Science.gov

Sample records for project iurep orientation

  1. Device Oriented Project Controller

    SciTech Connect

    Dalesio, Leo; Kraimer, Martin

    2013-11-20

    This proposal is directed at the issue of developing control systems for very large HEP projects. A de-facto standard in accelerator control is the Experimental Physics and Industrial Control System (EPICS), which has been applied successfully to many physics projects. EPICS is a channel based system that requires that each channel of each device be configured and controlled. In Phase I, the feasibility of a device oriented extension to the distributed channel database was demonstrated by prototyping a device aware version of an EPICS I/O controller that functions with the current version of the channel access communication protocol. Extensions have been made to the grammar to define the database. Only a multi-stage position controller with limit switches was developed in the demonstration, but the grammar should support a full range of functional record types. In phase II, a full set of record types will be developed to support all existing record types, a set of process control functions for closed loop control, and support for experimental beam line control. A tool to configure these records will be developed. A communication protocol will be developed or extensions will be made to Channel Access to support introspection of components of a device. Performance bench marks will be made on both communication protocol and the database. After these records and performance tests are under way, a second of the grammar will be undertaken.

  2. The Transatlantic Orientation Exchange Project

    ERIC Educational Resources Information Center

    Gisevius, Annette; Weber, Robin A.

    2009-01-01

    The Transatlantic Orientation Exchange/Multiplikatorenschulung im transatlan-tischen Austausch is a collaboration between volunteers and staff in both the US and German AFS organizations. The goal of the project is to increase the level of intercultural learning of German and US secondary education exchange participants and their host families.…

  3. Results Orientated Workplace Literacy Project.

    ERIC Educational Resources Information Center

    Farrell, Virginia, Comp.

    Cuyahoga Community College's (CCC) Unified Technologies Center (UTC) collaborated with three Cleveland area manufacturing companies in a workplace literacy project. The project provided job-related mathematics and communications programs for 302 employees who needed basic skills upgrading to improve their job performance. The project…

  4. Integrating GIS Education with Training: A Project-Oriented Approach.

    ERIC Educational Resources Information Center

    Chen, X. Mara

    1998-01-01

    Argues that hands-on, project-oriented teaching offers an ideal approach to integrating Geographical Information Systems (GIS) education and training. Presents a project-oriented GIS teaching experience as an instructional paradigm that can be used to ensure balance between conceptual GIS learning and software-based hands-on training in…

  5. A Project-Oriented Biochemistry Laboratory Course.

    ERIC Educational Resources Information Center

    Craig, Paul A.

    1999-01-01

    Describes a biochemistry laboratory course in which the curriculum revolves around a single theme: the purification, characterization, and molecular biology of threonine dehydrogenase (TDH) from Escherechia coli. Lists examples of related class research projects. Contains 41 references. (WRM)

  6. Project Communication in Functions, Process and Project-Oriented Industiral Companies

    NASA Astrophysics Data System (ADS)

    Samáková, Jana; Koltnerová, Kristína; Rybanský, Rudolf

    2012-12-01

    The article is focused on the project communication management. Industrial enterprises, which use project management must constantly search the new ways for improving. One of the possibilities is the change of management from a functional oriented to the projectoriented or process-oriented. Process-oriented and project-oriented companies have better project communication management during the all project life cycle. Communication in the project is a very important factor. According to the arguments of several authors, one of the biggest problem is that threaten the success of the project is just the communication. In each project is an important pillar - and that is communication. Only on the base of communication can the project move forward and achieve the target.

  7. A Contest-Oriented Project for Learning Intelligent Mobile Robots

    ERIC Educational Resources Information Center

    Huang, Hsin-Hsiung; Su, Juing-Huei; Lee, Chyi-Shyong

    2013-01-01

    A contest-oriented project for undergraduate students to learn implementation skills and theories related to intelligent mobile robots is presented in this paper. The project, related to Micromouse, Robotrace (Robotrace is the title of Taiwanese and Japanese robot races), and line-maze contests was developed by the embedded control system research…

  8. Earth Orientation Parameters Combination of Prediction Pilot Project

    NASA Astrophysics Data System (ADS)

    Shumate, N. A.; Luzum, B. J.; Kosek, W.

    2013-12-01

    The International Earth Rotation and Reference Systems Service (IERS) has been producing ensemble predictions of Earth Orientation Parameters (EOPs) on a daily basis as part of its Earth Orientation Parameters Combination of Prediction Pilot Project (EOPCPPP). By combining EOP predictions originating from a variety of different algorithms and initial conditions, the resulting ensemble predictions are expected to be more accurate and robust than any individual contribution. Since 2010, the Pilot Project has been collecting predictions of polar motion and UT1-UTC contributed by several organizations, and is currently combining seventeen different sets of EOP predictions on a daily basis with a simple arithmetic mean. This poster presents an analysis of the project comparing the EOPCPPP ensemble predictions and individual contributors' predictions as measured against the EOP 08 C04 series. Other informational diagnostics produced by the project to aid contributors and users will also be provided.

  9. Large project experiences with object-oriented methods and reuse

    NASA Technical Reports Server (NTRS)

    Wessale, William; Reifer, Donald J.; Weller, David

    1992-01-01

    The SSVTF (Space Station Verification and Training Facility) project is completing the Preliminary Design Review of a large software development using object-oriented methods and systematic reuse. An incremental developmental lifecycle was tailored to provide early feedback and guidance on methods and products, with repeated attention to reuse. Object oriented methods were formally taught and supported by realistic examples. Reuse was readily accepted and planned by the developers. Schedule and budget issues were handled by agreements and work sharing arranged by the developers.

  10. The TAME Project: Towards improvement-oriented software environments

    NASA Technical Reports Server (NTRS)

    Basili, Victor R.; Rombach, H. Dieter

    1988-01-01

    Experience from a dozen years of analyzing software engineering processes and products is summarized as a set of software engineering and measurement principles that argue for software engineering process models that integrate sound planning and analysis into the construction process. In the TAME (Tailoring A Measurement Environment) project at the University of Maryland, such an improvement-oriented software engineering process model was developed that uses the goal/question/metric paradigm to integrate the constructive and analytic aspects of software development. The model provides a mechanism for formalizing the characterization and planning tasks, controlling and improving projects based on quantitative analysis, learning in a deeper and more systematic way about the software process and product, and feeding the appropriate experience back into the current and future projects. The TAME system is an instantiation of the TAME software engineering process model as an ISEE (integrated software engineering environment). The first in a series of TAME system prototypes has been developed. An assessment of experience with this first limited prototype is presented including a reassessment of its initial architecture.

  11. Ideal-Oriented Policymaking: An Analysis of the 985 Project Policy Process

    ERIC Educational Resources Information Center

    Xuefei, Chen

    2011-01-01

    Generally, there are two types of Chinese public educational policymaking: problem oriented and ideal oriented. The 985 Project policy clearly exhibits the characteristics of the latter. Usually, the goals of ideal-oriented policymaking are long-term and overarching, so they can play a role in propagating, directing, and encouraging people to…

  12. Orientations to Professional Development Design and Implementation: Understanding Their Relationship to PD Outcomes across Multiple Projects

    ERIC Educational Resources Information Center

    Marra, Rose M.; Arbaugh, Fran; Lannin, John; Abell, Sandra; Ehlert, Mark; Smith, Rena; Merle-Johnson, Dominike; Rogers, Meredith Park

    2011-01-01

    Given the large investment in teacher professional development (PD), further understanding of the factors that impact PD success is needed. In a previous study, the authors established a framework for categorizing PD projects using the notion of orientations. A PD orientation is comprised of project characteristics that drive the PD design and…

  13. A modified mirror projection visual evoked potential stimulator for presenting patterns in different orientations.

    PubMed

    Taylor, P K; Wynn-Williams, G M

    1986-07-01

    Modifications to a standard mirror projection visual evoked potential stimulator are described to enable projection of patterns in varying orientations. The galvanometer-mirror assembly is mounted on an arm which can be rotated through 90 degrees. This enables patterns in any orientation to be deflected perpendicular to their axes. PMID:2424725

  14. Project Management, Critical Praxis, and Process-Oriented Approach to Teamwork

    ERIC Educational Resources Information Center

    Ding, Huiling; Ding, Xin

    2008-01-01

    To help alleviate issues of free-riding and conflicts in team projects, this study proposes the systematic incorporation of project management methods to introduce a process-oriented approach to and a critical praxis in team projects. We examined how the systematic use of project management methods influenced students' performance in team…

  15. An Exploratory Study of Risk Factors for Implementing Service-Oriented IS Projects

    NASA Astrophysics Data System (ADS)

    Chang, Hsin-Lu; Lue, Chia-Pei

    For IS project managers, how to implement the projects successfully is always a challenge. Further, as more and more enterprises start to develop service-oriented IS projects, it is essential to assess the sources and impacts of relevant risks. This research aimed at identifying risk factors related to service-oriented IS projects and analyzing the impact of these risk factors. Applying the SIMM (service integrated maturity model) proposed by IBM, customer service systems were selected to justify the research framework. Result showed that the risk factors influencing the adoption of service-oriented systems were insufficient technology planning, lack of expertise, ineffective project governance, and organizational misalignment, listed in the order of strength of influence. The findings of this research is expected to assist managers realize the risks and the importance of these risks that have to be noticed and controlled when making decisions on service-oriented systems adoption.

  16. Earth and sky orientation results from the NASA Crustal Dynamics Project.

    NASA Astrophysics Data System (ADS)

    Ma, C.; Himwich, W.; Caprette, D.

    1989-06-01

    Mark III VLBI data acquired since 1979 by the NASA Crustal Dynamics project and the NGS POLARIS/IRIS programs have been analyzed for Earth orientation parameters. The complete Earth orientation time series is designated ERP(GSFC)89 R 01.

  17. Earth and sky orientation results from the NASA Crustal Dynamics Project with site velocities adjusted.

    NASA Astrophysics Data System (ADS)

    Ma, C.; Himwich, W.; Caprette, D.

    1989-06-01

    Mark III VLBI data acquired since 1979 by the NASA Crustal Dynamics Project and the NGS POLARIS/IRIS programs have been analyzed for Earth orientation parameters. The complete Earth orientation time series is designated ERP(GSFC)89 R 02.

  18. A Semester-Long Project-Oriented Biochemistry Laboratory Based on "Helicobacter pylori" Urease

    ERIC Educational Resources Information Center

    Farnham, Kate R.; Dube, Danielle H.

    2015-01-01

    Here we present the development of a 13 week project-oriented biochemistry laboratory designed to introduce students to foundational biochemical techniques and then enable students to perform original research projects once they have mastered these techniques. In particular, we describe a semester-long laboratory that focuses on a biomedically…

  19. Hispanic Orientation to Life in America. Project HOLA, 1987-88. OREA Report.

    ERIC Educational Resources Information Center

    Berney, Tomi D.; Mohagdam, Val

    In its fifth year, the Hispanic Orientation to Life in America Project (Project HOLA) served 472 Spanish-speaking students of limited English proficiency. The aim of the program was to help students develop English language skills, enter mainstream classes, and understand Spanish and American culture. The program provided instruction in English as…

  20. The paradox of managing a project-oriented matrix: establishing coherence within chaos.

    PubMed

    Greiner, L E; Schein, V E

    1981-01-01

    Projects that require the flexible coordination of multidisciplinary teams have tended to adopt a matrix structure to accomplish complex tasks. Yet these project-oriented matrix structures themselves require careful coordination if they are to realize the objectives set for them. The authors identify the basic organizational questions that project-oriented matrix organizations must face. They examine the relationship between responsibility and authority; the tradeoffs between economic efficiency and the technical quality of the work produced; and the sensitive issues of managing individualistic, highly trained professionals while also maintaining group cohesiveness.

  1. The Trend toward Online Project-Oriented Capstone Courses

    ERIC Educational Resources Information Center

    Tappert, Charles C.; Stix, Allen

    2010-01-01

    At Pace University we have been using real-world student projects in capstone computing courses for about 10 years. While the courses were conducted in a traditional classroom environment during the early years, the current course has been essentially online for the last five years in order to reach a greater number of geographically scattered…

  2. Fishing Ecology: Unit F#5 Grade 7. Project COULD: Career Orientation Utilizing Language Development.

    ERIC Educational Resources Information Center

    Coos County Intermediate Education District, North Bend, OR.

    Project COULD (Career Orientation Utilizing Language Development) was developed as a means of building skills, knowledges, and attitudes on elementary children's previously acquired backgrounds. Children learn to speak the grammar and vocabulary characteristic of the language heard most frequently at home and in the immediate environment. A series…

  3. Harvesting Fish: Unit F#1 Grade 3. Project COULD: Career Orientation Utilizing Language Development.

    ERIC Educational Resources Information Center

    Coos County Intermediate Education District, North Bend, OR.

    Project COULD (Career Orientation Utilizing Language Development) was developed as a means of building skills, knowledges, and attitudes on elementary children's previously acquired backgrounds. Children learn to speak the grammar and vocabulary characteristic of the language heard most frequently at home and in the immediate environment. A series…

  4. Marketing Wood Products: Unit L#4 Grade 6. Project COULD: Career Orientation Utilizing Language Development.

    ERIC Educational Resources Information Center

    Coos County Intermediate Education District, North Bend, OR.

    Project COULD (Career Orientation Utilizing Language Development) was developed as a means of building skills, knowledges, and attitudes on elementary children's previously acquired backgrounds. Children learn to speak the grammar and vocabulary characteristic of the language heard most frequently at home and in the immediate environment. Each…

  5. Seafood Processing: Unit F#3 Grade 5. Project COULD: Career Orientation Utilizing Language Development.

    ERIC Educational Resources Information Center

    Coos County Intermediate Education District, North Bend, OR.

    Project COULD (Career Orientation Utilizing Language Development) was developed as a means of building skills, knowledges, and attitudes on elementary children's previously acquired backgrounds. Children learn to speak the grammar and vocabulary characteristic of the language heard most frequently at home and in the immediate environment. A series…

  6. Harvesting Shellfish: Unit F#2 Grade 4. Project COULD: Career Orientation Utilizing Language Development.

    ERIC Educational Resources Information Center

    Coos County Intermediate Education District, North Bend, OR.

    Project COULD (Career Orientation Utilizing Language Development) was developed as a means of building skills, knowledges, and attitudes on elementary children's previously acquired backgrounds. Children begin to speak the grammar and vocabulary characteristic of the language heard most frequently at home and in the immediate environment. A series…

  7. Study Visit and Seminar: Work-Oriented Adult Literacy Pilot Project in Iran. Final Report.

    ERIC Educational Resources Information Center

    United Nations Educational, Scientific, and Cultural Organization, Bangkok (Thailand).

    The Work-Oriented Literacy Pilot Project in Iran is based on the hypothesis that illiteracy on the part of workers hinders the growth of productivity and must therefore be considered as a factor retarding development. The study visit and seminar was intended to enable the participants to gain insight into the potentialities revealed by work…

  8. Goal Orientations and Metacognitive Skills of Normal Technical and Normal Academic Students on Project Work

    ERIC Educational Resources Information Center

    Ee, J.; Wang, C.; Koh, C.; Tan, O.; Liu, W.

    2009-01-01

    In 2000, the Singapore Ministry of Education launched Project Work (PW) to encourage the application of knowledge across disciplines, and to develop thinking, communication, collaboration and metacognitive skills. This preliminary findings of a large scale study examines the role of goal orientations (achievement goals and social goals) in…

  9. Enhancing Project-Oriented Learning by Joining Communities of Practice and Opening Spaces for Relatedness

    ERIC Educational Resources Information Center

    Pascual, R.

    2010-01-01

    This article describes an extension to project-oriented learning to increase social construction of knowledge and learning. The focus is on: (a) maximising opportunities for students to share their knowledge with practitioners by joining communities of practice, and (b) increasing their intrinsic motivation by creating conditions for student's…

  10. Teaching Protein Purification and Characterization Techniques: A Student-Initiated, Project-Oriented Biochemistry Laboratory Course

    ERIC Educational Resources Information Center

    MacDonald, Gina

    2008-01-01

    This report describes a biochemistry laboratory that is completely project-oriented. Upper-level biology and chemistry majors work in teams to purify a protein of their choice. After the student groups have completed literature searches, ordered reagents, and made buffers they continue to learn basic protein purification and biochemical techniques…

  11. An innovative program to fund health-oriented student projects and research.

    PubMed

    Bybee, Ronald F; Thompson, Sharon E

    2004-01-01

    The price of a university education has increased over the years. As a result, students often graduate with thousands of dollars of debt. Conducting research or developing class projects that require personal expenditures can be overwhelming, if not impossible. Participation in research and in developing projects can enhance a student's educational experience. In an effort to address cost issues and provide an optimal learning experience for all students through participation in projects and research, the College of Health Sciences at the University of Texas at El Paso (UTEP) collaborated with a regional foundation to fund health-oriented students' projects and research. Approximately 100 projects have been funded in amounts from 200 dollars to 10,000 dollars at UTEP. Similar programs can be replicated at other US universities. Establishing a general fund and identifying contributors may be a viable option, although finding a foundation or agency to fund the project poses a challenge. PMID:15495885

  12. Supporting New Teachers in a Growing Learning Community: The New Educator Orientation Project at Leland Middle School.

    ERIC Educational Resources Information Center

    Hoffman, Nancy

    This paper describes the New Educator Orientation Project at Leland Middle School, North Carolina. Created by a collaboration between school faculty and faculty from the University of North Carolina at Wilmington, this inquiry project was intended to develop an interactive orientation manual and accompanying CD-ROM for new faculty joining the…

  13. Enhancing project-oriented learning by joining communities of practice and opening spaces for relatedness

    NASA Astrophysics Data System (ADS)

    Pascual, R.

    2010-03-01

    This article describes an extension to project-oriented learning to increase social construction of knowledge and learning. The focus is on: (a) maximising opportunities for students to share their knowledge with practitioners by joining communities of practice, and (b) increasing their intrinsic motivation by creating conditions for student's relatedness. The case study considers a last year capstone course in Mechanical Engineering. The work addresses innovative practices of active learning and beyond project-oriented learning through: (a) the development of a web-based decision support system, (b) meetings between the communities of students, maintenance engineers and academics, and (c) new off-campus group instances. The author hypothesises that this multi-modal approach increases deep learning and social impact of the educational process. Surveys to the actors support a successful achievement of the educational goals. The methodology can easily be extended to further improve the learning process.

  14. A semester-long project-oriented biochemistry laboratory based on Helicobacter pylori urease.

    PubMed

    Farnham, Kate R; Dube, Danielle H

    2015-01-01

    Here we present the development of a 13 week project-oriented biochemistry laboratory designed to introduce students to foundational biochemical techniques and then enable students to perform original research projects once they have mastered these techniques. In particular, we describe a semester-long laboratory that focuses on a biomedically relevant enzyme--Helicobacter pylori (Hp) urease--the activity of which is absolutely required for the gastric pathogen Hp to colonize the human stomach. Over the course of the semester, students undertake a biochemical purification of Hp urease, assess the success of their purification, and investigate the activity of their purified enzyme. In the final weeks of the semester, students design and implement their own experiments to study Hp urease. This laboratory provides students with an understanding of the importance of biochemistry in human health while empowering them to engage in an active area of research.

  15. Discovering Constructivism: How a Project-Oriented Activity-Based Media Production Course Effectively Employed Constructivist Teaching Principles

    ERIC Educational Resources Information Center

    Hubbard, Glenn T.

    2012-01-01

    Author uses his experience leading a project-oriented special-topics course as a case study in constructivist teaching methods. Citing relevant literature from the education field, this paper considers why students chosen to work for course credit on a promotional video for a university program considered the project their greatest academic…

  16. Exploring Teacher Professional Learning for Future-Oriented Schooling: Working Paper 1 from the Back to the Future Project

    ERIC Educational Resources Information Center

    Gilbert, Jane; Bull, Ally

    2014-01-01

    This working paper sets out some of the early findings from a pilot project to explore the qualities that future-oriented teachers might need and how those qualities might be developed. The work began under a New Zealand Council for Educational Research (NZCER) project called Back to the Future and is now part of a Teaching & Learning Research…

  17. Learning on Their Own: Vocationally Oriented Self-Directed Learning Projects. [and] Invited Reaction: Learning on Their Own.

    ERIC Educational Resources Information Center

    Clardy, Alan; Willis, Verna J.

    2000-01-01

    In Clardy's study, 56 employees described 109 vocationally oriented self-directed learning projects undertaken. Projects were categorized as induced (spurred by imbalance between job expectations and capability), voluntary (fueled by personal motivation), or synergistic (combined motivation with the spark of workplace circumstances). Willis'…

  18. Horizontal principal stress orientation in the Costa Rica Seismogenesis Project (CRISP) transect from borehole breakouts

    NASA Astrophysics Data System (ADS)

    Malinverno, A.; Saito, S.; Vannucchi, P.

    2016-01-01

    The Costa Rica Seismogenesis Project (CRISP) drilled the Pacific margin of the Middle America Trench just north of where the Cocos Ridge enters the subduction zone, resulting in basal erosion of the upper plate. Here we report the orientations of the maximum horizontal principal stress (SHmax) from borehole breakouts detected by logging-while-drilling and wireline downhole measurements. All SHmax directions were estimated in the sediment cover of the margin, above the deeper rocks of the deformed margin wedge. We observe three overall SHmax orientations: NNE-SSW (25° azimuth) in the deepest interval drilled at the upper slope Site U1379; ENE-WSW (82°) in the rest of Site U1379 and in Site U1413, also drilled in the upper slope; and NNW-SSE (157°) in the mid-slope Site U1378. Our preferred interpretation is that the deepest interval of Site U1379 records the stress conditions in the underlying margin wedge, as SHmax is parallel to the direction of the Cocos-Caribbean plate convergence and of the compressional axes of plate boundary fault earthquakes. The variable SHmax directions observed elsewhere are likely due to the effect of a network of normal faults that subdivide the sediment cover into a number of independently deforming blocks. In addition, the observed SHmax directions may be influenced by the subducting Cocos Ridge, which acts as an indenter causing oblique deformation, and by the transition to seismogenic subduction along the plate boundary fault.

  19. Role orientation and community pharmacists' participation in a project to improve patient care.

    PubMed

    Pendergast, J F; Kimberlin, C L; Berardo, D H; McKenzie, L C

    1995-02-01

    Community pharmacists are being assigned increased responsibility in assuring the appropriateness and effectiveness of drug therapy. This increased responsibility is reflected in recently passed legislation (OBRA '90) in the United States that requires pharmacists to counsel patients about prescriptions received and to engage in prospective drug use review for Medicaid recipients. The potential impact of this legislation is unclear due to a dearth of research evaluating the effects of community pharmacists' activities on medication use. In addition, there is little research on pharmacists' willingness to assume increased responsibility. Research that would demonstrate the effectiveness of community pharmacists in improving therapeutic outcomes is hampered by problems inherent in conducting experimentally designed research in field settings. This paper examines two issues of concern in such studies--namely, the extent to which those who agree to participate in a demonstration project differ from those who decline to participate and the extent to which differential dropout from treatment and control conditions compromise the comparability of the two groups. Specifically, this report examines pharmacist characteristics related to participation in a demonstration project to improve the care of elderly patients. Community pharmacists in Florida who had earlier been asked to participate in a demonstration project (N = 418) were sent mail questionnaires to assess their attitudinal, demographic and employment characteristics. In particular, researchers were interested in the role orientation of pharmacists in regard to patient counseling and physician consultation, satisfaction with current jobs and career choices, employment settings and treatment vs control group assignment as predictors of participation in the research project. Demographic characteristics were also examined as possible predictors of participation.(ABSTRACT TRUNCATED AT 250 WORDS)

  20. The Effect of a Graph-Oriented Computer-Assisted Project-Based Learning Environment on Argumentation Skills

    ERIC Educational Resources Information Center

    Hsu, P. -S.; Van Dyke, M.; Chen, Y.; Smith, T. J.

    2015-01-01

    The purpose of this quasi-experimental study was to explore how seventh graders in a suburban school in the United States developed argumentation skills and science knowledge in a project-based learning environment that incorporated a graph-oriented, computer-assisted application. A total of 54 students (three classes) comprised this treatment…

  1. Analysis of the project synthesis goal cluster orientation and inquiry emphasis of elementary science textbooks

    NASA Astrophysics Data System (ADS)

    Staver, John R.; Bay, Mary

    The purpose of this descriptive study was to examine selected units of commonly used elementary science texts, using the Project Synthesis goal clusters as a framework for part of the examination. An inquiry classification scheme was used for the remaining segment. Four questions were answered: (1) To what extent do elementary science textbooks focus on each Project Synthesis goal cluster? (2) In which part of the text is such information found? (3) To what extent are the activities and experiments merely verifications of information already introduced in the text? (4) If inquiry is present in an activity, then what is the level of such inquiry?Eleven science textbook series, which comprise approximately 90 percent of the national market, were selected for analysis. Two units, one primary (K-3) and one intermediate (4-6), were selected for analysis by first identifying units common to most series, then randomly selecting one primary and one intermediate unit for analysis.Each randomly selected unit was carefully read, using the sentence as the unit of analysis. Each declarative and interrogative sentence in the body of the text was classified as: (1) academic; (2) personal; (3) career; or (4) societal in its focus. Each illustration, except those used in evaluation items, was similarly classified. Each activity/experiment and each miscellaneous sentence in end-of-chapter segments labelled review, summary, evaluation, etc., were similarly classified. Finally, each activity/experiment, as a whole, was categorized according to a four-category inquiry scheme (confirmation, structured inquiry, guided inquiry, open inquiry).In general, results of the analysis are: (1) most text prose focuses on academic science; (2) most remaining text prose focuses on the personal goal cluster; (3) the career and societal goal clusters receive only minor attention; (4) text illustrations exhibit a pattern similar to text prose; (5) text activities/experiments are academic in orientation

  2. Aberrant retinal projections to midbrain targets mediate spared visual orienting function in hamsters with neonatal lesions of superior colliculus.

    PubMed

    Carman, L S; Schneider, G E

    1992-01-01

    Rodents, cats, and most nonmammalian vertebrates with bilateral tectal deafferentation or ablation in adulthood are extremely deficient at orienting to visual stimuli; yet animals with neonatal lesions of superficial layers of the superior colliculus (SC) show partial sparing of this response, particularly for targets in the central visual field. In this study, we sought to determine whether these spared orienting abilities are mediated by aberrant retinal projections to the remaining intermediate layers of the SC, or whether visual cortex (VC) mechanisms or alternative behavioral strategies are responsible. Neonatal golden hamsters received either bilateral heat lesions of the SC (rlSC), or a heat lesion of the right SC and enucleation of the right eye (rSCrE). This latter procedure causes axons from the left eye to recross the tectal midline and terminate in the "wrong" (left) SC (Schneider 1973). As adults, both groups of hamsters were extremely deficient in visually guided approach to stationary targets, although rlSC-lesioned hamsters showed some sparing for central field targets and rSCrE-lesioned hamsters often made wrong-direction turns for targets in the left peripheral field. We then subjected both groups of neonatally lesioned hamsters to bilateral aspiration lesions of the VC. Retesting showed no change in visual orienting behavior as a result of the cortical lesions. Labeling of the optic tract with horseradish peroxidase (HRP) revealed abundant aberrant retinal projections to remaining intermediate layers of the SC and thalamic nucleus lateralis posterior (LP), as well as supernormal innervation of pretectal nuclei, the dorsal terminal nucleus of the accessory optic tract, and the ventral nucleus of the lateral geniculate body (LGv). We conclude that the spared visual orienting capabilities of hamsters with rlSC and rSCrE lesions are mediated by the aberrant midbrain projections, and that cortical mechanisms are not involved in spared visual orienting

  3. Planning and Managing Task and Time in Performance Oriented Management. Project Kansas 76: Concept Paper.

    ERIC Educational Resources Information Center

    Holloway, William H.

    A prevailing concern of leadership development is the extent to which performance-oriented training increases the ability of an individual to define and implement a process to accomplish stated objectives. The systems approach provides an analytic strategy for task decomposition into sequentially, temporally ordered activities without necessarily…

  4. Cultural Orientation for Vietnamese Montagnard Refugees: A Special Project of IOM Cambodia.

    ERIC Educational Resources Information Center

    Timko, Leslie

    In 2002, the International Organization for Migration provided pre-arrival cultural orientation training to 905 Vietnamese Montagnard refugees living in a transit processing facility on the outskirts of Phnom Penh. The training was specifically designed to prepare the refugees for third country resettlement to the United States. It provided tools…

  5. Nonevent stress contributes to mental health disparities based on sexual orientation: evidence from a personal projects analysis.

    PubMed

    Frost, David M; LeBlanc, Allen J

    2014-09-01

    This study examined the role of nonevent stress--in the form of frustrated personal project pursuits in the arenas of relationships and work--as a contributing factor to mental health disparities between heterosexual and lesbian, gay, and bisexual (LGB) populations. A purposive sample of 431 LGB (55%) and heterosexually identified (45%) individuals living in the United States and Canada completed the Personal Project Inventory by describing and rating core personal projects they were pursuing. The intensity of perceived barriers to the achievement of relationship- and work-related personal projects served as indicators nonevent stress. Hierarchical linear regression models tested the hypothesis that nonevent stress contributes to the association between sexual orientation and two indicators of mental health: depressive symptoms and psychological well-being. LGB individuals had significantly more depressive symptoms and lower levels of psychological well-being than heterosexuals. Indicators of nonevent stress were significantly associated with mental health outcomes and their inclusion in models attenuated sexual orientation differences in mental health. The critical indirect pathway leading from sexual minority status to mental health occurred via barriers to relationship projects from interpersonal sources. This research suggests that nonevent stress because of structural and interpersonal stigma may contribute to mental health disparities between LGB and heterosexual individuals. The findings have important implications for policy reform around same-sex relationship recognition and workplace discrimination. Future research and clinical work will benefit by expanding existing foci on stress to include nonevent stressors to better understand and address mental health problems, particularly in LGB populations. PMID:25265219

  6. Jet engine nozzle exit configurations, including projections oriented relative to pylons, and associated systems and methods

    NASA Technical Reports Server (NTRS)

    Mengle, Vinod G. (Inventor); Thomas, Russell H. (Inventor)

    2012-01-01

    Nozzle exit configurations and associated systems and methods are disclosed. An aircraft system in accordance with one embodiment includes a jet engine exhaust nozzle having an internal flow surface and an exit aperture, with the exit aperture having a perimeter that includes multiple projections extending in an aft direction. Aft portions of individual neighboring projections are spaced apart from each other by a gap, and a geometric feature of the multiple can change in a monotonic manner along at least a portion of the perimeter. Projections near a support pylon and/or associated heat shield can have particular configurations, including greater flow immersion than other projections.

  7. Evaluation of a Local Improvement-Oriented Project for Citizenship Education.

    ERIC Educational Resources Information Center

    Hepburn, Mary A.; Napier, John D.

    1984-01-01

    This study evaluates an Elementary and Secondary Education Act Title IV educational improvement project, conducted in elementary and secondary schools, concerning the political system and citizenship. The project model, focusing on teachers as change agents receiving support channeled from other parts of the system, was found effective at both…

  8. Orientations for the Teaching of Writing: A Legacy of the National Writing Project

    ERIC Educational Resources Information Center

    Whitney, Anne Elrod; Friedrich, Linda

    2013-01-01

    Background/Context: Founded in 1974 by James Gray and a group of teacher colleagues who came together as the Bay Area Writing Project in California, the National Writing Project is a professional development network that has spread from one site to 197 university-based sites across the U.S. After such a long period of time in operation, it becomes…

  9. An NAFP Project: Use of Object Oriented Methodologies and Design Patterns to Refactor Software Design

    NASA Technical Reports Server (NTRS)

    Shaykhian, Gholam Ali; Baggs, Rhoda

    2007-01-01

    In the early problem-solution era of software programming, functional decompositions were mainly used to design and implement software solutions. In functional decompositions, functions and data are introduced as two separate entities during the design phase, and are followed as such in the implementation phase. Functional decompositions make use of refactoring through optimizing the algorithms, grouping similar functionalities into common reusable functions, and using abstract representations of data where possible; all these are done during the implementation phase. This paper advocates the usage of object-oriented methodologies and design patterns as the centerpieces of refactoring software solutions. Refactoring software is a method of changing software design while explicitly preserving its external functionalities. The combined usage of object-oriented methodologies and design patterns to refactor should also benefit the overall software life cycle cost with improved software.

  10. A tilt-pair based method for assigning the projection directions of randomly oriented single-particle molecules.

    PubMed

    Ueno, Yutaka; Mine, Shouhei; Kawasaki, Kazunori

    2015-04-01

    In this article, we describe an improved method to assign the projection angle for averaged images using tilt-pair images for three-dimensional reconstructions from randomly oriented single-particle molecular images. Our study addressed the so-called 'initial volume problem' in the single-particle reconstruction, which involves estimation of projection angles of the particle images. The projected images of the particles in different tilt observations were mixed and averaged for the characteristic views. After the ranking of these group average images in terms of reliable tilt angle information, mutual tilt angles between images are assigned from the constituent tilt-pair information. Then, multiples of the conical tilt series are made and merged to construct a network graph of the particle images in terms of projection angles, which are optimized for the three-dimensional reconstruction. We developed the method with images of a synthetic object and applied it to a single-particle image data set of the purified deacetylase from archaea. With the introduction of low-angle tilt observations to minimize unfavorable imaging conditions due to tilting, the results demonstrated reasonable reconstruction models without imposing symmetry to the structure. This method also guides its users to discriminate particle images of different conformational state of the molecule.

  11. MLeXAI: A Project-Based Application-Oriented Model

    ERIC Educational Resources Information Center

    Russell, Ingrid; Markov, Zdravko; Neller, Todd; Coleman, Susan

    2010-01-01

    Our approach to teaching introductory artificial intelligence (AI) unifies its diverse core topics through a theme of machine learning, and emphasizes how AI relates more broadly with computer science. Our work, funded by a grant from the National Science Foundation, involves the development, implementation, and testing of a suite of projects that…

  12. Analysis of the Project Synthesis Goal Cluster Orientation and Inquiry Emphasis of Elementary Science Textbooks.

    ERIC Educational Resources Information Center

    Staver, John R.; Bay, Mary

    1987-01-01

    Reports on a study designed to examine selected units of commonly used elementary science texts, using the Project Synthesis goal clusters as a framework for part of the examination. The discussion of the finding focuses on the comparison of the results to recommendations of the National Science Teachers Association (NSTA). (TW)

  13. Visualization Strategies for Team-Oriented Problem Solving, Analysis, and Project Planning.

    ERIC Educational Resources Information Center

    Lewis, Paul

    1998-01-01

    Describes visualization methods used to design projects intended to improve the quality of life in developing countries, but which are also applicable to group problem-solving situations. Details main stages of a case study. Demonstrates that the techniques improve the efficiency and effectiveness of the problem-solving process and the quality of…

  14. Preparing Community-Oriented Teachers: Reflections from a Multicultural Service-Learning Project

    ERIC Educational Resources Information Center

    Boyle-Baise, Marilynne

    2005-01-01

    The Banneker History Project (BHP) reconstructed the history of a local, segregated school. The Benjamin Banneker School served African American youth from 1915 to 1951. Oral histories from surviving alumni as well as primary documents from the times were sought. This article focuses on ways that one group of participants, 24 preservice teachers…

  15. Bilingual Academic Computer and Technology Oriented Program: Project COM-TECH. Evaluation Section Report. OREA Report.

    ERIC Educational Resources Information Center

    Berney, Tomi D.; Plotkin, Donna

    Project COM-TECH offered bilingual individualized instruction, using an enrichment approach, to Spanish- and Haitian Creole-speaking students with varying levels of English and native language proficiency and academic preparation. The program provided supplementary instruction in English as a Second Language (ESL); Native Language Arts (NLA); and…

  16. Project ADAPT: Report Number 1: Description and Review of the MIT Orientation Program: [And Appendix].

    ERIC Educational Resources Information Center

    Massachusetts Inst. of Tech., Cambridge. Dept. of Urban Studies and Planning.

    The report of Project ADAPT (Aerospace and Defense Adaptation to Public Technology), describes the design, execution, and forthcoming evaluation of the program. The program's objective was to demonstrate the feasibility of redeploying surplus technical manpower into public service at State and local levels of government. The development of the…

  17. Pretesting Orientation for the Disadvantaged: Experience in Manpower Experimental and Demonstration (E & D) Projects.

    ERIC Educational Resources Information Center

    Seiler, Joseph

    The restricted experience of disadvantaged persons in taking employment related tests leaves them without test-taking skills. United States Department of Labor manpower experimental and demonstration manpower projects have found several approaches of use in the pretesting preparation of out of school and out of work youth and adults: special…

  18. Project Citizen: Promoting Action-Oriented Citizen Science in the Classroom

    ERIC Educational Resources Information Center

    Green, Carie; Medina-Jerez, William

    2012-01-01

    In recent years, citizen science projects have emerged as a means to involve students in scientific inquiry, particularly in the fields of ecology and environmental science. A citizen scientist is "a volunteer who collects and/or processes data as part of a scientific inquiry" (Silverton 2009, p. 467). Participation in citizen science fosters an…

  19. Utilizing Isolation, Purification, and Characterization of Enzymes as Project-Oriented Labs for Undergraduate Biochemistry

    NASA Astrophysics Data System (ADS)

    Deal, S. Todd; Hurst, Michael O.

    1997-02-01

    Senior-level biochemistry labs are mostly verification-type laboratories with little chance for exploration. We have developed a project-based biochemistry laboratory which gives them a chance to carry out a major biochemistry project. In the first quarter it is based on the purification of the enzyme lysozyme. The students are given some basic information, and then work out the details of their own procedures, make up their own solutions, and work at their own pace. Students use centrifugation, ion-exchange chromatography, spectral enzyme assays, and SDS-gel electrophoresis to purify and characterize the protein. In the second quarter students are given acid phosphatase and the basic assay for the enzyme, and then develop and carry out a method for determining the kinetic parameters of the enzyme. These experiments continue the development of laboratory independence of the students which steadily progresses in most curriculum

  20. Incorporation of the KERN ECDS-PC software into a project oriented software environment

    SciTech Connect

    Oren, W.; Pushor, R.; Ruland, R.

    1986-11-01

    The Stanford Linear Accelerator Center (SLAC) is in the process of building a new particle collider, the Stanford Linear Collider (SLC). The tunnel which houses the SLC is about 3 km long and contains approximately 1000 magnets. Besides a very precise absolute positioning of these magnets, the alignment of adjacent magnet ends is of particular importance to the success of the whole project. Because of this and the limited time frame, a survey method which was not only reliable and self-checking but also fast had to be developed. Therefore, the concept of MAS (Magnet Alignment System) was developed. This system utilizes the on-line data collection and the rigorous least-squares bundle adjustment of the KERN ECDS-PC system to fulfill these requirements. The ECDS software is embedded in a project tailored software system with modules which take care of: fixture and magnet calibration corrections, the calculation of ideal coordinates and their comparison to measured coordinates, the translation of detected misalignments into the coordinate system of the mechanical adjustments and the control of the adjustments with on-line electronic dial-gauges. This paper gives a brief introduction to the SLC project and some of the survey problems which are unique to this machine. The basic ideas of the KERN ECDS-PC system are explained and a discussion of the practical aspects, such as targeting and set-ups, are given. MAS and its modules are explained in detail.

  1. Developing a project-oriented introduction to neuroscience lab at hope college.

    PubMed

    Chase, Leah A; Barney, Christopher C

    2009-01-01

    The Introduction to Neuroscience course at Hope College includes a three-hour laboratory period each week. Seven of the fifteen weeks of the lab are used for a lab project that is focused on understanding the effects of gonadal hormones on brain and behavior. Students perform ovariectomies and implant sham, estradiol, or testosterone capsules in rats and then carry out five experiments: 1) Sexual Behavior, 2) Spatial Learning using the Morris Water Maze, 3) The Size of the Sexually Dimorphic Nucleus, 4) Phosphorylation of NMDA Receptors, and 5) Long Term Potentiation in Hippocampal Slices. The experiments are designed to provide the students with experiences at different levels of neuroscience, while improving their skills in statistics, using the primary literature, and scientific writing. The students generate interesting and statistically significant data which they summarize in a journal style lab reports. Using a Self Assessment of Learning Gains tool, we learned that students perceive the lab project improves their ability to A) pose questions from more than one disciplinary perspective that can be addressed by collecting and evaluating scientific evidence, B) learn about complex science problems that require insight from more than one discipline, C) extract main points from a scientific article and develop a coherent summary, and D) write reports using scientific data as evidence. Based on our results, we believe an extended lab project in an introductory neuroscience course can be used to engage students in neuroscience topics and help them develop the skills and habits of neuroscientists.

  2. Urban ninth-grade girls interactions with and outcomes from a design-oriented physics project

    NASA Astrophysics Data System (ADS)

    Higginbotham, Thomas Eric Miksad

    Past literature has documented a shrinking but persistent gap in physics and engineering for females, both in school and in the workforce. A commonly recommended strategy to invite girls into science at the school level is to have students work on design-projects in groups, which has been shown to increase all students' learning outcomes and attitudes towards science. Students (n=28) in a ninth-grade inner-city physics class participated in such a project, in which they built remotely operated underwater vehicles (ROV's) over the course of one month. Students (n=23) in a comparison classroom learned the same content using the Active Physics curriculum during the same time frame. Mixed methods were used to study the ROV classroom. Students in both classes were given pre- and post-physics content tests. Qualitative data collected during the project included field notes, video, and teacher interviews. Macro-level data analysis was done, which informed further micro-analysis. Macro-analysis revealed significantly higher learning outcomes for the ROV class than for the non-ROV class. Within the ROV class, girls, and in particular, girls in female-majority groups had increased learning outcomes and high levels of interest and engagement with the project, while girls in mixed-sex and male-majority groups did not. Qualitative macro-analysis revealed that in all of the female-majority groups, females took leadership roles within the groups, while in all of the non female-majority groups, males took leadership roles. The only groups in which girls completely disengaged from the project were mixed-sex or male majority groups. Case studies and cross case analysis suggested that girls foregrounded group process over product, and used the level of group unity as a metric of the groups' success. Groups led by girls were more cooperative and exhibited distributed leadership and participation. These findings were interpreted through lenses of expectation states theory and social

  3. Stress magnitude and orientation in deep coalbed biosphere off Shimokita ~IODP Expedition337 drilling project

    NASA Astrophysics Data System (ADS)

    Wu, H. Y.; Lin, W.; Yamada, Y.

    2015-12-01

    One of IODP expedition (Borehole C0020A) is located in the forearc basin formed by the subducting between Pacific plate and Eurasian plate off Shimokita Peninsula. This ~2.5km deep scientific drilling collected the high-resolution wire-line resistivity logging, caliper data, Dipole Sonic waveforms; geophysical properties measurements and core samples. The riser drilling operations produced one good conditions borehole even this drilling operation was applied right after 311 Tohoku earthquake. Based on the high-resolutions Formation Micro Imager (FMI) images, both breakout and tensile fractures along the borehole wall indicating the in-situ stress orientation are detected in the unwrapped resistivity images. In this research, a reasonable geomechanical model based on the breakout width and physical properties is constructed to estimate the stress magnitude profile in this borehole. Besides, the openhole leak-off test revealed the information of Shmin magnitude. In general, stress direction along the borehole is slight rotated to east with drilling to the bottom of the borehole. Geomechanical model constarined the principal stresses in Strike-slip stress regime to satisfy the occurrences of borehole enlargements and tensile fractures. Some blank zones with no borehole wall failure and vertical fractures indicated the stress anomaly might be controlled by local lithological facies. Comparing to the JFAST drilling, this site is out of Japan trench slip zone and shows almost parallel stress direcion to the trench (~90 degree apart of Shmin with Site C0019).

  4. Real-world educational experience through project-oriented graduate classes in collaboration with industry

    NASA Astrophysics Data System (ADS)

    Zurbuchen, Thomas H.

    2007-04-01

    There is a need for a motivated and innovative work force for the U.S. aerospace industry. The education of such engineers and scientists typically revolves around a fundamental knowledge of basic important technologies, such as the mechanics relevant to orbit-design, structures, avionics, and many others. A few years ago, the University of Michigan developed a Masters of Engineering program that provides students with skills that are not taught as part of a typical engineering curriculum. This program is focused on open problem solving, space systems, and space policy, as well as other classes that further their understanding of the connections between technologies and the nontechnical aspects of managing a space mission. The value of such an education is substantially increased through a direct connection to industry. An innovative problem-oriented approach has been developed that enables direct connections between industry and classroom teaching. The class works as a system study group and addresses problems of interest to and defined by a company with a specific application. We discuss such an application, a near-space lidar wind measurement system to enhance weather predictions, as well as the approach taken to link educational rationales.

  5. Industrial Orientation.

    ERIC Educational Resources Information Center

    Rasor, Leslie; Brooks, Valerie

    These eight modules for an industrial orientation class were developed by a project to design an interdisciplinary program of basic skills training for disadvantaged students in a Construction Technology Program (see Note). The Drafting module overviews drafting career opportunities, job markets, salaries, educational requirements, and basic…

  6. Client-oriented services. JICA Reproductive Health Project. Yen Thanh district.

    PubMed

    Nguyen Nhu Linh

    1999-01-01

    This article reports on the People's Committee of Yen Thanh District and their efforts toward the modernization of agriculture. The Committee's course of action included 1) an introduction of hybrid seeds that yield a higher quantity and quality of crops; 2) a selection and cultivation of such crops that are the most suitable to the local climate; 3) an adjustment of sewing and harvesting, taking into consideration the change in the climate; and 4) the use of modern machines, equipment and tools. Many significant changes have been taking place ever since; namely, farmers have been raising three crops a year in many parts of the district, where several years ago they could raise only two crops a year. In addition, the per capita yield of crops increased. For example, the per capita yield of rice rose 600 kg in 1999, up 50% from the level of 1994. Meanwhile, the Committee has also paid more attention to the provision of adequate health care for women. In this respect, the Japan International Cooperation Agency (JICA) Reproductive Health Project has helped the Committee achieve its goal. JICA has been integrating the national and district programs to effectively upgrade the reproductive health services of the Commune Health Center and District Health Center. PMID:12322472

  7. A research project to develop and evaluate a technical education component on materials technology for orientation to space-age technology

    NASA Technical Reports Server (NTRS)

    Jacobs, J. A.

    1976-01-01

    A project was initiated to develop, implement, and evaluate a prototype component for self-pacing, individualized instruction on basic materials science. Results of this project indicate that systematically developed, self-paced instruction provides an effective means for orienting nontraditional college students and secondary students, especially minorities, to both engineering technology and basic materials science. In addition, students using such a system gain greater chances for mastering subject matter than with conventional modes of instruction.

  8. Birth order, sibling sex ratio, handedness, and sexual orientation of male and female participants in a BBC internet research project.

    PubMed

    Blanchard, Ray; Lippa, Richard A

    2007-04-01

    This study investigated the relations among sexual orientation, fraternal birth order (number of older brothers), and hand-preference. The participants were 87,798 men and 71,981 women who took part in a Web-based research project sponsored by the British Broadcasting Corporation (BBC). The results yielded some evidence confirming prior findings that non-right-handedness is associated with homosexuality in men and women, that older brothers increase the odds of homosexuality in men, and that the effect of older brothers on sexual orientation is limited to right-handed men. The evidence was weaker than in previous studies, however, probably because the usual relations among the variables of interest were partially obscured by the effects of other factors. Thus, the homosexual men and women had higher rates of non-right-handedness than their heterosexual counterparts, but the strongest handedness finding for both sexes was a marked tendency for participants who described themselves as ambidextrous also to describe themselves as bisexual. The birth order data were strongly affected by a tendency for the male participants to report an excess of older sisters, and the female participants to report an excess of older brothers. Statistical analyses confirmed that this was an artifact of the parental stopping rule, "Continue having children until you have offspring of both sexes." In subsequent analyses, participants were divided into those who did and did not have younger siblings, on the grounds that the data of the former would be less contaminated by the stopping rule. In the former subsample, the right-handed homo/bisexual males showed the typical high ratio of older brothers to older sisters, whereas the non-right-handed homo/bisexual males did not.

  9. The Value Orientation Test: An Exploration of the Culture of Poverty Thesis Using a New Projective Instrument. Center Research and Development Report No. 15.

    ERIC Educational Resources Information Center

    Kelley, Marjorie G.

    The need for a new projective instrument for use with low-income, disadvantaged populations is postulated in this study, and the development of such an instrument, the Value Orientation Test (VOT), is undertaken. With a theoretical foundation drawn from the "culture of poverty" school of thought, the test is related to the implicit hypotheses of…

  10. Stress orientations of Taiwan Chelungpu-Fault Drilling Project (TCDP) hole-A as observed from geophysical logs

    USGS Publications Warehouse

    Wu, H.-Y.; Ma, K.-F.; Zoback, M.; Boness, N.; Ito, H.; Hung, J.-H.; Hickman, S.

    2007-01-01

    The Taiwan Chelungpu-fault Drilling Project (TCDP) drilled a 2-km-deep research borehole to investigate the structure and mechanics of the Chelungpu Fault that ruptured in the 1999 Mw 7.6 Chi-Chi earthquake. Geophysical logs of the TCDP were carried out over depths of 500-1900 in, including Dipole Sonic Imager (DSI) logs and Formation Micro Imager (FMI) logs in order to identify bedding planes, fractures and shear zones. From the continuous core obtained from the borehole, a shear zone at a depth of 1110 meters is interpreted to be the Chelungpu fault, located within the Chinshui Shale, which extends from 1013 to 1300 meters depth. Stress-induced borehole breakouts were observed over nearly the entire length of the wellbore. These data show an overall stress direction (???N115??E) that is essentially parallel to the regional stress field and parallel to the convergence direction of the Philippine Sea plate with respect to the Eurasian plate. Variability in the average stress direction is seen at various depths. In particular there is a major stress orientation anomaly in the vicinity of the Chelungpu fault. Abrupt stress rotations at depths of 1000 in and 1310 in are close to the Chinshui Shale's upper and lower boundaries, suggesting the possibility that bedding plane slip occurred during the Chi-Chi earthquake. Copyright 2007 by the American Geophysical Union.

  11. A Planning Study for a Cooperative State-Wide Orientation and Mobility Program for the Blind in Oregon. Project Report.

    ERIC Educational Resources Information Center

    Multnomah County Intermediate Education District, Portland, OR.

    An introduction on blindness is followed by a summary of the initial planning grant proposal for cooperative statewide orientation and mobility program for blind children. Background, development, and utilization of mobility-orientation training are discussed in conjunction with educational programs, guide dogs, canes, mobility readiness,…

  12. Stress Magnitudes and Orientations from Geophysical Logs and Leak-Off Tests in the Taiwan Chelungpu-Fault Drilling Project

    NASA Astrophysics Data System (ADS)

    Wu, H.; Ma, K.; Ito, H.; Hung, J.

    2005-12-01

    In Dakeng, Taiwan., the Taiwan Chelungpu-fault Drilling Project (TCDP) recently drilled a 2-km-deep hole to study the structure and mechanics of the Chelungpu Fault along the segment of the fault that ruptured in the 1999 M 7.5 Chi-Chi earthquake. Electrical image logs and other borehole geophysical logs together with 4 hydraulic fracturing stress measurements were carried out in this hole over the depth range of 500 m to 1850 m. Stress-induced borehole breakouts were observed throughout the image logs and indicate considerable local variability in stress directions at a variety of scales. At the scale of several hundred meters, dramatic changes in maximum horizontal principal stress (SHMax) directions ranging from East-West to North-South are seen at depths of 950-1000 m, 1130 m, 1300 m, and 1700 m. Shorter-wavelength rotations in SHMax are also seen in proximity to faults seen in the image logs. We surmise that both these types of stress variations are related to slip on secondary active faults in the hanging wall and foot wall of the Chelungpu Fault. Also, fast polarization directions of shear waves from dipole sonic logs show good agreement with some - but not all - of these SHMax azimuths, suggesting that seismic anisotropy in these bedded shales is, in part, stress controlled. Furthermore, the zones over which SHMax changes most rapidly are characterized by anomalously low seismic velocity and resistivity, which may provide further evidence of a causal relationship between these stress rotations and the presence of nearby active faults. Leak-off tests conducted at depths of 1000-1250 m were used to calculate the magnitudes of the minimum horizontal stress (Shmin) as a function of depth. Near a depth of 1111 m, which corresponds to the location of a major shear zone seen in the core recovered from this well, the value of Shmin is anomalously high and approximately equal to the calculated overburden stress. Major changes in SHMax azimuth and fast polarization

  13. Unsteady-State Heat Transfer Involving a Phase Change: An Example of a 'Project-Oriented' Undergraduate Laboratory.

    ERIC Educational Resources Information Center

    Sundberg, Donald C.; Someshwar, Arun V.

    1989-01-01

    Describes the structure of an in-depth laboratory project chemical engineering. Provides modeling work to guide experimentation and experimental work on heat transfer analysis. Discusses the experimental results and evaluation of the project. (YP)

  14. Project COM-TECH (Bilingual Computer- and Technology-Oriented Program), 1985-86. OEA Evaluation Report.

    ERIC Educational Resources Information Center

    New York City Board of Education, Brooklyn. Office of Educational Assessment.

    In 1985-86, Project COM-TECH offered bilingual individualized instruction to 300 limited-English proficiency students at two New York City high schools (Bushwick in Brooklyn, and Brandeis in Manhattan). Using an enrichment approach, the project provided supplementary instruction in English as a second language (ESL), native language arts, and…

  15. Synthesis of Two Local Anesthetics from Toluene: An Organic Multistep Synthesis in a Project-Oriented Laboratory Course

    ERIC Educational Resources Information Center

    Demare, Patricia; Regla, Ignacio

    2012-01-01

    This article describes one of the projects in the advanced undergraduate organic chemistry laboratory course concerning the synthesis of two local anesthetic drugs, prilocaine and benzocaine, with a common three-step sequence starting from toluene. Students undertake, in a several-week independent project, the multistep synthesis of a…

  16. Instructional System Design for Executive Orientation and Project Management Training Packages, Technical Memorandum No. 3. Interim Report. RF Project No. 3131-A1.

    ERIC Educational Resources Information Center

    Cook, Desmond L.; And Others

    This memorandum reports on the third phase, the design, of a four-phase project to design project management training materials for local educational agencies. The first section of the memorandum explains some considerations regarding management education and the organization of the report. Section 2 presents the design specifications for the…

  17. When Is a Surface "Not" Orientable?

    ERIC Educational Resources Information Center

    Braselton, James; Abell, Martha; Braselton, Lorraine

    2002-01-01

    The Mobius strip, torus, and Klein bottle are used to graphically and analytically illustrate the differences between orientable and non-orientable surfaces. An exercise/laboratory project using the non-orientable Boy surface is included. (Contains 11 figures.)

  18. Results Oriented Management in Education. Project R.O.M.E. The Verification and Validation of Principal Competencies and Performance Indicators: Assessment Design--Procedures--Instrumentation--Field Test Results. volume 1. Final Report.

    ERIC Educational Resources Information Center

    Georgia State Dept. of Education, Atlanta.

    This document describes the processes and procedures used by the University of Georgia Project R.O.M.E. (Results Oriented Management in Education) assessment staff during 1974-75 to produce the following products: (1) performance indicators of public school principal competencies initially developed during the 1973-74 project year, (2) a report of…

  19. An Investigation of the Relationships between Goals and Software Project Escalation: Insights from Goal Setting and Goal Orientation Theories

    ERIC Educational Resources Information Center

    Lee, Jong Seok

    2013-01-01

    Escalation of commitment is manifested as a behavior in which an individual resists withdrawing from a failing course of action despite negative feedback, and it is an enduring problem that occurs in a variety of situations, including R&D investment decisions and software project overruns. To date, a variety of theoretical explanations have…

  20. Spanish Multicenter Normative Studies (NEURONORMA Project): norms for the visual object and space perception battery-abbreviated, and judgment of line orientation.

    PubMed

    Peña-Casanova, Jordi; Quintana-Aparicio, María; Quiñones-Ubeda, Sonia; Aguilar, Miquel; Molinuevo, José Luis; Serradell, Mónica; Robles, Alfredo; Barquero, María Sagrario; Villanueva, Clara; Antúnez, Carmen; Martínez-Parra, Carlos; Frank-García, Anna; Aguilar, María Dolores; Fernández, Manuel; Alfonso, Verónica; Sol, Josep M; Blesa, Rafael

    2009-06-01

    This study forms part of the Spanish Multicenter Normative Studies (NEURONORMA project). Normative data for people aged over 49 years are presented for selected tasks of the visual object and space perception battery (VOSP) and for the judgment of line orientation (JLO) test. Age-adjusted norms were derived from a sample of 341 participants who are cognitively normal and community-dwelling. Age- and education-adjusted norms are also provided. Years of education were modeled on age-scaled scores to derive regression equations that were applied for further demographic adjustments. The normative information provided here should prove useful for characterizing and interpreting individual test performances as well as comparing the scores from these tests with any other test using NEURONORMA norms.

  1. Towards a Pragmatic Model for Group-Based, Technology-Mediated, Project-Oriented Learning - An Overview of the B2C Model

    NASA Astrophysics Data System (ADS)

    Lawlor, John; Conneely, Claire; Tangney, Brendan

    The poor assimilation of ICT in formal education is firmly rooted in models of learning prevalent in the classroom which are largely teacher-led, individualistic and reproductive, with little connection between theory and practice and poor linkages across the curriculum. A new model of classroom practice is required to allow for creativity, peer-learning, thematic learning, collaboration and problem solving, i.e. the skills commonly deemed necessary for the knowledge-based society of the 21st century. This paper describes the B2C model for group-based, technology-mediated, project-oriented learning which, while being developed as part of an out of school programme, offers a pragmatic alternative to traditional classroom pedagogy.

  2. Design of the DISCovery project: tailored work-oriented interventions to improve employee health, well-being, and performance-related outcomes in hospital care

    PubMed Central

    2013-01-01

    Background It is well-known that health care workers in today’s general hospitals have to deal with high levels of job demands, which could have negative effects on their health, well-being, and job performance. A way to reduce job-related stress reactions and to optimize positive work-related outcomes is to raise the level of specific job resources and opportunities to recover from work. However, the question remains how to translate the optimization of the balance between job demands, job resources, and recovery opportunities into effective workplace interventions. The aim of the DISCovery project is to develop and implement tailored work-oriented interventions to improve health, well-being, and performance of health care personnel. Methods/Design A quasi-experimental field study with a non-equivalent control group pretest-posttest design will be conducted in a top general hospital. Four existing organizational departments will provide both an intervention and a comparison group. Two types of research methods are used: (1) a longitudinal web-based survey study, and (2) a longitudinal daily diary study. After base-line measures of both methods, existing and yet to be developed interventions will be implemented within the experimental groups. Follow-up measurements will be taken one and two years after the base-line measures to analyze short-term and long-term effects of the interventions. Additionally, a process evaluation and a cost-effectiveness analysis will be carried out. Discussion The DISCovery project fulfills a strong need for theory-driven and scientifically well-performed research on job stress and performance interventions. It will provide insight into (1) how a balance between job demands, job resources, and recovery from work can be optimized, (2) the short-term and long-term effects of tailored work-oriented effects, and (3) indicators for successful or unsuccessful implementation of interventions. PMID:23421647

  3. Ionosphere Waves Service (IWS) - a problem-oriented tool in ionosphere and Space Weather research produced by POPDAT project

    NASA Astrophysics Data System (ADS)

    Ferencz, Csaba; Lizunov, Georgii; Crespon, François; Price, Ivan; Bankov, Ludmil; Przepiórka, Dorota; Brieß, Klaus; Dudkin, Denis; Girenko, Andrey; Korepanov, Valery; Kuzmych, Andrii; Skorokhod, Tetiana; Marinov, Pencho; Piankova, Olena; Rothkaehl, Hanna; Shtus, Tetyana; Steinbach, Péter; Lichtenberger, János; Sterenharz, Arnold; Vassileva, Any

    2014-05-01

    In the frame of the FP7 POPDAT project the Ionosphere Waves Service (IWS) has been developed and opened for public access by ionosphere experts. IWS is forming a database, derived from archived ionospheric wave records to assist the ionosphere and Space Weather research, and to answer the following questions: How can the data of earlier ionospheric missions be reprocessed with current algorithms to gain more profitable results? How could the scientific community be provided with a new insight on wave processes that take place in the ionosphere? The answer is a specific and unique data mining service accessing a collection of topical catalogs that characterize a huge number of recorded occurrences of Whistler-like Electromagnetic Wave Phenomena, Atmosphere Gravity Waves, and Traveling Ionosphere Disturbances. IWS online service (http://popdat.cbk.waw.pl) offers end users to query optional set of predefined wave phenomena, their detailed characteristics. These were collected by target specific event detection algorithms in selected satellite records during database buildup phase. Result of performed wave processing thus represents useful information on statistical or comparative investigations of wave types, listed in a detailed catalog of ionospheric wave phenomena. The IWS provides wave event characteristics, extracted by specific software systems from data records of the selected satellite missions. The end-user can access targets by making specific searches and use statistical modules within the service in their field of interest. Therefore the IWS opens a new way in ionosphere and Space Weather research. The scientific applications covered by IWS concern beyond Space Weather also other fields like earthquake precursors, ionosphere climatology, geomagnetic storms, troposphere-ionosphere energy transfer, and trans-ionosphere link perturbations.

  4. Ionosphere Waves Service (IWS) - a problem-oriented tool in ionosphere and Space Weather research produced by POPDAT project

    NASA Astrophysics Data System (ADS)

    Ferencz, Csaba; Lizunov, Georgii; Crespon, François; Price, Ivan; Bankov, Ludmil; Przepiórka, Dorota; Brieß, Klaus; Dudkin, Denis; Girenko, Andrey; Korepanov, Valery; Kuzmych, Andrii; Skorokhod, Tetiana; Marinov, Pencho; Piankova, Olena; Rothkaehl, Hanna; Shtus, Tetyana; Steinbach, Péter; Lichtenberger, János; Sterenharz, Arnold; Vassileva, Any

    2014-05-01

    In the frame of the FP7 POPDAT project the Ionosphere Waves Service (IWS) has been developed and opened for public access by ionosphere experts. IWS is forming a database, derived from archived ionospheric wave records to assist the ionosphere and Space Weather research, and to answer the following questions: How can the data of earlier ionospheric missions be reprocessed with current algorithms to gain more profitable results? How could the scientific community be provided with a new insight on wave processes that take place in the ionosphere? The answer is a specific and unique data mining service accessing a collection of topical catalogs that characterize a huge number of recorded occurrences of Whistler-like Electromagnetic Wave Phenomena, Atmosphere Gravity Waves, and Traveling Ionosphere Disturbances. IWS online service (http://popdat.cbk.waw.pl) offers end users to query optional set of predefined wave phenomena, their detailed characteristics. These were collected by target specific event detection algorithms in selected satellite records during database buildup phase. Result of performed wave processing thus represents useful information on statistical or comparative investigations of wave types, listed in a detailed catalog of ionospheric wave phenomena. The IWS provides wave event characteristics, extracted by specific software systems from data records of the selected satellite missions. The end-user can access targets by making specific searches and use statistical modules within the service in their field of interest. Therefore the IWS opens a new way in ionosphere and Space Weather research. The scientific applications covered by IWS concern beyond Space Weather also other fields like earthquake precursors, ionosphere climatology, geomagnetic storms, troposphere-ionosphere energy transfer, and trans-ionosphere link perturbations.

  5. A Cross-Cultural Study of the Effect of a Graph-Oriented Computer-Assisted Project-Based Learning Environment on Middle School Students' Science Knowledge and Argumentation Skills

    ERIC Educational Resources Information Center

    Hsu, P.-S.; Van Dyke, M.; Chen, Y.; Smith, T. J.

    2016-01-01

    The purpose of this mixed-methods study was to explore how seventh graders in a suburban school in the United States and sixth graders in an urban school in Taiwan developed argumentation skills and science knowledge in a project-based learning environment that incorporated a graph-oriented, computer-assisted application (GOCAA). A total of 42…

  6. The utility of Geographical Information Systems (GIS) in systems-oriented obesity intervention projects: The selection of comparable study sites for a quasi-experimental intervention design--TX CORD

    Technology Transfer Automated Retrieval System (TEKTRAN)

    The Texas Childhood Obesity Research Demonstration project (TX CORD) uses a systems-oriented approach to address obesity that includes individual and family interventions, community-level action, as well as environmental and policy initiatives. Given that randomization is seldom possible in communit...

  7. The Effect of Organic Solvents and Other Parameters on Trypsin-Catalyzed Hydrolysis of Na-Benzoyl-arginine-p-nitroanilide. A Project-Oriented Biochemical Experiment

    NASA Astrophysics Data System (ADS)

    Correia, L. C.; Bocewicz, A. C.; Esteves, S. A.; Pontes, M. G.; Versieux, L. M.; Teixeira, S. M. R.; Santoro, M. M.; Bemquerer, M. P.

    2001-11-01

    The study of enzymatic catalysis is a classical biochemistry experiment for undergraduate classes. We propose the utilization of the serine protease trypsin to discuss several parameters affecting enzyme catalysis. Hydrolysis of the chromogenic substrate Na -benzoyl-arginine-p-nitroanilide (BApNA) was followed by spectrophotometric monitoring. The optimal pH and temperature values were found to be 8.0 and 40 °C, respectively. Km and Vmax values were obtained by adjustment to Michaelis-Menten, Lineweaver-Burke, and Hanes equations. We then investigated the effect of organic solvents (a series of alcohols) on the hydrolysis of the chromogenic substrate. The reaction rate was reduced in the presence of methanol and further reduced by ethanol, 1-propanol, and 2-propanol, when compared to the data obtained with buffer. Finally the students were asked to measure the molar absorptivity of p-nitrophenol in the presence of the alcohols employed for the kinetic experiments. Thus they could learn that the value of this parameter varies with the solvent. These experiments were designed as a project-oriented approach to teach biochemistry methodologies and theoretical aspects of enzyme kinetics. They took about four months with four to six hours per week spent in the laboratory.

  8. Fusion in diffusion MRI for improved fibre orientation estimation: An application to the 3T and 7T data of the Human Connectome Project.

    PubMed

    Sotiropoulos, Stamatios N; Hernández-Fernández, Moisés; Vu, An T; Andersson, Jesper L; Moeller, Steen; Yacoub, Essa; Lenglet, Christophe; Ugurbil, Kamil; Behrens, Timothy E J; Jbabdi, Saad

    2016-07-01

    Determining the acquisition parameters in diffusion magnetic resonance imaging (dMRI) is governed by a series of trade-offs. Images of lower resolution have less spatial specificity but higher signal to noise ratio (SNR). At the same time higher angular contrast, important for resolving complex fibre patterns, also yields lower SNR. Considering these trade-offs, the Human Connectome Project (HCP) acquires high quality dMRI data for the same subjects at different field strengths (3T and 7T), which are publically released. Due to differences in the signal behavior and in the underlying scanner hardware, the HCP 3T and 7T data have complementary features in k- and q-space. The 3T dMRI has higher angular contrast and resolution, while the 7T dMRI has higher spatial resolution. Given the availability of these datasets, we explore the idea of fusing them together with the aim of combining their benefits. We extend a previously proposed data-fusion framework and apply it to integrate both datasets from the same subject into a single joint analysis. We use a generative model for performing parametric spherical deconvolution and estimate fibre orientations by simultaneously using data acquired under different protocols. We illustrate unique features from each dataset and how they are retained after fusion. We further show that this allows us to complement benefits and improve brain connectivity analysis compared to analyzing each of the datasets individually. PMID:27071694

  9. Whose Orientations?

    ERIC Educational Resources Information Center

    Gutoff, Joshua

    2010-01-01

    This article presents the author's response to Jon A. Levisohn's article entitled "A Menu of Orientations in the Teaching of Rabbinic Literature." While the "menu" Levisohn describes in his groundbreaking work on orientations to the teaching of rabbinic texts will almost certainly be refined over time, even as it stands this article should be of…

  10. Revealing Interactions between Human Resources, Quality of Life and Environmental Changes within Socially-oriented Observations : Results from the IPY PPS Arctic Project in the Russian North

    NASA Astrophysics Data System (ADS)

    Vlasova, Tatiana

    2010-05-01

    Socially-oriented Observations (SOO) in the Russian North have been carried out within multidisciplinary IPY PPS Arctic project under the leadership of Norway and supported by the Research Council of Norway as well as Russian Academy of Sciences. The main objective of SOO is to increase knowledge and observation of changes in quality of life conditions (state of natural environment including climate and biota, safe drinking water and foods, well-being, employment, social relations, access to health care and high quality education, etc.) and - to reveal trends in human capital and capacities (health, demography, education, creativity, spiritual-cultural characteristics and diversity, participation in decision making, etc.). SOO have been carried out in industrial cities as well as sparsely populated rural and nature protection areas in observation sites situated in different bioms (from coastal tundra to southern taiga zone) of Murmansk, Arkhangelsk Oblast and Republic of Komi. SOO were conducted according to the international protocol included in PPS Arctic Manual. SOO approaches based both on local people's perceptions and statistics help to identify main issues and targets for life quality, human capital and environment improvement and thus to distinguish leading SOO indicators for further monitoring. SOO have revealed close interaction between human resources, quality of life and environmental changes. Negative changes in human capital (depopulation, increasing unemployment, aging, declining physical and mental health, quality of education, loss of traditional knowledge, marginalization etc.), despite peoples' high creativity and optimism are becoming the major driving force effecting both the quality of life and the state of environment and overall sustainability. Human induced disturbances such as uncontrolled forests cuttings and poaching are increasing. Observed rapid changes in climate and biota (ice and permafrost melting, tundra shrubs getting taller and

  11. Clay Mineral Preferred Orientation

    NASA Astrophysics Data System (ADS)

    Day-Stirrat, R. J.

    2014-12-01

    Anisotropy of the orientation of clay minerals, often referred to as texture, may be unique to sediments' deposition, composition, deformation or diagenetic history. The literature is rich with studies that include preferred orientation generation in fault gouge, low-grade metamorphic rocks, sediments with variable clay content and during the smectite-to-illite transformation. Untangling the interplay between many competing factors in any one geologic situation has proven a significant challenge over many years. Understanding how, where and when clay minerals develop a preferred orientation has significant implications for permeability anisotropy in shallow burial, the way mechanical properties are projected from shallower to deeper settings in basin modeling packages and the way velocity anisotropy is accounted for in seismic data processing. The assessment of the anisotropic properties of fine-grained siliciclastic rocks is gaining significant momentum in rock physics research. Therefore, a fundamental understanding of how clay minerals develop a preferred orientation in space and time is crucial to the understanding of anisotropy of physical properties. The current study brings together a wealth of data that may be used in a predictive sense to account for fabric anisotropy that may impact any number of rock properties.

  12. Orienting hypnosis.

    PubMed

    Hope, Anna E; Sugarman, Laurence I

    2015-01-01

    This article presents a new frame for understanding hypnosis and its clinical applications. Despite great potential to transform health and care, hypnosis research and clinical integration is impaired in part by centuries of misrepresentation and ignorance about its demonstrated efficacy. The authors contend that advances in the field are primarily encumbered by the lack of distinct boundaries and definitions. Here, hypnosis, trance, and mind are all redefined and grounded in biological, neurological, and psychological phenomena. Solutions are proposed for boundary and language problems associated with hypnosis. The biological role of novelty stimulating an orienting response that, in turn, potentiates systemic plasticity forms the basis for trance. Hypnosis is merely the skill set that perpetuates and influences trance. This formulation meshes with many aspects of Milton Erickson's legacy and Ernest Rossi's recent theory of mind and health. Implications of this hypothesis for clinical skills, professional training, and research are discussed.

  13. EDITORIAL: Optical orientation Optical orientation

    NASA Astrophysics Data System (ADS)

    SAME ADDRESS *, Yuri; Landwehr, Gottfried

    2008-11-01

    priority of the discovery in the literature, which was partly caused by the existence of the Iron Curtain. I had already enjoyed contact with Boris in the 1980s when the two volumes of Landau Level Spectroscopy were being prepared [2]. He was one of the pioneers of magneto-optics in semiconductors. In the 1950s the band structure of germanium and silicon was investigated by magneto-optical methods, mainly in the United States. No excitonic effects were observed and the band structure parameters were determined without taking account of excitons. However, working with cuprous oxide, which is a direct semiconductor with a relative large energy gap, Zakharchenya and his co-worker Seysan showed that in order to obtain correct band structure parameters, it is necessary to take excitons into account [3]. About 1970 Boris started work on optical orientation. Early work by Hanle in Germany in the 1920s on the depolarization of luminescence in mercury vapour by a transverse magnetic field was not appreciated for a long time. Only in the late 1940s did Kastler and co-workers in Paris begin a systematic study of optical pumping, which led to the award of a Nobel prize. The ideas of optical pumping were first applied by Georges Lampel to solid state physics in 1968. He demonstrated optical orientation of free carriers in silicon. The detection method was nuclear magnetic resonance; optically oriented free electrons dynamically polarized the 29Si nuclei of the host lattice. The first optical detection of spin orientation was demonstrated by with the III-V semiconductor GaSb by Parsons. Due to the various interaction mechanisms of spins with their environment, the effects occurring in semiconductors are naturally more complex than those in atoms. Optical detection is now the preferred method to detect spin alignment in semiconductors. The orientation of spins in crystals pumped with circularly polarized light is deduced from the degree of circular polarization of the recombination

  14. EDITORIAL: Optical orientation Optical orientation

    NASA Astrophysics Data System (ADS)

    SAME ADDRESS *, Yuri; Landwehr, Gottfried

    2008-11-01

    priority of the discovery in the literature, which was partly caused by the existence of the Iron Curtain. I had already enjoyed contact with Boris in the 1980s when the two volumes of Landau Level Spectroscopy were being prepared [2]. He was one of the pioneers of magneto-optics in semiconductors. In the 1950s the band structure of germanium and silicon was investigated by magneto-optical methods, mainly in the United States. No excitonic effects were observed and the band structure parameters were determined without taking account of excitons. However, working with cuprous oxide, which is a direct semiconductor with a relative large energy gap, Zakharchenya and his co-worker Seysan showed that in order to obtain correct band structure parameters, it is necessary to take excitons into account [3]. About 1970 Boris started work on optical orientation. Early work by Hanle in Germany in the 1920s on the depolarization of luminescence in mercury vapour by a transverse magnetic field was not appreciated for a long time. Only in the late 1940s did Kastler and co-workers in Paris begin a systematic study of optical pumping, which led to the award of a Nobel prize. The ideas of optical pumping were first applied by Georges Lampel to solid state physics in 1968. He demonstrated optical orientation of free carriers in silicon. The detection method was nuclear magnetic resonance; optically oriented free electrons dynamically polarized the 29Si nuclei of the host lattice. The first optical detection of spin orientation was demonstrated by with the III-V semiconductor GaSb by Parsons. Due to the various interaction mechanisms of spins with their environment, the effects occurring in semiconductors are naturally more complex than those in atoms. Optical detection is now the preferred method to detect spin alignment in semiconductors. The orientation of spins in crystals pumped with circularly polarized light is deduced from the degree of circular polarization of the recombination

  15. Object-oriented productivity metrics

    NASA Technical Reports Server (NTRS)

    Connell, John L.; Eller, Nancy

    1992-01-01

    Software productivity metrics are useful for sizing and costing proposed software and for measuring development productivity. Estimating and measuring source lines of code (SLOC) has proven to be a bad idea because it encourages writing more lines of code and using lower level languages. Function Point Analysis is an improved software metric system, but it is not compatible with newer rapid prototyping and object-oriented approaches to software development. A process is presented here for counting object-oriented effort points, based on a preliminary object-oriented analysis. It is proposed that this approach is compatible with object-oriented analysis, design, programming, and rapid prototyping. Statistics gathered on actual projects are presented to validate the approach.

  16. Learning to Fly: Family-Oriented Literacy Education in Schools. Celebrating the Tenth Anniversary of Hamburg's Family Literacy Project 2004-2014

    ERIC Educational Resources Information Center

    Rabkin, Gabriele, Ed.; Roche, Stephen, Ed.

    2014-01-01

    This book was published to mark the tenth anniversary of Hamburg's award-winning Family Literacy project (FLY). It includes contributions from key stakeholders--academics, teachers, parents and children--participating in the conceptualization and implementation of FLY in the city of Hamburg. FLY mainly targets people from socially disadvantaged…

  17. Interactive Video Disc Orientation Documentation.

    ERIC Educational Resources Information Center

    Frost, William J.; And Others

    This report provides the documentation for a proposed interactive videodisk to be produced for use in orienting freshman students to the Harvey A. Andruss Library of Bloomsburg University (Pennsylvania). A rationale for the project and a plan of action are followed by a production time line and tentative program outline. An outline of the library…

  18. The Preparation of a UV-Light-Absorbing Polymer: A Project-Oriented Laboratory Experiment for the Introductory Organic Chemistry Curriculum

    NASA Astrophysics Data System (ADS)

    Poon, Thomas; McIntyre, Jean P.; Dorigo, Andrea; Davis, Drew J.; Davis, Matthew A.; Eller, Crystal F.; Eller, Leah R.; Izumi, Heather K.; Jones, Kenya M.; Kelley, Kurt H.; Massello, William; Melamed, Megan L.; Norris, Cynthia M.; Oelrich, Jeffrey A.; Pluim, Thomas A.; Poplawski, Sarah E.; St. Clair, Jason M.; Stokes, Matthew P.; Wheeler, Wells C.; Wilkes, Erin E.

    1999-11-01

    A laboratory experiment is described that combines organic synthesis, spectroscopy, and polymer chemistry and is suitable for the sophomore organic chemistry curriculum. In this three-week sequence, students synthesize and characterize the UV-absorber 2-(2',4'-dimethylbenzoyl)benzoic acid and incorporate it into films of polymethylmethacrylate. The project exposes students to a variety of techniques and topics including UV-vis, nuclear magnetic resonance and IR spectroscopy, free radical polymerization, vacuum filtration, use of a separatory funnel for extraction and washing, melting point determination, recrystallization, reflux, and Friedel-Crafts acylation.

  19. THE BANANA PROJECT. IV. TWO ALIGNED STELLAR ROTATION AXES IN THE YOUNG ECCENTRIC BINARY SYSTEM EP CRUCIS: PRIMORDIAL ORIENTATION AND TIDAL ALIGNMENT

    SciTech Connect

    Albrecht, Simon; Winn, Joshua N.; Setiawan, Johny; Torres, Guillermo; Fabrycky, Daniel C.

    2013-04-10

    With observations of the EP Cru system, we continue our series of measurements of spin-orbit angles in eclipsing binary star systems, the BANANA project (Binaries Are Not Always Neatly Aligned). We find a close alignment between the sky projections of the rotational and orbital angular momentum vectors for both stars ({beta}{sub p} = -1. Degree-Sign 8 {+-} 1. Degree-Sign 6 and |{beta}{sub s}| < 17 Degree-Sign ). We also derive precise absolute dimensions and stellar ages for this system. The EP Cru and DI Her systems provide an interesting comparison: they have similar stellar types and orbital properties, but DI Her is younger and has major spin-orbit misalignments, raising the question of whether EP Cru also had a large misalignment at an earlier phase of evolution. We show that tidal dissipation is an unlikely explanation for the good alignment observed today, because realignment happens on the same timescale as spin-orbit synchronization, and the stars in EP Cru are far from synchronization (they are spinning nine times too quickly). Therefore it seems that some binaries form with aligned axes, while other superficially similar binaries are formed with misaligned axes.

  20. Viticultural Project

    ERIC Educational Resources Information Center

    Kaminske, Volker

    2005-01-01

    The EU offers opportunities to schools - within the Comenius Programme - to develop and implement specific studies in which pedagogical, lingual and science-oriented objectives can be internationally combined if schools from at least three European countries are ready to share in a common project. Geography seems to be especially suited for such…

  1. Project Succeed.

    ERIC Educational Resources Information Center

    Patterson, John

    Project Succeed is a program for helping failure- and dropout-oriented pupils to improve their school achievement. Attendance and assignment completion are the key behaviors for enhancing achievement. Behavior modification and communications procedures are used to bring about the desired changes. Treatment procedures include current assessment…

  2. Theories of Sexual Orientation.

    ERIC Educational Resources Information Center

    Storms, Michael D.

    1980-01-01

    Results indicated homosexuals, heterosexuals, and bisexuals did not differ within each sex on measures of masculinity and femininity. Strong support was obtained for the hypothesis that sexual orientation relates primarily to erotic fantasy orientation. (Author/DB)

  3. Lateral orientation (image)

    MedlinePlus

    ... chest, and the ears are lateral to the head. A medial orientation is a position toward the midline of the body. An example of medial orientation is the eyes, which are medial to the ears on the head.

  4. They Call it Orienteering

    ERIC Educational Resources Information Center

    Wexler, Mark

    1977-01-01

    Through the use of personal anecdotes, the author details his initial experience with orienteering, a sport rapidly increasing in popularity that teaches people not to get lost in the woods. Sources of information about orienteering are provided. (BT)

  5. Physical Science-Supplement: Project Oriented.

    ERIC Educational Resources Information Center

    Nederland Independent School District, TX.

    GRADES OR AGES: No mention; appears to be for secondary grades. SUBJECT MATTER: Physical sciences for slow learners. ORGANIZATION AND PHYSICAL APPEARANCE: The guide is divided into 11 units, each of which is further subdivided into several chapters. Each chapter is laid out in three columns; column headings are concepts, content, and activities.…

  6. Project: "Project!"

    ERIC Educational Resources Information Center

    Grayson, Katherine

    2007-01-01

    In November 2006, the editors of "Campus Technology" launched their first-ever High-Resolution Projection Study, to find out if the latest in projector technology could really make a significant difference in teaching, learning, and educational innovation on US campuses. The author and her colleagues asked campus educators, technologists, and…

  7. The Utility of Geographical Information Systems (GIS) in Systems-Oriented Obesity Intervention Projects: The Selection of Comparable Study Sites for a Quasi-Experimental Intervention Design—TX CORD

    PubMed Central

    Byars, Allison; Byrd-Williams, Courtney; Sharma, Shreela V.; Durand, Casey; Hoelscher, Deanna M.; Butte, Nancy F.; Kelder, Steven H.

    2015-01-01

    Abstract Background: The Texas Childhood Obesity Research Demonstration project (TX CORD) uses a systems-oriented approach to address obesity that includes individual and family interventions, community-level action, as well as environmental and policy initiatives. Given that randomization is seldom possible in community-level intervention studies, TX CORD uses a quasi-experimental design. Comparable intervention and comparison study sites are needed to address internal validity bias. Methods: TX CORD was designed to be implemented in low-income, ethnically diverse communities in Austin and Houston, Texas. A three-stage Geographical Information System (GIS) methodology was used to establish and ascertain the comparability of the intervention and comparison study sites. Census tract (stage 1) and school (stage 2) data were used to identify spatially exclusive geographic areas that were comparable. In stage 3, study sites were compared on demographic characteristics, socioeconomic status (SES), food assets, and physical activity (PA) assets. Student's t-test was used to examine significant differences between the selected sites. Results: The methodology that was used resulted in the selection of catchment areas with demographic and socioeconomic characteristics that fit the target population: ethnically diverse population; lower-median household income; and lower home ownership rates. Additionally, the intervention and comparison sites were statistically comparable on demographic and SES variables, as well as food assets and PA assets. Conclusions: This GIS approach can provide researchers, program evaluators, and policy makers with useful tools for both research and practice. Area-level information that allows for robust understanding of communities can enhance analytical procedures in community health research and offer significant contributions in terms of community assessment and engagement. PMID:25587670

  8. Convex Image Orientation from Relative Orientations

    NASA Astrophysics Data System (ADS)

    Reich, M.; Heipke, C.

    2016-06-01

    In this paper we propose a novel workflow for the estimation of global image orientations given relative orientations between pairs of overlapping images. Our approach is convex and independent on initial values. First, global rotations are estimated in a relaxed semidefinite program (SDP) and refined in an iterative least squares adjustment in the tangent space of SO(3). A critical aspect is the handling of outliers in the relative orientations. We present a novel heuristic graph based approach for filtering the relative rotations that outperforms state-of-the-art robust rotation averaging algorithms. In a second part we make use of point-observations, tracked over a set of overlapping images and formulate a linear homogeneous system of equations to transfer the scale information between triplets of images, using estimated global rotations and relative translation directions. The final step consists of refining the orientation parameters in a robust bundle adjustment. The proposed approach handles outliers in the homologous points and relative orientations in every step of the processing chain. We demonstrate the robustness of the procedure on synthetic data. Moreover, the performance of our approach is illustrated on real world benchmark data.

  9. Humane Education Projects Handbook.

    ERIC Educational Resources Information Center

    Junior League of Ogden, UT.

    This handbook was developed to promote interest in humane education and to encourage the adoption of humane education projects. Although specifically designed to assist Junior Leagues in developing such projects, the content should prove valuable to animal welfare organizations, zoos, aquariums, nature centers, and other project-oriented groups…

  10. ORIENTATION CLASSES FOR IN-MIGRANT TRANSIENT CHILDREN. A FIRST REPORT, PART II.

    ERIC Educational Resources Information Center

    PONDER, EDDIE G.; AND OTHERS

    A 3-YEAR STUDY OF THE ORIENTATION OF IMMIGRANT TRANSIENT CHILDREN WAS INITIATED IN SEPTEMBER, 1960. PART ONE GIVES AN OVERVIEW OF THE PROJECT FOR THE SCHOOL YEAR 1961-61. IT REVIEWS THE ORGANIZATION OF THE ORIENTATION CLASSES, THE INSERVICE PROGRAM, COMMUNITY ORIENTATION, AND REPORTS OF SPECIAL SERVICES GIVEN TO THE PROJECT CLASSES. PART TWO…

  11. Leveraging object-oriented development at Ames

    NASA Technical Reports Server (NTRS)

    Wenneson, Greg; Connell, John

    1994-01-01

    This paper presents lessons learned by the Software Engineering Process Group (SEPG) from results of supporting two projects at NASA Ames using an Object Oriented Rapid Prototyping (OORP) approach supported by a full featured visual development environment. Supplemental lessons learned from a large project in progress and a requirements definition are also incorporated. The paper demonstrates how productivity gains can be made by leveraging the developer with a rich development environment, correct and early requirements definition using rapid prototyping, and earlier and better effort estimation and software sizing through object-oriented methods and metrics. Although the individual elements of OO methods, RP approach and OO metrics had been used on other separate projects, the reported projects were the first integrated usage supported by a rich development environment. Overall the approach used was twice as productive (measured by hours per OO Unit) as a C++ development.

  12. Service Learning: An Action Oriented Program Evaluation

    ERIC Educational Resources Information Center

    Kelley, George

    2013-01-01

    Service learning is an academic discipline that provides students with "hands-on" opportunities for developing skills in real-world, community-based projects that serve and benefit community members. This dissertation reflects an action-oriented process for improving the quality of the Service Learning Program at City University of…

  13. Teaching Orienteering. Second Edition.

    ERIC Educational Resources Information Center

    McNeill, Carol; Cory-Wright, Jean; Renfrew, Tom

    The educational value provided by orienteering's blend of navigational and physical skills has given it a permanent place in the primary and secondary school curriculum in the United Kingdom. This book is a reference to orienteering for teachers, leaders, and coaches. It provides a "how to" approach to introducing and developing the skills and…

  14. Orientation in operator algebras

    PubMed Central

    Alfsen, Erik M.; Shultz, Frederic W.

    1998-01-01

    A concept of orientation is relevant for the passage from Jordan structure to associative structure in operator algebras. The research reported in this paper bridges the approach of Connes for von Neumann algebras and ourselves for C*-algebras in a general theory of orientation that is of geometric nature and is related to dynamics. PMID:9618457

  15. Interactions of form and orientation

    NASA Technical Reports Server (NTRS)

    Mittelstaedt, Horst

    1989-01-01

    It is well known that the orientation of an optical pattern relative to egocentric or extraneous references affects its figural quality, that is, alters its perceived form and concomitantly delays or quickens its identification (Rock 1973). A square presented in the frontal plane to an upright person (S), for instance, changes from a box to a diamond when it is rotated with respect to the S's median plane by 45 deg. This angle, that is, the angle between the orientations of the pattern in which the two apparent figures (Gestalten) attain a summit of purity and distinctness, will be called the figural disparity of the pattern. If, as in this case, the S is upright, the retinal meridian and the subjective vertical (SV) are both in the viewer's median plane. The question arises with respect to which of these orientation references the two figures are identified. The answer may be found when the pattern and the S are oriented in such a way that the projections of the retinal meridian and the SV into the plane of the pattern diverge by the pattern's figural disparity or its periodic multiples: that is, in this case of a square by 45 or 135 deg, respectively. Similarly, which reference determines whether an equilateral triangle is seen as a pyramid or a traffic warning sign may be revealed at a divergence of SV and retinal meridian of 60 or 180 deg, respectively. It is generally found that for head roll tilts (Rho) and figural disparities of up to 90 deg, the figure whose axis coincides with the SV is seen. At head tilts of Rho=180 deg, however, the retinal reference dominates, as a rule independently of the figural disparity.

  16. Orientational Meliorism, Pragmatist Aesthetics, and the "Bhagavad Gita"

    ERIC Educational Resources Information Center

    Stroud, Scott R.

    2009-01-01

    This article develops an understanding of Dewey's aesthetics by connecting it to a project that can be extracted from his overall pragmatist approach--orientational meliorism. As I will argue, Dewey emphasizes the effect that one's mental habits or orientations toward experience and activity has on the quality of one's experience. Orientational…

  17. Implementing Strategic Orientation

    ERIC Educational Resources Information Center

    Fischer, Arthur K.; Brownback, Sarah

    2012-01-01

    An HRM case dealing with problems and issues of setting up orientation programs which align with corporate strategy. Discussion concerns how such a case can be used to exhibit the alignment between HRM and business strategy.

  18. Passive orientation apparatus

    DOEpatents

    Spletzer, Barry L.; Fischer, Gary J.; Martinez, Michael A.

    2001-01-01

    An apparatus that can return a payload to a known orientation after unknown motion, without requiring external power or complex mechanical systems. The apparatus comprises a faceted cage that causes the system to rest in a stable position and orientation after arbitrary motion. A gimbal is mounted with the faceted cage and holds the payload, allowing the payload to move relative to the stable faceted cage. The payload is thereby placed in a known orientation by the interaction of gravity with the geometry of the faceted cage, the mass of the system, and the motion of the payload and gimbal. No additional energy, control, or mechanical actuation is required. The apparatus is suitable for use in applications requiring positioning of a payload to a known orientation after arbitrary or uncontrolled motion, including remote sensing and mobile robot applications.

  19. Orientations to Reflective Practice.

    ERIC Educational Resources Information Center

    Wellington, Bud; Austin, Patricia

    1996-01-01

    Delineates five orientations to reflective practice: immediate, technical, deliberative, dialectic, and transpersonal, each reflecting different social science bases and beliefs and values about education. Views them as interactive, interdependent, noncompeting, aspects of reflective practice. (SK)

  20. Orientability and Diffusion Maps

    PubMed Central

    Singer, Amit; Wu, Hau-tieng

    2010-01-01

    One of the main objectives in the analysis of a high dimensional large data set is to learn its geometric and topological structure. Even though the data itself is parameterized as a point cloud in a high dimensional ambient space ℝp, the correlation between parameters often suggests the “manifold assumption” that the data points are distributed on (or near) a low dimensional Riemannian manifold ℳd embedded in ℝp, with d ≪ p. We introduce an algorithm that determines the orientability of the intrinsic manifold given a sufficiently large number of sampled data points. If the manifold is orientable, then our algorithm also provides an alternative procedure for computing the eigenfunctions of the Laplacian that are important in the diffusion map framework for reducing the dimensionality of the data. If the manifold is non-orientable, then we provide a modified diffusion mapping of its orientable double covering. PMID:21765628

  1. Sexual Orientation (For Parents)

    MedlinePlus

    ... For Kids For Parents MORE ON THIS TOPIC Transgender People Teaching Your Child Tolerance STDs Understanding Early ... and Romance Am I in a Healthy Relationship? Transgender People Sexual Attraction and Orientation Contact Us Print ...

  2. Research and Development Project to Develop, Improve, Expand and Evaluate Behavioral Goals of a Team-Taught, Humanities-Oriented Course in World Civilization for Ninth and Tenth Grade Students. Final Report.

    ERIC Educational Resources Information Center

    Fairfax County School Board, VA.

    This report describes five out of seventeen units in a World Civilization program, a two-year humanities oriented interdisciplinary English and social studies program. Course material focuses on those records of man which represent his thoughts and feelings about life. History serves as the basis for the chronological development of the course,…

  3. Developing an orientation program.

    PubMed

    Edwards, K

    1999-01-01

    When the local area experienced tremendous growth and change, the radiology department at Maury Hospital in Columbia, Tennessee looked seriously at its orientation process in preparation for hiring additional personnel. It was an appropriate time for the department to review its orientation process and to develop a manual to serve as both a tool for supervisors and an ongoing reference for new employees. To gather information for the manual, supervisors were asked to identify information they considered vital for new employees to know concerning the daily operations of the department, its policies and procedures, the organizational structure of the hospital, and hospital and departmental computer systems. That information became the basis of the orientation manual, and provided an introduction to the hospital and radiology department; the structure of the organization; an overview of the radiology department; personnel information; operating procedures and computer systems; and various policies and procedures. With the manual complete, the radiology department concentrated on an orientation process that would meet the needs of supervisors who said they had trouble remembering the many details necessary to teach new employees. A pre-orientation checklist was developed, which contained the many details supervisors must handle between the time an employee is hired and arrives for work. The next step was the creation of a checklist for use by the supervisor during a new employee's first week on the job. A final step in the hospital's orientation program is to have each new employee evaluate the entire orientation process. That information is then used to update and revise the manual. PMID:10346648

  4. Alternatives: Project Description.

    ERIC Educational Resources Information Center

    Brier, Norman

    Alternatives is a project designed for youngsters, ages 11-15, who display serious conduct problems and severe learning deficiencies. The primary goal of the project is to prevent the development of a chronic antisocial orientation among youngsters who are at high risk for such an outcome. The interventions employed at Alternatives are based on…

  5. Dynamics of cell orientation

    NASA Astrophysics Data System (ADS)

    de, Rumi; Zemel, Assaf; Safran, Samuel A.

    2007-09-01

    Many physiological processes depend on the response of biological cells to mechanical forces generated by the contractile activity of the cell or by external stresses. Using a simple theoretical model that includes the forces due to both the mechanosensitivity of cells and the elasticity of the matrix, we predict the dynamics and orientation of cells in both the absence and presence of applied stresses. The model predicts many features observed in measurements of cellular forces and orientation including the increase with time of the cellular forces in the absence of applied stress and the consequent decrease of the force in the presence of quasi-static stresses. We also explain the puzzling observation of parallel alignment of cells for static and quasi-static stresses and of nearly perpendicular alignment for dynamically varying stresses. In addition, we predict the response of the cellular orientation to a sinusoidally varying applied stress as a function of frequency.

  6. Service-oriented science.

    PubMed

    Foster, Ian

    2005-05-01

    New information architectures enable new approaches to publishing and accessing valuable data and programs. So-called service-oriented architectures define standard interfaces and protocols that allow developers to encapsulate information tools as services that clients can access without knowledge of, or control over, their internal workings. Thus, tools formerly accessible only to the specialist can be made available to all; previously manual data-processing and analysis tasks can be automated by having services access services. Such service-oriented approaches to science are already being applied successfully, in some cases at substantial scales, but much more effort is required before these approaches are applied routinely across many disciplines. Grid technologies can accelerate the development and adoption of service-oriented science by enabling a separation of concerns between discipline-specific content and domain-independent software and hardware infrastructure.

  7. Topography and pigeon orientation

    NASA Technical Reports Server (NTRS)

    Wagner, G.

    1972-01-01

    Two types of homing experiments with pigeons to determine the influence of topographical features on the orientation behavior of the birds are discussed. The releases and following were conducted by ground experiments in which the birds are tracked by visual observation at points of topographical interest and the helicopter method by which the birds are tracked throughout the entire flight. The ground experiments showed a strong influence of topographical features on initial orientation. The helicopter experiments showed that the ground experiments do not provide adequate information on the manner in which homing occurs.

  8. An Orientation Program for Clinical Adjunct Faculty.

    PubMed

    Rice, Gwendolyn

    2016-01-01

    Having highly competent clinical faculty in an institution of higher learning is a prerequisite for graduating safe nurses in the future. The purpose of this project was to increase each clinical nurse's knowledge and skills for the new role of clinical adjunct nursing faculty. Successful implementation of this program will help promote consistency in effective job performance of clinical adjunct faculty and facilitate achievement of the projected goals and outcomes. This orientation program was presented in a one day face-to-face encounter with twelve (12) adjunct faculty members, tenured and others on the tenured track. These faculty members were hired by City Colleges of Chicago (CCC) School of Nursing Program at the Malcolm X College. Presentations were given by attendees with a lesson plan. Pre-test, post-test and evaluation forms were presented and it was agreed that an orientation program should be developed and presented to all newly hired clinical adjunct nursing faculty at CCC.

  9. An Orientation Program for Clinical Adjunct Faculty.

    PubMed

    Rice, Gwendolyn

    2016-01-01

    Having highly competent clinical faculty in an institution of higher learning is a prerequisite for graduating safe nurses in the future. The purpose of this project was to increase each clinical nurse's knowledge and skills for the new role of clinical adjunct nursing faculty. Successful implementation of this program will help promote consistency in effective job performance of clinical adjunct faculty and facilitate achievement of the projected goals and outcomes. This orientation program was presented in a one day face-to-face encounter with twelve (12) adjunct faculty members, tenured and others on the tenured track. These faculty members were hired by City Colleges of Chicago (CCC) School of Nursing Program at the Malcolm X College. Presentations were given by attendees with a lesson plan. Pre-test, post-test and evaluation forms were presented and it was agreed that an orientation program should be developed and presented to all newly hired clinical adjunct nursing faculty at CCC. PMID:26930766

  10. Object Oriented Learning Objects

    ERIC Educational Resources Information Center

    Morris, Ed

    2005-01-01

    We apply the object oriented software engineering (OOSE) design methodology for software objects (SOs) to learning objects (LOs). OOSE extends and refines design principles for authoring dynamic reusable LOs. Our learning object class (LOC) is a template from which individualised LOs can be dynamically created for, or by, students. The properties…

  11. New Faculty Orientation Plan.

    ERIC Educational Resources Information Center

    Triton Coll., River Grove, IL.

    This report provides an overview of Triton College's (Illinois) New Faculty Orientation Plan, which was developed in light of the large number of retirements and new hires expected by the year 2000. The purpose of the plan is to assist newly hired instructors to move productively into their professional roles and to become actively involved in the…

  12. Good Orientation Counts

    ERIC Educational Resources Information Center

    Mossman, Katherine

    2005-01-01

    In this article, the author addresses the importance of having orientation for new librarians. During their crucial first few weeks on the job, the author claims, new librarians need as much hands-on, real-world training as they can get. If they are ushered to the information desk without an introduction to the staff interface of the catalog or to…

  13. Computer Based Library Orientation.

    ERIC Educational Resources Information Center

    Machalow, Robert

    This document presents computer-based lessons used to teach basic library skills to college students at York College of the City University of New York. The information for library orientation has been entered on a disk which must be used in conjunction with a word processing program, the Applewriter IIe, and an Apple IIe microcomputer. The…

  14. Orientation of Phoenician Temples

    NASA Astrophysics Data System (ADS)

    Escacena Carrasco, José Luis

    The orientation of Phoenician temples has revealed some of the astronomical knowledge of their builders. What we now know on this topic is complemented by other archaeological documents from Syrio-Palestinian cities and their colonies. The astral aspects of Phoenician religion are a direct legacy from the Canaanite traditions 1,000 years earlier and display connections with Mesopotamia and Egypt.

  15. Sierra Madre Oriental, Mexico

    NASA Technical Reports Server (NTRS)

    1985-01-01

    This view of the Sierra Madre Oriental, Mexico (26.5N, 102.0W) west of Monclova, shows a mining region of northern Mexico. Mine tailings can be seen on the mountain slopes and in the valley floor. In addition to mining activity, several irrigated agricultural areas supporting the local communities can be seen in the area.

  16. A Curriculum Orientation Profile.

    ERIC Educational Resources Information Center

    Babin, Patrick

    The Curriculum Orientation Profile was designed to assist in the identification of individual perspectives on curriculum and curricular decision-making. It contains 57 items, with which one agrees or disagrees. Each item is also given a code to be used in interpreting the score. Items with which one agrees are assigned to one of five codes,…

  17. Electronic Publication of Health Information in an Object-Oriented Environment.

    ERIC Educational Resources Information Center

    Prettyman, Maureen; Antonucci, Robert; Lynch, Paul; Mericle, Lee

    1999-01-01

    The National Library of Medicine is supporting a research project on full-text search and retrieval. The project includes a fully deployed system, HSTAT, to provide access to government-supported health information. The retrieval system is an object-oriented client-server model and the data is stored in an object-oriented database management…

  18. Personality and Medical Specialty Choice: Technique Orientation versus People Orientation.

    ERIC Educational Resources Information Center

    Borges, Nicole J.; Osmon, William R.

    2001-01-01

    Results of the 16 Personality Factor Questionnaire completed by 161 physicians indicated that role consciousness, abstractedness, and tough mindedness differentiated medical specialties (surgeons, anesthesiologists, family practitioners). Results correlated with the use of differences between person orientation and technique orientation to…

  19. History of Oriental Astronomy

    NASA Astrophysics Data System (ADS)

    Ansari, S. M. Razaullah

    2002-12-01

    This volume deals specifically with recent original research in the history of Chinese, Korean, Japanese, Islamic, and Indian astronomy. It strikes a balance between landmarks of history of Ancient and Medieval Astronomy in the Orient on one hand, and on the other the transmission of the European Astronomy into the countries of the Orient. Most contributions are based on research by the experts in this field. The book also indicates the status of astronomy research in non-European cultural areas of the world. The book is especially of interest to historians of astronomy and science, and students of cultural heritage. Link: http://www.wkap.nl/prod/b/1-4020-0657-8

  20. Perceptually oriented hypnosis.

    PubMed

    Woodard, Fredrick J

    2003-04-01

    This theoretical article explores postulates representative of a perceptual frame of reference for a better understanding of hypnotic experiencing. This author contends that Perceptual Psychology, a theory first conceptualized by Snygg and Combs, as revised by Combs, Richards, and Richards in 1988, and Perceptually Oriented Hypnosis provide an effective way of understanding hypnosis, the therapist-client relationship, and has some implications as well for better comprehending psychopathology. Perceptually oriented hypnotic principles are shown to enhance the characeristics of the adequate personality, expand the phenomenal field, change personal meanings, and change aspects of the phenomenal self in the context of hypnosis. Implications for understanding differing views and conflicting perceptions of reality held by scientists and researchers are discussed. Implications for Dissociative Identity Disorder are also addressed. Research utilizing Giorgi's research methodology and Wasicsko's qualitative procedure for assessing educators' dispositions is suggested.

  1. Aspect-Oriented Programming

    NASA Technical Reports Server (NTRS)

    Elrad, Tzilla (Editor); Filman, Robert E. (Editor); Bader, Atef (Editor)

    2001-01-01

    Computer science has experienced an evolution in programming languages and systems from the crude assembly and machine codes of the earliest computers through concepts such as formula translation, procedural programming, structured programming, functional programming, logic programming, and programming with abstract data types. Each of these steps in programming technology has advanced our ability to achieve clear separation of concerns at the source code level. Currently, the dominant programming paradigm is object-oriented programming - the idea that one builds a software system by decomposing a problem into objects and then writing the code of those objects. Such objects abstract together behavior and data into a single conceptual and physical entity. Object-orientation is reflected in the entire spectrum of current software development methodologies and tools - we have OO methodologies, analysis and design tools, and OO programming languages. Writing complex applications such as graphical user interfaces, operating systems, and distributed applications while maintaining comprehensible source code has been made possible with OOP. Success at developing simpler systems leads to aspirations for greater complexity. Object orientation is a clever idea, but has certain limitations. We are now seeing that many requirements do not decompose neatly into behavior centered on a single locus. Object technology has difficulty localizing concerns invoking global constraints and pandemic behaviors, appropriately segregating concerns, and applying domain-specific knowledge. Post-object programming (POP) mechanisms that look to increase the expressiveness of the OO paradigm are a fertile arena for current research. Examples of POP technologies include domain-specific languages, generative programming, generic programming, constraint languages, reflection and metaprogramming, feature-oriented development, views/viewpoints, and asynchronous message brokering. (Czarneclu and

  2. Earth orientation parameters

    NASA Technical Reports Server (NTRS)

    Eanes, Richard J.

    1994-01-01

    Since the beginning of regular space geodetic measurements, Satellite Laser Ranging (SLR) has routinely provided polar motion and length of day solutions. At the present time, Global Positioning Systems (GPS) regularly produces daily polar motion solutions with 0.4 mas accuracy, equivalent to the routine 1-day VLBI experiments and SLR solutions using 3 days of Lageos-1 data. This rapid progress of the GPS technique forces a review of any resource allocations for VLBI and SLR measurements of Earth orientation.

  3. [Spatial orientation under microgravity].

    PubMed

    Koizuka, Izumi

    2012-01-01

    On Earth, humans are constantly exposed to the gravity. During head and body tilts, the otolith organs sense changes in head orientation with respect to the gravitational vertical. These graviceptors also transduce transient linear acceleration generated by translational head motion and centripetal acceleration during rotation about a distant axis. When individuals are rotated at a constant velocity in a centrifuge, they sense the direction of the summed gravitational and centripetal acceleration as the vertical in the steady state. Consequently they experience a roll-tilt of the body when upright and oriented either left-ear-out or right-ear-out. This perception of tilt has been called the somatogravic illusion. Under the microgravity, the graviceptors no longer respond during static tilt of the head or head and body, but they are still activated by linear acceleration. Adaptation to weightlessness early in space flight has been proposed to entail a reinterpretation of the signals from the graviceptors (primarily the otolith organs), so that on return to Earth pitch or roll of the head with respect to the vertical is sensed as fore-aft or left-right translation. In this article, formulation of the spatial orientation on the earth and under microgravity was described.

  4. The EC and the Labour Market Oriented Vocational Training Policies of the European Regions: Examples and Evaluations. Results of the CEDEFOP Project "Vocational Training and Regional Development." CEDEFOP Flash 3/89.

    ERIC Educational Resources Information Center

    Derenbach, Rolf

    1989-01-01

    This summary of the plans for additional research in the project called "Vocational Training and Regional Development" lists the following aspects and criteria of the common evaluation approach: regional framework conditions, program structure, organizational features, pedagogical approach, and procedure in evaluating the success of the program.…

  5. PROGRAM-ORIENTED INFORMATION--A MANAGEMENT SYSTEMS COMPLEX FOR STATE EDUCATION AGENCIES. PART I, ANALYSIS AND PROPOSALS. INTERIM REPORT ON A COLLABORATIVE PROJECT "TENTATIVE GUIDES FOR A STATE EDUCATION AGENCY FISCAL, PERSONNEL, AND PROGRAM INFORMATION SYSTEM."

    ERIC Educational Resources Information Center

    FRIEDMAN, BURTON DEAN; AND OTHERS

    THIS DOCUMENT IS THE RESULT OF A PROJECT TO CONCEIVE AND ESTABLISH AN INFORMATION SYSTEM FOR FINANCIAL, PERSONNEL, AND PROGRAM ACCOUNTING OF STATE EDUCATION AGENCIES' TOTAL INTERNAL OPERATION. SUCH SYSTEMS ARE DEEMED NECESSARY NOW THAT THE AGENCIES' OPERATIONS ARE STRONGLY AFFECTED BY FEDERAL PROGRAMS AND FUNDS AND ARE THUS A MATTER OF NATIONWIDE…

  6. Curriculum Orientations of Virtual Teachers

    ERIC Educational Resources Information Center

    Singleton, Nicole Y.

    2013-01-01

    This study explored the curriculum orientation preferences of K-12 public school teachers who provided instruction in virtual settings (n = 47) in a midwestern state. Curriculum orientations were explored using a mixed-methods design. Quantitative assessments data revealed a pattern of curriculum orientations similar to teachers working in…

  7. Training for DD Council Orientation.

    ERIC Educational Resources Information Center

    Paul, James, Ed.; And Others

    Provided for Developmental Disabilities Councils is a resource handbook on planning orientation training for council members. The material, including three major presentations on orientation planning, advocacy, and orientation principles, is explained to be drawn from three 1975 regional conferences. Among training techniques analyzed are use of a…

  8. Orienteering for Sport and Pleasure.

    ERIC Educational Resources Information Center

    Bengtsson, Hans; Atkinson, George

    This text presents the principles of the sport of orienteering (navigating through an unknown area using a map and compass as guide) and is useful to beginners, experienced orienteers, and "armchair" orienteers. Included in the text are: (1) a glossary of key words; (2) a basic introduction to, and history of, the sport; (3) description of the…

  9. Sensor Localization from Distance and Orientation Constraints

    PubMed Central

    Porta, Josep M.; Rull, Aleix; Thomas, Federico

    2016-01-01

    The sensor localization problem can be formalized using distance and orientation constraints, typically in 3D. Local methods can be used to refine an initial location estimation, but in many cases such estimation is not available and a method able to determine all the feasible solutions from scratch is necessary. Unfortunately, existing methods able to find all the solutions in distance space can not take into account orientations, or they can only deal with one- or two-dimensional problems and their extension to 3D is troublesome. This paper presents a method that addresses these issues. The proposed approach iteratively projects the problem to decrease its dimension, then reduces the ranges of the variable distances, and back-projects the result to the original dimension, to obtain a tighter approximation of the feasible sensor locations. This paper extends previous works introducing accurate range reduction procedures which effectively integrate the orientation constraints. The mutual localization of a fleet of robots carrying sensors and the position analysis of a sensor moved by a parallel manipulator are used to validate the approach. PMID:27428977

  10. Sensor Localization from Distance and Orientation Constraints.

    PubMed

    Porta, Josep M; Rull, Aleix; Thomas, Federico

    2016-01-01

    The sensor localization problem can be formalized using distance and orientation constraints, typically in 3D. Local methods can be used to refine an initial location estimation, but in many cases such estimation is not available and a method able to determine all the feasible solutions from scratch is necessary. Unfortunately, existing methods able to find all the solutions in distance space can not take into account orientations, or they can only deal with one- or two-dimensional problems and their extension to 3D is troublesome. This paper presents a method that addresses these issues. The proposed approach iteratively projects the problem to decrease its dimension, then reduces the ranges of the variable distances, and back-projects the result to the original dimension, to obtain a tighter approximation of the feasible sensor locations. This paper extends previous works introducing accurate range reduction procedures which effectively integrate the orientation constraints. The mutual localization of a fleet of robots carrying sensors and the position analysis of a sensor moved by a parallel manipulator are used to validate the approach. PMID:27428977

  11. Sensor Localization from Distance and Orientation Constraints.

    PubMed

    Porta, Josep M; Rull, Aleix; Thomas, Federico

    2016-01-01

    The sensor localization problem can be formalized using distance and orientation constraints, typically in 3D. Local methods can be used to refine an initial location estimation, but in many cases such estimation is not available and a method able to determine all the feasible solutions from scratch is necessary. Unfortunately, existing methods able to find all the solutions in distance space can not take into account orientations, or they can only deal with one- or two-dimensional problems and their extension to 3D is troublesome. This paper presents a method that addresses these issues. The proposed approach iteratively projects the problem to decrease its dimension, then reduces the ranges of the variable distances, and back-projects the result to the original dimension, to obtain a tighter approximation of the feasible sensor locations. This paper extends previous works introducing accurate range reduction procedures which effectively integrate the orientation constraints. The mutual localization of a fleet of robots carrying sensors and the position analysis of a sensor moved by a parallel manipulator are used to validate the approach.

  12. A Configurable, Object-Oriented, Transportation System Software Framework

    SciTech Connect

    KELLY,SUZANNE M.; MYRE,JOHN W.; PRICE,MARK H.; RUSSELL,ERIC D.; SCOTT,DAN W.

    2000-08-01

    The Transportation Surety Center, 6300, has been conducting continuing research into and development of information systems for the Configurable Transportation Security and Information Management System (CTSS) project, an Object-Oriented Framework approach that uses Component-Based Software Development to facilitate rapid deployment of new systems while improving software cost containment, development reliability, compatibility, and extensibility. The direction has been to develop a Fleet Management System (FMS) framework using object-oriented technology. The goal for the current development is to provide a software and hardware environment that will demonstrate and support object-oriented development commonly in the FMS Central Command Center and Vehicle domains.

  13. An end-users oriented methodology for enhancing the integration of knowledge on soil-water-sediment systems in River Basin Management: an illustration from the AquaTerra project.

    PubMed

    Merly, Corinne; Chapman, Antony; Mouvet, Christophe

    2012-01-01

    Research results in environmental and socio-economic sciences are often under-used by stakeholders involved in the management of natural resources. To minimise this gap, the FP6 EU interdisciplinary project AquaTerra (AT) developed an end-users' integration methodology in order to ensure that the data, knowledge and tools related to the soil-water-sediment system that were generated by the project were delivered in a meaningful way for end-users, thus improving their uptake. The methodology and examples of its application are presented in this paper. From the 408 project deliverables, 96 key findings were identified, 53 related to data and knowledge, and 43 describing advanced tools. River Basin Management (RBM) stakeholders workshops identified 8 main RBM issues and 25 specific stakeholders' questions related to RBM which were classified into seven groups of cross-cutting issues, namely scale, climate change, non-climatic change, the need for systemic approaches, communication and participation, international and inter-basin coordination and collaboration, and the implementation of the Water Framework Directive. The integration methodology enabled an assessment of how AT key findings meet stakeholders' demands, and for each main RBM issue and for each specific question, described the added-value of the AT project in terms of knowledge and tools generated, key parameters to consider, and recommendations that can be made to stakeholders and the wider scientific community. Added value and limitations of the integration methodology and its outcomes are discussed and recommendations are provided to further improve integration methodology and bridge the gaps between scientific research data and their potential uptake by end-users.

  14. Nonlinear dynamics of cell orientation

    NASA Astrophysics Data System (ADS)

    Safran, S. A.; de, Rumi

    2009-12-01

    The nonlinear dependence of cellular orientation on an external, time-varying stress field determines the distribution of orientations in the presence of noise and the characteristic time, τc , for the cell to reach its steady-state orientation. The short, local cytoskeletal relaxation time distinguishes between high-frequency (nearly perpendicular) and low-frequency (random or parallel) orientations. However, τc is determined by the much longer, orientational relaxation time. This behavior is related to experiments for which we predict the angle and characteristic time as a function of frequency.

  15. Representation of orientation distributions

    SciTech Connect

    Wenk, H.R.; Kocks, U.F.

    1985-01-01

    This paper illustrates the principles presented with a particular experimental texture: from the surface layer of a copper polycrystal cold-rolled to 60% reduction in thickness. Four incomplete pole figures (200, 220, 222, and 113) were determined by x-ray diffraction in reflection geometry. The measured pole figures nearly exhibited orthorhombic symmetry (as expected), which was then strictly enforced by averaging the four quadrants of the pole figure. The orientation distribution function was obtained using the expansion in spherical harmonics (with only even-order coefficients up to l = 18).

  16. Considering Object Oriented Technology in Aviation Applications

    NASA Technical Reports Server (NTRS)

    Hayhurst, Kelly J.; Holloway, C. Michael

    2003-01-01

    Few developers of commercial aviation software products are using object-oriented technology (OOT), despite its popularity in some other industries. Safety concerns about using OOT in critical applications, uncertainty about how to comply with regulatory requirements, and basic conservatism within the aviation community have been factors behind this caution. The Federal Aviation Administration (FAA) and the National Aeronautics and Space Administration (NASA) have sponsored research to investigate and workshops to discuss safety and certification concerns about OOT and to develop recommendations for safe use. Two Object Oriented Technology in Aviation (OOTiA) workshops have been held and numerous issues and comments about the effect of OOT features and languages have been collected. This paper gives a high level overview of the OOTiA project, and discusses selected specific results from the March 2003 workshop. In particular, results in the form of questions to consider before making the decision to use OOT are presented.

  17. Reuse Metrics for Object Oriented Software

    NASA Technical Reports Server (NTRS)

    Bieman, James M.

    1998-01-01

    One way to increase the quality of software products and the productivity of software development is to reuse existing software components when building new software systems. In order to monitor improvements in reuse, the level of reuse must be measured. In this NASA supported project we (1) derived a suite of metrics which quantify reuse attributes for object oriented, object based, and procedural software, (2) designed prototype tools to take these measurements in Ada, C++, Java, and C software, (3) evaluated the reuse in available software, (4) analyzed the relationship between coupling, cohesion, inheritance, and reuse, (5) collected object oriented software systems for our empirical analyses, and (6) developed quantitative criteria and methods for restructuring software to improve reusability.

  18. Gravity and the orientation of cell division

    NASA Technical Reports Server (NTRS)

    Helmstetter, C. E.

    1997-01-01

    A novel culture system for mammalian cells was used to investigate division orientations in populations of Chinese hamster ovary cells and the influence of gravity on the positioning of division axes. The cells were tethered to adhesive sites, smaller in diameter than a newborn cell, distributed over a nonadhesive substrate positioned vertically. The cells grew and divided while attached to the sites, and the angles and directions of elongation during anaphase, projected in the vertical plane, were found to be random with respect to gravity. However, consecutive divisions of individual cells were generally along the same axis or at 90 degrees to the previous division, with equal probability. Thus, successive divisions were restricted to orthogonal planes, but the choice of plane appeared to be random, unlike the ordered sequence of cleavage orientations seen during early embryo development.

  19. Object Oriented Risk Analysis Workshop

    NASA Astrophysics Data System (ADS)

    Pons, M. Güell I.; Jaboyedoff, M.

    2009-04-01

    In the framework of the RISET Project (Interfaculty Network of Support to Education and Technology) an educational tool for introducing risk analysis has been developed. This workshop enables to carry a group of students (role-play game) through a step-by-step process of risk identification and quantification. The aim is to assess risk in a characteristic alpine village regarding natural hazards (rockfall, snow avalanche, flooding…) and is oriented to affected objects such as buildings, infrastructures... The workshop contains the following steps: 1.- Planning of the study and definition of stakeholders 2.- Hazard identification 3.- Risk analysis 4.- Risk assessment 5.- Proposition of mitigation measures 6- Risk management and cost-benefit analysis. During the process, information related to past events and useful concepts are provided in order to bring up discussion and decision making. The Risk Matrix and other graphical tools allow having a visual representation of the risk level and help to prioritize counter measures. At the end of the workshop, there is the possibility to compare the results between different groups and print out a summarizing report. This approach provides a rapid and comprehensible risk evaluation. The workshop is accessible from the internet and will be used for educational purposes at bachelor and master level as well as for external persons dealing with risk analysis.

  20. Virtual Project Rooms for Education in Engineering

    ERIC Educational Resources Information Center

    van Vliet, Rudolf G.; Roeling, Monika M.; de Graaff, Rick; Pilot, Albert

    2004-01-01

    Virtual project rooms (VPRs) may support collaborative project-based learning groups by facilitating project management, documentation and communication. In this study a set of experiments was carried out at Eindhoven University of Technology using the MS Outlook/Exchange software as a groupware platform for design-oriented group projects. The…

  1. Design oriented structural analysis

    NASA Technical Reports Server (NTRS)

    Giles, Gary L.

    1994-01-01

    Desirable characteristics and benefits of design oriented analysis methods are described and illustrated by presenting a synoptic description of the development and uses of the Equivalent Laminated Plate Solution (ELAPS) computer code. ELAPS is a design oriented structural analysis method which is intended for use in the early design of aircraft wing structures. Model preparation is minimized by using a few large plate segments to model the wing box structure. Computational efficiency is achieved by using a limited number of global displacement functions that encompass all segments over the wing planform. Coupling with other codes is facilitated since the output quantities such as deflections and stresses are calculated as continuous functions over the plate segments. Various aspects of the ELAPS development are discussed including the analytical formulation, verification of results by comparison with finite element analysis results, coupling with other codes, and calculation of sensitivity derivatives. The effectiveness of ELAPS for multidisciplinary design application is illustrated by describing its use in design studies of high speed civil transport wing structures.

  2. Optimum orientation versus orientation averaging description of cluster radioactivity

    NASA Astrophysics Data System (ADS)

    Seif, W. M.; Ismail, M.; Refaie, A. I.; Amer, Laila H.

    2016-07-01

    While the optimum-orientation concept is frequently used in studies on cluster decays involving deformed nuclei, the orientation-averaging concept is used in most alpha decay studies. We investigate the different decay stages in both the optimum-orientation and the orientation-averaging pictures of the cluster decay process. For decays of 232,233,234U and 236,238Pu isotopes, the quantum knocking frequency and penetration probability based on the Wentzel–Kramers–Brillouin approximation are used to find the decay width. The obtained decay width and the experimental half-life are employed to estimate the clusters preformation probability. We found that the orientation-averaged decay width is one or two orders of magnitude less than its value along the non-compact optimum orientation. Correspondingly, the extracted preformation probability based on the averaged decay width increases with the same orders of magnitude compared to its value obtained considering the optimum orientation. The cluster preformation probabilities estimated by the two considered schemes are in more or less comparable agreement with the Blendowske–Walliser (BW) formula based on the preformation probability of α ({S}α {{a}{{v}}{{e}}}) obtained from the orientation-averaging scheme. All the results, including the optimum-orientation ones, deviate substantially from the BW law based on {S}α {{o}{{p}}{{t}}} that was estimated from the optimum-orientation scheme. To account for the nuclear deformations, it is more relevant to calculate the decay width by averaging over the different possible orientations of the participating deformed nuclei, rather than considering the corresponding non-compact optimum orientation.

  3. Optimum orientation versus orientation averaging description of cluster radioactivity

    NASA Astrophysics Data System (ADS)

    Seif, W. M.; Ismail, M.; Refaie, A. I.; Amer, Laila H.

    2016-07-01

    While the optimum-orientation concept is frequently used in studies on cluster decays involving deformed nuclei, the orientation-averaging concept is used in most alpha decay studies. We investigate the different decay stages in both the optimum-orientation and the orientation-averaging pictures of the cluster decay process. For decays of 232,233,234U and 236,238Pu isotopes, the quantum knocking frequency and penetration probability based on the Wentzel-Kramers-Brillouin approximation are used to find the decay width. The obtained decay width and the experimental half-life are employed to estimate the clusters preformation probability. We found that the orientation-averaged decay width is one or two orders of magnitude less than its value along the non-compact optimum orientation. Correspondingly, the extracted preformation probability based on the averaged decay width increases with the same orders of magnitude compared to its value obtained considering the optimum orientation. The cluster preformation probabilities estimated by the two considered schemes are in more or less comparable agreement with the Blendowske-Walliser (BW) formula based on the preformation probability of α ({S}α {{a}{{v}}{{e}}}) obtained from the orientation-averaging scheme. All the results, including the optimum-orientation ones, deviate substantially from the BW law based on {S}α {{o}{{p}}{{t}}} that was estimated from the optimum-orientation scheme. To account for the nuclear deformations, it is more relevant to calculate the decay width by averaging over the different possible orientations of the participating deformed nuclei, rather than considering the corresponding non-compact optimum orientation.

  4. Spiritually oriented psychodynamic psychotherapy.

    PubMed

    Shafranske, Edward P

    2009-02-01

    Spiritually oriented psychodynamic psychotherapy pays particular attention to the roles that religious and spiritual beliefs, practices, and experiences play in the psychological life of the client. Contemporary psychoanalytic theorists offer multiple approaches to understand the functions of religious experience. Spirituality provides a means to address existential issues and provide a context to form personal meaning. Religious narratives present schemas of relationship and models of experiences salient to mental health, such as hope. God images or other symbolic representations of the transcendent have the power to evoke emotions, which in turn, influence motivation and behavior. While employing theories and techniques derived from psychodynamic psychotherapy, this therapeutic approach encourages the analysis of the functions religion and spirituality serve, while respecting the client's act of believing in faith. Psychotherapists address a client's spirituality by exploring the psychological meaning of such personal commitments and experiences and refrain from entering into discussion of faith claims.

  5. [Market oriented occupational medicine].

    PubMed

    Rurik, Imre; Cseh, Károly

    2012-09-01

    The history and the recent state of occupational medicine in Hungary, and its relation with governmental labor organizations are analyzed. In the past 20 years, large "socialist" factories were replaced by smaller companies employing fewer workers. They have been forced to establish contract with occupational health providers. Many of them offer primary care services, whereas family physicians having a board examination in occupational medicine are allowed to work in this field as well. The market of occupational medicine is less regulated, and ethical rules are not always considered. Undercutting prices is a common practice. The recent system could be improved by some regulations which should be respected. There is no reason to make rough changes establishing a new market for profit oriented insurance companies, and to allow employees and employers to work without specification neglecting international agreements. Occupational medicine should be supervised again by the health authorities instead of economists who have quite different, short-term priorities. PMID:22951411

  6. Oriental mystery: ginseng

    SciTech Connect

    Yun, T.K.; Cho, H.O.; Yun, Y.S.

    1985-01-01

    As a mysterious cure-all medicine Korea ginseng has been, since four or five thousand years ago, used as a tonic in the orient. Ginseng has been known to have a tonic effect and it is the general opinion of many investigators that ginseng has the effect of normalization of physical conditions, that is; maintaining individual homeostasis. On the other hand, the authors have found that ginseng extract inhibits the incidence and also the proliferation of tumors induced by carcinogens such as urethane, DMBA and aflatoxin B. The anticarcinogenic effect of ginseng was due to its ability to enhance the natural killer activity of the host. Korea ginseng is highly effective in preventing or curing various disease such as diabetes, cancer, high blood pressure, etc.

  7. Understanding Oriental Medicine Using a Systems Approach

    PubMed Central

    Kim, Jong Yeol; Pham, Duong Duc

    2011-01-01

    Two international meetings, the International Physiome Symposium 2008 and the Workshop on Systems Biology (SB) and Oriental Medicine (OM), were held to discuss the most appropriate scientific tools to research OM. Participants agreed that since OM is holistic medicine it needs a systems approach such as SB. However, SB itself is still a long way from identifying the high-level organization processes in the biological system that might correlate with concepts in OM. As such, a modest goal of launching a project to examine the problems of translation and interpretation of OM concepts would be the first step. PMID:19403789

  8. Ontology-Oriented Programming for Biomedical Informatics.

    PubMed

    Lamy, Jean-Baptiste

    2016-01-01

    Ontologies are now widely used in the biomedical domain. However, it is difficult to manipulate ontologies in a computer program and, consequently, it is not easy to integrate ontologies with databases or websites. Two main approaches have been proposed for accessing ontologies in a computer program: traditional API (Application Programming Interface) and ontology-oriented programming, either static or dynamic. In this paper, we will review these approaches and discuss their appropriateness for biomedical ontologies. We will also present an experience feedback about the integration of an ontology in a computer software during the VIIIP research project. Finally, we will present OwlReady, the solution we developed. PMID:27071878

  9. Ontology-Oriented Programming for Biomedical Informatics.

    PubMed

    Lamy, Jean-Baptiste

    2016-01-01

    Ontologies are now widely used in the biomedical domain. However, it is difficult to manipulate ontologies in a computer program and, consequently, it is not easy to integrate ontologies with databases or websites. Two main approaches have been proposed for accessing ontologies in a computer program: traditional API (Application Programming Interface) and ontology-oriented programming, either static or dynamic. In this paper, we will review these approaches and discuss their appropriateness for biomedical ontologies. We will also present an experience feedback about the integration of an ontology in a computer software during the VIIIP research project. Finally, we will present OwlReady, the solution we developed.

  10. Towards AN Easier Orientation for Spherical Photogrammetry

    NASA Astrophysics Data System (ADS)

    Fangi, G.

    2015-02-01

    For architectural metric documentation, Spherical Photogrammetry (SP) has demonstrated its validity and efficiency in many projects already. The speed of surveying is high, the accuracy and completeness of the plotting are satisfactory. However, there are still many problems to be solved. The weakest point is the orientation procedure, which is rather difficult to perform, in the sense that only very experienced people can run it, and few people only make use of it. The old orientation steps are 1) model formation (limited to binocular panoramas couples); 2) link of all the models in a block adjustment with independent model triangulation; 3) block bundle adjustment with 4 parameters/pano (3 coord.+1 orientation bearing); 4) block bundle adjustment with 6 parameters/pano, say the previous 4 + 2 correction angles around the horizontal axes. The panoramas must be spherical and quasi-horizontal. In order to make easier the orientation, enabling more people to use SP, an improved approach has been set up. It consists in the combination of any possible model formed either by three and two panoramas. The trinocular vision, say the combination of three different panoramas to form a unique model, has the advantage to be much more robust in comparison to binocular vision in the sense that the trinocular model is likely to be more error-free than any of the three composing binocular models. It contains less model deformation, the model coordinates are validated by the mutual comparison of the three intersecting binocular models. In addition, the number of possible trinocular models is normally much larger than the one of binocular models. The steps for a semi-automatic orientation of a block of panoramas proceed as follows: - Form any possible trinocular models by combination of the panoramas; - in case that no trinocular model has been formed, form any possible binocular model; - run a block adjustment with the algorithm of independent model, to link together the models in

  11. Orientation filtering for crystalline films

    DOEpatents

    Smith, H.I.; Atwater, H.A.; Thompson, C.V.; Geis, M.W.

    1986-12-30

    A substrate is coated with a film to be recrystallized. A pattern of crystallization barriers is created in the film, for example, by etching voids in the film. An encapsulation layer is generally applied to protect the film, fill the voids and otherwise enhance a recrystallization process. Recrystallization is carried out such that certain orientations pass preferentially through the barrier, generally as a result of growth-velocity anisotropy. The result is a film of a specific predetermined crystallographic orientation, a range of orientations or a set of discrete orientations. 7 figs.

  12. Orientation filtering for crystalline films

    DOEpatents

    Smith, Henry I.; Atwater, Harry A.; Thompson, Carl V.; Geis, Michael W.

    1986-12-30

    A substrate is coated with a film to be recrystallized. A pattern of crystallization barriers is created in the film, for example, by etching voids in the film. An encapsulation layer is generally applied to protect the film, fill the voids and otherwise enhance a recrystallization process. Recrystallization is carried out such that certain orientations pass preferentially through the barrier, generally as a result of growth-velocity anisotropy. The result is a film of a specific predetermined crystallographic orientation, a range of orientations or a set of discrete orientations.

  13. Oriental magic mirrors and the Laplacian image

    NASA Astrophysics Data System (ADS)

    Berry, M. V.

    2006-01-01

    The pattern embossed on the back of an oriental magic mirror appears in the patch of light projected onto a screen from its apparently featureless reflecting surface. In reality, the embossed pattern is reproduced in low relief on the front, and analysis shows that the projected image results from pre-focal ray deviation. In this interesting regime of geometrical optics, the image intensity is given simply by the Laplacian of the height function of the relief. For patterns consisting of steps, this predicts a characteristic effect, confirmed by observation: the image of each step exhibits a bright line on the low side and a dark line on the high side. Laplacian-image analysis of a magic-mirror image indicates that steps on the reflecting surface are about 400 nm high and laterally smoothed by about 0.5 mm.

  14. Determination of Earth orientation using the Global Positioning System

    NASA Technical Reports Server (NTRS)

    Freedman, A. P.

    1989-01-01

    Modern spacecraft tracking and navigation require highly accurate Earth-orientation parameters. For near-real-time applications, errors in these quantities and their extrapolated values are a significant error source. A globally distributed network of high-precision receivers observing the full Global Positioning System (GPS) configuration of 18 or more satellites may be an efficient and economical method for the rapid determination of short-term variations in Earth orientation. A covariance analysis using the JPL Orbit Analysis and Simulation Software (OASIS) was performed to evaluate the errors associated with GPS measurements of Earth orientation. These GPS measurements appear to be highly competitive with those from other techniques and can potentially yield frequent and reliable centimeter-level Earth-orientation information while simultaneously allowing the oversubscribed Deep Space Network (DSN) antennas to be used more for direct project support.

  15. Crystal orientations in nacreous layers of organic-inorganic biocomposites

    SciTech Connect

    Lee, Seung Woo

    2009-09-15

    Abalone shell comprises a bio-composite material, combining the properties of inorganic calcite intergrown with organic nacre. This paper reports about the microstructure of this composite. By examining the Kikuchi patterns obtained for nacre (Haliotis discus hannai) using transmission electron microscopy, we have shown that the tiles within nacre have specific orientations. The stereographic projection spheres for the tiles of nacre can be divided into two main types, namely a right oriented region and a left oriented region with respect to the c axis as a reference plane (001). The cluster character of nacre can be explained in terms of the growth mechanism of the 'Christmas tree' pattern. The orientation of the c-axis in the nacreous layer is elucidated for the first time. We demonstrate the use of the soluble protein obtained from the tiles of nacre in in vitro calcium carbonate crystallization.

  16. Approach for Improving the Integrated Sensor Orientation

    NASA Astrophysics Data System (ADS)

    Mitishita, E.; Ercolin Filho, L.; Graça, N.; Centeno, J.

    2016-06-01

    The direct determination of exterior orientation parameters (EOP) of aerial images via integration of the Inertial Measurement Unit (IMU) and GPS is often used in photogrammetric mapping nowadays. The accuracies of the EOP depend on the accurate parameters related to sensors mounting when the job is performed (offsets of the IMU relative to the projection centre and the angles of boresigth misalignment between the IMU and the photogrammetric coordinate system). In principle, when the EOP values do not achieve the required accuracies for the photogrammetric application, the approach, known as Integrated Sensor Orientation (ISO), is used to refine the direct EOP. ISO approach requires accurate Interior Orientation Parameters (IOP) and standard deviation of the EOP under flight condition. This paper investigates the feasibility of use the in situ camera calibration to obtain these requirements. The camera calibration uses a small sub block of images, extracted from the entire block. A digital Vexcel UltraCam XP camera connected to APPLANIX POS AVTM system was used to get two small blocks of images that were use in this study. The blocks have different flight heights and opposite flight directions. The proposed methodology improved significantly the vertical and horizontal accuracies of the 3D point intersection. Using a minimum set of control points, the horizontal and vertical accuracies achieved nearly one image pixel of resolution on the ground (GSD). The experimental results are shown and discussed.

  17. Fragment oriented molecular shapes.

    PubMed

    Hain, Ethan; Camacho, Carlos J; Koes, David Ryan

    2016-05-01

    Molecular shape is an important concept in drug design and virtual screening. Shape similarity typically uses either alignment methods, which dynamically optimize molecular poses with respect to the query molecular shape, or feature vector methods, which are computationally less demanding but less accurate. The computational cost of alignment can be reduced by pre-aligning shapes, as is done with the Volumetric-Aligned Molecular Shapes (VAMS) method. Here, we introduce and evaluate fragment oriented molecular shapes (FOMS), where shapes are aligned based on molecular fragments. FOMS enables the use of shape constraints, a novel method for precisely specifying molecular shape queries that provides the ability to perform partial shape matching and supports search algorithms that function on an interactive time scale. When evaluated using the challenging Maximum Unbiased Validation dataset, shape constraints were able to extract significantly enriched subsets of compounds for the majority of targets, and FOMS matched or exceeded the performance of both VAMS and an optimizing alignment method of shape similarity search. PMID:27085751

  18. An Innovative Model for Training Orientation and Mobility Assistants.

    ERIC Educational Resources Information Center

    Wiener, W. R.

    1993-01-01

    A model was developed to prepare specialists in orientation and mobility (O&M) who work with people with visual impairments, with the specialists in turn training and supervising O&M assistants. The project developed curriculum guidelines, training methods, a national workshop, and regional seminars. (DB)

  19. The Sound of Silence: Talking about Sexual Orientation and Schooling

    ERIC Educational Resources Information Center

    DePalma, Renee; Atkinson, Elizabeth

    2006-01-01

    This paper arises from an online discussion project in the United Kingdom, funded by the Nuffield Foundation, in which higher education students and staff were invited to respond to a series of statements about sexual orientation in the context of schooling. This paper suggests that the silence of relative non-participation may have been…

  20. Learning the Electric Field Concept as Oriented Research Activity

    ERIC Educational Resources Information Center

    Furio, C.; Guisasola, J.; Almudi, J. M.; Ceberio, M.

    2003-01-01

    This work is grounded in a constructivistic conception of the learning of science, more particularly on the model known as teaching-learning as oriented research. In accordance with this theoretical basis we have developed an empirical research project to investigate the teaching of electrostatics in high schools. The designs developed have…

  1. Forward-Oriented Design for Learning: Illustrating the Approach

    ERIC Educational Resources Information Center

    Dimitriadis, Yannis; Goodyear, Peter

    2013-01-01

    This paper concerns sustainable approaches to design for learning, emphasising the need for designs to be able to thrive outside of the protective niches of project-based innovation. It builds on the "in medias res" framework and more specifically on a forward-oriented approach to design for learning: one that takes a pro-active design…

  2. A Critical Orientation to Numeracy across the Curriculum

    ERIC Educational Resources Information Center

    Geiger, Vince; Forgasz, Helen; Goos, Merrilyn

    2015-01-01

    Numeracy is a fundamental component of the Australian Curriculum as a General Capability in each subject. Here, we report on an aspect of a larger project that aims to provide insight into how teachers can assist their students to develop a critical orientation to life-related situations through a cross-curricular approach to numeracy.…

  3. Orientation-crowding within contours.

    PubMed

    Glen, James C; Dakin, Steven C

    2013-01-01

    We examined how crowding (the breakdown of object recognition in the periphery caused by interference from "clutter") depends on the global arrangement of target and distracting flanker elements. Specifically we probed orientation discrimination using a near-vertical target Gabor flanked by two vertical distractor Gabors (one above and one below the target). By applying variable (opposite-sign) horizontal offsets to the positions of the two flankers we arranged the elements so that on some trials they formed contours with the target and on others they did not. While the presence of flankers generally elevated orientation discrimination thresholds for the target we observe maximal crowding not when flanker and targets were co-aligned but when a small spatial offset was applied to flanker location, so that contours formed between flanker and targets only when the target orientation was cued. We also report that observers' orientation judgments are biased, with target orientation appearing either attracted or repulsed by the global/contour orientation. A second experiment reveals that the sign of this effect is dependent both on observer and on eccentricity. In general, the magnitude of repulsion is reduced with eccentricity but whether this becomes attraction (of element orientation to contour orientation) is dependent on observer. We note however that across observers and eccentricities, the magnitude of repulsion correlates positively with the amount of release from crowding observed with co-aligned targets and flankers, supporting the notion of fluctuating bias as the basis for elevated crowding within contours. PMID:23857951

  4. AFS Orientation Handbook. Volume IV.

    ERIC Educational Resources Information Center

    Zaremba, Mary Ann; And Others

    This handbook is intended for use by all who design, plan, and lead orientation and cross-cultural training sessions for American Field Service students, natural and host families, and volunteers. It features orientation and training resources originating in Venezuela, France, Italy, Denmark, Canada, Argentina, Japan, Portugal, Germany, and the…

  5. The Vocationally-Oriented Reader.

    ERIC Educational Resources Information Center

    Schewe, Douglas H.

    The development of American vocational education has evolved to a well-defined program of a practical orientation that has led the vocationally oriented students to define his goal so narrowly that no room is left for reading skills needed in coping with the burgeoning changes and innovations of modern business and industry. The first goal of…

  6. Age Stratification and Value Orientations.

    ERIC Educational Resources Information Center

    Youmans, E. Grant

    Value orientations of members of younger and older age strata in 2 subcultural systems--one urban and one rural--are examined. The author looks at age stratification in a vertical sense (i.e., assessing differences existing between members of younger and older age strata), as well as in a horizontal sense (i.e., comparing the value orientations of…

  7. Industrial Technology Orientation Curriculum Guide.

    ERIC Educational Resources Information Center

    Illinois State Board of Education, Springfield. Dept. of Adult, Vocational and Technical Education.

    The four courses in this guide were designed to meet the specifications for the career orientation level of Illinois' Education for Employment Curriculum Model. These orientation-level courses can be taken by high school students in any sequence: (1) communication technology; (2) energy utilization technology; (3) production technology; and (4)…

  8. Assessing New Employee Orientation Programs

    ERIC Educational Resources Information Center

    Acevedo, Jose M.; Yancey, George B.

    2011-01-01

    Purpose: This paper aims to examine the importance of new employee orientation (NEO) programs, the quality of typical NEOs, and how to improve NEOs. Design/methodology/approach: The paper provides a viewpoint of the importance of new employee orientation programs, the quality of typical NEOs, and how to improve NEOs. Findings: Although western…

  9. Concentration of Swiss Elite Orienteers.

    ERIC Educational Resources Information Center

    Seiler, Roland; Wetzel, Jorg

    1997-01-01

    A visual discrimination task was used to measure concentration among 43 members of Swiss national orienteering teams. Subjects were above average in the number of target objects dealt with and in duration of continuous concentration. For females only, ranking in orienteering performance was related to quality of concentration (ratio of correct to…

  10. Faculty Orientation in Community Colleges.

    ERIC Educational Resources Information Center

    Wenrich, J. William; Eakin, J. David

    1978-01-01

    Describes a model for new faculty orientation tried experimentally at Canada College (California) in which each new full-time faculty member was given 20 percent released time, the equivalent of one course of the typical workload of five, to participate in a self-paced, individualized orientation program. An appendix specifies the required…

  11. Processing orientation and emotion recognition.

    PubMed

    Martin, Douglas; Slessor, Gillian; Allen, Roy; Phillips, Louise H; Darling, Stephen

    2012-02-01

    There is evidence that some emotional expressions are characterized by diagnostic cues from individual face features. For example, an upturned mouth is indicative of happiness, whereas a furrowed brow is associated with anger. The current investigation explored whether motivating people to perceive stimuli in a local (i.e., feature-based) rather than global (i.e., holistic) processing orientation was advantageous for recognizing emotional facial expressions. Participants classified emotional faces while primed with local and global processing orientations, via a Navon letter task. Contrary to previous findings for identity recognition, the current findings are indicative of a modest advantage for face emotion recognition under conditions of local processing orientation. When primed with a local processing orientation, participants performed both significantly faster and more accurately on an emotion recognition task than when they were primed with a global processing orientation. The impacts of this finding for theories of emotion recognition and face processing are considered. PMID:21842989

  12. Strong orientational coordinates and orientational order parameters for symmetric objects

    NASA Astrophysics Data System (ADS)

    Haji-Akbari, Amir; Glotzer, Sharon C.

    2015-12-01

    Recent advancements in the synthesis of anisotropic macromolecules and nanoparticles have spurred an immense interest in theoretical and computational studies of self-assembly. The cornerstone of such studies is the role of shape in self-assembly and in inducing complex order. The problem of identifying different types of order that can emerge in such systems can, however, be challenging. Here, we revisit the problem of quantifying orientational order in systems of building blocks with non-trivial rotational symmetries. We first propose a systematic way of constructing orientational coordinates for such symmetric building blocks. We call the arising tensorial coordinates strong orientational coordinates (SOCs) as they fully and exclusively specify the orientation of a symmetric object. We then use SOCs to describe and quantify local and global orientational order, and spatiotemporal orientational correlations in systems of symmetric building blocks. The SOCs and the orientational order parameters developed in this work are not only useful in performing and analyzing computer simulations of symmetric molecules or particles, but can also be utilized for the efficient storage of rotational information in long trajectories of evolving many-body systems.

  13. Project Integration Architecture: Application Architecture

    NASA Technical Reports Server (NTRS)

    Jones, William Henry

    2005-01-01

    The Project Integration Architecture (PIA) implements a flexible, object-oriented, wrapping architecture which encapsulates all of the information associated with engineering applications. The architecture allows the progress of a project to be tracked and documented in its entirety. Additionally, by bringing all of the information sources and sinks of a project into a single architectural space, the ability to transport information between those applications is enabled.

  14. Acoustic positioning and orientation prediction

    NASA Astrophysics Data System (ADS)

    Barmatz, Martin B.; Aveni, Glenn; Putterman, Seth; Rudnick, Joseph

    1990-10-01

    A method is described for use with an acoustic positioner, which enables a determination of the equilibrium position and orientation which an object assumes in a zero gravity environment, as well as restoring forces and torques of an object in an acoustic standing wave field. An acoustic standing wave field is established in the chamber, and the object is held at several different positions near the expected equilibrium position. While the object is held at each position, the center resonant frequency of the chamber is determined, by noting which frequency results in the greatest pressure of the acoustic field. The object position which results in the lowest center resonant frequency is the equilibrium position. The orientation of a nonspherical object is similarly determined, by holding the object in a plurality of different orientations at its equilibrium position, and noting the center resonant frequency for each orientation. The orientation which results in the lowest center resonant frequency is the equilibrium orientation. Where the acoustic frequency is constant, but the chamber length is variable, the equilibrium position or orientation is that which results in the greatest chamber length at the center resonant frequency.

  15. Acoustic positioning and orientation prediction

    NASA Technical Reports Server (NTRS)

    Barmatz, Martin B. (Inventor); Aveni, Glenn (Inventor); Putterman, Seth (Inventor); Rudnick, Joseph (Inventor)

    1990-01-01

    A method is described for use with an acoustic positioner, which enables a determination of the equilibrium position and orientation which an object assumes in a zero gravity environment, as well as restoring forces and torques of an object in an acoustic standing wave field. An acoustic standing wave field is established in the chamber, and the object is held at several different positions near the expected equilibrium position. While the object is held at each position, the center resonant frequency of the chamber is determined, by noting which frequency results in the greatest pressure of the acoustic field. The object position which results in the lowest center resonant frequency is the equilibrium position. The orientation of a nonspherical object is similarly determined, by holding the object in a plurality of different orientations at its equilibrium position, and noting the center resonant frequency for each orientation. The orientation which results in the lowest center resonant frequency is the equilibrium orientation. Where the acoustic frequency is constant, but the chamber length is variable, the equilibrium position or orientation is that which results in the greatest chamber length at the center resonant frequency.

  16. Oriented active shape models.

    PubMed

    Liu, Jiamin; Udupa, Jayaram K

    2009-04-01

    Active shape models (ASM) are widely employed for recognizing anatomic structures and for delineating them in medical images. In this paper, a novel strategy called oriented active shape models (OASM) is presented in an attempt to overcome the following five limitations of ASM: 1) lower delineation accuracy, 2) the requirement of a large number of landmarks, 3) sensitivity to search range, 4) sensitivity to initialization, and 5) inability to fully exploit the specific information present in the given image to be segmented. OASM effectively combines the rich statistical shape information embodied in ASM with the boundary orientedness property and the globally optimal delineation capability of the live wire methodology of boundary segmentation. The latter characteristics allow live wire to effectively separate an object boundary from other nonobject boundaries with similar properties especially when they come very close in the image domain. The approach leads to a two-level dynamic programming method, wherein the first level corresponds to boundary recognition and the second level corresponds to boundary delineation, and to an effective automatic initialization method. The method outputs a globally optimal boundary that agrees with the shape model if the recognition step is successful in bringing the model close to the boundary in the image. Extensive evaluation experiments have been conducted by utilizing 40 image (magnetic resonance and computed tomography) data sets in each of five different application areas for segmenting breast, liver, bones of the foot, and cervical vertebrae of the spine. Comparisons are made between OASM and ASM based on precision, accuracy, and efficiency of segmentation. Accuracy is assessed using both region-based false positive and false negative measures and boundary-based distance measures. The results indicate the following: 1) The accuracy of segmentation via OASM is considerably better than that of ASM; 2) The number of landmarks

  17. Freely oriented portable superconducting magnet

    SciTech Connect

    Schmierer, Eric N.; Prenger, F. Coyne; Hill, Dallas D.

    2010-01-12

    A freely oriented portable superconducting magnet is disclosed. Coolant is supplied to the superconducting magnet from a repository separate from the magnet, enabling portability of the magnet. A plurality of support assemblies structurally anchor and thermally isolate the magnet within a thermal shield. A plurality of support assemblies structurally anchor and thermally isolate the thermal shield within a vacuum vessel. The support assemblies restrain movement of the magnet resulting from energizing and cooldown, as well as from changes in orientation, enabling the magnet to be freely orientable.

  18. Parallels between Project Management and Instructional Design.

    ERIC Educational Resources Information Center

    Layng, Jacqueline

    1997-01-01

    Describes the stages of project management and instructional design. Outlines and compares the roles of project managers and instructional designers, and discusses how designers need to use a systematic approach which combines the stages of each process to remain detail-oriented while being cognizant of the entire project. (AEF)

  19. Project management of life-science research projects: project characteristics, challenges and training needs.

    PubMed

    Beukers, Margot W

    2011-02-01

    Thirty-four project managers of life-science research projects were interviewed to investigate the characteristics of their projects, the challenges they faced and their training requirements. A set of ten discriminating parameters were identified based on four project categories: contract research, development, discovery and call-based projects--projects set up to address research questions defined in a call for proposals. The major challenges these project managers are faced with relate to project members, leadership without authority and a lack of commitment from the respective organization. Two-thirds of the project managers indicated that they would be interested in receiving additional training, mostly on people-oriented, soft skills. The training programs that are currently on offer, however, do not meet their needs.

  20. Project management of life-science research projects: project characteristics, challenges and training needs.

    PubMed

    Beukers, Margot W

    2011-02-01

    Thirty-four project managers of life-science research projects were interviewed to investigate the characteristics of their projects, the challenges they faced and their training requirements. A set of ten discriminating parameters were identified based on four project categories: contract research, development, discovery and call-based projects--projects set up to address research questions defined in a call for proposals. The major challenges these project managers are faced with relate to project members, leadership without authority and a lack of commitment from the respective organization. Two-thirds of the project managers indicated that they would be interested in receiving additional training, mostly on people-oriented, soft skills. The training programs that are currently on offer, however, do not meet their needs. PMID:21134487

  1. Position and orientation tracking system

    DOEpatents

    Burks, B.L.; DePiero, F.W.; Armstrong, G.A.; Jansen, J.F.; Muller, R.C.; Gee, T.F.

    1998-05-05

    A position and orientation tracking system presents a laser scanning apparatus having two measurement pods, a control station, and a detector array. The measurement pods can be mounted in the dome of a radioactive waste storage silo. Each measurement pod includes dual orthogonal laser scanner subsystems. The first laser scanner subsystem is oriented to emit a first line laser in the pan direction. The second laser scanner is oriented to emit a second line laser in the tilt direction. Both emitted line lasers scan planes across the radioactive waste surface to encounter the detector array mounted on a target robotic vehicle. The angles of incidence of the planes with the detector array are recorded by the control station. Combining measurements describing each of the four planes provides data for a closed form solution of the algebraic transform describing the position and orientation of the target robotic vehicle. 14 figs.

  2. Position and orientation tracking system

    DOEpatents

    Burks, Barry L.; DePiero, Fred W.; Armstrong, Gary A.; Jansen, John F.; Muller, Richard C.; Gee, Timothy F.

    1998-01-01

    A position and orientation tracking system presents a laser scanning appaus having two measurement pods, a control station, and a detector array. The measurement pods can be mounted in the dome of a radioactive waste storage silo. Each measurement pod includes dual orthogonal laser scanner subsystems. The first laser scanner subsystem is oriented to emit a first line laser in the pan direction. The second laser scanner is oriented to emit a second line laser in the tilt direction. Both emitted line lasers scan planes across the radioactive waste surface to encounter the detector array mounted on a target robotic vehicle. The angles of incidence of the planes with the detector array are recorded by the control station. Combining measurements describing each of the four planes provides data for a closed form solution of the algebraic transform describing the position and orientation of the target robotic vehicle.

  3. Lunar orientation in a beetle.

    PubMed Central

    Dacke, Marie; Byrne, Marcus J.; Scholtz, Clarke H.; Warrant, Eric J.

    2004-01-01

    Many animals use the sun's polarization pattern to orientate, but the dung beetle Scarabaeus zambesianus is the only animal so far known to orientate using the million times dimmer polarization pattern of the moonlit sky. We demonstrate the relative roles of the moon and the nocturnal polarized-light pattern for orientation. We find that artificially changing the position of the moon, or hiding the moon's disc from the beetle's field of view, generally did not influence its orientation performance. We thus conclude that the moon does not serve as the primary cue for orientation. The effective cue is the polarization pattern formed around the moon, which is more reliable for orientation. Polarization sensitivity ratios in two photoreceptors in the dorsal eye were found to be 7.7 and 12.9, similar to values recorded in diurnal navigators. These results agree with earlier results suggesting that the detection and analysis of polarized skylight is similar in diurnal and nocturnal insects. PMID:15101694

  4. Project Wild (Project Tame).

    ERIC Educational Resources Information Center

    Siegenthaler, David

    For 37 states in the United States, Project Wild has become an officially sanctioned, distributed and funded "environemtnal and conservation education program." For those who are striving to implement focused, sequential, learning programs, as well as those who wish to promote harmony through a non-anthropocentric world view, Project Wild may…

  5. Orientation-to-alignment conversion and spin squeezing

    NASA Astrophysics Data System (ADS)

    Rochester, S. M.; Ledbetter, M. P.; Zigdon, T.; Wilson-Gordon, A. D.; Budker, D.

    2012-02-01

    The relationship between orientation-to-alignment conversion (a form of atomic polarization evolution induced by an electric field) and the phenomenon of spin squeezing is demonstrated. A “stretched” state of an atom or molecule with maximum angular-momentum projection along the quantization axis possesses orientation and is a quantum-mechanical minimum-uncertainty state, where the product of the equal uncertainties of the angular-momentum projections on two orthogonal directions transverse to the quantization axis is the minimum allowed by the uncertainty relation. Application of an electric field for a short time induces orientation-to-alignment conversion and produces a spin-squeezed state, in which the quantum state essentially remains a minimum-uncertainty state, but the uncertainties of the angular-momentum projections on the orthogonal directions are unequal. This property can be visualized using the angular-momentum probability surfaces, where the radius of the surface is given by the probability of measuring the maximum angular-momentum projection in that direction. Brief remarks are also given concerning collective-spin squeezing and quantum nondemolition measurements.

  6. Biomimetic processing of oriented crystalline ceramic layers

    SciTech Connect

    Cesarano, J.; Shelnutt, J.A.

    1997-10-01

    The aim of this project was to develop the capabilities for Sandia to fabricate self assembled Langmuir-Blodgett (LB) films of various materials and to exploit their two-dimensional crystalline structure to promote the growth of oriented thin films of inorganic materials at room temperature. This includes the design and synthesis of Langmuir-active (amphiphilic) organic molecules with end groups offering high nucleation potential for various ceramics. A longer range goal is that of understanding the underlying principles, making it feasible to use the techniques presented in this report to fabricate unique oriented films of various materials for electronic, sensor, and membrane applications. Therefore, whenever possible, work completed in this report was completed with the intention of addressing the fundamental phenomena underlying the growth of crystalline, inorganic films on template layers of highly organized organic molecules. This problem was inspired by biological processes, which often produce exquisitely engineered structures via templated growth on polymeric layers. Seashells, for example, exhibit great toughness owing to their fine brick-and-mortar structure that results from templated growth of calcium carbonate on top of layers of ordered organic proteins. A key goal in this work, therefore, is to demonstrate a positive correlation between the order and orientation of the template layer and that of the crystalline ceramic material grown upon it. The work completed was comprised of several parallel efforts that encompassed the entire spectrum of biomimetic growth from solution. Studies were completed on seashells and the mechanisms of growth for calcium carbonate. Studies were completed on the characterization of LB films and the capability developed for the in-house fabrication of these films. Standard films of fatty acids were studied as well as novel polypeptides and porphyrins that were synthesized.

  7. An object oriented generic controller using CLIPS

    NASA Technical Reports Server (NTRS)

    Nivens, Cody R.

    1990-01-01

    In today's applications, the need for the division of code and data has focused on the growth of object oriented programming. This philosophy gives software engineers greater control over the environment of an application. Yet the use of object oriented design does not exclude the need for greater understanding by the application of what the controller is doing. Such understanding is only possible by using expert systems. Providing a controller that is capable of controlling an object by using rule-based expertise would expedite the use of both object oriented design and expert knowledge of the dynamic of an environment in modern controllers. This project presents a model of a controller that uses the CLIPS expert system and objects in C++ to create a generic controller. The polymorphic abilities of C++ allow for the design of a generic component stored in individual data files. Accompanying the component is a set of rules written in CLIPS which provide the following: the control of individual components, the input of sensory data from components and the ability to find the status of a given component. Along with the data describing the application, a set of inference rules written in CLIPS allows the application to make use of sensory facts and status and control abilities. As a demonstration of this ability, the control of the environment of a house is provided. This demonstration includes the data files describing the rooms and their contents as far as devices, windows and doors. The rules used for the home consist of the flow of people in the house and the control of devices by the home owner.

  8. Learning in Equity-Oriented Scale-Making Projects

    ERIC Educational Resources Information Center

    Jurow, A. Susan; Shea, Molly

    2015-01-01

    This article examines how new forms of learning and expertise are made to become consequential in changing communities of practice. We build on notions of scale making to understand how particular relations between practices, technologies, and people become meaningful across spatial and temporal trajectories of social action. A key assumption of…

  9. Using a Design-Orientated Project to Attain Graduate Attributes

    ERIC Educational Resources Information Center

    Moalosi, Richie; Molokwane, Shorn; Mothibedi, Gabriel

    2012-01-01

    Nowadays universities are required not only to impart knowledge of specific disciplines but also generic graduate attributes such as communication, problem-solving, teamwork, creative thinking, research and inquiry skills. For students to attain these generic skills, educators are encouraged to use learner-centred approaches in teaching.…

  10. A network-oriented business modeling environment

    NASA Astrophysics Data System (ADS)

    Bisconti, Cristian; Storelli, Davide; Totaro, Salvatore; Arigliano, Francesco; Savarino, Vincenzo; Vicari, Claudia

    The development of formal models related to the organizational aspects of an enterprise is fundamental when these aspects must be re-engineered and digitalized, especially when the enterprise is involved in the dynamics and value flows of a business network. Business modeling provides an opportunity to synthesize and make business processes, business rules and the structural aspects of an organization explicit, allowing business managers to control their complexity and guide an enterprise through effective decisional and strategic activities. This chapter discusses the main results of the TEKNE project in terms of software components that enable enterprises to configure, store, search and share models of any aspects of their business while leveraging standard and business-oriented technologies and languages to bridge the gap between the world of business people and IT experts and to foster effective business-to-business collaborations.

  11. Designing Effective Projects: Decision Options for Maximizing Learning and Project Success

    ERIC Educational Resources Information Center

    Volkema, Roger J.

    2010-01-01

    In recent years, more and more business schools have introduced team-based projects into their curricula as a means of addressing corporate, small business, and community-service issues while teaching students a variety of project management skills (technical and sociocultural). In designing a project-oriented course, an instructor has a number of…

  12. Phase-Oriented Gear Systems

    NASA Technical Reports Server (NTRS)

    Vranish, John M.

    2007-01-01

    Phase-oriented gear systems are differential planetary transmissions in which each planet gear has two sets of unequal numbers of teeth indexed at prescribed relative angles (phases). The figure illustrates an application of the phase-oriented gearing concept to a relatively simple speed-reducing differential planetary transmission that includes a sun gear, an idler gear, three identical planet gears, a ground internal ring gear, and an output internal ring gear. Typically, the ground internal ring gear and output internal ring gear have different numbers of teeth, giving rise to a progressive and periodic phase shift between the corresponding pairs of teeth engaged by each successive planet gear. To accommodate this phase shift, it is necessary to introduce a compensating phase shift between the ground-gear-engaging and output-gearengaging sections of each planet gear. This is done by individually orienting each planet gear

  13. Competing strategically through market orientation.

    PubMed

    Rapert, M I; Yarbrough, L

    1997-01-01

    As organizations seek to better understand their customers, competitors, and environments, the marketing function effectively serves as the support mechanism for these activities in many industries. Accordingly, in many organizations the marketing concept has been elevated to the stature of a strategic weapon, manifested in the form of market orientation. Market-oriented firms emphasize the collection, organization, and dissemination of information regarding both customers and competitors. This strategy is especially well-suited for the health care industry where customer knowledge is of paramount importance, customer interaction is instantaneous, and customer satisfaction is essential. Results of a national study of general service hospitals suggest that firms which embrace a market orientation benefit through enhanced customer satisfaction and quality.

  14. Sexual Orientation, Controversy, and Science.

    PubMed

    Bailey, J Michael; Vasey, Paul L; Diamond, Lisa M; Breedlove, S Marc; Vilain, Eric; Epprecht, Marc

    2016-09-01

    SummaryOngoing political controversies around the world exemplify a long-standing and widespread preoccupation with the acceptability of homosexuality. Nonheterosexual people have seen dramatic surges both in their rights and in positive public opinion in many Western countries. In contrast, in much of Africa, the Middle East, the Caribbean, Oceania, and parts of Asia, homosexual behavior remains illegal and severely punishable, with some countries retaining the death penalty for it. Political controversies about sexual orientation have often overlapped with scientific controversies. That is, participants on both sides of the sociopolitical debates have tended to believe that scientific findings-and scientific truths-about sexual orientation matter a great deal in making political decisions. The most contentious scientific issues have concerned the causes of sexual orientation-that is, why are some people heterosexual, others bisexual, and others homosexual? The actual relevance of these issues to social, political, and ethical decisions is often poorly justified, however.

  15. Competing strategically through market orientation.

    PubMed

    Rapert, M I; Yarbrough, L

    1997-01-01

    As organizations seek to better understand their customers, competitors, and environments, the marketing function effectively serves as the support mechanism for these activities in many industries. Accordingly, in many organizations the marketing concept has been elevated to the stature of a strategic weapon, manifested in the form of market orientation. Market-oriented firms emphasize the collection, organization, and dissemination of information regarding both customers and competitors. This strategy is especially well-suited for the health care industry where customer knowledge is of paramount importance, customer interaction is instantaneous, and customer satisfaction is essential. Results of a national study of general service hospitals suggest that firms which embrace a market orientation benefit through enhanced customer satisfaction and quality. PMID:10179668

  16. Sexual Orientation, Controversy, and Science.

    PubMed

    Bailey, J Michael; Vasey, Paul L; Diamond, Lisa M; Breedlove, S Marc; Vilain, Eric; Epprecht, Marc

    2016-09-01

    SummaryOngoing political controversies around the world exemplify a long-standing and widespread preoccupation with the acceptability of homosexuality. Nonheterosexual people have seen dramatic surges both in their rights and in positive public opinion in many Western countries. In contrast, in much of Africa, the Middle East, the Caribbean, Oceania, and parts of Asia, homosexual behavior remains illegal and severely punishable, with some countries retaining the death penalty for it. Political controversies about sexual orientation have often overlapped with scientific controversies. That is, participants on both sides of the sociopolitical debates have tended to believe that scientific findings-and scientific truths-about sexual orientation matter a great deal in making political decisions. The most contentious scientific issues have concerned the causes of sexual orientation-that is, why are some people heterosexual, others bisexual, and others homosexual? The actual relevance of these issues to social, political, and ethical decisions is often poorly justified, however. PMID:27113562

  17. Is a homosexual orientation irreversible?

    PubMed

    McConaghy, N

    1976-12-01

    In four studies homosexual patients were randomly allocated to receive either different forms of aversive therapy; or aversive therapy or a positive conditioning procedure. Before and after therapy the patients' sexual orientation was determined by measuring their penile volume responses to moving pictures of nude men and women. The aversive therapies produced reduction in homosexual feelings and behaviour. In the fourth study the reduction was significantly greater following the aversive compared with the positive conditioning procedure. No significant change in measured sexual orientation occurred in the patients who received aversive therapy compared with those who received positive conditioning. The measured sexual orientation of the homosexual patients after treatment differed significantly from that of heterosexual patients who received aversive therapy for sexual anomalies.

  18. 36 CFR 13.1236 - Bear orientation.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 36 Parks, Forests, and Public Property 1 2011-07-01 2011-07-01 false Bear orientation. 13.1236... Developed Area § 13.1236 Bear orientation. All persons visiting the BCDA must receive an NPS-approved Bear Orientation. Failure to receive an NPS-approved Bear Orientation is prohibited....

  19. 36 CFR 13.1236 - Bear orientation.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 36 Parks, Forests, and Public Property 1 2010-07-01 2010-07-01 false Bear orientation. 13.1236... Developed Area § 13.1236 Bear orientation. All persons visiting the BCDA must receive an NPS-approved Bear Orientation. Failure to receive an NPS-approved Bear Orientation is prohibited....

  20. 36 CFR 13.1236 - Bear orientation.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 36 Parks, Forests, and Public Property 1 2012-07-01 2012-07-01 false Bear orientation. 13.1236... Developed Area § 13.1236 Bear orientation. All persons visiting the BCDA must receive an NPS-approved Bear Orientation. Failure to receive an NPS-approved Bear Orientation is prohibited....

  1. 36 CFR 13.1236 - Bear orientation.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 36 Parks, Forests, and Public Property 1 2013-07-01 2013-07-01 false Bear orientation. 13.1236... Developed Area § 13.1236 Bear orientation. All persons visiting the BCDA must receive an NPS-approved Bear Orientation. Failure to receive an NPS-approved Bear Orientation is prohibited....

  2. 36 CFR 13.1236 - Bear orientation.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 36 Parks, Forests, and Public Property 1 2014-07-01 2014-07-01 false Bear orientation. 13.1236... Developed Area § 13.1236 Bear orientation. All persons visiting the BCDA must receive an NPS-approved Bear Orientation. Failure to receive an NPS-approved Bear Orientation is prohibited....

  3. UNCW Summer Orientation 1987 Evaluation Highlights.

    ERIC Educational Resources Information Center

    Allen, David F.

    Results of evaluating the June 1987 orientation program at the University of North Carolina at Wilmington are discussed and compared to findings of the 1986 orientation program evaluation. Items that were ranked as the four highest and four lowest aspects of orientation are identified. Orientation leader effectiveness is also assessed, along with…

  4. The orientation process: developing an orientation program for endoscopy personnel.

    PubMed

    Bodinsky, G N

    1991-01-01

    Now that you have hired the most qualified individual for the job and now that this person is aware of the departmental goals, how do you as manager assure that these expectations are met? A comprehensive orientation program is the answer.

  5. Newts: sun-compass orientation.

    PubMed

    Landreth, H F; Ferguson, D E

    1967-12-15

    Rough-skinned newts, captured from breeding ponds, oriented on courses that would have intersected the familiar shorelines at right angles, when released in a circular arena on land under the sun or moon. Pondward migrants oriented similarly. Reorientation failed under complete cloud cover and after 7 days of darkness in an environmental chamber, but persisted in newts whose eyes were excised and in those displaced more than 27 kilometers in darkness. Both normal and blind animals compensated for displacement in sunshine. Preliminary evidence suggests that alternative light receptors in blinded animals may be associated with the optic tectum. No evidence of olfactory guidance was observed. PMID:6058684

  6. Strategic orientations of small multihospital systems.

    PubMed Central

    Luke, R D; Begun, J W

    1988-01-01

    Strategic behaviors of organizations can be classified along two dimensions--growth orientations, or patterns of evolution over time, and action orientations, or strategic aggressiveness in undertaking a particular growth orientation. We create measures of growth and action orientations for small multihospital systems and test the validity of the growth and action orientation typologies, using data from a sample of small multihospital systems. Growth and action orientations do appear to exist independently of each other, and they are related to the ownership status of the systems. Not-for-profit and church-other systems exhibit similar strategic orientations, unlike those of Catholic and investor-owned systems. PMID:3060448

  7. Orientation-independent measures of ground motion

    USGS Publications Warehouse

    Boore, D.M.; Watson-Lamprey, Jennie; Abrahamson, N.A.

    2006-01-01

    The geometric mean of the response spectra for two orthogonal horizontal components of motion, commonly used as the response variable in predictions of strong ground motion, depends on the orientation of the sensors as installed in the field. This means that the measure of ground-motion intensity could differ for the same actual ground motion. This dependence on sensor orientation is most pronounced for strongly correlated motion (the extreme example being linearly polarized motion), such as often occurs at periods of 1 sec or longer. We propose two new measures of the geometric mean, GMRotDpp, and GMRotIpp, that are independent of the sensor orientations. Both are based on a set of geometric means computed from the as-recorded orthogonal horizontal motions rotated through all possible non-redundant rotation angles. GMRotDpp is determined as the ppth percentile of the set of geometric means for a given oscillator period. For example, GMRotDOO, GMRotD50, and GMRotD100 correspond to the minimum, median, and maximum values, respectively. The rotations that lead to GMRotDpp depend on period, whereas a single-period-independent rotation is used for GMRotIpp, the angle being chosen to minimize the spread of the rotation-dependent geometric mean (normalized by GMRotDpp) over the usable range of oscillator periods. GMRotI50 is the ground-motion intensity measure being used in the development of new ground-motion prediction equations by the Pacific Earthquake Engineering Center Next Generation Attenuation project. Comparisons with as-recorded geometric means for a large dataset show that the new measures are systematically larger than the geometric-mean response spectra using the as-recorded values of ground acceleration, but only by a small amount (less than 3%). The theoretical advantage of the new measures is that they remove sensor orientation as a contributor to aleatory uncertainty. Whether the reduction is of practical significance awaits detailed studies of large

  8. Method for selectively orienting induced fractures in subterranean earth formations

    DOEpatents

    Shuck, Lowell Z.

    1977-02-01

    The orientation of hydraulically-induced fractures in relatively deep subterranean earth formations is normally confined to vertical projections along a plane parallel to the maximum naturally occurring (tectonic) compressive stress field. It was found that this plane of maximum compressive stress may be negated and, in effect, re-oriented in a plane projecting generally orthogonal to the original tectonic stress plane by injecting liquid at a sufficiently high pressure into a wellbore fracture oriented in a plane parallel to the plane of tectonic stress for the purpose of stressing the surrounding earth formation in a plane generally orthogonal to the plane of tectonic stress. With the plane of maximum compressive stress re-oriented due to the presence of the induced compressive stress, liquid under pressure is injected into a second wellbore disposed within the zone influenced by the induced compressive stress but at a location in the earth formation laterally spaced from the fracture in the first wellbore for effecting a fracture in the second wellbore along a plane generally orthogonal to the fracture in the first wellbore.

  9. Managing Complex Distance Education Projects in a Telework Environment

    ERIC Educational Resources Information Center

    Ally, Mohamed; Cleveland-Innes, Marti; Wiseman, Colin

    2010-01-01

    The advances of communication technologies have allowed professionals to work on distance education projects in a telework environment. Managers of these projects must have the skills to manage the projects from a distance. They must be able to select the appropriate team members to work on the project, orient team members, and monitor team…

  10. Orientations Of Dunes On Titan: Implications For Global Winds

    NASA Astrophysics Data System (ADS)

    Radebaugh, Jani; Lorenz, R.; Lunine, J.; Wall, S.; Boubin, G.; Reffet, E.; Kirk, R.; Lopes, R.; Soderblom, L.; Cassini RADAR Team

    2006-09-01

    The Cassini Radar instrument has revealed the presence of thousands of longitudinal dunes on the surface of Titan, primarily at equatorial latitudes (Lorenz et al. 2006; Boubin et al. 2005). These features have widths of 1-2 km, heights of 100 m, and lengths from <5; km to nearly 150 km, comparable to dunes found on Earth's Namibian desert. They are radar-dark and are presumably composed of some combination of hydrocarbon particulates and erosion-produced water ice particles. The orientations of these longitudinal dunes, likely resulting from alternating wind action around their long axes, are regionally horizontal, due to global, W-E flowing winds with a possible tidal component (Tokano et al., 2001). We explore localized groupings of dune orientations, both swath-wide (over 140° longitude) and smaller ( 10°x 10°) areas in the hopes that the work will contribute to further constraining wind/atmospheric circulation patterns. Unobstructed dunes, such as those found in the T8 swath, covering 180°- 320°W longitude near the equator, have mean orientations of 80° from N. On a local scale, mountain blocks and other high elevation features divert these dunes, causing their orientations to vary, and revealing a local change in wind direction. Large, regional, land masses also appear to have an effect on dune orientations, on a nearly hemispheric scale. Dunes north of Xanadu, found in the T3 swath (0° - 140°W longitude), have a higher variation in orientation and appear to divert around Xanadu. Similar diversion patterns are seen in dunes found on the western end of the T13 swath (which passed directly over Xanadu) having orientations of 109°. This work can help constrain GCM models of wind circulation patterns by providing time-averaged data on a regional scale. The authors are funded by the Cassini project.

  11. Fostering Teacher Development to a Tetrahedral Orientation in the Teaching of Chemistry

    ERIC Educational Resources Information Center

    Lewthwaite, Brian; Wiebe, Rick

    2011-01-01

    This paper reports on the initial outcomes from the end of the fourth year of a 5 year research and professional development project to improve chemistry teaching among three cohorts of chemistry teachers in Manitoba, Canada. The project responds to a new curriculum introduction advocating a tetrahedral orientation (Mahaffy, "Journal of Chemical…

  12. Spatially oriented plasmonic 'nanograter' structures.

    PubMed

    Liu, Zhe; Cui, Ajuan; Gong, Zhijie; Li, Hongqiang; Xia, Xiaoxiang; Shen, Tiehan H; Li, Junjie; Yang, Haifang; Li, Wuxia; Gu, Changzhi

    2016-01-01

    One of the key motivations in producing 3D structures has always been the realization of metamaterials with effective constituent properties that can be tuned in all propagation directions at various frequencies. Here, we report the investigation of spatially oriented "Nanograter" structures with orientation-dependent responses over a wide spectrum by focused-ion-beam based patterning and folding of thin film nanostructures. Au nano units of different shapes, standing along specifically designated orientations, were fabricated. Experimental measurements and simulation results show that such structures offer an additional degree of freedom for adjusting optical properties with the angle of inclination, in additional to the size of the structures. The response frequency can be varied in a wide range (8 μm-14 μm) by the spatial orientation (0°-180°) of the structures, transforming the response from magnetic into electric coupling. This may open up prospects for the fabrication of 3D nanostructures as optical interconnects, focusing elements and logic elements, moving toward the realization of 3D optical circuits. PMID:27357610

  13. Retention-Oriented Curricular Design

    ERIC Educational Resources Information Center

    Milanovic, Ivana; Eppes, Tom A.; Girouard, Janice; Townsend, Lee

    2010-01-01

    This paper presents a retention-oriented approach to the educational value stream within the STEM undergraduate area. Faced with several strategic challenges and opportunities, a Flex Advantage Plan was developed to enhance the undergraduate engineering technology programs and better utilize the curricular flexibilities inherent in the current…

  14. Pedagogical Issues in Object Orientation.

    ERIC Educational Resources Information Center

    Nerur, Sridhar; Ramanujan, Sam; Kesh, Someswar

    2002-01-01

    Discusses the need for people with object-oriented (OO) skills, explains benefits of OO in software development, and addresses some of the difficulties in teaching OO. Topics include the evolution of programming languages; differences between OO and traditional approaches; differences from data modeling; and Unified Modeling Language (UML) and…

  15. The New Teacher Orientation Program.

    ERIC Educational Resources Information Center

    Montgomery County Public Schools, Rockville, MD.

    This book was designed to be read by new teachers. The first section is devoted to a description of the Montgomery County Public Schools' new teacher orientation program, a program based on a self-improvement strategy. The program description places the emphasis on microteaching; there are weekly group meetings with a leader, but as time…

  16. Orienting Adult Learners to College.

    ERIC Educational Resources Information Center

    Singer, Tara S.

    1993-01-01

    Describes pilot program at University of Louisville (Kentucky) which was designed to assist in orienting adult learners to the collegiate environment. Addresses special concerns of adult learners, including child care, career planning, academic support, personal support, and financial aid. Explains program development and presentation, materials,…

  17. Newborn Infants Orient to Sounds.

    ERIC Educational Resources Information Center

    Muir, Darwin; Field, Jeffrey

    1979-01-01

    In two experiments, the majority of 21 newborn infants who were maintained in an alert state consistently turned their heads toward a continuous sound source presented 90 degrees from midline. For most infants, this orientation response was rather slow, taking median latencies of 2.5 seconds to begin and 5.5 seconds to end. (JMB)

  18. Vocationally Oriented Language Learning Revisited

    ERIC Educational Resources Information Center

    Vogt, Karin; Kantelinen, Ritva

    2013-01-01

    Vocationally oriented language learning (VOLL) is often seen as a part of English for Specific Purposes/Language for Specific Purposes (ESP/LSP), which it is not in every case. The diverging characteristics and lines of development that these two branches of ELT have undergone are outlined and contrasted. Then, a discussion of the added value of a…

  19. Political Orientations, Intelligence and Education

    ERIC Educational Resources Information Center

    Rindermann, Heiner; Flores-Mendoza, Carmen; Woodley, Michael A.

    2012-01-01

    The social sciences have traditionally assumed that education is a major determinant of citizens' political orientations and behavior. Several studies have also shown that intelligence has an impact. According to a theory that conceptualizes intelligence as a "burgher" (middle-class, civil) phenomenon--intelligence should promote civil attitudes,…

  20. Arkansas: Guidebook for Career Orientation.

    ERIC Educational Resources Information Center

    Arkansas State Dept. of Education, Little Rock. Div. of Vocational, Technical and Adult Education.

    The guide book has been prepared to assist teachers with career orientation for grades seven, eight, and nine. There are two parts to each unit in the guidebook: (1) the teacher section consists of teacher objectives, suggested teaching activities, factors to consider, and references: (2) the student section consists of student behavioral…

  1. Communication Apprehension and People Orientations.

    ERIC Educational Resources Information Center

    Ambler, Bob

    Assuming that different programs for communication apprehensive/avoidant students attract different types of students according to their needs and apprehension types, a study examined the relationship between communication apprehension (CA) and general people orientations, as measured by the Personal Record of Communication Apprehension-24…

  2. Community-Oriented Medical Education

    ERIC Educational Resources Information Center

    Hays, Richard

    2007-01-01

    Community-orientated medicine is a topical area for debate in the current discussions about medical education, but it can be argued that medical education has always been in the community because medical practice is located therein. It is widely accepted that community settings provide a wealth of learning opportunities for students and trainees…

  3. Context Orientated Teaching in Praxis

    ERIC Educational Resources Information Center

    Nikos, Klaoudatos; Stavros, Papastavridis

    2004-01-01

    In this paper, we describe the skeleton of two teaching units, based on a Model for teaching mathematics, Context Orientated Teaching (COT). The first teaching unit concerns the proof of a mathematical proposition, while the second one concerns the solution of an open problem. Both are taught in the 10th grade, under the specific conditions of the…

  4. The Context Oriented Training Method.

    ERIC Educational Resources Information Center

    Cavrini, Andrea

    The Context Oriented Training (COT) method is introduced and explored in this paper. COT is a means of improving the training process, beginning with the observation and analysis of current corporate experiences in the field. The learning context lies between the development of professional competencies in training and the operational side in the…

  5. Interpersonal Orientation and Speech Behavior.

    ERIC Educational Resources Information Center

    Street, Richard L., Jr.; Murphy, Thomas L.

    1987-01-01

    Indicates that (1) males with low interpersonal orientation (IO) were least vocally active and expressive and least consistent in their speech performances, and (2) high IO males and low IO females tended to demonstrate greater speech convergence than either low IO males or high IO females. (JD)

  6. AFS Orientation Handbook. Third Edition.

    ERIC Educational Resources Information Center

    AFS International/Intercultural Programs, Inc., New York, NY.

    Designed for persons involved in cross-cultural training sessions for international high school student exchange programs, this handbook features orientation resources developed in North and South America, Europe, and Asia. Following a brief introduction, Section 2 describes volunteer training seminars in Argentina which covered publicity, local…

  7. Visual Search for Object Orientation Can Be Modulated by Canonical Orientation

    ERIC Educational Resources Information Center

    Ballaz, Cecile; Boutsen, Luc; Peyrin, Carole; Humphreys, Glyn W.; Marendaz, Christian

    2005-01-01

    The authors studied the influence of canonical orientation on visual search for object orientation. Displays consisted of pictures of animals whose axis of elongation was either vertical or tilted in their canonical orientation. Target orientation could be either congruent or incongruent with the object's canonical orientation. In Experiment 1,…

  8. Network oriented radiological and medical archive

    NASA Astrophysics Data System (ADS)

    Ferraris, M.; Frixione, P.; Squarcia, S.

    2001-10-01

    In this paper the basic ideas of NORMA (Network Oriented Radiological and Medical Archive) are discussed. NORMA is an original project built by a team of physicists in collaboration with radiologists in order to select the best Treatment Planning in radiotherapy. It allows physicians and health physicists, working in different places, to discuss on interesting clinical cases visualizing the same diagnostic images, at the same time, and highlighting zones of interest (tumors and organs at risk). NORMA has a client/server architecture in order to be platform independent. Applying World Wide Web technologies, it can be easily used by people with no specific computer knowledge providing a verbose help to guide the user through the right steps of execution. The client side is an applet while the server side is a Java application. In order to optimize execution the project also includes a proprietary protocol, lying over TCP/IP suite, that organizes data exchanges and control messages. Diagnostic images are retrieved from a relational database or from a standard DICOM (Digital Images and COmmunications in Medicine) PACS through the DICOM-WWW gateway allowing connection of the usual Web browsers, used by the NORMA system, to DICOM applications via the HTTP protocol. Browser requests are sent to the gateway from the Web server through CGI (Common Gateway Interface). DICOM software translates the requests in DICOM messages and organizes the communication with the remote DICOM Application.

  9. Insects. Hawaii Nature Study Project.

    ERIC Educational Resources Information Center

    Hawaii Univ., Honolulu. Curriculum Research and Development Group.

    This teaching guide is one of a series developed by the Curriculum Research and Development Group at the University of Hawaii. The program is laboratory and field oriented for elementary students. The focus of study for the project is the plant and animal life and the physical components of the Hawaiian environment, and their ecological…

  10. Controlling particle orientation during forming

    NASA Astrophysics Data System (ADS)

    Nycz, Shawn Michael

    Particle orientation is a microstructural feature that can significantly impact the properties of a fired ceramic. For example, Patwardhan and Cannon showed that particle orientation occurring during tape casting affects dimensional control due to the influence that particle shape has on sintering kinetics. The particle orientation was caused by the complex shear state that occurs during tape casting. This dissertation examined the relationship between shear state and the resulting particle orientation and its influence on selected properties of the body. The first step towards this was the determination of the shear state during tape casting. Based on measured geometries and rheologies, computational fluid dynamics (CFD) simulations were performed which predicted shear rates throughout the geometry. The simulations predicted that for slurries exhibiting power-law shear thinning behavior, shear rate is higher near the doctor blade and the slurry is not only sheared between the doctor blade and substrate but also into the slurry reservoir and behind the doctor blade. Tape casting was performed on the compositions that were characterized for the determination of shear state. Casting parameters such as doctor blade gap and casting velocity were varied to alter the shear profile in the system. These samples were then analyzed to determine the particle orientation and texture in various regions throughout the tapes. An optical texture measurement technique based on the birefringence of green bodies was developed to address the need for highly sensitive measurements capable of detecting small variations in green texture. Results given by this technique were found to be consistent with measurements performed by XRD. Experimental samples were analyzed and localized texture measurements were found to follow shear profiles predicted by the CFD simulations. Elastic moduli of fired samples exhibiting a range of textures were measured to reveal effects of particle orientation

  11. Projects Work!

    ERIC Educational Resources Information Center

    Textor, Martin R.

    2005-01-01

    The great educational value of projects is emphasized by contrasting negative aspects of the life of today's children with the goals of project work. This is illustrated by a project "Shopping." It is shown what children are learning in such projects and what the advantages of project work are. Relevant topic areas, criteria for selecting a…

  12. Project International Emphasis Interim Report, July 1991.

    ERIC Educational Resources Information Center

    Blois, Beverly, Ed.; Williams, Barbara

    Project International Emphasis (PIE), a curriculum development effort involving all 24 colleges in the Virginia Community College System (VCCS), focuses on the infusion of globally oriented components across the academic curriculum and in related career development programs. Activities undertaken during the project's first year included an annual…

  13. A Career Education Counseling Project. Interim Report.

    ERIC Educational Resources Information Center

    Cron, C. Thomas

    Covering the period of June 1974 to June 1975, the report and final evaluation document the second year operation of a career education counseling project in the Corpus Christi Schools. The components of the project emphasized awareness and career orientation for K-6, established career resource areas in junior high school libraries, and developed…

  14. Interagency Planning and Support Project. Final Report.

    ERIC Educational Resources Information Center

    Salisbury, Christine

    This final report describes the activities and outcomes of a federally funded project designed to develop, implement, and evaluate a systemically oriented process model for improving the coordination of education and human services for young children with identified disabilities and their families at the local level. The project developed and used…

  15. Service Oriented E-Government

    NASA Astrophysics Data System (ADS)

    Stoll, Margareth; Laner, Dietmar, Dr.

    Due to different directives, the growing request for citizen-orientation, improved service quality, effectiveness, efficiency, transparency and reduction of costs, as well as administrative burden public administrations apply increasingly management tools and IT for continual service development and sustainable citizens' satisfaction. Therefore public administrations implement always more standard based management systems, such as quality ISO9001, environmental ISO 14001 or others. Due to this situation we used in different case studies as basis for e-government a the administration adapted, holistic administration management model to analyze stakeholder requirements and to integrate, harmonize and optimize services, processes, data, directives, concepts and forms. In these case studies the developed and consequently implemented holistic administration management model promotes constantly over more years service effectiveness, citizen satisfaction, efficiency, cost reduction, shorter initial training periods for new collaborators, employee involvement for sustainable citizen-oriented service improvement and organizational development.

  16. Triboluminescence dominated by crystallographic orientation

    PubMed Central

    Wang, Kuifang; Ma, Liran; Xu, Xuefeng; Wen, Shizhu; Luo, Jianbin

    2016-01-01

    Triboluminescence (TL) is an optical phenomenon that has a long and varied history with broad applications, such as damage detection, X-ray source, and mass health monitoring sensor. So far, the properties and mechanisms of TL remain not completely understood. The TL properties emitted during the sliding contact between Al2O3 and SiO2 surfaces were studied along different crystallographic orientations. In this study, the TL intensity of Al2O3 was significantly enhanced as Al2O3 surface was along a particular crystallographic orientation, which is an unconventional phenomenon. TL enhancement of Al2O3 was not affected by air atmosphere and atomic stocking mode of Al2O3. The enhancement mechanism of Al2O3 may be influenced by the surface state of Al2O3. This work provides a new method to control the intensity of TL and novel ideas to elucidate the TL mechanism. PMID:27193511

  17. Task-oriented situation recognition

    NASA Astrophysics Data System (ADS)

    Bauer, Alexander; Fischer, Yvonne

    2010-04-01

    From the advances in computer vision methods for the detection, tracking and recognition of objects in video streams, new opportunities for video surveillance arise: In the future, automated video surveillance systems will be able to detect critical situations early enough to enable an operator to take preventive actions, instead of using video material merely for forensic investigations. However, problems such as limited computational resources, privacy regulations and a constant change in potential threads have to be addressed by a practical automated video surveillance system. In this paper, we show how these problems can be addressed using a task-oriented approach. The system architecture of the task-oriented video surveillance system NEST and an algorithm for the detection of abnormal behavior as part of the system are presented and illustrated for the surveillance of guests inside a video-monitored building.

  18. Triboluminescence dominated by crystallographic orientation.

    PubMed

    Wang, Kuifang; Ma, Liran; Xu, Xuefeng; Wen, Shizhu; Luo, Jianbin

    2016-01-01

    Triboluminescence (TL) is an optical phenomenon that has a long and varied history with broad applications, such as damage detection, X-ray source, and mass health monitoring sensor. So far, the properties and mechanisms of TL remain not completely understood. The TL properties emitted during the sliding contact between Al2O3 and SiO2 surfaces were studied along different crystallographic orientations. In this study, the TL intensity of Al2O3 was significantly enhanced as Al2O3 surface was along a particular crystallographic orientation, which is an unconventional phenomenon. TL enhancement of Al2O3 was not affected by air atmosphere and atomic stocking mode of Al2O3. The enhancement mechanism of Al2O3 may be influenced by the surface state of Al2O3. This work provides a new method to control the intensity of TL and novel ideas to elucidate the TL mechanism. PMID:27193511

  19. Strategies for Successful Perioperative Orientation.

    PubMed

    Mollohan, Joseph K; Morales, Maria

    2016-08-01

    The successful orientation of new employees facilitates their transition to the complex and demanding world of perioperative nursing. Whether a nurse is a recent graduate or an experienced nurse who has recently joined the facility or department, a new nurse benefits from a transition period during which new skills, processes, and concepts can be learned. Training should offer new employees the opportunity to develop competency, experience, collegial relationships, clinical judgment, and, overall, specialized knowledge for application in the clinical setting. Concerns surrounding orientation and training include the initial costs for training and the possibility of new employees leaving after the completion of training. The associated costs can be staggering, but adopting perioperative nurse residency programs may be a way to provide quality, high-level training and improve retention rates while minimizing long-term costs. PMID:27472970

  20. Triboluminescence dominated by crystallographic orientation

    NASA Astrophysics Data System (ADS)

    Wang, Kuifang; Ma, Liran; Xu, Xuefeng; Wen, Shizhu; Luo, Jianbin

    2016-05-01

    Triboluminescence (TL) is an optical phenomenon that has a long and varied history with broad applications, such as damage detection, X-ray source, and mass health monitoring sensor. So far, the properties and mechanisms of TL remain not completely understood. The TL properties emitted during the sliding contact between Al2O3 and SiO2 surfaces were studied along different crystallographic orientations. In this study, the TL intensity of Al2O3 was significantly enhanced as Al2O3 surface was along a particular crystallographic orientation, which is an unconventional phenomenon. TL enhancement of Al2O3 was not affected by air atmosphere and atomic stocking mode of Al2O3. The enhancement mechanism of Al2O3 may be influenced by the surface state of Al2O3. This work provides a new method to control the intensity of TL and novel ideas to elucidate the TL mechanism.

  1. Orientational anisotropy in infant vision

    NASA Technical Reports Server (NTRS)

    Cohen Leehey, S.; Moskowitz-Cook, A.; Brill, S.; Held, R.

    1975-01-01

    Infants prefer to look at horizontal and vertical gratings rather than at oblique gratings only when they are at or near threshold spatial frequencies, as would be expected if acuity for oblique edges is lower than that for horizontal and vertical edges. That such a bias exists as early as 6 weeks of age suggests that the orientational asymmetry of the visual system depends on endogeneous maturation rather than exposure to a carpentered world.

  2. Line-oriented flight training

    NASA Technical Reports Server (NTRS)

    Beach, B. E.

    1980-01-01

    Some of the concepts related to a line-oriented flight training program are discussed. The need to shift from training in manipulative skills to something closer to management skills is emphasized. The program is evaluated in terms of its realistic approaches which include the simulator's optimized motion and visual capabilities. The value of standard operating procedures as they affect the line pilot in everyday operations are also illustrated.

  3. Ambulatory measurement of arm orientation.

    PubMed

    Luinge, H J; Veltink, P H; Baten, C T M

    2007-01-01

    In order to evaluate the impact of neuromuscular disorders affecting the upper extremities, the functional use of the arm need to be evaluated during daily activities. A system suitable for measuring arm kinematics should be ambulatory and not interfere with activities of daily living. A measurement system based on miniature accelerometers and gyroscopes is adequate because the sensors are small and do not suffer from line of sight problems. A disadvantage of such sensors is the cumulative drift around the vertical and the problems with aligning the sensor with the segment. A method that uses constraints in the elbow to measure the orientation of the lower arm with respect to the upper arm is described. This requires a calibration method to determine the exact orientation of each of the sensors with respect to the segment. Some preliminary measurements were analyzed and they indicated a strong reduction in orientation error around the vertical. It seemed that the accuracy of the method is limited by the accuracy of the sensor to segment calibration. PMID:16455089

  4. Object Oriented Modeling and Design

    NASA Technical Reports Server (NTRS)

    Shaykhian, Gholam Ali

    2007-01-01

    The Object Oriented Modeling and Design seminar is intended for software professionals and students, it covers the concepts and a language-independent graphical notation that can be used to analyze problem requirements, and design a solution to the problem. The seminar discusses the three kinds of object-oriented models class, state, and interaction. The class model represents the static structure of a system, the state model describes the aspects of a system that change over time as well as control behavior and the interaction model describes how objects collaborate to achieve overall results. Existing knowledge of object oriented programming may benefit the learning of modeling and good design. Specific expectations are: Create a class model, Read, recognize, and describe a class model, Describe association and link, Show abstract classes used with multiple inheritance, Explain metadata, reification and constraints, Group classes into a package, Read, recognize, and describe a state model, Explain states and transitions, Read, recognize, and describe interaction model, Explain Use cases and use case relationships, Show concurrency in activity diagram, Object interactions in sequence diagram.

  5. For the love of learning science: Connecting learning orientation and career productivity in physics and chemistry

    NASA Astrophysics Data System (ADS)

    Hazari, Zahra; Potvin, Geoff; Tai, Robert H.; Almarode, John

    2010-06-01

    An individual’s motivational orientation serves as a drive to action and can influence their career success. This study examines how goal orientation toward the pursuit of a graduate degree in physics and chemistry influences later success outcomes of practicing physicists and chemists. Two main categories of goal orientation are examined in this paper: performance orientation or motivation to demonstrate one’s ability or performance to others, and learning orientation or motivation through the desire to learn about a topic. The data were obtained as part of Project Crossover, a mixed-methods study which focused on studying the transition from graduate student to scientist in the physical sciences and included a survey of members of two national professional physical science organizations. Using regression analysis on data from 2353 physicists and chemists, results indicate that physicists and chemists who reported a learning orientation as their motivation for going to graduate school were more productive, in terms of total career primary and/or first-author publications and grant funding, than those reporting a performance orientation. Furthermore, given equal salary, learning-oriented individuals produced more primary and/or first-author publications than their nonlearning oriented counterparts.

  6. Basalt Waste Isolation Project Reclamation Support Project:

    SciTech Connect

    Brandt, C.A.; Rickard, W.H. Jr.; Cadoret, N.A.

    1992-06-01

    The Basalt Waste Isolation Project (BWIP) Reclamation Support Project began in the spring of 1988 by categorizing sites distributed during operations of the BWIP into those requiring revegetation and those to be abandoned or transferred to other programs. The Pacific Northwest Laboratory's role in this project was to develop plans for reestablishing native vegetation on the first category of sites, to monitor the implementation of these plans, to evaluate the effectiveness of these efforts, and to identify remediation methods where necessary. The Reclamation Support Project focused on three major areas: geologic hydrologic boreholes, the Exploratory Shaft Facility (ESF), and the Near-Surface Test Facility (NSTF). A number of BWIP reclamation sites seeded between 1989 and 1990 were found to be far below reclamation objectives. These sites were remediated in 1991 using various seedbed treatments designed to rectify problems with water-holding capacity, herbicide activity, surficial crust formation, and nutrient imbalances. Remediation was conducted during November and early December 1991. Sites were examined on a monthly basis thereafter to evaluate plant growth responses to these treatments. At all remediation sites early plant growth responses to these treatments. At all remediation sites, early plant growth far exceeded any previously obtained using other methods and seedbed treatments. Seeded plants did best where amendments consisted of soil-plus-compost or fertilizer-only. Vegetation growth on Gable Mountain was less than that found on other areas nearby, but this difference is attributed primarily to the site's altitude and north-facing orientation.

  7. Black Curriculum Orientations: A Preliminary Inquiry.

    ERIC Educational Resources Information Center

    Watkins, William H.

    1993-01-01

    Six curriculum orientations predominate in African-American educational experience: functionalism, accommodation, liberalism, Black Nationalism, Afrocentrism, and social reconstruction. Tied to the history of slavery and oppression, these orientations will continue to develop separate from the mainstream. (SK)

  8. Learning-Oriented Instructional Development Tools.

    ERIC Educational Resources Information Center

    Merrill, M. David

    1997-01-01

    Discusses design requirements, and advantages and disadvantages of the following learner-centered instructional development tools: information containers; authoring systems; templates, models, or widgets; learning-oriented instructional development tools; and adaptive learning-oriented systems. (AEF)

  9. Orientation for New Non-Faculty Employees.

    ERIC Educational Resources Information Center

    Dworak, Linda L.; Glogowski, Mary R.

    1982-01-01

    An effective orientation helps acquaint new employees with an institution's system, helps them understand their roles within it, and establishes communication channels with the administration. Careful preparation of the orientation packet and agenda are essential, and suggestions are given. (MSE)

  10. Object-oriented numerical computing C++

    NASA Technical Reports Server (NTRS)

    Vanrosendale, John

    1994-01-01

    An object oriented language is one allowing users to create a set of related types and then intermix and manipulate values of these related types. This paper discusses object oriented numerical computing using C++.

  11. General object-oriented software development

    NASA Technical Reports Server (NTRS)

    Seidewitz, Edwin V.; Stark, Mike

    1986-01-01

    Object-oriented design techniques are gaining increasing popularity for use with the Ada programming language. A general approach to object-oriented design which synthesizes the principles of previous object-oriented methods into the overall software life-cycle, providing transitions from specification to design and from design to code. It therefore provides the basis for a general object-oriented development methodology.

  12. Orientation: the key to successful, engaged staff.

    PubMed

    Blackhurst, Kristi; Dowd, Terry

    2009-01-01

    Orientation programs are an important component of employee retention and engagement, yet the importance of orientation is often overlooked by many organizations. A lack of an adequate orientation program can result in new employees finding it difficult to adapt to the organization's culture,and may lead to high turnover rates. This article relates the story of Banner Baywood Medical Center's quest to cultivate an effective orientation program and increase retention of quality, engaged employees. PMID:21595338

  13. Organizational Orientations in an Instructional Setting

    ERIC Educational Resources Information Center

    Tibbles, David; Richmond, Virginia P.; McCroskey, James C.; Weber, Keith

    2008-01-01

    Research on organizational orientations has determined that workers can be categorized into three groups on the basis of their trait orientations toward working in organizations: "upward mobiles," "indifferents," and "ambivalents." Because workers' organizational orientation is predictive of their success, we reasoned that students' orientation…

  14. Teachers' Orientations towards Selecting Assessment Strategies

    ERIC Educational Resources Information Center

    Berry, Rita

    2010-01-01

    Background: The literature suggests two main types of orientations influencing teachers' choice of assessment strategies--"Knowledge acquisition and retention (K orientation)" and "Understanding and Conceptual change (U orientation)" with the former more directly related to surface learning types of assessment strategies and the latter more to do…

  15. Web Based Profession Orientation in Elementary Education

    ERIC Educational Resources Information Center

    Bulbul, Halil Ibrahim; Sahin, Yasar Guneri; Yildiz, Turker Turan; Ercan, Tuncay

    2007-01-01

    In Turkey, the profession orientation programs for elementary education students have a critical importance. In the aspect of profession orientation application, the least dealt population is unfortunately the elementary school students. In this study, the problems caused by insufficient orientation and guidance of profession for those students…

  16. Orienteering: Growth Patterns in the United States.

    ERIC Educational Resources Information Center

    Jeffery, Charles F.

    The history of orienteering in the United States includes both military and civilian interest, with the period of greatest growth between 1970 and 1980. To investigate growth patterns in orienteering, questionnaires were mailed to 42 civilian orienteering clubs and 286 universities supporting senior Reserve Office Training Corps (ROTC)…

  17. Curriculum Orientations of Home Economics Teachers.

    ERIC Educational Resources Information Center

    Cunningham, Rebecca; And Others

    A study collected descriptive information about 152 Nebraska home economics teachers and their curriculum orientation(s). The questionnaire was adapted from the Curriculum Orientation Profile designed by Babin (1979) and revised by Carlson (1991). Teachers responded to 45 statements on a Likert-type scale. Nine statements reflected each of five…

  18. Finding the Orientation of the Stellar Spin Axis

    NASA Astrophysics Data System (ADS)

    Wilkinson, Tessa D.; Lesage, Anna-Lea

    2016-01-01

    The stellar position angle is defined as the projection of the stellar spin axis on the night sky, as measured from North to East. Measuring the stellar position angle gives information that can be used for stellar spin axis evolution and binary formation theories. Current methods to find this angle use imaging with long baseline interferometry for fast rotating stars. There is a lack of observational techniques to find the orientation of the stellar rotation axis for slow rotating stars, which make up the vast majority of stellar population. We developed a new method for determining the absolute stellar position angle for slow rotating stars using a spectro-astrometric analysis of high resolution long-slit spectra. We used the 2m Thueringer Landessternwarte (TLS) telescope to obtain high resolution spectra (R=60,000) with multiple slit orientations to test this method. The stellar rotation causes a tilt in the stellar lines, and the angle of this tilt depends on the stellar position angle and the orientation of the slit. We used a cross-correlation method to compare the subpixel displacements of the position of the photocenter at each slit orientation with telluric lines to obtain the tilt amplitude. We report the results of finding the position angle of the slow rotating K giant Aldebaran and fast rotating reference stars like Vega.

  19. Determining the orientation of transition moments and depolarization by fluorescence polarizing angle spectrum.

    PubMed

    Mu, Taotao; Chen, Siying; Zhang, Yinchao; Guo, Pan; Chen, He

    2015-05-01

    In this paper, fluorescence polarizing angle spectrum, combined with degree of polarization(DOP), is proposed to determine the spatial orientation of transition dipole moments (TDMs) and depolarization of chlorophyll in solution. It is found that, due to the oriented TDMs under polarized laser excitation, the projections of angle of polarization(AOP) and DOP on the three orthogonal planes are different from each other. Experiments demonstrate that we can acquire the spatial orientation by detecting the projections of AOP on two orthogonal planes (xOz and yOz). Meanwhile, The depolarization can also be determined by the DOP spectrums. The validity of this method has been verified by another projection on the xOy plane.

  20. Overt responses during covert orienting.

    PubMed

    Corneil, Brian D; Munoz, Douglas P

    2014-06-18

    A distributed network of cortical and subcortical brain areas controls our oculomotor behavior. This network includes the superior colliculus (SC), which coordinates an ancient visual grasp reflex via outputs that ramify widely within the brainstem and spinal cord, accessing saccadic and other premotor and autonomic circuits. In this Review, we discuss recent results correlating subliminal SC activity in the absence of saccades with diverse components of the visual grasp reflex, including neck and limb muscle recruitment, pupil dilation, and microsaccade propensity. Such subtle manifestations of covert orienting are accessible in the motor periphery and may provide the next generation of oculomotor biomarkers in health and disease. PMID:24945769

  1. Presentation-Oriented Visualization Techniques.

    PubMed

    Kosara, Robert

    2016-01-01

    Data visualization research focuses on data exploration and analysis, yet the vast majority of visualizations people see were created for a different purpose: presentation. Whether we are talking about charts showing data to help make a presenter's point, data visuals created to accompany a news story, or the ubiquitous infographics, many more people consume charts than make them. Traditional visualization techniques treat presentation as an afterthought, but are there techniques uniquely suited to data presentation but not necessarily ideal for exploration and analysis? This article focuses on presentation-oriented techniques, considering their usefulness for presentation first and any other purposes as secondary.

  2. Orientational properties of nematic disclinations.

    PubMed

    Vromans, Arthur J; Giomi, Luca

    2016-08-14

    Topological defects play a pivotal role in the physics of liquid crystals and represent one of the most prominent and well studied aspects of mesophases. While in two-dimensional nematics, disclinations are traditionally treated as point-like objects, recent experimental studies on active nematics have suggested that half-strength disclinations might in fact possess a polar structure. In this article, we provide a precise definition of polarity for half-strength nematic disclinations, we introduce a simple and robust method to calculate this quantity from experimental and numerical data and we investigate how the orientational properties of half-strength disclinations affect their relaxational dynamics. PMID:27418339

  3. Object-oriented persistent homology

    NASA Astrophysics Data System (ADS)

    Wang, Bao; Wei, Guo-Wei

    2016-01-01

    Persistent homology provides a new approach for the topological simplification of big data via measuring the life time of intrinsic topological features in a filtration process and has found its success in scientific and engineering applications. However, such a success is essentially limited to qualitative data classification and analysis. Indeed, persistent homology has rarely been employed for quantitative modeling and prediction. Additionally, the present persistent homology is a passive tool, rather than a proactive technique, for classification and analysis. In this work, we outline a general protocol to construct object-oriented persistent homology methods. By means of differential geometry theory of surfaces, we construct an objective functional, namely, a surface free energy defined on the data of interest. The minimization of the objective functional leads to a Laplace-Beltrami operator which generates a multiscale representation of the initial data and offers an objective oriented filtration process. The resulting differential geometry based object-oriented persistent homology is able to preserve desirable geometric features in the evolutionary filtration and enhances the corresponding topological persistence. The cubical complex based homology algorithm is employed in the present work to be compatible with the Cartesian representation of the Laplace-Beltrami flow. The proposed Laplace-Beltrami flow based persistent homology method is extensively validated. The consistence between Laplace-Beltrami flow based filtration and Euclidean distance based filtration is confirmed on the Vietoris-Rips complex for a large amount of numerical tests. The convergence and reliability of the present Laplace-Beltrami flow based cubical complex filtration approach are analyzed over various spatial and temporal mesh sizes. The Laplace-Beltrami flow based persistent homology approach is utilized to study the intrinsic topology of proteins and fullerene molecules. Based on a

  4. TBV-361 RESOLUTION ANALYSIS: EMPLACEMENT DRIFT ORIENTATION

    SciTech Connect

    M. Lin; D.C. Kicker; M.D. Sellers

    1999-07-17

    The purpose of this To Be Verified/To Be Determined (TBX) resolution analysis is to release ''To Be Verified'' (TBV)-361 related to the emplacement drift orientation. The system design criterion in ''Subsurface Facility System Description Document'' (CRWMS M&O 1998a, p.9) specifies that the emplacement drift orientation relative to the dominant joint orientations should be at least 30 degrees. The specific objectives for this analysis include the following: (1) Collect and evaluate key block data developed for the repository host horizon rock mass. (2) Assess the dominant joint orientations based on available fracture data. (3) Document the maximum block size as a function of drift orientation. (4) Assess the applicability of the drift orientation/joint orientation offset criterion in the ''Subsurface Facility System Description Document'' (CRWMS M&O 1998a, p.9). (5) Consider the effects of seepage on drift orientation. (6) Verify that the viability assessment (VA) drift orientation complies with the drift orientation/joint orientation offset criterion, or provide justifications and make recommendations for modifying the VA emplacement drift layout. In addition to providing direct support to the System Description Document (SDD), the release of TBV-361 will provide support to the Repository Subsurface Design Department. The results from this activity may also provide data and information needs to support the MGR Requirements Department, the MGR Safety Assurance Department, and the Performance Assessment Organization.

  5. Vestibular compensation and orientation during locomotion

    NASA Technical Reports Server (NTRS)

    Raphan, T.; Imai, T.; Moore, S. T.; Cohen, B.

    2001-01-01

    Body, head, and eye movements were studied in three dimensions while walking and turning to determine the role of the vestibular system in directing gaze and maintaining spatial orientation. The body, head, and eyes were represented as three-dimensional coordinate frames, and the movement of these frames was related to a trajectory frame that described the motion of the body on a terrestrial plane. The axis-angle of the body, head, and eye rotation were then compared to the axis-angle of the rotation of the gravitoinertial acceleration (GIA). We inferred the role of the vestibular system during locomotion and the contributions of the VCR and VOR by examining the interrelationship between these coordinate frames. Straight walking induced head and eye rotations in a compensatory manner to the linear accelerations, maintaining head pointing and gaze along the direction of forward motion. Turning generated a combination of compensation and orientation responses. The head leads and steers the turn while the eyes compensate to maintain stable horizontal gaze in space. Saccades shift horizontal gaze as the turn is executed. The head pitches, as during straight walking. It also rolls so that the head tends to align with the orientation of the GIA. Head orientation changes anticipate orientation changes of the GIA. Eye orientation follows the changes in GIA orientation so that the net orientation gaze is closer to the orientation of the GIA. The study indicates that the vestibular system utilizes compensatory and orienting mechanisms to stabilize spatial orientation and gaze during walking and turning.

  6. Stimulus factors in motion perception and spatial orientation

    NASA Technical Reports Server (NTRS)

    Post, R. B.; Johnson, C. A.

    1984-01-01

    The Malcolm horizon utilizes a large projected light stimulus Peripheral Vision Horizon Device (PVHD) as an attitude indicator in order to achieve a more compelling sense of roll than is obtained with smaller devices. The basic principle is that the larger stimulus is more similar to visibility of a real horizon during roll, and does not require fixation and attention to the degree that smaller displays do. Successful implementation of such a device requires adjustment of the parameters of the visual stimulus so that its effects on motion perception and spatial orientation are optimized. With this purpose in mind, the effects of relevant image variables on the perception of object motion, self motion and spatial orientation are reviewed.

  7. Freely Oriented, Portable Superconducting Magnet

    NASA Astrophysics Data System (ADS)

    Schmierer, E. N.; Charles, B.; Efferson, R.; Hill, D.; Jankowski, T.; Laughon, G.; Prenger, C.

    2008-03-01

    A high-field low-temperature superconducting solenoidal magnet was developed that is portable and can be operated in any orientation relative to gravity. The design consists of several features that make this feasible; 1) bulk liquid cryogen storage occurs in a separate Dewar rather than as part of the magnet assembly, which allows single-person transport due to each component of the system having low relative weight, 2) vapor generated pressurization that circulates cryogenic fluid to and from the magnet with flexible transfer lines allowing operation in any orientation, and 3) composite, low-conducting structural members are used to suspend the magnet and shield layers within the vacuum vessel that provide a robust low heat loss design. Cooling is provided to the magnet through fluid channels that are in thermal contact with the magnet. The overall design of this magnet system, some of the analyses performed that address unique behavior of this system (pressure rise during a magnet quench and transient cooldown), and test results are presented.

  8. Oriented Matrix Promotes Directional Tubulogenesis

    PubMed Central

    Soucy, Patricia A.; Hoh, Maria; Heinz, Will; Hoh, Jan; Romer, Lewis

    2014-01-01

    Detailed control over the structural organization of scaffolds and engineered tissue constructs is a critical need in the quest to engineer functional tissues using biomaterials. This work presents a new approach to the spatial direction of endothelial tubulogenesis. Micropatterned fibronectin substrates were used to control lung fibroblast adhesion and growth and the subsequent deposition of fibroblast-derived matrix during culture. The fibroblast-derived matrix produced on the micropatterned substrates was tightly oriented by these patterns, with an average variation of only 8.5°. Further, regions of this oriented extracellular matrix provided directional control of developing endothelial tubes to within 10° of the original micropatterned substrate design. Endothelial cells seeded directly onto the micropatterned substrate did not form tubes. A metric for matrix anisotropy showed a relationship between the fibroblast-derived matrix and the endothelial tubes that were subsequently developed on the same micropatterns with a resulting aspect ratio over 1.5 for endothelial tubulogenesis. Micropatterns in “L” and “Y” shapes were used to direct endothelial tubes to turn and branch with the same level of precision. These data demonstrate that anisotropic fibroblast-derived matrices instruct the alignment and shape of endothelial tube networks, thereby introducing an approach that could be adapted for future design of microvascular implants featuring organ-specific natural matrix that patterns microvascular growth. PMID:25219769

  9. Omniview motionless camera orientation system

    NASA Technical Reports Server (NTRS)

    Zimmermann, Steven D. (Inventor); Martin, H. Lee (Inventor)

    1999-01-01

    A device for omnidirectional image viewing providing pan-and-tilt orientation, rotation, and magnification within a hemispherical field-of-view that utilizes no moving parts. The imaging device is based on the effect that the image from a fisheye lens, which produces a circular image of at entire hemispherical field-of-view, which can be mathematically corrected using high speed electronic circuitry. More specifically, an incoming fisheye image from any image acquisition source is captured in memory of the device, a transformation is performed for the viewing region of interest and viewing direction, and a corrected image is output as a video image signal for viewing, recording, or analysis. As a result, this device can accomplish the functions of pan, tilt, rotation, and zoom throughout a hemispherical field-of-view without the need for any mechanical mechanisms. The preferred embodiment of the image transformation device can provide corrected images at real-time rates, compatible with standard video equipment. The device can be used for any application where a conventional pan-and-tilt or orientation mechanism might be considered including inspection, monitoring, surveillance, and target acquisition.

  10. Height ridges of oriented medialness

    NASA Astrophysics Data System (ADS)

    Furst, Jacob David

    Shape analysis of objects is an important aspect of medical image processing. Information gained from shape analysis can be used for object segmentation, object- based registration and object visualization. One shape analysis tool is the core, defined to be a height ridge of a medial strength measure made on an image. In this dissertation I present 3D cores, defined here to be optimal scale-orientation height ridges of oriented medial strength measurements. This dissertation covers (1)a medial strength measurement, Blum- like medialness, that is robust, efficient, and insensitive to intrafigural interference, (2)a new definition for a ridge, the optimal parameter height ridge, and its properties, and (3)an algorithm, Marching Ridges, for extracting cores. The medial strength measurement uses Gaussian derivatives, so is insensitive to noise, and responds to object boundaries at points rather than on entire spheres, so is faster to calculate and less sensitive to boundaries of other image figures. The Marching Ridges algorithm uses the grid structure of the image domain to identify ridge points as zero-crossings of first derivatives and to track ridges through the image domain. I include results of this algorithm on medical images of cerebral vasculature, a skull, kidneys, and brain ventricles.

  11. Pigmentary disorders in oriental skin.

    PubMed

    Jimbow, M; Jimbow, K

    1989-01-01

    Brown hyperpigmented disorders may be melanotic in which there is a normal number of epidermal melanocytes but melanin pigment is increased in the epidermis (eg, melasma), melanocytotic, in which melanocytes are increased (eg, café-au-lait macules), and nonmelanotic hyperpigmentation (eg, minocycline pigmentation). Blue hyperpigmented disorders may also be melanotic in which there is a normal number of epidermal melanocytes, but melanin pigment is present in the upper dermis (eg, gray/slate pigmentation in Riehl's melanosis), melanocytotic in which melanocytes are present in both the epidermis and dermis (eg, blue pigmentation in Nevus Ota and Mongolian spot), and nonmelanotic hyperpigmentation in which pigment is present in the deep dermis (eg, blue pigmentation in tattoos). Hypomelanosis (leukoderma) may be divided histopathologically into melanocytopenic disorders on which melanocytes are absent (eg, Vogt-Koyanagi-Harada syndrome and vitiligo), melanopenic disorders in which melanocytes are present but melanin is reduced (eg, nevus depigmentosus and incontinentia pigmenti achromians), and nonmelanotic disorders in which melanin pigmentation is unaffected (nevus anemicus) and the pigmentary abnormality is caused by something other than melanin. There are numerous pigmentary disorders in the oriental skin, and some of them are either characteristic to or established in the orientals. Importantly, a number of congenital hypermelanotic and hypomelanotic diseases (eg, nevus depigmentosus, incontinentia pigmenti, and incontinentia pigmenti achromians, take a distribution following to the Blaschko's line.

  12. Orientation and disorientation in aviation

    PubMed Central

    2013-01-01

    On the ground, the essential requirement to remain orientated is a largely unconscious activity. In flight, orientation requires a conscious effort by the pilot particularly when the visual environment becomes degraded and a deceptive force environment becomes the frame of reference. Furthermore, an unusual force environment can determine the apparent location of objects within a limited visual scene, sometimes with disastrous consequences. This review outlines the sources of pilot disorientation that arise from the visual and force environment of flight and their interaction. It challenges the value of the traditional illusion-based approach to the subject both to aircrew and to surveys of disorientation. Also, it questions the emphasis on the shortcomings of vestibular function as the physiological basis for disorientation. While military accidents from all causes have shown a decline, there has been no corresponding reduction in accidents involving disorientation, 85% of which are the results of unrecognised disorientation. This finding has implications for the way in which pilots are taught about disorientation in the interest of enhanced flight safety. It argues for a greater use of conventional fixed base simulators to create disorientating scenarios rather than complex motion devices to create unusual sensations. PMID:23849216

  13. Quantifying axis orientation in 3D using polarization-sensitive optical coherence tomography (Conference Presentation)

    NASA Astrophysics Data System (ADS)

    Liu, Chao; Black, Adam J.; Wang, Hui; Akkin, Taner

    2016-03-01

    The optic axis of birefringent tissues indicates the direction of structural anisotropy. Polarization-sensitive Optical Coherence Tomography (PS-OCT) can provide reflectivity contrast as well as retardance and optic axis orientation contrasts that originate from tissue birefringence. We introduce imaging 3D tissue anisotropy by using a single-camera and polarization-maintaining fiber (PMF) based PS-OCT, which utilizes normal and angled illuminations. Because environmental factors such as the movement of PMF and temperature fluctuations induce arbitrary phase changes, the optic axis orientation measurement has a time-varying offset. In order to measure the absolute axis orientation, we add a calibration path which dynamically provides the arbitrary offset to be subtracted from the relative axis orientation values. The axis orientation on the normal plane is the 2D projection of the fiber direction in 3D space. We propose to characterize the axis orientation in different planes (xy, xy' and x'y planes) by using normal and angled illuminations. This allows calculation of the polar angle that completes the orientation information in 3D. Polarization-based optical systems relying on one illumination angle measure the "apparent birefringence" that light encounters rather than the "true birefringence". Birefringence as a measure of anisotropy is quantified with the orientation information in 3D. The method and validation with a biological tissue are presented. The study can facilitate imaging and mapping the structural connections in anisotropic tissues including the brain.

  14. Preventing Distress and Burnout--A Project That Worked: The New Teacher and Teacher Aide Project.

    ERIC Educational Resources Information Center

    Foster, Herbert L.

    The New Teacher and Teacher Aide Project, a joint venture of the Faculty of Educational Studies, State University of New York at Buffalo and the Buffalo Public Schools, was designed to help new secondary teachers of disadvantaged youth in an inner-city school system. The project had four components: (1) a pre-program orientation; (2) small group…

  15. Project Tradition and Technology (Project TNT): The Hualapai Bilingual Academic Excellence Program.

    ERIC Educational Resources Information Center

    Reed, Michael D.; And Others

    Project Tradition and Technology (TNT) at Peach Springs Elementary School (Peach Springs, Arizona) is 1 of 12 programs recognized nationally as an outstanding model of bilingual education by the U.S. Department of Education. Project TNT is a process-oriented curriculum development model that identifies the community's needs and expectations for…

  16. Evaluating low pass filters on SPECT reconstructed cardiac orientation estimation

    NASA Astrophysics Data System (ADS)

    Dwivedi, Shekhar

    2009-02-01

    Low pass filters can affect the quality of clinical SPECT images by smoothing. Appropriate filter and parameter selection leads to optimum smoothing that leads to a better quantification followed by correct diagnosis and accurate interpretation by the physician. This study aims at evaluating the low pass filters on SPECT reconstruction algorithms. Criteria for evaluating the filters are estimating the SPECT reconstructed cardiac azimuth and elevation angle. Low pass filters studied are butterworth, gaussian, hamming, hanning and parzen. Experiments are conducted using three reconstruction algorithms, FBP (filtered back projection), MLEM (maximum likelihood expectation maximization) and OSEM (ordered subsets expectation maximization), on four gated cardiac patient projections (two patients with stress and rest projections). Each filter is applied with varying cutoff and order for each reconstruction algorithm (only butterworth used for MLEM and OSEM). The azimuth and elevation angles are calculated from the reconstructed volume and the variation observed in the angles with varying filter parameters is reported. Our results demonstrate that behavior of hamming, hanning and parzen filter (used with FBP) with varying cutoff is similar for all the datasets. Butterworth filter (cutoff > 0.4) behaves in a similar fashion for all the datasets using all the algorithms whereas with OSEM for a cutoff < 0.4, it fails to generate cardiac orientation due to oversmoothing, and gives an unstable response with FBP and MLEM. This study on evaluating effect of low pass filter cutoff and order on cardiac orientation using three different reconstruction algorithms provides an interesting insight into optimal selection of filter parameters.

  17. DSN human factors project

    NASA Technical Reports Server (NTRS)

    Chafin, R. L.; Martin, T. H.

    1980-01-01

    The project plan was to hold focus groups to identify the factors influencing the ease of use characteristics of software and to bond the problem. A questionnaire survey was conducted to evaluate those factors which were more appropriately measured with that method. The performance oriented factors were analyzed and relationships hypothesized. The hypotheses were put to test in the experimental phase of the project. In summary, the initial analysis indicates that there is an initial performance effect favoring computer controlled dialogue but the advantage fades fast as operators become experienced. The user documentation style is seen to have a significant effect on performance. The menu and prompt command formats are preferred by inexperienced operators. The short form mnemonic is least favored. There is no clear best command format but the short form mnemonic is clearly the worst.

  18. Spatial orientation of caloric nystagmus.

    PubMed

    Arai, Yasuko; Yakushin, Sergei B; Dai, Mingjia; Kunin, Mikhail; Raphan, Theodore; Suzuki, Jun-ichi; Cohen, Bernard

    2002-04-01

    The spatial orientation of the slow-phase eye velocity of caloric nystagmus was investigated in cynomolgus monkeys after all six semicircular canals had been plugged. Normal animals generate responses that have dominant convective components produced by movement of the endolymph in the lateral canal toward or away from gravity. As a result, the direction of horizontal slow-phase velocity induced by cold-water irrigation changes direction with changes in head position with regard to gravity. Plugging produced a dense overgrowth of bone that blocked the flow of endolymph, but the end organs were intact. Robust caloric nystagmus was elicited after recovery, but the horizontal (yaw) component was now always toward the stimulated (ipsilateral) side, regardless of head position re gravity. The induced caloric nystagmus had strong spatial orientation properties after canal plugging. With animals upright, the three-dimensional velocity vector of the caloric nystagmus was close to the yaw axis with small vertical and roll components. Roll components became stronger in supine and prone positions and vertical components were enhanced in the right- and left-side down positions. In each instance, the addition of the roll and vertical components moved the velocity vector of the nystagmus closer to the spatial vertical. Modeling supported the postulate that the caloric nystagmus after canal plugging is influenced by three factors: (1) a reduction in neural activity in the ampullary nerves on the stimulated side due to cooling of the nerves; (2) contraction of the endolymph in the closed space between the cupula and the plug due to cooling, which resulted in deflection of the cupula and hair cells toward the plug (ampullofugal deflection); and (3) alignment of eye velocity to gravity due to the orientation properties of velocity storage. Although convection is the most prominent factor in producing caloric responses in the normal state, our results suggest that alteration of nerve

  19. Student goal orientation in learning inquiry skills with modifiable software advisors

    NASA Astrophysics Data System (ADS)

    Shimoda, Todd A.; White, Barbara Y.; Frederiksen, John R.

    2002-03-01

    A computer support environment (SCI-WISE) for learning and doing science inquiry projects was designed. SCI-WISE incorporates software advisors that give general advice about a skill such as hypothesizing. By giving general advice (rather than step-by-step procedures), the system is intended to help students conduct experiments that are more epistemologically authentic. Also, students using SCI-WISE can select the type of advice the advisors give and when they give advice, as well as modify the advisors' knowledge bases. The system is based partly on a theoretical framework of levels of agency and goal orientation. This framework assumes that giving students higher levels of agency facilitates higher-level goal orientations (such as mastery or knowledge building as opposed to task completion) that in turn produce higher levels of competence. A study of sixth grade science students was conducted. Students took a pretest questionnaire that measured their goal orientations for science projects and their inquiry skills. The students worked in pairs on an open-ended inquiry project that requires complex reasoning about human memory. The students used one of two versions of SCI-WISE - one that was modifiable and one that was not. After finishing the project, the students took a posttest questionnaire similar to the pretest, and evaluated the version of the system they used. The main results showed that (a) there was no correlation of goal orientation with grade point average, (b) knowledge-oriented students using the modifiable version tended to rate SCI-WISE more helpful than task-oriented students, and (c) knowledge-oriented pairs using the nonmodifiable version tended to have higher posttest inquiry skills scores than other pair types.

  20. A new method of constraining the orientation of radio-loud quasars on kpc scales

    NASA Astrophysics Data System (ADS)

    Rauch, Andreas P.

    We describe a new method to constrain the orientation of single FR II radio quasars with 'triple' morphology on kpc scales. To achieve this, we combine two orientation indicators, projected size and core dominance. More precisely, we use the projected linear size of a quasar's brighter arm, lB, and compare it to predictions from a Monte Carlo simulation based model. The latter contains model distributions for the orientation angle (θ) and the intrinsic (unprojected) arm length (D). We determine the latter by fitting the model's parameters to a lobe-selected sub-sample (LSS) of a sample of quasars that extends to high redshifts (Gobeille 2010). The LSS is assumed to be isotropic in the sense that p(cosθ) = constant for for 0 ≤ θ ≤ θ max, with θmax marking the angle above which sources are identified as radio galaxies. We find that a quasar's arm length is independent of its engine's power (or unbeamed luminosity), but tends to be smaller at higher redshifts by a factor of 1/(1+z ). From the redshift-adjusted lB = lB, unadjusted · (1+z) we infer the conditional orientation distribution p(θ| lB). In particular, it restricts large sources to correspondingly large minimum orientation angles (θmin). Another orientation indicator is the radio core dominance R (= Score/Slobe, e.g. Orr & Browne (1982)) or its modification RV (Score/Soptical, suggested by Wills & Brotherton (1995)). We find RV to be a better orientation indicator than radio core dominance. We then combine lB with the optical core dominance (RV). Again by fitting our Monte Carlo simulations to LSS data, we infer the conditional orientation distribution p(θ|lB, RV). This can be applied to individual sources. For one quarter of our sources, we can restrict their orientation to +/-5° (with 50% confidence). These orientation distributions are most sharply peaked for sources with large values of lB and/or RV. While we also consider the projected bending angle (ϕ), we conclude that we require a

  1. Concurrent object-oriented programming

    SciTech Connect

    Agha, G. . Dept. of Computer Science)

    1990-09-01

    Current development of concurrent object-oriented programming (COOP) is providing a solid software foundation for concurrent computing on multiprocessors. Future generation computing systems are likely to be based on the foundations being developed by this emerging software technology. The goal of this article is to discuss the foundations and methodology of COOP. Concurrency refers to the potentially parallel execution of parts of a computation. In a concurrent computation, the components of a program may be executed sequentially, or they may be executed in parallel. Concurrency provides the flexibility to interleave the execution of components of a program on a single processor, or to distribute it among several processors. Concurrency abstracts away some of the details in an execution, allowing us to concentrate on conceptual issues without having to be concerned with a particular order of execution which may result from the quirks of a given system.

  2. Acoustic controlled rotation and orientation

    NASA Technical Reports Server (NTRS)

    Barmatz, Martin B. (Inventor); Allen, James L. (Inventor)

    1989-01-01

    Acoustic energy is applied to a pair of locations spaced about a chamber, to control rotation of an object levitated in the chamber. Two acoustic transducers applying energy of a single acoustic mode, one at each location, can (one or both) serve to levitate the object in three dimensions as well as control its rotation. Slow rotation is achieved by initially establishing a large phase difference and/or pressure ratio of the acoustic waves, which is sufficient to turn the object by more than 45 deg, which is immediately followed by reducing the phase difference and/or pressure ratio to maintain slow rotation. A small phase difference and/or pressure ratio enables control of the angular orientation of the object without rotating it. The sphericity of an object can be measured by its response to the acoustic energy.

  3. Torture, sex and military Orientalism.

    PubMed

    Owens, Patricia

    2010-01-01

    This article revisits the debate about recent American torture practices, particularly the use of discredited anthropological texts to validate long-held Orientalist assumptions about the sexual vulnerability of Muslim males. Such practices are placed in an historical context of older imperial constructions of sexually deviant Muslims as well as of more general forms of gendered and sexual subordination required for war. American torturers intended to produce very particular objects of torture—ones willing and able to confess their 'true' orientation in terms of a binary hetero/homo sexual code established in 19th-century Europe. The torturers had the power to confirm through confession and re-enactment their crude assumptions, irrespective of the actual sexualities of those being tortured, with consequences for the transnational and reactionary politics of sexual identity. PMID:21280374

  4. Orientation in birds. Olfactory navigation.

    PubMed

    Papi, F

    1991-01-01

    Research work on the olfactory navigation of birds, which has only recently attracted attention, has shown that many wild species rely on an osmotactic mechanism to find food sources, even at a considerable distance. The homing pigeon, the only bird to have been thoroughly investigated with respect to olfactory navigation, has been found to rely on local odours for homeward orientation, and to integrate olfactory cues perceived during passive transportation with those picked up at the release site. It is possible to design experiments in which birds are given false olfactory information, and predictions about the effects of this can be made and tested. Pigeons are able to home from unfamiliar sites because they acquire an olfactory map extending beyond the area they have flown over. The olfactory map is built up by associating wind-borne odours with the direction from which they come; this was shown by experiments which aimed to prevent, limit or alter this association. One aim of the research work has been to test whether pigeons flying over unfamiliar areas also rely or can learn to rely on non-olfactory cues, depending on their local availability, and/or on the methods of rearing and training applied to them. Various evaluations have been made of the results; the most recent experiments, however, confirm that pigeons do derive directional information from atmospheric odours. A neurobiological approach is also in progress; its results show that some telencephalic areas are involved in orientation and olfactory navigation. The lack of any knowledge about the distribution and chemical nature of the odorants which allow pigeons to navigate hinders progress in this area of research.

  5. Examination of the relationship between project management critical success factors and project success of oil and gas drilling projects

    NASA Astrophysics Data System (ADS)

    Alagba, Tonye J.

    Oil and gas drilling projects are the primary means by which oil companies recover large volumes of commercially available hydrocarbons from deep reservoirs. These types of projects are complex in nature, involving management of multiple stakeholder interfaces, multidisciplinary personnel, complex contractor relationships, and turbulent environmental and market conditions, necessitating the application of proven project management best practices and critical success factors (CSFs) to achieve success. Although there is some practitioner oriented literature on project management CSFs for drilling projects, none of these is based on empirical evidence, from research. In addition, the literature has reported alarming rates of oil and gas drilling project failure, which is attributable not to technical factors, but to failure of project management. The aim of this quantitative correlational study therefore, was to discover an empirically verified list of project management CSFs, which consistent application leads to successful implementation of oil and gas drilling projects. The study collected survey data online, from a random sample of 127 oil and gas drilling personnel who were members of LinkedIn's online community "Drilling Supervisors, Managers, and Engineers". The results of the study indicated that 10 project management factors are individually related to project success of oil and gas drilling projects. These 10 CSFs are namely; Project mission, Top management support, Project schedule/plan, Client consultation, Personnel, Technical tasks, Client acceptance, Monitoring and feedback, Communication, and Troubleshooting. In addition, the study found that the relationships between the 10 CSFs and drilling project success is unaffected by participant and project demographics---role of project personnel, and project location. The significance of these findings are both practical, and theoretical. Practically, application of an empirically verified CSFs list to oil

  6. Gravity-Independent Orientation of Honeycomb Cells

    NASA Astrophysics Data System (ADS)

    Pratt, S. C.

    Honey bees have long been assumed to build their comb with the cells in either of two preferred orientations with respect to gravity ("vertical" or "horizontal"). I show here that these typical cell orientations in fact derive from substrate orientation and a simple building rule, rather than the influence of gravity itself. When bees were induced to build comb on substrates at four different orientations with respect to gravity, they always made cells with one vertex pointing directly toward the substrate. This produced horizontal and vertical cells on vertical and horizontal substrates, respectively, but yielded intermediate orientations on oblique substrates. The apparent preference for vertical and horizontal cells may simply reflect substrate orientation in the rectilinear hives from which cell measurements have been taken.

  7. Sport orientation model for wheelchair basketball athletes.

    PubMed

    Skordilis, E K; Stavrou, N A

    2005-06-01

    This study examined the validity of the Sport Orientation Questionnaire (Competitiveness: 13 items, Win Orientation: 6 items, and Goal Orientation: 6 items) in a sample of 195 wheelchair basketball athletes from the USA. Following evidence for sample-specific validity, the measurement model that underlies the questionnaire was examined. A short-form with 15 items for three factors of Competitiveness (7 items), Win Orientation (5 items) and Goal Orientation (3 items) fit the data (X2/df ratio=2.21, NNFI=.892, CFI=.991, RCFI=.935, SRMR=.058, RMSEA=.071). To evaluate the findings further, we cross-validated the short-form by sex. Structural equation modeling indicated there were similar measurement properties and factor structures for the men and women, indicating similar conceptualization of sport orientations. Meaningful comparisons across sex may be undertaken, since both men and women who are wheelchair basketball athletes perceive the three short-form SOQ factors similarly.

  8. Modal survey test of the oriented scintillation spectrometer experiment

    NASA Astrophysics Data System (ADS)

    Paule, David W.

    The modal survey test of the Oriented Scintillation Spectrometer Experiment (OSSE) projected for the Space Shuttle, and the revision to the NASTRAN mathematical model of the (OSSE) primary structure, are discussed. The updated model is used to predict element loads for the calculation of margins of safety. Changes including alteration of the stiffness of the springs representing the rotational stiffnesses of the gearboxes, and lowering of the stiffnesses of the aft diagonal strut and the back plate, brought the frequencies of the first six modes of the NASTRAN model to within 4 percent of the test modes.

  9. The Habitat Demonstration Unit Project

    NASA Technical Reports Server (NTRS)

    Kennedy, Kriss J.; Gill, Tracy; Tri, Terry; Howe, Scott

    2009-01-01

    This paper will describe an overview of the NASA-led multi-center Habitat Demonstration Unit (HDU) Project. The HDU project is a technology-pull project that integrates technologies and innovations from numerous NASA centers. This project will be used to investigate and validate surface architectures, operations concepts, and requirements definition. The HDU project will be part of the 2010 Desert Research and Technologies Simulations (DRATS). The purpose of this project is to develop, integrate, test, and evaluate a HDU in the context of the mission architectures and surface operation concepts. This HDU is based on the Constellation Architecture Scenario 12.1 concept of a vertically oriented habitat module. A multi-center approach with be utilized to build, integrate, and test the HDU project through a shared collaborative effort of multiple NASA centers. This project is part of the strategic plan from the ESMD Directorate Integration Office (DIO) and the Lunar Surface Systems Project Office (LSSPO) to test surface elements in a surface analog environment which includes two Lunar Electric Rovers and the HDU during the 2010 analog field test. This paper will describe the overall objectives, its various configurations, strategic plan, and technology integration as it pertains to the 2010 and 2011 field analog tests.

  10. Biaxially oriented film on flexible polymeric substrate

    DOEpatents

    Finkikoglu, Alp T.; Matias, Vladimir

    2009-10-13

    A flexible polymer-based template having a biaxially oriented film grown on the surface of a polymeric substrate. The template having the biaxially oriented film can be used for further epitaxial growth of films of interest for applications such as photovoltaic cells, light emitting diodes, and the like. Methods of forming such a flexible template and providing the polymeric substrate with a biaxially oriented film deposited thereon are also described.

  11. A biologic perspective on sexual orientation.

    PubMed

    Pillard, R C; Bailey, J M

    1995-03-01

    Sexual orientation may be defined as the sustained erotic attraction to members of one's own gender, the opposite gender, or both--homosexual, heterosexual, or bisexual, respectively. Interest in sexual orientation is as old as the science of psychology, yet many fundamental issues remain unresolved. This article reviews research in the development and psychopathology of sexual orientation as well as the results of family and twin studies. Research in genetic linkage, sex hormones, and brain differences also is discussed. PMID:7761309

  12. Project Gifted.

    ERIC Educational Resources Information Center

    Cranston School Dept., RI.

    Covered in the short discussion of Project Gifted for Intermediate grade children are program description, instructional strategy, classification of question categories to cue various levels of thinking, traits common to intellectually gifted students, and procedure for selection of students participating in Project Gifted. Project Gifted is…

  13. Fostering Teacher Development to a Tetrahedral Orientation in the Teaching of Chemistry

    NASA Astrophysics Data System (ADS)

    Lewthwaite, Brian; Wiebe, Rick

    2011-11-01

    This paper reports on the initial outcomes from the end of the fourth year of a 5 year research and professional development project to improve chemistry teaching among three cohorts of chemistry teachers in Manitoba, Canada. The project responds to a new curriculum introduction advocating a tetrahedral orientation (Mahaffy, Journal of Chemical Education 83(1), 49-55, 2006) to the teaching of chemistry. The project in its entirety is based upon several theoretical models in fostering chemistry teacher development (in particular Bronfenbrenner's bio-ecological model). These models are described, as is the progress made by teachers based upon the use of a Chemistry Teacher Inventory and associated teacher responses. Overall, statistical analysis of perceptions of their own teaching and comments made by teachers suggests they are showing limited development towards a tetrahedral orientation, albeit in a manner consistent with the curriculum. Ongoing research-based activities in this project are also described.

  14. Emotion recognition (sometimes) depends on horizontal orientations

    PubMed Central

    Huynh, Carol M; Balas, Benjamin

    2014-01-01

    Face recognition depends critically on horizontal orientations (Goffaux & Dakin, 2010). Face images that lack horizontal features are harder to recognize than those that have that information preserved. Presently, we asked if facial emotional recognition also exhibits this dependency by asking observers to categorize orientation-filtered happy and sad expressions. Furthermore, we aimed to dissociate image-based orientation energy from object-based orientation by rotating images 90-degrees in the picture-plane. In our first experiment, we showed that the perception of emotional expression does depend on horizontal orientations and that object-based orientation constrained performance more than image-based orientation. In Experiment 2 we showed that mouth openness (i.e. open versus closed-mouths) also influenced the emotion-dependent reliance on horizontal information. Lastly, we describe a simple computational analysis that demonstrates that the impact of mouth openness was not predicted by variation in the distribution of orientation energy across horizontal and vertical orientation bands. Overall, our results suggest that emotion recognition does largely depend on horizontal information defined relative to the face, but that this bias is modulated by multiple factors that introduce variation in appearance across and within distinct emotions. PMID:24664854

  15. Using partial sensor information to orient parts

    SciTech Connect

    Akella, S.; Mason, M.T.

    1999-10-01

    Parts orienting, the process of bringing parts in initially unknown orientations to a goal orientation, is an important aspect of automated assembly. The most common industrial orienting systems are vibratory bowl feeders, which use the shape and mass properties of parts to orient them. Bowl feeders rely on a sequence of mechanical operations and typically do not use sensors. In this paper, the authors describe the use of partial information sensors along with a sequence of pushing operations to eliminate uncertainty in the orientation of parts. The authors characterize the shorter execution lengths of sensor-based plans and show that sensor-based plans are more powerful than sensorless plans in that they can bring a larger class of parts to distinct orientations. The authors characterize the relation among part shape, orientability; and recognizability to identify conditions under which a single plan can orient and recognize multiple part shapes. Although part shape determines the results of the actions and the sensed information, the authors establish that differences in part shape do not always lead to differences in part behavior. The authors show that for any convex polygon, there exists an infinite set of nonsimilar convex polygons that behave identically under linear normal pushes. Furthermore, there exists a infinite set of nonsimilar convex polygons whose behavior cannot be distinguished even with diameter sensing after each push. They authors have implemented several planners and demonstrated generated plans in experiments.

  16. Azimuth orientation of the dragonfly (Sympetrum)

    NASA Technical Reports Server (NTRS)

    Hisada, M.

    1972-01-01

    Evidence is presented of directional orientation by an alighting dragonfly relative to the azimuth of the sun. The effects of wind direction on this orientation are analyzed. It was concluded that wind does not play a major role in orientation but may have some secondary function in helping greater numbers of dragonflies face windward more often than leeward. A search was made to find the principle sensory receptor for orientation. Two possibilities, the large compound eye and the frontal ocelli, were noted; however, no conclusive evidence could be found.

  17. Participatory and Action-Oriented Dissertations:The Challenges and Importance of Community-Engaged Graduate Research

    ERIC Educational Resources Information Center

    van der Meulen, Emily

    2011-01-01

    Graduate students commonly experience isolation and estrangement when conducting their final research projects, which can contribute to difficulties in completion. A creative and socially beneficial way to offset academic isolation is for graduate students to engage in participatory and action-oriented research projects with local communities.…

  18. Research Information Needs of Public Policy Oriented Researchers at a Regional University: Issues Emerging from a Pilot Study

    ERIC Educational Resources Information Center

    Miller, Faye

    2008-01-01

    This article presents the results of a pilot study of the research information needs, behaviour and source preferences of academic researchers at a regional university engaged in a public policy research project. In-depth interviews with three public policy oriented academic researchers undertaking interdisciplinary research projects at Charles…

  19. [Vocational orientation in medical rehabilitation: development of a practice handbook and a homepage as user-oriented media for rehabilitative practice].

    PubMed

    Lukasczik, M; Löffler, S; Gerlich, C; Wolf, H-D; Neuderth, S

    2011-06-01

    Vocational orientation in medical rehabilitation has become an important issue in rehabilitation science and practice in Germany. Although a variety of vocationally oriented interventions has been developed in recent years, there is still a lack of consensus with regard to the definition of specific types of interventions as well as relevant criteria (e. g., methods; instruments; duration/frequency; patient groups). Building on preliminary definitions, basic types of vocationally oriented measures/interventions were conceptually modified and refined in the context of a consensual process. 39 experts of various professions were contacted during a 2-stage Delphi survey to evaluate existing definitions of vocationally oriented interventions using key questions. Standardized descriptions of 5 vocationally oriented basic interventions were specified in cooperation with an interdisciplinary panel of experts. Descriptions were published in a workbook and a homepage for researchers and clinicians, which also contain information on the implementation of measures into rehabilitative care as well as good practice examples. The media developed in this project may contribute to the transfer of research results on vocationally oriented rehabilitation into health care practice.

  20. [Vocational orientation in medical rehabilitation: development of a practice handbook and a homepage as user-oriented media for rehabilitative practice].

    PubMed

    Lukasczik, M; Löffler, S; Gerlich, C; Wolf, H-D; Neuderth, S

    2011-06-01

    Vocational orientation in medical rehabilitation has become an important issue in rehabilitation science and practice in Germany. Although a variety of vocationally oriented interventions has been developed in recent years, there is still a lack of consensus with regard to the definition of specific types of interventions as well as relevant criteria (e. g., methods; instruments; duration/frequency; patient groups). Building on preliminary definitions, basic types of vocationally oriented measures/interventions were conceptually modified and refined in the context of a consensual process. 39 experts of various professions were contacted during a 2-stage Delphi survey to evaluate existing definitions of vocationally oriented interventions using key questions. Standardized descriptions of 5 vocationally oriented basic interventions were specified in cooperation with an interdisciplinary panel of experts. Descriptions were published in a workbook and a homepage for researchers and clinicians, which also contain information on the implementation of measures into rehabilitative care as well as good practice examples. The media developed in this project may contribute to the transfer of research results on vocationally oriented rehabilitation into health care practice. PMID:21626462

  1. Collaborative Writing among Second Language Learners in Academic Web-Based Projects

    ERIC Educational Resources Information Center

    Kessler, Greg; Bikowski, Dawn; Boggs, Jordan

    2012-01-01

    This study investigates Web-based, project oriented, many-to-many collaborative writing for academic purposes. Thirty-eight Fulbright scholars in an orientation program at a large Midwestern university used a Web-based word processing tool to collaboratively plan and report on a research project. The purpose of this study is to explore and…

  2. Student's Microsatellite Project

    NASA Astrophysics Data System (ADS)

    Zelentsov, Victor; Kopik, Anatoliy; Karpenko, Stanislav; Mayorova, Victoria

    2002-01-01

    Nowadays BMSTU Youth space center carries on development of the microsatellite project. The project is based on principles of students direct involvement on all stages of development and maintenance of the satellite. The group of students was organized within the university with purpose of coordination of work at the program. Project current condition The work on creation of an experimental model of the micro satellite is performed. The aim is to define the structure and parameters of on-board devices (mass-overall dimensions characteristics, energy consumption and so on). developed. According to the simplified model an active stabilization system (three orthogonal electro-magnetic coils) and orientation characterization system (sunlight detector and magnitometer) are included in OCS structure. most suitable battery storage, power-supply controlling system. Student micro-satellite program goals 1.Scientific Information gaining in the field of Earth study- using perspective research methods. Studying of new devices behavior in space conditions. 2. Educative a. Students derive real experience of projecting, building of a spacecraft from the point of view of an experimenter, a constructor and a researcher. b. Organization of student's cooperation with key men of aerospace industry and other branches. c. Brainpower and material base preparation for micro-satellite systems' development. d. Attraction of youth interest to the topic, by: - Students' and pupils' groups attraction and involvement in experiments conduction and results processing. - Seminars and lections devoted to Earth study from the space organization - Specific scientific data distribution over World Wide Web. 3. International With purpose of program expansion, the developers' group looks to start of an international project. Within the project new experiments conduction and scientific information exchange are expected. 4. Status Bauman Moscow State Technical University's status improvement in the field

  3. Stress magnitudes in the crust: constraints from stress orientation and relative magnitude data

    USGS Publications Warehouse

    Zoback, M.L.; Magee, M.

    1991-01-01

    The World Stress Map Project is a global cooperative effort to compile and interpret data on the orientation and relative magnitudes of the contemporary in situ tectonic stress field in the Earth's lithosphere. The intraplate stress field in both the oceans and continents is largely compressional with one or both of the horizontal stresses greater than the vertical stress. The regionally uniform horizontal intraplate stress orientations are generally consistent with either relative or absolute plate motions indicating that plate-boundary forces dominate the stress distribution within the plates. Current models of stresses due to whole mantle flow inferred from seismic topography models predict a general compressional stress state within continents but do not match the broad-scale horizontal stress orientations. The broad regionally uniform intraplate stress orientations are best correlated with compressional plate-boundary forces and the geometry of the plate boundaries. -from Authors

  4. Aversive learning shapes neuronal orientation tuning in human visual cortex

    PubMed Central

    McTeague, Lisa M.; Gruss, L. Forest; Keil, Andreas

    2015-01-01

    The responses of sensory cortical neurons are shaped by experience. As a result perceptual biases evolve, selectively facilitating the detection and identification of sensory events that are relevant for adaptive behaviour. Here we examine the involvement of human visual cortex in the formation of learned perceptual biases. We use classical aversive conditioning to associate one out of a series of oriented gratings with a noxious sound stimulus. After as few as two grating-sound pairings, visual cortical responses to the sound-paired grating show selective amplification. Furthermore, as learning progresses, responses to the orientations with greatest similarity to the sound-paired grating are increasingly suppressed, suggesting inhibitory interactions between orientation-selective neuronal populations. Changes in cortical connectivity between occipital and fronto-temporal regions mirror the changes in visuo-cortical response amplitudes. These findings suggest that short-term behaviourally driven retuning of human visual cortical neurons involves distal top–down projections as well as local inhibitory interactions. PMID:26215466

  5. Image-based estimation of ventricular fiber orientations for personalized modeling of cardiac electrophysiology.

    PubMed

    Vadakkumpadan, Fijoy; Arevalo, Hermenegild; Ceritoglu, Can; Miller, Michael; Trayanova, Natalia

    2012-05-01

    Technological limitations pose a major challenge to acquisition of myocardial fiber orientations for patient-specific modeling of cardiac (dys)function and assessment of therapy. The objective of this project was to develop a methodology to estimate cardiac fiber orientations from in vivo images of patient heart geometries. An accurate representation of ventricular geometry and fiber orientations was reconstructed, respectively, from high-resolution ex vivo structural magnetic resonance (MR) and diffusion tensor (DT) MR images of a normal human heart, referred to as the atlas. Ventricular geometry of a patient heart was extracted, via semiautomatic segmentation, from an in vivo computed tomography (CT) image. Using image transformation algorithms, the atlas ventricular geometry was deformed to match that of the patient. Finally, the deformation field was applied to the atlas fiber orientations to obtain an estimate of patient fiber orientations. The accuracy of the fiber estimates was assessed using six normal and three failing canine hearts. The mean absolute difference between inclination angles of acquired and estimated fiber orientations was 15.4°. Computational simulations of ventricular activation maps and pseudo-ECGs in sinus rhythm and ventricular tachycardia indicated that there are no significant differences between estimated and acquired fiber orientations at a clinically observable level. PMID:22271833

  6. Orientation and Magnitude of Mars' Magnetic Field

    NASA Technical Reports Server (NTRS)

    1997-01-01

    This image shows the orientation and magnitude of the magnetic field measured by the MGS magnetometer as it sped over the surface of Mars during an early aerobraking pass (Day of the year, 264; 'P6' periapsis pass). At each point along the spacecraft trajectory we've drawn vectors in the direction of the magnetic field measured at that instant; the length of the line is scaled to show the relative magnitude of the field. Imagine traveling along with the MGS spacecraft, holding a string with a magnetized needle on one end: this essentially a compass with a needle that is free to spin in all directions. As you pass over the surface the needle would swing rapidly, first pointing towards the planet and then rotating quickly towards 'up' and back down again. All in a relatively short span of time, say a minute or two, during which time the spacecraft has traveled a couple of hundred miles. You've just passed over one of many 'magnetic anomalies' thus far detected near the surface of Mars. A second major anomaly appears a little later along the spacecraft track, about 1/4 the magnitude of the first - can you find it? The short scale length of the magnetic field signature locates the source near the surface of Mars, perhaps in the crust, a 10 to 75 kilometer thick outer shell of the planet (radius 3397 km).

    The Jet Propulsion Laboratory's Mars Surveyor Operations Project operates the Mars Global Surveyor spacecraft with its industrial partner, Lockheed Martin Astronautics, from facilities in Pasadena, CA and Denver, CO. JPL is an operating division of California Institute of Technology (Caltech).

  7. Computerized background-oriented schlieren

    NASA Astrophysics Data System (ADS)

    Meier, G. E. A.

    2002-06-01

    A schlieren measurement technique based on computer evaluation of image variations due to refractive index variations in the propagation medium is presented; in what follows, this concept is referred to as the "background-oriented schlieren" (BOS) method. The differences between BOS and other optical techniques for refractive index measurement are the governing role of numerical methods, the extremely small amount of optical equipment, the high accuracy, the bidirectional sensitivity, the fast evaluation, and the missing field limitations. The principle of the method is the numerical comparison of a schlieren distorted and an undistorted image of a deliberate background. The method has become usable in practice owing to the immense progress in computing power and to newly developed fast-correlation algorithms. The extension of this method to space resolving techniques is possible. Some experimental studies show the applicability. Examples are a mixing turbulent jet, a supersonic jet, a shed vortex, and the sound wave of a gun shot. These few results underline the encouraging prospect for the future applicability of this technique. The BOS method offers not only the possibility of qualitative and quantitative schlieren investigations but also has the potential to determine density fields by integration of the measured gradient fields.

  8. Multiphysics Object Oriented Simulation Environment

    SciTech Connect

    2014-02-12

    The Multiphysics Object Oriented Simulation Environment (MOOSE) software library developed at Idaho National Laboratory is a tool. MOOSE, like other tools, doesn’t actually complete a task. Instead, MOOSE seeks to reduce the effort required to create engineering simulation applications. MOOSE itself is a software library: a blank canvas upon which you write equations and then MOOSE can help you solve them. MOOSE is comparable to a spreadsheet application. A spreadsheet, by itself, doesn’t do anything. Only once equations are entered into it will a spreadsheet application compute anything. Such is the same for MOOSE. An engineer or scientist can utilize the equation solvers within MOOSE to solve equations related to their area of study. For instance, a geomechanical scientist can input equations related to water flow in underground reservoirs and MOOSE can solve those equations to give the scientist an idea of how water could move over time. An engineer might input equations related to the forces in steel beams in order to understand the load bearing capacity of a bridge. Because MOOSE is a blank canvas it can be useful in many scientific and engineering pursuits.

  9. Consumer oriented product noise testing

    NASA Astrophysics Data System (ADS)

    Blomberg, Les

    2005-09-01

    This paper explores the need for product noise measurements and how best to meet that need in the near future. Currently there is only a small market place for quieter consumer products. This is not because of lack of interest. No one really wants to announce to everyone in their house that they just flushed the toilet, few really want the entire neighborhood to know they are mowing their yard, etc. The small market place is primarily due to a lack of regulations on product noise, a lack of information easily available to consumers about which products are quieter, and market consolidation resulting in fewer manufacturers, most of whom are unwilling to emphasize their quieter products at the risk of eroding sales of their noisier ones (that currently have greater market share). In the absence of the EPA fulfilling its statutory requirement to regulate and label product noise under the Noise Control Act of 1972, and with the unwillingness of most industries to voluntarily publish accurate product noise data, there is a significant role for ``Consumer Oriented Product Noise Testing.'' This paper explores the Noise Pollution Clearinghouse's ongoing and planned product noise testing, evaluating its advantages, disadvantages, and limitations.

  10. Multiphysics Object Oriented Simulation Environment

    2014-02-12

    The Multiphysics Object Oriented Simulation Environment (MOOSE) software library developed at Idaho National Laboratory is a tool. MOOSE, like other tools, doesn’t actually complete a task. Instead, MOOSE seeks to reduce the effort required to create engineering simulation applications. MOOSE itself is a software library: a blank canvas upon which you write equations and then MOOSE can help you solve them. MOOSE is comparable to a spreadsheet application. A spreadsheet, by itself, doesn’t do anything.more » Only once equations are entered into it will a spreadsheet application compute anything. Such is the same for MOOSE. An engineer or scientist can utilize the equation solvers within MOOSE to solve equations related to their area of study. For instance, a geomechanical scientist can input equations related to water flow in underground reservoirs and MOOSE can solve those equations to give the scientist an idea of how water could move over time. An engineer might input equations related to the forces in steel beams in order to understand the load bearing capacity of a bridge. Because MOOSE is a blank canvas it can be useful in many scientific and engineering pursuits.« less

  11. Bioinspired orientation-dependent friction.

    PubMed

    Xue, Longjian; Iturri, Jagoba; Kappl, Michael; Butt, Hans-Jürgen; del Campo, Aránzazu

    2014-09-23

    Spatular terminals on the toe pads of a gecko play an important role in directional adhesion and friction required for reversible attachment. Inspired by the toe pad design of a gecko, we study friction of polydimethylsiloxane (PDMS) micropillars terminated with asymmetric (spatular-shaped) overhangs. Friction forces in the direction of and against the spatular end were evaluated and compared to friction forces on symmetric T-shaped pillars and pillars without overhangs. The shape of friction curves and the values of friction forces on spatula-terminated pillars were orientation-dependent. Kinetic friction forces were enhanced when shearing against the spatular end, while static friction was stronger in the direction toward the spatular end. The overall friction force was higher in the direction against the spatula end. The maximum value was limited by the mechanical stability of the overhangs during shear. The aspect ratio of the pillar had a strong influence on the magnitude of the friction force, and its contribution surpassed and masked that of the spatular tip for aspect ratios of >2.

  12. Trunk Orientation, Stability, and Quadrupedalism

    PubMed Central

    Ivanenko, Y. P.; Wright, W. G.; St George, R. J.; Gurfinkel, V. S.

    2013-01-01

    Interesting cases of human quadrupedalism described by Tan and Colleagues (2005–2012) have attracted the attention of geneticists, neurologists, and anthropologists. Since his first publications in 2005, the main attention has focused on the genetic aspects of disorders that lead to quadrupedalism within an evolutionary framework. In recent years this area has undergone a convincing critique (Downey, 2010) and ended with a call “… to move in a different direction … away from thinking solely in terms of genetic abnormality and evolutionary atavism.” We consider quadrupedalism as a “natural experiment” that may contribute to our knowledge of the physiological mechanisms underlying our balance system and our tendency toward normal (upright) posture. Bipedalism necessitates a number of characteristics that distinguish us from our ancestors and present-day mammals, including: size and shape of the bones of the foot, structure of the axial and proximal musculature, and the orientation of the human body and head. In this review we address the results of experimental studies on the mechanisms that stabilize the body in healthy people, as well as how these mechanisms may be disturbed in various forms of clinical pathology. These disturbances are related primarily to automatic rather than voluntary control of posture and suggest that human quadrupedalism is a behavior that can result from adaptive processes triggered by disorders in postural tone and environmental cues. These results will serve as a starting point for comparing and contrasting bi- and quadrupedalism. PMID:23504009

  13. Why the Intercultural Matters to Language Teaching and Learning: An Orientation to the ILTLP Program

    ERIC Educational Resources Information Center

    Scarino, Angela; Crichton, Jonathan

    2008-01-01

    The Intercultural Language Teaching and Learning in Practice (ILTLP) Project is a large scale, national professional learning program designed to extend the understanding and practice of language teachers with regard to intercultural language learning. The latter is an orientation to language learning that underpins the National Statement and Plan…

  14. Effects of Gender and Communication Content on Leadership Emergence in Small Task-Oriented Groups.

    ERIC Educational Resources Information Center

    Hawkins, Katherine W.

    A study examined the role played by gender and communication content in the leadership emergence process in small, task-oriented groups. Six hours of transcribed group interaction from a sample of the group deliberations of 6 mixed-sex groups of college students (n=27) engaged in a 4-month-long decision-making project served as the database for…

  15. Queering the Ethical School: A Model for Sexual Orientation Education at a Religiously-Affiliated Institution.

    ERIC Educational Resources Information Center

    Getz, Cheryl; Kirkley, Evelyn A.

    The Rainbow Visibility Project has the primary goal of raising awareness to sexual orientation as a diversity issue at the University of San Diego (USD) (California), a Roman Catholic liberal arts university. It was designed to be consistent with other efforts supporting the cultural competence at the university, whose mission statement explicitly…

  16. Restrictive Citizenship: Civic-Oriented Service-Learning Opportunities for All Students

    ERIC Educational Resources Information Center

    Mann, Jay A.; Dymond, Stacy K.; Bonati, Michelle L.; Neeper, Lance S.

    2015-01-01

    Citizenship education that uses service-learning continues to be implemented in a manner that may restrict many students from full, meaningful participation. The authors contend that much of the literature on civic-oriented service-learning unnecessarily positions successful projects at the extremes: (a) political socialization versus civic…

  17. Reflections of Design-Oriented Pedagogy for Sustainable Learning: An International Perspective

    ERIC Educational Resources Information Center

    Vartiainen, Henriikka; Enkenberg, Jorma

    2013-01-01

    This paper focuses on the expansion of design-oriented pedagogy that encourages approaching global phenomena such as sustainable development from the perspective of local environments, cultures and associated ways of doing things. It aims to determine how project members and teachers from eight different European countries (n = 221) who had…

  18. Development, Implementation and Evaluation of a Modular Approach to a Pharmacist-Oriented Course in Oncology.

    ERIC Educational Resources Information Center

    Abate, Marie A.; And Others

    1982-01-01

    A project to develop, implement, and evaluate a slide/text modular oncology course teaching disease state and pharmacist-oriented information to pharmacy students, with potential adaptation for pharmacist continuing education, is described. Module effectiveness was evaluated using a pretest, posttest design, with group mean comparisons across both…

  19. Understanding the Evolving Roles of Improvement-Oriented High School Teachers in Gilgit-Baltistan

    ERIC Educational Resources Information Center

    Ali, Takbir

    2011-01-01

    In this paper the author presents a framework for understanding how improvement-oriented high school teachers' accounts of change experiences portray their evolving roles as change agents in school reform. The data on which this paper is based come from a one-year long in-depth study (doctoral thesis research project) in which the author set out…

  20. Measuring Teacher Beliefs about Curriculum Orientations Using the Modified-Curriculum Orientations Inventory

    ERIC Educational Resources Information Center

    Jenkins, Sharon Billburg

    2009-01-01

    Although curriculum orientations are widely discussed in educational literature, the extent to which teachers and other educational specialists in the United States hold these curriculum orientations is neither well documented nor well known. The relationships between a teacher's beliefs and the five dominant curriculum orientations (Academic…

  1. Facing Off: Comparing an In-Person Library Orientation Lecture with an Asynchronous Online Library Orientation

    ERIC Educational Resources Information Center

    Gall, Dan

    2014-01-01

    A study to compare the effectiveness of an in-person library orientation with an online asynchronous orientation was conducted with three sections of Social Work Research Methods, a required course in the University of Iowa's Master of Social Work program. Two sections of the course received an online orientation involving short videos, text…

  2. On Cross-Cultural Orientation Techniques.

    ERIC Educational Resources Information Center

    Trifonovitch, Gregory J.

    1973-01-01

    This paper describes cross-cultural orientation techniques used over an eight-year period with Americans preparing to work in Micronesia. The main idea was to teach language and cultural differences on an affective level before learning on the cognitive level took place. The language orientation component of the program had as objectives: a…

  3. Wilderness Orientation Programs. AEE White Papers

    ERIC Educational Resources Information Center

    Association for Experiential Education (NJ1), 2011

    2011-01-01

    Wilderness orientation programs (sometimes referred to as outdoor orientation programs) use adventure programming for incoming college/university students to aid students' adjustment to college. These experiences usually occur in the days or weeks immediately prior to the first semester of the students' college coursework. They are typically…

  4. Teaching Object-Oriented Modelling Using UML

    NASA Astrophysics Data System (ADS)

    Boberić-Krstićev, Danijela; Tešendić, Danijela

    2011-09-01

    The paper elaborates on experiences and lessons learned from the course on object-oriented analyses and design at the Faculty of Sciences, Novi Sad. In the paper we identify a set of issues concerning teaching modeling and UML. It is described experience of teaching UML to students with and without previous knowledge of object-oriented programming.

  5. Human Resource Orientation and Corporate Performance.

    ERIC Educational Resources Information Center

    Lam, Long W.; White, Louis P.

    1998-01-01

    A study of 14 manufacturing firms found significantly better financial performance among those that strongly emphasized recruitment, compensation, and training and development (a human resource orientation). Human resource development that helped sustain competence combined with that orientation to form a valuable competitive advantage. (SK)

  6. Cumberland County College Orientation Course Survey.

    ERIC Educational Resources Information Center

    Stolar, Steven M.

    In an effort to determine whether OR 100, a college success orientation seminar offered at New Jersey's Cumberland County College (CCC), should be upgraded to a college-level course and whether OR 101, a one-unit orientation course, should be required of all students, CCC surveyed 288 two- and four-year institutions in New Jersey, Delaware, and…

  7. Use of inertial properties to orient tomatoes

    Technology Transfer Automated Retrieval System (TEKTRAN)

    Recent theoretical and experimental results have demonstrated that it is possible to orient quasi-round objects such as apples by taking advantage of inertial-effects during rotation. In practice, an apple rolled down a track consisting of two parallel rails tends to move to an orientation where the...

  8. Peer Led Process Groups in Freshman Orientation.

    ERIC Educational Resources Information Center

    Bonner, Don; Maxwell, Roy

    The basic purpose of this study was to explore the effectiveness of using trained peers to lead small process groups in freshman orientation. The College and University Environment Scale (CUES) was the basic instrument used to determine whether perceptions of the college campus climate differed after an alternate freshman orientation program.…

  9. Religious Orientation and Sexual Attitudes and Behaviors

    ERIC Educational Resources Information Center

    McMillen, Eileen K.; Helm, Herbert W., Jr.; McBride, Duane C.

    2011-01-01

    Religion is one of the major forces of control over sexuality, and many studies have observed an inverse relationship between religiosity and sexual permissiveness. The Religious Orientation Scale has been used to study the relationship between religious orientation and sexuality. It has been found that those with intrinsic views are more…

  10. Education: the Dilemma of the Oriental American.

    ERIC Educational Resources Information Center

    Farmer, George L.

    This document considers the education of Oriental Americans a dilemma, since the Oriental-American minority is reported to represent proportionately the highest educated group in the U.S., bears a pluralistic and bicultural background, and a long history of having been subjected to restrictions and exploitation in the American West. The main…

  11. Market Orientation and Its Measurement in Universities

    ERIC Educational Resources Information Center

    Niculescu, Mihai; Xu, Bing; Hampton, Gerald M.; Peterson, Robin T.

    2013-01-01

    Historically, the measurement of market orientation has proved to be difficult, due to the low external validity of the concept. Existing scales exhibit acceptable properties in measuring market orientation in business organizations, but are less accurate in the context of higher education institutions. This paper compares the performance of three…

  12. Annals of Community-Oriented Education, 1993.

    ERIC Educational Resources Information Center

    Engel, C., Ed.; And Others

    1993-01-01

    This volume presents 33 papers addressing various aspects of community-oriented education; lists relevant and current books, articles and papers; and provides basic information about the Network of Community-Oriented Educational Institutions for Health Sciences, the international non-governmental organization. The papers are grouped into seven…

  13. Annals of Community-Oriented Education, 1994.

    ERIC Educational Resources Information Center

    Engel, C., Ed.; And Others

    1994-01-01

    This volume presents 47 papers addressing various aspects of community-oriented education; lists relevant and current books, articles and papers; and provides basic information about the international non-governmental organization, the Network of Community-Oriented Educational Institutions for Health Sciences. The papers are grouped into the…

  14. Business Mathematics. Mathematics Curriculum Guide (Career Oriented).

    ERIC Educational Resources Information Center

    Nuschler, Alexandra; And Others

    The curriculum guide correlates concepts in business mathematics with career-oriented concepts and activities. The curriculum outline format gives the concepts to be taught, matched with related career-oriented performance objectives, concepts, and suggested instructional activities in facing page layouts. The outline is divided into the major…

  15. A Critique of Shostrom's Personal Orientation Inventory

    ERIC Educational Resources Information Center

    Oakland, James A.; And Others

    1978-01-01

    Everett Shostrom's Personal Orientation Inventory is a significant and widely used contribution to humanistic psychology and personality assessment. W. S. Zimmerman (1969) evaluated the POI and his observations led to the development of a complementary form, the POD (Personal Orientation Dimensions) and to a new test, the DOSAB (Dimensions of…

  16. Distinctive Characteristics of Sexual Orientation Bias Crimes

    ERIC Educational Resources Information Center

    Stacey, Michele

    2011-01-01

    Despite increased attention in the area of hate crime research in the past 20 years, sexual orientation bias crimes have rarely been singled out for study. When these types of crimes are looked at, the studies are typically descriptive in nature. This article seeks to increase our knowledge of sexual orientation bias by answering the question:…

  17. Two Moral Orientations: Gender Differences and Similarities.

    ERIC Educational Resources Information Center

    Gilligan, Carol; Attanucci, Jane

    1988-01-01

    Examines evidence of justice and care perspectives in 46 men's and 34 women's discussions of actual moral conflicts. Also considers whether an association between moral orientation and gender exists. While gender differences are found, findings suggest that people know and use both justice and care perspectives in their moral orientations. (RH)

  18. Orienting of visual attention in aging.

    PubMed

    Erel, Hadas; Levy, Daniel A

    2016-10-01

    Changes in attention are among the most important cognitive shifts associated with aging, with implications for maintenance of vocational competencies, participation in social interactions, and successful execution of activities of daily living. An important facet of attention is orienting, the ability to selectively attend a location or modality and thereby engender perceptual augmentation. Orienting also involves shifting of the focus of attention in response to unanticipated salient events. Aging may impact orienting through a variety of neurocognitive mechanisms and the interactions between them. We review findings regarding factors that mediate the impact of aging on orienting, including overt vs. covert attending, exogenous vs. endogenous processes, orienting benefits vs. reorienting costs, cue-target onset asynchrony (SOA), post-orienting task factors, and stage of aging. We also consider aging-related changes in the brain substrates of orienting, including cortical and white matter integrity, laterality, connectivity, neuromodulatory functions, and compensatory activity. Taken together, these findings suggest that healthy aging impacts performance on orienting tasks less through direct effects than via interactions with additional cognitive processes. PMID:27531234

  19. Socio-Emotional Orientations and Teacher Change

    ERIC Educational Resources Information Center

    Kaasila, Raimo; Hannula, Markku S.; Laine, Anu; Pehkonen, Erkki

    2008-01-01

    In this article we consider how elementary education students' views of mathematics changed during their mathematics methods course. We focus on four female students: two started the course with mainly positive views of mathematics and a task orientation, two with negative views of the subject and an ego-defensive orientation. The biggest change…

  20. 7 CFR 29.3046 - Oriented.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Oriented. A term applied to Type 31 untied tobacco which denotes the arrangement of leaves in a straight and orderly manner. Oriented includes: (a) Any lot of baled tobacco in which the leaves are packed parallel to the length of the bale with the butts to the outside and the tips of the leaves...

  1. Sexual Orientation and Violations of Civil Liberties

    ERIC Educational Resources Information Center

    Adelman, Marcy R.

    1977-01-01

    This study determined that sexual orientation is frequently assumed rather than known. Bases for assumption include gossip and rumor, appearance and behavior, and association with others. Sexual orientation was most frequently assumed on the basis of appearance and behavior. Presented at the American Psychological Association Convention,…

  2. Algebra II. Mathematics Curriculum Guide (Career Oriented).

    ERIC Educational Resources Information Center

    Ohmer, Merlin M.; And Others

    The curriculum guide for Albegra 2 correlates algebraic concepts with career-oriented concepts and activities. The curriculum outline format gives the concepts to be taught, matched with related career-oriented performance objectives, concepts, and suggested instructional activities in facing page layouts. The suggested curriculum outline is…

  3. Program Evaluation: Two Management-Oriented Samples

    ERIC Educational Resources Information Center

    Alford, Kenneth Ray

    2010-01-01

    Two Management-Oriented Samples details two examples of the management-oriented approach to program evaluation. Kenneth Alford, a doctorate candidate at the University of the Cumberlands, details two separate program evaluations conducted in his school district and seeks to compare and contrast the two evaluations based upon the characteristics of…

  4. A New Look at Employee Orientation.

    ERIC Educational Resources Information Center

    Kanouse, Daniel N.; Warihay, Philomena I.

    1980-01-01

    Job enrichment and morale building should begin with new employee orientation. The systematic orientation program outlined here ensures that individual needs for self-esteem can be reconciled with organizational goals, and provides the basis for satisfying employer-employee relationships. (SK)

  5. Employee Orientation: A Process, Not a Program.

    ERIC Educational Resources Information Center

    Zemke, Ron

    1989-01-01

    No or poor orientation can reduce new employees' effectiveness and contribute to dissatisfaction and turnover, costing the company money. The orientation programs of large companies such as Disney, Texas Instruments, and Corning Glass are successful due to high expectations, supervisor and senior management involvement, anxiety reduction, and…

  6. Orientation field estimation for latent fingerprint enhancement.

    PubMed

    Feng, Jianjiang; Zhou, Jie; Jain, Anil K

    2013-04-01

    Identifying latent fingerprints is of vital importance for law enforcement agencies to apprehend criminals and terrorists. Compared to live-scan and inked fingerprints, the image quality of latent fingerprints is much lower, with complex image background, unclear ridge structure, and even overlapping patterns. A robust orientation field estimation algorithm is indispensable for enhancing and recognizing poor quality latents. However, conventional orientation field estimation algorithms, which can satisfactorily process most live-scan and inked fingerprints, do not provide acceptable results for most latents. We believe that a major limitation of conventional algorithms is that they do not utilize prior knowledge of the ridge structure in fingerprints. Inspired by spelling correction techniques in natural language processing, we propose a novel fingerprint orientation field estimation algorithm based on prior knowledge of fingerprint structure. We represent prior knowledge of fingerprints using a dictionary of reference orientation patches. which is constructed using a set of true orientation fields, and the compatibility constraint between neighboring orientation patches. Orientation field estimation for latents is posed as an energy minimization problem, which is solved by loopy belief propagation. Experimental results on the challenging NIST SD27 latent fingerprint database and an overlapped latent fingerprint database demonstrate the advantages of the proposed orientation field estimation algorithm over conventional algorithms.

  7. Towards "Bildung"-Oriented Chemistry Education

    ERIC Educational Resources Information Center

    Sjöström, Jesper

    2013-01-01

    This paper concerns "Bildung"-oriented chemistry education, based on a reflective and critical discourse of chemistry. It is contrasted with the dominant type of chemistry education, based on the mainstream discourse of chemistry. "Bildung"-oriented chemistry education includes not only content knowledge in chemistry, but also…

  8. The Moral Orientations of Finnish Peacekeepers

    ERIC Educational Resources Information Center

    Ryhanen, Timo

    2005-01-01

    This article examines the moral orientation of Finnish peacekeepers in the field of civil and military cooperation. This aim is studied through identifying different voices in peacekeepers' narratives. Following previously published research on the ethics of justice, the ethics of care and the ethics of empowerment related to moral orientation,…

  9. Young Children's Task vs. Social Orientations.

    ERIC Educational Resources Information Center

    Ruble, Diane N.; Nakamura, Charles Y.

    The purpose of this study was to examine young Children's tendencies to be task or socially oriented in an experimental situation. On the basis of past research, two independent variables were chosen: field dependence-independence and sex. It was expected that field-dependent subjects and girls would tend to be more socially oriented, while…

  10. Value Orientation - A Strategy for Removing Barriers.

    ERIC Educational Resources Information Center

    Ross, Allen Chuck; Brave Eagle, Dorothy

    Designed for use in curriculum development, this value orientation packet addresses the cultural value orientations of American Indians (specifically, the Lakota on the Pine Ridge reservation in South Dakota) and those of mainstream society in an effort to help individuals understand that values differ from culture to culture. Specifically, this…

  11. Market Orientation in University: A Case Study

    ERIC Educational Resources Information Center

    Kuster, Ines; Aviles-Valenzuela, Maria Elena

    2010-01-01

    Purpose: The paper aims to analyse the relationship between market orientation (MO) and results in the field of higher education, considering the importance of university teaching staff MO in relation to satisfaction and establishing that this orientation is directly and positively affected by the MO of the upper hierarchical levels. The focus is…

  12. A Comprehensive Cultural Orientation Program for Refugees.

    ERIC Educational Resources Information Center

    Archer, Carol M.

    This paper presents the various components of the cultural orientation program as it has developed at the Bilingual Educational Institute (BEI), the organization that is currently awarded the grant for RSS in the Houston area by the state of Texas. This cultural orientation program's topics include the following: employment; healthcare; community…

  13. 20 CFR 638.500 - Orientation program.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR JOB CORPS PROGRAM UNDER TITLE IV-B OF THE JOB TRAINING PARTNERSHIP ACT Center Operations § 638.500 Orientation program. The center operator shall design and implement a reception and orientation program in accordance...

  14. Orientational anisotropy and interfacial transport in polycrystals

    NASA Astrophysics Data System (ADS)

    Moghadam, M. M.; Rickman, J. M.; Harmer, M. P.; Chan, H. M.

    2016-04-01

    Interfacial diffusion is governed to a large degree by geometric parameters that are determined by crystallographic orientation. In this study, we assess the impact of orientational anisotropy on mass transport at internal interfaces, focusing on the role of preferred crystallographic orientation (i.e., texture) on mass diffusion in a polycrystal. More specifically, we perform both numerical and analytical studies of steady-state diffusion for polycrystals having various grain-orientation distributions. By relating grain misorientation to grain-boundary energies and, via the Borisov relation, to the diffusivity, we link microstructure variability to kinetics. Our aim is to correlate shape features of the orientation distribution, such as the location and shapes of peaks, with the calculated effective diffusivity. Finally, we discuss the role of crystallographic constraints, such as those associated with grain junctions, in determining the effective diffusivity of a polycrystal.

  15. Coronary x-ray angiographic reconstruction and image orientation

    SciTech Connect

    Sprague, Kevin; Drangova, Maria; Lehmann, Glen

    2006-03-15

    We have developed an interactive geometric method for 3D reconstruction of the coronary arteries using multiple single-plane angiographic views with arbitrary orientations. Epipolar planes and epipolar lines are employed to trace corresponding vessel segments on these views. These points are utilized to reconstruct 3D vessel centerlines. The accuracy of the reconstruction is assessed using: (1) near-intersection distances of the rays that connect x-ray sources with projected points, (2) distances between traced and projected centerlines. These same two measures enter into a fitness function for a genetic search algorithm (GA) employed to orient the angiographic image planes automatically in 3D avoiding local minima in the search for optimized parameters. Furthermore, the GA utilizes traced vessel shapes (as opposed to isolated anchor points) to assist the optimization process. Differences between two-view and multiview reconstructions are evaluated. Vessel radii are measured and used to render the coronary tree in 3D as a surface. Reconstruction fidelity is demonstrated via (1) virtual phantom, (2) real phantom, and (3) patient data sets, the latter two of which utilize the GA. These simulated and measured angiograms illustrate that the vessel centerlines are reconstructed in 3D with accuracy below 1 mm. The reconstruction method is thus accurate compared to typical vessel dimensions of 1-3 mm. The methods presented should enable a combined interpretation of the severity of coronary artery stenoses and the hemodynamic impact on myocardial perfusion in patients with coronary artery disease.

  16. Reengineering legacy software to object-oriented systems

    NASA Technical Reports Server (NTRS)

    Pitman, C.; Braley, D.; Fridge, E.; Plumb, A.; Izygon, M.; Mears, B.

    1994-01-01

    NASA has a legacy of complex software systems that are becoming increasingly expensive to maintain. Reengineering is one approach to modemizing these systems. Object-oriented technology, other modem software engineering principles, and automated tools can be used to reengineer the systems and will help to keep maintenance costs of the modemized systems down. The Software Technology Branch at the NASA/Johnson Space Center has been developing and testing reengineering methods and tools for several years. The Software Technology Branch is currently providing training and consulting support to several large reengineering projects at JSC, including the Reusable Objects Software Environment (ROSE) project, which is reengineering the flight analysis and design system (over 2 million lines of FORTRAN code) into object-oriented C++. Many important lessons have been learned during the past years; one of these is that the design must never be allowed to diverge from the code during maintenance and enhancement. Future work on open, integrated environments to support reengineering is being actively planned.

  17. Coronary x-ray angiographic reconstruction and image orientation.

    PubMed

    Sprague, Kevin; Drangova, Maria; Lehmann, Glen; Slomka, Piotr; Levin, David; Chow, Benjamin; deKemp, Robert

    2006-03-01

    We have developed an interactive geometric method for 3D reconstruction of the coronary arteries using multiple single-plane angiographic views with arbitrary orientations. Epipolar planes and epipolar lines are employed to trace corresponding vessel segments on these views. These points are utilized to reconstruct 3D vessel centerlines. The accuracy of the reconstruction is assessed using: (1) near-intersection distances of the rays that connect x-ray sources with projected points, (2) distances between traced and projected centerlines. These same two measures enter into a fitness function for a genetic search algorithm (GA) employed to orient the angiographic image planes automatically in 3D avoiding local minima in the search for optimized parameters. Furthermore, the GA utilizes traced vessel shapes (as opposed to isolated anchor points) to assist the optimization process. Differences between two-view and multiview reconstructions are evaluated. Vessel radii are measured and used to render the coronary tree in 3D as a surface. Reconstruction fidelity is demonstrated via (1) virtual phantom, (2) real phantom, and (3) patient data sets, the latter two of which utilize the GA. These simulated and measured angiograms illustrate that the vessel center-lines are reconstructed in 3D with accuracy below 1 mm. The reconstruction method is thus accurate compared to typical vessel dimensions of 1-3 mm. The methods presented should enable a combined interpretation of the severity of coronary artery stenoses and the hemodynamic impact on myocardial perfusion in patients with coronary artery disease.

  18. An object-oriented data reduction system in Fortran

    NASA Technical Reports Server (NTRS)

    Bailey, J.

    1992-01-01

    A data reduction system for the AAO two-degree field project is being developed using an object-oriented approach. Rather than use an object-oriented language (such as C++) the system is written in Fortran and makes extensive use of existing subroutine libraries provided by the UK Starlink project. Objects are created using the extensible N-dimensional Data Format (NDF) which itself is based on the Hierarchical Data System (HDS). The software consists of a class library, with each class corresponding to a Fortran subroutine with a standard calling sequence. The methods of the classes provide operations on NDF objects at a similar level of functionality to the applications of conventional data reduction systems. However, because they are provided as callable subroutines, they can be used as building blocks for more specialist applications. The class library is not dependent on a particular software environment thought it can be used effectively in ADAM applications. It can also be used from standalone Fortran programs. It is intended to develop a graphical user interface for use with the class library to form the 2dF data reduction system.

  19. Automatic Orientation of Large Blocks of Oblique Images

    NASA Astrophysics Data System (ADS)

    Rupnik, E.; Nex, F.; Remondino, F.

    2013-05-01

    Nowadays, multi-camera platforms combining nadir and oblique cameras are experiencing a revival. Due to their advantages such as ease of interpretation, completeness through mitigation of occluding areas, as well as system accessibility, they have found their place in numerous civil applications. However, automatic post-processing of such imagery still remains a topic of research. Configuration of cameras poses a challenge on the traditional photogrammetric pipeline used in commercial software and manual measurements are inevitable. For large image blocks it is certainly an impediment. Within theoretical part of the work we review three common least square adjustment methods and recap on possible ways for a multi-camera system orientation. In the practical part we present an approach that successfully oriented a block of 550 images acquired with an imaging system composed of 5 cameras (Canon Eos 1D Mark III) with different focal lengths. Oblique cameras are rotated in the four looking directions (forward, backward, left and right) by 45° with respect to the nadir camera. The workflow relies only upon open-source software: a developed tool to analyse image connectivity and Apero to orient the image block. The benefits of the connectivity tool are twofold: in terms of computational time and success of Bundle Block Adjustment. It exploits the georeferenced information provided by the Applanix system in constraining feature point extraction to relevant images only, and guides the concatenation of images during the relative orientation. Ultimately an absolute transformation is performed resulting in mean re-projection residuals equal to 0.6 pix.

  20. Map projections

    USGS Publications Warehouse

    ,

    1993-01-01

    A map projection is used to portray all or part of the round Earth on a flat surface. This cannot be done without some distortion. Every projection has its own set of advantages and disadvantages. There is no "best" projection. The mapmaker must select the one best suited to the needs, reducing distortion of the most important features. Mapmakers and mathematicians have devised almost limitless ways to project the image of the globe onto paper. Scientists at the U. S. Geological Survey have designed projections for their specific needs—such as the Space Oblique Mercator, which allows mapping from satellites with little or no distortion. This document gives the key properties, characteristics, and preferred uses of many historically important projections and of those frequently used by mapmakers today.

  1. The Luneburg Sustainable University Project in International Comparison: An Assessment against North American Peers

    ERIC Educational Resources Information Center

    Beringer, Almut

    2007-01-01

    Purpose: To assess the Luneburg Sustainable University Project (the Project) in a non-European international context; to relate the project scholarly approach to selected scholarly and practice-oriented North American sustainability in higher education (SHE) methods; to analyze project innovations against North American initiatives.…

  2. Modulated orientation sensitive terahertz spectroscopy

    NASA Astrophysics Data System (ADS)

    Singh, Rohit

    The energies of protein correlated motions lie in the far infrared or THz frequency range (lambda = 1 cm -- 50 mm, f = 0.03 -- 6 THz). The existence of correlated motions has been confirmed by neutron and inelastic x-ray scattering measurements. These techniques require large sample volumes and specialized facilities, limiting their application to systematic studies of changes in correlated motions with functional state and allosteric interactions. Standard terahertz time domain spectroscopy measurements have shown sensitivity to protein-ligand binding, oxidation state, conformation, temperature and hydration. However, the response is broad, in part from the large vibrational density of states and in part from the dielectric response contribution from surface water and side-chains. As an overall strategy to measure the correlated structural motions in protein, we use anisotropic and birefringent behavior of molecular crystals to develop a new technique called MOSTS (Modulated Orientation Sensitive Terahertz Spectroscopy). We achieve high sensitivity and mode separation, by using single molecular crystal such as sucrose and oxalic acid, and rapid modulation of the relative alignment of the terahertz polarization and the crystal axes by rotating the sample. By locking into the signal at the rotation frequency, we determine the polarization sensitive signal and map out the optically active vibrational resonances. To illustrate the technique, we compare our measured spectra with the calculated, and find a close agreement. We measure dielectric properties of oxalic acid, sucrose and protein crystals and polycarbonate sheet using standard terahertz time domain spectroscopy. We determine the absorbances in oxalic acid and sucrose crystals, using MOSTS technique. We compare the resonances in these two distinct methods. Then, we develop a protein model sample by sticking together two thin plates of sucrose and polycarbonate. We carry out standard THz-TDS and MOSTS

  3. Multiple groups of orientation-selective visual mechanisms underlying rapid orientated-line detection.

    PubMed Central

    Foster, D H; Westland, S

    1998-01-01

    Visual search for an edge or line element differing in orientation from a background of other edge or line elements can be performed rapidly and effortlessly. In this study, based on psychophysical measurements with ten human observers, threshold values of the angle between a target and background line elements were obtained as functions of background-element orientation, in brief masked displays. A repeated-loess analysis of the threshold functions suggested the existence of several groups of orientation-selective mechanisms contributing to rapid orientated-line detection; specifically, coarse, intermediate and fine mechanisms with preferred orientations spaced at angles of approximately 90 degrees, 35 degrees, and 10 degrees-25 degrees, respectively. The preferred orientations of coarse and some intermediate mechanisms coincided with the vertical or horizontal of the frontoparallel plane, but the preferred orientations of fine mechanisms varied randomly from observer to observer, possibly reflecting individual variations in neuronal sampling characteristics. PMID:9753784

  4. Determination of orientational order parameters from 2H NMR spectra of magnetically partially oriented lipid bilayers.

    PubMed Central

    Schäfer, H; Mädler, B; Sternin, E

    1998-01-01

    The partial orientation of multilamellar vesicles (MLVs) in high magnetic fields is known to affect the shape of 2H NMR spectra. There are numerical methods for extracting either the orientational order parameters of lipid molecules for a random distribution of domain orientations in the sample, or the distribution of orientations for a known set of spectral anisotropies. A first attempt at determining the orientational order parameters in the presence of an unknown nonrandom distribution of orientations is presented. The numerical method is based on the Tikhonov regularization algorithm. It is tested using simulated partially oriented spectra. An experimental spectrum of a phospholipid-ether mixture in water is analyzed as an example. The experimental spectrum is consistent with an ellipsoidal shape of MLVs with a ratio of semiaxes of approximately 3.4. PMID:9533713

  5. Altered orienting of attention in anorexia nervosa.

    PubMed

    Dalmaso, Mario; Castelli, Luigi; Franchetti, Lorena; Carli, Lorenza; Todisco, Patrizia; Palomba, Daniela; Galfano, Giovanni

    2015-09-30

    The study of cognitive processes in anorexia nervosa (AN) is largely unexplored, although recent evidence suggests the presence of impairments in both social cognition and attention processing. Here we investigated AN patients' ability to orient attention in response to social and symbolic visual stimuli. AN patients and matched controls performed a task in which gaze and pointing gestures acted as social directional cues for spatial attention. Arrows were also included as symbolic cue. On each trial, a centrally-placed cue appeared oriented rightwards or leftwards. After either 200 or 700ms, a lateralized neutral target (a letter) requiring a discrimination response appeared in a location either spatially congruent or incongruent with the directional cue. Controls showed a reliable orienting irrespective of both temporal interval and cue type. AN patients showed a reliable orienting at both temporal intervals only in response to pointing gestures. Both gaze and arrow cues failed to orient attention at the short temporal interval, that is when attention is under reflexive control, whereas a reliable orienting emerged at the long temporal interval. These results provide preliminary evidence of altered reflexive orienting of attention in AN patients that does not extend to body-related cues such as pointing gestures.

  6. Electroluminescence from completely horizontally oriented dye molecules

    NASA Astrophysics Data System (ADS)

    Komino, Takeshi; Sagara, Yuta; Tanaka, Hiroyuki; Oki, Yuji; Nakamura, Nozomi; Fujimoto, Hiroshi; Adachi, Chihaya

    2016-06-01

    A complete horizontal molecular orientation of a linear-shaped thermally activated delayed fluorescent guest emitter 2,6-bis(4-(10Hphenoxazin-10-yl)phenyl)benzo[1,2-d:5,4-d'] bis(oxazole) (cis-BOX2) was obtained in a glassy host matrix by vapor deposition. The orientational order of cis-BOX2 depended on the combination of deposition temperature and the type of host matrix. Complete horizontal orientation was obtained when a thin film with cis-BOX2 doped in a 4,4'-bis(N-carbazolyl)-1,1'-biphenyl (CBP) host matrix was fabricated at 200 K. The ultimate orientation of guest molecules originates from not only the kinetic relaxation but also the kinetic stability of the deposited guest molecules on the film surface during film growth. Utilizing the ultimate orientation, a highly efficient organic light-emitting diode with the external quantum efficiency of 33.4 ± 2.0% was realized. The thermal stability of the horizontal orientation of cis-BOX2 was governed by the glass transition temperature (Tg) of the CBP host matrix; the horizontal orientation was stable unless the film was annealed above Tg.

  7. "Street Love": How Street Life Oriented U. S. Born African Men Frame Giving Back to One Another and the Local Community

    ERIC Educational Resources Information Center

    Payne, Yasser Arafat; Hamdi, Hanaa A.

    2009-01-01

    This Participatory Action Research (PAR) project worked with four active street life oriented U. S. born African men, to document how a community sample of street life oriented U. S. born African men between the ages of 16-65, frame and use "street life" as a Site of Resiliency (Payne, Dissertation, 2005; "Journal of Black Psychology" 34(1):3-31,…

  8. Project EASIER.

    ERIC Educational Resources Information Center

    Alvord, David J.; Tack, Leland R.; Dallam, Jerald W.

    1998-01-01

    Describes the development of Project EASIER, a collaborative electronic-data interchange for networking Iowa local school districts, education agencies, community colleges, universities, and the Department of Education. The primary goal of this project is to develop and implement a system for collection of student information for state and federal…

  9. [Japan's Oriental medicine policy in colonial Korea].

    PubMed

    Park, Yunjae

    2008-06-01

    During its colonization of Korea, the Japanese Empire used the Western medicine as a tool for advertising its advanced culture. However, the medical workforce available in Korea was insufficient. The Rule for Uisaeng (Oriental medicine practitioner) was an ordinance decreed in 1913 with a purpose of supplementing the medical workforce. As the Oriental medicine practitioners became official medical workforce, the Japanese Empire could mobilize them in a hygienic administration such as prevention of epidemics. The Uisaengs also tried to adapt themselves to the colonial environment by studying Western medicines. However, the distrust of the Japanese Empire in Oriental medicine continued until 1920s. Manchurian Incident in 1931 brought a change. As the relationship with China aggravated, the provision of medical herb became unstable and the Japanese Empire began to encourage using Oriental medical herb following the Movement for Improving Rural Region Economy. An attempt of the Japanese Empire to utilize the medical herb resulted in a plan to make the Oriental medical herb officinal. The goal was to organize and standardize the Oriental medical herb through a research by the Medical Herb Investigation Committee. However, the medical herb on the table was the one verified by the Western medicine. That is, it was not a traditional medical herb that uses the original theory of Oriental medicine. There was a minority opinion arguing that they should study the Oriental medicine itself. However, that argument was also based on the theory and principles of the Western medicine. Even though an attempt to make full use of Uisaengs expanded as the war continued, the major medical workforce that the Japanese Empire relied on was those trained in Western medicine. In other words, the Japanese Empire did not give a full credit to the Oriental medicine during the colonial era. During the colonization, Japanese Empire used Oriental medicine under the nominal reason of lack of medical

  10. Crystallographic orientation assessment by electron backscattered diffraction.

    PubMed

    Cléton, F; Jouneau, P H; Henry, S; Gäumann, M; Buffat, P A

    1999-01-01

    With an angular orientation accuracy of at least 1 , the ability of electron backscattered diffraction (EBSD) to determine and emphasise crystallographic orientation is illustrated. Using the abilities of specially developed software for computing Euler angles derived from the scanned specimen, misorientations are pointed out with acceptable flexibility and graphic output through crystallographic orientation maps or pole figures. This ability is displayed in the particular case of laser cladding of nickel-based superalloy, a process that combines the advantages of a near net-shape manufacturing and a close control of the solidification microstructure (E-LMF: epitaxial laser metal forming). PMID:10483877

  11. Orientation selectivity based structure for texture classification

    NASA Astrophysics Data System (ADS)

    Wu, Jinjian; Lin, Weisi; Shi, Guangming; Zhang, Yazhong; Lu, Liu

    2014-10-01

    Local structure, e.g., local binary pattern (LBP), is widely used in texture classification. However, LBP is too sensitive to disturbance. In this paper, we introduce a novel structure for texture classification. Researches on cognitive neuroscience indicate that the primary visual cortex presents remarkable orientation selectivity for visual information extraction. Inspired by this, we investigate the orientation similarities among neighbor pixels, and propose an orientation selectivity based pattern for local structure description. Experimental results on texture classification demonstrate that the proposed structure descriptor is quite robust to disturbance.

  12. An outline of object-oriented philosophy.

    PubMed

    Harman, Graham

    2013-01-01

    This article summarises the principles of object-oriented philosophy and explains its similarities with, and differences from, the outlook of the natural sciences. Like science, the object-oriented position avoids the notion (quite common in philosophy) that the human-world relation is the ground of all others, such that scientific statements about the world would only be statements about the world as it is for humans. But unlike science, object-oriented metaphysics treats artificial, social, and fictional entities in the same way as natural ones, and also holds that the world can only be known allusively rather than directly.

  13. Crystallographic orientation assessment by electron backscattered diffraction.

    PubMed

    Cléton, F; Jouneau, P H; Henry, S; Gäumann, M; Buffat, P A

    1999-01-01

    With an angular orientation accuracy of at least 1 , the ability of electron backscattered diffraction (EBSD) to determine and emphasise crystallographic orientation is illustrated. Using the abilities of specially developed software for computing Euler angles derived from the scanned specimen, misorientations are pointed out with acceptable flexibility and graphic output through crystallographic orientation maps or pole figures. This ability is displayed in the particular case of laser cladding of nickel-based superalloy, a process that combines the advantages of a near net-shape manufacturing and a close control of the solidification microstructure (E-LMF: epitaxial laser metal forming).

  14. Bond-orientational order in liquid Si

    NASA Technical Reports Server (NTRS)

    Wang, Z. Q.; Stroud, D.

    1991-01-01

    Bond-orientational order in liquid Si via Monte Carlo simulation in conjuncation with empirical two- and three-body potentials of the form proposed by Stillinger and Weber are studied. Bond-orientational order (BOO) is described in terms of combinations of spherical harmonic functions. Liquid Si is found to have pronounced short-range BOO corresponding to l = 3, as expected for a structure with local tetrahedral order. No long-range BOO is found either in the equilibrium or the supercooled liquid. When the three-body potential is artificially removed, the tetrahedral bond-orientation order disappears and the liquid assumes a close-packed structure.

  15. Reef and Shore. Hawaii Nature Study Project.

    ERIC Educational Resources Information Center

    Hawaii Univ., Honolulu. Curriculum Research and Development Group.

    This teaching guide is one of a series developed by the Curriculum Research and Development Group at the University of Hawaii. The program is laboratory and field oriented for elementary students. The focus of study for the project is the plant and animal life and the physical components of the Hawaiian environment, and their ecological…

  16. Parts of Plants. Hawaii Nature Study Project.

    ERIC Educational Resources Information Center

    Hawaii Univ., Honolulu. Curriculum Research and Development Group.

    This teaching guide is one of a series developed by the Curriculum Research and Development Group at the University of Hawaii. The program is laboratory and field oriented for elementary students. The focus of study for the project is the plant and animal life and the physical components of the Hawaiian environment, and their ecological…

  17. Project Integration Architecture

    NASA Technical Reports Server (NTRS)

    Jones, William Henry

    2008-01-01

    The Project Integration Architecture (PIA) is a distributed, object-oriented, conceptual, software framework for the generation, organization, publication, integration, and consumption of all information involved in any complex technological process in a manner that is intelligible to both computers and humans. In the development of PIA, it was recognized that in order to provide a single computational environment in which all information associated with any given complex technological process could be viewed, reviewed, manipulated, and shared, it is necessary to formulate all the elements of such a process on the most fundamental level. In this formulation, any such element is regarded as being composed of any or all of three parts: input information, some transformation of that input information, and some useful output information. Another fundamental principle of PIA is the assumption that no consumer of information, whether human or computer, can be assumed to have any useful foreknowledge of an element presented to it. Consequently, a PIA-compliant computing system is required to be ready to respond to any questions, posed by the consumer, concerning the nature of the proffered element. In colloquial terms, a PIA-compliant system must be prepared to provide all the information needed to place the element in context. To satisfy this requirement, PIA extends the previously established object-oriented- programming concept of self-revelation and applies it on a grand scale. To enable pervasive use of self-revelation, PIA exploits another previously established object-oriented-programming concept - that of semantic infusion through class derivation. By means of self-revelation and semantic infusion through class derivation, a consumer of information can inquire about the contents of all information entities (e.g., databases and software) and can interact appropriately with those entities. Other key features of PIA are listed.

  18. Orientation Modeling for Amateur Cameras by Matching Image Line Features and Building Vector Data

    NASA Astrophysics Data System (ADS)

    Hung, C. H.; Chang, W. C.; Chen, L. C.

    2016-06-01

    With the popularity of geospatial applications, database updating is getting important due to the environmental changes over time. Imagery provides a lower cost and efficient way to update the database. Three dimensional objects can be measured by space intersection using conjugate image points and orientation parameters of cameras. However, precise orientation parameters of light amateur cameras are not always available due to their costliness and heaviness of precision GPS and IMU. To automatize data updating, the correspondence of object vector data and image may be built to improve the accuracy of direct georeferencing. This study contains four major parts, (1) back-projection of object vector data, (2) extraction of image feature lines, (3) object-image feature line matching, and (4) line-based orientation modeling. In order to construct the correspondence of features between an image and a building model, the building vector features were back-projected onto the image using the initial camera orientation from GPS and IMU. Image line features were extracted from the imagery. Afterwards, the matching procedure was done by assessing the similarity between the extracted image features and the back-projected ones. Then, the fourth part utilized line features in orientation modeling. The line-based orientation modeling was performed by the integration of line parametric equations into collinearity condition equations. The experiment data included images with 0.06 m resolution acquired by Canon EOS Mark 5D II camera on a Microdrones MD4-1000 UAV. Experimental results indicate that 2.1 pixel accuracy may be reached, which is equivalent to 0.12 m in the object space.

  19. Estimating Orientation of Flying Fruit Flies.

    PubMed

    Cheng, Xi En; Wang, Shuo Hong; Qian, Zhi-Ming; Chen, Yan Qiu

    2015-01-01

    The recently growing interest in studying flight behaviours of fruit flies, Drosophila melanogaster, has highlighted the need for developing tools that acquire quantitative motion data. Despite recent advance of video tracking systems, acquiring a flying fly's orientation remains a challenge for these tools. In this paper, we present a novel method for estimating individual flying fly's orientation using image cues. Thanks to the line reconstruction algorithm in computer vision field, this work can thereby focus on the practical detail of implementation and evaluation of the orientation estimation algorithm. The orientation estimation algorithm can be incorporated into tracking algorithms. We rigorously evaluated the effectiveness and accuracy of the proposed algorithm by running experiments both on simulation data and on real-world data. This work complements methods for studying the fruit fly's flight behaviours in a three-dimensional environment.

  20. Anemomenotatic orientation in beetles and scorpions

    NASA Technical Reports Server (NTRS)

    Linsenmair, K. E.

    1972-01-01

    Orientation, by beetles and scorpions, according to wind direction and force are analyzed. Major efforts were made to determine: (1) which physical qualities of the air current influence anemomenotaxis, (2) which physiological mechanism is responsible for such orientation, (3) which sense organs do beetles and scorpions use to perceive wind directions, and (4) what the biological significance of anemomenotaxis in the beetle and scorpion is. Experimental results show that the trichobothria in scorpions perceives wind direction; in the beetle it is perceived by sense organs excited by pendicellus-flagellum joint movements. A compensation mechanism is suggested as the basis for anemomenotactic orientation. It was also suggested that the biological significance of anemomenotaxis in scorpions is space orientation; while in beetles it was found to be part of the appetitive behavior used to search for olfactory sign stimuli.

  1. Iterative most likely oriented point registration.

    PubMed

    Billings, Seth; Taylor, Russell

    2014-01-01

    A new algorithm for model based registration is presented that optimizes both position and surface normal information of the shapes being registered. This algorithm extends the popular Iterative Closest Point (ICP) algorithm by incorporating the surface orientation at each point into both the correspondence and registration phases of the algorithm. For the correspondence phase an efficient search strategy is derived which computes the most probable correspondences considering both position and orientation differences in the match. For the registration phase an efficient, closed-form solution provides the maximum likelihood rigid body alignment between the oriented point matches. Experiments by simulation using human femur data demonstrate that the proposed Iterative Most Likely Oriented Point (IMLOP) algorithm has a strong accuracy advantage over ICP and has increased ability to robustly identify a successful registration result.

  2. Visual attitude orientation and alignment system

    NASA Technical Reports Server (NTRS)

    Beam, R. A.; Morris, D. B.

    1967-01-01

    Active vehicle optical alignment aid and a passive vehicle three-dimensional alignment target ensure proper orientation and alignment plus control of the closure range and rate between two bodies, one in controlled motion and one at rest.

  3. Statistical Analysis of Iberian Peninsula Megaliths Orientations

    NASA Astrophysics Data System (ADS)

    González-García, A. C.

    2009-08-01

    Megalithic monuments have been intensively surveyed and studied from the archaeoastronomical point of view in the past decades. We have orientation measurements for over one thousand megalithic burial monuments in the Iberian Peninsula, from several different periods. These data, however, lack a sound understanding. A way to classify and start to understand such orientations is by means of statistical analysis of the data. A first attempt is done with simple statistical variables and a mere comparison between the different areas. In order to minimise the subjectivity in the process a further more complicated analysis is performed. Some interesting results linking the orientation and the geographical location will be presented. Finally I will present some models comparing the orientation of the megaliths in the Iberian Peninsula with the rising of the sun and the moon at several times of the year.

  4. Orientation through chemo reception in fishes

    NASA Technical Reports Server (NTRS)

    Kleerekoper, H.

    1972-01-01

    A system designed to acquire and process data describing locomotor behavior of fish is described. Data are recorded in relation to the fish's response to olfactory stimuli. It was concluded that fish orientation is based on rheataxis or chemotropotaxis.

  5. Automation of the Problem Oriented Medical Record

    NASA Technical Reports Server (NTRS)

    Schall, D. W.

    1971-01-01

    An improved ambulatory care delivery system developed for the Navy is examined. The system is centered around the concepts of problem oriented medical records and expanded use of paramedical personnel.

  6. Performance-oriented: toward a successful strategy.

    PubMed

    Kumar, K; Subramanian, R; Yauger, C

    1997-01-01

    Changes in the health care industry have profoundly affected hospital management and have caused severe declines in hospital profitability. In 1993, Health Care Management Review reported that the average operating profit margin, around 2% in 1984, had declined to a 0.2% loss by 1990. In the past, hospitals were buffered by entry regulations and cost reimbursement; thus, they rarely dealt with traditional market pressures. But the changed terrain means that competitive factors now underscore all strategic decisions. This study examines the strategic significance of market orientation in the health care industry. The authors identified forms of market orientation by emphasizing different components, and discovered that hospitals fell into four distinct clusters or groups. They also found a critical relationship between market orientation and performance scores on a number of criteria. Finally, the authors suggest that different forms of market orientation should be employed to target specific performance measures. PMID:10170283

  7. Were Greek temples oriented towards aurorae?

    NASA Astrophysics Data System (ADS)

    Liritzis, Ioannis; Vassiliou, Helen

    2006-02-01

    Two ancient Greek temples of Apollo at Bassae (Phigaleia, western Peloponnese, Greece), and Thermon at Aetolia, (Aetoloacarnania, western central Greece), have a north-south orientation of their main entrances. This is a rather rare alignment of temples in general and specifically of Apollo in classical Greece, where most of them have broadly an east-west orientation. Based on historical and mythological accounts, as well as astronomical orientation measurements, the northern direction orientation of these constructions may relate to the rare, albeit impressive, occurrence of aurorae borealis, the northern lights. These strong lights are attributed to god Apollo by the epithet ``hyperborean'', meaning to the northern lands. Attribution is supported by archaeomagnetic directional data accompanied by auroral occurrence during those times.

  8. Zweiter Linguistischer Orientierungskurs (Second Linguistic Orientation Course)

    ERIC Educational Resources Information Center

    Gosewitz, Uta; Wiegand, Herbert Ernst

    1973-01-01

    Report on the Second Linguistic Orientation Course sponsored by the Institut fur deutsche Sprache (Institute for the German Language) and funded by the Volkswagen Foundation; held at Mannheim, West Germany, February 21-March 3, 1972. (RS)

  9. Natural selective attention: Orienting and emotion

    PubMed Central

    BRADLEY, MARGARET M.

    2013-01-01

    The foundations of orienting and attention are hypothesized to stem from activation of defensive and appetitive motivational systems that evolved to protect and sustain the life of the individual. Motivational activation initiates a cascade of perceptual and motor processes that facilitate the selection of appropriate behavior. Among these are detection of significance, indexed by a late centro-parietal positivity in the event-related potential, enhanced perceptual processing, indexed by a initial cardiac deceleration, and preparation for action, indexed by electrodermal changes. Data exploring the role of stimulus novelty and significance in orienting are presented that indicate different components of the orienting response habituate at different rates. Taken together, it is suggested that orienting is mediated by activation of fundamental motivational systems that have evolved to support survival. PMID:18778317

  10. Performance-oriented: toward a successful strategy.

    PubMed

    Kumar, K; Subramanian, R; Yauger, C

    1997-01-01

    Changes in the health care industry have profoundly affected hospital management and have caused severe declines in hospital profitability. In 1993, Health Care Management Review reported that the average operating profit margin, around 2% in 1984, had declined to a 0.2% loss by 1990. In the past, hospitals were buffered by entry regulations and cost reimbursement; thus, they rarely dealt with traditional market pressures. But the changed terrain means that competitive factors now underscore all strategic decisions. This study examines the strategic significance of market orientation in the health care industry. The authors identified forms of market orientation by emphasizing different components, and discovered that hospitals fell into four distinct clusters or groups. They also found a critical relationship between market orientation and performance scores on a number of criteria. Finally, the authors suggest that different forms of market orientation should be employed to target specific performance measures.

  11. Estimating Orientation of Flying Fruit Flies

    PubMed Central

    Cheng, Xi En; Wang, Shuo Hong; Qian, Zhi-Ming; Chen, Yan Qiu

    2015-01-01

    The recently growing interest in studying flight behaviours of fruit flies, Drosophila melanogaster, has highlighted the need for developing tools that acquire quantitative motion data. Despite recent advance of video tracking systems, acquiring a flying fly’s orientation remains a challenge for these tools. In this paper, we present a novel method for estimating individual flying fly’s orientation using image cues. Thanks to the line reconstruction algorithm in computer vision field, this work can thereby focus on the practical detail of implementation and evaluation of the orientation estimation algorithm. The orientation estimation algorithm can be incorporated into tracking algorithms. We rigorously evaluated the effectiveness and accuracy of the proposed algorithm by running experiments both on simulation data and on real-world data. This work complements methods for studying the fruit fly’s flight behaviours in a three-dimensional environment. PMID:26173128

  12. Task appraisals, emotions, and performance goal orientation.

    PubMed

    Fisher, Cynthia D; Minbashian, Amirali; Beckmann, Nadin; Wood, Robert E

    2013-03-01

    We predict real-time fluctuations in employees' positive and negative emotions from concurrent appraisals of the immediate task situation and individual differences in performance goal orientation. Task confidence, task importance, positive emotions, and negative emotions were assessed 5 times per day for 3 weeks in an experience sampling study of 135 managers. At the within-person level, appraisals of task confidence, task importance, and their interaction predicted momentary positive and negative emotions as hypothesized. Dispositional performance goal orientation was expected to moderate emotional reactivity to appraisals of task confidence and task importance. The hypothesized relationships were significant in the case of appraisals of task importance. Those high on performance goal orientation reacted to appraisals of task importance with stronger negative and weaker positive emotions than those low on performance goal orientation. PMID:23276116

  13. Metastable orientational order of colloidal discoids

    PubMed Central

    Hsiao, Lilian C.; Schultz, Benjamin A.; Glaser, Jens; Engel, Michael; Szakasits, Megan E.; Glotzer, Sharon C.; Solomon, Michael J.

    2015-01-01

    The interplay between phase separation and kinetic arrest is important in supramolecular self-assembly, but their effects on emergent orientational order are not well understood when anisotropic building blocks are used. Contrary to the typical progression from disorder to order in isotropic systems, here we report that colloidal oblate discoids initially self-assemble into short, metastable strands with orientational order—regardless of the final structure. The model discoids are suspended in a refractive index and density-matched solvent. Then, we use confocal microscopy experiments and Monte Carlo simulations spanning a broad range of volume fractions and attraction strengths to show that disordered clusters form near coexistence boundaries, whereas oriented strands persist with strong attractions. We rationalize this unusual observation in light of the interaction anisotropy imparted by the discoids. These findings may guide self-assembly for anisotropic systems in which orientational order is desired, such as when tailored mechanical properties are sought. PMID:26443082

  14. Practical Vocational Orientation in the Comprehensive School

    ERIC Educational Resources Information Center

    Orne, Ingegard

    1973-01-01

    This description of practical vocational orientation in the Swedish comprehensive schools has been excerpted from Pryo i Samverkan (1971), a publication of the Arbetsmarknadens Yrkesrad (Vocational Council of the Labor Market). (Editor)

  15. Project Integration Architecture: Architectural Overview

    NASA Technical Reports Server (NTRS)

    Jones, William Henry

    2001-01-01

    The Project Integration Architecture (PIA) implements a flexible, object-oriented, wrapping architecture which encapsulates all of the information associated with engineering applications. The architecture allows the progress of a project to be tracked and documented in its entirety. By being a single, self-revealing architecture, the ability to develop single tools, for example a single graphical user interface, to span all applications is enabled. Additionally, by bringing all of the information sources and sinks of a project into a single architectural space, the ability to transport information between those applications becomes possible, Object-encapsulation further allows information to become in a sense self-aware, knowing things such as its own dimensionality and providing functionality appropriate to its kind.

  16. Pattern orientation in finite domains without boundaries

    NASA Astrophysics Data System (ADS)

    Rapp, Lisa; Bergmann, Fabian; Zimmermann, Walter

    2016-01-01

    We investigate the orientation of nonlinear stripe patterns in finite domains. Motivated by recent experiments, we introduce a control parameter drop from supercritical inside a domain to subcritical outside without boundary conditions at the domain border. As a result, stripes align perpendicularly to shallow control parameter drops. For steeper drops, non-adiabatic effects lead to a surprising orientational transition to parallel stripes with respect to the borders. We demonstrate this effect in terms of the Brusselator model and generic amplitude equations.

  17. Extruded electroactive fibers: preferred crystallographic orientation

    NASA Astrophysics Data System (ADS)

    Strock, Harold B.; Pascucci, Marina R.; Bystricky, Pavel

    2001-07-01

    Electroactive fibers of preferred macro crystalline orientation and ultimately single crystal structure are goals of the research discussed in this paper. Four compositions are under evaluation; lead magnesium niobate- lead titanate solid solution, PMN-31PT, an incongruently melting near-morphotropic phase boundary piezoelectric composition; PMN-10PT, an electrostrictor composition; and two lead free compositions in the sodium bismuth titanate- barium titanate solid solution, NbiT-BaT, family, both congruently melting, one electrostrictor and one piezoelectric. The efficacy of seed crystals in stimulating oriented crystal growth is being evaluated in the lead-based PMN-31PT system. Sub-micron reactive precursor powders of high chemical potential are being evaluated as matrix material. Direct fiber and ribbon extrusion have been shown to orient high chemical potential are being evaluated as matrix material. Direct fiber and ribbon extrusion have been shown to orient high chemical potential are being evaluated as matrix material. Direct fiber and ribbon extrusion have been shown to orient prismatic, needle and platelet shaped seed crystals. Extrusion orifice, seed and initial matrix particle size have not influenced the degree of seed orientation within the tested bounds of our experimental parameters. Non-equilibrium sintering conditions near the melting points of all four compositions noted above will be used to generate exaggerated grain growth under seeded and self-seeding conditions. In the PMN-31PT system, an as yet uncharacterized melt phase appears to stimulate rapid crystal growth, the orientation of which shall be determined by x-ray back reflection Laue methods. Analyses of fiber composition and grain orientation are ongoing. Results to-date will be reported. Analyses of fiber quality and performance, measured using single fiber P-E loop testing, are presented. Loops of sufficient quality to warrant fiber evaluation in active fiber composite packs have

  18. Exposure fluctuations of astronauts due to orientation

    SciTech Connect

    Wilson, J.W.; Nealy, J.E.; Wood, J.S.; Qualls, G.; Atwell, W.; Shinn, J.L.; Simonsen, L.C.

    1993-09-01

    The dose incurred in an anisotropic environment depends on the orientation of the astronaut's body relative to the direction of the radiation field. The fluctuations in exposure of specific organs due to astronaut orientation are found to be a factor of 2 or more in a typical space habitation module and typical space radiations. An approximation function is found that overestimates astronaut exposure in most cases studied and is recommended as a shield design guide for future space missions.

  19. Exposure fluctuations of astronauts due to orientation

    NASA Technical Reports Server (NTRS)

    Wilson, John W.; Nealy, John E.; Wood, James S.; Qualls, Gary; Atwell, William; Shinn, Judy L.; Simonsen, Lisa C.

    1993-01-01

    The dose incurred in an anisotropic environment depends on the orientation of the astronaut's body relative to the direction of the radiation field. The fluctuations in exposure of specific organs due to astronaut orientation are found to be a factor of 2 or more in a typical space habitation module and typical space radiations. An approximation function is found that overestimates astronaut exposure in most cases studied and is recommended as a shield design guide for future space missions.

  20. Mapping cardiac fiber orientations from high-resolution DTI to high-frequency 3D ultrasound

    NASA Astrophysics Data System (ADS)

    Qin, Xulei; Wang, Silun; Shen, Ming; Zhang, Xiaodong; Wagner, Mary B.; Fei, Baowei

    2014-03-01

    The orientation of cardiac fibers affects the anatomical, mechanical, and electrophysiological properties of the heart. Although echocardiography is the most common imaging modality in clinical cardiac examination, it can only provide the cardiac geometry or motion information without cardiac fiber orientations. If the patient's cardiac fiber orientations can be mapped to his/her echocardiography images in clinical examinations, it may provide quantitative measures for diagnosis, personalized modeling, and image-guided cardiac therapies. Therefore, this project addresses the feasibility of mapping personalized cardiac fiber orientations to three-dimensional (3D) ultrasound image volumes. First, the geometry of the heart extracted from the MRI is translated to 3D ultrasound by rigid and deformable registration. Deformation fields between both geometries from MRI and ultrasound are obtained after registration. Three different deformable registration methods were utilized for the MRI-ultrasound registration. Finally, the cardiac fiber orientations imaged by DTI are mapped to ultrasound volumes based on the extracted deformation fields. Moreover, this study also demonstrated the ability to simulate electricity activations during the cardiac resynchronization therapy (CRT) process. The proposed method has been validated in two rat hearts and three canine hearts. After MRI/ultrasound image registration, the Dice similarity scores were more than 90% and the corresponding target errors were less than 0.25 mm. This proposed approach can provide cardiac fiber orientations to ultrasound images and can have a variety of potential applications in cardiac imaging.

  1. Design of orienting and aiming instrument based on fiber optic gyroscope

    NASA Astrophysics Data System (ADS)

    Zhang, Zhijun; Wang, Limin; Sun, Jiyu

    2007-12-01

    In order to improve the ground viability of missile weapon system, a quick orienting and aiming instrument is cried for the missile launching in modern war. The fiber optic gyroscope (FOG) based on Sagnac effect is a new type of all solid state rotation rate sensor that detects angular changes or angular rates relative to inertial space, which has many fine characteristics compared with traditional mechanical electronic gyro, such as low cost, light weight, long life, high reliability, wide dynamic range, etc. For the need of missile photoelectric aiming facility, It is necessary to design and manufacture a set of orienting and aiming instrument based on single axis FOG, to solve the close quarters aiming of missile launching, to measure the azimuth reference. Based on practical project, the principle of FOG orienting system and laser collimation theodolite aiming system is discussed and studied in this paper. Orienting and aiming system are constructed in the same basement. The influence of platform tilt on the precision of orientation is analyzed. An accelerator is used to compensate deviation caused by base tilt. The aiming precision affected by eccentricity of the encoders for laser collimation theodolite and the FOG orientation system are analyzed. The test results show that the aiming accuracy is 6' in three minutes. It is suitable for missile aiming in short range.

  2. TIARA project

    NASA Astrophysics Data System (ADS)

    Malecki, P.

    2013-10-01

    The aim of the Test Infrastructure and Accelerator Research Area - the TIARA project[1] is to consolidate and support the European R&D program in the field of physics and techniques of particle accelerators. This project, partially funded by the European Commission, groups 11 participants from 8 European countries, including Poland. Its present, threeyear (2011-2013) preparatory phase (PP) is shortly described in this paper. The project is divided into 9 work packages (WP). We will concentrate on four of them dedicated to governance, R&D infrastructures, joint R&D programming, and education and training, in which Polish participants are actively involved.

  3. Orientation Dependence of Jumping Droplet Condensation

    NASA Astrophysics Data System (ADS)

    Berrier, Austin; Boreyko, Jonathan; Nature-Inspired Fluids; Interfaces Team

    2015-11-01

    On nanostructured superhydrophobic surfaces, microscopic condensate exhibits out-of-plane jumping that minimizes the average droplet size for maximal phase-change heat transfer. This jumping-droplet phenomenon occurs independently of gravity and is due to surface energy being partially converted to kinetic energy upon coalescence events. Although the initial departure of the jumping droplets is independent of gravity, the subsequent trajectories exhibit a dependence upon the orientation of the substrate. The drop size distribution of jumping-droplet condensation growing on a superhydrophobic substrate was characterized for both horizontal and vertical surface orientations. With the horizontal orientation, jumping condensate returns to the substrate by gravity. While this can result in chain reactions with other droplets to trigger further jumping events, eventually the rebounding droplets become too large to jump and are stuck on the surface. In contrast, droplets jumping off a vertically oriented surface do not return to the substrate. For this reason, the maximum droplet diameters during condensation growth were found to be significantly larger on the horizontally oriented superhydrophobic surface than on the vertical orientation.

  4. Ecological causes and consequences of bird orientation.

    PubMed

    Alerstam, T

    1991-01-01

    An advanced orientation capability offers possibilities for birds to optimize movement patterns in a wide variety of ecological situations. The adaptive significance of various patterns of angular dispersion and of orientation responses to topography and sociality are elucidated. The orientation capacity is characterized by flexibility, exemplified by reorientation, promoting safety and restoration of fat reserves during migration. There are also limitations to the orientation process, leading to costs of migration through mis- or disorientation, and to constraints on the evolution of routes and timing of migratory flights. Young migrants may acquire an erroneous compass sense, and misorient several thousands of kilometers off their normal course. Widespread and dense fog of long duration causes disorientation and mortality among land birds migrating over the sea. Orientational constraints in the evolution of migration routes may be most easily disclosed at high geographic and magnetic latitudes. Here the birds are faced with special difficulties in using their celestial as well as their magnetic compasses. The sun compass could be used for great circle orientation, but observed spring flight trajectories of high-arctic waders and geese seem to conform with rhumbline routes. PMID:1838516

  5. Embedded sensor having an identifiable orientation

    DOEpatents

    Bennett, Thomas E.; Nelson, Drew V.

    2002-01-01

    An apparatus and method is described wherein a sensor, such as a mechanical strain sensor, embedded in a fiber core, is "flagged" to identify a preferred orientation of the sensor. The identifying "flag" is a composite material, comprising a plurality of non-woven filaments distributed in a resin matrix, forming a small planar tab. The fiber is first subjected to a stimulus to identify the orientation providing the desired signal response, and then sandwiched between first and second layers of the composite material. The fiber, and therefore, the sensor orientation is thereby captured and fixed in place. The process for achieving the oriented fiber includes, after identifying the fiber orientation, carefully laying the oriented fiber onto the first layer of composite, moderately heating the assembled layer for a short period in order to bring the composite resin to a "tacky" state, heating the second composite layer as the first, and assembling the two layers together such that they merge to form a single consolidated block. The consolidated block achieving a roughly uniform distribution of composite filaments near the embedded fiber such that excess resin is prevented from "pooling" around the periphery of the fiber.

  6. Rigorous theory of molecular orientational nonlinear optics

    NASA Astrophysics Data System (ADS)

    Kwak, Chong Hoon; Kim, Gun Yeup

    2015-01-01

    Classical statistical mechanics of the molecular optics theory proposed by Buckingham [A. D. Buckingham and J. A. Pople, Proc. Phys. Soc. A 68, 905 (1955)] has been extended to describe the field induced molecular orientational polarization effects on nonlinear optics. In this paper, we present the generalized molecular orientational nonlinear optical processes (MONLO) through the calculation of the classical orientational averaging using the Boltzmann type time-averaged orientational interaction energy in the randomly oriented molecular system under the influence of applied electric fields. The focal points of the calculation are (1) the derivation of rigorous tensorial components of the effective molecular hyperpolarizabilities, (2) the molecular orientational polarizations and the electronic polarizations including the well-known third-order dc polarization, dc electric field induced Kerr effect (dc Kerr effect), optical Kerr effect (OKE), dc electric field induced second harmonic generation (EFISH), degenerate four wave mixing (DFWM) and third harmonic generation (THG). We also present some of the new predictive MONLO processes. For second-order MONLO, second-order optical rectification (SOR), Pockels effect and difference frequency generation (DFG) are described in terms of the anisotropic coefficients of first hyperpolarizability. And, for third-order MONLO, third-order optical rectification (TOR), dc electric field induced difference frequency generation (EFIDFG) and pump-probe transmission are presented.

  7. Rigorous theory of molecular orientational nonlinear optics

    SciTech Connect

    Kwak, Chong Hoon Kim, Gun Yeup

    2015-01-15

    Classical statistical mechanics of the molecular optics theory proposed by Buckingham [A. D. Buckingham and J. A. Pople, Proc. Phys. Soc. A 68, 905 (1955)] has been extended to describe the field induced molecular orientational polarization effects on nonlinear optics. In this paper, we present the generalized molecular orientational nonlinear optical processes (MONLO) through the calculation of the classical orientational averaging using the Boltzmann type time-averaged orientational interaction energy in the randomly oriented molecular system under the influence of applied electric fields. The focal points of the calculation are (1) the derivation of rigorous tensorial components of the effective molecular hyperpolarizabilities, (2) the molecular orientational polarizations and the electronic polarizations including the well-known third-order dc polarization, dc electric field induced Kerr effect (dc Kerr effect), optical Kerr effect (OKE), dc electric field induced second harmonic generation (EFISH), degenerate four wave mixing (DFWM) and third harmonic generation (THG). We also present some of the new predictive MONLO processes. For second-order MONLO, second-order optical rectification (SOR), Pockels effect and difference frequency generation (DFG) are described in terms of the anisotropic coefficients of first hyperpolarizability. And, for third-order MONLO, third-order optical rectification (TOR), dc electric field induced difference frequency generation (EFIDFG) and pump-probe transmission are presented.

  8. Dynamical Scenarios for Chromosome Bi-orientation

    PubMed Central

    Zhang, Tongli; Oliveira, Raquel A.; Schmierer, Bernhard; Novák, Béla

    2013-01-01

    Chromosome bi-orientation at the metaphase spindle is essential for precise segregation of the genetic material. The process is error-prone, and error-correction mechanisms exist to switch misaligned chromosomes to the correct, bi-oriented configuration. Here, we analyze several possible dynamical scenarios to explore how cells might achieve correct bi-orientation in an efficient and robust manner. We first illustrate that tension-mediated feedback between the sister kinetochores can give rise to a bistable switch, which allows robust distinction between a loose attachment with low tension and a strong attachment with high tension. However, this mechanism has difficulties in explaining how bi-orientation is initiated starting from unattached kinetochores. We propose four possible mechanisms to overcome this problem (exploiting molecular noise; allowing an efficient attachment of kinetochores already in the absence of tension; a trial-and-error oscillation; and a stochastic bistable switch), and assess their impact on the bi-orientation process. Based on our results and supported by experimental data, we put forward a trial-and-error oscillation and a stochastic bistable switch as two elegant mechanisms with the potential to promote bi-orientation both efficiently and robustly. PMID:23790367

  9. Eta Carinae: Orientation of The Orbital Plane

    NASA Technical Reports Server (NTRS)

    Gull, T. R.; Nielsen, K. E.; Ivarsson, S.; Corcoran, M. F.; Verner, E.; Hillier, J. D.

    2006-01-01

    Evidence continues to build that Eta Carinae is a massive binary system with a hidden hot companion in a highly elliptical orbit. We present imaging and spectroscopic evidence that provide clues to the orientation of the orbital plane. The circumstellar ejecta, known as the Homunculus and Little Homunculus, are hourglass-shaped structures, one encapsulated within the other, tilted at about 45 degrees from the sky plane. A disk region lies between the bipolar lobes. Based upon their velocities and proper motions, Weigelt blobs B, C and D, very bright emission clumps 0.1 to 0.3" Northwest from Eta Carinae, lie in the disk. UV flux from the hot companion, Eta Car B, photoexcites the Weigelt blobs. Other clumps form a complete chain around the star, but are not significantly photoexcited. The strontium filament, a 'neutral' emission structure, lies in the same general direction as the Weigelt blobs and exhibits peculiar properties indicative that much mid-UV, but no hydrogen-ionizing radiation impinges on this structure. It is shielded by singly-ionized iron. P Cygni absorptions in Fe I I lines, seen directly in line of sight from Eta Carinae, are absent in the stellar light scattered by the Weigelt blobs. Rather than a strong absorption extending to -600 km/s, a low velocity absorption feature extends from -40 to -150 km/s. No absorbing Fe II exists between Eta Carinae and Weigelt D, but the outer reaches of the wind are intercepted in line of sight from Weigelt D to the observer. This indicates that the UV radiation is constrained by the dominating wind of Eta Car A to a small cavity carved out by the weaker wind of Eta Car B. Since the high excitation nebular lines are seen in the Weigelt blobs at most phases, the cavity, and hence the major axis of the highly elliptical orbit, must lie in the general direction of the Weigelt blobs. The evidence is compelling that the orbital major axis of Eta Carinae is projected at -45 degrees position angle on the sky. Moreover

  10. Organized arrangement of orientation-sensitive relay cells in the cat's dorsal lateral geniculate nucleus.

    PubMed

    Shou, T D; Leventhal, A G

    1989-12-01

    We studied the physiological orientation biases of over 700 relay cells in the cat's dorsal lateral geniculate nucleus (LGNd). Relay cells were sampled at regular intervals along horizontally as well as vertically oriented electrode penetrations in a fashion analogous to that used previously in studies of visual cortex (Hubel and Wiesel, 1962). The strengths of the orientation biases and the distributions of the preferred orientations were determined for different classes of relay cells, relay cells in different layers of the LGNd, and relay cells subserving different parts of the visual field. We find that, at the population level, LGNd cells exhibit about the same degree of orientation bias as do the retinal ganglion cells providing their inputs (see also Soodak et al., 1987). Also, as in the retina (Levick and Thibos, 1982; Leventhal and Schall, 1983), most LGNd cells tend to prefer stimuli oriented radially, i.e., parallel to the line connecting their receptive fields to the area centralis projection. However, the radial bias in the LGNd is weaker than in the retina. Moreover, there is a relative overrepresentation of cells preferring tangentially oriented stimuli in the LGNd but not in the retina. As a result of the overrepresentation of cells preferring radial and tangential stimuli, the overall distribution of preferred orientations varies in regions of the LGNd subserving different parts of the visual field. Reconstructions of our electrode penetrations provide evidence that, unlike in the retina, cells having similar preferred orientations are clustered in the LGNd. This clustering is apparent for all cell types and in all parts of laminae A and A1. The tendency to cluster according to preferred orientation is evident for cells preferring radially, intermediately, and tangentially oriented stimuli and thus is not simply a reflection of the radial bias evident among retinal ganglion cells at the population level. It is already known that cells having inputs

  11. Object-oriented software design for the Mt. Wilson 100-inch Hooker telescope adaptive optics system

    NASA Astrophysics Data System (ADS)

    Schneider, Thomas G.

    2000-06-01

    The object oriented software design paradigm has been instrumented in the development of the Adoptics software used in the Hooker telescope's ADOPT adaptive optics system. The software runs on a Pentium-class PC host and eight DSP processors connected to the host's motherboard bus. C++ classes were created to implement most of the host software's functionality, with the object oriented features of inheritance, encapsulation and abstraction being the most useful. Careful class design at the inception of the project allowed for the rapid addition of features without comprising the integrity of the software. Base class implementations include the DSP system, real-time graphical displays and opto-mechanical actuator control.

  12. The Applicability of Proposed Object-Oriented Metrics to Developer Feedback in Time to Impact Development

    NASA Technical Reports Server (NTRS)

    Neal, Ralph D.

    1996-01-01

    This paper looks closely at each of the software metrics generated by the McCabe object-Oriented Tool(TM) and its ability to convey timely information to developers. The metrics are examined for meaningfulness in terms of the scale assignable to the metric by the rules of measurement theory and the software dimension being measured. Recommendations are made as to the proper use of each metric and its ability to influence development at an early stage. The metrics of the McCabe Object-Oriented Tool(TM) set were selected because of the tool's use in a couple of NASA IV&V projects.

  13. Advanced Computing Technologies for Rocket Engine Propulsion Systems: Object-Oriented Design with C++

    NASA Technical Reports Server (NTRS)

    Bekele, Gete

    2002-01-01

    This document explores the use of advanced computer technologies with an emphasis on object-oriented design to be applied in the development of software for a rocket engine to improve vehicle safety and reliability. The primary focus is on phase one of this project, the smart start sequence module. The objectives are: 1) To use current sound software engineering practices, object-orientation; 2) To improve on software development time, maintenance, execution and management; 3) To provide an alternate design choice for control, implementation, and performance.

  14. Project PROBE, 1985-1986. OEA Evaluation Report.

    ERIC Educational Resources Information Center

    New York City Board of Education, Brooklyn. Office of Educational Assessment.

    In its second year of operation, Project PROBE (Professions Oriented Bilingual Education) experienced difficulty in meeting some of its instructional objectives. The project had sought to provide instructional and supportive services to 200 Spanish-speaking students from Latin America at Louis D. Brandeis High School (Manhattan, New York) and to…

  15. Social Studies Education and Public Art: The Detroit Billboard Project

    ERIC Educational Resources Information Center

    Taylor, Julie Anne; Iroha, Okezie

    2015-01-01

    The aim of this action-research project was to evaluate the impact of high school students' involvement in community-oriented, art-based work in the social studies. In Detroit, high school students engaged in persuasive writing and design while exploring community issues. The project culminated in the installation of student artwork on a billboard…

  16. AI/Simulation Fusion Project at Lawrence Livermore National Laboratory

    SciTech Connect

    Erickson, S.A.

    1984-04-25

    This presentation first discusses the motivation for the AI Simulation Fusion project. After discussing very briefly what expert systems are in general, what object oriented languages are in general, and some observed features of typical combat simulations, it discusses why putting together artificial intelligence and combat simulation makes sense. We then talk about the first demonstration goal for this fusion project.

  17. The ECLSS Advanced Automation Project Evolution and Technology Assessment

    NASA Technical Reports Server (NTRS)

    Dewberry, Brandon S.; Carnes, James R.; Lukefahr, Brenda D.; Rogers, John S.; Rochowiak, Daniel M.; Mckee, James W.; Benson, Brian L.

    1990-01-01

    Viewgraphs on Environmental Control and Life Support System (ECLSS) advanced automation project evolution and technology assessment are presented. Topics covered include: the ECLSS advanced automation project; automatic fault diagnosis of ECLSS subsystems descriptions; in-line, real-time chemical and microbial fluid analysis; and object-oriented, distributed chemical and microbial modeling of regenerative environmental control systems description.

  18. The Sage Project: A New Image of Aging

    ERIC Educational Resources Information Center

    Dychtwald, Ken

    1978-01-01

    The Sage Project effectively merges a humanistic clinical approach to self-development and personal growth with a much needed demand for creative and positively oriented gerontological programs and services. Discusses the Sage Project's four primary programs: (a) Core group programs; (b) Institutional programs; (c) Professional training and…

  19. Teaching target-oriented and diversity-oriented organic synthesis at Harvard University.

    PubMed

    Burke, Martin D; Lalic, Gojko

    2002-05-01

    Diversity-oriented synthesis presents many formidable challenges to the practitioners of synthetic organic chemistry. Those challenges include the effective teaching of this new and evolving discipline to ensure that students are well positioned to begin exploring its full potential. Fortunately, the teaching of synthetic organic chemistry has a rich history in the context of target-oriented synthesis, and this precedent can serve as a strong foundation for meeting the challenges of teaching diversity-oriented synthesis.

  20. Project Reptile!

    ERIC Educational Resources Information Center

    Diffily, Deborah

    2001-01-01

    Integrating curriculum is important in helping children make connections within and among areas. Presents a class project for kindergarten children which came out of the students' interests and desire to build a reptile exhibit. (ASK)

  1. Project Summaries

    ERIC Educational Resources Information Center

    Journal of Architectural Education, 1974

    1974-01-01

    Fellows of the Association of Collegiate Schools of Architecture Environmental Experience Stipends Program describe their project activities for 1973-74 including: an inservice course for teachers, television programs, graduate courses, high school courses, and workshops. (Author/PG)

  2. Alzheimer's Project

    MedlinePlus

    ... about the films on our message board . Watch films free online now "The Memory Loss Tapes" (85 ... ALZHEIMER'S PROJECT" is a presentation of HBO Documentary Films and the National Institute on Aging at the ...

  3. Geodynamics Project

    ERIC Educational Resources Information Center

    Drake, Charles L.

    1977-01-01

    Describes activities of Geodynamics Project of the Federal Council on Science and Technology, such as the application of multichannel seismic-reflection techniques to study the nature of the deep crust and upper mantle. (MLH)

  4. Daily Earth orientation parameters from satellite laser ranging

    NASA Astrophysics Data System (ADS)

    Pavlis, E.

    2003-04-01

    The JCET/GSFC Associate Analysis Center for the International Laser Ranging Service (ILRS) participated over the past year in a Pilot Project of the ILRS Analysis Working Group. The goal of the Pilot Project is the optimal combination of laser ranging data from ETALON 1 and 2 with the nominal data set from LAGEOS and LAGEOS 2, which ILRS normally uses in our series of Earth Orientation Parameters EOP, submitted to the International Earth Rotation Service (IERS). We present here the new re-analysis of the expanded data set for the definition of the Terrestrial Reference Frame (TRF) and its crust-fixed orientation. This latest analysis of the SLR data set from LAGEOS and LAGEOS 2 with the addition of the data from ETALON 1 and 2, examines the possibility of improving the results for the TRF and EOP, with only a small increase in the processing effort. This work is being done in the framework of the ILRS Pilot Project for, amongst other things, the precise estimation of the EOP from SLR data in a routine fashion. Along with the Earth orientation and the static parameters of the TRF we determined a time series of variations of its origin with respect to the instantaneous center of mass of the Earth system (geocenter). The data from the two newly included targets, ETALON 1 and 2, come from an enhanced data set which is the result of a dedicated tracking campaign by the ILRS network of stations, initiated at the request of the ILRS Analysis Working Group on April 1, 2001 and currently in progress. Due to the different orbital geometry and tracking pattern of the two “constellations” (LAGEOS vs. ETALON), it was required to carefully evaluate the relative weight between the two data sets in order to optimally combine them. The data were reduced using NASA Goddard’s GEODYN/SOLVE II software, resulting in a final RMS error of about 8 mm. We will discuss our weighting scheme, vis-à-vis our solution for the EOP and geocenter, compare them to our previous solutions based

  5. Student goal orientation in learning inquiry skills with modifiable software advisors

    NASA Astrophysics Data System (ADS)

    Shimoda, Todd Adrian

    A computer support environment (SCI-WISE) for learning and doing inquiry was designed. The system incorporates software advisors that give task completion advice (eg., forming hypotheses), general purpose advice (e.g., brainstorming), or system modification advice. Advisors' knowledge includes concepts, strategies, examples, referrals to other advisors, and criteria for evaluating good products and skills. Students using SCI-WISE can select the advisors' advice type (specific, general, or hints), and when advisors give advice (anytime, alert, or ask). Students can also modify the advisors' knowledge. The system is designed partly on a theoretical framework that assumes giving students higher levels of agency will facilitate higher-level goal orientation (such as knowledge-building) and produce higher levels of competence. In two studies of sixth graders, science students took a pretest of an open-ended inquiry question and a questionnaire that measured their goal orientations. The students worked in pairs on an inquiry project about memory, using one of two versions of SCI-WISE, one modifiable and one not modifiable. After finishing the project, the students took a posttest similar to the pretest, and evaluated the system. The main hypotheses predicted that knowledge-oriented students using the modifiable version would rate the system higher, use it more effectively, and do better on the inquiry posttest than task-oriented students. The results supported many of the hypotheses generated from the theoretical framework. Knowledge-oriented students tended to rate SCI-WISE higher, use more general purpose and system development advisors, and select more general advice and hints than task-oriented students. On the posttest inquiry test, students with higher goal orientations scored higher on average, particularly when paired with another knowledge oriented student. The studies also showed that goal orientation was not correlated with grade point average. Finally, the

  6. Orientation and shape dependence of embryonic wound healing

    NASA Astrophysics Data System (ADS)

    Lynch, Holley; Ma, Xiaoyan; Hutson, M. Shane

    2007-11-01

    Wounds in embryonic epithelia heal without scarring. They do so via the combined action of two cytoskeletal structures: an actin-rich supracellular purse-string at the wound margin; and actin-based projections like filopodia. Neither structure is absolutely required for wound closure and their relative importance depends strongly on wound shape. To further investigate this dependence, we have followed the healing process in fruit fly embryos using confocal microscopy after precise laser incisions. The wound shape and rate of healing depend on the orientation of the incision. Cuts along the long axis of the embryo initially expand to greater areas and round up. Cuts along the short axis expand less and remain elliptical. These short-axis wounds heal more quickly and in a different manner. For such cuts, cellular projections tend to bridge across the ends of the wound. After such bridges are formed, the smaller holes (towards the ends of the wound) close quickly. On the other hand, for cuts along the long axis, the cellular projections tend to bridge across the middle of the wound -- often leaving two to three holes of similar size that then close independently at similar rates.

  7. Development of ISO connection-oriented/correctionless gateways

    NASA Technical Reports Server (NTRS)

    Landweber, Lawrence H.

    1991-01-01

    The project had two goals, establishment of a gateway between French and U.S. academic networks and studies of issues related to the development of ISO connection-oriented/connectionless (CO/CL) gateways. The first component involved installation of a 56K bps line between Princeton Univ. and INRIA in France. The end-points of these lines were connected by Vitalink link level bridges. The Princeton end was then connected to the NSFNET via the John Von Neumann Supercomputer Center. The French end was connected to Transpac, the French X.25 public data network and to the French IP research internet. U.S. users may communicate with users of the French internet by e-mail and may access computational and data resources in France by use of remote login and file transfer. The connection to Transpac enables U.S. users to access the SIMBAD astronomical database outside of Paris. Access to this database from the U.S. can be via TCP/IP or DECNET (via a DECNET to TCP/IP gateway) protocols utilizing a TCP/IP to X.25 gateway developed and operated by INRIA. The second component of the project involved experiments aimed at understanding the issues involved is ISO CO/CL gateways. An experimental gateway was developed at Wisconsin and a preliminary report was prepared. Because of the need to devote most resources to the first component of the project, work in this area did not go beyond development of a prototype gateway.

  8. Practice Oriented Master's in Optics

    NASA Technical Reports Server (NTRS)

    Dimmock, John O.

    1998-01-01

    The development of an interdisciplinary Masters Program with a concentration in Optics and Photonics Technology has been is described. This program was developed under the U.S. Manufacturing Education and Training Activity of the Technology Reinvestment Project. This development was a collaboration between the University of Alabama in Huntsville (UAH), Alabama A&M University, Northwest Shoals Community College, the NASA Marshall Space Flight Center (MSFC), the U.S. Army Missile Command, Oak Ridge National Laboratory (ORNL), Advanced Optical Systems Inc., Dynetics, Inc., Hughes Danbury Optical Systems, Inc., Nichols Research and Speedring Inc. These organizations as well as the National Institute for Standards and Technology and SCI, Inc. have been participating fully in the design, development and implementation of this program. This goal of the program is to produce highly trained graduates who can also solve practical problems. To this end, the program includes an on-site practicum at a manufacturing location. The broad curriculum of this program emphasizes the fundamentals of optics, optical systems manufacturing and testing, and the principles of design and manufacturing to cost for commercial products. The Master's of Science (MS) in Physics and Master's of Science in Engineering (MSE) in Electrical Engineering Degrees with concentration in Optics and Photonics Technology are offered by the respective UAH academic departments with support from and in consultation with a Steering Committee composed of representatives from each of the participating organizations, and a student representative from UAH. The origins of the programs are described. The curricula of the programs is described. The course outlines of the new courses which were developed for the new curriculum are included. Also included are samples of on-site practicums which the students have been involved in. Also included as attachments are samples of the advertisements, which includes flyers, and

  9. Magnetic compass orientation in the European eel.

    PubMed

    Durif, Caroline M F; Browman, Howard I; Phillips, John B; Skiftesvik, Anne Berit; Vøllestad, L Asbjørn; Stockhausen, Hans H

    2013-01-01

    European eel migrate from freshwater or coastal habitats throughout Europe to their spawning grounds in the Sargasso Sea. However, their route (~ 6000 km) and orientation mechanisms are unknown. Several attempts have been made to prove the existence of magnetoreception in Anguilla sp., but none of these studies have demonstrated magnetic compass orientation in earth-strength magnetic field intensities. We tested eels in four altered magnetic field conditions where magnetic North was set at geographic North, South, East, or West. Eels oriented in a manner that was related to the tank in which they were housed before the test. At lower temperature (under 12°C), their orientation relative to magnetic North corresponded to the direction of their displacement from the holding tank. At higher temperatures (12-17°C), eels showed bimodal orientation along an axis perpendicular to the axis of their displacement. These temperature-related shifts in orientation may be linked to the changes in behavior that occur between the warm season (during which eels are foraging) and the colder fall and winter (during which eels undertake their migrations). These observations support the conclusion that 1. eels have a magnetic compass, and 2. they use this sense to orient in a direction that they have registered moments before they are displaced. The adaptive advantage of having a magnetic compass and learning the direction in which they have been displaced becomes clear when set in the context of the eel's seaward migration. For example, if their migration is halted or blocked, as it is the case when environmental conditions become unfavorable or when they encounter a barrier, eels would be able to resume their movements along their old bearing when conditions become favorable again or when they pass by the barrier.

  10. Magnetic Compass Orientation in the European Eel

    PubMed Central

    Durif, Caroline M. F.; Browman, Howard I.; Phillips, John B.; Skiftesvik, Anne Berit; Vøllestad, L. Asbjørn; Stockhausen, Hans H.

    2013-01-01

    European eel migrate from freshwater or coastal habitats throughout Europe to their spawning grounds in the Sargasso Sea. However, their route (∼ 6000 km) and orientation mechanisms are unknown. Several attempts have been made to prove the existence of magnetoreception in Anguilla sp., but none of these studies have demonstrated magnetic compass orientation in earth-strength magnetic field intensities. We tested eels in four altered magnetic field conditions where magnetic North was set at geographic North, South, East, or West. Eels oriented in a manner that was related to the tank in which they were housed before the test. At lower temperature (under 12°C), their orientation relative to magnetic North corresponded to the direction of their displacement from the holding tank. At higher temperatures (12–17°C), eels showed bimodal orientation along an axis perpendicular to the axis of their displacement. These temperature-related shifts in orientation may be linked to the changes in behavior that occur between the warm season (during which eels are foraging) and the colder fall and winter (during which eels undertake their migrations). These observations support the conclusion that 1. eels have a magnetic compass, and 2. they use this sense to orient in a direction that they have registered moments before they are displaced. The adaptive advantage of having a magnetic compass and learning the direction in which they have been displaced becomes clear when set in the context of the eel’s seaward migration. For example, if their migration is halted or blocked, as it is the case when environmental conditions become unfavorable or when they encounter a barrier, eels would be able to resume their movements along their old bearing when conditions become favorable again or when they pass by the barrier. PMID:23554997

  11. Magnetic compass orientation in the European eel.

    PubMed

    Durif, Caroline M F; Browman, Howard I; Phillips, John B; Skiftesvik, Anne Berit; Vøllestad, L Asbjørn; Stockhausen, Hans H

    2013-01-01

    European eel migrate from freshwater or coastal habitats throughout Europe to their spawning grounds in the Sargasso Sea. However, their route (~ 6000 km) and orientation mechanisms are unknown. Several attempts have been made to prove the existence of magnetoreception in Anguilla sp., but none of these studies have demonstrated magnetic compass orientation in earth-strength magnetic field intensities. We tested eels in four altered magnetic field conditions where magnetic North was set at geographic North, South, East, or West. Eels oriented in a manner that was related to the tank in which they were housed before the test. At lower temperature (under 12°C), their orientation relative to magnetic North corresponded to the direction of their displacement from the holding tank. At higher temperatures (12-17°C), eels showed bimodal orientation along an axis perpendicular to the axis of their displacement. These temperature-related shifts in orientation may be linked to the changes in behavior that occur between the warm season (during which eels are foraging) and the colder fall and winter (during which eels undertake their migrations). These observations support the conclusion that 1. eels have a magnetic compass, and 2. they use this sense to orient in a direction that they have registered moments before they are displaced. The adaptive advantage of having a magnetic compass and learning the direction in which they have been displaced becomes clear when set in the context of the eel's seaward migration. For example, if their migration is halted or blocked, as it is the case when environmental conditions become unfavorable or when they encounter a barrier, eels would be able to resume their movements along their old bearing when conditions become favorable again or when they pass by the barrier. PMID:23554997

  12. Inertial Orientation Trackers with Drift Compensation

    NASA Technical Reports Server (NTRS)

    Foxlin, Eric M.

    2008-01-01

    A class of inertial-sensor systems with drift compensation has been invented for use in measuring the orientations of human heads (and perhaps other, similarly sized objects). These systems can be designed to overcome some of the limitations of prior orientation-measuring systems that are based, variously, on magnetic, optical, mechanical-linkage, and acoustical principles. The orientation signals generated by the systems of this invention could be used for diverse purposes, including controlling head-orientation-dependent virtual reality visual displays or enabling persons whose limbs are paralyzed to control machinery by means of head motions. The inventive concept admits to variations too numerous to describe here, making it necessary to limit this description to a typical system, the selected aspects of which are illustrated in the figure. A set of sensors is mounted on a bracket on a band or a cap that gently but firmly grips the wearer s head to be tracked. Among the sensors are three drift-sensitive rotationrate sensors (e.g., integrated-circuit angular- rate-measuring gyroscopes), which put out DC voltages nominally proportional to the rates of rotation about their sensory axes. These sensors are mounted in mutually orthogonal orientations for measuring rates of rotation about the roll, pitch, and yaw axes of the wearer s head. The outputs of these rate sensors are conditioned and digitized, and the resulting data are fed to an integrator module implemented in software in a digital computer. In the integrator module, the angular-rate signals are jointly integrated by any of several established methods to obtain a set of angles that represent approximately the orientation of the head in an external, inertial coordinate system. Because some drift is always present as a component of an angular position computed by integrating the outputs of angular-rate sensors, the orientation signal is processed further in a drift-compensator software module.

  13. Hierarchical organisation in perception of orientation.

    PubMed

    Spinelli, D; Antonucci, G; Daini, R; Martelli, M L; Zoccolotti, P

    1999-01-01

    According to Rock [1990, in The Legacy of Solomon Asch (Hillsdale, NJ: Lawrence Erlbaum Associates)], hierarchical organisation of perception describes cases in which the orientation of an object is affected by the immediately surrounding elements in the visual field. Various experiments were performed to study the hierarchical organisation of orientation perception. In most of them the rod-and-frame-illusion (RFI: change of the apparent vertical measured on a central rod surrounded by a tilted frame) was measured in the presence/absence of a second inner frame. The first three experiments showed that, when the inner frame is vertical, the direction and size of the illusion are consistent with expectancies based on the hierarchical organisation hypothesis. An analysis of published and unpublished data collected on a large number of subjects showed that orientational hierarchical effects are independent from the absolute size of the RFI. In experiments 4 to 7 we examined the perceptual conditions of the inner stimulus (enclosure, orientation, and presence of luminance borders) critical for obtaining a hierarchical organisation effect. Although an inner vertical square was effective in reducing the illusion (experiment 3), an inner circle enclosing the rod was ineffective (experiment 4). This indicates that definite orientation is necessary to modulate the illusion. However, orientational information provided by a vertical or horizontal rectangle presented near the rod, but not enclosing it, did not modulate the RFI (experiment 5). This suggests that the presence of a figure with oriented contours enclosing the rod is critical. In experiments 6 and 7 we studied whether the presence of luminance borders is important or whether the inner upright square might be effective also if made of subjective contours. When the subjective contour figure was salient and the observers perceived it clearly, its effectiveness in modulating the RFI was comparable to that observed with

  14. Locus of Control Orientation: Parents, Peers, and Place.

    PubMed

    Ahlin, Eileen M; Lobo Antunes, Maria João

    2015-09-01

    An internal locus of control contributes to positive youth outcomes such as a general well-being and academic success, while also serving as a protective factor against exposure to community violence and reducing negative behaviors like violence. Despite these benefits, very little is known about antecedents of an internal locus of control orientation. Without an understanding of what factors contribute to the development of an internal locus of control, it is not clear how to best encourage its formation. This study uses data from the Project on Human Development in Chicago Neighborhoods to examine whether various mesosystem variables (family management strategies, peer interactions, neighborhood context, and individual-level characteristics) are associated with an internal locus of control orientation among 1,076 youth ages 9-19 living in 78 Chicago neighborhoods. Study participants were Hispanic (46 %), African American (34 %), and White (15 %), and 50 % were female. The findings suggest that, while most levels of the mesosystem influence locus of control orientation, family management strategies are more prominent determinants of an internal locus of control than peers, neighborhood context, or individual characteristics. Parental supervision over the time a youth spends at home and family socioeconomic status are consistent predictors of an internal locus of control, while harsh discipline is associated with an external locus of control. The discussion examines the import of various parenting techniques in shaping an internal locus of control and considers future avenues for research to further unpack how antecedents of locus of control can vary across youth. PMID:25617000

  15. Locus of Control Orientation: Parents, Peers, and Place.

    PubMed

    Ahlin, Eileen M; Lobo Antunes, Maria João

    2015-09-01

    An internal locus of control contributes to positive youth outcomes such as a general well-being and academic success, while also serving as a protective factor against exposure to community violence and reducing negative behaviors like violence. Despite these benefits, very little is known about antecedents of an internal locus of control orientation. Without an understanding of what factors contribute to the development of an internal locus of control, it is not clear how to best encourage its formation. This study uses data from the Project on Human Development in Chicago Neighborhoods to examine whether various mesosystem variables (family management strategies, peer interactions, neighborhood context, and individual-level characteristics) are associated with an internal locus of control orientation among 1,076 youth ages 9-19 living in 78 Chicago neighborhoods. Study participants were Hispanic (46 %), African American (34 %), and White (15 %), and 50 % were female. The findings suggest that, while most levels of the mesosystem influence locus of control orientation, family management strategies are more prominent determinants of an internal locus of control than peers, neighborhood context, or individual characteristics. Parental supervision over the time a youth spends at home and family socioeconomic status are consistent predictors of an internal locus of control, while harsh discipline is associated with an external locus of control. The discussion examines the import of various parenting techniques in shaping an internal locus of control and considers future avenues for research to further unpack how antecedents of locus of control can vary across youth.

  16. Apollo - LOLA project

    NASA Technical Reports Server (NTRS)

    1961-01-01

    Project LOLA. Test subject sitting at the controls: Project LOLA or Lunar Orbit and Landing Approach was a simulator built at Langley to study problems related to landing on the lunar surface. It was a complex project that cost nearly $2 million dollars. James Hansen wrote: 'This simulator was designed to provide a pilot with a detailed visual encounter with the lunar surface; the machine consisted primarily of a cockpit, a closed-circuit TV system, and four large murals or scale models representing portions of the lunar surface as seen from various altitudes. The pilot in the cockpit moved along a track past these murals which would accustom him to the visual cues for controlling a spacecraft in the vicinity of the moon. Unfortunately, such a simulation--although great fun and quite aesthetic--was not helpful because flight in lunar orbit posed no special problems other than the rendezvous with the LEM, which the device did not simulate. Not long after the end of Apollo, the expensive machine was dismantled.' (p. 379) Ellis J. White wrote in his paper, 'Discussion of Three Typical Langley Research Center Simulation Programs' : 'A typical mission would start with the first cart positioned on model 1 for the translunar approach and orbit establishment. After starting the descent, the second cart is readied on model 2 and, at the proper time, when superposition occurs, the pilot's scene is switched from model 1 to model 2. then cart 1 is moved to and readied on model 3. The procedure continues until an altitude of 150 feet is obtained. The cabin of the LM vehicle has four windows which represent a 45 degree field of view. The projection screens in front of each window represent 65 degrees which allows limited head motion before the edges of the display can be seen. The lunar scene is presented to the pilot by rear projection on the screens with four Schmidt television projectors. The attitude orientation of the vehicle is represented by changing the lunar scene

  17. Molecularly Oriented Polymeric Thin Films for Space Applications

    NASA Technical Reports Server (NTRS)

    Fay, Catharine C.; Stoakley, Diane M.; St.Clair, Anne K.

    1997-01-01

    The increased commitment from NASA and private industry to the exploration of outer space and the use of orbital instrumentation to monitor the earth has focused attention on organic polymeric materials for a variety of applications in space. Some polymeric materials have exhibited short-term (3-5 yr) space environmental durability; however, future spacecraft are being designed with lifetimes projected to be 10-30 years. This gives rise to concern that material property change brought about during operation may result in unpredicted spacecraft performance. Because of their inherent toughness and flexibility, low density, thermal stability, radiation resistance and mechanical strength, aromatic polyimides have excellent potential use as advanced materials on large space structures. Also, there exists a need for high temperature (200-300 C) stable, flexible polymeric films that have high optical transparency in the 300-600nm range of the electromagnetic spectrum. Polymers suitable for these space applications were fabricated and characterized. Additionally, these polymers were molecularly oriented to further enhance their dimensional stability, stiffness, elongation and strength. Both unoriented and oriented polymeric thin films were also cryogenically treated to temperatures below -184 C to show their stability in cold environments and determine any changes in material properties.

  18. Using object-oriented analysis techniques to support system testing

    NASA Astrophysics Data System (ADS)

    Zucconi, Lin

    1990-03-01

    Testing of real-time control systems can be greatly facilitated by use of object-oriented and structured analysis modeling techniques. This report describes a project where behavior, process and information models built for a real-time control system were used to augment and aid traditional system testing. The modeling techniques used were an adaptation of the Ward/Mellor method for real-time systems analysis and design (Ward85) for object-oriented development. The models were used to simulate system behavior by means of hand execution of the behavior or state model and the associated process (data and control flow) and information (data) models. The information model, which uses an extended entity-relationship modeling technique, is used to identify application domain objects and their attributes (instance variables). The behavioral model uses state-transition diagrams to describe the state-dependent behavior of the object. The process model uses a transformation schema to describe the operations performed on or by the object. Together, these models provide a means of analyzing and specifying a system in terms of the static and dynamic properties of the objects which it manipulates. The various models were used to simultaneously capture knowledge about both the objects in the application domain and the system implementation. Models were constructed, verified against the software as-built and validated through informal reviews with the developer. These models were then hand-executed.

  19. Natural acetabular orientation in arthritic hips

    PubMed Central

    Goudie, S. T.; Deakin, A. H.; Deep, K.

    2015-01-01

    Objectives Acetabular component orientation in total hip arthroplasty (THA) influences results. Intra-operatively, the natural arthritic acetabulum is often used as a reference to position the acetabular component. Detailed information regarding its orientation is therefore essential. The aim of this study was to identify the acetabular inclination and anteversion in arthritic hips. Methods Acetabular inclination and anteversion in 65 symptomatic arthritic hips requiring THA were measured using a computer navigation system. All patients were Caucasian with primary osteoarthritis (29 men, 36 women). The mean age was 68 years (SD 8). Mean inclination was 50.5° (SD 7.8) in men and 52.1° (SD 6.7) in women. Mean anteversion was 8.3° (SD 8.7) in men and 14.4° (SD 11.6) in women. Results The difference between men and women in terms of anteversion was significant (p = 0.022). In 75% of hips, the natural orientation was outside the safe zone described by Lewinnek et al (anteversion 15° ± 10°; inclination 40° ± 10°). Conclusion When using the natural acetabular orientation to guide component placement, it is important to be aware of the differences between men and women, and that in up to 75% of hips natural orientation may be out of what many consider to be a safe zone. Cite this article: Bone Joint Res 2015;4:6–10. PMID:25628463

  20. Object-oriented Technology for Compressor Simulation

    NASA Technical Reports Server (NTRS)

    Drummond, C. K.; Follen, G. J.; Cannon, M. R.

    1994-01-01

    An object-oriented basis for interdisciplinary compressor simulation can, in principle, overcome several barriers associated with the traditional structured (procedural) development approach. This paper presents the results of a research effort with the objective to explore the repercussions on design, analysis, and implementation of a compressor model in an object oriented (OO) language, and to examine the ability of the OO system design to accommodate computational fluid dynamics (CFD) code for compressor performance prediction. Three fundamental results are that: (1) the selection of the object oriented language is not the central issue; enhanced (interdisciplinary) analysis capability derives from a broader focus on object-oriented technology; (2) object-oriented designs will produce more effective and reusable computer programs when the technology is applied to issues involving complex system inter-relationships (more so than when addressing the complex physics of an isolated discipline); and (3) the concept of disposable prototypes is effective for exploratory research programs, but this requires organizations to have a commensurate long-term perspective. This work also suggests that interdisciplinary simulation can be effectively accomplished (over several levels of fidelity) with a mixed language treatment (i.e., FORTRAN-C++), reinforcing the notion the OO technology implementation into simulations is a 'journey' in which the syntax can, by design, continuously evolve.

  1. A novel orientation code for face recognition

    NASA Astrophysics Data System (ADS)

    Zheng, Yufeng

    2011-06-01

    A novel orientation code is proposed for face recognition applications in this paper. Gabor wavelet transform is a common tool for orientation analysis in a 2D image; whereas Hamming distance is an efficient distance measurement for multiple classifications such as face identification. Specifically, at each frequency band, an index number representing the strongest orientational response is selected, and then encoded in binary format to favor the Hamming distance calculation. Multiple-band orientation codes are then organized into a face pattern byte (FPB) by using order statistics. With the FPB, Hamming distances are calculated and compared to achieve face identification. The FPB has the dimensionality of 8 bits per pixel and its performance will be compared to that of FPW (face pattern word, 32 bits per pixel). The dimensionality of FPB can be further reduced down to 4 bits per pixel, called face pattern nibble (FPN). Experimental results with visible and thermal face databases show that the proposed orientation code for face recognition is very promising in contrast with classical methods such as PCA.

  2. Orientational transitions in antiferromagnetic liquid crystals

    NASA Astrophysics Data System (ADS)

    Zakhlevnykh, A. N.; Petrov, D. A.

    2016-09-01

    The orientational phases in an antiferromagnetic liquid crystal (ferronematic) based on the nematic liquid crystal with the negative anisotropy of diamagnetic susceptibility are studied in the framework of the continuum theory. The ferronematic was assumed to be compensated; i.e., in zero field, impurity ferroparticles with the magnetic moments directed parallel and antiparallel to the director are equiprobably distributed in it. It is established that under the action of a magnetic field the ferronematic undergoes orientational transitions compensated (antiferromagnetic) phase-non-uniform phase-saturation (ferrimagnetic) phase. The analytical expressions for threshold fields of the transitions as functions of material parameters are obtained. It is shown that with increasing magnetic impurity segregation parameter, the threshold fields of the transitions significantly decrease. The bifurcation diagram of the ferronematic orientational phases is built in terms of the energy of anchoring of magnetic particles with the liquid-crystal matrix and magnetic field. It is established that the Freedericksz transition is the second-order phase transition, while the transition to the saturation state can be second- or first-order. In the latter case, the suspension exhibits orientational bistability. The orientational and magnetooptical properties of the ferronematic in different applied magnetic fields are studied.

  3. Orienting attention to instants in time.

    PubMed

    Nobre, A C

    2001-01-01

    My colleagues and I have investigated whether the temporal framework can be used to guide selective attention, and have applied non-invasive methodology to reveal the brain systems and mechanisms involved. Our findings show that we are able to orient attention selectively to different points in time, enhancing behavioral performance. These effects are mediated by a left-hemisphere dominant parietal-frontal system, which partially overlaps with the networks involved in spatial orienting. The neural system for temporal orienting also includes brain areas associated with motor preparation and anticipation, suggesting that sensorimotor areas with different specializations can contribute to attentional orienting depending on the stimulus attributes guiding selection. The optimization of behavior by temporal orienting involves enhancement of the latency and amplitude of event-related potentials that are associated with motor responses and decisions. The effects are distinct from those during visual spatial attention, indicating that behavioral advantages can be conferred by multiple types of neural mechanisms. Taken together, the findings illustrate the flexibility of attentional functions in the human brain. PMID:11566314

  4. Distinctive characteristics of sexual orientation bias crimes.

    PubMed

    Stacey, Michele

    2011-10-01

    Despite increased attention in the area of hate crime research in the past 20 years, sexual orientation bias crimes have rarely been singled out for study. When these types of crimes are looked at, the studies are typically descriptive in nature. This article seeks to increase our knowledge of sexual orientation bias by answering the question: What are the differences between sexual orientation motivated bias crimes and racial bias crimes? This question is examined using data from the National Incident Based Reporting System (NIBRS) and multiple regression techniques. This analysis draws on the strengths of NIBRS to look at the incident characteristics of hate crimes and distinguishing characteristics of sexual orientation crimes. Specifically this analysis looks at the types and seriousness of offenses motivated by sexual orientation bias as opposed to race bias as well as victim and offender characteristics. The findings suggest that there are differences between these two types of bias crimes, suggesting a need for further separation of the bias types in policy and research.

  5. Long range position and orientation tracking system

    SciTech Connect

    Armstrong, G.A.; Jansen, J.F.; Burks, B.L.; Bernacki, B.E.; Nypaver, D.J.

    1995-12-31

    The long range position and orientation tracking system (LRPOTS) will consist of two measurement pods, a VME-based computer system, and a detector array. The system is used to measure the position and orientation of a target that may be attached to a robotic arm, teleoperated manipulator, or autonomous vehicle. The pods have been designed to be mounted in the man-ways of the domes of the Fernald K-65 waste silos. Each pod has two laser scanner subsystems as well as lights and camera systems. One of the laser scanners will be oriented to scan in the pan direction, the other in the tilt direction. As the lasers scan across the detector array, the angles of incidence with each detector are recorded. Combining measurements from each of the four lasers yields sufficient data for a closed-form solution of the transform describing the location and orientation of the Content Mobilization System (CMS). Redundant detectors will be placed on the CMS to accommodate occlusions, to provide improved measurement accuracy, and to determine the CMS orientation.

  6. An Orientation Distribution Function for Trabecular Bone

    SciTech Connect

    Lawrence Livermore National Laboratory

    2004-10-08

    We describe a new method for quantifying the orientation of trabecular bone from three-dimensional images. Trabecular lattices from five human vertebrae were decomposed into individual trabecular elements, and the orientation, mass, and thickness of each element were recorded. Continuous functions that described the total mass (M({var_phi},{theta})) and mean thickness ({tau}({var_phi},{theta})) of all trabeculae as a function of orientation were derived. The results were compared with experimental measurements of the elastic modulus in the three principal anatomic directions. A power law scaling relationship between the anisotropies in mass and elastic modulus was observed; the scaling exponent was 1.41 (R{sup 2} = 0.88). As expected, the preponderance of trabecular mass was oriented along the cranial-caudal direction; on average, there was 3.4 times more mass oriented vertically than horizontally. Moreover, the vertical trabeculae were 30% thicker, on average, than the horizontal trabeculae. The vertical trabecular thickness was inversely related to the connectivity (R{sup 2} = 0.70; p = 0.07), suggesting a possible organization into either few, thick trabeculae or many thin trabeculae. The method, which accounts for the mechanical connectedness of the lattice, provides a rapid way to both visualize and quantify the three-dimensional organization of trabecular bone.

  7. Fluorescence depolarization measurements on oriented membranes.

    PubMed Central

    Adler, M; Tritton, T R

    1988-01-01

    We describe the theory and experimental application of fluorescence depolarization measurements on small molecules bound to oriented phospholipid bilayers. The results yield insight into both the orientation and the rotational motion of fluorophores in a membrane environment. To accomplish this the angular distribution of polarized fluorescence intensities is measured on a membrane preparation consisting of stacked phospholipid bilayers oriented in a known coordinate system. Considerably more information is available from this data than in comparable solution phase measurements. Three parameters are derived from the data: the rate of rotational diffusion and the second and fourth degree order parameters. These latter two parameters provide an assessment of the average distribution of fluorophore orientation in the membrane bilayer. The data have been carefully examined for systematic experimental artifacts and new protocols are presented which help to eliminate errors that have not been amply treated in the past. We present data for two types of fluorescent molecules: (a) conventional membrane probes like diphenylhexatriene, perylene and anthroyloxy fatty acids; and (b) the anticancer agent adriamycin and several congeneric anthracycline antibiotics. The results show that the hydrocarbon core of membranes is more rigid than previously thought, particularly above the thermal phase transition temperature. We also show that the orientation of small molecules is sensitive to both the phospholipid composition and to the interaction of specific functional groups with the lipid bilayer. The results are discussed in terms of energetic models describing the general patterns for the binding of small molecules to biological membranes. Images FIGURE 1 PMID:3165033

  8. Complex and oriented ZnO nanostructures

    NASA Astrophysics Data System (ADS)

    Tian, Zhengrong R.; Voigt, James A.; Liu, Jun; McKenzie, Bonnie; McDermott, Matthew J.; Rodriguez, Mark A.; Konishi, Hiromi; Xu, Huifang

    2003-12-01

    Extended and oriented nanostructures are desirable for many applications, but direct fabrication of complex nanostructures with controlled crystalline morphology, orientation and surface architectures remains a significant challenge. Here we report a low-temperature, environmentally benign, solution-based approach for the preparation of complex and oriented ZnO nanostructures, and the systematic modification of their crystal morphology. Using controlled seeded growth and citrate anions that selectively adsorb on ZnO basal planes as the structure-directing agent, we prepared large arrays of oriented ZnO nanorods with controlled aspect ratios, complex film morphologies made of oriented nanocolumns and nanoplates (remarkably similar to biomineral structures in red abalone shells) and complex bilayers showing in situ column-to-rod morphological transitions. The advantages of some of these ZnO structures for photocatalytic decompositions of volatile organic compounds were demonstrated. The novel ZnO nanostructures are expected to have great potential for sensing, catalysis, optical emission, piezoelectric transduction, and actuations.

  9. Contour-based object orientation estimation

    NASA Astrophysics Data System (ADS)

    Alpatov, Boris; Babayan, Pavel

    2016-04-01

    Real-time object orientation estimation is an actual problem of computer vision nowadays. In this paper we propose an approach to estimate an orientation of objects lacking axial symmetry. Proposed algorithm is intended to estimate orientation of a specific known 3D object, so 3D model is required for learning. The proposed orientation estimation algorithm consists of 2 stages: learning and estimation. Learning stage is devoted to the exploring of studied object. Using 3D model we can gather set of training images by capturing 3D model from viewpoints evenly distributed on a sphere. Sphere points distribution is made by the geosphere principle. It minimizes the training image set. Gathered training image set is used for calculating descriptors, which will be used in the estimation stage of the algorithm. The estimation stage is focusing on matching process between an observed image descriptor and the training image descriptors. The experimental research was performed using a set of images of Airbus A380. The proposed orientation estimation algorithm showed good accuracy (mean error value less than 6°) in all case studies. The real-time performance of the algorithm was also demonstrated.

  10. System engineering toolbox for design-oriented engineers

    NASA Technical Reports Server (NTRS)

    Goldberg, B. E.; Everhart, K.; Stevens, R.; Babbitt, N., III; Clemens, P.; Stout, L.

    1994-01-01

    This system engineering toolbox is designed to provide tools and methodologies to the design-oriented systems engineer. A tool is defined as a set of procedures to accomplish a specific function. A methodology is defined as a collection of tools, rules, and postulates to accomplish a purpose. For each concept addressed in the toolbox, the following information is provided: (1) description, (2) application, (3) procedures, (4) examples, if practical, (5) advantages, (6) limitations, and (7) bibliography and/or references. The scope of the document includes concept development tools, system safety and reliability tools, design-related analytical tools, graphical data interpretation tools, a brief description of common statistical tools and methodologies, so-called total quality management tools, and trend analysis tools. Both relationship to project phase and primary functional usage of the tools are also delineated. The toolbox also includes a case study for illustrative purposes. Fifty-five tools are delineated in the text.

  11. Embedding CLIPS in a database-oriented diagnostic system

    NASA Technical Reports Server (NTRS)

    Conway, Tim

    1990-01-01

    This paper describes the integration of C Language Production Systems (CLIPS) into a powerful portable maintenance aid (PMA) system used for flightline diagnostics. The current diagnostic target of the system is the Garrett GTCP85-180L, a gas turbine engine used as an Auxiliary Power Unit (APU) on some C-130 military transport aircraft. This project is a database oriented approach to a generic diagnostic system. CLIPS is used for 'many-to-many' pattern matching within the diagnostics process. Patterns are stored in database format, and CLIPS code is generated by a 'compilation' process on the database. Multiple CLIPS rule sets and working memories (in sequence) are supported and communication between the rule sets is achieved via the export and import commands. Work is continuing on using CLIPS in other portions of the diagnostic system and in re-implementing the diagnostic system in the Ada language.

  12. OJPOT: online judge & practice oriented teaching idea in programming courses

    NASA Astrophysics Data System (ADS)

    Wang, Gui Ping; Chen, Shu Yu; Yang, Xin; Feng, Rui

    2016-05-01

    Practical abilities are important for students from majors including Computer Science and Engineering, and Electrical Engineering. Along with the popularity of ACM International Collegiate Programming Contest (ACM/ICPC) and other programming contests, online judge (OJ) websites achieve rapid development, thus providing a new kind of programming practice, i.e. online practice. Due to fair and timely feedback results from OJ websites, online practice outperforms traditional programming practice. In order to promote students' practical abilities in programming and algorithm designing, this article presents a novel teaching idea, online judge & practice oriented teaching (OJPOT). OJPOT is applied to Programming Foundation course. OJPOT cultivates students' practical abilities through various kinds of programming practice, such as programming contests, online practice and course project. To verify the effectiveness of this novel teaching idea, this study conducts empirical research. The experimental results show that OJPOT works effectively in enhancing students' practical abilities compared with the traditional teaching idea.

  13. Automated quantification of neurite outgrowth orientation distributions on patterned surfaces

    NASA Astrophysics Data System (ADS)

    Payne, Matthew; Wang, Dadong; Sinclair, Catriona M.; Kapsa, Robert M. I.; Quigley, Anita F.; Wallace, Gordon G.; Razal, Joselito M.; Baughman, Ray H.; Münch, Gerald; Vallotton, Pascal

    2014-08-01

    Objective. We have developed an image analysis methodology for quantifying the anisotropy of neuronal projections on patterned substrates. Approach. Our method is based on the fitting of smoothing splines to the digital traces produced using a non-maximum suppression technique. This enables precise estimates of the local tangents uniformly along the neurite length, and leads to unbiased orientation distributions suitable for objectively assessing the anisotropy induced by tailored surfaces. Main results. In our application, we demonstrate that carbon nanotubes arrayed in parallel bundles over gold surfaces induce a considerable neurite anisotropy; a result which is relevant for regenerative medicine. Significance. Our pipeline is generally applicable to the study of fibrous materials on 2D surfaces and should also find applications in the study of DNA, microtubules, and other polymeric materials.

  14. Astronomical and Topographical Orientation of Kreisgrabenanlagen in Lower Austria

    NASA Astrophysics Data System (ADS)

    Zotti, Georg; Neubauer, Wolfgang

    2015-05-01

    Kreisgrabenanlagen, monumental Neolithic circular enclosures, have been recorded in many places in central Europe. Some of them have been described as having entrances pointing to solar- or lunar-related declinations (e.g., solstices, lunistices). Over 40 KGAs have been found in Lower Austria, and the current ASTROSIM project investigates their potential astronomical use. Horizon data surveyed in the field are combined with previous results from geomagnetic prospection on a digital elevation model, and the reconstructed three-dimensional sceneries and virtual models can then be investigated for their astronomical potential. In contrast to a promising overview study, results for the Lower Austrian KGA are rather sobering in general, but there are a few solar-oriented entrances which can be demonstrated with newly-developed software.

  15. Analysis of explosive damage in metals using orientation imaging microscopy.

    PubMed

    Chumbley, L Scott; Laabs, Fran C

    2005-01-01

    The goal of this project was to determine whether quantitative information concerning the size and nature of an explosive blast could be determined using Orientation Imaging Microscopy (OIM) to analyze the texture of blast-affected metal. Selected 1018 steel and 2024 aluminum samples were subjected to various explosive blasts chosen to simulate a wide range of possible pressure waves. The explosives used were PBX 9404, Comp-C4, Gelmax, and Bullseye. The explosive tests were carried out at Sandia National Laboratory, and the OIM analysis was conducted at Ames Laboratory. It was discovered that while suitable patterns could be obtained from the steel samples, the oxide layer present on the surface of the aluminum samples prevented these samples from being studied. The results of the OIM studies on the steel samples indicate that damage can be tracked using OIM imaging and that Comp-C4 seems to produce patterns significantly different than the other explosives. PMID:15831003

  16. An object oriented fully 3D tomography visual toolkit.

    PubMed

    Agostinelli, S; Paoli, G

    2001-04-01

    In this paper we present a modern object oriented component object model (COMM) C + + toolkit dedicated to fully 3D cone-beam tomography. The toolkit allows the display and visual manipulation of analytical phantoms, projection sets and volumetric data through a standard Windows graphical user interface. Data input/output is performed using proprietary file formats but import/export of industry standard file formats, including raw binary, Windows bitmap and AVI, ACR/NEMA DICOMM 3 and NCSA HDF is available. At the time of writing built-in implemented data manipulators include a basic phantom ray-tracer and a Matrox Genesis frame grabbing facility. A COMM plug-in interface is provided for user-defined custom backprojector algorithms: a simple Feldkamp ActiveX control, including source code, is provided as an example; our fast Feldkamp plug-in is also available.

  17. Maximum Capital Project Management.

    ERIC Educational Resources Information Center

    Adams, Matt

    2002-01-01

    Describes the stages of capital project planning and development: (1) individual capital project submission; (2) capital project proposal assessment; (3) executive committee; and (4) capital project execution. (EV)

  18. DOE Energy Challenge Project

    SciTech Connect

    Frank Murray; Michael Schaepe

    2009-04-24

    Project Objectives: 1. Promote energy efficiency concepts in undergraduate and graduate education. 2. Stimulate and interest in pulp and paper industrial processes, which promote and encourage activities in the area of manufacturing design efficiency. 3. Attract both industrial and media attention. Background and executive Summary: In 1997, the Institute of Paper Science and Technology in conjunction with the U.S. Department of Energy developed a university design competition with an orientation to the Forest Products Industry. This university design competition is in direct alignment with DOE’s interests in instilling in undergraduate education the concepts of developing energy efficient processes, minimizing waste, and providing environmental benefits and in maintaining and enhancing the economic competitiveness of the U.S. forest products industry in a global environment. The primary focus of the competition is projects, which are aligned with the existing DOE Agenda 2020 program for the industry and the lines of research being established with the colleges comprising the Pulp and Paper Education and Research Alliance (PPERA). The six design competitions were held annually for the period 1999 through 2004.

  19. The Importance of Process-Oriented Accessibility Guidelines for Web Developers.

    PubMed

    Steen-Hansen, Linn; Fagernes, Siri

    2016-01-01

    Current accessibility research shows that in the web development, the process itself may lead to inaccessible web sites and applications. Common practices typically do not allow sufficient testing. The focus is mainly on complying with minimum standards, and treating accessibility compliance as a sort of bug-fixing process, missing the user perspective. In addition, there is an alarming lack of knowledge and experience with accessibility issues. It has also been argued that bringing accessibility into the development process at all stages is the only way to achieve the highest possible level of accessibility. The work presented in this paper is based on a previous project focusing on guidelines for developing accessible rich Internet applications. The guidelines were classified as either process-oriented or technology-oriented. In this paper, we examine the process-oriented guidelines and give a practical perspective on how these guidelines will make the development process more accessibility-friendly. PMID:27534339

  20. Physical association between a novel plasma-membrane structure and centrosome orients cell division.

    PubMed

    Negishi, Takefumi; Miyazaki, Naoyuki; Murata, Kazuyoshi; Yasuo, Hitoyoshi; Ueno, Naoto

    2016-01-01

    In the last mitotic division of the epidermal lineage in the ascidian embryo, the cells divide stereotypically along the anterior-posterior axis. During interphase, we found that a unique membrane structure invaginates from the posterior to the centre of the cell, in a microtubule-dependent manner. The invagination projects toward centrioles on the apical side of the nucleus and associates with one of them. Further, a cilium forms on the posterior side of the cell and its basal body remains associated with the invagination. A laser ablation experiment suggests that the invagination is under tensile force and promotes the posterior positioning of the centrosome. Finally, we showed that the orientation of the invaginations is coupled with the polarized dynamics of centrosome movements and the orientation of cell division. Based on these findings, we propose a model whereby this novel membrane structure orchestrates centrosome positioning and thus the orientation of cell division axis. PMID:27502556

  1. Image-based estimation of ventricular fiber orientations for patient-specific simulations.

    PubMed

    Vadakkumpadan, Fijoy; Arevalo, Hermenegild; Ceritoglu, Can; Miller, Michael; Trayanova, Natalia

    2011-01-01

    Patient-specific simulation of heart (dys)function aimed at personalizing cardiac therapy are hampered by the absence of in vivo imaging technology for clinically acquiring myocardial fiber orientations. In this research, we develop a methodology to predict ventricular fiber orientations of a patient heart, given the geometry of the heart and an atlas. We test the methodology by comparing the estimated fiber orientations with measured ones, and by quantifying the effect of the estimation error on outcomes of electrophysiological simulations, in normal and failing canine hearts. The new insights obtained from the project will pave the way for the development of patient-specific models of the heart that can aid physicians in personalized diagnosis and decisions regarding electrophysiological interventions. PMID:22254646

  2. Physical association between a novel plasma-membrane structure and centrosome orients cell division.

    PubMed

    Negishi, Takefumi; Miyazaki, Naoyuki; Murata, Kazuyoshi; Yasuo, Hitoyoshi; Ueno, Naoto

    2016-08-09

    In the last mitotic division of the epidermal lineage in the ascidian embryo, the cells divide stereotypically along the anterior-posterior axis. During interphase, we found that a unique membrane structure invaginates from the posterior to the centre of the cell, in a microtubule-dependent manner. The invagination projects toward centrioles on the apical side of the nucleus and associates with one of them. Further, a cilium forms on the posterior side of the cell and its basal body remains associated with the invagination. A laser ablation experiment suggests that the invagination is under tensile force and promotes the posterior positioning of the centrosome. Finally, we showed that the orientation of the invaginations is coupled with the polarized dynamics of centrosome movements and the orientation of cell division. Based on these findings, we propose a model whereby this novel membrane structure orchestrates centrosome positioning and thus the orientation of cell division axis.

  3. ECUT: Energy Conversion and Utilization Technologies program. Biocatalysis project

    NASA Technical Reports Server (NTRS)

    1990-01-01

    The Biocatalysis Project is a mission-oriented, applied research and exploratory development activity directed toward resolution of the major generic technical barriers that impede the development of biologically catalyzed commercial chemical production. The approach toward achieving project objectives involves an integrated participation of Universities, Industrial Companies and Government Research Laboratories. The Project's technical activities were organized into three work elements: molecular modeling and applied genetics; bioprocess engineering; and bioprocess design and assessment.

  4. Personality Patterns of Physicians in Person-Oriented and Technique-Oriented Specialties

    ERIC Educational Resources Information Center

    Borges, Nicole J.; Gibson, Denise D.

    2005-01-01

    This study investigated differences in personality patterns between person-oriented and technique-oriented physicians. It tested an integrative framework by converting the scores on the Personality Research Form (PRF) to the Big-Five factors and built a predictive model of group membership in clinical specialty area. PRF scores from 238 physicians…

  5. Co-Orientation: Quantifying Simultaneous Co-Localization and Orientational Alignment of Filaments in Light Microscopy.

    PubMed

    Nieuwenhuizen, Robert P J; Nahidiazar, Leila; Manders, Erik M M; Jalink, Kees; Stallinga, Sjoerd; Rieger, Bernd

    2015-01-01

    Co-localization analysis is a widely used tool to seek evidence for functional interactions between molecules in different color channels in microscopic images. Here we extend the basic co-localization analysis by including the orientations of the structures on which the molecules reside. We refer to the combination of co-localization of molecules and orientational alignment of the structures on which they reside as co-orientation. Because the orientation varies with the length scale at which it is evaluated, we consider this scale as a separate informative dimension in the analysis. Additionally we introduce a data driven method for testing the statistical significance of the co-orientation and provide a method for visualizing the local co-orientation strength in images. We demonstrate our methods on simulated localization microscopy data of filamentous structures, as well as experimental images of similar structures acquired with localization microscopy in different color channels. We also show that in cultured primary HUVEC endothelial cells, filaments of the intermediate filament vimentin run close to and parallel with microtubuli. In contrast, no co-orientation was found between keratin and actin filaments. Co-orientation between vimentin and tubulin was also observed in an endothelial cell line, albeit to a lesser extent, but not in 3T3 fibroblasts. These data therefore suggest that microtubuli functionally interact with the vimentin network in a cell-type specific manner.

  6. Summer Principals'/Directors' Orientation Training Module.

    ERIC Educational Resources Information Center

    Mata, Robert L.; Garcia, Richard L.

    Intended to provide current or potential project principals/directors with the basic knowledge, skills, abilities, and sensitivities needed to manage a summer migrant school project in the local educational setting, this module provides instruction in the project management areas of planning, preparation, control, and termination. The module…

  7. SCOS 2: An object oriented software development approach

    NASA Technical Reports Server (NTRS)

    Symonds, Martin; Lynenskjold, Steen; Mueller, Christian

    1994-01-01

    The Spacecraft Control and Operations System 2 (SCOS 2), is intended to provide the generic mission control system infrastructure for future ESA missions. It represents a bold step forward in order to take advantage of state-of-the-art technology and current practices in the area of software engineering. Key features include: (1) use of object oriented analysis and design techniques; (2) use of UNIX, C++ and a distributed architecture as the enabling implementation technology; (3) goal of re-use for development, maintenance and mission specific software implementation; and (4) introduction of the concept of a spacecraft control model. This paper touches upon some of the traditional beliefs surrounding Object Oriented development and describes their relevance to SCOS 2. It gives rationale for why particular approaches were adopted and others not, and describes the impact of these decisions. The development approach followed is discussed, highlighting the evolutionary nature of the overall process and the iterative nature of the various tasks carried out. The emphasis of this paper is on the process of the development with the following being covered: (1) the three phases of the SCOS 2 project - prototyping & analysis, design & implementation and configuration / delivery of mission specific systems; (2) the close cooperation and continual interaction with the users during the development; (3) the management approach - the split between client staff, industry and some of the required project management activities; (4) the lifecycle adopted being an enhancement of the ESA PSS-05 standard with SCOS 2 specific activities and approaches defined; and (5) an examination of some of the difficulties encountered and the solutions adopted. Finally, the lessons learned from the SCOS 2 experience are highlighted, identifying those issues to be used as feedback into future developments of this nature. This paper does not intend to describe the finished product and its operation

  8. Archaeoastronomy and the orientation of old churches

    NASA Astrophysics Data System (ADS)

    Gangui, A.

    2016-08-01

    Cultural astronomy is an interdisciplinary area of research that studies how perceptions and concepts related to the sky are part of the worldview of a culture. One of its branches, archaeoastronomy, focuses on the material remains of past peoples and tries to investigate their practices and astronomical knowledge. In this context, the orientation of Christian churches is now considered a distinctive feature of their architecture that repeats patterns from early Christian times. There is a general tendency to align their altars in the solar range, with preference for orientations towards the east. Here we present recent data from our measurements of astronomical orientations of old churches located in two --geographically and culturally-- very distant regions, and we discuss the results in the light of the historical and cultural knowledge surrounding these temples.

  9. Human spatial orientation in the pitch dimension

    NASA Technical Reports Server (NTRS)

    Cohen, M. M.; Larson, C. A.

    1974-01-01

    Two experiments were conducted. In Experiment I, each of eight Ss attempted to place himself at 13 different goal orientations between prone and supine. Deviations of achieved body pitch angles from goal orientations were determined. In Experiment II, each of eight Ss attempted to align a visual target with his morphological horizon while he was placed at each of the 13 goal orientations. Changes in settings of the target were examined. Results indicate that Ss underestimate body pitch when they are tilted less than 60 deg backward or forward from the vertical, overestimate body pitch when they are nearly prone, and accurately estimate body pitch when they are nearly supine. In contrast, Ss set the visual target maximally above the morphological horizon when they are tilted 30 deg forward from the vertical. The findings are discussed in terms of common and different physiological mechanism that may underlie judgments of these types.

  10. Preferred orientation of ettringite in concrete fractures

    SciTech Connect

    Wenk, Hans-Rudolf; Monteiro, Paulo J.M.; Kunz, Martin; Chen, Kai; Tamura, Nobumichi; Lutterotti, Luca; Delacroz, John

    2009-01-31

    Sulfate attack and the accompanying crystallization of fibrous ettringite [Ca{sub 6}Al{sub 2}(OH){sub 12}(SO{sub 4}){sub 3} {center_dot} 26H{sub 2}O] cause cracking and loss of strength in concrete structures. Hard synchrotron X-ray microdiffraction is used to quantify the orientation distribution of ettringite crystals. Diffraction images are analyzed using the Rietveld method to obtain information on textures. The analysis reveals that the c axes of the trigonal crystallites are preferentially oriented perpendicular to the fracture surfaces. By averaging single-crystal elastic properties over the orientation distribution, it is possible to estimate the elastic anisotropy of ettringite aggregates.

  11. Effect of context on performance approach orientation.

    PubMed

    Izadikhah, Zahra; Jackson, Chris; Ireland, Michael J

    2012-01-01

    We proposed and tested a theoretical model that argues that different work contexts influence the relationship between performance approach orientation and work performance. Across three studies and three different types of work performance, results consistently supported a theorized interaction between performance approach orientation and rewarding climate. Two self-rating studies showed generally similar interactions, with some important differences in the significance of the simple slopes. Larger differences emerged between the self-rating and a supervisor rating study. The present research supports a model in which type of work (part time vs. full time), rewarding climate, the criterion of performance (supervisor vs. self-rating), and type of work performance are important contextual components of a model relating performance approach orientation to work performance. PMID:22774682

  12. Object-oriented layers in ELIST.

    SciTech Connect

    Widing, M. A.; Simunich, K. L.; Blachowicz, D.; Braun, M.; VanGroningen, C.; Decision and Information Sciences

    2004-01-01

    Planning for the transportation of large amounts of equipment, troops, and supplies presents a complex problem for military analysts. Software tools are critical in defining and analyzing these plans. Argonne National Laboratory developed the Enhanced Logistics Intra-theater Support Tool (ELIST) to assist military planners in determining the logistical feasibility of an intra-theater course of action. This article focuses on the object-oriented design strategies we used in developing the latest version of this successful system. Details of the specific military, logistical algorithms that were implemented can be found in other sources. In developing large, complex software systems, object-oriented programming techniques can provide many benefits. In addition to using an object-oriented language developers should also employ other techniques such as layers to fully obtain these benefits. This article discusses several of these design details that were used in developing a military logistics system called ELIST.

  13. Compulsive heroin use and interpersonal orientation.

    PubMed

    Saxon, S; Blaine, J D; Dennett, C P

    1978-04-01

    This research attempt to clarify and quantify the ways in which heroin addicts deal with interpersonal relations. A sample of heroin addicts on a methadone maintenance program were given the Fundamental Interpersonal Relations Orientation-Behavior (FIRO-B) scale. An accidental sample consisted of 35, approximately one-half, of the clinic's population. A mean interpersonal orientation profile is established and interpreted. An analysis of variance was performed for each of the six FIRO-B scores. Patients needs based on FIRO-B scores are discussed with regard to the descriptions of addicts life-styles as described in the literature. The possible etiological basis for these interpersoanl orientations is also discussed. Several therapeutic approaches, as indicated by FIRO-B scores, are explored.

  14. Implications of Orientation in Sheared Cocoa Butter

    NASA Astrophysics Data System (ADS)

    Guthrie, Sarah E.; Mazzanti, Gianfranco; Marangoni, Alejandro; Idziak, Stefan H. J.

    2004-03-01

    We will present x-ray and mechanical studies of oriented phases of cocoa butter. The structural elements of foods play an important role in determining such things as quality and shelf stability. The specific structure and properties of cocoa butter, however, are complicated due to the ability of the cocoa butter to form crystals in six polymorphic forms. Recent work has shown that the application of shear not only accelerates the transitions to more stable polymorphs, but also causes orientation of the crystallites[1]. The implications of orientation on the structures formed under conditions of shear and cooling will be described using x-ray diffraction and mechanical measurements. 1 G. Mazzanti, S. E. Guthrie, E. B. Sirota et al., Crystal Growth & Design 3 (5), 721 (2003).

  15. Object-oriented framework for distributed simulation

    NASA Astrophysics Data System (ADS)

    Hunter, Julia; Carson, John A.; Colley, Martin; Standeven, John; Callaghan, Victor

    1999-06-01

    The benefits of object-oriented technology are widely recognized in software engineering. This paper describes the use of the object-oriented paradigm to create distributed simulations. The University of Essex Robotics and Intelligent Machines group has been carrying out research into distributed vehicle simulation since 1992. Part of this research has focused on the development of simulation systems to assist in the design of robotic vehicles. This paper describes the evolution of these systems, from an early toolkit used for teaching robotics to recent work on using simulation as a design tool in the creation of a new generation of unmanned underwater vehicles. It outlines experiences gained in using PVM, and ongoing research into the use of the emerging High Level Architecture as the basis for these frameworks. The paper concludes with the perceived benefits of adopting object-oriented methodologies as the basis for simulation frameworks.

  16. Care: from theory to orientation and back.

    PubMed

    Little, M O

    1998-04-01

    In this paper, I urge that the very real lessons Carol Gilligan's work in moral psychology offer to moral philosophy can best be appreciated if we take seriously the gap between the two disciplines. The care and justice perspectives Gilligan explores are psychological orientations, and orientations are defined as much by matters of emphasis, selectivity of interpretation, and gestalt as they are by propositional commitment. As such, I argue, their contribution to moral theory is best seen as stances from which to do theory, rather than as constituting ready-made theories themselves. In pursuing this train of thought, I examine how Gilligan's work has developed over time and how, in the end, we should understand the juxtaposition between the two orientations.

  17. Orientation Studies of Recrystallized Vanadium Dioxide

    NASA Astrophysics Data System (ADS)

    Rivera, Felipe; Clemens, Mike; Burk, Laurel; Davis, Robert; Vanfleet, Richard

    2007-03-01

    Crystalline films and isolated vanadium dioxide particles were obtained through thermal annealing of amorphous vanadium dioxide thin films on silicon dioxide. Vanadium dioxide undergoes an insulator to metal transition near 66 ^oC. Orientation Imaging Microscopy (OIM) was used to study the phase and orientation of the crystals formed, as well as to differentiate from different vanadium oxide crystal structures. Kikuchi patterns for the tetragonal phase of vanadium dioxide were used for indexing as the Kikuchi patterns for the two phases are indistinguishable by OIM. There is a preferred orientation for the growth of these crystals with the c axis of the tetragonal phase parallel to the plane of the specimen. Resistance and Capacitance measurements on these films are being performed to study the electronic chracteristics of this phase transition. The results of this study will be presented.

  18. Orientation Studies of Recrystallized Vanadium Dioxide

    NASA Astrophysics Data System (ADS)

    Rivera, Felipe; Burk, Laurel; Davis, Robert; Vanfleet, Richard

    2006-10-01

    Crystalline films and isolated vanadium dioxide particles (up to 700nm in diameter) were obtained through thermal annealing of amorphous vanadium dioxide thin films on silicon dioxide. Vanadium dioxide undergoes a metal to insulator transition changing from a monoclinic to tetragonal phase near 66 ^o C. Orientation Imaging Microscopy (OIM) was used to study the phase and orientation of the crystals formed, as well as to differentiate from different vanadium oxide crystal structures. Kikuchi patterns for the tetragonal phase of vanadium dioxide were used for indexing as the Kikuchi patterns for the monoclinic phase are indistinguishable, by OIM, from those of the tetragonal phase. There is a preferred orientation for the growth of these crystals with the c axis in the plane of the specimen.

  19. Porous Materials Reinforced by Statistically Oriented Fibres

    NASA Astrophysics Data System (ADS)

    Federico, Salvatore; Grillo, Alfio

    2010-09-01

    Hydrated soft biological tissues, such as articular cartilage, are well represented by a porous matrix saturated by a fluid and reinforced by a network of statistically oriented, impermeable collagen fibres. A previously developed homogenisation method for porous fibre-reinforced materials with an isotropic matrix, under small deformations, was capable of correctly predicting some specific aspects of the anisotropy and inhomogeneity of the permeability in the tissue. The aim of this work is to generalise this model to the case of large deformations. This is achieved by means of a rescaled pull-back of the structure tensor describing fibre orientation, and directional averaging methods allowing to account for the statistical distribution of the orientation. The resulting permeability tensor contains an integral term that must be implemented numerically, because of the explicit presence of the deformation in the integrand function.

  20. Heritable factors influence sexual orientation in women.

    PubMed

    Bailey, J M; Pillard, R C; Neale, M C; Agyei, Y

    1993-03-01

    Homosexual female probands with monozygotic cotwins, dizygotic cotwins, or adoptive sisters were recruited using homophile publications. Sexual orientation of relatives was assessed either by asking relatives directly, or, when this was impossible, by asking the probands. Of the relatives whose sexual orientation could be confidently rated, 34 (48%) of 71 monozygotic cotwins, six (16%) of 37 dizygotic cotwins, and two (6%) of 35 adoptive sisters were homosexual. Probands also reported 10 (14%) nontwin biologic sisters to be homosexual, although those sisters were not contacted to confirm their orientations. Heritabilities were significant using a wide range of assumptions about both the base rate of homosexuality in the population and ascertainment bias. The likelihood that a monozygotic cotwin would also be homosexual was unrelated to measured characteristics of the proband such as self-reported history of childhood gender nonconformity. Concordant monozygotic twins reported similar levels of childhood gender nonconformity.