Comets and the origins and evolution of life; Proceedings of the Conference, Univ. of Wisconsin, Eau Claire, Sept. 30-Oct. 2, 1991

NASA Technical Reports Server (NTRS)

Thomas, Paul J. (Editor)

1992-01-01

Papers are presented on comets and the formation of biochemical compounds on the primitive earth; the cometary origin of carbon, nitrogen, and water on the earth; comets as a possible source of prebiotic molecules; comet impacts and chemical evolution on the bombarded earth; and cometary supply of terrestrial organics (lessons from the K/T and the present epoch). Other papers are on a computational study of radiation chemical processing in comet nuclei, the origin of the polycyclic aromatic hydrocarbons in meteorites, the fate of organic matter during planetary accretion (preliminary studies of the organic chemistry of experimentally shocked Murchison meteorite), recent observations of interstellar molecules (detection of CCO and a limit on H2C3O), terrestrial and extraterrestrial sources of molecular monochirality, and dark matter in the solar system (hydrogen cyanide polymers).

Frontiers in the Teaching of Physiology. Computer Literacy and Simulation.

ERIC Educational Resources Information Center

Tidball, Charles S., Ed.; Shelesnyak, M. C., Ed.

Provided is a collection of papers on computer literacy and simulation originally published in The Physiology Teacher, supplemented by additional papers and a glossary of terms relevant to the field. The 12 papers are presented in five sections. An affirmation of conventional physiology laboratory exercises, coping with computer terminology, and…

Kansas Working Papers in Linguistics, Volume 17, Numbers 1 and 2.

ERIC Educational Resources Information Center

Linn, Mary Sarah, Ed.; Oliverio, Giulia R. M., Ed.

"Kansas Working Papers in Linguistics" is intended as a forum for the presentation of the latest original research by the faculty and students of the Department of Linguistics and other related departments of the University of Kansas. Papers in this volume include: "Some Issues in Japanese Accent" (Kenneth Miner);…

Selected Papers on Protoplanetary Disks

NASA Technical Reports Server (NTRS)

Bell, K. R.; Cassen, P. M.; Wasson, J. T.; Woolum, D. S.; Klahr, H. H.; Henning, Th.

2004-01-01

Three papers present studies of thermal balances, dynamics, and electromagnetic spectra of protoplanetary disks, which comprise gas and dust orbiting young stars. One paper addresses the reprocessing, in a disk, of photons that originate in the disk itself in addition to photons that originate in the stellar object at the center. The shape of the disk is found to strongly affect the redistribution of energy. Another of the three papers reviews an increase in the optical luminosity of the young star FU Orionis. The increase began in the year 1936 and similar increases have since been observed in other stars. The paper summarizes astronomical, meteoric, and theoretical evidence that these increases are caused by increases in mass fluxes through the inner portions of the protoplanetary disks of these stars. The remaining paper presents a mathematical-modeling study of the structures of protostellar accretion disks, with emphasis on limits on disk flaring. Among the conclusions reached in the study are that (1) the radius at which a disk becomes shadowed from its central stellar object depends on radial mass flow and (2) most planet formation has occurred in environments unheated by stellar radiation.

Papers presented to the Conference on Origins of Planetary Magnetism. [magnetic properties of meteorites and solar, lunar, and planetary magnetic fields

NASA Technical Reports Server (NTRS)

1978-01-01

Abstracts of 63 papers accepted for publication are presented. Topics cover geomagnetism in the context of planetary magnetism, lunar magnetism, the dynamo theory and nondynamo processes, comparative planetary magnetism (terrestrial and outer planets), meteoritic magnetism, and the early solar magnetic field. Author and subject indexes are provided.

American Higher Education: Purposes, Problems, and Public Perceptions.

ERIC Educational Resources Information Center

Aspen Inst., Queenstown, MD.

This book presents papers, originally given as part of a seminar series in 1988 and 1990, that address issues in higher education and its role in U.S. society. In addition to the papers, two articles that were used as the basis for discussion at the 1990 seminar are also presented. One article was the speech given by William J. Bennett, then…

Skrammellegepladsen: Denmark's first adventure play area

Treesearch

Amanda Rae O' Connor; James F. Palmer

2003-01-01

This paper reviews the philosophy of the adventure playground movement and particularly the goals of the original adventure playground, Skrammellegepladsen in Copenhagen, Denmark. We then present a case study investigation of the ways that Skrammellegepladsen is used, the perceptions of the users, and the extent that the play area embodies its original philosophy. The...

Occasional Papers in Distance Education: Number 11, Charles Sturt University.

ERIC Educational Resources Information Center

Roberts, David, Ed.; Meacham, David, Ed.

The four papers in this collection focus on distance education and open education. In the first paper, "The Open Learning Institute," D. W. Roberts cites the original recommendation that Charles Sturt University establish a new division to be known as the Open Learning Institute, and presents a definition of the concept. In the second…

Unlicensed and unshackled : a joint OSP-OET white paper on unlicensed devices and their regulatory issues

DOT National Transportation Integrated Search

2003-05-01

In this paper, the authors present a survey of the origins of unlicensed wireless devices, their governing regulation, the current technological state of the art, an overview of the market with information from publicly available sources, and an anal...

Lean for Education

ERIC Educational Resources Information Center

LeMahieu, Paul G.; Nordstrum, Lee E.; Greco, Patricia

2017-01-01

Purpose: This paper is one of seven in this volume that aims to elaborate different approaches to quality improvement in education. It delineates a methodology called Lean for Education. Design/methodology/approach: The paper presents the origins, theoretical foundations, core concepts and a case study demonstrating an application in US education,…

U.S. Radioecology Research Programs of the Atomic Energy Commission in the 1950s

DOE Office of Scientific and Technical Information (OSTI.GOV)

Reichle, D.E.

2004-01-12

This report contains two companion papers about radiological and environmental research that developed out of efforts of the Atomic Energy Commission in the late 1940s and the 1950s. Both papers were written for the Joint U.S.-Russian International Symposium entitled ''History of Atomic Energy Projects in the 1950s--Sociopolitical, Environmental, and Engineering Lessons Learned,'' which was hosted by the International Institute for Applied Systems Analysis in Laxemberg, Austria, in October 1999. Because the proceedings of this symposium were not published, these valuable historic reviews and their references are being documented as a single ORNL report. The first paper, ''U.S. Radioecology Research Programsmore » Initiated in the 1950s,'' written by David Reichle and Stanley Auerbach, deals with the formation of the early radioecological research programs at the U.S. Atomic Energy Commission's nuclear production facilities at the Clinton Engineering Works in Oak Ridge, Tennessee; at the Hanford Plant in Richland, Washington; and at the Savannah River Plant in Georgia. These early radioecology programs were outgrowths of the environmental monitoring programs at each site and eventually developed into the world renowned National Laboratory environmental program sponsored by the Office of Biological and Environmental Research of the U.S. Department of Energy. The original version of the first paper was presented by David Reichle at the symposium. The second paper, ''U.S. Atomic Energy Commission's Environmental Research Programs Established in the 1950s,'' summarizes all the environmental research programs supported by the U.S. Atomic Energy Commission in the 1950s and discusses their present-day legacies. This paper is a modified, expanded version of a paper that was published in September 1997 in a volume commemorating the 50th anniversary symposium of the U.S. Department of Energy's Office of Biological and Environmental Research (DOE/BER). Contributors to the original work--Murray Schulman, DOE Headquarters, retired; Jerry Elwood, DOE/BER; David Reichle, Oak Ridge National Laboratory; and Ward Wicker, Colorado State University--provided further insight into environmental research in the decade of the 1950s and expanded the environmental part of the original document. The original version of the second paper was presented by David Reichle in poster session at the symposium.« less

The Way We Think: A Research Symposium on Conceptual Integration and the Nature and Origin of Cognitively Modern Human Beings (Odense, Denmark, August 19-23, 2002). Volumes I [and] II.

ERIC Educational Resources Information Center

Hougaard, Anders, Ed.; Lund, Steffen Nordahl, Ed.

2002-01-01

These 2 volumes include papers and abstracts of papers presented at the August 2002 "The Way We Think" conference in Denmark. Papers and abstracts of papers in the two volumes include: "Blending and Conceptual Disintegration" (Anders Hougaard); "Levels of Blending, Disintegration, and Language Evolution" (Carl Bache); "Conceptual Integration,…

Perspectives on the Origins of Life in Science Textbooks from a Christian Publisher: Implications for Teaching Science

ERIC Educational Resources Information Center

Santos Baptista, Geilsa Costa; da Silva Santos, Rodrigo; Cobern, William W.

2016-01-01

This paper presents the results of research regarding approaches to the origin of life featured in science textbooks produced by an Evangelical publisher. The research nature was qualitative with document analysis and an interpretive framework based on Epistemological Pluralism. Overall, the results indicate that there are four perspectives on the…

Comments on "Another Look at the New York City Voucher Experiment."

ERIC Educational Resources Information Center

Myers, David E.; Mayer, Daniel P.

This brief paper is a response to a reanalysis (Krueger & Zhu, 2003) of a report (Mayer, Peterson, Myers, Tuttle, & Howell, 2002). The response is offered by two of the authors (Myers & Mayer) of the original report. The original report presented an evaluation of the impact of vouchers on students' reading and mathematics achievement…

Teachers' Perceptions, Attitudes and Feelings towards Pupils of Roma Origin

ERIC Educational Resources Information Center

Zachos, Dimitris T.

2017-01-01

In this paper, the focus is on schools' responses to multiculturalism. We present a research project that was designed to explore feelings, perceptions and attitudes of teachers towards pupils of Roma origin in two different Greek schools. Our research strategy involved case studies and in-depth semi-structured interview was our main research…

The preparation of illustrations for reports of the United States Geological survey : with brief descriptions of processes of reproduction

USGS Publications Warehouse

Ridgway, John L.

1920-01-01

There has been an obvious need in the Geological Survey o£ a paper devoted wholly to illustrations. No complete paper on the character, use, and mode of preparation of illustration has been published by the Survey, though brief suggestions concerning certain features of their use have been printed in connection wit other suggestions pertaining to publications. The present paper includes matter which it is hoped will be of service to authors in their work of making up original drafts of illustrations and to drafsmen who are using these originals in preparing more finished drawing but it is not a technical treatise on drafting.

On the offshore dispersal of the Amazon's Plume in the North Atlantic: Comments on the paper by A. Longhurst, ``Seasonal cooling and blooming in tropical oceans''

NASA Astrophysics Data System (ADS)

Muller-Karger, F. E.; Richardson, P. L.; Mcgillicuddy, D.

1995-11-01

Coastal Zone Color Scanner (CZCS) satellite images show extensive plumes of discolored water extending from South America into the western tropical Atlantic. The most conspicuous plumes originate at the mouths of the Amazon and Orinoco Rivers, and plumes originating at smaller rivers can also be seen from space. In a recent paper by Longhurst (1993), the plume associated with the Amazon River was attributed to phytoplankton blooms stimulated by nutrients supplied via eddy upwelling. We revisit the argument that this plume is of riverine origin, and offer evidence that material present near continental margins can be advected offshore and trace circulation patterns in the adjacent ocean.

Functional and Noncategorical Identification and Intervention in Special Education.

ERIC Educational Resources Information Center

Reschly, Daniel J., Ed.; Tilly, W. David, III, Ed.; Grimes, Jeffrey P., Ed.

This volume presents 12 papers that address the increasing shift toward functional and noncategorical approaches to special education. The papers are: (1) "Origins of Categorical Special Education Services in Schools and a Rationale for Changing Them" (Jim Ysseldyke and Doug Marston); (2) "Reform Trends and System Design Alternatives" (Dan Reschly…

Bringing Action Reflection Learning into Action Learning

ERIC Educational Resources Information Center

Rimanoczy, Isabel; Brown, Carole

2008-01-01

This paper introduces Action Reflection Learning (ARL) as a learning methodology that can contribute to, and enrich, the practice of action learning programs. It describes the Swedish constructivist origins of the model, its evolution and the coded responses that resulted from researching the practice. The paper presents the resulting sixteen ARL…

Six Sigma in Education

ERIC Educational Resources Information Center

LeMahieu, Paul G.; Nordstrum, Lee E.; Cudney, Elizabeth A.

2017-01-01

Purpose: This paper is one of seven in this volume that aims to elaborate different approaches to quality improvement in education. It delineates a methodology called Six Sigma. Design/methodology/approach: The paper presents the origins, theoretical foundations, core principles and a case study demonstrating an application of Six Sigma in a…

Different People: Studies in Ethnicity and Education.

ERIC Educational Resources Information Center

Gumbert, Edgar B., Ed.

Originally presented as lectures at Georgia State University in 1982, these three papers address the themes of multiethnic societies in the United States and Great Britain. In the first paper "Identity, Conflict, and Survival Mechanisms for Asian Americans," the author discusses how the observable patterns of mobility through education…

Issues in Asian and Pacific American Education.

ERIC Educational Resources Information Center

Tsuchida, Nobuya, Ed.

The six papers collected in this report were originally presented at a conference on Asian and Pacific education held in 1984. The papers deal with such topics as: the relationship between educational attainment and economic status; training programs designed for teachers and staff working with limited English speaking Asian students; effective…

Laser-Based Lighting: Experimental Analysis and Perspectives

PubMed Central

Yushchenko, Maksym; Buffolo, Matteo; Meneghini, Matteo; Zanoni, Enrico

2017-01-01

This paper presents an extensive analysis of the operating principles, theoretical background, advantages and limitations of laser-based lighting systems. In the first part of the paper we discuss the main advantages and issues of laser-based lighting, and present a comparison with conventional LED-lighting technology. In the second part of the paper, we present original experimental data on the stability and reliability of phosphor layers for laser lighting, based on high light-intensity and high-temperature degradation tests. In the third part of the paper (for the first time) we present a detailed comparison between three different solutions for laser lighting, based on (i) transmissive phosphor layers; (ii) a reflective/angled phosphor layer; and (iii) a parabolic reflector, by discussing the advantages and drawbacks of each approach. The results presented within this paper can be used as a guideline for the development of advanced lighting systems based on laser diodes. PMID:29019958

Translation and back-translation in qualitative nursing research: methodological review.

PubMed

Chen, Hsiao-Yu; Boore, Jennifer Rp

2010-01-01

To examine the effects of the procedure of translation and the techniques used on the collection and interpretation of original language qualitative data for English presentation. Nursing and health research increasingly use qualitative research for a broadened perspective on practice and research. In numerous qualitative nursing research papers, data are collected in the original language (example Chinese) and the findings are presented in English. No standardised procedures exist for evaluating the influences of translation on the trustworthiness of qualitative data in nursing research. Translation and back-translation related literature review was conducted. This is a methodological review paper. Discussion. This paper discusses the factors influencing the quality of translation including translator, back-translation, culture and language. Additionally, the translation procedures reported in the literature and the author's experiences are considered. The translation procedures described in qualitative nursing research can be summarised as: 1 Verbatim transcription of the content in original language, and then analysis of content; 2 Two bilingual translators are necessary to translate the emerged concepts and categories; 3 Back translate is employed; 4 An expert panel committee is involved in reaching final agreement on the translation. Development of the translation procedures could provide qualitative nursing researchers with a guide when collecting data in one language and presenting results in another language. In this way, the necessary rigour in qualitative nursing research could be achieved.

Adaptation of the Mathematics and Technology Attitudes Scale (MTAS) into Turkish: Validity and Reliability Studies for Middle School Students

ERIC Educational Resources Information Center

Tabuk, Mesut

2018-01-01

The paper aims to present the adaptation study of "The Mathematics and Technology Attitudes Scale (MTAS)" into Turkish. The original form MTAS was developed by Pierce, Stacey and Barkatsas (2007) in order to investigate the effect of five different variables in learning mathematics with technology. The original form of the attitudes…

[Catalan version of Barcelona Test's verbal subtests].

PubMed

Lluent Vallet, R; Peña-Casanova, J; Böhm, P

2002-03-01

Test Barcelona. Bilingüismo catalán-castellano. Adaptación lingüística de instrumentos neuropsicológicos. The present paper develops the Catalan version of the language subtests of the Barcelona Test (Peña-Casanova,1986) the original version of which was published in Spanish. To reach the Catalan version of the test it has been necessary to analyse the psycholinguistic variables of every item to then establish linguistically equivalent correlations. There are some subtests for which no modifications have been needed. Nevertheless, and because of some psycholinguistic features of Catalan (Catalan's spelling is not completely free of ambiguity) some subtests have suffered substantial modifications. The following paper presents the justification of every modification based on the features of the Catalan language and also based on the original goals of the test. An appendix contains the final version of the Catalan adaptation for the language subtests of the Barcelona Test. The present paper represents an advance in the assessment of neurological patients with language disfunctions. It will permit an appropiate assessment for the Spanish-Catalan bilingual patients.

Collected software engineering papers, volume 7

NASA Technical Reports Server (NTRS)

1989-01-01

A collection is presented of selected technical papers produced by participants in the Software Engineering Laboratory (SEL) during the period Dec. 1988 to Oct. 1989. The purpose of the document is to make available, in one reference, some results of SEL research that originally appeared in a number of different forums. For the convenience of this presentation, the seven papers contained here are grouped into three major categories: (1) Software Measurement and Technology Studies; (2) Measurement Environment Studies; and (3) Ada Technology Studies. The first category presents experimental research and evaluation of software measurement and technology; the second presents studies on software environments pertaining to measurement. The last category represents Ada technology and includes research, development, and measurement studies.

Collected software engineering papers, volume 6

NASA Technical Reports Server (NTRS)

1988-01-01

A collection is presented of technical papers produced by participants in the Software Engineering Laboratory (SEL) during the period 1 Jun. 1987 to 1 Jan. 1989. The purpose of the document is to make available, in one reference, some results of SEL research that originally appeared in a number of different forums. For the convenience of this presentation, the twelve papers contained here are grouped into three major categories: (1) Software Measurement and Technology Studies; (2) Measurement Environment Studies; and (3) Ada Technology Studies. The first category presents experimental research and evaluation of software measurement and technology; the second presents studies on software environments pertaining to measurement. The last category represents Ada technology and includes research, development, and measurement studies.

Papers and Proceedings of the Annual Meeting of the Midwest History of Education Society (7th, Chicago, Illinois, October 27-28, 1972).

ERIC Educational Resources Information Center

Rutkowski, Edward, Ed.

1973-01-01

The first journal publication of the Midwest History of Education Society contains papers presented at its 1972 annual meeting and three papers on Canadian education. "University Extension in the United States, 1885-1915" (G. M. Woytanowitz) defines the U.S. origins of the university extension as an adult education agency. "She…

[Drugs of a Baroque monastery pharmacy].

PubMed

Drábek, Pavel

2013-08-01

This paper deal with a manuscript from the years 1714-1720, originating most probably from the hospital of the Brothers of Mercy in Nové Mesto nad Metují. it contains the records of the hospital pharmacy about the drugs prepared for both patients and monks who operated this hospital. The included drugs were mainly intended for elderly males. The manuscript lists about fifteen hundred drugs and more than three hundred active ingredients, of which about two thirds were of plant origin. The paper presents the compositions of more important drugs and partly deals also with their preparation.

The academic value of rehabilitation medicine meetings.

PubMed

Sivan, Manoj; Smith, Matthew; Bavikatte, Ganesh; Bradley, Lloyd

2010-01-01

Twice-yearly meetings of The British Society of Rehabilitation Medicine (BSRM) take place at which posters and free papers are generated, as abstracts, to present novel research findings, audits and case reports. The aim of this study was to evaluate the academic value of these meetings, by determining the subsequent rate of publication in peer-reviewed journals of abstracts presented. This was compared to the publication rate of other European medical specialist society meetings. The authors used MEDLINE, PubMed and Google Scholar search engines to look for publication of abstracts presented at BSRM meetings within peer-reviewed journals over a 7-year period (2000-2006). The abstracts were categorised into sub-groups (original study, audit, review, case report and service description) to determine which type was more likely to be published. The above databases were used also to extract studies on publication rate of other medical specialties in Europe. In 7 years, a total of 251 abstracts (of which 152 are original studies) have been presented as free papers or posters in a total of 13 meetings. The publication rate for the described study categories were: total 34%, original study 52%, review 50%, case report 5%, audit 0% and service description 0%. Publication rates from other specialist meetings in Europe range from 10% to 70%. The average publication rate for an abstract submitted to a BSRM meeting is 34% for any abstract and 52% for an original study suggesting that the meeting is generating abstracts of comparable academic interest to other specialist societies.

Scientific writing and the quality of papers: towards a higher impact.

PubMed

Cáceres, Ana Manhani; Gândara, Juliana Perina; Puglisi, Marina Leite

2011-12-01

Given the latent concern of scientists and editors on the quality of scientific writing, the aim of this paper was to present topics on the recommended structure of peer-reviewed papers. We described the key points of common sections of original papers and proposed two additional materials that may be useful for scientific writing: one particular guide to help the organization of the main ideas of the paper; and a table with examples of non desirable and desirable structures in scientific writing.

DOE Office of Scientific and Technical Information (OSTI.GOV)

None

The New Zealand Geothermal Workshop took place on 29th-31st October 1979 at the University of Auckland. Over 100 participants were present (a list is included in this volume) with 6 overseas visitors, bring the number of countries represented (including the Institute's Fellows) to 14. Forty papers were presented over the three days of the meeting, together with 23 poster papers presented by the students of the Institute. This second Proceedings volume has been prepared as a supplement to the volume of conference papers distributed at the meeting, and was produced subsequent to the Workshop. The fist section of this volumemore » includes additional papers presented at the meeting but not then available in printed form. The second part is a summary of the year's activities of the Geothermal Institute also presented in part at the meeting. These activities included some significant research contributions and original field investigations. Each fellow at the Institute was required as part of the course, to conduct an investigation and prepare a report which was presented at the Geothermal Workshop in a poster session. Abstracts of these project reports are included in this volume and five of the projects are reproduced in greater detail. Also included are outlines of the two original class projects conducted by the students and staff of the Institute, one a pre-feasibility study of the Ngawha Geothermal Field and the other an investigation of the Miranda Springs system. Finally, the lecture curriculum of the year's diploma course is presented in outline, together with the final examination papers. The two volumes of this document therefore include, as much as is possible within the restricted space, an overview of the Geothermal Institute's contribution to the development of geothermal energy together with a technical tribute to the many people involved in this very successful first year.« less

Ethnicity, Race, and Nationality in Education: A Global Perspective. The Rutgers Invitational Symposium on Education Series.

ERIC Educational Resources Information Center

Shimahara, N. Ken, Ed.; Holowinsky, Ivan Z., Ed.; Tomlinson-Clarke, Saundra, Ed.

This volume contains 12 papers originally presented at the 14th Rutgers Invitational Symposium on Education in 1999. The symposium explored contemporary issues of ethnic, cultural, and national identities and their influence on the social construction of identity. Papers include: (1) "Reconceptualizing Ethnicity and Educational…

Severe Behavior Disorders of Children and Youth. Monograph in Behavioral Disorders, Volume 11.

ERIC Educational Resources Information Center

Rutherford, Robert B., Jr., Ed.; Maag, John W., Ed.

The monograph contains 24 papers, originally presented at a 1987 conference, on research and practice in the area of behavioral disorders of children and adolescents. Papers have the following titles and authors: "Psychiatric Diagnosis: A Further Test of the Special Education Eligibility Hypothesis" (Ellen McGinnis and Steven Forness);…

School Desegregation: A Model at Work.

ERIC Educational Resources Information Center

Aquila, Frank, Ed.; Stoehr, Jane, Ed.

This volume presents a series of papers by educators involved with the issues of race, sex, and national origin desegregation. The focus is on provision of equal educational opportunities and the development of quality integrated education. The papers included are: (1) "Advocating Change in the White Male Club" by Bruce Gibb and Robert Terry; (2)…

Feminist Approaches to Science. The Athene Series.

ERIC Educational Resources Information Center

Bleier, Ruth, Ed.

This collection of papers explores the nature of contemporary science and attempts to further a view of science that is "different, better, feminist, and emancipating." Most of the papers were presented in their original form at a symposium, Feminist Perspectives on Science, at the University of Wisconsin-Madison, in April, 1985. Included are: (1)…

Monitoring Social Media: Students Satisfaction with University Administration Activities

ERIC Educational Resources Information Center

Koshkin, Andrey Petrovich; Rassolov, Ilya Mihajlovich; Novikov, Andrey Vadimovich

2017-01-01

The paper presents an original method of identifying satisfaction of students with the activities of their university administration based on studying the content of comments on the social networks. The analysis of student opinions revealed areas of concern and priority areas in the work of the university administration. The paper characterizes…

Southern Illinois Working Papers in Linguistics and Language Teaching, Volume 1.

ERIC Educational Resources Information Center

Young, Richard, Ed.

Five original research papers by faculty of the Department of Linguistics at the University of Southern Illinois at Carbondale are presented. The titles and authors are as follows: "Measuring the Instructional Sensitivity of ESL (English as a Second Language) Reading Comprehension Items" (Sheila R. Brutten, John T. Mouw, and Kyle…

Using a Blended Approach to Facilitate Postgraduate Supervision

ERIC Educational Resources Information Center

de Beer, Marie; Mason, Roger B.

2009-01-01

This paper explores the feasibility of using a blended approach to postgraduate research-degree supervision. Such a model could reduce research supervisors' workloads and improve the quality and success of Masters and Doctoral students' research output. The paper presents a case study that is based on a framework that was originally designed for…

Reshaping Education in the 1990s: Perspectives on Secondary Schooling.

ERIC Educational Resources Information Center

Pole, Christopher J., Ed.; Chawla-Duggan, Rita, Ed.

The 1988 Education Reform Act precipitated major educational change in the United Kingdom. This book is a compilation of papers originally presented at the 1994 Centre for Educational Development Appraisal and Research (CEDAR) conference at the University of Warwick (England). The papers focus on changes that have occurred and are occurring in the…

Educational Methods for Deaf-Blind and Severely Handicapped Students, Volume I.

ERIC Educational Resources Information Center

Peak, Orel; And Others

The 17 papers were originally presented at a 1977 series of workshops for personnel serving the deaf-blind and severely handicapped and are organized into the following workshop topics: programing and program development, the senses, cognition, communication, and behavior managment. The papers have the following titles and authors: "Education for…

Patterns of Daily Life. IREX Occasional Papers, Volume 1, Number 4.

ERIC Educational Resources Information Center

Cole, John W.; Lapidus, Gail Warshofsky

Two papers are presented which were originally prepared for delivery at a conference to evaluate the results of 20 years of scholarly exchange between the United States, the USSR, and Eastern Europe. Participants included over 300 members of the public affairs community, including government officials, public policy makers, business leaders,…

Message From the Editor for Contributions to the 2007 Real Time Conference Issue of TNS

NASA Astrophysics Data System (ADS)

Dufey, Jean-Pierre

2008-02-01

This issue presents 67 papers which were originally presented at the 15th IEEE-NPSS Real Time Conference (RT2007) on Computing Applications in Nuclear and Plasma Sciences held at Fermilab, Batavia, IL, April 29-May 4, 2007.

Comets: Gases, ices, grains and plasma

NASA Technical Reports Server (NTRS)

Wilkening, L. L.

1981-01-01

The program and abstracts of the 97 papers delivered at the colloquium are presented. Cometary nuclei, comet dust, the coma, ion tails, several comet missions, and cometary origin and evolution were discussed.

EAF Management Optimization

NASA Astrophysics Data System (ADS)

Costoiu, M.; Ioana, A.; Semenescu, A.; Marcu, D.

2016-11-01

The article presents the main advantages of electric arc furnace (EAF): it has a great contribution to reintroduce significant quantities of reusable metallic materials in the economic circuit, it constitutes itself as an important part in the Primary Materials and Energy Recovery (PMER), good productivity, good quality / price ratio, the possibility of developing a wide variety of classes and types of steels, including special steels and high alloy. In this paper it is presented some important developments of electric arc furnace: vacuum electric arc furnace, artificial intelligence expert systems for pollution control Steelworks. Another important aspect presented in the article is an original block diagram for optimization the EAF management system. This scheme is based on the original objective function (criterion function) represented by the price / quality ratio. The article presents an original block diagram for optimization the control system of the EAF. For designing this concept of EAF management system, many principles were used.

National History Day Contest Guide.

ERIC Educational Resources Information Center

National History Day, Inc., Cleveland, OH.

The guide presents an overview of a national contest designed to make history come alive to students in grades 6 through 12 through imaginative projects, original performances, media presentations, and papers. Students submit their entries into contests in which they are judged by historians, educators, and other experienced professionals.…

Technological and cross-border mixture value chain of science and engineering of multi-integrative mechatronics-integronics-adaptronics

NASA Astrophysics Data System (ADS)

Gheorghe, Gh. Ion; Popan, Gheorghe

2013-10-01

This scientific paper presents in national premiere and in original concept of the author, the scientific national and the author's original concept, the technological and cross-border mixture value chain of science and engineering of multi-integrative Mechatronics-Integronics-Adaptronics, as high-tech vector support development, for viability and sustainability of a new intelligent and competitive labour market.

Transitions of Young Migrants to Initial Vocational Education and Training in Germany: The Significance of Social Origin and Gender

ERIC Educational Resources Information Center

Beicht, Ursula; Walden, Günter

2017-01-01

The topic of the present paper is how successful young people from a migration background in Germany are in making the transition to initial vocational education and training (VET). Particular emphasis is placed on interactions with social origin and gender. The analyses are based on the 2011 BIBB Transitional Study, a representative survey of…

Case Studies in Regional Energy Planning. Papers presented at a symposium at the Annual Meeting of the American Association for the Advancement of Science (142nd, Boston, Massachusetts, February 18-24, 1976).

ERIC Educational Resources Information Center

Blanpied, William A., Ed.; Vermilye, Gretchen, Ed.

The papers reproduced in this collection were originally prepared for presentation at a February 1976 symposium at the annual meeting of the American Association for the Advancement of Science. The symposium summarized a series of three regional seminars on National Energy Policy in a Regional Context; these seminars were held in Minnesota, New…

The origin of the vertebrate skeleton

NASA Astrophysics Data System (ADS)

Pivar, Stuart

2011-01-01

The anatomy of the human and other vertebrates has been well described since the days of Leonardo da Vinci and Vesalius. The causative origin of the configuration of the bones and of their shapes and forms has been addressed over the ensuing centuries by such outstanding investigators as Goethe, Von Baer, Gegenbauer, Wilhelm His and D'Arcy Thompson, who sought to apply mechanical principles to morphogenesis. However, no coherent causative model of morphogenesis has ever been presented. This paper presents a causative model for the origin of the vertebrate skeleton, based on the premise that the body is a mosaic enlargement of self-organized patterns engrained in the membrane of the egg cell. Drawings illustrate the proposed hypothetical origin of membrane patterning and the changes in the hydrostatic equilibrium of the cytoplasm that cause topographical deformations resulting in the vertebrate body form.

NACA: University Conference on Aerodynamics. A Compilation of the Papers Presented

NASA Technical Reports Server (NTRS)

1948-01-01

This document contains reproductions of the technical papers presented at the NACA - University Conference on Aerodynamics held at the Langley Aeronautical Laboratory on June 21, 22, and 23, 1948. The conference was held in recognition of the difficulties, imposed by security restrictions, in keeping abreast of the rapid advances in aerodynamics. The papers were prepared to review the status of a number of fields of interest, to summarize the more important wartime advances that are no longer classified, and to orient reference material for further study. The papers in this document are in the same form in which they were presented at the conference so that distribution of them might be prompt. The original presentation and this record are considered as complementary to, rather than as substitutes for, the Committee?s system of complete and formal reports.

Not Plain Sailing: Malaysia's Language Choice in Policy and Education

ERIC Educational Resources Information Center

Hashim, Azirah

2009-01-01

This paper focusses on language and education issues in Malaysia as they have unfolded in the context of nation building, societal multilingualism and globalization from independence to the present day. The paper first examines the origin and nature of language and medium-of-instruction policies in Malaysia and the rationale for them. Secondly, it…

Behavioral Health Issues among American Indians and Alaska Natives: Explorations on the Frontiers of the Biobehavioral Sciences.

ERIC Educational Resources Information Center

Manson, Spero M., Ed.; Dinges, Norman G., Ed.

1988-01-01

The nine major overview and position papers contained in the monograph were originally presented at a conference held for the purpose of reviewing, from the Native American perspective, the National Institute of Medicine's comprehensive volume, "Health and Behavior: Frontiers of Research in the Biobehavioral Sciences." The papers, each…

Shaping the Future of American Youth: Youth Policy in the 21st Century.

ERIC Educational Resources Information Center

Lewis, Anne, Ed.

This volume contains 14 essays and commentaries on youth development penned by educators, policymakers, and leaders of youth development organizations. The papers, written to commemorate 10 years of American Youth Policy Forum's service, were originally presented at a forum in Washington, D.C., in January 2003. Following are the papers: "Genesis…

Response to Comments on: "Nonlinear phenomena, bifurcations, and routes to chaos in an asymmetrically supported rotor-stator contact system" by Philip Varney, Itzhak Green [J. Sound Vib. 336 (2015) 207-226

NASA Astrophysics Data System (ADS)

Varney, Philip; Green, Itzhak

2017-11-01

The authors would like to thank the discussers for their interest in the paper. The discussers raise several objections to the original work; namely, that the state-space equations of motion were derived incorrectly, thus rendering the original results incorrect by association. In actuality, the error in the original state-space equations (Eq. (16) in the original work) is typographic only. This, in conjunction with a typographic error in Table A1, prevented the discussers from replicating a subset of the original results (though the discussers were able to replicate many of the results presented in the original work, despite the presumed error in the equations). These typographic errors are rectified here. In addition, results are presented here corresponding to the solution that would have been obtained had the state-space equations been incorrect in the manner presumed by the discussers. Finally, the discussers state that the results presented in the original work do not adhere to physical principles because the steady-state solution in one case indicates contact even though the linear response to imbalance is less than the radial clearance. This seeming discrepancy is also addressed here.

From Gauß to Biermann: Highlights from the first 117 years of publications in Astronomische Nachrichten/Astronomical Notes

NASA Astrophysics Data System (ADS)

von Berlepsch, R.; Strassmeier, K. G.

2009-06-01

We present facsimiles of some of the scientifically and historically most relevant papers published in Astronomische Nachrichten/Astronomical Notes (AN) between 1821 and 1938. Almost all of these papers were written and printed in German and it is sometimes not completely straightforward to find these original works and then to cite the historically correct version, e.g. in case of a series of articles or editorial letters. It was common during the early years that many contributions were made in form of letters to the editor. We present a summary for these original works with an English translation of their titles. Among the highlights are the originals of the discovery of stellar parallaxes by Friedrich Wilhelm Bessel, the discovery of the solar cycle by Heinrich Schwabe, the discovery of the planet Neptune by Johann Gottfried Galle, the first ever measured stellar radial velocity by Hermann Vogel, the discovery of radio emission from the Sun by Wilsing and Scheiner, the first ever conducted photoelectric photometry of stars by Paul Guthnick and up to the pioneering work by Karl Schwarzschild, Ejnar Hertzsprung, Erwin Finlay Freundlich and others. As a particular gimmick we present the still world record holding shortest paper ever published; by Johannes Hartmann in AN 226, 63 (1926) on Nova Pictoris. Our focus is on contributions in the early years and published until 1938 near the verge of the second world war.

Black English.

ERIC Educational Resources Information Center

Bailey, Charles-James N.

This paper, presented as part of a military lecture series given by the Division of Continuing Education and Community Service Speakers' Bureau of the University of Hawaii to military personnel at Schofield Barracks and Fort Shafter, investigates the origins and present status of Black English. A discussion of early studies in the Gullah dialect…

Educational Methods for Deaf-Blind and Severely Handicapped Students. Volume II.

ERIC Educational Resources Information Center

Texas Education Agency, Austin. Div. of Special Education.

The book presents 17 papers originally presented at a 1978 Texas conference on educational methods for deaf-blind and severely handicapped students, covering the areas of motor development, auditory assessment and hearing loss, communication, cognition, prevocational training, and functional living skills. Titles and authors include "An Overview…

Ethnic Lifestyles and Mental Health.

ERIC Educational Resources Information Center

Valencia-Weber, Gloria, Ed.

This document presents two overview essays (one on the ethnic history of the United States and one on multicultural society) and seven articles on various aspects of the relationship between ethnic values and mental health. Articles were originally presented as papers at a series of seminars convened to encourage humanists from four ethnic groups…

Dust bands in the asteroid belt

NASA Technical Reports Server (NTRS)

Sykes, Mark V.; Greenberg, Richard; Dermott, Stanley F.; Nicholson, Philip D.; Burns, Joseph A.

1989-01-01

This paper describes the original IRAS observations leading to the discovery of the three dust bands in the asteroid belt and the analysis of data. Special attention is given to an analytical model of the dust band torus and to theories concerning the origin of the dust bands, with special attention given to the collisional equilibrium (asteroid family), the nonequilibrium (random collision), and the comet hypotheses of dust-band origin. It is noted that neither the equilibrium nor nonequilibrium models, as currently formulated, present a complete picture of the IRAS dust-band observations.

Aircraft Landing Dynamics Facility - A unique facility with new capabilities

NASA Technical Reports Server (NTRS)

Davis, P. A.; Stubbs, S. M.; Tanner, J. A.

1985-01-01

The Aircraft Landing Dynamics Facility (ALDF), formerly called the Landing Loads Track, is described. The paper gives a historical overview of the original NASA Langley Research Center Landing Loads Track and discusses the unique features of this national test facility. Comparisons are made between the original track characteristics and the new capabilities of the Aircraft Landing Dynamics Facility following the recently completed facility update. Details of the new propulsion and arresting gear systems are presented along with the novel features of the new high-speed carriage. The data acquisition system is described and the paper concludes with a review of future test programs.

"Governmentality" in the Origins of European Female PE and Sport: The Spanish Case Study (1883-1936)

ERIC Educational Resources Information Center

Garcia, Raul Sanchez; Herraiz, Antonio Rivero

2013-01-01

The purpose of the paper is twofold: (1) to contribute to the analysis of the origins of modern European female PE and sports from a power perspective, inspired by Foucault's work; and (2) to present a detailed analysis of female PE and sport in Spain (1883-1936) as a specific European case study. It is argued that these physical activities could…

[Survival functions and life tables at the origins of actuarial mathematics].

PubMed

Spelta, D

1997-01-01

"In the determination of death probabilities of an insured subject one can use either statistical data or a mathematical function. In this paper a survey of the relationship between mortality tables and survival functions from the origins until the first half of the nineteenth century is presented. The author has tried to find the methodological grounds which have induced the actuaries to prefer either of these tools." (EXCERPT)

By Schools for Schools: The Origins, History and Influence of the Specialist Schools and Academies Trust, 1987-2007

ERIC Educational Resources Information Center

Specialist Schools and Academies Trust, 2007

2007-01-01

This paper presents the history of the Specialist Schools and Academies Trust (SSAT). The origins of the specialist schools programme lie in a meeting to address high levels of youth unemployment held at the House of Lords in January 1986, the result was the establishment of 100 technology schools to meet the skills needs of new business. In the…

"Origin," "creation," and "origin of life" some conceptual considerations.

PubMed

Charpa, Ulrich

2012-01-01

This paper opens by drawing attention to the fact that there is some conceptual confusion with regard to "origin" and "creation." This has its historical roots in the beginnings of modern science and undoubtedly affects our positioning towards the evolutionism/creationism-debate. This article argues that there are relevant ontological, epistemological, thematic, methodological, and logical differences between "origin" and "creation." As a result, the analysis suggests keeping the usage of both concepts strictly quite separate. Creation is not simply another word for origin nor does it stand for an (from a rigid scientific point of view) awkward example of an origin. Irrespective of the apparent similarities as explanatory factors, origin and creation belong to fundamentally different types of concepts. Consequently, "origin of life" and those scientific projects connected to it present themselves as something distinct that neither competes nor meshes with thinking about creation.

Our Schools & Our Future... Are We Still at Risk?

ERIC Educational Resources Information Center

Peterson, Paul E. Ed.

This collection of papers reviews the state of U.S. education 20 years after the original "A Nation at Risk" report on the quality of schools by the National Commission on Educational Excellence. The first paper presents "Findings and Recommendations by the Koret Task Force on K-12 Education." Part 1, "'A Nation at Risk': Then and Now," includes:…

[Uncommon foreign body in a nose].

PubMed

Alagić-Smailbegović, Jasminka; Hadzić, Edina; Sutalo, Kamenko; Resić, Mudzahid

2007-01-01

Foreign body in the nose most frequently occurs in childhood. It could be of various origin, pieces of toys, paper and uncommon metal body. Consequences include one- sided nasal breathing problem, nasal secretion and in some cases pain and secretion become purulent. The aim of this paper is to present uncommon foreign body in the nose. RTG diagnosis and extraction are the methods of choice.

Ethics, Ideals and Ideologies in the History of Adult Education. Studies in Pedagogy, Andragogy, and Gerontagogy.

ERIC Educational Resources Information Center

Nemeth, Balazs, Ed.; Poggeler, Franz, Ed.

This book, which focuses on how personality, societal values and politics have influenced the mission of adult education, contains 34 papers originally presented at a 2000 conference on the history of adult education. Following a Foreword (Poggeler) and Preface (Nemeth) the papers are: "The Globalization of Adult Education and the One World…

A Progressive Approach to the Education of Teachers: Some Principles from Bank Street College of Education. Occasional Paper Series 18

ERIC Educational Resources Information Center

Nager, Nancy; Shapiro, Edna K.

2007-01-01

This occasional paper presents Bank Street's approach as represented in a set of five interrelated principles. It begins by briefly describing the origins and rationale of teacher education at Bank Street. From this description are generated principles that emerge from Bank Street's history and practice, linking each principle to classroom images…

A New Method for Analyzing Near-Field Faraday Probe Data in Hall Thrusters

NASA Technical Reports Server (NTRS)

Huang, Wensheng; Shastry, Rohit; Herman, Daniel A.; Soulas, George C.; Kamhawi, Hani

2013-01-01

This paper presents a new method for analyzing near-field Faraday probe data obtained from Hall thrusters. Traditional methods spawned from far-field Faraday probe analysis rely on assumptions that are not applicable to near-field Faraday probe data. In particular, arbitrary choices for the point of origin and limits of integration have made interpretation of the results difficult. The new method, called iterative pathfinding, uses the evolution of the near-field plume with distance to provide feedback for determining the location of the point of origin. Although still susceptible to the choice of integration limits, this method presents a systematic approach to determining the origin point for calculating the divergence angle. The iterative pathfinding method is applied to near-field Faraday probe data taken in a previous study from the NASA-300M and NASA-457Mv2 Hall thrusters. Since these two thrusters use centrally mounted cathodes the current density associated with the cathode plume is removed before applying iterative pathfinding. A procedure is presented for removing the cathode plume. The results of the analysis are compared to far-field probe analysis results. This paper ends with checks on the validity of the new method and discussions on the implications of the results.

A New Method for Analyzing Near-Field Faraday Probe Data in Hall Thrusters

NASA Technical Reports Server (NTRS)

Huang, Wensheng; Shastry, Rohit; Herman, Daniel A.; Soulas, George C.; Kamhawi, Hani

2013-01-01

This paper presents a new method for analyzing near-field Faraday probe data obtained from Hall thrusters. Traditional methods spawned from far-field Faraday probe analysis rely on assumptions that are not applicable to near-field Faraday probe data. In particular, arbitrary choices for the point of origin and limits of integration have made interpretation of the results difficult. The new method, called iterative pathfinding, uses the evolution of the near-field plume with distance to provide feedback for determining the location of the point of origin. Although still susceptible to the choice of integration limits, this method presents a systematic approach to determining the origin point for calculating the divergence angle. The iterative pathfinding method is applied to near-field Faraday probe data taken in a previous study from the NASA-300M and NASA-457Mv2 Hall thrusters. Since these two thrusters use centrally mounted cathodes, the current density associated with the cathode plume is removed before applying iterative pathfinding. A procedure is presented for removing the cathode plume. The results of the analysis are compared to far-field probe analysis results. This paper ends with checks on the validity of the new method and discussions on the implications of the results.

Studies of Sources on the Sun of Geo-effective Solar Events (P44)

NASA Astrophysics Data System (ADS)

Sharma, A. K.; Vhatkar, R. S.; Jadhav, K. D.; Rokade, M. V.

2006-11-01

sharma_ashokkumar@yahoo.com Source on the solar disc which causes the major solar proton events and large geomagnetic storms in the present solar cycle are studied in present paper. It is observed that all six major solar proton events studied were associated with CMEs that originated from West of East 30o and between ±30o Lat. on the solar disc. This is because Solar protons originating from western side of the solar disc follow the Archimedean spiral pattern of interplanetary magnetic fields and spiral down into the Earth’s vicinity.

Open Distant Learning: Pedagogical Terms of Reference and Dilemmas

ERIC Educational Resources Information Center

Tatkovic, Nevenka; Ruzic, Maja; Tatkovic, Sanja

2006-01-01

The paper first presents the essential viewpoints of general characteristics of open distance learning (OLD) and the short historical origins. The second part presents some pedagogical terms of reference for Open distance learning as the quality of ODL, the criteria of successful ODL (planning, successful interaction, work and emotional climate,…

The 1st Symposium on Chemical Evolution and the Origin and Evolution of Life

NASA Technical Reports Server (NTRS)

Devincenzi, D. L. (Editor); Pleasant, L. G. (Editor)

1982-01-01

This symposium provided an opportunity for all NASA Exobiology principal investigators to present their most recent research in a scientific meeting forum. Papers were presented in the following exobiology areas: extraterrestrial chemistry primitive earth, information transfer, solar system exploration, planetary protection, geological record, and early biological evolution.

APIC: Absolute Position Interfero Coronagraph for direct exoplanet detection: first laboratory results

NASA Astrophysics Data System (ADS)

Allouche, Fatmé; Glindemann, Andreas; Aristidi, Eric; Vakili, Farrokh

2010-07-01

For the detection and direct imaging of exoplanets, when the intensity ratio between a star and its orbiting planet can largely exceed 106, coronagraphic methods are mandatory. In 1996, a concept of achromatic interferocoronagraph (AIC) was presented by J. Gay and Y. Rabbia for the detection of very faint stellar companions, such as exoplanets. In an earlier paper, we presented a modified version of the AIC permitting to determine the relative position of these faint companions with respect to the parent star, a problem unsolved in the original design of the AIC. Our modification lied in the use of cylindrical lens doublets as field rotator. By placing two of them in one arm of the interferometric set-up of AIC, we destroyed the axis of symmetry induced by the AIC's original design. Our theoretical study, along with the numerical computations, presented then, and the preliminary test bench results aiming at validating the cylindrical lens doublet field rotation capability, presented in this paper, show that the axis of symmetry is destroyed when one of the cylindrical doublets is rotated around the optic axis.

The origins and destinies of the idea of thirdness in contemporary psychoanalysis.

PubMed

Coelho Junior, Nelson Ernesto

2016-08-01

The central aim that animates this paper is to present and discuss the idea of thirdness or analytic third in psychoanalysis, from its origins to the concepts formulated by André Green and Thomas Ogden. The contributions of Winnicott, Reik and the Baranger couple are discussed, as are their influences to contemporary psychoanalysis. In order to promote the clarification and to distinguish different psychoanalytic conceptions of the third, ten figures referring to the meaning of thirdness that appear in different theories are presented, without necessarily their being mutually exclusive. As a final consideration, the article seeks to reorder in four dimensions the ten figures originally presented, emphasizing the central elements in Ogden and Green's constructions. These dimensions are at the same time conceptual and clinical, insofar as they create possibilities of operating the idea of thirdness in the transference/ countertransference dynamics. Copyright © 2015 Institute of Psychoanalysis.

Mercury

NASA Technical Reports Server (NTRS)

Vilas, Faith (Editor); Chapman, Clark R. (Editor); Matthews, Mildred Shapley (Editor)

1988-01-01

Papers are presented on future observations of and missions to Mercury, the photometry and polarimetry of Mercury, the surface composition of Mercury from reflectance spectrophotometry, the Goldstone radar observations of Mercury, the radar observations of Mercury, the stratigraphy and geologic history of Mercury, the geomorphology of impact craters on Mercury, and the cratering record on Mercury and the origin of impacting objects. Consideration is also given to the tectonics of Mercury, the tectonic history of Mercury, Mercury's thermal history and the generation of its magnetic field, the rotational dynamics of Mercury and the state of its core, Mercury's magnetic field and interior, the magnetosphere of Mercury, and the Mercury atmosphere. Other papers are on the present bounds on the bulk composition of Mercury and the implications for planetary formation processes, the building stones of the planets, the origin and composition of Mercury, the formation of Mercury from planetesimals, and theoretical considerations on the strange density of Mercury.

The IceCube realtime alert system

NASA Astrophysics Data System (ADS)

Aartsen, M. G.; Ackermann, M.; Adams, J.; Aguilar, J. A.; Ahlers, M.; Ahrens, M.; Altmann, D.; Andeen, K.; Anderson, T.; Ansseau, I.; Anton, G.; Archinger, M.; Argüelles, C.; Auffenberg, J.; Axani, S.; Bai, X.; Barwick, S. W.; Baum, V.; Bay, R.; Beatty, J. J.; Becker Tjus, J.; Becker, K.-H.; BenZvi, S.; Berley, D.; Bernardini, E.; Bernhard, A.; Besson, D. Z.; Binder, G.; Bindig, D.; Bissok, M.; Blaufuss, E.; Blot, S.; Bohm, C.; Börner, M.; Bos, F.; Bose, D.; Böser, S.; Botner, O.; Braun, J.; Brayeur, L.; Bretz, H.-P.; Bron, S.; Burgman, A.; Carver, T.; Casier, M.; Cheung, E.; Chirkin, D.; Christov, A.; Clark, K.; Classen, L.; Coenders, S.; Collin, G. H.; Conrad, J. M.; Cowen, D. F.; Cross, R.; Day, M.; de André, J. P. A. M.; De Clercq, C.; del Pino Rosendo, E.; Dembinski, H.; De Ridder, S.; Desiati, P.; de Vries, K. D.; de Wasseige, G.; de With, M.; DeYoung, T.; Díaz-Vélez, J. C.; di Lorenzo, V.; Dujmovic, H.; Dumm, J. P.; Dunkman, M.; Eberhardt, B.; Ehrhardt, T.; Eichmann, B.; Eller, P.; Euler, S.; Evenson, P. A.; Fahey, S.; Fazely, A. R.; Feintzeig, J.; Felde, J.; Filimonov, K.; Finley, C.; Flis, S.; Fösig, C.-C.; Franckowiak, A.; Friedman, E.; Fuchs, T.; Gaisser, T. K.; Gallagher, J.; Gerhardt, L.; Ghorbani, K.; Giang, W.; Gladstone, L.; Glauch, T.; Glüsenkamp, T.; Goldschmidt, A.; Gonzalez, J. G.; Grant, D.; Griffith, Z.; Haack, C.; Hallgren, A.; Halzen, F.; Hansen, E.; Hansmann, T.; Hanson, K.; Hebecker, D.; Heereman, D.; Helbing, K.; Hellauer, R.; Hickford, S.; Hignight, J.; Hill, G. C.; Hoffman, K. D.; Hoffmann, R.; Hoshina, K.; Huang, F.; Huber, M.; Hultqvist, K.; In, S.; Ishihara, A.; Jacobi, E.; Japaridze, G. S.; Jeong, M.; Jero, K.; Jones, B. J. P.; Kang, W.; Kappes, A.; Karg, T.; Karle, A.; Katz, U.; Kauer, M.; Keivani, A.; Kelley, J. L.; Kheirandish, A.; Kim, J.; Kim, M.; Kintscher, T.; Kiryluk, J.; Kittler, T.; Klein, S. R.; Kohnen, G.; Koirala, R.; Kolanoski, H.; Konietz, R.; Köpke, L.; Kopper, C.; Kopper, S.; Koskinen, D. J.; Kowalski, M.; Krings, K.; Kroll, M.; Krückl, G.; Krüger, C.; Kunnen, J.; Kunwar, S.; Kurahashi, N.; Kuwabara, T.; Labare, M.; Lanfranchi, J. L.; Larson, M. J.; Lauber, F.; Lennarz, D.; Lesiak-Bzdak, M.; Leuermann, M.; Lu, L.; Lünemann, J.; Madsen, J.; Maggi, G.; Mahn, K. B. M.; Mancina, S.; Mandelartz, M.; Maruyama, R.; Mase, K.; Maunu, R.; McNally, F.; Meagher, K.; Medici, M.; Meier, M.; Meli, A.; Menne, T.; Merino, G.; Meures, T.; Miarecki, S.; Montaruli, T.; Moulai, M.; Nahnhauer, R.; Naumann, U.; Neer, G.; Niederhausen, H.; Nowicki, S. C.; Nygren, D. R.; Obertacke Pollmann, A.; Olivas, A.; O'Murchadha, A.; Palczewski, T.; Pandya, H.; Pankova, D. V.; Peiffer, P.; Penek, Ö.; Pepper, J. A.; Pérez de los Heros, C.; Pieloth, D.; Pinat, E.; Price, P. B.; Przybylski, G. T.; Quinnan, M.; Raab, C.; Rädel, L.; Rameez, M.; Rawlins, K.; Reimann, R.; Relethford, B.; Relich, M.; Resconi, E.; Rhode, W.; Richman, M.; Riedel, B.; Robertson, S.; Rongen, M.; Rott, C.; Ruhe, T.; Ryckbosch, D.; Rysewyk, D.; Sabbatini, L.; Sanchez Herrera, S. E.; Sandrock, A.; Sandroos, J.; Sarkar, S.; Satalecka, K.; Schlunder, P.; Schmidt, T.; Schoenen, S.; Schöneberg, S.; Schumacher, L.; Seckel, D.; Seunarine, S.; Soldin, D.; Song, M.; Spiczak, G. M.; Spiering, C.; Stanev, T.; Stasik, A.; Stettner, J.; Steuer, A.; Stezelberger, T.; Stokstad, R. G.; Stößl, A.; Ström, R.; Strotjohann, N. L.; Sullivan, G. W.; Sutherland, M.; Taavola, H.; Taboada, I.; Tatar, J.; Tenholt, F.; Ter-Antonyan, S.; Terliuk, A.; Tešić, G.; Tilav, S.; Toale, P. A.; Tobin, M. N.; Toscano, S.; Tosi, D.; Tselengidou, M.; Turcati, A.; Unger, E.; Usner, M.; Vandenbroucke, J.; van Eijndhoven, N.; Vanheule, S.; van Rossem, M.; van Santen, J.; Vehring, M.; Voge, M.; Vogel, E.; Vraeghe, M.; Walck, C.; Wallace, A.; Wallraff, M.; Wandkowsky, N.; Weaver, Ch.; Weiss, M. J.; Wendt, C.; Westerhoff, S.; Whelan, B. J.; Wickmann, S.; Wiebe, K.; Wiebusch, C. H.; Wille, L.; Williams, D. R.; Wills, L.; Wolf, M.; Wood, T. R.; Woolsey, E.; Woschnagg, K.; Xu, D. L.; Xu, X. W.; Xu, Y.; Yanez, J. P.; Yodh, G.; Yoshida, S.; Zoll, M.

2017-06-01

Although high-energy astrophysical neutrinos were discovered in 2013, their origin is still unknown. Aiming for the identification of an electromagnetic counterpart of a rapidly fading source, we have implemented a realtime analysis framework for the IceCube neutrino observatory. Several analyses selecting neutrinos of astrophysical origin are now operating in realtime at the detector site in Antarctica and are producing alerts for the community to enable rapid follow-up observations. The goal of these observations is to locate the astrophysical objects responsible for these neutrino signals. This paper highlights the infrastructure in place both at the South Pole site and at IceCube facilities in the north that have enabled this fast follow-up program to be implemented. Additionally, this paper presents the first realtime analyses to be activated within this framework, highlights their sensitivities to astrophysical neutrinos and background event rates, and presents an outlook for future discoveries.

[Human origin and evolution. A review of advances in paleoanthropology, comparative genetics, and evolutionary psychology].

PubMed

Markov, A V

2009-01-01

In his main work, "On the origin of species", Darwin has refrained from discusion of the origin of man; be only mentioned that his theory would "throw light" on this problem. This famous Darwin's phrase turned out to be one of the most succesful scientific predictions. In the present paper some of the most important recent adavnces in paleoanthroplogy, comparative genetics and evolutionary psychology are reviewed. These three disciplines currently contribute most to our knowledge of anthropogenesis. The review demonstrates that Darwin's ideas not only "threw light" on human origin and evolution; they provided a comprehensive framework for a great variety of studies concerning different aspects of anthropogenesis.

Clinical pictures of unknown origin in neurology: past, present and future usefulness of artificial intelligence.

PubMed

Conti, Andrea A; Conti, Antonio; Masoni, Marco; Gensini, Gian Franco

2005-01-01

Although, in the course of the last 50 years, the achievements in the medical field have been astonishing, at the beginning of the third millennium a number of clinical pictures are still left without a precise nosographic origin. In the past, the delay in scientific communication was the main explanation presented for the lack of understanding of clinical pictures of unknown nosographic origin. The history of medicine provides excellent examples of this dispersion of human capital, even if the history of clinical neurology presents "exceptions" (the pictures that we now call de la Tourette's syndrome and Parkinson's disease) that indicate that major clinical syndromes could be clearly detected and relatively rapidly diffused even in the 19th century. Contrary to the past, the delay in scientific communication no longer seems an obstacle to the sharing of medical knowledge. Nevertheless, the problem of the in-depth comprehension of clinical pictures of unknown nosographic origin still remains dominant, mainly because of the limited spread of ample and flexible online accessible databases of unknown nosographic origin clinical syndromes. The need for interactive electronic archives and other artificial intelligence resources in order to promote progress in clinical knowledge is discussed in this paper.

Speech pathology in ancient India--a review of Sanskrit literature.

PubMed

Savithri, S R

1987-12-01

This paper aims at highlighting the knowledge of the Sanskrit scholars of ancient times in the field of speech and language pathology. The information collected here is mainly from the Sanskrit texts written between 2000 B.C. and 1633 A.D. Some aspects of speech and language that have been dealt with in this review have been elaborately described in the original Sanskrit texts. The present paper, however, being limited in its scope, reviews only the essential facts, but not the details. The purpose is only to give a glimpse of the knowledge that the Sanskrit scholars of those times possessed. In brief, this paper is a review of Sanskrit literature for information on the origin and development of speech and language, speech production, normality of speech and language, and disorders of speech and language and their treatment.

1988 DOE model conference proceedings: Volume 5

DOE Office of Scientific and Technical Information (OSTI.GOV)

Not Available

These Proceedings of the October 3--7, 1988 DOE Model Conference are a compilation of the papers that were presented in the technical or poster sessions at the conference papers and posters not submitted for publication are not included in the Proceedings. The Table of Contents lists the titles of papers as well as the names of the presenters. These individuals are not, in all cases, the primary authors of the papers published. The actual title pages, appearing later with the papers, show the primary author(s) and all co-authors. The papers in all three volumes of the Proceedings appear as theymore » were originally submitted for publication and have not been edited or changed in any way. Topics discussed in Volume 5 include environmental assessments and program strategies, waste treatment technologies, and regulations and compliance studies.« less

Popcorn Story Frames.

ERIC Educational Resources Information Center

DiLella, Carol Ann

This paper presents "popcorn story frames"--holistic outlines that facilitate comprehension when reading and writing stories, useful for outlining stories read and for creating outlines for original student stories--that are particularly useful for elementary and intermediate school students. "Popcorn" pops in a horizontal…

Large-eddy simulation of a stratocumulus cloud

DOE Office of Scientific and Technical Information (OSTI.GOV)

Matheou, Georgios; Chung, Daniel; Teixeira, João

This paper is associated with a poster winner of a 2016 APS/DFD Gallery of Fluid Motion Award for work presented at the DFD Gallery of Fluid Motion. The original poster is available from the Gallery of Fluid Motion,

Large-eddy simulation of a stratocumulus cloud

DOE PAGES

Matheou, Georgios; Chung, Daniel; Teixeira, João

2017-09-29

This paper is associated with a poster winner of a 2016 APS/DFD Gallery of Fluid Motion Award for work presented at the DFD Gallery of Fluid Motion. The original poster is available from the Gallery of Fluid Motion,

Papers and Proceedings of the Annual Meeting of the Midwest History of Education Society (15th, Chicago, Illinois, October 26-27, 1979).

ERIC Educational Resources Information Center

Rutkowski, Edward, Ed.

1980-01-01

The papers presented cover three general themes: modern education and curriculum; the legacy of educational thought; and origins and issues in U.S. educational development. Part 1 begins with "The 'New Social Studies' and Curriculum Innovation: The Amherst Project Experience, 1959-1972" (C. E. Samec) which describes the project's…

"Discover New Worlds with Technology". Proceedings of the Annual College and University Computer Users Conference (37th, Miami, Florida, May 3-6, 1992).

ERIC Educational Resources Information Center

Miami-Dade Community Coll., FL.

This book contains 37 papers on computer use in higher education originally presented at a May, 1992, conference of college and university computer users. Most of the papers describe programs or systems implemented at particular institutions and cover the following: systems for career planning, automating purchasing and financial commitments,…

Visual Analytics and Storytelling through Video

DOE Office of Scientific and Technical Information (OSTI.GOV)

Wong, Pak C.; Perrine, Kenneth A.; Mackey, Patrick S.

2005-10-31

This paper supplements a video clip submitted to the Video Track of IEEE Symposium on Information Visualization 2005. The original video submission applies a two-way storytelling approach to demonstrate the visual analytics capabilities of a new visualization technique. The paper presents our video production philosophy, describes the plot of the video, explains the rationale behind the plot, and finally, shares our production experiences with our readers.

The role of women in sustainable energy development

DOE Office of Scientific and Technical Information (OSTI.GOV)

Cecelski, E.

This paper explores the question of how sustainable energy development--specifically, decentralized renewable energy technologies--can complement and benefit from the goal of increasing women's role in development. It is based on a paper that was originally presented at the World Renewable Energy Congress-V held in Florence, Italy, in September 1998, as a contribution to the National Renewable Energy Laboratory's program on gender and energy.

Modification of the azimuth control system in the LLMC

NASA Astrophysics Data System (ADS)

Li, Binhua; Yang, Lei; Chen, Linfei; Mao, Wei

2000-10-01

A new control system of the azimuth transmission mechanism used in the Lower Latitude Meridian Circle (LLMC) is described in this paper. Because the original azimuth transmission mechanism causes too much vibration during the transposition of the horizontal axis of the instrument, we decided to modify the original system by two ways. One is to modify the lift mechanism and the azimuth transmission mechanism. The other is to replace the original stepper motors with a new type of stepper motor. According to the requirement of the new motor and its sine subdivided microstep driver, the original control system has been modified. The new system has an expansion output board and a new control program compared with the original one. The hardware architecture of the new system is described. The program in the single chip microcontroller is written in ASM, which is composed of 10 subroutines. The program in a host PC is written in C++. The methods using in controlling motors and skills in designing these programs are discussed. Two sketch flow charts of the control program are presented in the paper. Modification of the lift mechanism is also introduced. All this works make the vibration very slight.

Psychosocial Management of Leukemias in children and Youth NIMH Report to Physicians - 2.

ERIC Educational Resources Information Center

Hersh, Stephen P.

Originally presented as a paper at a 1974 Conference on Psychiatric Problems of Childhood, the pamphlet presents a discussion of the psychosocial aspects of adjustment and management of leukemia in children and youth. The increasing length of remissions in acute lymphocytic leukemia is thought to require physicians to consider nonmedical needs of…

Research Focus: Reflections on Science Education Research Presentations at ASE 2012

ERIC Educational Resources Information Center

McGregor, Deb; Oversby, John; Woodhouse, Fiona

2012-01-01

The original call for research papers went out in the summer of 2011 and, by September, there were over thirty abstracts returned for review, from many countries including Hong Kong, Nigeria, Poland, Jamaica, Malta, the United States, Japan, Ireland and, of course, Britain. Of the proposals reviewed and accepted, 21 were finally presented at…

Chaotification of complex networks with impulsive control.

PubMed

Guan, Zhi-Hong; Liu, Feng; Li, Juan; Wang, Yan-Wu

2012-06-01

This paper investigates the chaotification problem of complex dynamical networks (CDN) with impulsive control. Both the discrete and continuous cases are studied. The method is presented to drive all states of every node in CDN to chaos. The proposed impulsive control strategy is effective for both the originally stable and unstable CDN. The upper bound of the impulse intervals for originally stable networks is derived. Finally, the effectiveness of the theoretical results is verified by numerical examples.

A Technique for Analysing Constrained Rigid-Body Systems, and Its Application to the Constraint Force Algorithm

NASA Technical Reports Server (NTRS)

Fijany, A.; Featherstone, R.

1999-01-01

This paper presents a new formulation of the Constraint Force Algorithm that corrects a major limitation in the original, and sheds new light on the relationship between it and other dynamics algoritms.

Infectious disease profiles of Syrian and Eritrean migrants presenting in Europe: A systematic review.

PubMed

Isenring, Egon; Fehr, Jan; Gültekin, Nejla; Schlagenhauf, Patricia

2018-04-24

In the past decade, a large influx of migrants presented in Europe. Their country of origin was mainly either Syria or Eritrea. Public health institutions in host countries in Europe are challenged to screen and care for migrant populations with regard to infectious diseases. We performed a systematic literature review (according to PRISMA guidelines) to define the infectious disease profile of migrants originating in Syria and Eritrea. The search resulted in 825 papers of possible relevance for infectious diseases in migrants from Syria, of which, after screening, we included 35 in the systematic review. A further 265 papers of possible relevance for infectious diseases in Eritrean migrants were screened, of which we included 27 in the systematic review. In migrants from Syria, leishmaniasis was the most frequently reported infectious disease. In addition, colonisation with drug resistant, Gram-negativ bacteria was reported. In the Eritrean migrants the infectious disease most described in the selected papers was louse-borne relapsing fever. Other frequently reported infectious diseases were scabies and Plasmodium vivax malaria. Our systematic analysis defines the profiles of infectious diseases for migrants from Syria and Eritrea and serves as an evidence base for public health screening and care of presenting migrants. Copyright © 2018 The Authors. Published by Elsevier Ltd.. All rights reserved.

On the RNG theory of turbulence

NASA Technical Reports Server (NTRS)

Lam, S. H.

1992-01-01

The Yakhot and Orszag (1986) renormalization group (RNG) theory of turbulence has generated a number of scaling law constants in reasonable quantitative agreement with experiments. The theory itself is highly mathematical, and its assumptions and approximations are not easily appreciated. The present paper reviews the RNG theory and recasts it in more conventional terms using a distinctly different viewpoint. A new formulation based on an alternative interpretation of the origin of the random force is presented, showing that the artificially introduced epsilon in the original theory is an adjustable parameter, thus offering a plausible explanation for the remarkable record of quantitative success of the so-called epsilon-expansion procedure.

Studying the complex spectral line profiles in the spectra of hot emission stars and quasars .

NASA Astrophysics Data System (ADS)

Danezis, E.; Lyratzi, E.; Antoniou, A.; Popović, L. Č.; Dimitrijević, M. S.

Some Hot Emission Stars and AGNs present peculiar spectral line profiles which are due to DACs and SACs phenomena. The origin and the mechanisms which are responsible for the creation of DACs/SACs is an important problem that has been studied by many researchers. This paper is a review of our efforts to study the origin and the mechanisms of these phenomena. At first we present a theoretic ad hoc picture for the structure of the plasma that surrounds the specific category of hot emission stars that present DACs or SACs. Then we present the mathematical model that we constructed, which is based on the properties of the above ad hoc theoretical structure. Finally, we present some results from our statistical studies that prove the consistency of our model with the classical physical theory.

Theories on anxiety in Freud and Melanie Klein. Their metapsychological status.

PubMed

De Bianchedi, E T; Scalozub De Boschan, L; De Cortiñas, L P; De Piccolo, E G

1988-01-01

This paper presents a comparative study of the theories on anxiety formulated by Freud and Melanie Klein, with particular emphasis on the questions of its origin, its meaning for the individual and its function in both theoretical systems. The purpose of this comparative analysis is to offer an instrument which helps frame the theoretical discussions in psychoanalysis in an epistemological context. The authors hold that for Freud anxiety is considered as one more amongst the various manifestations of mental life, which his general theories try to explain, whereas for Melanie Klein anxiety and its destinies occupies a central place in her theories on mental functioning. The differences in both theories, which the authors of this paper describe, especially as to origin, function and meaning of anxiety, respond partially to the different metapsychological points of view with which both authors focus mental life--points of view which they have themselves investigated in a previous paper.

Symposium on accelerator mass spectrometry

DOE Office of Scientific and Technical Information (OSTI.GOV)

None

1981-01-01

The area of accelerator mass spectrometry has expanded considerably over the past few years and established itself as an independent and interdisciplinary research field. Three years have passed since the first meeting was held at Rochester. A Symposium on Accelerator Mass Spectrometry was held at Argonne on May 11-13, 1981. In attendance were 96 scientists of whom 26 were from outside the United States. The present proceedings document the program and excitement of the field. Papers are arranged according to the original program. A few papers not presented at the meeting have been added to complete the information on themore » status of accelerator mass spectrometry. Individual papers were prepared separately for the data base.« less

A matter of degrees: A brief history of cryogenics

NASA Astrophysics Data System (ADS)

Scurlock, R. G.

1990-09-01

The inaugural lecture presented in this paper (originally presented on 20 October 1988 at the University of Southampton) is a brief history of cryogenics. It considers not only the discoveries and technological advances made from 1877 to the present day, but also the factors which prompted and promoted them. The importance of interaction between research, training and industry is noted and some potential moves for the future are mentioned.

Instructions and format of a camera-ready paper for direct photo-offset reproduction.

PubMed

Alpha, X X; Beta, Y

1983-03-01

These instructions are presented to assist you in preparing a typescript (Chomsky, 1977) which is suitable for direct photo-offset reproduction. Your manuscript (Rome and Rome, 1971) should be prepared on special paper (Freed et at., 1975) provided by the publisher. It will be photographically reproduced, whereby a reduction to 75% of its original size will be applied. Copyright © 1983. Published by Elsevier B.V.

An approach to the origin of self-replicating system. I - Intermolecular interactions

NASA Technical Reports Server (NTRS)

Macelroy, R. D.; Coeckelenbergh, Y.; Rein, R.

1978-01-01

The present paper deals with the characteristics and potentialities of a recently developed computer-based molecular modeling system. Some characteristics of current coding systems are examined and are extrapolated to the apparent requirements of primitive prebiological coding systems.

China's New National Curriculum Reform: Innovation, Challenges and Strategies

ERIC Educational Resources Information Center

Guan, Qun; Meng, Wanjin

2007-01-01

This paper presents systematically China's New National Curriculum Reform (CNNCR). It covers the background, origin, essence, goals, features, evolvement, schedule, implementation, the alignment in primary, secondary and middle schools' curricula and inter-subjects, the outcomes and the challenges and strategies of CNNCR.

Message From the Editor for Contributions to the 2010 Real Time Conference Issue of TNS

NASA Astrophysics Data System (ADS)

Schmeling, Sascha Marc

2011-08-01

The 72 papers in this special issue were originally presented at the 17th IEEE-NPSS Real Time Conference (RT2010) on Computing Applications in Nuclear and Plasma Sciences, held in Lisbon, Portugal in May 2010.

Double-tick realization of binary control program

NASA Astrophysics Data System (ADS)

Kobylecki, Michał; Kania, Dariusz

2016-12-01

This paper presents a procedure for the implementation of control algorithms for hardware-bit compatible with the standard IEC61131-3. The described transformation based on the sets of calculus and graphs, allows translation of the original form of the control program to the form in full compliance with the original, giving the architecture represented by two tick. The proposed method enables the efficient implementation of the control bits in the FPGA with the use of a standardized programming language LD.

Collected software engineering papers, volume 8

NASA Technical Reports Server (NTRS)

1990-01-01

A collection of selected technical papers produced by participants in the Software Engineering Laboratory (SEL) during the period November 1989 through October 1990 is presented. The purpose of the document is to make available, in one reference, some results of SEL research that originally appeared in a number of different forums. Although these papers cover several topics related to software engineering, they do not encompass the entire scope of SEL activities and interests. Additional information about the SEL and its research efforts may be obtained from the sources listed in the bibliography. The seven presented papers are grouped into four major categories: (1) experimental research and evaluation of software measurement; (2) studies on models for software reuse; (3) a software tool evaluation; and (4) Ada technology and studies in the areas of reuse and specification.

Computer-assisted diagnostic decision support: history, challenges, and possible paths forward.

PubMed

Miller, Randolph A

2009-09-01

This paper presents a brief history of computer-assisted diagnosis, including challenges and future directions. Some ideas presented in this article on computer-assisted diagnostic decision support systems (CDDSS) derive from prior work by the author and his colleagues (see list in Acknowledgments) on the INTERNIST-1 and QMR projects. References indicate the original sources of many of these ideas.

Proceedings of the Workshop on Microtechnologies and Applications to Space Systems

NASA Technical Reports Server (NTRS)

Wilson, B. A. (Editor)

1993-01-01

This volume serves as the Proceedings of this workshop. It contains the manuscripts provided by plenary and parallel session presenters, and summary reports generated from this material and from information presented during the panel discussions. Where manuscripts were not provided, extended abstracts, if available, have been included. The order of the papers follows the original workshop agenda.

Lean Management as an Instrument of Sustainable Development of Enterprises

NASA Astrophysics Data System (ADS)

Sikora, Marcin; Kwiatkowski, Maciej; Prosół, Hanna; Nowicka, Daria; Lorenc, Karolina; Pham, Laurena

2016-03-01

The aim of the paper is to present the philosophy of Lean Management as an instrument of improving sustainable management of enterprises. The article presents the origins, characteristics of the broadly understood concept of Lean Management and describes the idea of Sustainable Development (SD). At the same time implications for the application and development of the instruments which operationalize the assumptions of SD at the level of enterprises are discussed. The paper specifies those areas of functioning of contemporary companies in which Lean Management can be implemented and compares them with the features of traditional management in particular subjects.

The Minicourse Instructional Model.

ERIC Educational Resources Information Center

Borg, Walter R.

This paper, originally presented with a film introduction to the minicourse model, overviews the development of a series of microteaching courses designed to train teachers the specific teaching skills necessary to function effectively in the teaching-learning situation. Advantages of the instructional sequence are noted: focus on specific…

Women of Puerto Rican Origin in the Continental United States.

ERIC Educational Resources Information Center

Employment Standards Administration (DOL), Washington, DC. Women's Bureau.

This brief paper presents data on Puerto Rican women residing in the United States as of March of 1975. Information on population, age, marital status, household and family head, labor force participation, work experience, occupational, and income statistics is included. (Author/BS)

Who Needs Replication?

ERIC Educational Resources Information Center

Porte, Graeme

2013-01-01

In this paper, the editor of a recent Cambridge University Press book on research methods discusses replicating previous key studies to throw more light on their reliability and generalizability. Replication research is presented as an accepted method of validating previous research by providing comparability between the original and replicated…

The Changing Professoriate in Educational Administration. UCEA Monograph Series.

ERIC Educational Resources Information Center

Wendel, Frederick C., Ed.

This publication contains three papers originally presented at the 1991 convention of the University Council for Educational Administration (UCEA), which examine the changing professoriate in educational administration. In "The Creation of Constructive Conflict Within Educational Administration Departments," Walter H. Gmelch discusses the issues…

Applications of Reflective Practice. UCEA Monograph Series.

ERIC Educational Resources Information Center

Wendel, Frederick C., Ed.

The implications of reflective practices for educational leadership are examined in this publication, which contains three papers originally presented at the 1990 Convention of the University Council for Educational Administration. Ann Hart, Nancy Sorensen, and Kerri Naylor report on applications of reflective practice to educational…

A New On-Line Diagnosis Protocol for the SPIDER Family of Byzantine Fault Tolerant Architectures

NASA Technical Reports Server (NTRS)

Geser, Alfons; Miner, Paul S.

2004-01-01

This paper presents the formal verification of a new protocol for online distributed diagnosis for the SPIDER family of architectures. An instance of the Scalable Processor-Independent Design for Electromagnetic Resilience (SPIDER) architecture consists of a collection of processing elements communicating over a Reliable Optical Bus (ROBUS). The ROBUS is a specialized fault-tolerant device that guarantees Interactive Consistency, Distributed Diagnosis (Group Membership), and Synchronization in the presence of a bounded number of physical faults. Formal verification of the original SPIDER diagnosis protocol provided a detailed understanding that led to the discovery of a significantly more efficient protocol. The original protocol was adapted from the formally verified protocol used in the MAFT architecture. It required O(N) message exchanges per defendant to correctly diagnose failures in a system with N nodes. The new protocol achieves the same diagnostic fidelity, but only requires O(1) exchanges per defendant. This paper presents this new diagnosis protocol and a formal proof of its correctness using PVS.

Parallelization of NAS Benchmarks for Shared Memory Multiprocessors

NASA Technical Reports Server (NTRS)

Waheed, Abdul; Yan, Jerry C.; Saini, Subhash (Technical Monitor)

1998-01-01

This paper presents our experiences of parallelizing the sequential implementation of NAS benchmarks using compiler directives on SGI Origin2000 distributed shared memory (DSM) system. Porting existing applications to new high performance parallel and distributed computing platforms is a challenging task. Ideally, a user develops a sequential version of the application, leaving the task of porting to new generations of high performance computing systems to parallelization tools and compilers. Due to the simplicity of programming shared-memory multiprocessors, compiler developers have provided various facilities to allow the users to exploit parallelism. Native compilers on SGI Origin2000 support multiprocessing directives to allow users to exploit loop-level parallelism in their programs. Additionally, supporting tools can accomplish this process automatically and present the results of parallelization to the users. We experimented with these compiler directives and supporting tools by parallelizing sequential implementation of NAS benchmarks. Results reported in this paper indicate that with minimal effort, the performance gain is comparable with the hand-parallelized, carefully optimized, message-passing implementations of the same benchmarks.

CEDIMS: cloud ethical DICOM image Mojette storage

NASA Astrophysics Data System (ADS)

Guédon, Jeanpierre; Evenou, Pierre; Tervé, Pierre; David, Sylvain; Béranger, Jérome

2012-02-01

Dicom images of patients will necessarily been stored in Clouds. However, ethical constraints must apply. In this paper, a method which provides the two following conditions is presented: 1) the medical information is not readable by the cloud owner since it is distributed along several clouds 2) the medical information can be retrieved from any sufficient subset of clouds In order to obtain this result in a real time processing, the Mojette transform is used. This paper reviews the interesting features of the Mojette transform in terms of information theory. Since only portions of the original Dicom files are stored into each cloud, their contents are not reachable. For instance, we use 4 different public clouds to save 4 different projections of each file, with the additional condition that any 3 over 4 projections are enough to reconstruct the original file. Thus, even if a cloud is unavailable when the user wants to load a Dicom file, the other 3 are giving enough information for real time reconstruction. The paper presents an implementation on 3 actual clouds. For ethical reasons, we use a Dicom image spreaded over 3 public clouds to show the obtained confidentiality and possible real time recovery.

The Social Brain Is Not Enough: On the Importance of the Ecological Brain for the Origin of Language.

PubMed

Ferretti, Francesco

2016-01-01

In this paper, I assume that the study of the origin of language is strictly connected to the analysis of the traits that distinguish human language from animal communication. Usually, human language is said to be unique in the animal kingdom because it enables and/or requires intentionality or mindreading. By emphasizing the importance of mindreading, the social brain hypothesis has provided major insights within the origin of language debate. However, as studies on non-human primates have demonstrated that intentional forms of communication are already present in these species to a greater or lesser extent, I maintain that the social brain is a necessary but not a sufficient condition to explain the uniqueness of language. In this paper, I suggest that the distinctive feature of human communication resides in the ability to tell stories, and that the origin of language should be traced with respect to the capacity to produce discourses, rather than phrases or words. As narrative requires the ability to link events distant from one another in space and time, my proposal is that in order to explain the origin of language, we need to appeal to both the social brain and the ecological brain - that is, the cognitive devices which allow us to mentally travel in space and time.

An improved protocol for the preparation of total genomic DNA from isolates of yeast and mould using Whatman FTA filter papers.

PubMed

Borman, Andrew M; Fraser, Mark; Linton, Christopher J; Palmer, Michael D; Johnson, Elizabeth M

2010-06-01

Here, we present a significantly improved version of our previously published method for the extraction of fungal genomic DNA from pure cultures using Whatman FTA filter paper matrix technology. This modified protocol is extremely rapid, significantly more cost effective than our original method, and importantly, substantially reduces the problem of potential cross-contamination between sequential filters when employing FTA technology.

Reply to "Comment to a paper of M. Villata on antigravity"

NASA Astrophysics Data System (ADS)

Villata, M.

2012-01-01

In this short paper we reply to the Comment by M.J.T.F. Cabbolet on Villata's theory of antigravity. The criticisms of methodological and ontological kind presented by that author come from a misinterpretation of some concepts, perhaps due to some lack of clarity or omission of details in Villata's original article. In order to clarify these points, here we provide additional explanations regarding the assumptions and results of the theory.

National Conference for College and University Safety Educators Association (First, Central Missouri State University, Warrensburg, August 16-17, 1975). Sefety Monographs for Schools and Colleges No. 36.

ERIC Educational Resources Information Center

Green, Jack N., Ed.

This publication is a compilation of five papers that were originally presented at the 1975 National Conference of the College and University Safety Educators Association. Most of the booklet consists of the text of these papers; also included are a copy of the conference agenda and a complete roster of conference participants. The five papers…

Some new ideas for the study of the complex spectral line profiles of hot emission stars and quasars

NASA Astrophysics Data System (ADS)

Danezis, E.

2013-01-01

Some Hot Emission Stars and AGNs present peculiar spectral line profiles which are due to DACs and SACs phenomena. The origin and the mechanisms which are responsible for the creation of DACs/SACs is an important problem that has been studied by many researchers. This paper is a review of our efforts to study the origin and the mechanisms of these phenomena. At first we present a theoretic ad hoc picture for the structure of the plasma that surrounds the specific category of hot emission stars that present DACs or SACs. Then we present the mathematical model that we constructed, which is based on the properties of the above ad hoc theoretical structure. Finally, we present some results from our statistical studies that prove the consistency of our model with the classical physical theory.

Biomedical and Health Informatics Education – the IMIA Years

PubMed Central

2016-01-01

Summary Objective This paper presents the development of medical informatics education during the years from the establishment of the International Medical Informatics Association (IMIA) until today. Method A search in the literature was performed using search engines and appropriate keywords as well as a manual selection of papers. The search covered English language papers and was limited to search on papers title and abstract only. Results The aggregated papers were analyzed on the basis of the subject area, origin, time span, and curriculum development, and conclusions were drawn. Conclusions From the results, it is evident that IMIA has played a major role in comparing and integrating the Biomedical and Health Informatics educational efforts across the different levels of education and the regional distribution of educators and institutions. A large selection of references is presented facilitating future work on the field of education in biomedical and health informatics. PMID:27488405

NACA Conference on Some Problems of Aircraft Operation: A Compilation of the Papers Presented

NASA Technical Reports Server (NTRS)

1950-01-01

This volume contains copies of the technical papers presented at the NACA Conference on Some Problems of Aircraft Operation on October 9 and 10, 1950 at the Lewis Flight Propulsion Laboratory. This conference was attended by members of the aircraft industry and military services. The original presentation and this record are considered as complementary to, rather than as substitutes for, the Committee's system of complete and formal reports. A list of the conferees is included. [Contents include four subject areas: Atmospheric Turbulence and its Effect on Aircraft Operation; Some Aspects of Aircraft Safety - Icing, Ditching and Fire; Aerodynamic Considerations for High-Speed Transport Airplanes; Propulsion Considerations for High-Speed Transport Airplanes.

Comment on 'Origin of light-induced states in intense laser fields and their observability in photoelectron spectra'

DOE Office of Scientific and Technical Information (OSTI.GOV)

Stroe, Marius; Boca, Malina

2005-01-01

We report discrepancies between the results presented in Fig. 1 of a recent paper of Yasuike and Someda [Phys. Rev. A 66, 053410 (2002)] and our independent calculation. At the frequency {omega}=0.55 a.u., we find that the state of the one-dimensional modified Poeschl-Teller potential, described by the authors as light induced and originating from a shadow of the field-free ground state, is in fact physical for {alpha}{sub 0}<10 a.u. and its origin is the zero-energy antibound state of the bare potential. For {omega}=0.45 a.u., we also find differences in one of the presented quasienergy trajectories in the low {alpha}{sub 0}more » region ({alpha}{sub 0}<0.4 a.u.), but we confirm the starting point at E=-0.5 a.u. for both quasienergies, as found by Yasuike and Someda.« less

Sixth Symposium on Chemical Evolution and the Origin and Evolution of Life

NASA Technical Reports Server (NTRS)

Acevedo, Sara (Editor); DeVincenzi, Donald L. (Editor); Chang, Sherwood (Editor)

1998-01-01

The 6th Symposium on Chemical Evolution and the Origin and Evolution of Life was convened at NASA Ames Research Center, November 17-20, 1997. This Symposium is convened every three years under the auspices of NASA's Exobiology Program Office. All Principal Investigators funded by this Program present their most recent research accomplishments at the Symposium. Scientific papers were presented in the following areas: cosmic evolution of the biogenic elements, prebiotic evolution (both planetary and chemical), evolution of early organisms and evolution of organisms in extreme environments, solar system exploration, and star and planet formation. The Symposium was attended by over 200 scientists from NASA centers and Universities nationwide.

Scientific production of Brazilian dermatology: analysis of abstracts submitted at the Annual Meeting of the American Academy of Dermatology (2005 to 2013) and those eventually published*

PubMed Central

Holmo, Nicole França; Orasmo, Cinthia Rosane; Marques, Silvio Alencar

2016-01-01

In the last decade the presence of Brazilian physicians in International Meetings of Dermatology has been expressive. In parallel it has also been expressive the submission of poster abstracts in those Meetings. Considering the meetings from 2005 to 2013, 379 posters were presented in meetings of the American Academy of Dermatology. Brazilian universities were the origin of 59.9%. The Brazilian Society of Dermatology's recognized residency programs were the origin of 69.9% of the presented posters. Considering the period from 2005 to 2010 (n = 165 posters) the papers effectively published were 19 (11.5%). PMID:28099621

Original analytic solution of a half-bridge modelled as a statically indeterminate system

NASA Astrophysics Data System (ADS)

Oanta, Emil M.; Panait, Cornel; Raicu, Alexandra; Barhalescu, Mihaela

2016-12-01

The paper presents an original computer based analytical model of a half-bridge belonging to a circular settling tank. The primary unknown is computed using the force method, the coefficients of the canonical equation being calculated using either the discretization of the bending moment diagram in trapezoids, or using the relations specific to the polygons. A second algorithm based on the method of initial parameters is also presented. Analyzing the new solution we came to the conclusion that most of the computer code developed for other model may be reused. The results are useful to evaluate the behavior of the structure and to compare with the results of the finite element models.

Solar Wind Eight: Proceedings of the Eighth International Solar Wind Conference. Proceedings

DOE Office of Scientific and Technical Information (OSTI.GOV)

Winterhalter, D.; Gosling, J.T.; Habbal, S.R.

1997-06-01

These proceedings represent papers presented at the eighth international solar wind conference held at the Dana Point Resort, California. The conference was sponsored by the National Aeronautics and Space Administration(NASA), the National Science Foundation(NSF) and the Committee on space Research (COSPAR). The proceedings from this conference reflected the state of the art of solar wind research: its origin at the sun, the transport through the solar system, and its ultimate fate at the heliocentric boundaries. There were one hundred and seventy eight papers presented and nineteen papers for which the research was sponsored by the US Department of Energy havemore » been abstracted for the Energy Science and Technology database.(AIP)« less

Concurrent analysis of choice and control in childbirth

PubMed Central

2011-01-01

Background This paper reports original research on choice and control in childbirth. Eight women were interviewed as part of a wider investigation into locus of control in women with pre-labour rupture of membranes at term (PROM) [1]. Methods The following study uses concurrent analysis to sample and analyse narrative aspects of relevant literature along with these interviews in order to synthesise a generalisable analysis of the pertinent issues. The original PROM study had found that women experienced a higher degree of control in hospital, a finding that appeared at odds with contemporary notions of choice. However, this paper contextualises this finding by presenting narratives that lucidly subscribe to the dominant discourse of hospital as the safest place to give birth, under the premise of assuring a live healthy baby irrespective of their management type. Results This complex narrative is composed of the following themes: 'perceiving risk', 'being prepared', 'reflecting on experience', maintaining control' and relinquishing control'. These themes are constructed within and around the medical, foetocentric, risk averse cultural context. Primary data are presented throughout to show the origins and interconnected nature of these themes. Conclusions Within this context it is clear that there is a highly valued role for competent health professionals that respect, understand and are capable of facilitating genuine choice for women. PMID:21631910

[System for automating primary examinations of the public in a polyclinic].

PubMed

Drozhzhin, V M; Orlov, A Iu; Polkovnikov, V D; Rukavishnikov, V D; Isaĭkin, V A

1984-01-01

Presented in the paper is an automated system for original examinations of population in a typical outpatient clinic. Main functional parameters and specifications are given. The system is capable of managing the data basis for the region with population of 50 000 inhabitants.

Learning Disabilities: An Interdisciplinary Perspective.

ERIC Educational Resources Information Center

Zollinger, Ruth H., Ed.; Klein, Nancy K., Ed.

Presented are six papers originally delivered at a colloquium series on the problems of the learning disabled child, with emphasis on a multidisciplinary perspective. In "One Psychologist's Perspective on Learning Disabilities," J. Kessler provides an overview of the field with sections on definition and identification, etiology, testing as a…

The Children's Book Showcase, 1976.

ERIC Educational Resources Information Center

Children's Book Council, New York, NY.

The Children's Book Council of New York presents outstanding books for 1976 in the Children's Book Showcase 1976 catalog. Selection criteria place heavy emphasis on illustration, typography, layout, binding, paper, printing, and reproduction, with vitality and originality also considered. The two-page spread for each of the 28 selections contains…

The Internet Culture: Transitions and Problems.

ERIC Educational Resources Information Center

Weiner, Robert G.

Originally begun as a government-sponsored project for scientists, engineers, and military personnel to exchange information with great speed and efficiency, the Internet has become a virtual community, an online culture arisen from the depths of computerized networking and communication. This paper presents positive and negative aspects of the…

Educational Infrastructure Using Virtualization Technologies: Experience at Kaunas University of Technology

ERIC Educational Resources Information Center

Miseviciene, Regina; Ambraziene, Danute; Tuminauskas, Raimundas; Pažereckas, Nerijus

2012-01-01

Many factors influence education nowadays. Educational institutions are faced with budget cuttings, outdated IT, data security management and the willingness to integrate remote learning at home. Virtualization technologies provide innovative solutions to the problems. The paper presents an original educational infrastructure using virtualization…

The Journal of Educational Relations, 1997.

ERIC Educational Resources Information Center

Holliday, Albert E., Ed.; Holliday, Joan M., Ed.

1997-01-01

This document consists of four issues of the "Journal of Educational Relations" published quarterly during 1997, and devoted to promoting student achievement through positive school-home-community relationships. The first issue of this volume reprints papers originally presented at a 1967 conference cosponsored by Project Public Information and…

An exact sum-rule for the Hubbard model: an historical/pedagogical approach

NASA Astrophysics Data System (ADS)

Di Matteo, S.; Claveau, Y.

2017-07-01

The aim of the present article is to derive an exact integral equation for the Green function of the Hubbard model through an equation-of-motion procedure, like in the original Hubbard papers. Though our exact integral equation does not allow to solve the Hubbard model, it represents a strong constraint on its approximate solutions. An analogous sum rule has been already obtained in the literature, through the use of a spectral moment technique. We think however that our equation-of-motion procedure can be more easily related to the historical procedure of the original Hubbard papers. We also discuss examples of possible applications of the sum rule and propose and analyse a solution, fulfilling it, that can be used for a pedagogical introduction to the Mott-Hubbard metal-insulator transition.

Is it all worth it? The experiences of new PhDs on the job market, 2007-10.

PubMed

McFall, Brooke Helppie; Murray-Close, Marta; Willis, Robert J; Chen, Uniko

This paper describes the job market experiences of new PhD economists, 2007-10. Using information from PhD programs' job candidate websites and original surveys, the authors present information about job candidates' characteristics, preferences and expectations; how job candidates fared at each stage of the market; and predictors of outcomes at each stage. Some information presented in this paper updates findings of prior studies. However, design features of the data used in this paper may result in more generalizable findings. This paper is unique in comparing pre-market expectations and preferences with post-market outcomes on the new PhD job market. It shows that outcomes tend to align with pre-market preferences, and candidates' expectations are somewhat predictive of their outcomes. Several analyses also shed light on sub-group differences.

Thermal neutral format based on the step technology

NASA Technical Reports Server (NTRS)

Almazan, P. Planas; Legal, J. L.

1995-01-01

The exchange of models is one of the most serious problems currently encountered in the practice of spacecraft thermal analysis. Essentially, the problem originates in the diversity of computing environments that are used across different sites, and the consequent proliferation of native tool formats. Furthermore, increasing pressure to reduce the development's life cycle time has originated a growing interest in the so-called spacecraft concurrent engineering. In this context, the realization of the interdependencies between different disciplines and the proper communication between them become critical issues. The use of a neutral format represents a step forward in addressing these problems. Such a means of communication is adopted by consensus. A neutral format is not directly tied to any specific tool and it is kept under stringent change control. Currently, most of the groups promoting exchange formats are contributing with their experience to STEP, the Standard for Exchange of Product Model Data, which is being developed under the auspices of the International Standards Organization (ISO 10303). This paper presents the different efforts made in Europe to provide the spacecraft thermal analysis community with a Thermal Neutral Format (TNF) based on STEP. Following an introduction with some background information, the paper presents the characteristics of the STEP standard. Later, the first efforts to produce a STEP Spacecraft Thermal Application Protocol are described. Finally, the paper presents the currently harmonized European activities that follow up and extend earlier work on the area.

Comets and the origin of life; Proceedings of the Fifth College Park Colloquium on Chemical Evolution, University of Maryland, College Park, MD, October 29-31, 1980

NASA Technical Reports Server (NTRS)

Ponnamperuma, C.

1981-01-01

Papers are presented concerning the characteristics of comets and their possible role in the origin of life. Specific topics include the characteristics, origin and structure of the cometary nucleus, cometary chemical abundances, the nature of interplanetary dust and its entry into terrestrial planet atmospheres, and the mechanism of ray closure in comet tails. Attention is also given to chemically evolved interstellar dust as a source of prebiotic material, the relation of comets to paleoatmospheric photochemistry, comets as a vehicle for panspermia, limits to life posed by extreme environments, and the status of cometary space missions as of 1980.

On initial steps of chemical prebiotic evolution: Triggering autocatalytic reaction of oligomerization

NASA Astrophysics Data System (ADS)

Bartsev, S. I.; Mezhevikin, V. V.

2008-12-01

Searching for extraterrestrial life attracts more and more attention. However this searching hardly can be effective without sufficiently universal concept of life origin, which incidentally tackles a problem of origin of life on the Earth. A concept of initial stages of life origin is stated in the paper. The concept eliminates key difficulties in the problem of life origin, and allows experimental verification of it. According to the concept the predecessor of living beings has to be sufficiently simple to provide non-zero probability of self-assembling during short (in geological or cosmic scale) time. In addition the predecessor has to be capable of autocatalysis, and further complication (evolution). A possible scenario of initial stage of life origin, which can be realized both on other planets, and inside experimental facility is considered. In the scope of the scenario a theoretical model of multivariate oligomeric autocatalyst is presented. Results of computer simulation of two versions of oligomeric autocatalytic reactions are presented. It is shown that the contribution of monomer activation reaction is essential, and in some cases autocatalysis in polymerizing reaction can be achieved without catalyzing proper monomer binding reaction.

Development of a NEW Vector Magnetograph at Marshall Space Flight Center

NASA Technical Reports Server (NTRS)

West, Edward; Hagyard, Mona; Gary, Allen; Smith, James; Adams, Mitzi; Rose, M. Franklin (Technical Monitor)

2001-01-01

This paper will describe the Experimental Vector Magnetograph that has been developed at the Marshall Space Flight Center (MSFC). This instrument was designed to improve linear polarization measurements by replacing electro-optic and rotating waveplate modulators with a rotating linear analyzer. Our paper will describe the motivation for developing this magnetograph, compare this instrument with traditional magnetograph designs, and present a comparison of the data acquired by this instrument and original MSFC vector magnetograph.

The Rise and Fall of Adult Education Institutions and Social Movements: Proceedings of the International Conference on the History of Adult Education (7th, Dundee, Scotland, July 12-16, 1998). Studies in Pedagogy, Andragogy, and Gerontagogy.

ERIC Educational Resources Information Center

Cooke, Anthony, Ed.; MacSween, Ann, Ed.

This book, which focuses on the relationship between adult education institutions and social movements, contains 31 papers originally presented at a 1998 conference on the history of adult education. Following an Introduction (Cooke), the papers are: Mobilisation, Popular Participation and Sustainable Development: Themes in the Recent History of…

Student Misbehaviour in Secondary Education: Greek Teachers' Views and Attitudes

ERIC Educational Resources Information Center

Koutrouba, Konstantina

2013-01-01

The present paper examines Greek secondary education teachers' views on and attitudes towards in-classroom students' misbehaviour. Eight hundred and sixty-nine participants provided information, firstly, on the frequency and the forms of in-class misbehaviour incidents, secondly, on their beliefs about the origins of students' misbehaviour, and,…

A Study of Verbal and Nonverbal Communication in Second Life--The ARCHI21 Experience

ERIC Educational Resources Information Center

Wigham, Ciara R.; Chanier, Thierry

2013-01-01

Three-dimensional synthetic worlds introduce possibilities for nonverbal communication in computer-mediated language learning. This paper presents an original methodological framework for the study of multimodal communication in such worlds. It offers a classification of verbal and nonverbal communication acts in the synthetic world "Second…

Putting Research to Work in Your School.

ERIC Educational Resources Information Center

Berliner, David C.; Casanova, Ursula

This volume examines and discusses educational research and its application. A collection of abridged and edited versions of original research reports is presented, intended to help teachers use research findings to inform their own practice. The research papers bring teaching methods and resources up to date; discuss the learning potential of…

Seeking the Profile of an Elementary Educator: Phase III.

ERIC Educational Resources Information Center

Arth, Alfred A.; And Others

This paper presents the third phase of a student-faculty investigation seeking the profile of the elementary school teacher. Phase I discovered an indication of different personality traits in elementary and secondary teachers. Phase II redesigned the original questionnaire and supported the findings with additional research. This third phase…

Computer-Assisted Learning in Language Arts

ERIC Educational Resources Information Center

Serwer, Blanche L.; Stolurow, Lawrence M.

1970-01-01

A description of computer program segments in the feasibility and development phase of Operationally Relevant Activities for Children's Language Experience (Project ORACLE); original form of this paper was prepared by Serwer for presentation to annual meeting of New England Research Association (1st, Boston College, June 5-6, 1969). (Authors/RD)

Evaluating Perry's Structured Approach for Professional Doctorate Theses

ERIC Educational Resources Information Center

Charles, Michael; Farr-Wharton, Ben; von der Heidt, Tania; Sheldon, Neroli

2017-01-01

Purpose: The purpose of this paper is to investigate examiner reactions to doctorate of business administration (DBA) theses at an Australian university applying Perry's structured approach to thesis presentation, which had its origin in the marketing discipline, but is now widely applied to other business disciplines. Design/methodology/approach:…

Coupled Rolling Motion: A Student Project in Non-Holonomic Mechanics

ERIC Educational Resources Information Center

Janova, Jitka; Musilova, Jana; Bartos, Jiri

2009-01-01

This paper presents an original undergraduate student project in theoretical mechanics: a demonstration of theory and experiment agreement inspired by a recently theoretically treated mechanical problem of coupled rolling motion of two cylinders. The problem of a mechanical system subjected to non-holonomic constraints is theoretically and…

Mathematical Problem Solving. Issues in Research.

ERIC Educational Resources Information Center

Lester, Frank K., Jr., Ed.; Garofalo, Joe, Ed.

This set of papers was originally developed for a conference on Issues and Directions in Mathematics Problem Solving Research held at Indiana University in May 1981. The purpose is to contribute to the clear formulation of the key issues in mathematical problem-solving research by presenting the ideas of actively involved researchers. An…

American Educational History Journal, 2001.

ERIC Educational Resources Information Center

Watras, Joseph, Ed.

2001-01-01

This 2001 annual publication contains 31 articles on topics germane to the history of education. Each year, this journal publishes papers presented at the annual meeting of the Midwest History of Education Society. After the "Introduction" (R. J. Taggart) articles in this year's issue are: "Origins of the American Federation of…

Synthesis of Discipline-Based Education Research in Physics

ERIC Educational Resources Information Center

Docktor, Jennifer L.; Mestre, José P.

2014-01-01

This paper presents a comprehensive synthesis of physics education research at the undergraduate level. It is based on work originally commissioned by the National Academies. Six topical areas are covered: (1) conceptual understanding, (2) problem solving, (3) curriculum and instruction, (4) assessment, (5) cognitive psychology, and (6) attitudes…

Second Symposium on Chemical Evolution and the Origin of Life

NASA Technical Reports Server (NTRS)

Devincenzi, D. L. (Editor); model. (Editor)

1986-01-01

Recent findings by NASA Exobiology investigators are reported. Scientific papers are presented in the following areas: cosmic evolution of biogenic compounds, prebiotic evolution (planetary and molecular), early evolution of life (biological and geochemical), evolution of advanced life, solar system exploration, and the Search for Extraterrestrial Intelligence (SETI).

Exploring Youth Cultures Geographically through Active Learning

ERIC Educational Resources Information Center

Chacko, Elizabeth

2005-01-01

This paper presents strategies for actively involving students in studying cultural geography through a research project on youth cultures. It provides a basic framework to investigate selected "subcultures" focusing on the origin and diffusion of each culture, its material and non-material aspects and the attributes and meanings of spaces used by…

Innovations in Teaching Adults: Proven Practices in Higher Education.

ERIC Educational Resources Information Center

Kirstein, Kurt D., Ed.; Schieber, Craig E., Ed.; Flores, Kelly A., Ed.; Olswang, Steven G., Ed.

2013-01-01

In the rapidly changing world of higher education, innovative approaches to teaching adults are needed to drive instructional practices for helping to prepare the professionals of the future. The papers collected in "Innovations in Teaching Adults" were originally presented at a conference at City University of Seattle. The authors of…

Integrating an Automatic Judge into an Open Source LMS

ERIC Educational Resources Information Center

Georgouli, Katerina; Guerreiro, Pedro

2011-01-01

This paper presents the successful integration of the evaluation engine of Mooshak into the open source learning management system Claroline. Mooshak is an open source online automatic judge that has been used for international and national programming competitions. although it was originally designed for programming competitions, Mooshak has also…

Suggestopaedia-Canada.

ERIC Educational Resources Information Center

Racle, Gabriel

This issue presents an English translation and the original French version of the text of a speech delivered by Dr. Georgui Lozanov at the First International Congress of Hypnopaedia and Suggesto-hypnopaedia in Paris on May 29-30, 1976. The paper is entitled "A General Theory of Suggestion in the Communications Process and the Activation of…

Information Seeking Behaviour of Mathematicians: Scientists and Students

ERIC Educational Resources Information Center

Sapa, Remigiusz; Krakowska, Monika; Janiak, Malgorzata

2014-01-01

Introduction: The paper presents original research designed to explore and compare selected aspects of the information seeking behaviour of mathematicians (scientists and students) on the Internet. Method: The data were gathered through a questionnaire distributed at the end of 2011 and in January 2012. Twenty-nine professional mathematicians and…

The Vroom and Yetton Normative Leadership Model Applied to Public School Case Examples.

ERIC Educational Resources Information Center

Sample, John

This paper seeks to familiarize school administrators with the Vroom and Yetton Normative Leadership model by presenting its essential components and providing original case studies for its application to school settings. The five decision-making methods of the Vroom and Yetton model, including two "autocratic," two…

Global Change and Forestry: Socioeconomic Studies from the 1994 SOFEW Meeting

Treesearch

Joseph E. de Steiguer; [Technical Editor

1995-01-01

The five papers in this book were originally presented at the 1994 Southern Forest Economic Workers meeting. They discuss the socioeconomic aspect of global climate change on forests. The research represented by the studies will assist decision makers in the formulation of policies concerening global climate change.

Excelsior: Leadership in Teaching and Learning. Volume 1, Number 1, Fall/Winter 2006

ERIC Educational Resources Information Center

Lassonde, Cynthia A., Ed.

2006-01-01

"Excelsior: Leadership in Teaching and Learning" provides a forum to explore issues related to teaching and learning at public and independent colleges and universities with programs in teacher preparation. "Excelsior" solicits original, thought-provoking manuscripts of various formats, including papers presenting research on issues and practices…

The Metaphor of the Triangle in Theories of Human Development

ERIC Educational Resources Information Center

Zittoun, Tania; Gillespie, Alex; Cornish, Flora; Psaltis, Charis

2007-01-01

Developmental psychologists have a long history of using triangle metaphors to conceptualise the social constitution of psychological development. In this paper, we present a genealogy of triadic theories, to clarify their origins, distinctions between them, and to identify key themes for theoretical development. The analysis identifies three core…

Forum: Crafting the Introductory Course in Religious Studies

ERIC Educational Resources Information Center

McCutcheon, Russell T.; Hollander, Aaron T.; Durdin, Andrew F.; Gardner, Kelli A.; Miller, Adam T.; Crews, Emily D.

2016-01-01

This series of short essays considers the complex choices and decision-making processes of instructors preparing to teach, and continuing to teach, introductory courses in religious studies. In a paper originally presented in the University of Chicago's "The Craft of Teaching in the Academic Study of Religion" series, Russell McCutcheon…

Beyond the American Context

ERIC Educational Resources Information Center

Papierno, Paul B.; Ceci, Stephen J.

2005-01-01

This paper presents replies to Raven's comment on Papierno and Ceci's original article. The authors agree with Raven's contention that the goals of some interventions (targeted or universalized) are consistent with an outcome that one society (or even a subgroup of that society) has defined as favorable. And it is certainly true that each society…

Second Symposium on Chemical Evolution and the Origin of Life

DOE Office of Scientific and Technical Information (OSTI.GOV)

Devincenzi, D.L.; Dufour, P.A.

1986-05-01

Recent findings by NASA Exobiology investigators are reported. Scientific papers are presented in the following areas: cosmic evolution of biogenic compounds, prebiotic evolution (planetary and molecular), early evolution of life (biological and geochemical), evolution of advanced life, solar system exploration, and the Search for Extraterrestrial Intelligence (SETI).

The origins of the universe: why is there something rather than nothing?

PubMed

Paulson, Steve; Albert, David; Holt, Jim; Turok, Neil

2015-12-01

Perhaps the greatest mystery is why the universe exists in the first place. How is it possible for something to emerge from nothing, or has a universe in some form always existed? This question of origins-both of the universe as a whole and of the fundamental laws of physics-raises profound scientific, philosophical, and religious questions, culminating in the most basic existential question of all: Why are we here? Discussion of this and related questions is presented in this paper. © 2015 New York Academy of Sciences.

Brain organization and the origin of insects: an assessment

PubMed Central

Strausfeld, Nicholas James

2009-01-01

Within the Arthropoda, morphologies of neurons, the organization of neurons within neuropils and the occurrence of neuropils can be highly conserved and provide robust characters for phylogenetic analyses. The present paper reviews some features of insect and crustacean brains that speak against an entomostracan origin of the insects, contrary to received opinion. Neural organization in brain centres, comprising olfactory pathways, optic lobes and a central neuropil that is thought to play a cardinal role in multi-joint movement, support affinities between insects and malacostracan crustaceans. PMID:19324805

Notes on the origins of the Educational Terms Class and Curriculum. Discussion Paper.

ERIC Educational Resources Information Center

Hamilton, David; And Others

This paper examines the origins of the two educational terms--class and curriculum. The authors believe that an understanding of the origins of key words in education may contribute not only to the history of education but also to the wider development of educational theory. The paper argues that the emergence of classes (in the modern sense)…

Families of transposable elements, population structure and the origin of species.

PubMed

Jurka, Jerzy; Bao, Weidong; Kojima, Kenji K

2011-09-19

Eukaryotic genomes harbor diverse families of repetitive DNA derived from transposable elements (TEs) that are able to replicate and insert into genomic DNA. The biological role of TEs remains unclear, although they have profound mutagenic impact on eukaryotic genomes and the origin of repetitive families often correlates with speciation events. We present a new hypothesis to explain the observed correlations based on classical concepts of population genetics. The main thesis presented in this paper is that the TE-derived repetitive families originate primarily by genetic drift in small populations derived mostly by subdivisions of large populations into subpopulations. We outline the potential impact of the emerging repetitive families on genetic diversification of different subpopulations, and discuss implications of such diversification for the origin of new species. Several testable predictions of the hypothesis are examined. First, we focus on the prediction that the number of diverse families of TEs fixed in a representative genome of a particular species positively correlates with the cumulative number of subpopulations (demes) in the historical metapopulation from which the species has emerged. Furthermore, we present evidence indicating that human AluYa5 and AluYb8 families might have originated in separate proto-human subpopulations. We also revisit prior evidence linking the origin of repetitive families to mammalian phylogeny and present additional evidence linking repetitive families to speciation based on mammalian taxonomy. Finally, we discuss evidence that mammalian orders represented by the largest numbers of species may be subject to relatively recent population subdivisions and speciation events. The hypothesis implies that subdivision of a population into small subpopulations is the major step in the origin of new families of TEs as well as of new species. The origin of new subpopulations is likely to be driven by the availability of new biological niches, consistent with the hypothesis of punctuated equilibria. The hypothesis also has implications for the ongoing debate on the role of genetic drift in genome evolution.

Adaptive Grid Generation for Numerical Solution of Partial Differential Equations.

DTIC Science & Technology

1983-12-01

numerical solution of fluid dynamics problems is presented. However, the method is applicable to the numer- ical evaluation of any partial differential...emphasis is being placed on numerical solution of the governing differential equations by finite difference methods . In the past two decades, considerable...original equations presented in that paper. The solution of the second problem is more difficult. 2 The method of Thompson et al. provides control for

The Company and Its Role in the Production of Qualifications: The Constitution and Development of Middle-Level Qualifications in Germany and France--A Comparison.

ERIC Educational Resources Information Center

CEDEFOP Flash, 1990

1990-01-01

This paper summarizes a conference on the development of midlevel technical personnel in Germany and France. The proceedings of the conference were divided into five presentations: (1) an introduction to the subject of the project and the conference; (2) a comparative presentation of the origins and development of educational training routes in…

Adaptation: a contemporary view, revisiting Crichton-Miller's 1925 paper.

PubMed

Music, Graham

2016-03-01

In this paper I discuss a contemporary 'take' on the concept of adaptation in light of Crichton-Miller's original 1926 paper. I look briefly at some of the ways that contemporary thinking is both similar to and different from ideas of 90 years ago. In particular I think about how recent neurobiological findings, epigenetic research and attachment theory have cast new light on our understanding of the ways humans adapt to social and emotional environments. It looks at how psychiatric presentations which are seen as maladaptive might well have an adaptive origin in early life. In this account I emphasise how a more modern version of evolutionary theory can be developed, particularly one influenced by life history theory, and suggest that such ideas have powerful explanatory power as well as being based solidly in good research. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/

Spatio-Temporal Mining of PolSAR Satellite Image Time Series

NASA Astrophysics Data System (ADS)

Julea, A.; Meger, N.; Trouve, E.; Bolon, Ph.; Rigotti, C.; Fallourd, R.; Nicolas, J.-M.; Vasile, G.; Gay, M.; Harant, O.; Ferro-Famil, L.

2010-12-01

This paper presents an original data mining approach for describing Satellite Image Time Series (SITS) spatially and temporally. It relies on pixel-based evolution and sub-evolution extraction. These evolutions, namely the frequent grouped sequential patterns, are required to cover a minimum surface and to affect pixels that are sufficiently connected. These spatial constraints are actively used to face large data volumes and to select evolutions making sense for end-users. In this paper, a specific application to fully polarimetric SAR image time series is presented. Preliminary experiments performed on a RADARSAT-2 SITS covering the Chamonix Mont-Blanc test-site are used to illustrate the proposed approach.

Documenting the Physical Universe:Preserving the Record of SLAC from 1962 to 2005

DOE Office of Scientific and Technical Information (OSTI.GOV)

Deken, Jean Marie; /SLAC

2006-03-10

Since 1905, Albert Einstein's ''miraculous year'', modern physics has advanced explosively. In 2005, the World Year of Physics, a session at the SAA Annual meeting discusses three institutional initiatives--Einstein's collected papers, an international geophysical program, and a research laboratory--to examine how physics and physicists are documented and how that documentation is being collected, preserved, and used. This paper provides a brief introduction to the research laboratory (SLAC), discusses the origins of the SLAC Archives and History Office, its present-day operations, and the present and future challenges it faces in attempting to preserve an accurate historical record of SLAC's activities.

[Coping in children and adolescents with migrant origin].

PubMed

Eschenbeck, Heike; Zierau, Cornelia; Brunner, Maria; Kohlmann, Carl-Walter

2011-01-01

Children and adolescents of migrant origin often have disadvantages regarding education opportunities and health. This paper reports on the extra-curricular "Special Instruction Project for Children and Adolescents of Migrant Origin'", launched by the Stiftung Mercator and administered in Schwäbisch Gmünd. The project aims to improve education opportunities for children and adolescents of migrant origin by providing language and subject support. During the years 2006 to 2008 full-time holiday courses were realized in addition to the weekly subject instructions in German, Mathematics and English. In these holiday schools creative, sportive and health promoting aspects were integrated in language support. In terms of resource promotion and empowerment a module on stress and coping was developed and realized in the holiday courses. This module on stress and coping in context of the language support project is presented and discussed.

Collected software engineering papers, volume 9

NASA Technical Reports Server (NTRS)

1991-01-01

This document is a collection of selected technical papers produced by participants in the Software Engineering Laboratory (SEL) from November 1990 through October 1991. The purpose of the document is to make available, in one reference, some results of SEL research that originally appeared in a number of different forums. This is the ninth such volume of technical papers produced by the SEL. Although these papers cover several topics related to software engineering, they do not encompass the entire scope of SEL activities and interests. For the convenience of this presentation, the eight papers contained here are grouped into three major categories: (1) software models studies; (2) software measurement studies; and (3) Ada technology studies. The first category presents studies on reuse models, including a software reuse model applied to maintenance and a model for an organization to support software reuse. The second category includes experimental research methods and software measurement techniques. The third category presents object-oriented approaches using Ada and object-oriented features proposed for Ada. The SEL is actively working to understand and improve the software development process at GSFC.

Data structures supporting multi-region adaptive isogeometric analysis

NASA Astrophysics Data System (ADS)

Perduta, Anna; Putanowicz, Roman

2018-01-01

Since the first paper published in 2005 Isogeometric Analysis (IGA) has gained strong interest and found applications in many engineering problems. Despite the advancement of the method, there are still far fewer software implementations comparing to Finite Element Method. The paper presents an approach to the development of data structures that can support multi-region IGA with local mesh refinement (patch-based) and possible application in IGA-FEM models. The purpose of this paper is to share original design concepts, that authors have created while developing an IGA package, which other researchers may find beneficial for their own simulation codes.

[Determination of wine original regions using information fusion of NIR and MIR spectroscopy].

PubMed

Xiang, Ling-Li; Li, Meng-Hua; Li, Jing-Mingz; Li, Jun-Hui; Zhang, Lu-Da; Zhao, Long-Lian

2014-10-01

Geographical origins of wine grapes are significant factors affecting wine quality and wine prices. Tasters' evaluation is a good method but has some limitations. It is important to discriminate different wine original regions quickly and accurately. The present paper proposed a method to determine wine original regions based on Bayesian information fusion that fused near-infrared (NIR) transmission spectra information and mid-infrared (MIR) ATR spectra information of wines. This method improved the determination results by expanding the sources of analysis information. NIR spectra and MIR spectra of 153 wine samples from four different regions of grape growing were collected by near-infrared and mid-infrared Fourier transform spe trometer separately. These four different regions are Huailai, Yantai, Gansu and Changli, which areall typical geographical originals for Chinese wines. NIR and MIR discriminant models for wine regions were established using partial least squares discriminant analysis (PLS-DA) based on NIR spectra and MIR spectra separately. In PLS-DA, the regions of wine samples are presented in group of binary code. There are four wine regions in this paper, thereby using four nodes standing for categorical variables. The output nodes values for each sample in NIR and MIR models were normalized first. These values stand for the probabilities of each sample belonging to each category. They seemed as the input to the Bayesian discriminant formula as a priori probability value. The probabilities were substituteed into the Bayesian formula to get posterior probabilities, by which we can judge the new class characteristics of these samples. Considering the stability of PLS-DA models, all the wine samples were divided into calibration sets and validation sets randomly for ten times. The results of NIR and MIR discriminant models of four wine regions were as follows: the average accuracy rates of calibration sets were 78.21% (NIR) and 82.57% (MIR), and the average accuracy rates of validation sets were 82.50% (NIR) and 81.98% (MIR). After using the method proposed in this paper, the accuracy rates of calibration and validation changed to 87.11% and 90.87% separately, which all achieved better results of determination than individual spectroscopy. These results suggest that Bayesian information fusion of NIR and MIR spectra is feasible for fast identification of wine original regions.

The Social Brain Is Not Enough: On the Importance of the Ecological Brain for the Origin of Language

PubMed Central

Ferretti, Francesco

2016-01-01

In this paper, I assume that the study of the origin of language is strictly connected to the analysis of the traits that distinguish human language from animal communication. Usually, human language is said to be unique in the animal kingdom because it enables and/or requires intentionality or mindreading. By emphasizing the importance of mindreading, the social brain hypothesis has provided major insights within the origin of language debate. However, as studies on non-human primates have demonstrated that intentional forms of communication are already present in these species to a greater or lesser extent, I maintain that the social brain is a necessary but not a sufficient condition to explain the uniqueness of language. In this paper, I suggest that the distinctive feature of human communication resides in the ability to tell stories, and that the origin of language should be traced with respect to the capacity to produce discourses, rather than phrases or words. As narrative requires the ability to link events distant from one another in space and time, my proposal is that in order to explain the origin of language, we need to appeal to both the social brain and the ecological brain – that is, the cognitive devices which allow us to mentally travel in space and time. PMID:27531987

Description of the Large-Gap Magnetic Suspension System (LGMSS) ground based experiment

NASA Technical Reports Server (NTRS)

Groom, Nelson J.

1991-01-01

An overview of the Large Gap Magnetic Suspension System (LGMSS) ground-based experiment is provided. A description of the experiment, as originally defined, and the experiment objectives and potential applications of the technology resulting from the experiment are presented. Also, the results of two studies which were conducted to investigate the feasibility of implementing the experiment are presented and discussed. Finally, a description of the configuration which was selected for the experiment is described, and a summary of the paper is presented.

[Intensive care of children with DIC syndrome based on the use of low molecular weight heparins].

PubMed

Chuprova, A V; Shmakov, A N; Solov'ev, O N; Anokhina, T Iu; Loskutova, S A; Pinegina, Iu S

2002-01-01

The first section of this paper presents data on low-molecular-weight heparins: pharmacokinetics and pharmacodynamics, advantages in comparison with common heparin. The second section presents the results of fraxiparin and clivarin use in 43 children aged 9 months to 14 years with acute/subacute DIC syndrome of infectious origin. Therapeutic and maintenance doses, the mode of injection of low-molecular-weight heparins, and methods for laboratory monitoring of their efficiency and safety are presented.

[An Improved Cubic Spline Interpolation Method for Removing Electrocardiogram Baseline Drift].

PubMed

Wang, Xiangkui; Tang, Wenpu; Zhang, Lai; Wu, Minghu

2016-04-01

The selection of fiducial points has an important effect on electrocardiogram(ECG)denoise with cubic spline interpolation.An improved cubic spline interpolation algorithm for suppressing ECG baseline drift is presented in this paper.Firstly the first order derivative of original ECG signal is calculated,and the maximum and minimum points of each beat are obtained,which are treated as the position of fiducial points.And then the original ECG is fed into a high pass filter with 1.5Hz cutoff frequency.The difference between the original and the filtered ECG at the fiducial points is taken as the amplitude of the fiducial points.Then cubic spline interpolation curve fitting is used to the fiducial points,and the fitting curve is the baseline drift curve.For the two simulated case test,the correlation coefficients between the fitting curve by the presented algorithm and the simulated curve were increased by 0.242and0.13 compared with that from traditional cubic spline interpolation algorithm.And for the case of clinical baseline drift data,the average correlation coefficient from the presented algorithm achieved 0.972.

Mesoarchean BIF and iron ores of the Badampahar greenstone belt, Iron Ore Group, East Indian Shield

NASA Astrophysics Data System (ADS)

Ghosh, Rupam; Baidya, Tapan Kumar

2017-12-01

Banded iron formations (BIFs) are chemically precipitated sedimentary rock characterized by alternating Fe-rich and Si-rich bands. The origin of BIF has remained controversial despite years of diligent research. Most models proposed for the BIF origin are based on the observations of well-preserved Neoarchean to Paleoproterozoic BIFs. The present paper is focused on the origin of Mesoarchean BIFs present in the Badampahar greenstone belt (3.3-3.1 Ga), East Indian Shield. Here, BIF is interlayered with metavolcanic rocks, quartzite, phyllite and chert representing a typical greenstone sequence. Geochemical and sedimentological evidence suggest deposition of BIF below the wave base as part of a back-arc basin with insignificant detrital input. Interaction of seawater and volcanogenic high temperature hydrothermal fluids, generated from back-arc spreading centre, supplied metals for BIF deposition. Distinctly negative Ce anomalies in some lower BIF horizons indicate Fe2+ oxidation in an oxygenated hydrosphere and derivation of free oxygen from microbial photosynthesis. Subsequent stages of deformation, metamorphism, hydrothermal and supergene processes after deposition led to the formation of the iron ore bodies at present.

Insights into the mechanisms of vertical transmission of HIV-1. BIOMED2 Working Group on the in utero transmission of HIV-1.

PubMed

Menu, E; Mognetti, B; Moussa, M; Nardese, V; Tresoldi, L; Tscherning, C; Mbopi Keou, F X; Dubanchet, S; Mauclere, P; Fenyö, E M; Scarlatti, G; Barre-Sinoussi, F; Chaouat, G

1997-12-01

This paper is a summary of three oral presentations, as well as the ensuing discussion, at the Rijeka/Opatija 3rd Alps Adria Immunology meeting by three members of the European Biomed group on vertical transmission of HIV (G. Chaouat, F. Barre-Sinoussi, G. Scarlatti). This group also involves the laboratories of D. Dormont (CEA, Fontenay aux roses, France), P. Gounon (Electron Microscopy, the Pasteur Institute, France; Irène Athanassakis, University of Crete, Greece; Eva Maria Fenyö, Karolinska Institute, Sweden; and Larry Guilbert, Canada). As such, this paper intends to be neither a review, nor an original article, but rather is an opinion paper discussing the working hypothesis of this network, as well as some of their recent results, which were presented at this meeting. The paper was issued at the request of the organizers of the meeting.

Is it all worth it? The experiences of new PhDs on the job market, 2007–10

PubMed Central

McFall, Brooke Helppie; Murray-Close, Marta; Willis, Robert J; Chen, Uniko

2016-01-01

This paper describes the job market experiences of new PhD economists, 2007-10. Using information from PhD programs' job candidate websites and original surveys, the authors present information about job candidates' characteristics, preferences and expectations; how job candidates fared at each stage of the market; and predictors of outcomes at each stage. Some information presented in this paper updates findings of prior studies. However, design features of the data used in this paper may result in more generalizable findings. This paper is unique in comparing pre-market expectations and preferences with post-market outcomes on the new PhD job market. It shows that outcomes tend to align with pre-market preferences, and candidates' expectations are somewhat predictive of their outcomes. Several analyses also shed light on sub-group differences. PMID:27616783

Modern technology in originality and authentication dispute on movable and detached artworks

NASA Astrophysics Data System (ADS)

Tornari, Vivi; Kouloumpi, Eleni; Koussiaki, Fotini

2013-05-01

Begin the abstract two lines below author names and addresses. The abstract summarizes key findings in the paper. It is a paragraph of 250 words or less. For the keywords, select up to 8 key terms for a search on your manuscript's subject. Precious artworks are in constant loan due to the increase demand for tour exhibitions around the globe. Archeological findings and historical parts of wallpaintings are detached and get into the route of a fraud market. Most of these detached art pieces are lost, destroyed or hidden by public view by anonymous collectors. The damage to the historical, cultural and aesthetic values is most of the times irreversible. Originality and authentication are essential properties in the identification of movable artworks provoking dispute and fraud actions endangering the long-lasting public approach to the precious but disputed works of art. Scientific community and technology developments are implemented in the battle against fraud and misinterpretation of origin through systematic and material classified studies. European projects have influenced and provoked intense research in this fragile field of modern technology applications and recent results are presented. Investigation protocols and classification needed for the standardization of valuation of these critical properties comprise an intense field of research embraced with international interest. In this paper it is presented long-lasting research effort with photonic technologies to bridge the results with the conventional means and the conservation expert opinion aiding to the identification and ensuring the origin of a masterpiece. Results from laboratory investigation and characteristic examples of paintings faced with the dispute of their authentication are given.

The Phoenix search results at Parkes

NASA Astrophysics Data System (ADS)

Backus, Peter R.

For 16 weeks (February to June of 1995), Project Phoenix had the exclusive use of the 64 m Parkes radio telescope in New South Wales, Australia, as well as another element of the Australian Telescope National Facility (ATNF), the 22 m Mopra telescope, 200 km to the north at Coonabarabran. With these two telescopes, we conducted a targeted search of nearly two hundred solar-type stars covering the frequency range from 1.2-3 GHz. The signal detection system described in the paper by Dreher [1]was optimized to detect narrowband signals (presumed to be transmitted by another technological civilization) originating in the vicinity of these targets. The system was sensitive to signals that were continuously present, or pulsed regularly, even if their frequencies drifted, or changed slowly in time. Many signals of precisely this nature were detected—coming from our own technology! All manner of transmitters, from microwave ovens to satellite downlinks, are rapidly making this naturally quiet portion of the electromagnetic spectrum extremely noisy. The use of the two widely separated telescopes as a pseudo-interferometer was essential to discriminate against signals of terrestrial origin. The performance of the system and the results of the observing campaign are presented in this paper, while the cooperative science observations that were undertaken with Australian PIs are described in a companion paper.

Non-Deterministic Modelling of Food-Web Dynamics

PubMed Central

Planque, Benjamin; Lindstrøm, Ulf; Subbey, Sam

2014-01-01

A novel approach to model food-web dynamics, based on a combination of chance (randomness) and necessity (system constraints), was presented by Mullon et al. in 2009. Based on simulations for the Benguela ecosystem, they concluded that observed patterns of ecosystem variability may simply result from basic structural constraints within which the ecosystem functions. To date, and despite the importance of these conclusions, this work has received little attention. The objective of the present paper is to replicate this original model and evaluate the conclusions that were derived from its simulations. For this purpose, we revisit the equations and input parameters that form the structure of the original model and implement a comparable simulation model. We restate the model principles and provide a detailed account of the model structure, equations, and parameters. Our model can reproduce several ecosystem dynamic patterns: pseudo-cycles, variation and volatility, diet, stock-recruitment relationships, and correlations between species biomass series. The original conclusions are supported to a large extent by the current replication of the model. Model parameterisation and computational aspects remain difficult and these need to be investigated further. Hopefully, the present contribution will make this approach available to a larger research community and will promote the use of non-deterministic-network-dynamics models as ‘null models of food-webs’ as originally advocated. PMID:25299245

NACA Conference on Turbojet-Engine Thrust Augmentation Research: A Compilation of the Papers Presented by NACA Staff Members

NASA Technical Reports Server (NTRS)

1948-01-01

The conference on Turbojet-Engine Thrust-Augmentation Research was organized by the NACA to present in summarized form the results of the latest experimental and analytical investigations conducted at the Lewis Flight Propulsion Laboratory on methods of augmenting the thrust of turbojet engines. The technical discussions are reproduced herewith in the same form in which they were presented. The original presentation in this record are considered as complementary to, rather than substitutes for, the committee's system of complete and formal reports.

Greek language: analysis of the cardiologic anatomical etymology: past and present.

PubMed

Bezas, Georges; Werneck, Alexandre Lins

2012-01-01

The Greek language, the root of most Latin anatomical terms, is deeply present in the Anatomical Terminology. Many studies seek to analyze etymologically the terms stemming from the Greek words. In most of these studies, the terms appear defined according to the etymological understanding of the respective authors at the time of its creation. Therefore, it is possible that the terms currently used are not consistent with its origin in ancient Greek words. We selected cardiologic anatomical terms derived from Greek words, which are included in the International Anatomical Terminology. We performed an etymological analysis using the Greek roots present in the earliest terms. We compared the cardiologic anatomical terms currently used in Greece and Brazil to the Greek roots originating from the ancient Greek language. We used morphological decomposition of Greek roots, prefixes, and suffixes. We also verified their use on the same lexicons and texts from the ancient Greek language. We provided a list comprising 30 cardiologic anatomical terms that have their origins in ancient Greek as well as their component parts in the International Anatomical Terminology. We included the terms in the way they were standardized in Portuguese, English, and Modern Greek as well as the roots of the ancient Greek words that originated them. Many works deal with the true origin of words (etymology) but most of them neither returns to the earliest roots nor relate them to their use in texts of ancient Greek language. By comparing the world's greatest studies on the etymology of Greek words, this paper tries to clarify the differences between the true origin of the Greek anatomical terms as well as the origins of the cardiologic anatomical terms more accepted today in Brazil by health professionals.

Factors influencing successful peer-reviewed publication of original research presentations from the American Society of Pediatric Otolaryngology (ASPO).

PubMed

MacKinney, Erin C; Chun, Robert H; Cassidy, Laura D; Link, T Roxanne; Sulman, Cecille G; Kerschner, Joseph E

2015-03-01

To analyze factors associated with progression of an original scientific presentation at the American Society of Pediatric Otolaryngology (ASPO) Annual Meeting to publication in a peer-reviewed journal. A dataset of presenters was created to enable prospective follow-up to assess early impressions regarding publication success with longer-term publication outcomes. Prior to the Annual ASPO meeting in 2013, a survey consisting of 10 questions was e-mailed to all 59 presenters. Questions were designed to assess presenter expectations on publication, barriers to publishing, and experience in presenting, publishing and clinical practice. A second survey was sent 12 months later to those respondents of the first survey who were amenable to follow-up. Overall, 46 of 59 (78%) presenters responded to the initial survey prior to their ASPO 2013 presentation. Of these, 34 agreed to participate in a longer-term follow-up of their presentation to publication experience. Of these 34, there were 17 who participated in the follow-up survey 1 year later. Just under half of the original respondents were residents (46%). All presenters (100%) planned to re-submit a revised manuscript if initially rejected. However, 35% of follow-up respondents did not make initial submission to a peer-reviewed journal. Results of a descriptive analysis suggest that more experienced researchers expect their submitted manuscript to be accepted for publication within a shorter time frame than those that have published fewer papers. Time was ranked as the greatest barrier to publication (60%) of those surveyed both in the initial prospective survey and for those who did not publish a paper in the follow-up survey (83%). This study suggests a strong desire and expectation of publishing ASPO presentations. Despite this expectation, past research and this data set suggest this expectation often does not materialize. "Time constraints" were the most commonly identified barrier to publication. To enhance dissemination of new findings from ASPO meetings, institutions and individuals should examine methods that facilitate and incentivize publication of findings in peer-reviewed publications. Copyright © 2015 Elsevier Ireland Ltd. All rights reserved.

Brazilian Science between National and Foreign Journals: Methodology for Analyzing the Production and Impact in Emerging Scientific Communities.

PubMed

Strehl, Letícia; Calabró, Luciana; Souza, Diogo Onofre; Amaral, Lívio

2016-01-01

In recent decades, we have observed an intensification of science, technology and innovation activities in Brazil. The increase in production of scientific papers indexed in international databases, however, has not been accompanied by an equivalent increase in the impact of publications. This paper presents a methodology for analyzing production and the impact of certain research areas in Brazil related to two aspects: the origin of the journals (national or foreign) and international collaboration. These two variables were selected for being of particular importance in understanding the context of scientific production and communication in countries with emerging economies. The sample consisted of papers written by Brazilian researchers in 19 subfields of knowledge published from 2002 to 2011, totaling 85,082 papers. To calculate the impact, we adopted a normalized indicator called the relative subfield citedness (Rw) using a window of 5 years to obtain measurements evaluated in 2 different years: 2007 and 2012. The data on papers and citations were collected from the Web of Science database. From the results, we note that most of the subfields have presented, from one quinquennium to another, improved performance in the world production rankings. Regarding publication in national and foreign journals, we observed a trend in the distribution maintenance of production of the subfields based on the origin of the journal. Specifically, for impact, we identified a lower Rw pattern for Brazilian papers when they were published in national journals in all subfields. When Brazilian products are published in foreign journals, we observed a higher impact for those papers, even surpassing the average global impact in some subfields. For international collaboration, we analyzed the percentage of participation of foreign researchers and the connection between collaboration and the impact of papers, especially emphasizing the distinction of hyperauthorship papers in terms of production and impact.

Brazilian Science between National and Foreign Journals: Methodology for Analyzing the Production and Impact in Emerging Scientific Communities

PubMed Central

Calabró, Luciana; Souza, Diogo Onofre; Amaral, Lívio

2016-01-01

In recent decades, we have observed an intensification of science, technology and innovation activities in Brazil. The increase in production of scientific papers indexed in international databases, however, has not been accompanied by an equivalent increase in the impact of publications. This paper presents a methodology for analyzing production and the impact of certain research areas in Brazil related to two aspects: the origin of the journals (national or foreign) and international collaboration. These two variables were selected for being of particular importance in understanding the context of scientific production and communication in countries with emerging economies. The sample consisted of papers written by Brazilian researchers in 19 subfields of knowledge published from 2002 to 2011, totaling 85,082 papers. To calculate the impact, we adopted a normalized indicator called the relative subfield citedness (Rw) using a window of 5 years to obtain measurements evaluated in 2 different years: 2007 and 2012. The data on papers and citations were collected from the Web of Science database. From the results, we note that most of the subfields have presented, from one quinquennium to another, improved performance in the world production rankings. Regarding publication in national and foreign journals, we observed a trend in the distribution maintenance of production of the subfields based on the origin of the journal. Specifically, for impact, we identified a lower Rw pattern for Brazilian papers when they were published in national journals in all subfields. When Brazilian products are published in foreign journals, we observed a higher impact for those papers, even surpassing the average global impact in some subfields. For international collaboration, we analyzed the percentage of participation of foreign researchers and the connection between collaboration and the impact of papers, especially emphasizing the distinction of hyperauthorship papers in terms of production and impact. PMID:27171223

Nigerian Students' Perceptions and Cultural Meaning Construction Regarding Academic Integrity in the Online International Classroom

ERIC Educational Resources Information Center

Szilagyi, Annamaria

2014-01-01

By presenting perceptions of Nigerian students enrolled in the online international postgraduate programmes of the University of Liverpool regarding academic integrity, this paper aims to explore Western ideas, such as originality and plagiarism that are extraneous in the students' local cultures. Different historical and cultural circumstances…

The Many Roles of "Explanation" in Science Education: A Case Study

ERIC Educational Resources Information Center

Rocksén, Miranda

2016-01-01

In this paper the role of explanations is discussed in relation to possible consequences originating in the polysemy of the word explanation. The present study is a response to conceptual confusions that have arisen in the intersection between theory and practice, and between science education literature and communication in authentic science…

Social Interaction in Self-Paced Distance Education

ERIC Educational Resources Information Center

Anderson, Terry; Upton, Lorne; Dron, Jon; Malone, Judi; Poelhuber, Bruno

2015-01-01

In this paper we present a case study of a self-paced university course that was originally designed to support independent, self-paced study at distance. We developed a social media intervention, in design-based research terms, that allows these independent students to contribute archived content to enhance the course, to engage in discussions…

Community of Inquiry: Its Past and Present Future

ERIC Educational Resources Information Center

Pardales, Michael J.; Girod, Mark

2006-01-01

The following paper outlines the historical and philosophical development of, "community of inquiry" in educational discourse. The origins of community of inquiry can be found in the philosophical work of C. S. Peirce. From Peirce the notion of community of inquiry is adopted and developed by educational theorists of different orientations.…

Autonomous formation flying sensor for the Star Light Mission

NASA Technical Reports Server (NTRS)

Aung, M.; Purcell, G.; Tien, J.; Young, L.; Srinivasan, J.; Ciminera, M. A.; Chong, Y. J.; Amaro, L. R.; Young, L. E.

2002-01-01

The StarLight Mission, an element of NASA's Origins Program, was designed for first-time demonstration of two technologies: formation flying optical interferometry between spacecraft and autonomous precise formation flying of an array of spacecraft to support optical interferometry. The design overview and results of the technology effort are presented in this paper.

Proceedings of the symposium on the ecology, management, and utilization of California oaks, June 26-28

Treesearch

Timothy R. Plumb

1980-01-01

The symposium, held at Scripps College in Southern California, addressed most aspects of California's vast oak resource. Papers represented four major subject categories: ecological relationships, silviculture and management, damage factors, and products. Both scientific and applied information was presented, including original material not published previously....

Benchmark testing of DIII-D neutral beam modeling with water flow calorimetry

DOE PAGES

Rauch, J. M.; Crowley, B. J.; Scoville, J. T.; ...

2016-06-02

Power loading on beamline components in the DIII-D neutral beam system is measured in this paper using water flow calorimetry. The results are used to benchmark beam transport models. Finally, anomalously high heat loads in the magnet region are investigated and a speculative hypothesis as to their origin is presented.

The Segmentation of Elite Education Institutions and of Their Students: The New Preparatory Courses for The French "Grandes Écoles"

ERIC Educational Resources Information Center

Daverne-Bailly, Carole; Dutercq, Yves

2016-01-01

The present paper focuses on the preparatory courses for the French "grandes écoles" ("CPGEs"), which are selective higher education programmes that enable "good" students to bypass mass higher education and study under "favourable" conditions. These "CPGEs," originally intended to educate the…

Sensorimotor Distractions When Learning with Mobile Phones On-the-Move

ERIC Educational Resources Information Center

Castellano, Soledad; Arnedillo-Sánchez, Inmaculada

2016-01-01

This paper presents a discussion on potential conflicts originated by sensorimotor distractions when learning with mobile phones on-the-move. While research in mobile learning points to the possibility of everywhere, all the time learning; research in the area suggests that tasks performed while on-the-move predominantly require low cognitive…

A Voyage of Mathematical and Cultural Awareness for Students of Upper Secondary School

ERIC Educational Resources Information Center

Panagiotou, Evangelos N.

2014-01-01

Many papers have emphasized the need for and importance of particular examples and the underlying rationale for introducing a historical dimension in mathematics education. This article presents the development and implementation of a project, based on original sources, in a situation where the existing curriculum does not include history. The…

Latino Trajectories in Barcelona: A Longitudinal Ethnographic Study of Latin American Adolescents in Catalonia

ERIC Educational Resources Information Center

Corona, Víctor

2016-01-01

The ethnographic research presented in this paper consists of two parts developed chronologically. The first part is based on a study (Corona, V., Nussbaum, L., & Unamuno, V. [2012]. The emergence of new linguistic repertoires among Barcelona's youth of Latin American origin. "International Journal of Bilingual Education and…

Cost-Cutting in Higher Education: Lessons Learned from Collaboration, Technology, and Outsourcing Initiatives. Draft.

ERIC Educational Resources Information Center

Kaganoff, Tessa

This document presents a review of cost-containment initiatives relevant to higher education institutions. Originally commissioned to examine cost containment initiatives carried out by institutions affiliated with the Foundation for Independent Higher Education (FIHE), the paper was expanded to include a sector-wide review of three types of…

Overweight or Obesity Associations with Physical Aggression in Children and Adolescents: A Meta-Analysis

ERIC Educational Resources Information Center

Tso, Melissa K.W.; Rowland, Bosco; Toumbourou, John W.; Guadagno, Belinda L.

2018-01-01

Being overweight or obese (overweight/obesity) or physically aggressive in childhood and adolescence can have lifelong consequences, hence are important public health problems. Identifying a relationship between these problems would assist in understanding their developmental origins. The present paper sought to review previous studies and use…

Explanatory Model for Sound Amplification in a Stethoscope

ERIC Educational Resources Information Center

Eshach, H.; Volfson, A.

2015-01-01

In the present paper we suggest an original physical explanatory model that explains the mechanism of the sound amplification process in a stethoscope. We discuss the amplification of a single pulse, a continuous wave of certain frequency, and finally we address the resonant frequencies. It is our belief that this model may provide students with…

[Ethical insolvency?].

PubMed

von Weizsäcker, F; Maio, G

2010-04-01

The current DRG system has not only changed the economic structure of clinical medicine but also has profound effects on its original mission. In the present paper we discuss the fundamental limits of the DRG system and make a case for placing more emphasis on time and communication in health care. Georg Thieme Verlag KG Stuttgart. New York.

University's Multi-Scale Initiatives for Redefining City Development

ERIC Educational Resources Information Center

Ratajczyk, Natalia; Wagner, Iwona; Wolanska-Kaminska, Agnieszka; Jurczak, Tomasz; Zalewski, Maciej

2017-01-01

Purpose: The purpose of this paper is to present the varied roles played by the University of Lódz (UL) in maintaining and restoring the natural capital of a city as a driver for sustainable city development. The higher education institution can be perceived as visionary, originator and executor of natural capital projects.…

Designing Social Media for Informal Learning and Knowledge Maturing in the Digital Workplace

ERIC Educational Resources Information Center

Ravenscroft, A.; Schmidt, A.; Cook, J.; Bradley, C.

2012-01-01

This paper presents an original approach to designing social media that support informal learning in the digital workplace. It adapts design-based research to take into account the embeddedness of interactions within digitally mediated work-based contexts. The approach is demonstrated through the design, implementation, and evaluation of software…

TOXIC POLLUTANTS IN URBAN WET-WEATHER FLOWS: AN OVERVIEW OF THE MULTI-MEDIA TRANSPORT, IMPACTS, AND CONTROL MEASURES

EPA Science Inventory

This paper presents an overview of the transport of toxic pollutants through multiple media and drainage systems in the urban watershed during wet-weather periods. It includes the origin of the toxic substances; their transport via atmospheric depositon, overland washoff, and urb...

TOXIC POLLUTANTS IN URBAN WET-WEATHER FLOWS: AN OVERVIEW OF THE MULTI-MEDIA TRANSPORT, IMPACTS, AND CONTROL MEASURES

EPA Science Inventory

This paper presents an overview of the transport of toxic pollutants through multiple media and drainage systems in the urban watershed during wet-weather periods. It includes the origin of the toxic substances; their transport via atmospheric deposition, overland washoff, and ur...

Jean Langlais (1907-91): an historical case of a blind organist with stroke-induced aphasia and Braille alexia but without amusia.

PubMed

Fisher, C A H; Larner, A J

2008-11-01

The subject of a prior report of a blind organist with aphasia and Braille alexia without amusia, published in French, has been identified as Jean Langlais. His artistic and medical history is presented, the latter via translation of the original 1987 paper.

Towards a Transcultural Theory of Democracy for Instrumental Music Education

ERIC Educational Resources Information Center

Tan, Leonard

2014-01-01

At present, instrumental music education, defined in this paper as the teaching and learning of music through wind bands and symphony orchestras of Western origin, appears embattled. Among the many criticisms made against instrumental music education, critics claim that bands and orchestras exemplify an authoritarian model of teaching that does…

Controlled Experiment Replication in Evaluation of E-Learning System's Educational Influence

ERIC Educational Resources Information Center

Grubisic, Ani; Stankov, Slavomir; Rosic, Marko; Zitko, Branko

2009-01-01

We believe that every effectiveness evaluation should be replicated at least in order to verify the original results and to indicate evaluated e-learning system's advantages or disadvantages. This paper presents the methodology for conducting controlled experiment replication, as well as, results of a controlled experiment and an internal…

Research Capacity Building in Education: The Role of Digital Archives

ERIC Educational Resources Information Center

Carmichael, Patrick

2011-01-01

Accounts of how research capacity in education can be developed often make reference to electronic networks and online resources. This paper presents a theoretically driven analysis of the role of one such resource, an online archive of educational research studies that includes not only digitised collections of original documents but also videos…

Semiochemicals in pest management: development, regulation and applications. Subtitle: Delivering on the promise of pheromones

USDA-ARS?s Scientific Manuscript database

In this special issue, we present a total of 20 review articles and original research papers in semiochemical applications from not only insects, also in some vertebrates. We have covered many areas of using chemical ecology tools for practical applications from all four continents, which include ph...

Closure to new results for an approximate method for calculating two-dimensional furrow infiltration

USDA-ARS?s Scientific Manuscript database

In a discussion paper, Ebrahimian and Noury (2015) raised several concerns about an approximate solution to the two-dimensional Richards equation presented by Bautista et al (2014). The solution is based on a procedure originally proposed by Warrick et al. (2007). Such a solution is of practical i...

Improvements of MCOR: A Monte Carlo depletion code system for fuel assembly reference calculations

DOE Office of Scientific and Technical Information (OSTI.GOV)

Tippayakul, C.; Ivanov, K.; Misu, S.

2006-07-01

This paper presents the improvements of MCOR, a Monte Carlo depletion code system for fuel assembly reference calculations. The improvements of MCOR were initiated by the cooperation between the Penn State Univ. and AREVA NP to enhance the original Penn State Univ. MCOR version in order to be used as a new Monte Carlo depletion analysis tool. Essentially, a new depletion module using KORIGEN is utilized to replace the existing ORIGEN-S depletion module in MCOR. Furthermore, the online burnup cross section generation by the Monte Carlo calculation is implemented in the improved version instead of using the burnup cross sectionmore » library pre-generated by a transport code. Other code features have also been added to make the new MCOR version easier to use. This paper, in addition, presents the result comparisons of the original and the improved MCOR versions against CASMO-4 and OCTOPUS. It was observed in the comparisons that there were quite significant improvements of the results in terms of k{sub inf}, fission rate distributions and isotopic contents. (authors)« less

Computational applications of the many-interacting-worlds interpretation of quantum mechanics.

PubMed

Sturniolo, Simone

2018-05-01

While historically many quantum-mechanical simulations of molecular dynamics have relied on the Born-Oppenheimer approximation to separate electronic and nuclear behavior, recently a great deal of interest has arisen in quantum effects in nuclear dynamics as well. Due to the computational difficulty of solving the Schrödinger equation in full, these effects are often treated with approximate methods. In this paper, we present an algorithm to tackle these problems using an extension to the many-interacting-worlds approach to quantum mechanics. This technique uses a kernel function to rebuild the probability density, and therefore, in contrast with the approximation presented in the original paper, it can be naturally extended to n-dimensional systems. This opens up the possibility of performing quantum ground-state searches with steepest-descent methods, and it could potentially lead to real-time quantum molecular-dynamics simulations. The behavior of the algorithm is studied in different potentials and numbers of dimensions and compared both to the original approach and to exact Schrödinger equation solutions whenever possible.

The Health Behaviour in School-aged Children: WHO Collaborative Cross-National (HBSC) study: origins, concept, history and development 1982-2008.

PubMed

Currie, Candace; Nic Gabhainn, Saoirse; Godeau, Emmanuelle

2009-09-01

This paper traces the history of the HBSC study from its origins in the early 1980's to the present day describing how it was first conceptualised scientifically and how this influenced issues of study design. The challenges of managing a cross-national study are explained as are changes and adaptations over time with growth of the study from 3 to over forty country members. The key partnership with the World Health Organisation and its benefits are presented. With developments in scientific management and theoretical perspectives, HBSC has made a substantial contribution to the area of youth health. The last decade has seen increased dissemination to policy makers and evidence that scientific information arising from the study has influenced strategic policy development and practical health improvement programmes. This paper considers some of the key success factors and challenges for the study as it attempts to maximise its scientific output and channels the research findings into health improvement for young people. Future challenges for the study are also considered.

Tracing Chromospheric Evaporation in Radio and Soft X-rays

NASA Technical Reports Server (NTRS)

Aschwanden, Markus J.

1997-01-01

There are three publications in refereed journals and several presentations at scientific conferences resulted from this work, over a period of 6 months during 1995/1996. In the first paper, the discovery of the chromospheric evaporation process at radio wavelengths is described. In the second paper, the radio detection is used to quantify electron densities in the upflowing heated plasma in flare loops, which is then compared with independent other density measurements from soft X-rays, or the plasma frequency of electron beams originating in the acceleration region. In the third paper, the diagnostic results of the chromospheric evaporation process are embedded into a broader picture of a standard flare scenario. Abstracts of these three papers are attached.

Complex interactions in Lake Michigan’s rapidly changing ecosystem

USGS Publications Warehouse

Vanderploeg, Henry A.; Bunnell, David B.; Carrick, Hunter J.; Hook, Tomas O.

2015-01-01

For over 30 years, Lake Michigan’s food web has been in a constant state of transition from reductions in nutrient loading and proliferation of invasive species at multiple trophic levels. In particular, there has been concern about impacts from the invasive predatory cercopagids (Bythotrephes longimanus and Cercopagis pengoi) and expanding dreissenid mussel and round goby populations. This special issue brings together papers that explore the status of the Lake Michigan food web and the factors responsible for these changes, and suggests research paths that must be taken for understanding and predicting system behavior. This introductory paper describes the special issue origin, presents an overview of the papers, and draws overarching conclusions from the papers.

DOE Office of Scientific and Technical Information (OSTI.GOV)

Edmondson, Philip D.; Miller, Michael K.; Powers, K. A.

In our recent paper entitled “Atom probe tomography characterization of neutron irradiated surveillance samples from the R. E. Ginna reactor pressure vessel”, we make reference to a table within the article as providing the average compositions of the precipitates, when in fact the bulk compositions were given. In this correction, we present the average precipitate compositions for the data presented in Ref. [1]. These correct compositions are provided for information and do not alter the conclusions of the original manuscript.

Aeroelastic Deflection of NURBS Geometry

NASA Technical Reports Server (NTRS)

Samareh, Jamshid A.

1998-01-01

The purpose of this paper is to present an algorithm for using NonUniform Rational B-Spline (NURBS) representation in an aeroelastic loop. The algorithm is based on creating a least-squares NURBS surface representing the aeroelastic defection. The resulting NURBS surfaces are used to update either the original Computer- Aided Design (CAD) model, Computational Structural Mechanics (CSM) grid or the Computational Fluid Dynamics (CFD) grid. Results are presented for a generic High-Speed Civil Transport (HSCT).

A compact soft x-ray (0.1-1.2 keV) calibration bench for radiometric measurements using an original versatile Rowland circle grazing incidence monochromator

NASA Astrophysics Data System (ADS)

Hubert, S.

2017-05-01

This paper describes an original Rowland circle grazing incidence spectrometer used as a monochromator for a soft x-ray Manson source in order to calibrate both the source and detectors over the 0.1-1.2 keV spectral range. The originality of the instrument lies on a patented vacuum manipulator which allows the simultaneous boarding of two detectors, one (reference) for measuring the monochromatic radiation and the second to be calibrated. In order to achieve this, the vacuum manipulator is able to interchange, in vacuum, one detector with the other in front of the exit slit of the monochromatizing stage. One purpose of this apparatus was to completely eliminate the intrinsic bremsstrahlung emission of the x-ray diode source and isolate each characteristic line for quantitative detector calibrations. Obtained spectral resolution (Δλ/λ<10-2) and spectral purity (>98%) fully meet this objective. Initially dimensioned to perform calibration of bulky x-ray cameras unfolded on the Laser MégaJoule Facility, other kinds of detector can be obviously calibrated using this instrument. A brief presentation of the first calibration of an x-ray CCD through its quantum efficiency (QE) measurement is included in this paper as example. Comparison with theoretical model for QE and previous measurements at higher energy are finally presented and discussed.

The role of family-of-origin violence in men's marital violence perpetration.

PubMed

Delsol, Catherine; Margolin, Gayla

2004-03-01

This paper presents overall transmission rates between family-of-origin violence and marital violence, as well as theoretical and empirical work on possible mechanisms of transmission. In identified samples, approximately 60% of the maritally violent men report family-of-origin violence, whereas slightly over 20% of the comparison group of maritally nonviolent men report family-of-origin violence. Modest associations between experiencing violence in the family of origin and marital violence are found in community samples and in studies with prospective and longitudinal designs. Variables that intervene in the association between family-of-origin violence and marital violence are reviewed, with a focus on personal characteristics such as antisocial personality, psychological distress, and attitudes condoning violence, as well as on contextual factors, such as marital problems and conflict resolution style. Variables associated with nonviolence in men who grew up in violent families also are identified, including strong interpersonal connections and the ability to create psychological distance from the family-of-origin violence. Continued empirical investigation of variables that potentiate or mitigate the association between family-of-origin violence and marital violence at different developmental stages is needed to identify explanatory mechanisms and, ultimately, to interrupt the intergenerational transmission of marital violence.

Crisis, change and creativity in science and technology: chemistry in the aftermath of twentieth-century global wars.

PubMed

Johnson, Jeffrey Allan

2011-07-01

This paper presents the organising ideas behind the symposium "Chemistry in the Aftermath of World Wars," held at the 23rd International Congress of History of Science and Technology, Budapest, 2009, whose theme was "Ideas and Instruments in Social Context." After first recounting the origins of the notion of "crisis" as a decisive turning point in general history as well as in the history of science, the paper presents war and its aftermath as a form of crisis that may affect science and technology, including chemistry, in a variety of contexts and leading to a variety of types of change. The twentieth-century world wars were exemplary forms of crisis, whose aftermaths shaped the contexts for decisive changes in modern chemistry, which continue to offer challenging opportunities for historical research. In discussing these, the paper cites selected current literature and briefly describes how the individual papers of the symposium, including the three papers published in this volume, approached these challenges.

Enhanced Fluoride Over-Coated Al Mirrors for FUV Astronomy

NASA Technical Reports Server (NTRS)

Quijada, Manuel A.; DelHoyo, Javier; Rice, Steve; Threat, Felix

2014-01-01

Astronomical observations in the Far Ultraviolet (FUV) spectral region are some of the more challenging due to the very distant and faint objects that are typically searched for in cosmic origin studies such as origin of large scale structure, the formation, evolution, and age of galaxies and the origin of stellar and planetary systems. These challenges are driving the need to improve the performance of optical coatings over a wide spectral range that would increase reflectance in mirrors and reduced absorption in dielectric filters used in optical telescope for FUV observations. This paper will present recent advances in reflectance performance for Al+MgF2 mirrors optimized for Lyman-alpha wavelength by performing the deposition of the MgF2 overcoat at elevated substrate temperatures. We will also present optical characterization of little studied rare-earth fluorides such as GdF3 and LuF3 that exhibit low-absorption over a wide wavelength range and could therefore be used as high refractive index alternatives for dielectric coatings at FUV wavelengths.

Recent Progress on 2012 SAT for UVOIR Coatings

NASA Technical Reports Server (NTRS)

Quijada, Manuel A.; Del Hoyo, Javier G.; Rice, Stephen H.

2014-01-01

Astronomical observations in the Far Ultraviolet (FUV) spectral region are some of the more challenging due to the very distant and faint objects that are typically searched for in cosmic origin studies such as origin of large scale structure, the formation, evolution, and age of galaxies and the origin of stellar and planetary systems. These challenges are driving the need to improve the performance of optical coatings over a wide spectral range that would increase reflectance in mirrors and reduced absorption in dielectric filters used in optical telescope for FUV observations. This paper will present recent advances in reflectance performance for Al+MgF2 mirrors optimized for Lyman-alpha wavelength by performing the deposition of the MgF2 overcoat at elevated substrate temperatures. We will also present optical characterization of little studied rare-earth fluorides such as GdF3 and LuF3 that exhibit low-absorption over a wide wavelength range and could therefore be used as high refractive index alternatives fordielectric coatings at FUV wavelengths.

76 FR 64931 - Building Energy Codes Cost Analysis

Federal Register 2010, 2011, 2012, 2013, 2014

2011-10-19

... Cost Analysis published in the Federal Register on September 13, 2011. 76 FR 56413. The original...-0121. Telephone: (202) 586-2945. Please submit one signed original paper copy. Hand Delivery/Courier...., 6th Floor, Washington, DC 20024. Please submit one signed original paper copy. Docket: For access to...

Rapid ILs-polishing Processes Toward Flexible Nanostructured Paper with Dually High Transparency and Haze.

PubMed

Ou, Yanghao; Chen, Jinbo; Lu, Pengbo; Cheng, Fan; Lin, Meiyan; Su, Lingfeng; Li, Jun; Liu, Detao

2017-07-31

Biodegradable highly nanostructured paper has received great interest in past years due to its excellent optical properties which facilitate its wide applications in green flexible electronics and devices. However, energy and/or time-consuming procedure during the process of fabricating most nanostructured transparent paper are presently the main obstacle to their scalable production. In this work, we demonstrated a novel nanostructured paper with dually high transparency (∼91%) and high haze (∼89%) that was directly fabricated from original paper with rapid ILs-polishing processes. The whole fabricating time only requires 10 min. Compared to the previously reported nanopaper made of the isolated cellulose nanofibers by pure mechanical and/or chemical approaches, this work presented herein is devoted to use green ILs to polish directly the micrometer-sized fibrous paper into the nanostructured paper. This new method brings a rapid fabrication of transparent nanostructured paper while also retaining dual intriguing properties both in optical transmittance and haze. This work is capable of fabricating next-generation flexible and highly transparent and haze paper by a high-speed roll-to-roll manufacturing process with a much lower cost.

Efficient FFT Algorithm for Psychoacoustic Model of the MPEG-4 AAC

NASA Astrophysics Data System (ADS)

Lee, Jae-Seong; Lee, Chang-Joon; Park, Young-Cheol; Youn, Dae-Hee

This paper proposes an efficient FFT algorithm for the Psycho-Acoustic Model (PAM) of MPEG-4 AAC. The proposed algorithm synthesizes FFT coefficients using MDCT and MDST coefficients through circular convolution. The complexity of the MDCT and MDST coefficients is approximately half of the original FFT. We also design a new PAM based on the proposed FFT algorithm, which has 15% lower computational complexity than the original PAM without degradation of sound quality. Subjective as well as objective test results are presented to confirm the efficiency of the proposed FFT computation algorithm and the PAM.

ORIGIN: Metal Creation and Evolution From The Cosmic Dawn

NASA Astrophysics Data System (ADS)

Piro, L.; den Herder, J. W.; Ohashi, T.; Hartmann, D. H.; Kouveliotou, C.

2011-08-01

ORIGIN is a mission designed to use Gamma-Ray Bursts as a unique probe to study the cosmic history of baryons and the metal enrichment from the first stars up to the present Universe. Reconstructing the cosmic history of metals, from the first population of stars to the processes involved in the formation of galaxies and clusters of galaxies, is a key observational challenge. Observing any single star in the early Universe is in fact beyond the reach of presently planned mission. By measuring GRB redshifts and abundances in the circumburst medium deep into the era of re-ionization (z>6), ORIGIN will discover when star formation started and how it evolved into the present day structures. ORIGIN will collect 400 GRBs per year covering the full redshift distribution. About twice per month a GRB from the re-ionization era will trigger the instruments. The resulting multi-element abundance patterns derived from high resolution X-ray and IR observations will map the evolving chemical composition of the early Universe, ``fingerprint'' the elusive PopIII stars, and constrain the shape of the Initial Mass Function (IMF) of the first stars. While not observing GRB afterglows, ORIGIN will map element abundances in local structures (z<2) by determining the properties of the hot IGM in clusters and groups of galaxies and the Warm-Hot Intergalactic Medium (WHIM). In this paper we focus on the use of GRB to track the earliest star populations.

Santa and the Moon

NASA Astrophysics Data System (ADS)

Barthel, P.

2012-05-01

This article reflects on the use of illustrations of the Moon in images of Santa Claus, on Christmas gift-wrapping paper and in children's books, in two countries which have been important in shaping the image of Santa Claus and his predecessor Sinterklaas: the USA and the Netherlands. The appearance of the Moon in Halloween illustrations is also considered. The lack of either knowledge concerning the physical origin of the Moon's phases, or interest in understanding them, is found to be widespread in the Netherlands, but is also clearly present in the USA, and is quite possibly global. Certainly incomplete, but surely representative, lists that compile occurrences of both scientifically correct and scientifically incorrect gift- wrapping paper and children's books are also presented.

Papers presented to the Conference on Chondrules and the Protoplanetary Disk

NASA Technical Reports Server (NTRS)

1994-01-01

The following topics are covered in the presented papers: (1) producing chondrules; (2) carbons, CAI's, and chondrules; (3) large scale processes in the solar nebula; (4) chondrule-matrix relationships in chondritic meteorites; (5) overview of nebula models; (6) constraints placed on the nature of chondrule precursors; (7) turbulent diffusion and concentration of chondrules in the protoplanetary nebula; (8) heating and cooling in the solar nebula; (9) crystallization trends of precursor pyroxene in ordinary chondrites; (10) precipitation induced vertical lightning in the protoplanetary nebula; (11) the role of chondrules in nebular fractionations of volatiles and other elements; (12) astronomical observations of phenomena in disks; (13) experimental constraints on models for origins of chondrules, and various other topics.

Development of an Aeroelastic Code Based on an Euler/Navier-Stokes Aerodynamic Solver

NASA Technical Reports Server (NTRS)

Bakhle, Milind A.; Srivastava, Rakesh; Keith, Theo G., Jr.; Stefko, George L.; Janus, Mark J.

1996-01-01

This paper describes the development of an aeroelastic code (TURBO-AE) based on an Euler/Navier-Stokes unsteady aerodynamic analysis. A brief review of the relevant research in the area of propulsion aeroelasticity is presented. The paper briefly describes the original Euler/Navier-Stokes code (TURBO) and then details the development of the aeroelastic extensions. The aeroelastic formulation is described. The modeling of the dynamics of the blade using a modal approach is detailed, along with the grid deformation approach used to model the elastic deformation of the blade. The work-per-cycle approach used to evaluate aeroelastic stability is described. Representative results used to verify the code are presented. The paper concludes with an evaluation of the development thus far, and some plans for further development and validation of the TURBO-AE code.

PC-assisted translation of photogrammetric papers

NASA Astrophysics Data System (ADS)

Güthner, Karlheinz; Peipe, Jürgen

A PC-based system for machine translation of photogrammetric papers from the English into the German language and vice versa is described. The computer-assisted translating process is not intended to create a perfect interpretation of a text but to produce a rough rendering of the content of a paper. Starting with the original text, a continuous data flow is effected into the translated version by means of hardware (scanner, personal computer, printer) and software (OCR, translation, word processing, DTP). An essential component of the system is a photogrammetric microdictionary which is being established at present. It is based on several sources, including e.g. the ISPRS Multilingual Dictionary.

The implementation and use of Ada on distributed systems with high reliability requirements

NASA Technical Reports Server (NTRS)

Knight, J. C.

1987-01-01

Performance analysis was begin on the Ada implementations. The goal is to supply the system designer with tools that will allow a rational decision to be made about whether a particular implementation can support a given application early in the design cycle. Primary activities were: analysis of the original approach to recovery in distributed Ada programs using the Advanced Transport Operating System (ATOPS) example; review and assessment of the original approach which was found to be capable of improvement; preparation and presentation of a paper at the 1987 Washington DC Ada Symposium; development of a refined approach to recovery that is presently being applied to the ATOPS example; and design and development of a performance assessment scheme for Ada programs based on a flexible user-driven benchmarking system.

The current state of Socio-hydrology

NASA Astrophysics Data System (ADS)

Sivapalan, Murugesu; Viglione, Alberto; Di Baldassarre, Giuliano; Pande, Saket

2016-04-01

Socio-hydrology was introduced 4 years ago into the scientific lexicon, and elicited several reactions about the meaning and originality of the concept. However, there has also been much activity triggered by the original paper, including further commentaries that clarified the definitions, and several papers that acted on the definitions, and through them further clarified and illustrated the meaning and usefulness of socio-hydrology for understanding coupled human-water systems and underpinning sustainable water management. This presentation discusses how useful these recent studies have been towards the need for socio-hydrology to explain phenomena, such as rise and decline of human population or food production in water scarce basins ('pendulum swing'), the levee effect, small scale farmer suicides, anthropogenic droughts, etc… We also discuss its foundation as a Science, its similarities and dissimilarities with other fields that study human-water interactions, such as hydro-sociology and hydro-economics, its foundation as a Science, current gaps and the challenges that lie ahead.

A high data rate universal lattice decoder on FPGA

NASA Astrophysics Data System (ADS)

Ma, Jing; Huang, Xinming; Kura, Swapna

2005-06-01

This paper presents the architecture design of a high data rate universal lattice decoder for MIMO channels on FPGA platform. A phost strategy based lattice decoding algorithm is modified in this paper to reduce the complexity of the closest lattice point search. The data dependency of the improved algorithm is examined and a parallel and pipeline architecture is developed with the iterative decoding function on FPGA and the division intensive channel matrix preprocessing on DSP. Simulation results demonstrate that the improved lattice decoding algorithm provides better bit error rate and less iteration number compared with the original algorithm. The system prototype of the decoder shows that it supports data rate up to 7Mbit/s on a Virtex2-1000 FPGA, which is about 8 times faster than the original algorithm on FPGA platform and two-orders of magnitude better than its implementation on a DSP platform.

Original Misunderstanding

ERIC Educational Resources Information Center

Holtzman, Alexander

2009-01-01

Humorist Josh Billings quipped, "About the most originality that any writer can hope to achieve honestly is to steal with good judgment." Billings was harsh in his view of originality, but his critique reveals a tension faced by students every time they write a history paper. Research is the essence of any history paper. Especially in high school,…

The Concept of "Originality" in the Ph.D.: How Is It Interpreted by Examiners?

ERIC Educational Resources Information Center

Clarke, Gillian; Lunt, Ingrid

2014-01-01

This paper explores ways in which examiners, supervisors and others interpret the concept of "originality" when evaluating candidates' achievements in the final Ph.D. examination. It is based on institutional responses to a question in a 2006 discussion paper on doctoral assessment about how universities define originality for the…

Stimulating Originality of Paintings in Elementary School Children

ERIC Educational Resources Information Center

Dulama, Maria Eliza; Iovu, Mihai-Bogdan; Sbînca, Lucretia

2013-01-01

Te aim of this paper is studying ways in which originality of elementary school students can be stimulated through the use of artistic activities. The paper is theoretically grounded in considering originality as the capacity to deliver new ideas, ingenious, unconventional, unusual and shocking solutions (Mihaela Roco, 2004; H. Jaoui, 1975; Al.…

Evolution of Trends in European Medical Informatics

PubMed Central

I. Mihalas, George

2014-01-01

This presentation attempts to analyze the trends in Medical Informatics along half a century, in the European socio-political and technological development context. Based on the major characteristics which seem dominant in some periods, a staging is proposed, with a description of each period – the context, major ideas, views and events. A summary of major features of each period is also added. This paper has an original presentation of the evolution of major trends in medical informatics. PMID:24648618

Radical Democratic Schooling on the Ground: Pedagogical Ideals and Realities in a Sudbury School

ERIC Educational Resources Information Center

Wilson, Marguerite Anne Fillion

2015-01-01

Sudbury schools, which originated in the USA in the 1960s, are radical alternatives to traditional public schooling that promote egalitarian relationships between children and adults. Given that the Sudbury model has been largely overlooked in educational anthropology, this paper presents findings from a 1.5-year critical ethnographic study of a…

Current Problems of Vocational Education in the Federal Republic of Germany. Occasional Paper No. 54.

ERIC Educational Resources Information Center

Schmidt, Hermann

The present form of vocational education in the Federal Republic of Germany with its origins in trades and crafts of the Middle Ages has existed since the 1920s. Only in 1969, however, did comprehensive legislation declare company vocational training within the sphere of state responsibility, give unions participation rights in determining…

Psychological Processes and "The Staircase to Terrorism"

ERIC Educational Resources Information Center

Moghaddam, Fathali M.

2005-01-01

This paper presents replies to the comments of Paniagua and Steiner on his original article on terrorism. The author notes that several points raised by Paniagua and Steiner are insightful and help to broaden the range of factors to be considered on the staircase to terrorism. Steiner highlights the role of incitement, and this points to the…

An Aesthetic Theory of School Vandalism. Discussion Papers 419.

ERIC Educational Resources Information Center

Allen, Vernon L.; Greenberger, David B.

This study presents an aesthetic theory of school vandalism and reports on nine original empirical studies that are relevant to the theory. It is proposed that the act of destroying an object is very enjoyable because it is, in effect, an aesthetic experience. The theory posits that the variables accounting for positive hedonic value associated…

Miss, What's My Name? New Teacher Identity as a Question of Reciprocal Ontological Security

ERIC Educational Resources Information Center

McNally, Jim; Blake, Allan

2012-01-01

This paper extends the dialogue of educational philosophy to the experience of beginners entering the teaching profession. Rather than impose the ideas of any specific philosopher or theorist, or indeed official standard, the exploration presented here owes its origins to phenomenology and the use of grounded theory. Working from a narrative data…

The Fock-Schwinger gauge in the BFV formalism

DOE Office of Scientific and Technical Information (OSTI.GOV)

Barcelos-Neto, J.; Galvao, C.A.P.; Gaete, P.

1991-06-07

The authors consider the implementation of a properly modified form of the Fock-Schwinger gauge condition in a general non-Abelian gauge theory in the context of the BFV formalism. In this paper arguments are presented to justify the necessity of modifying the original Fock-Schwinger condition. The free field propagator and the general Ward identity are also calculated.

Clinical Judgment in Science: Reply

ERIC Educational Resources Information Center

Westen, Drew; Weinberger, Joel

2005-01-01

This paper presents replies to comments published by M. S. Schulz and R. J. Waldinger, J. M. Wood and M. T. Nezworski, and H. N. Garb and W. M. Grove on the original article by D. Westen and J. Weinberger. Schulz and Waldinger (2005) make the important point that just as researchers can capitalize on the knowledge of experienced clinical observers…

An Alternate Reality for Education? Lessons to Be Learned from Online Immersive Games

ERIC Educational Resources Information Center

Moseley, Alex

2012-01-01

Drawing on a participatory study of the Perplex City alternate reality game, this paper considers the data obtained through participation and a detailed survey of the most engaged players, in order to determine the most engaging features and suggest methods for their transfer to educational contexts. Originally presented at a conference in 2008,…

Young People's Views on Choice and Fairness through Their Experiences of Curriculum as Examination Specifications at GCSE

ERIC Educational Resources Information Center

Barrance, Rhian; Elwood, Jannette

2018-01-01

This paper presents data that consider ways in which young people experience the curriculum through the lens of subject examination syllabuses (for GCSEs), their associated assessment techniques and structures, and educational policies at national and school level concerning subject choice. Drawing upon an original qualitative dataset from a…

[Ergotismus convulsivus. the convulsive type of ergotism illustrated by an example in the year 1738].

PubMed

Priewer, Helmut; Priewer, Mathias

2010-01-01

This paper describes cases of ergotismus convulsivus (the kind of poisoning from ergotized grain marked by convulsions), some of them fatal, in the year 1738. The origins of the formation of the ergotized grain as well as the symptoms of ergotism are presented. Comparisons to other epidemics of ergotism are drawn.

The Effects of Social Injustice and Inequality on Children's Moral Judgments and Behavior: Towards a Theoretical Model

ERIC Educational Resources Information Center

Arsenio, William F.; Gold, Jason

2006-01-01

Our goal in this paper is to examine the potential origins of children's understanding of morally relevant transgressions, with a particular focus on how children's perceptions of both proximal and distal unfairness might influence their social reasoning and behavior. A preliminary theoretical model is presented that addresses connections among…

Structuring and Regulating Collaborative Learning in Higher Education with Wireless Networks and Mobile Tools

ERIC Educational Resources Information Center

Jarvela, Sanna; Naykki, Piia; Laru, Jari; Luokkanen, Tiina

2007-01-01

In our recent research we have explored possibilities to scaffold collaborative learning in higher education with wireless networks and mobile tools. The pedagogical ideas are grounded on concepts of collaborative learning, including the socially shared origin of cognition, as well as self-regulated learning theory. This paper presents our three…

Pilot-Scale Laboratory Instruction for Chemical Engineering: The Specific Case of the Pilot-Unit Leading Group

ERIC Educational Resources Information Center

Billet, Anne-Marie; Camy, Severine; Coufort-Saudejaud, Carole

2010-01-01

This paper presents an original approach for Chemical Engineering laboratory teaching that is currently applied at INP-ENSIACET (France). This approach, referred to as "pilot-unit leading group" is based on a partial management of the laboratories by the students themselves who become temporarily in charge of one specific laboratory. In…

Social Presence in the 21st Century: An Adjustment to the Community of Inquiry Framework

ERIC Educational Resources Information Center

Armellini, Alejandro; De Stefani, Magdalena

2016-01-01

The Community of Inquiry framework, originally proposed by Garrison, Anderson and Archer, identifies teaching, social and cognitive presences as central to a successful online educational experience. This paper presents the findings of a study conducted in Uruguay between 2007 and 2010. The research aimed to establish the role of cognitive, social…

Performance Analysis and Experimental Validation of the Direct Strain Imaging Method

Treesearch

Athanasios Iliopoulos; John G. Michopoulos; John C. Hermanson

2013-01-01

Direct Strain Imaging accomplishes full field measurement of the strain tensor on the surface of a deforming body, by utilizing arbitrarily oriented engineering strain measurements originating from digital imaging. In this paper an evaluation of the method’s performance with respect to its operating parameter space is presented along with a preliminary...

Contributions of Islamic Scholars to the Scientific Enterprise

ERIC Educational Resources Information Center

Faruqi, Yasmeen Mahnaz

2006-01-01

This paper presents a discussion regarding the role that Muslim scholars played in the development of scientific thinking in the Middle Ages. It argues that the Muslims were not just the preservers of the ancient and Greek knowledge, but that they contributed original works to the different fields of science. They were inspired by the Islamic view…

Scientific Experts and the Controversy about Teaching Creation/Evolution in the UK Press

ERIC Educational Resources Information Center

Allgaier, Joachim

2010-01-01

The issue whether creationist accounts of the origins of life should be taught in science education alongside or even instead Darwin's theory of evolution is controversial in many countries. In 2002 there was a controversy around teaching creationism in science classes at a secondary school in England. The research presented in this paper uses…

Gangs: The Origins and Impact of Contemporary Youth Gangs in the United States.

ERIC Educational Resources Information Center

Cummings, Scott, Ed.; Monti, Daniel J., Ed.

This book presents papers from some leading social scientists and scholars who examine the contemporary contours of America's gang problem. New material is provided on wilding (i.e., running amok for no specific reason) gangs, migration and drug trafficking, and public education disruption. Other topics involve organization of gangs, their social…

The Curl of a Vector Field: Beyond the Formula

ERIC Educational Resources Information Center

Burch, Kimberly Jordan; Choi, Youngna

2006-01-01

It has been widely acknowledged that there is some discrepancy in the teaching of vector calculus in mathematics courses and other applied fields. The curl of a vector field is one topic many students can calculate without understanding its significance. In this paper, we explain the origin of the curl after presenting the standard mathematical…

Developing a New System to Measure Outcomes in a Service Coordination Program for Youth with Severe Emotional Disturbance

ERIC Educational Resources Information Center

Shannon, Lisa M.; Walker, Robert; Blevins, Michele

2009-01-01

This paper presents information on re-developing an outcome evaluation for a state-funded program providing service coordination utilizing wraparound to youth with severe emotional disturbance (SED) and their families. Originally funded by the Robert Wood Johnson Foundation, the Kentucky IMPACT program has existed statewide since 1990. Changing…

Extensive Reading for Second Language Learners of Japanese in Higher Education: Graded Readers and Beyond

ERIC Educational Resources Information Center

Nakano, Teiko

2016-01-01

This paper reports on the implementation of Japanese extensive reading with international students studying at a Japanese university using graded readers (GRs). GRs chosen for the present study were simplified versions of original Japanese literature and were used to support students in acquiring a top-down reading strategy, a wide range of…

The Role of the Humanities in Decolonising the Academy

ERIC Educational Resources Information Center

Prinsloo, Estelle H.

2016-01-01

This short paper argues that the #RhodesMustFall movement, which originated at the University of Cape Town, has brought renewed attention to the need to decolonise the academy in South Africa. It further argues that the Humanities are ideally placed to engage with the intellectual problems and questions presented by the decolonisation debate. Deep…

Puerto Rican Women and Children: Issues in Health, Growth, and Development. Topics in Social Psychiatry.

ERIC Educational Resources Information Center

Lamberty, Gontran, Ed.; Coll, Cynthia Garcia, Ed.

Noting that most socioeconomic and demographic indicators are negative for Puerto Rican mothers and children, this book enhances the current knowledge about the growth and development of Puerto Rican mothers and children, and discusses the likely social origins of their suboptimal experiences. Thirteen papers are presented. The opening chapter…

Foreign Accent Syndrome: An Organic Disorder?

ERIC Educational Resources Information Center

Van Borsel, John; Janssens, Leen; Santens, Patrick

2005-01-01

This paper reports the case of a 32-year-old Dutch speaking woman who presented with foreign accent syndrome (FAS). There are good reasons to believe that the speech disturbance in this patient was of psychogenic origin. This case suggests that attested brain damage is not a prerequisite for a speech disorder to qualify as FAS and that FAS is not…

Mechatronics Engineering Education in India

ERIC Educational Resources Information Center

Bajpai, Shrish; Khare, Sushant

2015-01-01

Present paper aims to give an insight in the field of Mechatronics, specifically its standard of education in India. We have investigated this field right from its origin. We have analyzed how it expanded as a proper discipline of engineering and in which direction the development in this field is going now and, at the same time, its status of…

From the Intended to the Implemented Curriculum in Argentina: Regulation and Practice

ERIC Educational Resources Information Center

Gvirtz, Silvina; Beech, Jason

2004-01-01

In this paper, the authors offer an analysis of the relation between the intended and the implemented curriculum for primary education in Argentina, from the origins of the Argentine education system to the present day. They introduce the concept of "curricular regulation" as a method of analysis that includes not only the processes…

Proceedings of the Symposium on Chicanos and Welfare (Albuquerque, New Mexico, November 19-20, 1976).

ERIC Educational Resources Information Center

National Council of La Raza, Washington, DC.

The five papers presented at the symposium were discussed and reacted to by the participants. In "Values, Ideology and Social Services" a socio-philosophical approach is used to compare Chicano values to the origins and development of the values behind the Social Welfare System. "An Oral History of a Mexican Immigrant" presents…

On the Constitutive Response Characterization for Composite Materials Via Data-Driven Design Optimization

Treesearch

John G. Michopoulos; John G. Hermanson; Athanasios lliopoulos; Samuel Lambrakos; Tomonari Furukawa

2011-01-01

In the present paper we focus on demonstrating the use of design optimization for the constitutive characterization of anisotropic material systems such as polymer matrix composites, with or without damage. All approaches are based on the availability of experimental data originating from mechatronic material testing systems that can expose specimens to...

Darwin's Influence on Mendel: Evidence from a New Translation of Mendel's Paper.

PubMed

Fairbanks, Daniel J; Abbott, Scott

2016-10-01

Gregor Mendel's classic paper, Versuche über Pflanzen-Hybriden (Experiments on Plant Hybrids), was published in 1866, hence 2016 is its sesquicentennial. Mendel completed his experiments in 1863 and shortly thereafter began compiling the results and writing his paper, which he presented in meetings of the Natural Science Society in Brünn in February and March of 1865. Mendel owned a personal copy of Darwin's Origin of Species, a German translation published in 1863, and it contains his marginalia. Its publication date indicates that Mendel's study of Darwin's book could have had no influence while he was conducting his experiments but its publication date coincided with the period of time when he was preparing his paper, making it possible that Darwin's writings influenced Mendel's interpretations and theory. Based on this premise, we prepared a Darwinized English translation of Mendel's paper by comparing German terms Mendel employed with the same terms in the German translation of Origin of Species in his possession, then using Darwin's counterpart English words and phrases as much as possible in our translation. We found a substantially higher use of these terms in the final two (10th and 11th) sections of Mendel's paper, particularly in one key paragraph, where Mendel reflects on evolutionary issues, providing strong evidence of Darwin's influence on Mendel. Copyright © 2016 by the Genetics Society of America.

Darwin’s Influence on Mendel: Evidence from a New Translation of Mendel’s Paper

PubMed Central

Fairbanks, Daniel J.; Abbott, Scott

2016-01-01

Gregor Mendel’s classic paper, Versuche über Pflanzen-Hybriden (Experiments on Plant Hybrids), was published in 1866, hence 2016 is its sesquicentennial. Mendel completed his experiments in 1863 and shortly thereafter began compiling the results and writing his paper, which he presented in meetings of the Natural Science Society in Brünn in February and March of 1865. Mendel owned a personal copy of Darwin’s Origin of Species, a German translation published in 1863, and it contains his marginalia. Its publication date indicates that Mendel’s study of Darwin’s book could have had no influence while he was conducting his experiments but its publication date coincided with the period of time when he was preparing his paper, making it possible that Darwin’s writings influenced Mendel’s interpretations and theory. Based on this premise, we prepared a Darwinized English translation of Mendel’s paper by comparing German terms Mendel employed with the same terms in the German translation of Origin of Species in his possession, then using Darwin’s counterpart English words and phrases as much as possible in our translation. We found a substantially higher use of these terms in the final two (10th and 11th) sections of Mendel’s paper, particularly in one key paragraph, where Mendel reflects on evolutionary issues, providing strong evidence of Darwin’s influence on Mendel. PMID:27729491

Exo/Astrobiology in Europe

NASA Astrophysics Data System (ADS)

Brack, André; Horneck, Gerda; Wynn-Williams, David

2001-08-01

The question of the chemical origins of life is engraved in the European scientific patrimony as it can be traced back to the pioneer ideas of Charles Darwin, Louis Pasteur, and more recently to Alexander Oparin. During the last decades, the European community of origin of life scientists has organized seven out of the twelve International Conferences on the Origins of Life held since 1957. This community contributed also to enlarge the field of research to the study of life in extreme environments and to the search for extraterrestrial life, i.e. exobiology in its classical definition or astrobiology if one uses a more NASA-inspired terminology. The present paper aims to describe the European science background in exo/astrobiology as well as the project of a European Network of Exo/Astrobiology.

FUV Reflectance of Recently Prepared Al Protected with AlF3: COR Program Technology Development

NASA Technical Reports Server (NTRS)

Quijada, Manuel

2016-01-01

Astronomical observations in the Far Ultraviolet (FUV) spectral region are some of the more challenging due to the very distant and faint objects that are typically searched for in cosmic origin studies such as origin of large scale structure, the formation, evolution, and age of galaxies and the origin of stellar and planetary systems. These challenges are driving the need to improve the performance of optical coatings over a wide spectral range that would increase reflectance in mirrors and reduced absorption in dielectric filters used in optical telescope for FUV observations. This paper will present recent advances in reflectance performance for Al+AlF3 mirrors optimized for Lyman-alpha wavelength by performing the deposition of the AlF3 overcoat at elevated substrate temperatures.

Profiling quinones in ambient air samples collected from the Athabasca region (Canada).

PubMed

Wnorowski, Andrzej; Charland, Jean-Pierre

2017-12-01

This paper presents new findings on polycyclic aromatic hydrocarbon oxidation products-quinones that were collected in ambient air samples in the proximity of oil sands exploration. Quinones were characterized for their diurnal concentration variability, phase partitioning, and molecular size distribution. Gas-phase (GP) and particle-phase (PM) ambient air samples were collected separately in the summer; a lower quinone content was observed in the PM samples from continuous 24-h sampling than from combined 12-h sampling (day and night). The daytime/nocturnal samples demonstrated that nighttime conditions led to lower concentrations and some quinones not being detected. The highest quinone levels were associated with wind directions originating from oil sands exploration sites. The statistical correlation with primary pollutants directly emitted from oil sands industrial activities indicated that the bulk of the detected quinones did not originate directly from primary emission sources and that quinone formation paralleled a reduction in primary source NO x levels. This suggests a secondary chemical transformation of primary pollutants as the origin of the determined quinones. Measurements of 19 quinones included five that have not previously been reported in ambient air or in Standard Reference Material 1649a/1649b and seven that have not been previously measured in ambient air in the underivatized form. This is the first paper to report on quinone characterization in secondary organic aerosols originating from oil sands activities, to distinguish chrysenequinone and anthraquinone positional isomers in ambient air, and to report the requirement of daylight conditions for benzo[a]pyrenequinone and naphthacenequinone to be present in ambient air. Crown Copyright © 2017. Published by Elsevier Ltd. All rights reserved.

Using the fibre structure of paper to determine authenticity of the documents: analysis of transmitted light images of stamps and banknotes.

PubMed

Takalo, Jouni; Timonen, Jussi; Sampo, Jouni; Rantala, Maaria; Siltanen, Samuli; Lassas, Matti

2014-11-01

A novel method is presented for distinguishing postal stamp forgeries and counterfeit banknotes from genuine samples. The method is based on analyzing differences in paper fibre networks. The main tool is a curvelet-based algorithm for measuring overall fibre orientation distribution and quantifying anisotropy. Using a couple of more appropriate parameters makes it possible to distinguish forgeries from genuine originals as concentrated point clouds in two- or three-dimensional parameter space. Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.

How Formal Methods Impels Discovery: A Short History of an Air Traffic Management Project

NASA Technical Reports Server (NTRS)

Butler, Ricky W.; Hagen, George; Maddalon, Jeffrey M.; Munoz, Cesar A.; Narkawicz, Anthony; Dowek, Gilles

2010-01-01

In this paper we describe a process of algorithmic discovery that was driven by our goal of achieving complete, mechanically verified algorithms that compute conflict prevention bands for use in en route air traffic management. The algorithms were originally defined in the PVS specification language and subsequently have been implemented in Java and C++. We do not present the proofs in this paper: instead, we describe the process of discovery and the key ideas that enabled the final formal proof of correctness

Update on optical design of adaptive optics system at Lick Observatory

NASA Astrophysics Data System (ADS)

Bauman, Brian J.; Gavel, Donald T.; Waltjen, Kenneth E.; Freeze, Gary J.; Hurd, Randall L.; Gates, Elinor L.; Max, Claire E.; Olivier, Scot S.; Pennington, Deanna M.

2002-02-01

In 1999, we presented our plan to upgrade the adaptive optics (AO) system on the Lick Observatory Shane telescope (3m) from a prototype instrument pressed into field service to a facility instrument. This paper updates the progress of that plan and details several important improvements in the alignment and calibration of the AO bench. The paper also includes a discussion of the problems seen in the original design of the tip/tilt (t/t) sensor used in laser guide star mode, and how these problems were corrected with excellent results.

Vibration of high-voltage electric machines with rotors on rolling bearings

NASA Astrophysics Data System (ADS)

Shekyan, H. G.; Gevorgyan, A. V.

2018-04-01

The paper presents an investigation of vibrational activity of electric machines due to high-harmonic vibrational loadings. It is shown that the vibrational loadings experienced by bearings may result in the interruption of their normal operation and even take them out of action. Therefore, the values of the vibrational speed-up leading to high harmonics are factors determining the admissible dynamic loading on the bearings. In the paper, an attempt is made to consider the factors which result in origination of high harmonics and to illustrate methods for their smoothing.

Update on Optical Design of Adaptive Optics System at Lick Observatory

DOE Office of Scientific and Technical Information (OSTI.GOV)

Bauman, B J; Gavel, D T; Waltjen, K E

2001-07-31

In 1999, we presented our plan to upgrade the adaptive optics (AO) system on the Lick Observatory Shane telescope (3m) from a prototype instrument pressed into field service to a facility instrument. This paper updates the progress of that plan and details several important improvements in the alignment and calibration of the AO bench. The paper also includes a discussion of the problems seen in the original design of the tip/tilt (t/t) sensor used in laser guide star mode, and how these problems were corrected with excellent results.

What Can We Learn from the Study of Mexican-Origin Families in the U.S.?

PubMed Central

Updegraff, Kimberly A.; Umaña-Taylor, Adriana J.

2015-01-01

Mexican-origin families are a large and rapidly increasing subgroup of the U.S. population, but they remain underrepresented in family scholarship. This paper introduces a special section of four papers on Mexican-origin families designed to contribute to the advancement of research on how cultural, family, and gender socialization processes unfold across key developmental periods and life transitions in this cultural context. Two longitudinal studies of Mexican-origin families provided the data for these four papers: (a) The Juntos Project, an eight-year longitudinal study of mothers, fathers, and adolescent sibling pairs in 246 Mexican-origin families; and (b) The Supporting MAMI Project, a study following 204 adolescent mothers and their mother figures from the third trimester of pregnancy through their young children's 5th birthdays. In this introductory paper we highlight four themes, including (a) differential acculturation and reciprocal socialization, (b) interdependence in families, (c) the intersection of culture and gender, and (d) methodological issues, then offer suggestions for future research. PMID:25675994

Mexican-Origin Women's Employment Instability. Working Paper No. 51.

ERIC Educational Resources Information Center

De Anda, Roberto M.

This paper compares the causes and consequences of employment instability among Mexican-origin women, White women, and White men. Data came from the work experience supplement in the March 1995 file of the Current Population Survey for a sample that included 1,399 Mexican-origin women, 17,092 White women, and 24,440 White men. All were experienced…

76 FR 47550 - Certain Tissue Paper Products From the People's Republic of China: Notice of Rescission of the...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-08-05

... products produced from Chinese-origin jumbo rolls/ sheets.\\3\\ We determined in the Preliminary Results, as... paper products produced using Chinese-origin jumbo rolls/sheets. Further, based on AFA, we preliminarily... produced by MFVN from Chinese-origin jumbo rolls/sheets is China. Consequently, we assigned MFVN a cash...

NACA Conference on Aircraft Loads, Structures, and Flutter

NASA Technical Reports Server (NTRS)

1957-01-01

This document contains reproductions of technical papers on some of the most recent research results on aircraft loads, flutter, and structures from the NACA laboratories. These papers were presented by members of the staff of the NACA laboratories at the Conference held at the Langley Aeronautical Laboratory March 5, 6, and 7, 1957. The primary purpose of this Conference was to convey to contractors of the military services and others concerned with the design of aircraft these recent research results and to provide those attending an opportunity to discuss the results. The papers in this document are in the same form in which they were presented at the Conference in order to facilitate their prompt distribution. The original presentation and this record are considered as complementary to, rather than as substitutes for, the Committee?s more complete and formal reports. Accordingly, if information from this document is utilized it is requested that this document not be listed as a reference. Individual reports dealing with most of the information presented at the Conference will subsequently be published by NACA and will therefore be suitable as reference material.

Telemedicine and eHealth in Poland from 1995 to 2015.

PubMed

Glinkowski, Wojciech M; Karlińska, Maria; Karliński, Michał; Krupiński, Elizabeth A

2018-02-01

The aim of this study is to present a review based on the literature and proceedings from selected telemedicine conferences. The review was developed using the PRISMA framework. The Embase and PubMed (updated until July 13, 2015) literature databases were searched for telemedicine-related terms and Poland. The literature search identified 129 eligible articles in the databases and 85 in conference proceedings until July 2015. Articles measured as a number of contributions per year presented a similar rising, fluctuating and almost parallel pattern. Fifty-nine percent of the reviewed papers were published in impacted journals. Almost half of all publications presented original papers. The published articles concerned mostly cardiology (16%), family medicine (15%) and pathology (11%). Conference proceedings papers concerned orthopedics (29%, significantly more frequent; p < 0.001) and cardiology (14%). Scientific activity of researchers and practitioners in Poland in the field of telemedicine is not high, but it is increasing over time. There is a tendency to present the research rather in high-quality journals instead of conferences before publication. The occurrence of individual medical specialty telemedicine in Poland may reflect country-specific needs.

An original use in low colo-rectal anastomosis of the new surgical device "grasping tie".

PubMed

Picardi, Nicola

2005-01-01

The grasping tie is an original and mechanical tool, conceived and planned to be used in digestive surgery to do the equivalent of a purse string. Its use is conceived to make easier the mechanical anastomosis in the more difficult situations as the oesophago-jejunal or the very low colo-rectal ones, as in the example of the presented paper. A thin ribbon of nylon will be progressively tightened as a one-way running knot upon the tract of the gut, either directly or about the axis of a circular stapler. Once completed the stapler suture it will be completely extracted together with the muscle-mucosal rings, so that nothing of the ribbon remains in the patient. The use of the grasping tie is also advantageous in quickly closing the gut above and below a tumour, to a safer manipulation and to reduce the contamination of the operative field. An original and useful use of the grasping tie is demonstrated in the present paper for the surgical treatment of a low rectal cancer with preservation of the anus. Its use is that to close the distal stump of the rectum below the tumour, to take away from the pelvis the proximal stump with the tumour, and then to proceed to the mechanical anastomosis in a now wide operatory field, introducing in the anus an enteral dilator and preparing on it the definitive purse string, as illustrated.

Aspect-dependent radiated noise analysis of an underway autonomous underwater vehicle.

PubMed

Gebbie, John; Siderius, Martin; Allen, John S

2012-11-01

This paper presents an analysis of the acoustic emissions emitted by an underway REMUS-100 autonomous underwater vehicle (AUV) that were obtained near Honolulu Harbor, HI using a fixed, bottom-mounted horizontal line array (HLA). Spectral analysis, beamforming, and cross-correlation facilitate identification of independent sources of noise originating from the AUV. Fusion of navigational records from the AUV with acoustic data from the HLA allows for an aspect-dependent presentation of calculated source levels of the strongest propulsion tone.

Cassini/VIMS observations of the moon

USGS Publications Warehouse

Belluci, G.; Brown, R.H.; Formisano, V.; Baines, K.H.; Bibring, J.-P.; Buratti, B.J.; Capaccioni, F.; Cerroni, P.; Clark, R.N.; Coradini, A.; Cruikshank, D.P.; Drossart, P.; Jaumann, R.; Langevin, Y.; Matson, D.L.; McCord, T.B.; Mennella, V.; Miller, E.; Nelson, R.M.; Nicholson, P.D.; Sicardy, B.; Sotin, Christophe

2002-01-01

In this paper, we present preliminary scientific results obtained from the analysis of VIMS (Visible and Infrared Mapping Spectrometer) lunar images and spectra. These data were obtained during the Cassini Earth flyby in August 1999. Spectral ratios have been produced in order to derive lunar mineralogical maps. Some spectra observed at the north-east lunar limb, show few unusual absorption features located at 0.357, 0.430 and 0.452 ??m, the origin of which is presently unknown. ?? 2002 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

Molecular evolution: concepts and the origin of disciplines.

PubMed

Suárez-Díaz, Edna

2009-03-01

This paper focuses on the consolidation of Molecular Evolution, a field originating in the 1960s at the interface of molecular biology, biochemistry, evolutionary biology, biophysics and studies on the origin of life and exobiology. The claim is made that Molecular Evolution became a discipline by integrating different sorts of scientific traditions: experimental, theoretical and comparative. The author critically incorporates Timothy Lenoir's treatment of disciplines (1997), as well as ideas developed by Stephen Toulmin (1962) on the same subject. On their account disciplines are spaces where the social and epistemic dimensions of science are deeply and complexly interwoven. However, a more detailed account of discipline formation and the dynamics of an emerging disciplinary field is lacking in their analysis. The present essay suggests focusing on the role of scientific concepts in the double configuration of disciplines: the social/political and the epistemic order. In the case of Molecular Evolution the concepts of molecular clock and informational molecules played a central role, both in differentiating molecular from classical evolutionists, and in promoting communication between the different sorts of traditions integrated in Molecular Evolution. The paper finishes with a reflection on the historicity of disciplines, and the historicity of our concepts of disciplines.

Generalization of the lightning electromagnetic equations of Uman, McLain, and Krider based on Jefimenko equations

DOE PAGES

Shao, Xuan-Min

2016-04-12

The fundamental electromagnetic equations used by lightning researchers were introduced in a seminal paper by Uman, McLain, and Krider in 1975. However, these equations were derived for an infinitely thin, one-dimensional source current, and not for a general three-dimensional current distribution. In this paper, we introduce a corresponding pair of generalized equations that are determined from a three-dimensional, time-dependent current density distribution based on Jefimenko's original electric and magnetic equations. To do this, we derive the Jefimenko electric field equation into a new form that depends only on the time-dependent current density similar to that of Uman, McLain, and Krider,more » rather than on both the charge and current densities in its original form. The original Jefimenko magnetic field equation depends only on current, so no further derivation is needed. We show that the equations of Uman, McLain, and Krider can be readily obtained from the generalized equations if a one-dimensional source current is considered. For the purpose of practical applications, we discuss computational implementation of the new equations and present electric field calculations for a three-dimensional, conical-shape discharge.« less

Response of MDOF strongly nonlinear systems to fractional Gaussian noises.

PubMed

Deng, Mao-Lin; Zhu, Wei-Qiu

2016-08-01

In the present paper, multi-degree-of-freedom strongly nonlinear systems are modeled as quasi-Hamiltonian systems and the stochastic averaging method for quasi-Hamiltonian systems (including quasi-non-integrable, completely integrable and non-resonant, completely integrable and resonant, partially integrable and non-resonant, and partially integrable and resonant Hamiltonian systems) driven by fractional Gaussian noise is introduced. The averaged fractional stochastic differential equations (SDEs) are derived. The simulation results for some examples show that the averaged SDEs can be used to predict the response of the original systems and the simulation time for the averaged SDEs is less than that for the original systems.

A new neural network model for solving random interval linear programming problems.

PubMed

Arjmandzadeh, Ziba; Safi, Mohammadreza; Nazemi, Alireza

2017-05-01

This paper presents a neural network model for solving random interval linear programming problems. The original problem involving random interval variable coefficients is first transformed into an equivalent convex second order cone programming problem. A neural network model is then constructed for solving the obtained convex second order cone problem. Employing Lyapunov function approach, it is also shown that the proposed neural network model is stable in the sense of Lyapunov and it is globally convergent to an exact satisfactory solution of the original problem. Several illustrative examples are solved in support of this technique. Copyright © 2017 Elsevier Ltd. All rights reserved.

Response of MDOF strongly nonlinear systems to fractional Gaussian noises

DOE Office of Scientific and Technical Information (OSTI.GOV)

Deng, Mao-Lin; Zhu, Wei-Qiu, E-mail: wqzhu@zju.edu.cn

2016-08-15

In the present paper, multi-degree-of-freedom strongly nonlinear systems are modeled as quasi-Hamiltonian systems and the stochastic averaging method for quasi-Hamiltonian systems (including quasi-non-integrable, completely integrable and non-resonant, completely integrable and resonant, partially integrable and non-resonant, and partially integrable and resonant Hamiltonian systems) driven by fractional Gaussian noise is introduced. The averaged fractional stochastic differential equations (SDEs) are derived. The simulation results for some examples show that the averaged SDEs can be used to predict the response of the original systems and the simulation time for the averaged SDEs is less than that for the original systems.

OpenIPSL: Open-Instance Power System Library - Update 1.5 to "iTesla Power Systems Library (iPSL): A Modelica library for phasor time-domain simulations"

NASA Astrophysics Data System (ADS)

Baudette, Maxime; Castro, Marcelo; Rabuzin, Tin; Lavenius, Jan; Bogodorova, Tetiana; Vanfretti, Luigi

2018-01-01

This paper presents the latest improvements implemented in the Open-Instance Power System Library (OpenIPSL). The OpenIPSL is a fork from the original iTesla Power Systems Library (iPSL) by some of the original developers of the iPSL. This fork's motivation comes from the will of the authors to further develop the library with additional features tailored to research and teaching purposes. The enhancements include improvements to existing models, the addition of a new package of three phase models, and the implementation of automated tests through continuous integration.

A plug-in to Eclipse for VHDL source codes: functionalities

NASA Astrophysics Data System (ADS)

Niton, B.; Poźniak, K. T.; Romaniuk, R. S.

The paper presents an original application, written by authors, which supports writing and edition of source codes in VHDL language. It is a step towards fully automatic, augmented code writing for photonic and electronic systems, also systems based on FPGA and/or DSP processors. An implementation is described, based on VEditor. VEditor is a free license program. Thus, the work presented in this paper supplements and extends this free license. The introduction characterizes shortly available tools on the market which serve for aiding the design processes of electronic systems in VHDL. Particular attention was put on plug-ins to the Eclipse environment and Emacs program. There are presented detailed properties of the written plug-in such as: programming extension conception, and the results of the activities of formatter, re-factorizer, code hider, and other new additions to the VEditor program.

Practical aspects of using a neural network to solve inverse geophysical problems

NASA Astrophysics Data System (ADS)

Yakimenko, A. A.; Morozov, A. E.; Karavaev, D. A.

2018-05-01

In this paper, an approach to solve an inverse problem of geophysics, such as determining the position of an object (cavity or cavern) and its geometrical parameters according to the propagation picture of a wave field, is proposed. At present there are no fast and accurate methods for determining such parameters. In this paper, a method based on neural networks (NNs) is proposed and a possible architecture of the NN is presented. The results of experiments on implementing and training the NN are also presented. The model obtained shows the presence of an "understanding" of the input data, demonstrating answers that are similar to the original data. In the NN answers, one can identify a relationship between the quality of the network response and the number of waves that have passed through the medium’s object being investigated.

[Risk on bias assessment: (6) A Revised Tool for the Quality Assessment on Diagnostic Accuracy Studies (QUADAS-2)].

PubMed

Qu, Y J; Yang, Z R; Sun, F; Zhan, S Y

2018-04-10

This paper introduced the Revised Tool for the Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2), including the development and comparison with the original QUADAS, and illustrated the application of QUADAS-2 in a published paper related to the study on diagnostic accuracy which was included in systematic review and Meta-analysis. QUADAS-2 presented considerable improvement over the original tool. Confused items that included in QUADAS had disappeared and the quality assessment of the original study replaced by the rating of risk on bias and applicability. This was implemented through the description on the four main domains with minimal overlapping and answering the signal questions in each domain. The risk of bias and applicability with 'high','low' or 'unclear' was in line with the risk of bias assessment of intervention studies in Cochrane, so to replace the total score of quality assessment in QUADAS. Meanwhile, QUADAS-2 was also applicable to assess the diagnostic accuracy studies in which follow-up without prognosis was involved in golden standard. It was useful to assess the overall methodological quality of the study despite more time consuming than the original QUADAS. However, QUADAS-2 needs to be modified to apply in comparative studies on diagnostic accuracy and we hope the users would follow the updates and give their feedbacks on line.

Robust stability bounds for multi-delay networked control systems

NASA Astrophysics Data System (ADS)

Seitz, Timothy; Yedavalli, Rama K.; Behbahani, Alireza

2018-04-01

In this paper, the robust stability of a perturbed linear continuous-time system is examined when controlled using a sampled-data networked control system (NCS) framework. Three new robust stability bounds on the time-invariant perturbations to the original continuous-time plant matrix are presented guaranteeing stability for the corresponding discrete closed-loop augmented delay-free system (ADFS) with multiple time-varying sensor and actuator delays. The bounds are differentiated from previous work by accounting for the sampled-data nature of the NCS and for separate communication delays for each sensor and actuator, not a single delay. Therefore, this paper expands the knowledge base in multiple inputs multiple outputs (MIMO) sampled-data time delay systems. Bounds are presented for unstructured, semi-structured, and structured perturbations.

Sixty years of the Interamerican Society of Psychology (SIP): origins and development.

PubMed

Gallegos, Miguel

2013-01-01

This paper presents a historical overview of the Interamerican Society of Psychology, which was founded on December 17, 1951, in Mexico City. Firstly, the historical circumstances of the foundation period are presented, as well as the people who made this organization possible, and the state of psychology on the American continent at that time. Secondly, the most important activities that the Interamerican Society of Psychology has developed during its 60 years are mentioned, such as the publication of books and scientific journals, the creation of several task forces and the Interamerican Congresses of Psychology. Basically, the purpose of this paper is to review the history of the Interamerican Society of Psychology through the recovery and use of various documentary sources.

Divergence time estimates of mammals from molecular clocks and fossils: relevance of new fossil finds from India.

PubMed

Prasad, G V R

2009-11-01

This paper presents a brief review of recent advances in the classification of mammals at higher levels using fossils and molecular clocks. It also discusses latest fossil discoveries from the Cretaceous - Eocene (66-55 m.y.) rocks of India and their relevance to our current understanding of placental mammal origins and diversifications.

Papermaking and Poetry. ArtsEdge Curricula, Lessons and Activities.

ERIC Educational Resources Information Center

Withroe, J.

In this lesson, designed to be taught within a unit on China, primary-grade students will learn about the history of papermaking and its origins in China and even learn how to make their own paper. After learning about Chinese art and culture in the lesson, students will write their own "cinquain" poem about China. The lesson presents an…

Education Empowerment Model for the Disabled Learners: A Case Study at Cicendo School for Special Education

ERIC Educational Resources Information Center

Kamil, Mustofa; Shantini, Yanti; Sardin

2015-01-01

This paper originates from a study conducted to examine the challenges faced by the Schools for Special Education (SLB) in their effort to empower people living with disabilities. The study aimed: 1) to describe the stages involved in the education for empowerment of the disabled groups through schools for special education, 2) to present an…

What about a Simple Language? Analyzing the Difficulties in Learning to Program

ERIC Educational Resources Information Center

Mannila, Linda; Peltomaki, Mia; Salakoski, Tapio

2006-01-01

In this paper, we present the results from a two-part study. We analyze 60 programs written by novice programmers aged 16-19 after their first programming course, in either Java or Python. The aim is to find difficulties independent of the language used, and such originating from the language. Second, we analyze the transition from a…

Didactic Situations and Didactical Engineering in University Mathematics: Cases from the Study of Calculus and Proof

ERIC Educational Resources Information Center

González-Martín, Alejandro S.; Bloch, Isabelle; Durand-Guerrier, Viviane; Maschietto, Michela

2014-01-01

This paper discusses the use of the "Theory of Didactic Situations" (TDS) at university level, paying special attention to the constraints and specificities of its use at this level. We begin by presenting the origins and main tenets of this approach, and discuss how these tenets are used towards the design of "Didactical…

Comparison of rotation algorithms for digital images

NASA Astrophysics Data System (ADS)

Starovoitov, Valery V.; Samal, Dmitry

1999-09-01

The paper presents a comparative study of several algorithms developed for digital image rotation. No losing generality we studied gray scale images. We have tested methods preserving gray values of the original images, performing some interpolation and two procedures implemented into the Corel Photo-paint and Adobe Photoshop soft packages. By the similar way methods for rotation of color images may be evaluated also.

The Chief Information Officer in Higher Education. Professional Paper Series, #4.

ERIC Educational Resources Information Center

Penrod, James I.; And Others

The monograph examines the literature of the last decade on the rise and role of the Chief Information Officer (CIO) in higher education, business, and health care and reports results of a 1989 survey of higher education CIOs. After a discussion of the origins of the CIO position and concept, chapter 2 presents a survey of the literature,…

Pensive Professionalism: The Role of 'Required Reflection' on a Professional Doctorate

ERIC Educational Resources Information Center

Cunningham, Bryan

2018-01-01

This short paper examines the origins and nature of the reflective writing that is presently required on one part-taught doctorate in education (EdD) programme. It explores the various ways in which EdD candidates have engaged with self-reflection, using a number of extracts from writing submitted for formal assessments (including of the doctoral…

Re-evaluation of cosmic ray cutoff terminology

NASA Technical Reports Server (NTRS)

Cooke, D. J.; Humble, J. E.; Shea, M. A.; Smart, D. F.; Lund, N.; Rasmussen, I. L.; Byrnak, B.; Goret, P.; Petrou, N.

1985-01-01

The study of cosmic ray access to locations inside the geomagnetic field has evolved in a manner that has led to some misunderstanding and misapplication of the terminology originally developed to describe particle access. This paper presents what is believed to be a useful set of definitions for cosmic ray cutoff terminology for use in theoretical and experimental cosmic ray studies.

Tight but Loose: Scaling up Teacher Professional Development in Diverse Contexts. Research Report. ETS RR-08-29

ERIC Educational Resources Information Center

Wylie, E. Caroline, Ed.

2008-01-01

This series of papers was originally presented as a symposium at the annual meetings of the American Educational Research Association (AERA) and the National Council on Measurement in Education (NCME) held between April 9, 2007, and April 13, 2007, in Chicago, IL. The authors represent school districts and departments of education across the…

"[A]s if She Defied the World in her Joyousness": Rereading Darwin on Emotion and Emotional Development

ERIC Educational Resources Information Center

Conrad, Rachel

2004-01-01

Darwin's ideas about emotion are known from his published scientific writings [e.g., Darwin, 1872/1998, 1877], which focus primarily on the evolutionary origins of emotional expressions. The present paper offers an analysis of a personal document--Darwin's memorial of his daughter Annie, who died at age 10 [Darwin, 1989]--which reveals additional…

Early Writing among Ancient Vikings and Today's Pre-Schoolers: A Cognitive Developmental Perspective on Reading Acquisition and Alphabets as Effective Artefacts

ERIC Educational Resources Information Center

Olofsson, Ake

2008-01-01

The present paper reports some observations on pre-school children's spontaneous as well as adult-supported spelling behaviour and makes comparisons between aspects of these early literacy activities and some features of spellings from mostly twelfth- to fourteenth-century Norwegian runic inscriptions. The runic inscriptions originate from a…

"Unnatural Deeds Do Breed Unnatural Troubles": A Study of Lady Macbeth's Cruelty

ERIC Educational Resources Information Center

Rahman, Muhammad Safiur; Tajuddin, Mohammad

2015-01-01

The study of evil is one of the recurrent themes in the plays of Shakespeare. In "Macbeth," the playwright presents different dimensions of evil. The aim of this paper is to locate and examine the origin of evil in Lady Macbeth--whether evil is in her nature or not. Macbeth addresses her as "dearest partner of greatness",…

Trends in Prevalence and Characteristics of Post-Neonatal Cerebral Palsy Cases: A European Registry-Based Study

ERIC Educational Resources Information Center

Germany, Laurence; Ehlinger, Virginie; Klapouszczak, Dana; Delobel, Malika; Hollody, Katalin; Sellier, Elodie; De La Cruz, Javier; Alberge, Corine; Genolini, Christophe; Arnaud, Catherine

2013-01-01

The present paper aims to analyze trends over time in prevalence of cerebral palsy of post-neonatal origin, to investigate whether changes are similar according to severity and to describe the disability profile by etiology. Post-neonatal cases, birth years 1976 to 1998, were identified from the Surveillance of Cerebral Palsy in Europe…

Spare-Time Education for Workers in Communist China. Bulletin, 1964, No. 30. OE-14102

ERIC Educational Resources Information Center

Harper, Paul

1964-01-01

This analysis of the important industry-centered spare time school system in Communist China is a substantially revised version of a paper originally prepared for oral presentation at the annual meeting of the Association for Asian Studies in March 1963. The author is specializing in the study of Communist China at Cornell University, where he is…

Secondary Students' Dynamic Modeling Processes: Analyzing, Reasoning About, Synthesizing, and Testing Models of Stream Ecosystems.

ERIC Educational Resources Information Center

Stratford, Steven J.; Krajeik, Joseph; Soloway, Elliot

This paper presents the results of a study of the cognitive strategies in which ninth-grade science students engaged as they used a learner-centered dynamic modeling tool (called Model-It) to make original models based upon stream ecosystem scenarios. The research questions were: (1) In what Cognitive Strategies for Modeling (analyzing, reasoning,…

Radiation Issues Surrounding Very High Energy Ion Implantation

NASA Astrophysics Data System (ADS)

White, Nicholas R.; Tokoro, Nobuhiro; Bell, Edward

2008-11-01

The requirements for doping of semiconductor device layers have pushed the boundaries of implanter energy, for example, with the use of >5 MeV energies for fabrication of optical sensory arrays. With the higher energy comes the need to understand associated radiation risks. This paper presents original measured data quantifying the range in which safe commercial implantation can be accomplished without radiation hazards.

American and Chinese Students' Profiles Based on Spanish-Learning Strategies: A Transcultural Comparison

ERIC Educational Resources Information Center

Bernardo, Aránzazu; Amérigo, María; García, Juan A.

2017-01-01

This paper presents a study on the use of learning strategies in foreign languages, and more specifically Spanish. The study was conducted with 376 Chinese and American students who were studying Spanish in their countries of origin. The results obtained from a latent class cluster analysis identified five groups of participants based on the…

Categorization of Digital Games in English Language Learning Studies: Introducing the SSI Model

ERIC Educational Resources Information Center

Sundqvist, Pia

2013-01-01

The main aim of the present paper is to introduce a model for digital game categorization suitable for use in English language learning studies: the Scale of Social Interaction (SSI) Model (original idea published as Sundqvist, 2013). The SSI Model proposes a classification of commercial off-the-shelf (COTS) digital games into three categories:…

Avoiding Split Attention in Computer-Based Testing: Is Neglecting Additional Information Facilitative?

ERIC Educational Resources Information Center

Jarodzka, Halszka; Janssen, Noortje; Kirschner, Paul A.; Erkens, Gijsbert

2015-01-01

This study investigated whether design guidelines for computer-based learning can be applied to computer-based testing (CBT). Twenty-two students completed a CBT exam with half of the questions presented in a split-screen format that was analogous to the original paper-and-pencil version and half in an integrated format. Results show that students…

Geocapabilities and Curriculum Leadership: Balancing the Priorities of Aim-Based and Knowledge-Led Curriculum Thinking in Schools

ERIC Educational Resources Information Center

Uhlenwinkel, Anke; Béneker, Tine; Bladh, Gabriel; Tani, Sirpa; Lambert, David

2017-01-01

The small-scale research presented in this paper was conducted as part of the GeoCapabilities project. Though originating in the Anglophone world, the project attempts to address the purposes and values of geography education internationally. Using the idea of "powerful disciplinary knowledge" the project asks what geography has to offer…

Integration Processes of a Romanian Group in a Huelva Village through Family Life Stories

ERIC Educational Resources Information Center

Díaz-Reales, Antonia-María; Aguaded-Gómez, Ignacio

2015-01-01

This paper examines the integration of Romanian immigrants in Lucena del Puerto (Huelva, Spain) through the life stories of two families of Romanian origin. The experiences of the groups presented in this study were analyzed. Both families were in the town for work, to grow and harvest strawberries. We observed a contrast between idealistic views…

Why Are Macros Not Used? A Brief Review and an Approach for Improving Training

ERIC Educational Resources Information Center

Yechiam, Eldad

2006-01-01

Macros are programming scripts that can be generated by recording users' actions. It appears that despite their potential for reducing monotonous work, they are under-used by non-programmers. The present paper reviews the literature on the use of macros. Included is an original study that examines the effect of adding the "search and replace"…

Toward a next-generation high-energy gamma-ray telescope. Proceedings

DOE Office of Scientific and Technical Information (OSTI.GOV)

Bloom, E.D.; Evans, L.L.

It has been some time between the time of the first Gamma-ray Large Area Space Telescope (GLAST) workshop, Towards a Next Generation High-Energy Gamma-Ray Telescope, in late August 1994, and the publication of a partial proceedings of that meeting. Since then there has been considerable progress in both the technical and project development of GLAST. From its origins at SLAC/Stanford in early 1992, the collaboration has currently grown to more than 20 institutions from France, Germany, Italy, Japan, and the US, and is still growing. About half of these are astrophysics/astronomy institutions; the other half are high-energy physics institutions. Aboutmore » 100 astronomers, astrophysicists, and particle physicists are currently spending some fraction of their time on the GLAST R and D program. The late publication date of this proceedings has resulted in some additions to the original content of the meeting. The first paper is actually a brochure prepared for NASA by Peter Michelson in early 1996. Except for the appendix, the other papers in the proceedings were presented at the conference, and written up over the following two years. Some presentations were never written up.« less

Knowledge Driven Image Mining with Mixture Density Mercer Kernels

NASA Technical Reports Server (NTRS)

Srivastava, Ashok N.; Oza, Nikunj

2004-01-01

This paper presents a new methodology for automatic knowledge driven image mining based on the theory of Mercer Kernels; which are highly nonlinear symmetric positive definite mappings from the original image space to a very high, possibly infinite dimensional feature space. In that high dimensional feature space, linear clustering, prediction, and classification algorithms can be applied and the results can be mapped back down to the original image space. Thus, highly nonlinear structure in the image can be recovered through the use of well-known linear mathematics in the feature space. This process has a number of advantages over traditional methods in that it allows for nonlinear interactions to be modelled with only a marginal increase in computational costs. In this paper, we present the theory of Mercer Kernels, describe its use in image mining, discuss a new method to generate Mercer Kernels directly from data, and compare the results with existing algorithms on data from the MODIS (Moderate Resolution Spectral Radiometer) instrument taken over the Arctic region. We also discuss the potential application of these methods on the Intelligent Archive, a NASA initiative for developing a tagged image data warehouse for the Earth Sciences.

Knowledge Driven Image Mining with Mixture Density Mercer Kernals

NASA Technical Reports Server (NTRS)

Srivastava, Ashok N.; Oza, Nikunj

2004-01-01

This paper presents a new methodology for automatic knowledge driven image mining based on the theory of Mercer Kernels, which are highly nonlinear symmetric positive definite mappings from the original image space to a very high, possibly infinite dimensional feature space. In that high dimensional feature space, linear clustering, prediction, and classification algorithms can be applied and the results can be mapped back down to the original image space. Thus, highly nonlinear structure in the image can be recovered through the use of well-known linear mathematics in the feature space. This process has a number of advantages over traditional methods in that it allows for nonlinear interactions to be modelled with only a marginal increase in computational costs. In this paper we present the theory of Mercer Kernels; describe its use in image mining, discuss a new method to generate Mercer Kernels directly from data, and compare the results with existing algorithms on data from the MODIS (Moderate Resolution Spectral Radiometer) instrument taken over the Arctic region. We also discuss the potential application of these methods on the Intelligent Archive, a NASA initiative for developing a tagged image data warehouse for the Earth Sciences.

Modeling of fracture of protective concrete structures under impact loads

NASA Astrophysics Data System (ADS)

Radchenko, P. A.; Batuev, S. P.; Radchenko, A. V.; Plevkov, V. S.

2015-10-01

This paper presents results of numerical simulation of interaction between a Boeing 747-400 aircraft and the protective shell of a nuclear power plant. The shell is presented as a complex multilayered cellular structure consisting of layers of concrete and fiber concrete bonded with steel trusses. Numerical simulation was performed three-dimensionally using the original algorithm and software taking into account algorithms for building grids of complex geometric objects and parallel computations. Dynamics of the stress-strain state and fracture of the structure were studied. Destruction is described using a two-stage model that allows taking into account anisotropy of elastic and strength properties of concrete and fiber concrete. It is shown that wave processes initiate destruction of the cellular shell structure; cells start to destruct in an unloading wave originating after the compression wave arrival at free cell surfaces.

Embedding QR codes in tumor board presentations, enhancing educational content for oncology information management.

PubMed

Siderits, Richard; Yates, Stacy; Rodriguez, Arelis; Lee, Tina; Rimmer, Cheryl; Roche, Mark

2011-01-01

Quick Response (QR) Codes are standard in supply management and seen with increasing frequency in advertisements. They are now present regularly in healthcare informatics and education. These 2-dimensional square bar codes, originally designed by the Toyota car company, are free of license and have a published international standard. The codes can be generated by free online software and the resulting images incorporated into presentations. The images can be scanned by "smart" phones and tablets using either the iOS or Android platforms, which link the device with the information represented by the QR code (uniform resource locator or URL, online video, text, v-calendar entries, short message service [SMS] and formatted text). Once linked to the device, the information can be viewed at any time after the original presentation, saved in the device or to a Web-based "cloud" repository, printed, or shared with others via email or Bluetooth file transfer. This paper describes how we use QR codes in our tumor board presentations, discusses the benefits, the different QR codes from Web links and how QR codes facilitate the distribution of educational content.

Trends in articles published over the past 20 years in the journal of chiropractic education: country of origin, academic affiliation, and data versus nondata studies.

PubMed

Johnson, Claire D; Green, Bart N

2008-01-01

To review trends in articles published during the first 20 years of The Journal of Chiropractic Education (JCE), which is the primary periodical that publishes chiropractic educational research. This study focused on article type, country of origin, contributions by institutions, use of references, and use of structured abstracts. All volumes of the JCE were retrieved (1987-2006). Only full articles were included in this study; abstracts from proceedings and ephemera were excluded from this analysis. Articles that presented no data (eg, commentary, narrative descriptions) were classified as nondata articles. Articles that reported data (eg, experimental studies, survey research, etc) were classified as data articles. Each article was reviewed by hand for the type of study (data vs nondata), geographic region of origin, college of origin, use of references, and the presence of a structured or unstructured abstract. After applying the inclusion and exclusion criteria, 153 papers were assessed. Published articles came from 5 countries and represented 23 chiropractic colleges. A majority (80.2%) of papers were from the United States. Of all articles, 101 articles (66%) were nondata in nature. Consistent use of references and structured abstracts increased over time. During its first 20 years, the JCE has published more nondata than data studies and the number of data papers published per year has remained constant. The journal has reached a consistent level of quality in its publication of manuscripts containing structured abstracts and references, and articles have been authored primarily by US authors. It is recommended that more efforts and resources are dedicated to data-driven studies and that greater geographic diversity is obtained to better represent the worldwide distribution of the chiropractic profession's educational institutions.

Preface to the Focus Issue: chaos detection methods and predictability.

PubMed

Gottwald, Georg A; Skokos, Charalampos

2014-06-01

This Focus Issue presents a collection of papers originating from the workshop Methods of Chaos Detection and Predictability: Theory and Applications held at the Max Planck Institute for the Physics of Complex Systems in Dresden, June 17-21, 2013. The main aim of this interdisciplinary workshop was to review comprehensively the theory and numerical implementation of the existing methods of chaos detection and predictability, as well as to report recent applications of these techniques to different scientific fields. The collection of twelve papers in this Focus Issue represents the wide range of applications, spanning mathematics, physics, astronomy, particle accelerator physics, meteorology and medical research. This Preface surveys the papers of this Issue.

High efficiency novel window air conditioner

DOE PAGES

Bansal, Pradeep

2015-07-24

This paper presents the technical development of a high efficiency window air conditioner. In order to achieve higher energy efficiency ratio (EER), the original capacity of the R410A unit was downgraded by replacing the original compressor with a lower capacity but higher EER compressor, while all heat exchangers and the chassis from the original unit were retained. The other subsequent major modifications included – the AC fan motor being replaced with a brushless high efficiency electronically commuted motor (ECM) motor, the capillary tube being replaced with a needle valve to better control the refrigerant flow and refrigerant set points, andmore » R410A being replaced with drop-in environmentally friendly binary mixture of R32 (85% molar concentration)/R125 (15% molar concentration). All these modifications resulted in significant EER enhancement of the modified unit.« less

High efficiency novel window air conditioner

DOE Office of Scientific and Technical Information (OSTI.GOV)

Bansal, Pradeep

This paper presents the technical development of a high efficiency window air conditioner. In order to achieve higher energy efficiency ratio (EER), the original capacity of the R410A unit was downgraded by replacing the original compressor with a lower capacity but higher EER compressor, while all heat exchangers and the chassis from the original unit were retained. The other subsequent major modifications included – the AC fan motor being replaced with a brushless high efficiency electronically commuted motor (ECM) motor, the capillary tube being replaced with a needle valve to better control the refrigerant flow and refrigerant set points, andmore » R410A being replaced with drop-in environmentally friendly binary mixture of R32 (85% molar concentration)/R125 (15% molar concentration). All these modifications resulted in significant EER enhancement of the modified unit.« less

Recent developments in the Dorfman-Berbaum-Metz procedure for multireader ROC study analysis.

PubMed

Hillis, Stephen L; Berbaum, Kevin S; Metz, Charles E

2008-05-01

The Dorfman-Berbaum-Metz (DBM) method has been one of the most popular methods for analyzing multireader receiver-operating characteristic (ROC) studies since it was proposed in 1992. Despite its popularity, the original procedure has several drawbacks: it is limited to jackknife accuracy estimates, it is substantially conservative, and it is not based on a satisfactory conceptual or theoretical model. Recently, solutions to these problems have been presented in three papers. Our purpose is to summarize and provide an overview of these recent developments. We present and discuss the recently proposed solutions for the various drawbacks of the original DBM method. We compare the solutions in a simulation study and find that they result in improved performance for the DBM procedure. We also compare the solutions using two real data studies and find that the modified DBM procedure that incorporates these solutions yields more significant results and clearer interpretations of the variance component parameters than the original DBM procedure. We recommend using the modified DBM procedure that incorporates the recent developments.

Advanced system for 3D dental anatomy reconstruction and 3D tooth movement simulation during orthodontic treatment

NASA Astrophysics Data System (ADS)

Monserrat, Carlos; Alcaniz-Raya, Mariano L.; Juan, M. Carmen; Grau Colomer, Vincente; Albalat, Salvador E.

1997-05-01

This paper describes a new method for 3D orthodontics treatment simulation developed for an orthodontics planning system (MAGALLANES). We develop an original system for 3D capturing and reconstruction of dental anatomy that avoid use of dental casts in orthodontic treatments. Two original techniques are presented, one direct in which data are acquired directly form patient's mouth by mean of low cost 3D digitizers, and one mixed in which data are obtained by 3D digitizing of hydrocollids molds. FOr this purpose we have designed and manufactured an optimized optical measuring system based on laser structured light. We apply these 3D dental models to simulate 3D movement of teeth, including rotations, during orthodontic treatment. The proposed algorithms enable to quantify the effect of orthodontic appliance on tooth movement. The developed techniques has been integrated in a system named MAGALLANES. This original system present several tools for 3D simulation and planning of orthodontic treatments. The prototype system has been tested in several orthodontic clinic with very good results.

Physiology, anaerobes, and the origin of mitosing cells 50 years on.

PubMed

Martin, William F

2017-12-07

Endosymbiotic theory posits that some organelles or structures of eukaryotic cells stem from free-living prokaryotes that became endosymbionts within a host cell. Endosymbiosis has a long and turbulent history of controversy and debate going back over 100 years. The 1967 paper by Lynn Sagan (later Lynn Margulis) forced a reluctant field to take endosymbiotic theory seriously and to incorporate it into the fabric of evolutionary thinking. Margulis envisaged three cellular partners associating in series at eukaryotic origin: the host (an engulfing bacterium), the mitochondrion (a respiring bacterium), and the flagellum (a spirochaete), with lineages descended from that flagellated eukaryote subsequently acquiring plastids from cyanobacteria, but on multiple different occasions in her 1967 account. Today, the endosymbiotic origin of mitochondria and plastids (each single events, the data now say) is uncontested textbook knowledge. The host has been more elusive, recent findings identifying it as a member of the archaea, not as a sister group of the archaea. Margulis's proposal for a spirochaete origin of flagellae was abandoned by everyone except her, because no data ever came around to support the idea. Her 1967 proposal that mitochondria and plastids arose from different endosymbionts was novel. The paper presented an appealing narrative that linked the origin of mitochondria with oxygen in Earth history: cyanobacteria make oxygen, oxygen starts accumulating in the atmosphere about 2.4 billion years ago, oxygen begets oxygen-respiring bacteria that become mitochondria via symbiosis, followed by later (numerous) multiple, independent symbioses involving cyanobacteria that brought photosynthesis to eukaryotes. With the focus on oxygen, Margulis's account of eukaryote origin was however unprepared to accommodate the discovery of mitochondria in eukaryotic anaerobes. Today's oxygen narrative has it that the oceans were anoxic up until about 580 million years ago, while the atmosphere attained modern oxygen levels only about 400 million years ago. Since eukaryotes are roughly 1.6 billion years old, much of eukaryotic evolution took place in low oxygen environments, readily explaining the persistence across eukaryotic supergroups of eukaryotic anaerobes and anaerobic mitochondria at the focus of endosymbiotic theories that came after the 1967 paper. Copyright © 2017 Elsevier Ltd. All rights reserved.

A novel lost packets recovery scheme based on visual secret sharing

NASA Astrophysics Data System (ADS)

Lu, Kun; Shan, Hong; Li, Zhi; Niu, Zhao

2017-08-01

In this paper, a novel lost packets recovery scheme which encrypts the effective parts of an original packet into two shadow packets based on (2, 2)-threshold XOR-based visual Secret Sharing (VSS) is proposed. The two shadow packets used as watermarks would be embedded into two normal data packets with digital watermarking embedding technology and then sent from one sensor node to another. Each shadow packet would reveal no information of the original packet, which can improve the security of original packet delivery greatly. The two shadow packets which can be extracted from the received two normal data packets delivered from a sensor node can recover the original packet lossless based on XOR-based VSS. The Performance analysis present that the proposed scheme provides essential services as long as possible in the presence of selective forwarding attack. The proposed scheme would not increase the amount of additional traffic, namely, lower energy consumption, which is suitable for Wireless Sensor Network (WSN).

TQM implementation for the healthcare sector.

PubMed

Chiarini, Andrea; Vagnoni, Emidia

2017-07-03

Purpose The purpose of this paper is to enlarge the debate on total quality management (TQM) implementation in the healthcare sector and to evaluate how and whether leadership can affect TQM implementation. Design/methodology/approach This paper is based on findings from a literature review of TQM and leadership. The authors analysed these findings to categorise causes of a lack of leadership in TQM programme implementations. Findings The authors propose three categories of causes of a lack of leadership in TQM programme implementation. The first cause is well-known: a lack of senior managers' involvement and commitment. The second category is the "combined leadership" that occurs in large healthcare organisations; and the third category is the influence of an external "political leadership" on public healthcare. Research limitations/implications This paper presents researchers with three categories of causes of failure of leadership in TQM implementation that can be investigated. It also encourages reflections from practitioners concerning TQM leadership in the healthcare sector. Practical implications The authors request that practitioners reflect on ways to create or sustain a "monolithic" leadership, especially in large organisations, to ensure a common vision, values and attitude for unitary TQM governance. Originality/value In an original way, this paper analyses and proposes three categories of causes linked to a lack of TQM leadership in the healthcare sector.

What can we learn from the study of Mexican-origin families in the United States?

PubMed

Updegraff, Kimberly A; Umaña-Taylor, Adriana J

2015-06-01

Mexican-origin families are a large and rapidly increasing subgroup of the U.S. population, but they remain underrepresented in family scholarship. This paper introduces a special section of four papers on Mexican-origin families designed to contribute to the advancement of research on how cultural, family, and gender socialization processes unfold across key developmental periods and life transitions in this cultural context. Two longitudinal studies of Mexican-origin families provided the data for these four papers: (a) The Juntos Project, an 8-year longitudinal study of mothers, fathers, and adolescent sibling pairs in 246 Mexican-origin families; and (b) The Supporting MAMI Project, a study following 204 adolescent mothers and their mother figures from the third trimester of pregnancy through their young children's 5th birthdays. In this introductory paper, we highlight four themes, including (a) differential acculturation and reciprocal socialization, (b) interdependence in families, (c) the intersection of culture and gender, and (d) methodological issues. We end with suggestions for future research. © 2015 Family Process Institute.

Collected Software Engineering Papers, Volume 10

NASA Technical Reports Server (NTRS)

1992-01-01

This document is a collection of selected technical papers produced by participants in the Software Engineering Laboratory (SEL) from Oct. 1991 - Nov. 1992. The purpose of the document is to make available, in one reference, some results of SEL research that originally appeared in a number of different forums. Although these papers cover several topics related to software engineering, they do not encompass the entire scope of SEL activities and interests. Additional information about the SEL and its research efforts may be obtained from the sources listed in the bibliography at the end of this document. For the convenience of this presentation, the 11 papers contained here are grouped into 5 major sections: (1) the Software Engineering Laboratory; (2) software tools studies; (3) software models studies; (4) software measurement studies; and (5) Ada technology studies.

Comparison of the Computational Efficiency of the Original Versus Reformulated High-Fidelity Generalized Method of Cells

NASA Technical Reports Server (NTRS)

Arnold, Steven M; Bednarcyk, Brett; Aboydi, Jacob

2004-01-01

The High-Fidelity Generalized Method of Cells (HFGMC) micromechanics model has recently been reformulated by Bansal and Pindera (in the context of elastic phases with perfect bonding) to maximize its computational efficiency. This reformulated version of HFGMC has now been extended to include both inelastic phases and imperfect fiber-matrix bonding. The present paper presents an overview of the HFGMC theory in both its original and reformulated forms and a comparison of the results of the two implementations. The objective is to establish the correlation between the two HFGMC formulations and document the improved efficiency offered by the reformulation. The results compare the macro and micro scale predictions of the continuous reinforcement (doubly-periodic) and discontinuous reinforcement (triply-periodic) versions of both formulations into the inelastic regime, and, in the case of the discontinuous reinforcement version, with both perfect and weak interfacial bonding. The results demonstrate that identical predictions are obtained using either the original or reformulated implementations of HFGMC aside from small numerical differences in the inelastic regime due to the different implementation schemes used for the inelastic terms present in the two formulations. Finally, a direct comparison of execution times is presented for the original formulation and reformulation code implementations. It is shown that as the discretization employed in representing the composite repeating unit cell becomes increasingly refined (requiring a larger number of sub-volumes), the reformulated implementation becomes significantly (approximately an order of magnitude at best) more computationally efficient in both the continuous reinforcement (doubly-periodic) and discontinuous reinforcement (triply-periodic) cases.

Differences in citation rates by country of origin for papers published in top-ranked medical journals: do they reflect inequalities in access to publication?

PubMed

Akre, Olof; Barone-Adesi, Francesco; Pettersson, Andreas; Pearce, Neil; Merletti, Franco; Richiardi, Lorenzo

2011-02-01

The acceptance of a paper in a top-ranked journal depends on the importance of the study, and should not depend on its country of origin. If the papers' citation rate is a proxy for their importance, and the threshold for acceptance is unrelated to the country of origin, papers from different countries published in the same journal should have a similar number of citations. Conversely, if the threshold is lowered for some countries, their papers will have a lower mean citation rate. The number of citations and the corresponding author's country were obtained for 4724 papers published between 1998 and 2002 in the British Medical Journal, the Lancet, Journal of the American Medical Association and New England Journal of Medicine. Countries were grouped according to the World Bank classification and geographical location: low-middle income countries; high-income European countries; high-income non-European countries; UK and USA. The probability of papers being poorly cited by country of origin was estimated, using domestic papers (British papers published in British journals and US papers published in US journals) as the reference. Compared with domestic papers, the OR of being poorly cited was 0.67 (95% CI 0.55 to 0.81) for papers from high-income European countries, 0.97 (0.76 to 1.24) for papers from high-income non-European countries and 1.93 (1.28 to 2.89) for papers from low-middle income countries. Papers from different countries published in the same journal have different citation rates. This may reflect difficulties for researchers from some countries to publish their research in leading medical journals.

Teaching How to Prepare a Manuscript by Means of Rewriting Published Scientific Papers

PubMed Central

Tomaska, Lubomir

2007-01-01

The objective of the course described here is to train undergraduate students to write a scientific manuscript. The students participate in selection of a current topic in contemporary genetics or molecular biology by choosing the most interesting paper of a given year. After the teacher provides all essential background about the selected subject, he or she selects a recent article from the corresponding field and presents the students with all the necessary information contained in the paper without revealing its title and author. The data presented in the paper are reviewed by the class so that each student understands every experiment and the main points of the work. Simultaneously, the students are informed about the basic rules of writing the individual sections of a scientific paper. They are then asked to write and formally submit a manuscript summarizing the data. Finally, the students act as reviewers of their colleagues' manuscripts and compare their papers with the original published articles. This enables them to identify both the strengths and the weaknesses of their manuscripts and to gain confidence in the writing skills that will be so critical for their future scientific activities. PMID:17110479

A discussion of 'Anomalous quartz from the Roter Kamm impact crater, Namibia - Evidence for post-impact hydrothermal activity?'

NASA Astrophysics Data System (ADS)

Roedder, Edwin

1990-11-01

This paper presents arguments against the statement made by Koeberl et al. (1989) to the effect that various differences between the quartz of the three quartz pebbles from the Roter Kamm impact crater (Namibia) and the quartz of the pegmatites present in the basement rocks of this crater can be best interpreted as evidence that the pebbles were formed (or 'recrystallized') by a post-impact hydrothermal system. Arguments are presented that suggest that the three quartz pebbles are, most likely, fragments of a preimpact vein quartz of hydrothermal origin.

Challenges of Sanitary Compliance Related to Trade in Products of Animal Origin in Southern Africa.

PubMed

Magwedere, Kudakwashe; Songabe, Tembile; Dziva, Francis

2015-06-30

Irrespective of the existence of potentially pathogenic organisms carried by animals, foods of animal origin remain the prime nutrition of humans world-wide. As such, food safety continues to be a global concern primarily to safeguard public health and to promote international trade. Application of integrated risk-based quality assurance procedures on-farm and at slaughterhouses plays a crucial role in controlling hazards associated with foods of animal origin. In the present paper we examine safety assurance systems and associated value chains for foods of animal origin based on historical audit results of some Southern African countries with thriving export trade in animal products, mainly to identify areas for improvement. Among the key deficiencies identified were: i) failure to keep pace with scientific advances related to the ever-changing food supply chain; ii) lack of effective national and regional intervention strategies to curtail pathogen transmission and evolution, notably the zoonotic Shiga toxin-producing Escherichia coli ; and iii) a lack of effective methods to reduce contamination of foods of wildlife origin. The introduction of foods of wildlife origin for domestic consumption and export markets seriously compounds already existing conflicts in legislation governing food supply and safety. This analysis identifies gaps required to improve the safety of foods of wildlife origin.

Challenges of Sanitary Compliance Related to Trade in Products of Animal Origin in Southern Africa

PubMed Central

Magwedere, Kudakwashe; Songabe, Tembile

2015-01-01

Irrespective of the existence of potentially pathogenic organisms carried by animals, foods of animal origin remain the prime nutrition of humans world-wide. As such, food safety continues to be a global concern primarily to safeguard public health and to promote international trade. Application of integrated risk-based quality assurance procedures on-farm and at slaughterhouses plays a crucial role in controlling hazards associated with foods of animal origin. In the present paper we examine safety assurance systems and associated value chains for foods of animal origin based on historical audit results of some Southern African countries with thriving export trade in animal products, mainly to identify areas for improvement. Among the key deficiencies identified were: i) failure to keep pace with scientific advances related to the ever-changing food supply chain; ii) lack of effective national and regional intervention strategies to curtail pathogen transmission and evolution, notably the zoonotic Shiga toxin-producing Escherichia coli; and iii) a lack of effective methods to reduce contamination of foods of wildlife origin. The introduction of foods of wildlife origin for domestic consumption and export markets seriously compounds already existing conflicts in legislation governing food supply and safety. This analysis identifies gaps required to improve the safety of foods of wildlife origin. PMID:27800409

The IRAC Shutter Mechanism: Residual Magnetism and the Rotary Solenoid

NASA Technical Reports Server (NTRS)

Schwinger, Scott; Hakun, Claef; Brown, Gary; Blumenstock, Ken

2002-01-01

The Infrared Array Camera (IRAC) Shutter mechanism was originally presented in the paper, 'A Low Power Cryogenic Shutter Mechanism for Use on Infrared Imagers' at the 34th Aerospace Mechanisms Symposium, May 2000. At that time, the shutter was believed to be performing flawlessly and there was every indication it would continue to do so. In early spring of 2001, the calibration shutter, a rotary solenoid designed to be fail-safe open, remained in a closed state with no power to the electromagnetic coils. The ensuing investigation, subsequent testing, proposed remedy, and lessons learned are the focus of this paper.

Quota methods for congressional apportionment are still non-unique

PubMed Central

Mayberry, John P.

1978-01-01

Balinski and Young described a “quota method” for congressional apportionment and recommended it as “the only method satisfying three essential axioms” [Balinski, M. L. & Young, H. P. (1974) Proc. Natl. Acad. Sci. USA 71, 4602-4606]. This paper points out and repairs a slight defect in one of those axioms, producing a quota method slightly different from that described previously. It also presents an alternative to the “consistency” axiom of the paper and describes the “dual quota” method, uniquely satisfying the alternative axioms (which have exactly as much justification as the originals). PMID:16592547

Optimizing adaptive design for Phase 2 dose-finding trials incorporating long-term success and financial considerations: A case study for neuropathic pain.

PubMed

Gao, Jingjing; Nangia, Narinder; Jia, Jia; Bolognese, James; Bhattacharyya, Jaydeep; Patel, Nitin

2017-06-01

In this paper, we propose an adaptive randomization design for Phase 2 dose-finding trials to optimize Net Present Value (NPV) for an experimental drug. We replace the traditional fixed sample size design (Patel, et al., 2012) by this new design to see if NPV from the original paper can be improved. Comparison of the proposed design to the previous design is made via simulations using a hypothetical example based on a Diabetic Neuropathic Pain Study. Copyright © 2017 Elsevier Inc. All rights reserved.

R suite for the Reduction and Analysis of UFO Orbit Data

NASA Astrophysics Data System (ADS)

Campbell-Burns, P.; Kacerek, R.

2016-02-01

This paper presents work undertaken by UKMON to compile a suite of simple R scripts for the reduction and analysis of meteor data. The application of R in this context is by no means an original idea and there is no doubt that it has been used already in many reports to the IMO. However, we are unaware of any common libraries or shared resources available to the meteor community. By sharing our work we hope to stimulate interest and discussion. Graphs shown in this paper are illustrative and are based on current data from both EDMOND and UKMON.

The Magsat bibliography. Revision 1

NASA Technical Reports Server (NTRS)

Langel, R. A.; Benson, B. J.; Orem, R. M.

1991-01-01

Publications related to the Magsat project number 402, as of February 1991 are presented. Of these, 44 deal with analysis of the Earth's main magnetic field, 209 deal with analysis of the Earth's crustal field, 43 make use of Magsat-based main field models, and 63 deal with analyses of the magnetic field originating external to the Earth. The remainder documents the Magsat program, satellite, instruments, or data, or are review papers or books which use or refer to Magsat and its data. The Bibliography is divided into two parts; the first lists all papers by first author, and the second is subdivided by topic.

Diagnostic Dilemma: Cerebellopontine Angle Lipoma Versus Dermoid Cyst

PubMed Central

Bertot, Brandon; Boghani, Zain; Britz, Gavin

2017-01-01

Both lipomas and dermoid cysts of the cerebellopontine angle are rare tumors. These tumors differ in their embryological origin but share similar features on imaging. Both of these congenital lesions can be found in the cerebellopontine angle (CPA), and symptomatic clinical presentation is dictated by the location of the lesion. This paper demonstrates a unique case in which a CPA lipoma was misidentified as a dermoid cyst, leading to surgical intervention. Further, the paper provides a literature review of CPA lipomas and dermoid cysts to aid readers in further differentiating between these two unique tumors. PMID:29399424

Alien To Me? Science in Search for Life Beyond Earth and Perceptions of Alien Life in Popular Culture

NASA Astrophysics Data System (ADS)

Capova, K. A.

2013-09-01

The paper will introduce an original piece of research that is devoted to the socio-cultural aspects of scientifi c search for life in outer space and it draws from doctoral research in anthropology of science. In this piece of research the extraterrestrial life hypothesis is conceptualized as a significant part of the general world-view, constantly shaped by the work and discoveries of science. The paper presents data from qualitative ethnographic fieldwork conducted in the UK as well as uses quantitative data from public from the USA, UK and other countries.

CORRIGENDUM: Universal variational expansion for high-precision bound-state calculations in three-body systems. Applications to weakly bound, adiabatic and two-shell cluster systems

NASA Astrophysics Data System (ADS)

Bailey, David H.; Frolov, Alexei M.

2003-12-01

Since the above paper was published we have received a suggestion from T K Rebane that our variational energy, -402.261 928 652 266 220 998 au, for the 3S(L = 0) state from table 4 (right-hand column) is wrong in the fourth and fifth decimal digits. Our original variational energies were E(2000) = -402.192 865 226 622 099 583 au and E(3000) = -402.192 865 226 622 099 838 au. Unfortunately, table 4 contains a simple typographic error. The first two digits after the decimal point (26) in the published energies must be removed. Then the results exactly coincide with the original energies. These digits (26) were left in table 4 from the original version, which also included the 2S(L = 0) states of the helium-muonic atoms. A similar typographic error was found in table 4 of another paper by A M Frolov (2001 J. Phys. B: At. Mol. Opt. Phys. 34 3813). The computed ground state energy for the ppµ muonic molecular ion was -0.494 386 820 248 934 546 94 mau. In table 4 of that paper the first figure '8' (fifth digit after the decimal point) was lost from the energy value presented in this table. We wish to thank T K Rebane of the Fock Physical Institute in St Petersburg for pointing out the misprint related to the helium(4)-muonic atom.

Understanding the Limits of Marxist Approaches to Sociocultural Studies of Science Education

ERIC Educational Resources Information Center

Lima, Paulo, Jr.; Ostermann, Fernanda; Rezende, Flavia

2014-01-01

In the first three sections of this paper we comment on some of the ideas developed in the forum papers, pointing out possible misunderstandings and constructing new explanations that clarify arguments we made in the original article. In the last section we expand the discussion raised in the original paper, elaborating on the limits of the use of…

The Temporal Fabric of Research Methods: Posthuman Social Science and the Digital Data Deluge

ERIC Educational Resources Information Center

de Freitas, Elizabeth

2017-01-01

The aim of this paper is to adumbrate methods more suitable to a posthuman social science, so as to better attend to the digital datafication of life. Five core functions of research method are presented. The first three--the desire for origins, the need to exclude, and the establishment of a regime of labour--often reinstate social orders and…

Inner space/outer space - The interface between cosmology and particle physics

NASA Astrophysics Data System (ADS)

Kolb, Edward W.; Turner, Michael S.; Lindley, David; Olive, Keith; Seckel, David

A collection of papers covering the synthesis between particle physics and cosmology is presented. The general topics addressed include: standard models of particle physics and cosmology; microwave background radiation; origin and evolution of large-scale structure; inflation; massive magnetic monopoles; supersymmetry, supergravity, and quantum gravity; cosmological constraints on particle physics; Kaluza-Klein cosmology; and future directions and connections in particle physics and cosmology.

Papers presented to the Conference on the Processes of Planetary Rifting

NASA Technical Reports Server (NTRS)

1981-01-01

The basic problems of processes of planetary rifting are addressed from the following viewpoints: (1) speculation as to the origin and development of rifts; (2) rifts on other planets; (3) tectonics; (4) geology; (5) chemistry of the lithosphere; (6) physics of the lithosphere; and (7) resources associated with rifting. The state of ignorance on the subject and its remedy is debated.

The Theology of Eckankar: Its Critique and Study Based on the Islamic Teachings

ERIC Educational Resources Information Center

Mahmoudi, Abdolreza

2017-01-01

The present paper deals with theology from the point of view of the school of Eckankar and its critique based on the Islamic teachings. Three major topics are probed into in the school of Eckankar, i.e. the definition of religion, the origin of religion, and exclusiveness. On the topic of the definition of religion, Eckankar essentially regards as…

Action without Action Planning: The Potential of the Career Thinking Session in Enabling Transformational Career Learning and Development

ERIC Educational Resources Information Center

Bassot, Barbara

2017-01-01

This paper examines the potential of the Career Thinking Session (CTS) model to career guidance and counselling practice with young people. A qualitative research study is presented, focusing on the case study of a client involved in the transition to higher education. The setting for the research is described and the origins of the CTS are…

Complete Genome Sequence of a Burkholderia mallei Isolate Originating from a Glanderous Horse from the Kingdom of Bahrain

PubMed Central

Thomas, Prasad; Melzer, Falk

2016-01-01

Burkholderia mallei is a zoonotic agent causing glanders, a notifiable disease in equines. During the past decades glanders emerged, and the Kingdom of Bahrain reported outbreaks to the World Organization of Animal Health in 2010 and 2011. This paper presents the complete genome sequence of the Burkholderia mallei strain 11RR2811 Bahrain1. PMID:27908988

Simplification of multiple Fourier series - An example of algorithmic approach

NASA Technical Reports Server (NTRS)

Ng, E. W.

1981-01-01

This paper describes one example of multiple Fourier series which originate from a problem of spectral analysis of time series data. The example is exercised here with an algorithmic approach which can be generalized for other series manipulation on a computer. The generalized approach is presently pursued towards applications to a variety of multiple series and towards a general purpose algorithm for computer algebra implementation.

Do Spin-Offs Make the Academics' Heads Spin? The Impacts of Spin-Off Companies on Their Parent Research Organisation

ERIC Educational Resources Information Center

Zomer, Arend H.; Jongbloed, Ben W. A.; Enders, Jurgen

2010-01-01

As public research organisations are increasingly driven by their national and regional governments to engage in knowledge transfer, they have started to support the creation of companies. These research based spin-off companies (RBSOs) often keep contacts with the research institutes they originate from. In this paper we present the results of a…

The GABA system in schizophrenia: cells, molecules and microcircuitry.

PubMed

Benes, Francine M

2015-09-01

This is an overview of several papers that have been published in the Special Issue of Schizophrenia Research entitled The GABA System in Schizophrenia: Cells, Molecules and Microcircuitry. This issue presents a broad range of original reports and scholarly reviews regarding recent progress in studies of neural circuitry in corticolimbic brain regions in patients with schizophrenia. Copyright © 2015 Elsevier B.V. All rights reserved.

Proceedings of the Annual Meeting of the Association for Education in Journalism and Mass Communication (76th, Kansas City, Missouri, August 11-14, 1993). Part I: Journalism History.

ERIC Educational Resources Information Center

Association for Education in Journalism and Mass Communication.

The Journalism History section of this collection of conference presentations contains the following 15 papers: "Henry Ford's Newspaper: The 'Dearborn Independent,' 1919-1927" (James C. Foust); "Redefining the News?: Editorial Content and the 'Myth of Origin' Debate in Journalism History" (Elliot King); "'Nonpublicity' and…

Sambucus nigra linn., a new record from valley of flowers.

PubMed

Vikramaditya; Sharma, K N

1999-01-01

Under the present paper, authors have reposted finding of Sambucus nigra L. as new introduction in medicinal plans in the flora of "Valley of flowers'. Sambucus nigra L. Originally is an European plant and is very important for its medicinal potential, being used in various systems of medicine to cure number of ailments. In natural order Sambucus nigra L. belongs to family caprifoliaceae.

How to Verify Plagiarism of the Paper Written in Macedonian and Translated in Foreign Language?

PubMed Central

Spiroski, Mirko

2016-01-01

AIM: The aim of this study was to show how to verify plagiarism of the paper written in Macedonian and translated in foreign language. MATERIAL AND METHODS: Original article “Ethics in Medical Research Involving Human Subjects”, written in Macedonian, was submitted as an assay-2 for the subject Ethics and published by Ilina Stefanovska, PhD candidate from the Iustinianus Primus Faculty of Law, Ss Cyril and Methodius University of Skopje (UKIM), Skopje, Republic of Macedonia in Fabruary, 2013. Suspected article for plagiarism was published by Prof. Dr. Gordana Panova from the Faculty of Medical Sciences, University Goce Delchev, Shtip, Republic of Macedonia in English with the identical title and identical content in International scientific on-line journal “SCIENCE & TECHNOLOGIES”, Publisher “Union of Scientists - Stara Zagora”. RESULTS: Original document (written in Macedonian) was translated with Google Translator; suspected article (published in English pdf file) was converted into Word document, and compared both documents with several programs for plagiarism detection. It was found that both documents are identical in 71%, 78% and 82%, respectively, depending on the computer program used for plagiarism detection. It was obvious that original paper was entirely plagiarised by Prof. Dr. Gordana Panova, including six references from the original paper. CONCLUSION: Plagiarism of the original papers written in Macedonian and translated in other languages can be verified after computerised translation in other languages. Later on, original and translated documents can be compared with available software for plagiarism detection. PMID:27275319

How to Verify Plagiarism of the Paper Written in Macedonian and Translated in Foreign Language?

PubMed

Spiroski, Mirko

2016-03-15

The aim of this study was to show how to verify plagiarism of the paper written in Macedonian and translated in foreign language. Original article "Ethics in Medical Research Involving Human Subjects", written in Macedonian, was submitted as an assay-2 for the subject Ethics and published by Ilina Stefanovska, PhD candidate from the Iustinianus Primus Faculty of Law, Ss Cyril and Methodius University of Skopje (UKIM), Skopje, Republic of Macedonia in Fabruary, 2013. Suspected article for plagiarism was published by Prof. Dr. Gordana Panova from the Faculty of Medical Sciences, University Goce Delchev, Shtip, Republic of Macedonia in English with the identical title and identical content in International scientific on-line journal "SCIENCE & TECHNOLOGIES", Publisher "Union of Scientists - Stara Zagora". Original document (written in Macedonian) was translated with Google Translator; suspected article (published in English pdf file) was converted into Word document, and compared both documents with several programs for plagiarism detection. It was found that both documents are identical in 71%, 78% and 82%, respectively, depending on the computer program used for plagiarism detection. It was obvious that original paper was entirely plagiarised by Prof. Dr. Gordana Panova, including six references from the original paper. Plagiarism of the original papers written in Macedonian and translated in other languages can be verified after computerised translation in other languages. Later on, original and translated documents can be compared with available software for plagiarism detection.

["Investigación Clínica": 50 years disseminating biomedical research].

PubMed

Ryder, Elena

2010-06-01

INVESTIGACION CLINICA was founded by the initiative of Américo Negrette, who became its first editor, and it has been published uninterruptedly since July 1960, with a quarterly frequency. The first issues consisted mainly of a collection of reviews of seminars held at the now called Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, its publisher. Very soon, original research results from this institution were included in the novel journal. In the 60's, papers on results obtained during the outbreaks of Venezuelan Equine Encephalitis present in the area, were prominent. Originally, the journal published 3-4 papers, but due to the increased number of contributions, in 2001, its format changed from 1/16 to 1/8, and now each number includes 11 original articles. Currently, INVESTIGACION CLINICA publishes 44 papers a year, in Spanish or English on different biomedical topics, from contributors all around the world. Progressively it has been included in different renowned indexes, such as PubMed/MEDLINE, Science Citation Index Expanded, Excerpta Medica, Tropical Diseases Bulletin, Copernicus, Scopus, Periodica, and several others. Besides, it can be found in open access through www.Scielo.org.ve, www.freemedicaljournals.com and in our new Web page: https://sites. google.com/site/revistainvestigacionesclinicas/home. Most papers published in INVESTIGACION CLINICA have been cited in the regional or foreign literature accumulating more than 1200 citations by now. For this particular issue, to celebrate the 50th anniversary of INVESTIGACION CLINICA, we have invited some of our more recent referees or authors to contribute with Reviews in their respective areas of expertise.

Comparison of publication trends in dermatology among Japan, South Korea and Mainland China.

PubMed

Man, Huibin; Xin, Shujun; Bi, Weiping; Lv, Chengzhi; Mauro, Theodora M; Elias, Peter M; Man, Mao-Qiang

2014-01-09

We previously showed that the number of publications in dermatology is increasing year by year, and positively correlates with improved economic conditions in mainland China, a still developing Asian country. However, the characteristics of publications in dermatology departments in more developed Asian countries such as Japan and South Korea are unknown. In the present study, publications from 2003 through 2012 in dermatology in Japan, South Korea and mainland China were characterized. All data were obtained from http://www.pubmed.com. Dermatology departments in Japan published 4,094 papers, while mainland China and South Korea published 1528 and 1,758 articles, respectively. 48% of articles from dermatology in Japan were original research and 36% were case reports; The number of publications in Japan remained stable over time, but the overall impact factors per paper increased linearly over the last 10 year period (p < 0.05). In mainland China, 67% of articles from dermatology were original research, while 19% were case reports; The number of publications and their impact factors per paper increased markedly. In South Korea, 65% of articles from dermatology were original research and 20% were case reports. The impact factors per paper remained unchanged, despite of the fact that the number of publications increased over the last 10 year period (r2 = 0.6820, p = 0.0032). Only mainland China showed a positive correlation of the number of publications with gross domestic product per capita during this study period. These results suggest that the total number of publications in dermatology correlates with economic conditions only in developing country, but not in more developed countries in Asia. The extent of economic development could determine both the publication quantity and quality.

Comparison of publication trends in dermatology among Japan, South Korea and Mainland China

PubMed Central

2014-01-01

Background We previously showed that the number of publications in dermatology is increasing year by year, and positively correlates with improved economic conditions in mainland China, a still developing Asian country. However, the characteristics of publications in dermatology departments in more developed Asian countries such as Japan and South Korea are unknown. Methods In the present study, publications from 2003 through 2012 in dermatology in Japan, South Korea and mainland China were characterized. All data were obtained from http://www.pubmed.com. Results Dermatology departments in Japan published 4,094 papers, while mainland China and South Korea published 1528 and 1,758 articles, respectively. 48% of articles from dermatology in Japan were original research and 36% were case reports; The number of publications in Japan remained stable over time, but the overall impact factors per paper increased linearly over the last 10 year period (p < 0.05). In mainland China, 67% of articles from dermatology were original research, while 19% were case reports; The number of publications and their impact factors per paper increased markedly. In South Korea, 65% of articles from dermatology were original research and 20% were case reports. The impact factors per paper remained unchanged, despite of the fact that the number of publications increased over the last 10 year period (r2 = 0.6820, p = 0.0032). Only mainland China showed a positive correlation of the number of publications with gross domestic product per capita during this study period. Conclusions These results suggest that the total number of publications in dermatology correlates with economic conditions only in developing country, but not in more developed countries in Asia. The extent of economic development could determine both the publication quantity and quality. PMID:24405832

On theoretical and experimental modeling of metabolism forming in prebiotic systems

NASA Astrophysics Data System (ADS)

Bartsev, S. I.; Mezhevikin, V. V.

Recently searching for extraterrestrial life attracts more and more attention However the searching hardly can be effective without sufficiently universal concept of life origin which incidentally tackles a problem of origin of life on the Earth A concept of initial stages of life origin including origin of prebiotic metabolism is stated in the paper Suggested concept eliminates key difficulties in the problem of life origin and allows experimental verification of it According to the concept the predecessor of living beings has to be sufficiently simple to provide non-zero probability of self-assembling during short in geological or cosmic scale time In addition the predecessor has to be capable of autocatalysis and further complication evolution A possible scenario of initial stage of life origin which can be realized both on other planets and inside experimental facility is considered In the scope of the scenario a theoretical model of multivariate oligomeric autocatalyst coupled with phase-separated particle is presented Results of computer simulation of possible initial stage of chemical evolution are shown Conducted estimations show the origin of autocatalytic oligomeric phase-separated system is possible at reasonable values of kinetic parameters of involved chemical reactions in a small-scale flow reactor Accepted statements allowing to eliminate key problems of life origin imply important consequence -- organisms emerged out of the Earth or inside a reactor have to be based on another different from terrestrial biochemical

Making Early Modern Medicine: Reproducing Swedish Bitters.

PubMed

Ahnfelt, Nils-Otto; Fors, Hjalmar

2016-05-01

Historians of science and medicine have rarely applied themselves to reproducing the experiments and practices of medicine and pharmacy. This paper delineates our efforts to reproduce "Swedish Bitters," an early modern composite medicine in wide European use from the 1730s to the present. In its original formulation, it was made from seven medicinal simples: aloe, rhubarb, saffron, myrrh, gentian, zedoary and agarikon. These were mixed in alcohol together with some theriac, a composite medicine of classical origin. The paper delineates the compositional history of Swedish Bitters and the medical rationale underlying its composition. It also describes how we go about to reproduce the medicine in a laboratory using early modern pharmaceutical methods, and analyse it using contemporary methods of pharmaceutical chemistry. Our aim is twofold: first, to show how reproducing medicines may provide a path towards a deeper understanding of the role of sensual and practical knowledge in the wider context of early modern medical culture; and second, how it may yield interesting results from the point of view of contemporary pharmaceutical science.

Missing data reconstruction using Gaussian mixture models for fingerprint images

NASA Astrophysics Data System (ADS)

Agaian, Sos S.; Yeole, Rushikesh D.; Rao, Shishir P.; Mulawka, Marzena; Troy, Mike; Reinecke, Gary

2016-05-01

Publisher's Note: This paper, originally published on 25 May 2016, was replaced with a revised version on 16 June 2016. If you downloaded the original PDF, but are unable to access the revision, please contact SPIE Digital Library Customer Service for assistance. One of the most important areas in biometrics is matching partial fingerprints in fingerprint databases. Recently, significant progress has been made in designing fingerprint identification systems for missing fingerprint information. However, a dependable reconstruction of fingerprint images still remains challenging due to the complexity and the ill-posed nature of the problem. In this article, both binary and gray-level images are reconstructed. This paper also presents a new similarity score to evaluate the performance of the reconstructed binary image. The offered fingerprint image identification system can be automated and extended to numerous other security applications such as postmortem fingerprints, forensic science, investigations, artificial intelligence, robotics, all-access control, and financial security, as well as for the verification of firearm purchasers, driver license applicants, etc.

Recall of patterns using binary and gray-scale autoassociative morphological memories

NASA Astrophysics Data System (ADS)

Sussner, Peter

2005-08-01

Morphological associative memories (MAM's) belong to a class of artificial neural networks that perform the operations erosion or dilation of mathematical morphology at each node. Therefore we speak of morphological neural networks. Alternatively, the total input effect on a morphological neuron can be expressed in terms of lattice induced matrix operations in the mathematical theory of minimax algebra. Neural models of associative memories are usually concerned with the storage and the retrieval of binary or bipolar patterns. Thus far, the emphasis in research on morphological associative memory systems has been on binary models, although a number of notable features of autoassociative morphological memories (AMM's) such as optimal absolute storage capacity and one-step convergence have been shown to hold in the general, gray-scale setting. In previous papers, we gained valuable insight into the storage and recall phases of AMM's by analyzing their fixed points and basins of attraction. We have shown in particular that the fixed points of binary AMM's correspond to the lattice polynomials in the original patterns. This paper extends these results in the following ways. In the first place, we provide an exact characterization of the fixed points of gray-scale AMM's in terms of combinations of the original patterns. Secondly, we present an exact expression for the fixed point attractor that represents the output of either a binary or a gray-scale AMM upon presentation of a certain input. The results of this paper are confirmed in several experiments using binary patterns and gray-scale images.

From Languishing Dyslexia to Thriving Dyslexia: Developing a New Conceptual Approach to Working with People with Dyslexia

PubMed Central

Kannangara, Chathurika S.

2015-01-01

This is an account of personal narratives shared by several people with dyslexia. Most of these are presented in their original quotation format to provide personal accounts of the lives of people with dyslexia. In this paper the author shares her conversations with her participants. This paper provides an original conceptual model, which is currently been tested empirically. Dyslexia affects the learning process in areas as such reading, and spelling. Conversely abilities or strengths can be seen in other areas, such as developing coping strategies to manage and overcome challenges. This research aims to adapt positive psychology techniques to support individuals with dyslexia. To develop positive psychology interventions, individuals will be helped to discover their five signature strengths. The VIA (Values in Action) Strengths Survey has been hosted in a website which has been developed in the form of a dyslexia user friendly format, such as providing the ability for respondents to change fonts and font sizes, colors and a text to speech option. This paper introduces the theoretical model of ‘How to move from Languishing Dyslexia to Thriving Dyslexia.’ PMID:26733933

Modeling of process of lifting power change of baker's yeast pressed depending on nature and quantity of introduced vegetable component

NASA Astrophysics Data System (ADS)

Belokurov, S. V.; Rodionova, N. S.; Belokurova, E. V.; Alexeeva, T. V.

2018-05-01

The work presents data on the effect of non-traditional powdered semi-finished products of plant origin: chokeberry, walnut partitions and sea buckthorn berries on the lifting power of baker's yeast. Various amounts of powdered semi-finished products of plant origin are introduced into the dough, directly at the stage of introducing the main components of the formulation, replacing them with some of the wheat flour. Studies have shown that the addition of small amounts of unconventional powdered plant-based semi-finished products (1 ... 5%) makes it possible to correct the lifting power of baking yeast, which, in consequence, affects the quality indicators of finished products. The paper presents a mathematical model of the change in the lift strength of baker's yeast, depending on the nature and amount of the powdered semi-finished product introduced.

Forensic applications of 14C bomb-pulse dating

NASA Astrophysics Data System (ADS)

Zoppi, U.; Skopec, Z.; Skopec, J.; Jones, G.; Fink, D.; Hua, Q.; Jacobsen, G.; Tuniz, C.; Williams, A.

2004-08-01

After a brief review of the basics of 14C bomb-pulse dating, this paper presents two unique forensic applications. Particular attention is dedicated to the use of the 14C bomb-pulse to establish the time of harvest of illicit drugs such as heroin and opium. Preliminary measurements of 14C concentrations in milligram samples taken from seized drugs are presented. 14C bomb-pulse dating can determine whether drug distribution originates from stockpiles or recent manufacture, and support the action of law enforcement authorities against criminal organisations involved in drug trafficking. In addition, we describe the dating of wine vintages for a number of authenticated single label vintage red wines from the Barossa Valley - South Australia. Our results show that radiocarbon dating can be used to accurately determine wine vintages and therefore reveal the addition of unrelated materials of natural and synthetic origin.

On iterative processes in the Krylov-Sonneveld subspaces

NASA Astrophysics Data System (ADS)

Ilin, Valery P.

2016-10-01

The iterative Induced Dimension Reduction (IDR) methods are considered for solving large systems of linear algebraic equations (SLAEs) with nonsingular nonsymmetric matrices. These approaches are investigated by many authors and are charachterized sometimes as the alternative to the classical processes of Krylov type. The key moments of the IDR algorithms consist in the construction of the embedded Sonneveld subspaces, which have the decreasing dimensions and use the orthogonalization to some fixed subspace. Other independent approaches for research and optimization of the iterations are based on the augmented and modified Krylov subspaces by using the aggregation and deflation procedures with present various low rank approximations of the original matrices. The goal of this paper is to show, that IDR method in Sonneveld subspaces present an original interpretation of the modified algorithms in the Krylov subspaces. In particular, such description is given for the multi-preconditioned semi-conjugate direction methods which are actual for the parallel algebraic domain decomposition approaches.

Modeling of fracture of protective concrete structures under impact loads

DOE Office of Scientific and Technical Information (OSTI.GOV)

Radchenko, P. A., E-mail: radchenko@live.ru; Batuev, S. P.; Radchenko, A. V.

This paper presents results of numerical simulation of interaction between a Boeing 747-400 aircraft and the protective shell of a nuclear power plant. The shell is presented as a complex multilayered cellular structure consisting of layers of concrete and fiber concrete bonded with steel trusses. Numerical simulation was performed three-dimensionally using the original algorithm and software taking into account algorithms for building grids of complex geometric objects and parallel computations. Dynamics of the stress-strain state and fracture of the structure were studied. Destruction is described using a two-stage model that allows taking into account anisotropy of elastic and strength propertiesmore » of concrete and fiber concrete. It is shown that wave processes initiate destruction of the cellular shell structure; cells start to destruct in an unloading wave originating after the compression wave arrival at free cell surfaces.« less

PREVAIL: latest electron optics results

NASA Astrophysics Data System (ADS)

Pfeiffer, Hans C.; Golladay, Steven D.; Gordon, Michael S.; Kendall, Rodney A.; Lieberman, Jon E.; Rockrohr, James D.; Stickel, Werner; Yamaguchi, Takeshi; Okamoto, Kazuya; Umemoto, Takaaki; Shimizu, Hiroyasu; Kojima, Shinichi; Hamashima, Muneki

2002-07-01

The PREVAIL electron optics subsystem developed by IBM has been installed at Nikon's facility in Kumagaya, Japan, for integration into the Nikon commercial EPL stepper. The cornerstone of the electron optics design is the Curvilinear Variable Axis Lens (CVAL) technique originally demonstrated with a proof of concept system. This paper presents the latest experimental results obtained with the electron optical subsystem at Nikon's facility. The results include micrographs illustrating proper CVAL operation through the spatial resolution achieved over the entire optical field of view. They also include data on the most critical issue of the EPL exposure approach: subfield stitching. The methodology of distortion correction will be described and both micrographs and metrology data of stitched subfields will be presented. This paper represents a progress report of the IBM/Nikon alliance activity on EPL.

Liborg: a lidar-based robot for efficient 3D mapping

NASA Astrophysics Data System (ADS)

Vlaminck, Michiel; Luong, Hiep; Philips, Wilfried

2017-09-01

In this work we present Liborg, a spatial mapping and localization system that is able to acquire 3D models on the y using data originated from lidar sensors. The novelty of this work is in the highly efficient way we deal with the tremendous amount of data to guarantee fast execution times while preserving sufficiently high accuracy. The proposed solution is based on a multi-resolution technique based on octrees. The paper discusses and evaluates the main benefits of our approach including its efficiency regarding building and updating the map and its compactness regarding compressing the map. In addition, the paper presents a working prototype consisting of a robot equipped with a Velodyne Lidar Puck (VLP-16) and controlled by a Raspberry Pi serving as an independent acquisition platform.

A Three-Stage Enhanced Reactive Power and Voltage Optimization Method for High Penetration of Solar

DOE Office of Scientific and Technical Information (OSTI.GOV)

Ke, Xinda; Huang, Renke; Vallem, Mallikarjuna R.

This paper presents a three-stage enhanced volt/var optimization method to stabilize voltage fluctuations in transmission networks by optimizing the usage of reactive power control devices. In contrast with existing volt/var optimization algorithms, the proposed method optimizes the voltage profiles of the system, while keeping the voltage and real power output of the generators as close to the original scheduling values as possible. This allows the method to accommodate realistic power system operation and market scenarios, in which the original generation dispatch schedule will not be affected. The proposed method was tested and validated on a modified IEEE 118-bus system withmore » photovoltaic data.« less

Error analysis of filtering operations in pixel-duplicated images of diabetic retinopathy

NASA Astrophysics Data System (ADS)

Mehrubeoglu, Mehrube; McLauchlan, Lifford

2010-08-01

In this paper, diabetic retinopathy is chosen for a sample target image to demonstrate the effectiveness of image enlargement through pixel duplication in identifying regions of interest. Pixel duplication is presented as a simpler alternative to data interpolation techniques for detecting small structures in the images. A comparative analysis is performed on different image processing schemes applied to both original and pixel-duplicated images. Structures of interest are detected and and classification parameters optimized for minimum false positive detection in the original and enlarged retinal pictures. The error analysis demonstrates the advantages as well as shortcomings of pixel duplication in image enhancement when spatial averaging operations (smoothing filters) are also applied.

The Martian valley networks: Origin by niveo-fluvial processes

NASA Technical Reports Server (NTRS)

Rice, J. W., Jr.

1993-01-01

The valley networks may hold the key to unlocking the paleoclimatic history of Mars. These enigmatic landforms may be regarded as the Martian equivalent of the Rosetta Stone. Therefore, a more thorough understanding of their origin and evolution is required. However, there is still no consensus among investigators regarding the formation (runoff vs. sapping) of these features. Recent climatic modeling precludes warm (0 degrees C) globally averaged surface temperatures prior to 2 b.y. when solar luminosity was 25-30 percent less than present levels. This paper advocates snowmelt as the dominant process responsible for the formation of the dendritic valley networks. Evidence for Martian snowfall and subsequent melt has been discussed in previous studies.

On the origin of amplitude reduction mechanism in tapping mode atomic force microscopy

NASA Astrophysics Data System (ADS)

Keyvani, Aliasghar; Sadeghian, Hamed; Goosen, Hans; van Keulen, Fred

2018-04-01

The origin of amplitude reduction in Tapping Mode Atomic Force Microscopy (TM-AFM) is typically attributed to the shift in resonance frequency of the cantilever due to the nonlinear tip-sample interactions. In this paper, we present a different insight into the same problem which, besides explaining the amplitude reduction mechanism, provides a simple reasoning for the relationship between tip-sample interactions and operation parameters (amplitude and frequency). The proposed formulation, which attributes the amplitude reduction to an interference between the tip-sample and dither force, only deals with the linear part of the system; however, it fully agrees with experimental results and numerical solutions of the full nonlinear model of TM-AFM.

Parallel Implementation of the Discontinuous Galerkin Method

NASA Technical Reports Server (NTRS)

Baggag, Abdalkader; Atkins, Harold; Keyes, David

1999-01-01

This paper describes a parallel implementation of the discontinuous Galerkin method. Discontinuous Galerkin is a spatially compact method that retains its accuracy and robustness on non-smooth unstructured grids and is well suited for time dependent simulations. Several parallelization approaches are studied and evaluated. The most natural and symmetric of the approaches has been implemented in all object-oriented code used to simulate aeroacoustic scattering. The parallel implementation is MPI-based and has been tested on various parallel platforms such as the SGI Origin, IBM SP2, and clusters of SGI and Sun workstations. The scalability results presented for the SGI Origin show slightly superlinear speedup on a fixed-size problem due to cache effects.

Linear decomposition approach for a class of nonconvex programming problems.

PubMed

Shen, Peiping; Wang, Chunfeng

2017-01-01

This paper presents a linear decomposition approach for a class of nonconvex programming problems by dividing the input space into polynomially many grids. It shows that under certain assumptions the original problem can be transformed and decomposed into a polynomial number of equivalent linear programming subproblems. Based on solving a series of liner programming subproblems corresponding to those grid points we can obtain the near-optimal solution of the original problem. Compared to existing results in the literature, the proposed algorithm does not require the assumptions of quasi-concavity and differentiability of the objective function, and it differs significantly giving an interesting approach to solving the problem with a reduced running time.

The Soviet-American Conference on Cosmochemistry of the Moon and Planets, Part 1

NASA Technical Reports Server (NTRS)

Pomeroy, J. H. (Editor); Hubbard, N. J. (Editor)

1977-01-01

The basic goal of the conference was consideration of the origin of the planets of the solar system, based on the physical and chemical data obtained by study of the material of the moon and planets. Papers at the conference were presented in the following sessions: (1) Differentiation of the material of the moon and planets; (2) The thermal history of the moon; (3) Lunar gravitation and magnetism; (4) Chronology of the moon, planets, and meteorites; (5) The role of exogenic factors in the formation of the lunar surface; (6) Cosmochemical hypotheses about the origin and evolution of the moon and planets; and (7) New data about the planets Mercury, Venus, Mars, and Jupiter.

Compressive sensing method for recognizing cat-eye effect targets.

PubMed

Li, Li; Li, Hui; Dang, Ersheng; Liu, Bo

2013-10-01

This paper proposes a cat-eye effect target recognition method with compressive sensing (CS) and presents a recognition method (sample processing before reconstruction based on compressed sensing, or SPCS) for image processing. In this method, the linear projections of original image sequences are applied to remove dynamic background distractions and extract cat-eye effect targets. Furthermore, the corresponding imaging mechanism for acquiring active and passive image sequences is put forward. This method uses fewer images to recognize cat-eye effect targets, reduces data storage, and translates the traditional target identification, based on original image processing, into measurement vectors processing. The experimental results show that the SPCS method is feasible and superior to the shape-frequency dual criteria method.

Internal migration for recent immigrants to Canada.

PubMed

Nogle, J M

1994-01-01

"This study examines the extent to which internal migration among recent immigrants to Canada is affected and constrained by characteristics related to admission. By examining measures of information and personal ties, it may be possible to establish that migration behavior is rational regardless of economic incentives." It is suggested that "internal migration in the first year after arrival is strongly affected by characteristics such as admission status, destination at arrival, reason for immigration, and area of origin. With increasing length of residence in Canada, though, the effect of these admission factors on internal migration behavior diminishes." This is a revised version of a paper originally presented at the 1992 Annual Meeting of the Population Association of America. excerpt

PREFACE: Processing, Microstructure and Performance of Materials

NASA Astrophysics Data System (ADS)

Chiu, Yu Lung; Chen, John J. J.; Hodgson, Michael A.; Thambyah, Ashvin

2009-07-01

A workshop on Processing, Microstructure and Performance of Materials was held at the University of Auckland, School of Engineering, on 8-9 April 2009. Organised by the Department of Chemical and Materials Engineering, University of Auckland, this meeting consisted of international participants and aimed at addressing the state-of-the-art research activities in processing, microstructure characterization and performance integrity investigation of materials. This two-day conference brought together scientists and engineers from New Zealand, Australia, Hong Kong, France, and the United Kingdom. Undoubtedly, this diverse group of participants brought a very international flair to the proceedings which also featured original research papers on areas such as Materials processing; Microstructure characterisation and microanalysis; Mechanical response at different length scales, Biomaterials and Material Structural integrity. There were a total of 10 invited speakers, 16 paper presentations, and 14 poster presentations. Consequently, the presentations were carefully considered by the scientific committee and participants were invited to submit full papers for this volume. All the invited paper submissions for this volume have been peer reviewed by experts in the various fields represented in this conference, this in accordance to the expected standards of the journal's Peer review policy for IOP Conference Series: Materials Science and Engineering. The works in this publication consists of new and original research as well as several expert reviews of current state-of-the art technologies and scientific developments. Knowing some of the real constraints on hard-copy publishing of high quality, high resolution images, the editors are grateful to IOP Publishing for this opportunity to have the papers from this conference published on the online open-access platform. Listed in this volume are papers on a range of topics on materials research, including Ferguson's high strain rate deformation studies of wood, Nebosky et al's manufacturing methods of tantalum metal implant material, Tan et al's self-healing materials, Gabbitas et al's work on titanium alloys and others. Also among the review papers, topics include that on small-scale plasticity by Ng and Ngan showing how distinct plasticity between micro- and macro-specimens can be interpreted by size-dependent dislocation activities; and the latest advancements in electron microscopy, with a special emphasis on its application to materials engineering. Niche areas such as cartilage, dental and biomineralisation research are also included in several of the papers, as a recognition of the rapidly growing interest in biological materials research and its clinical relevance. Decidedly a resounding success, the conference and this volume owes much to all the individuals, organising committee, helpers and participants, who have taken time out to put in the effort of organising the meeting, preparing the presentations and writing the papers.

The Numerical Technique for the Landslide Tsunami Simulations Based on Navier-Stokes Equations

NASA Astrophysics Data System (ADS)

Kozelkov, A. S.

2017-12-01

The paper presents an integral technique simulating all phases of a landslide-driven tsunami. The technique is based on the numerical solution of the system of Navier-Stokes equations for multiphase flows. The numerical algorithm uses a fully implicit approximation method, in which the equations of continuity and momentum conservation are coupled through implicit summands of pressure gradient and mass flow. The method we propose removes severe restrictions on the time step and allows simulation of tsunami propagation to arbitrarily large distances. The landslide origin is simulated as an individual phase being a Newtonian fluid with its own density and viscosity and separated from the water and air phases by an interface. The basic formulas of equation discretization and expressions for coefficients are presented, and the main steps of the computation procedure are described in the paper. To enable simulations of tsunami propagation across wide water areas, we propose a parallel algorithm of the technique implementation, which employs an algebraic multigrid method. The implementation of the multigrid method is based on the global level and cascade collection algorithms that impose no limitations on the paralleling scale and make this technique applicable to petascale systems. We demonstrate the possibility of simulating all phases of a landslide-driven tsunami, including its generation, propagation and uprush. The technique has been verified against the problems supported by experimental data. The paper describes the mechanism of incorporating bathymetric data to simulate tsunamis in real water areas of the world ocean. Results of comparison with the nonlinear dispersion theory, which has demonstrated good agreement, are presented for the case of a historical tsunami of volcanic origin on the Montserrat Island in the Caribbean Sea.

Pizza again? On the division of polygons into sections with a common origin

NASA Astrophysics Data System (ADS)

Sinitsky, Ilya; Stupel, Moshe; Sinitsky, Marina

2018-02-01

The paper explores the division of a polygon into equal-area pieces using line segments originating at a common point. The mathematical background of the proposed method is very simple and belongs to secondary school geometry. Simple examples dividing a square into two, four or eight congruent pieces provide a starting point to discovering how to divide a regular polygon into any number of equal-area pieces using line segments originating from the centre. Moreover, it turns out that there are infinite ways to do the division. Discovering the basic invariant involved allows application of the same procedure to divide any tangential polygon, as after suitable adjustment, it can be used also for rectangles and parallelograms. Further generalization offers many additional solutions of the problem, and some of them are presented for the case of an arbitrary triangle and a square. Links to dynamic demonstrations in GeoGebra serve to illustrate the main results.

Authenticity techniques for PACS images and records

NASA Astrophysics Data System (ADS)

Wong, Stephen T. C.; Abundo, Marco; Huang, H. K.

1995-05-01

Along with the digital radiology environment supported by picture archiving and communication systems (PACS) comes a new problem: How to establish trust in multimedia medical data that exist only in the easily altered memory of a computer. Trust is characterized in terms of integrity and privacy of digital data. Two major self-enforcing techniques can be used to assure the authenticity of electronic images and text -- key-based cryptography and digital time stamping. Key-based cryptography associates the content of an image with the originator using one or two distinct keys and prevents alteration of the document by anyone other than the originator. A digital time stamping algorithm generates a characteristic `digital fingerprint' for the original document using a mathematical hash function, and checks that it has not been modified. This paper discusses these cryptographic algorithms and their appropriateness for a PACS environment. It also presents experimental results of cryptographic algorithms on several imaging modalities.

Plant medicines of Indian origin for wound healing activity: a review.

PubMed

Biswas, Tuhin Kanti; Mukherjee, Biswapati

2003-03-01

Research on wound healing drugs is a developing area in modern biomedical sciences. Scientists who are trying to develop newer drugs from natural resources are looking toward the Ayurveda, the Indian traditional system of medicine. Several drugs of plant, mineral, and animal origin are described in the Ayurveda for their wound healing properties under the term Vranaropaka. Most of these drugs are derived from plant origin. Some of these plants have been screened scientifically for the evaluation of their wound healing activity in different pharmacological models and patients, but the potential of most remains unexplored. In a few cases, active chemical constituents were identified. Some Ayurvedic medicinal plants, namely, Ficus bengalensis, Cynodon dactylon, Symplocos racemosa, Rubia cordifolia, Pterocarpus santalinus, Ficus racemosa, Glycyrrhiza glabra, Berberis aristata, Curcuma longa, Centella asiatica, Euphorbia nerifolia, and Aloe vera, were found to be effective in experimental models. This paper presents a limited review of plants used in Ayurvedic medicine.

Causation and the origin of life. Metabolism or replication first?

PubMed

Pross, Addy

2004-06-01

The conceptual gulf that separates the 'metabolism first' and 'replication first' mechanisms for the emergence of life continues to cloud the origin of life debate. In the present paper we analyze this aspect of the origin of life problem and offer arguments in favor of the 'replication first' school. Utilizing Wicken's two-tier approach to causation we argue that a causal connection between replication and metabolism can only be demonstrated if replication would have preceded metabolism. In conjunction with existing empirical evidence and theoretical reasoning, our analysis concludes that there is no substantive evidence for a 'metabolism first' mechanism for life's emergence, while a coherent case can be made for the 'replication first' group of mechanisms. The analysis reaffirms our conviction that life is an extreme expression of kinetic control, and that the emergence of metabolic pathways can be understood by considering life as a manifestation of 'replicative chemistry'.

Consistency assessment with global and bridging development strategies in emerging markets.

PubMed

Li, Gang; Chen, Josh; Quan, Hui; Shentu, Yue

2013-11-01

Global trial strategy with the participation of all major regions including countries from emerging markets surely increases new drug development efficiency. Nevertheless, there are circumstances in which some countries in emerging markets cannot join the original global trial. To evaluate the extrapolability of the original trial results to a new country, a bridging trial in the country has to be conducted. In this paper, we first evaluate the efficiency loss of the bridging trial strategy compared to that of the global trial strategy as a function of between-study variability from consistency assessment perspective. The provided evidence should encourage countries in emerging markets to make a greater effort to participate in the original global trial. We then discuss sample size requirement for desired assurance probability for consistency assessment based on various approaches for both global and bridging trial strategies. Examples are presented for numerical demonstration and comparisons. Copyright © 2013 Elsevier Inc. All rights reserved.

Theories for the origin of lunar magnetism

NASA Technical Reports Server (NTRS)

Daily, W. D.; Dyal, P.

1979-01-01

This paper reviews the major theories which have been proposed to explain the remanent magnetism found in the lunar crust. A total of nine different mechanisms for lunar magnetism are discussed and evaluated in light of the theoretical and experimental constraints pertinent to lunar magnetism. It is concluded that none of these theories in their present state of development satisfy all the known constraints. However, the theories which agree best with the present understanding of the moon are meteorite impact magnetization, thermoelectric dynamo field generation, and an early solar wind field.

Corrigendum to “Atom probe tomography characterization of neutron irradiated surveillance samples from the R.E. Ginna reactor pressure vessel”

DOE PAGES

Edmondson, Philip D.; Miller, Michael K.; Powers, K. A.; ...

2017-03-24

In our recent paper entitled “Atom probe tomography characterization of neutron irradiated surveillance samples from the R. E. Ginna reactor pressure vessel”, we make reference to a table within the article as providing the average compositions of the precipitates, when in fact the bulk compositions were given. In this correction, we present the average precipitate compositions for the data presented in Ref. [1]. These correct compositions are provided for information and do not alter the conclusions of the original manuscript.

[Pedophilia. Prevalence, etiology, and diagnostics].

PubMed

Mokros, A; Osterheider, M; Nitschke, J

2012-03-01

Pedophilia is a disorder of sexual preference that increases the risk for committing sexual offenses against children. Consequently, pedophilia is not only relevant in psychiatric therapy and prognostics, but also greatly influences the public attitude towards criminality. Public opinion seems to equate pedophilia with child sexual abuse and vice versa which leads to stigmatization of patients and may impede treatment. The present paper provides information on recent studies on the potential origins of the disorder and introduces new diagnostic methods. Moreover, the article presents estimates on the prevalence of pedophilic sexual interest.

The 100 most influential papers about cataract surgery: a bibliometric analysis.

PubMed

Lin, Ze-Nan; Chen, Jie; Zhang, Qi; Li, Qian; Cai, Min-Yun; Yang, Hai; Cui, Hong-Ping

2017-01-01

To identify the 100 most cited papers in cataract surgery, we performed a comprehensive bibliometric analysis basing on the literature search on the Thomson Reuters Web of Knowledge. The number of citations, including the total citations, latest 5y citations and average citation number per year (ACY), authorship, year of publication, major topics, journal of publication, country and institution of origin of each paper were recorded and then analyzed. Pearson's correlation analysis was conducted to evaluate the correlation between the published year and the number of citations. The correlation between journal's impact factor (IF) and number of citations was assessed as well. The most cited paper was the classic paper done by the European Society of Cataract & Refractive Surgeons (ESCRS) group. This paper focused on the topic of endophthalmitis. Not only the most cited papers originated from the USA, but also some American institutions like Johns Hopkins University, Harvard Medical School, etc. had the most citations. Pearson's correlation analysis indicated that the latest 5y citations and ACY were significantly related with the published year (5y citations: r =0.615, P <0.001; ACY: r =0.657, P <0.001), whereas no association between the total number of citations and published year was found ( r =0.045). Moreover, the IFs of journals were found to have no significant effect on the number of total citations. To our knowledge, this is the first study on the most influential papers in cataract surgery after a comprehensive research of relevant literatures. The present work may provide us concise information concerning the development history of cataract surgery over the past 66y.

The 100 most influential papers about cataract surgery: a bibliometric analysis

PubMed Central

Lin, Ze-Nan; Chen, Jie; Zhang, Qi; Li, Qian; Cai, Min-Yun; Yang, Hai; Cui, Hong-Ping

2017-01-01

AIM To identify the 100 most cited papers in cataract surgery, we performed a comprehensive bibliometric analysis basing on the literature search on the Thomson Reuters Web of Knowledge. METHODS The number of citations, including the total citations, latest 5y citations and average citation number per year (ACY), authorship, year of publication, major topics, journal of publication, country and institution of origin of each paper were recorded and then analyzed. Pearson's correlation analysis was conducted to evaluate the correlation between the published year and the number of citations. The correlation between journal's impact factor (IF) and number of citations was assessed as well. RESULTS The most cited paper was the classic paper done by the European Society of Cataract & Refractive Surgeons (ESCRS) group. This paper focused on the topic of endophthalmitis. Not only the most cited papers originated from the USA, but also some American institutions like Johns Hopkins University, Harvard Medical School, etc. had the most citations. Pearson's correlation analysis indicated that the latest 5y citations and ACY were significantly related with the published year (5y citations: r=0.615, P<0.001; ACY: r=0.657, P<0.001), whereas no association between the total number of citations and published year was found (r=0.045). Moreover, the IFs of journals were found to have no significant effect on the number of total citations. CONCLUSION To our knowledge, this is the first study on the most influential papers in cataract surgery after a comprehensive research of relevant literatures. The present work may provide us concise information concerning the development history of cataract surgery over the past 66y. PMID:29062780

Influence of small-scale turbulence on cup anemometer calibrations

NASA Astrophysics Data System (ADS)

Marraccini, M.; Bak-Kristensen, K.; Horn, A.; Fifield, E.; Hansen, S. O.

2017-11-01

The paper presents and discusses the calibration results of cup anemometers under different levels of small-scale turbulence. Small-scale turbulence is known to govern the curvature of shear layers around structures and is not related to the traditional under and over speeding of cup anemometers originating from large-scale turbulence components. The paper has shown that the small-scale turbulence has a significant effect on the calibration results obtained for cup anemometers. At 10m/s the rotational speed seems to change by approx. 0.5% due to different simulations of the small-scale turbulence. The work which this paper is based on, is part of the TrueWind research project, aiming to increase accuracy of mast top-mounted cup anemometer measurements.

Identification of characteristic organic contaminants in wastewaters from modern paper production sites and subsequent tracing in a river.

PubMed

Dsikowitzky, Larissa; Botalova, Oxana; Illgut, Sarah; Bosowski, Sylwana; Schwarzbauer, Jan

2015-12-30

The paper industry is one of the most significant industrial branches that contributes to water pollution. Recent studies regarding the chemical composition of wastewaters from modern paper production sites are sparse, and organic contaminants originating from this source may remain undetected and uncontrolled. Therefore, for this study, non-target screening analyses of wastewaters from five different paper production sites were performed, including an extended analysis of one facility, for the identification of volatile non-polar to semi-polar organic contaminants. The identified contaminants were also traced in the adjacent river. Several specific agents related to paper production, including photoinitiators, ink and thermal paper constituents, were present in most wastewaters and were therefore considered to be characteristic paper industry contaminants. A couple of contaminants identified in this study are being reported for the first time and might be toxic, but have been neglected in previous studies. Bisphenol A and 2,4,7,9-tetramethyl-5-decyne-4,7-diol were found in untreated wastewaters, treated wastewater and in river water. Bisphenol A was present in river water downstream from where the paper industry discharges at a concentration that was reported to affect the reproduction of gastropods. Thus, our findings imply that paper industry discharges pose a risk to the populations of sensitive macroinvertebrates. Copyright © 2015 Elsevier B.V. All rights reserved.

Ring-oven based preconcentration technique for microanalysis: simultaneous determination of Na, Fe, and Cu in fuel ethanol by laser induced breakdown spectroscopy.

PubMed

Cortez, Juliana; Pasquini, Celio

2013-02-05

The ring-oven technique, originally applied for classical qualitative analysis in the years 1950s to 1970s, is revisited to be used in a simple though highly efficient and green procedure for analyte preconcentration prior to its determination by the microanalytical techniques presently available. The proposed preconcentration technique is based on the dropwise delivery of a small volume of sample to a filter paper substrate, assisted by a flow-injection-like system. The filter paper is maintained in a small circular heated oven (the ring oven). Drops of the sample solution diffuse by capillarity from the center to a circular area of the paper substrate. After the total sample volume has been delivered, a ring with a sharp (c.a. 350 μm) circular contour, of about 2.0 cm diameter, is formed on the paper to contain most of the analytes originally present in the sample volume. Preconcentration coefficients of the analyte can reach 250-fold (on a m/m basis) for a sample volume as small as 600 μL. The proposed system and procedure have been evaluated to concentrate Na, Fe, and Cu in fuel ethanol, followed by simultaneous direct determination of these species in the ring contour, employing the microanalytical technique of laser induced breakdown spectroscopy (LIBS). Detection limits of 0.7, 0.4, and 0.3 μg mL(-1) and mean recoveries of (109 ± 13)%, (92 ± 18)%, and (98 ± 12)%, for Na, Fe, and Cu, respectively, were obtained in fuel ethanol. It is possible to anticipate the application of the technique, coupled to modern microanalytical and multianalyte techniques, to several analytical problems requiring analyte preconcentration and/or sample stabilization.

Two approximations of the present value distribution of a disability annuity

NASA Astrophysics Data System (ADS)

Spreeuw, Jaap

2006-02-01

The distribution function of the present value of a cash flow can be approximated by means of a distribution function of a random variable, which is also the present value of a sequence of payments, but with a simpler structure. The corresponding random variable has the same expectation as the random variable corresponding to the original distribution function and is a stochastic upper bound of convex order. A sharper upper bound can be obtained if more information about the risk is available. In this paper, it will be shown that such an approach can be adopted for disability annuities (also known as income protection policies) in a three state model under Markov assumptions. Benefits are payable during any spell of disability whilst premiums are only due whenever the insured is healthy. The quality of the two approximations is investigated by comparing the distributions obtained with the one derived from the algorithm presented in the paper by Hesselager and Norberg [Insurance Math. Econom. 18 (1996) 35-42].

Summary and Review of the Abstracts on Disorders of Red Cells and Erythropoiesis Presented at Haematocon 2016-2017.

PubMed

Sharma, Prashant

2018-01-01

Disorders of red cells and erythropoiesis encompass a vast array of inherited and acquired conditions, several of which are important not just medically but are also concern public health and policy making. Research in India in this area has been plentiful and has, in the past, focused on the laboratory diagnosis and clinical management of these disorders as well as their basic underlying pathogenesis. In the last 2 years too, papers presented at the annual national conferences of the Indian Society of Haematology and Blood Transfusion, ISHBT (Haematocon 2016 and 2017) presented a snapshot of the contemporary research activities that are ongoing in various academic and other centres. This mini-review analyzes and summarizes the salient findings of the original research abstracts presented. The papers are divided into broad subsections of α- and β- thalassemias with the hemoglobinopathies, iron deficiency and overload states, red cell membranopathies and enzymopathies, and acquired hemolytic anemias.

The classic: The architecture of the trabecular bone (tenth contribution on the mechanics of the human skeletal framework).

PubMed

von Meyer, Georg Hermann

2011-11-01

Hermann von Meyer may rightfully be considered the original proposer of the concept of trabecular architecture following patterns suggesting the directions of principle compressive and tensile stresses in a similarly shaped trabecular structure. Until the mid 19th Century, few had observed trabecular architecture, and when depicted was generally considered to have little regularity. In the 1830s Bourgery, Ward, and Wyman independently described the regularity of trabecular architecture, but according to Koch (1917) the proposed explanations were in error or overly simplified. Karl Culmann, an engineer and the developer of "graphic statics," attended a lecture of von Meyer and made the connection, which was then developed by the latter in this seminal paper. We present the paper in translation here. The original German article entitled "Die Architectur der Spongiosa" was often written in long, cumbersome sentences, with sometimes obscure meanings. We have taken considerable license in translating, rearranging punctuation, and condensing the material into modern terminology and style, while attempting to maintain the flavor of von Meyer's writing. We thank Dr. Per K. Amundson for the original translation; Drs. John Skedros and Richard Brand made additional suggestions. An accompanying biographical sketch of Hermann von Meyer is available at DOI 10.1007/s11999-011-2040-6.

Describing polyhedral tilings and higher dimensional polytopes by sequence of their two-dimensional components

PubMed Central

Nishio, Kengo; Miyazaki, Takehide

2017-01-01

Polyhedral tilings are often used to represent structures such as atoms in materials, grains in crystals, foams, galaxies in the universe, etc. In the previous paper, we have developed a theory to convert a way of how polyhedra are arranged to form a polyhedral tiling into a codeword (series of numbers) from which the original structure can be recovered. The previous theory is based on the idea of forming a polyhedral tiling by gluing together polyhedra face to face. In this paper, we show that the codeword contains redundant digits not needed for recovering the original structure, and develop a theory to reduce the redundancy. For this purpose, instead of polyhedra, we regard two-dimensional regions shared by faces of adjacent polyhedra as building blocks of a polyhedral tiling. Using the present method, the same information is represented by a shorter codeword whose length is reduced by up to the half of the original one. Shorter codewords are easier to handle for both humans and computers, and thus more useful to describe polyhedral tilings. By generalizing the idea of assembling two-dimensional components to higher dimensional polytopes, we develop a unified theory to represent polyhedral tilings and polytopes of different dimensions in the same light. PMID:28094254

The popularization of the ethnological documentary film at the beginning of the 21st century.

PubMed

Svilicić, Nika; Vidacković, Zlatko

2013-12-01

This paper seeks to explain the reasons for the rising popularity of the ethnological documentary genre in all its forms, emphasizing its correlation with contemporary social events or trends. The paper presents the origins and the development of the ethnological documentary film in the anthropological domain. Special attention is given to the most influential documentaries of the last decade, dealing with politics: (Fahrenheit 9/1, Bush's Brain), gun control (Bowling for Columbine), health (Sicko), the economy (Capitalism: A Love Story), ecology An Inconvenient Truth) and food (Super Size Me). The paper further analyzes the popularization of the documentary film in Croatia, the most watched Croatian documentaries in theatres, and the most controversial Croatian documentaries. It determines the structure and methods in the making of a documentary film, presents the basic types of scripts for a documentary film, and points out the differences between scripts for a documentary and a feature film. Finally, the paper questions the possibility of capturing the whole truth and whether some documentaries, such as the Croatian classics: A Little Village Performance and Green Love, are documentaries at all.

What Teachers Should Know about the Evolution-Intentional Design Debate on the Origin of Life.

ERIC Educational Resources Information Center

Brekke, Stewart E.

This paper discusses the beginning of life on Earth, the formation of life forms, evolution, and the origin of life. The paper suggests that how life first appeared on earth is not known and may never be known. (YDS)

Validation study of an electronic method of condensed outcomes tools reporting in orthopaedics.

PubMed

Farr, Jack; Verma, Nikhil; Cole, Brian J

2013-12-01

Patient-reported outcomes (PRO) instruments are a vital source of data for evaluating the efficacy of medical treatments. Historically, outcomes instruments have been designed, validated, and implemented as paper-based questionnaires. The collection of paper-based outcomes information may result in patients becoming fatigued as they respond to redundant questions. This problem is exacerbated when multiple PRO measures are provided to a single patient. In addition, the management and analysis of data collected in paper format involves labor-intensive processes to score and render the data analyzable. Computer-based outcomes systems have the potential to mitigate these problems by reformatting multiple outcomes tools into a single, user-friendly tool.The study aimed to determine whether the electronic outcomes system presented produces results comparable with the test-retest correlations reported for the corresponding orthopedic paper-based outcomes instruments.The study is designed as a crossover study based on consecutive orthopaedic patients arriving at one of two designated orthopedic knee clinics.Patients were assigned to complete either a paper or a computer-administered questionnaire based on a similar set of questions (Knee injury and Osteoarthritis Outcome Score, International Knee Documentation Committee form, 36-Item Short Form survey, version 1, Lysholm Knee Scoring Scale). Each patient completed the same surveys using the other instrument, so that all patients had completed both paper and electronic versions. Correlations between the results from the two modes were studied and compared with test-retest data from the original validation studies.The original validation studies established test-retest reliability by computing correlation coefficients for two administrations of the paper instrument. Those correlation coefficients were all in the range of 0.7 to 0.9, which was deemed satisfactory. The present study computed correlation coefficients between the paper and electronic modes of administration. These correlation coefficients demonstrated similar results with an overall value of 0.86.On the basis of the correlation coefficients, the electronic application of commonly used knee outcome scores compare variably to the traditional paper variants with a high rate of test-retest correlation. This equivalence supports the use of the condensed electronic outcomes system and validates comparison of scores between electronic and paper modes. Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

[ULTRASTRUCTURE OF PARENCHYMA IN THE SYNCYTIAL DIGESTIVE SYSTEM IN TURBELLARIA Convoluta convoluta (Acoela].

PubMed

Gazizova, G R; Zabotin, Ya I; Golubev, A I

2015-01-01

The paper presents data on the ultrastructure of parenchyma that is involved in the digestion in turbellaria Convoluta convoluta (n = 15). Unusual connections between the nuclear envelope, endoplasmic reticulum and plasma membrane of parenchymal cells were found for the first time, which may indicate the origin of these cell structures. The double trophic role of zooxanthellae in the organism of Convoluta is described.

What Feynman Could Not yet Use: The Generalised Hong-Ou-Mandel Experiment to Improve the QED Explanation of the Pauli Exclusion Principle

ERIC Educational Resources Information Center

Malgieri, Massimiliano; Tenni, Antonio; Onorato, Pasquale; De Ambrosis, Anna

2016-01-01

In this paper we present a reasoning line for introducing the Pauli exclusion principle in the context of an introductory course on quantum theory based on the sum over paths approach. We start from the argument originally introduced by Feynman in "QED: The Strange Theory of Light and Matter" and improve it by discussing with students…

Decision Making: An Imperative for Language Learning; Highlights of the Annual Language Arts Conference of Memphis State University (7th, Memphis, June 12-14, 1974).

ERIC Educational Resources Information Center

Rakes, Thomas A., Ed.; Brotherton, Sophia, Ed.

This document presents nine papers which were originally prepared for the 1974 Annual Language Arts Conference at Memphis State University. Included are: "Proxemics" by Dale F. Baltus; "Reading and Study Skill Hints for Intermediate and Secondary Teachers" by Stuart W. Bray; "A Reading Game License" by Flora C. Fowler; "Teach Kids to Think" by…

Fourth Symposium on Chemical Evolution and the Origin and Evolution of Life

NASA Technical Reports Server (NTRS)

Wharton, Robert A., Jr. (Editor); Andersen, Dale T. (Editor); Bzik, Sara E. (Editor); Rummel, John D. (Editor)

1991-01-01

This symposium was held at the NASA Ames Research Center, Moffett Field, California, July 24-27, 1990. The NASA exobiology investigators reported their recent research findings. Scientific papers were presented in the following areas: cosmic evolution of biogenic compounds, prebiotic evolution (planetary and molecular), early evolution of life (biological and geochemical), evolution of advanced life, solar system exploration, and the Search for Extraterrestrial Intelligence (SETI).

Northern homelands, northern frontier: linking culture and economic security in contemporary livelihoods in boreal and cold temperate forest communities in northern Canada

Treesearch

Andrew J. Chapeskie

2001-01-01

This paper highlights the environmental pressures that have historically been brought to bear on the northern forests of Canada. It then presents the idea of the northern frontier forests of Canada as Indigenous landscapes whose ecological diversity and abundance have historically been nurtured in no small measure by their original inhabitants. It then proposes how...

Message From the Editor for Contributions to the 2012 Real Time Conference Issue of TNS

NASA Astrophysics Data System (ADS)

Schmeling, Sascha Marc

2013-10-01

The papers in this special issue were originally presented at the 18th IEEE-NPSS Real Time Conference (RT2012) on Computing Applications in Nuclear and Plasma Sciences, held in Berkeley, California, USA, in June 2012. These contributions come from a broad range of fields of application, including Astrophysics, Medical Imaging, Nuclear and Plasma Physics, Particle Accelerators, and Particle Physics Experiments.

Photometric Signatures of Starbursts in Interacting Galaxies and the Butcher-Oemler Effect

NASA Technical Reports Server (NTRS)

Rakos, Karl D.; Maindl, Thomas I.; Schombert, James M.

1996-01-01

This paper presents new and synthetic narrow band photometry of ellipticals, spirals, Seyferts and interacting galaxies in an attempt to identify the cause of the unusually high fraction of blue cluster galaxies in distant clusters (the Butcher-Oemler Effect). The properties and distribution of the low redshift sample specifically points to starbursts as the origin of the blue narrow band colors in interacting Arp galaxies.

Different interest group views of fuels treatments: survey results from fire and fire surrogate treatments in a Sierran mixed conifer forest, California, USA

Treesearch

Sarah McCaffrey; Jason J. Moghaddas; Scott L. Stephens

2008-01-01

The present paper discusses results from a survey about the acceptance of and preferences for fuels treatments of participants following a field tour of the University of California Blodgett Forest Fire and Fire Surrogate Study Site. Although original expectations were that tours would be composed of general members of the public, individual tour groups ultimately were...

SAMBUCUS NIGRA LINN., A NEW RECORD FROM VALLEY OF FLOWERS

PubMed Central

Vikramaditya; Sharma, Kedar Nath

1999-01-01

Under the present paper, authors have reposted finding of Sambucus nigra L. as new introduction in medicinal plans in the flora of “Valley of flowers’. Sambucus nigra L. Originally is an European plant and is very important for its medicinal potential, being used in various systems of medicine to cure number of ailments. In natural order Sambucus nigra L. belongs to family caprifoliaceae. PMID:22556907

Investing in Student Success: Examining the Return on Investment for Minority-Serving Institutions. Policy Information Report and ETS Research Report Series No. RR-17-57

ERIC Educational Resources Information Center

Gasman, Marybeth, Ed.; Samayoa, Andrés Castro, Ed.; Nettles, Michael, Ed.

2017-01-01

Although minority-serving institutions (MSIs) educate nearly one fifth of the nation's college students, there is to date little research on MSI's return on investment (ROI). To address this, the University of Pennsylvania and Educational Testing Service commissioned four papers focusing on the ROI for MSIs, which were presented originally in…

Understanding Air Transportation Market Dynamics Using a Search Algorithm for Calibrating Travel Demand and Price

NASA Technical Reports Server (NTRS)

Kumar, Vivek; Horio, Brant M.; DeCicco, Anthony H.; Hasan, Shahab; Stouffer, Virginia L.; Smith, Jeremy C.; Guerreiro, Nelson M.

2015-01-01

This paper presents a search algorithm based framework to calibrate origin-destination (O-D) market specific airline ticket demands and prices for the Air Transportation System (ATS). This framework is used for calibrating an agent based model of the air ticket buy-sell process - Airline Evolutionary Simulation (Airline EVOS) -that has fidelity of detail that accounts for airline and consumer behaviors and the interdependencies they share between themselves and the NAS. More specificially, this algorithm simultaneous calibrates demand and airfares for each O-D market, to within specified threshold of a pre-specified target value. The proposed algorithm is illustrated with market data targets provided by the Transportation System Analysis Model (TSAM) and Airline Origin and Destination Survey (DB1B). Although we specify these models and datasources for this calibration exercise, the methods described in this paper are applicable to calibrating any low-level model of the ATS to some other demand forecast model-based data. We argue that using a calibration algorithm such as the one we present here to synchronize ATS models with specialized forecast demand models, is a powerful tool for establishing credible baseline conditions in experiments analyzing the effects of proposed policy changes to the ATS.

The Renewed Promise of Medical Informatics

PubMed Central

2016-01-01

Summary The promise of the field of Medical Informatics has been great and its impact has been significant. In 1999, the Yearbook editors of the International Medical Informatics Association (IMIA) - also the authors of the present paper - sought to assess this impact by selecting a number of seminal papers in the field, and asking experts to comment on these articles. In particular, it was requested whether and how the expectations, represented by these papers, had been fulfilled since their publication several decades earlier. Each expert was also invited to comment on what might be expected in the future. In the present paper, these areas are briefly reviewed again. Where did these early papers have an impact and where were they not as successful as originally expected? It should be noted that the extraordinary developments in computer technology observed in the last two decades could not have been foreseen by these early researchers. In closing, some of the possibilities and limitations of research in medical informatics are outlined in the context of a framework that considers six levels of computer applications in medicine and health care. For each level, some predictions are made for the future, concluded with thoughts on fruitful areas for ongoing research in the field. PMID:27199195

The Renewed Promise of Medical Informatics.

PubMed

van Bemmel, J H; McCray, A T

2016-05-20

The promise of the field of Medical Informatics has been great and its impact has been significant. In 1999, the Yearbook editors of the International Medical Informatics Association (IMIA) - also the authors of the present paper - sought to assess this impact by selecting a number of seminal papers in the field, and asking experts to comment on these articles. In particular, it was requested whether and how the expectations, represented by these papers, had been fulfilled since their publication several decades earlier. Each expert was also invited to comment on what might be expected in the future. In the present paper, these areas are briefly reviewed again. Where did these early papers have an impact and where were they not as successful as originally expected? It should be noted that the extraordinary developments in computer technology observed in the last two decades could not have been foreseen by these early researchers. In closing, some of the possibilities and limitations of research in medical informatics are outlined in the context of a framework that considers six levels of computer applications in medicine and health care. For each level, some predictions are made for the future, concluded with thoughts on fruitful areas for ongoing research in the field.

Public Schools and the Original Federal Land Grant Program. A Background Paper from the Center on Education Policy

ERIC Educational Resources Information Center

Usher, Alexandra

2011-01-01

This background paper from the Center on Education Policy (CEP) examines the origins, history, and evolution of federal land grants for public schools, as well as their significance as an early example of the federal role in education. It is intended to serve as a more detailed companion to another CEP paper, "Get the Federal Government Out of…

Effects of Valence and Origin of Emotions in Word Processing Evidenced by Event Related Potential Correlates in a Lexical Decision Task

PubMed Central

Imbir, Kamil K.; Spustek, Tomasz; Żygierewicz, Jarosław

2016-01-01

This paper presents behavioral and event-related potential (ERP) correlates of emotional word processing during a lexical decision task (LDT). We showed that valence and origin (two distinct affective properties of stimuli) help to account for the ERP correlates of LDT. The origin of emotion is a factor derived from the emotion duality model. This model distinguishes between the automatic and controlled elicitation of emotional states. The subjects’ task was to discriminate words from pseudo-words. The stimulus words were carefully selected to differ with respect to valence and origin whilst being matched with respect to arousal, concreteness, length and frequency in natural language. Pseudo-words were matched to words with respect to length. The subjects were 32 individuals aged from 19 to 26 years who were invited to participate in an EEG study of lexical decision making. They evaluated a list of words and pseudo-words. We found that valence modulated the amplitude of the FN400 component (290–375 ms) at centro-frontal (Fz, Cz) region, whereas origin modulated the amplitude of the component in the LPC latency range (375–670 ms). The results indicate that the origin of stimuli should be taken into consideration while deliberating on the processing of emotional words. PMID:26973569

[Textual criticized and collated on names and breeds of Tibetan medicine "Dida"].

PubMed

Zhong, Guoyue; Gu, Rui; Zhou, Huarong; Whang, Changhua; Zhao, Jifeng; Liu, Xiang; Zeweng, Yongzhong; Qin, Songyun

2009-12-01

Integrating textual criticism literatures with field survey, the name, classification and botanical originals of breeds of Tibetan medicine "Dida" were discussed in this paper. The results showed that it's very intricate and confusion in the names, breeds and botanical originals of "Dida", and those were the key restricting factors resulting in shortfall and difficult formulation in quality standard of "Dida". The similar situations are existing universally in ethnodrugs, and reflecting the necessity and urgency to collate ethnodrug breeds. On the other hand, Because of the morphologic description on the botanical origins of drug was often simple in the ancient literatures, and in most cases, the botanical origins of the drug were difficult to identify accurately on the basis of the literatures. So, in the collating the breeds, it's necessary to follow the principle of "according to the ancient literatures but no rigidly", and to pay attention to the historical vicissitude of the drug breeds and origins, and the survey of present resources and clinical using, draw actively on outcome of chemical and biological active researches. That inherited the characteristics and advantages of ethnodrugs, and promoted them them modernization.

The Strengths and Weaknesses of Total Quality Management in Higher Education.

ERIC Educational Resources Information Center

Hazzard, Terry

This paper defines Total Quality Management (TQM), discusses its origins, and identifies its strengths and weaknesses as they apply to higher education. The paper defines TQM as a philosophy of organizations that defines quality and improves organizational performance and administrative systems. The system originated from statistical quality…

40 CFR 63.11094 - What are my recordkeeping requirements?

Code of Federal Regulations, 2014 CFR

2014-07-01

...)(1) of this section is an exact duplicate image of the original paper record with certifying... section is an exact duplicate image of the original paper record with certifying signatures. (ii) The... approval to use a vapor processing system or monitor an operating parameter other than those specified in...

40 CFR 63.11094 - What are my recordkeeping requirements?

Code of Federal Regulations, 2012 CFR

2012-07-01

...)(1) of this section is an exact duplicate image of the original paper record with certifying... section is an exact duplicate image of the original paper record with certifying signatures. (ii) The... approval to use a vapor processing system or monitor an operating parameter other than those specified in...

40 CFR 63.11094 - What are my recordkeeping requirements?

Code of Federal Regulations, 2011 CFR

2011-07-01

...)(1) of this section is an exact duplicate image of the original paper record with certifying... section is an exact duplicate image of the original paper record with certifying signatures. (ii) The... approval to use a vapor processing system or monitor an operating parameter other than those specified in...

40 CFR 63.11094 - What are my recordkeeping requirements?

Code of Federal Regulations, 2013 CFR

2013-07-01

...)(1) of this section is an exact duplicate image of the original paper record with certifying... section is an exact duplicate image of the original paper record with certifying signatures. (ii) The... approval to use a vapor processing system or monitor an operating parameter other than those specified in...

75 FR 31223 - Energy Conservation Program for Consumer Products: Test Procedure for Residential Central Air...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-06-02

...., Washington, DC 20585-0121. Please submit one signed paper original. Hand Delivery/Courier: Ms. Brenda Edwards...., Washington, DC 20024. Telephone: (202) 586-2945. Please submit one signed paper original. Instructions: [email protected] . SUPPLEMENTARY INFORMATION: I. Authority and Background A. Authority B. Background II...

75 FR 56795 - Energy Conservation Program: Certification, Compliance, and Enforcement for Consumer Products and...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-09-16

... one signed paper original. Hand Delivery/Courier: Ms. Brenda Edwards, U.S. Department of Energy...-2945. Please submit one signed paper original. Instructions: All submissions received must include the... . SUPPLEMENTARY INFORMATION: I. Authority and Background II. Summary of the Proposal A. Reorganization of DOE's...

75 FR 57555 - Energy Conservation Program for Consumer Products: Test Procedure for Residential Clothes Washers

Federal Register 2010, 2011, 2012, 2013, 2014

2010-09-21

... one signed original paper copy. 4. Hand Delivery/Courier: Ms. Brenda Edwards, U.S. Department of.... Telephone: (202) 586-2945. Please submit one signed original paper copy. For detailed instructions on...-mail: [email protected] . SUPPLEMENTARY INFORMATION: Table of Contents I. Background and Legal...

40 CFR 60.505 - Reporting and recordkeeping.

Code of Federal Regulations, 2012 CFR

2012-07-01

... of each monthly leak inspection required under § 60.502(j) shall be kept on file at the terminal for...)(1) of this section is an exact duplicate image of the original paper record with certifying...) of this section is an exact duplicate image of the original paper record with certifying signatures...

40 CFR 60.505 - Reporting and recordkeeping.

Code of Federal Regulations, 2014 CFR

2014-07-01

... of each monthly leak inspection required under § 60.502(j) shall be kept on file at the terminal for...)(1) of this section is an exact duplicate image of the original paper record with certifying...) of this section is an exact duplicate image of the original paper record with certifying signatures...

40 CFR 60.505 - Reporting and recordkeeping.

Code of Federal Regulations, 2013 CFR

2013-07-01

... of each monthly leak inspection required under § 60.502(j) shall be kept on file at the terminal for...)(1) of this section is an exact duplicate image of the original paper record with certifying...) of this section is an exact duplicate image of the original paper record with certifying signatures...

40 CFR 60.505 - Reporting and recordkeeping.

Code of Federal Regulations, 2011 CFR

2011-07-01

... of each monthly leak inspection required under § 60.502(j) shall be kept on file at the terminal for...)(1) of this section is an exact duplicate image of the original paper record with certifying...) of this section is an exact duplicate image of the original paper record with certifying signatures...

Originality and Creativity.

ERIC Educational Resources Information Center

Tan, Shaun

This paper discusses the creative process of one author, a professional author/illustrator of picture books. The paper muses about the meaning of creativity and originality and states inspiration has to do with careful research and looking for a challenge. Creativity is about testing one proposition against another and seeing how things combine…

Nanofibrillated cellulose as an additive in papermaking process: A review.

PubMed

Boufi, Sami; González, Israel; Delgado-Aguilar, Marc; Tarrès, Quim; Pèlach, M Àngels; Mutjé, Pere

2016-12-10

During the last two decades, cellulose nanofibres (CNF) have emerged as a promising, sustainable reinforcement with outstanding potential in material sciences. Though application of CNF in papermaking is recent, it is expected to find implementation in the near future to give a broader commercial market to this type of cellulose. The present review highlights recent progress in the field of the application of cellulose nanofibres as additives in papermaking. The effect of CNF addition on the wet end process is analysed according to the type of pulp used for papermaking. According to the literature consulted, improvement in paper's overall properties after CNF addition depended not only on the type and amount of CNF applied, but also in the pulp's origin and treatment. Bulk and surface application of CNF also presented significant differences regarding paper's final properties. This review also revises the mechanisms behind CNF reinforcing effect on paper and the effect of chemically modified CNF as additives. Copyright © 2016 Elsevier Ltd. All rights reserved.

A Successful Component Architecture for Interoperable and Evolvable Ground Data Systems

NASA Technical Reports Server (NTRS)

Smith, Danford S.; Bristow, John O.; Wilmot, Jonathan

2006-01-01

The National Aeronautics and Space Administration (NASA) Goddard Space Flight Center (GSFC) has adopted an open architecture approach for satellite control centers and is now realizing benefits beyond those originally envisioned. The Goddard Mission Services Evolution Center (GMSEC) architecture utilizes standardized interfaces and a middleware software bus to allow functional components to be easily integrated. This paper presents the GMSEC architectural goals and concepts, the capabilities enabled and the benefits realized by adopting this framework approach. NASA experiences with applying the GMSEC architecture on multiple missions are discussed. The paper concludes with a summary of lessons learned, future directions for GMSEC and the possible applications beyond NASA GSFC.

Characterization of Weak Convergence of Probability-Valued Solutions of General One-Dimensional Kinetic Equations

NASA Astrophysics Data System (ADS)

Perversi, Eleonora; Regazzini, Eugenio

2015-05-01

For a general inelastic Kac-like equation recently proposed, this paper studies the long-time behaviour of its probability-valued solution. In particular, the paper provides necessary and sufficient conditions for the initial datum in order that the corresponding solution converges to equilibrium. The proofs rest on the general CLT for independent summands applied to a suitable Skorokhod representation of the original solution evaluated at an increasing and divergent sequence of times. It turns out that, roughly speaking, the initial datum must belong to the standard domain of attraction of a stable law, while the equilibrium is presentable as a mixture of stable laws.

Phase distribution of spliceosomal introns: implications for intron origin

PubMed Central

Nguyen, Hung D; Yoshihama, Maki; Kenmochi, Naoya

2006-01-01

Background The origin of spliceosomal introns is the central subject of the introns-early versus introns-late debate. The distribution of intron phases is non-uniform, with an excess of phase-0 introns. Introns-early explains this by speculating that a fraction of present-day introns were present between minigenes in the progenote and therefore must lie in phase-0. In contrast, introns-late predicts that the nonuniformity of intron phase distribution reflects the nonrandomness of intron insertions. Results In this paper, we tested the two theories using analyses of intron phase distribution. We inferred the evolution of intron phase distribution from a dataset of 684 gene orthologs from seven eukaryotes using a maximum likelihood method. We also tested whether the observed intron phase distributions from 10 eukaryotes can be explained by intron insertions on a genome-wide scale. In contrast to the prediction of introns-early, the inferred evolution of intron phase distribution showed that the proportion of phase-0 introns increased over evolution. Consistent with introns-late, the observed intron phase distributions matched those predicted by an intron insertion model quite well. Conclusion Our results strongly support the introns-late hypothesis of the origin of spliceosomal introns. PMID:16959043

Experimental measurement of cooling tower emissions using image processing of sensitive papers

NASA Astrophysics Data System (ADS)

Ruiz, J.; Kaiser, A. S.; Ballesta, M.; Gil, A.; Lucas, M.

2013-04-01

Cooling tower emissions are harmful for several reasons such as air polluting, wetting, icing and solid particle deposition, but mainly due to human health hazards (i.e. Legionella). There are several methods for measuring drift drops. This paper is focussed on the sensitive paper technique, which is suitable in low drift scenarios and real conditions. The lack of an automatic classification method motivated the development of a digital image process algorithm for the Sensitive Paper method. This paper presents a detailed description of this method, in which, drop-like elements are identified by means of the Canny edge detector combined with some morphological operations. Afterwards, the application of a J48 decision tree is proposed as one of the most relevant contributions. This classification method allows us to discern between stains whose origin is a drop and stains whose origin is not a drop. The method is applied to a real case and results are presented in terms of drift and PM10 emissions. This involves the calculation of the main features of the droplet distribution at the cooling tower exit surface in terms of drop size distribution data, cumulative mass distribution curve and characteristic drop diameters. The Log-normal and the Rosin-Rammler distribution functions have been fitted to the experimental data collected in the tests and it can been concluded that the first one is the most suitable for experimental data among the functions tested (whereas the second one is less suitable). Realistic PM10 calculations include the measurement of drift emissions and Total Dissolved Solids as well as the size and number of drops. Results are compared to the method proposed by the U.S. Environmental Protection Agency assessing its overestimation. Drift emissions have found to be 0.0517% of the recirculating water, which is over the Spanish standards limit (0.05%).

An improved Overhauser magnetometer for Earth's magnetic field observation

NASA Astrophysics Data System (ADS)

Fan, Shifang; Chen, Shudong; Zhang, Shuang; Guo, Xin; Cao, Qiong

2016-09-01

Overhauser magnetometer is a kind of high-precision devices for magnetostatic field measurement. It is widely used in geological survey, earth field variations, UXO detection etc. However, the original Overhauser magnetometer JOM-2 shows great shortcomings of low signal to noise ratio (SNR) and high power consumption, which directly affect the performance of the device. In order to increase the sensitivity and reduce power consumption, we present an improved Overhauser magnetometer. Firstly, compared with the original power board which suffers from heavy noise for improper EMC design, an improved power broad with 20mV peak to peak noise is presented in this paper. Then, the junction field effect transistor (JFET) is used as pre-amplifier in our new design, to overcome the higher current noise produced by the original instrumentation amplifier. By adjusting the parameters carefully low noise factor down to 0.5 dB can be obtained. Finally, the new architecture of ARM + CPLD is adopted to replace the original one with DSP+CPLD. So lower power consumption and greater flash memory can be realized. With these measures, an improved Overhauser magnetometer with higher sensitivity and lower power consumption is design here. The experimental results indicate that the sensitivity of the improved Overhauser magnetometer is 0.071nT, which confirms that the new magnetometer is sensitive to earth field measurement.

Interdisciplinary Laboratory Course Facilitating Knowledge Integration, Mutualistic Teaming, and Original Discovery.

PubMed

Full, Robert J; Dudley, Robert; Koehl, M A R; Libby, Thomas; Schwab, Cheryl

2015-11-01

Experiencing the thrill of an original scientific discovery can be transformative to students unsure about becoming a scientist, yet few courses offer authentic research experiences. Increasingly, cutting-edge discoveries require an interdisciplinary approach not offered in current departmental-based courses. Here, we describe a one-semester, learning laboratory course on organismal biomechanics offered at our large research university that enables interdisciplinary teams of students from biology and engineering to grow intellectually, collaborate effectively, and make original discoveries. To attain this goal, we avoid traditional "cookbook" laboratories by training 20 students to use a dozen research stations. Teams of five students rotate to a new station each week where a professor, graduate student, and/or team member assists in the use of equipment, guides students through stages of critical thinking, encourages interdisciplinary collaboration, and moves them toward authentic discovery. Weekly discussion sections that involve the entire class offer exchange of discipline-specific knowledge, advice on experimental design, methods of collecting and analyzing data, a statistics primer, and best practices for writing and presenting scientific papers. The building of skills in concert with weekly guided inquiry facilitates original discovery via a final research project that can be presented at a national meeting or published in a scientific journal. © The Author 2015. Published by Oxford University Press on behalf of the Society for Integrative and Comparative Biology. All rights reserved. For permissions please email: journals.permissions@oup.com.

Design optimization of large-size format edge-lit light guide units

NASA Astrophysics Data System (ADS)

Hastanin, J.; Lenaerts, C.; Fleury-Frenette, K.

2016-04-01

In this paper, we present an original method of dot pattern generation dedicated to large-size format light guide plate (LGP) design optimization, such as photo-bioreactors, the number of dots greatly exceeds the maximum allowable number of optical objects supported by most common ray-tracing software. In the proposed method, in order to simplify the computational problem, the original optical system is replaced by an equivalent one. Accordingly, an original dot pattern is splitted into multiple small sections, inside which the dot size variation is less than the ink dots printing typical resolution. Then, these sections are replaced by equivalent cells with continuous diffusing film. After that, we adjust the TIS (Total Integrated Scatter) two-dimensional distribution over the grid of equivalent cells, using an iterative optimization procedure. Finally, the obtained optimal TIS distribution is converted into the dot size distribution by applying an appropriate conversion rule. An original semi-empirical equation dedicated to rectangular large-size LGPs is proposed for the initial guess of TIS distribution. It allows significantly reduce the total time needed to dot pattern optimization.

A Polymer-Dispersed Liquid Crystal-Based Dynamic Gain Equalizer

NASA Astrophysics Data System (ADS)

Barge, M.; Battarel, D.; de Bougrenet de La Tocnaye, J. L.

2005-08-01

This paper presents results obtained with a spatial light modulator (SLM) using a polymer-dispersed liquid-crystal (LC) material to provide dynamic gain equalization (DGE) for wavelength-division multiplexing (WDM) networks. We show the benefit of using a nonchannelized approach to adjust some physical parameters such as the ripple and the maximum obtainable attenuation slope for the spectra to be equalized. Particular attention is paid here to polarization dependence that can result from parasitic anisotropic multiple path interferences as well as induced anisotropy due to a planar transverse field when using a free-space SLM structure. In this frame, we demonstrate an original approach using a depolarizing prism that is only appropriate to such choice of material and that mitigates these effects. Finally, material engineering to widen the operating temperature range is also shortly presented in this paper.

Arc-welding quality assurance by means of embedded fiber sensor and spectral processing combining feature selection and neural networks

NASA Astrophysics Data System (ADS)

Mirapeix, J.; García-Allende, P. B.; Cobo, A.; Conde, O.; López-Higuera, J. M.

2007-07-01

A new spectral processing technique designed for its application in the on-line detection and classification of arc-welding defects is presented in this paper. A non-invasive fiber sensor embedded within a TIG torch collects the plasma radiation originated during the welding process. The spectral information is then processed by means of two consecutive stages. A compression algorithm is first applied to the data allowing real-time analysis. The selected spectral bands are then used to feed a classification algorithm, which will be demonstrated to provide an efficient weld defect detection and classification. The results obtained with the proposed technique are compared to a similar processing scheme presented in a previous paper, giving rise to an improvement in the performance of the monitoring system.

The range of options for handling plane angle and solid angle within a system of units

NASA Astrophysics Data System (ADS)

Quincey, Paul

2016-04-01

The radian and steradian are unusual units within the SI, originally belonging to their own category of ‘supplementary units’, with this status being changed to dimensionless ‘derived units’ in 1995. Recent papers have suggested that angles could be handled in two different ways within the SI, both differing from the present system. The purpose of this paper is to provide a framework for putting such suggestions into context, outlining the range of options that is available, together with the advantages and disadvantages of these options. Although less rigorously logical than some alternatives, the present SI approach is generally supported, but with some changes to the SI brochure to make the position clearer, in particular with regard to the designation of the radian and steradian as derived units.

[Development of the Portuguese version of MOS SF-36. Part I. Cultural and linguistic adaptation].

PubMed

Ferreira, P L

2000-01-01

No one aims at applying generic measures as substitutes for other more traditional clinical procedures. The whole history of the evolution of these types of measures has been based on comparisons with clinical measures, always seen by researchers as ways to validate health outcome measures and as a process to be recognized by clinicians as a way to detect changes in time not always detected by the usual measures. The measurement instrument presented in this paper is the Portuguese version of the MOS SF-36, originally a result of the Medical Outcomes Study, a study carried out by Rand Corporation researchers in the 80's. One of the objectives of these researchers was precisely to develop instruments to be used in continuous monitoring of outcomes. This paper describes the first time MOS SF-36 was culturally adapted to Portuguese, validated and implemented. The first part mentions some of the foundations and developments of the original instrument as well as some results obtained from some specific applications. The second part introduces operational definitions for each of the eight scales and describes the SF-36 measurement model as well as the factor structure with two dimensions. Next, we present the design used by us to transform the data from the time they are collected from the respondents to the time they are ready to be further used. Finally, the methodology used to culturally adapt the MOS SF-36 and create a Portuguese version which is culturally equivalent are presented.

A Function-Behavior-State Approach to Designing Human Machine Interface for Nuclear Power Plant Operators

NASA Astrophysics Data System (ADS)

Lin, Y.; Zhang, W. J.

2005-02-01

This paper presents an approach to human-machine interface design for control room operators of nuclear power plants. The first step in designing an interface for a particular application is to determine information content that needs to be displayed. The design methodology for this step is called the interface design framework (called framework ). Several frameworks have been proposed for applications at varying levels, including process plants. However, none is based on the design and manufacture of a plant system for which the interface is designed. This paper presents an interface design framework which originates from design theory and methodology for general technical systems. Specifically, the framework is based on a set of core concepts of a function-behavior-state model originally proposed by the artificial intelligence research community and widely applied in the design research community. Benefits of this new framework include the provision of a model-based fault diagnosis facility, and the seamless integration of the design (manufacture, maintenance) of plants and the design of human-machine interfaces. The missing linkage between design and operation of a plant was one of the causes of the Three Mile Island nuclear reactor incident. A simulated plant system is presented to explain how to apply this framework in designing an interface. The resulting human-machine interface is discussed; specifically, several fault diagnosis examples are elaborated to demonstrate how this interface could support operators' fault diagnosis in an unanticipated situation.

Effects of gamma irradiation on deteriorated paper

NASA Astrophysics Data System (ADS)

Bicchieri, Marina; Monti, Michela; Piantanida, Giovanna; Sodo, Armida

2016-08-01

Even though gamma radiation application, also at the minimum dosage required for disinfection, causes depolymerization and degradation of the paper substrate, recently published papers seemed, instead, to suggest that γ-rays application could be envisaged in some conditions for Cultural Heritage original documents and books. In some of the published papers, the possible application of γ-rays was evaluated mainly by using mechanical tests that scarcely reflect the chemical modifications induced in the cellulosic support. In the present article the effect of low dosage γ-irradiation on cellulosic substrates was studied and monitored applying different techniques: colorimetry, spectroscopic measurements, carbonyl content and average viscometric degree of polymerization. Two different papers were investigated, a non-sized, non-filled cotton paper, and a commercial permanent paper. To simulate a real deteriorated document, which could need γ-rays irradiation, some samples were submitted to a hydrolysis treatment. We developed a treatment based on the exposition of paper to hydrochloric acid vapors, avoiding any contact of the samples with water. This method induces a degradation similar to that observed on original documents. The samples were then irradiated with 3 kGy γ-rays at a 5258 Gy/h rate. The aforementioned analyses were performed on the samples just irradiated and after artificial ageing. All tests showed negative effects of gamma irradiation on paper. Non-irradiated paper preserves better its appearance and chemical properties both in the short term and after ageing, while the irradiated samples show appreciable color change and higher oxidation extent. Since the Istituto centrale restauro e conservazione patrimonio archivistico e librario is responsible for the choice of all restoration treatments that could be applied on library and archival materials under the protection of the Italian State (http://www.icpal.beniculturali.it/allegati/DM-7-10-2008-Istituto.pdf), it has been evaluated that the modifications induced by γ-rays irradiation are not acceptable as safe conservation treatment (http://www.icpal.beniculturali.it/allegati/Nota_uso_raggi_gamma.pdf).

Citation patterns of a controversial and high-impact paper: Worm et al. (2006) "Impacts of biodiversity loss on ocean ecosystem services".

PubMed

Branch, Trevor A

2013-01-01

Citation patterns were examined for Worm et al. 2006 (Science 314:787-790), a high-impact paper that focused on relationships between marine biodiversity and ecosystem services. This paper sparked much controversy through its projection, highlighted in the press release, that all marine fisheries would be collapsed by 2048. Analysis of 664 citing papers revealed that only a small percentage (11%) referred to the 2048 projection, while 39% referred to fisheries collapse in general, and 40% to biodiversity and ecosystem services. The 2048 projection was mentioned more often in papers published soon after the original paper, in low-impact journals, and in journals outside of fields that would be expected to focus on biodiversity. Citing papers also mentioned the 2048 projection more often if they had few authors (28% of single-author papers vs. 2% of papers with 10 or more authors). These factors suggest that the more knowledgeable the authors of citing papers were about the controversy over the 2048 projection, the less likely they were to refer to it. A noteworthy finding was that if the original authors were also involved in the citing papers, they rarely (1 of 55 papers, 2%) mentioned the 2048 projection. Thus the original authors have emphasized the broader concerns about biodiversity loss, rather than the 2048 projection, as the key result of their study.

Daylighting in the Springfield (Ohio) Museum of Art

DOE Office of Scientific and Technical Information (OSTI.GOV)

Moore, F.

This paper describes daylighting strategies used in the addition to the Springfield Museum of Art, Springfield, Ohio. The interior daylighting illuminances and luminances have been measured and these data are presented. The original museum was built in 1958. This original portion is approximately 18,000 ft{sup 2} (1,674 m{sup 2}) floor area and was remodeled as part of the 1995 addition to house and art school, cataloging, preparation, and administrative functions. The new addition is approximately 10,000 ft{sup 2} (930 m{sup 2}) and is primarily exhibit galleries with some additional administrative offices. Glaser Associated were the architects (Michael Moose, project architect)more » and the author was the daylighting consultant on the project.« less

Sorted Index Numbers for Privacy Preserving Face Recognition

NASA Astrophysics Data System (ADS)

Wang, Yongjin; Hatzinakos, Dimitrios

2009-12-01

This paper presents a novel approach for changeable and privacy preserving face recognition. We first introduce a new method of biometric matching using the sorted index numbers (SINs) of feature vectors. Since it is impossible to recover any of the exact values of the original features, the transformation from original features to the SIN vectors is noninvertible. To address the irrevocable nature of biometric signals whilst obtaining stronger privacy protection, a random projection-based method is employed in conjunction with the SIN approach to generate changeable and privacy preserving biometric templates. The effectiveness of the proposed method is demonstrated on a large generic data set, which contains images from several well-known face databases. Extensive experimentation shows that the proposed solution may improve the recognition accuracy.

Design and Implementation of Distributed Crawler System Based on Scrapy

NASA Astrophysics Data System (ADS)

Fan, Yuhao

2018-01-01

At present, some large-scale search engines at home and abroad only provide users with non-custom search services, and a single-machine web crawler cannot sovle the difficult task. In this paper, Through the study and research of the original Scrapy framework, the original Scrapy framework is improved by combining Scrapy and Redis, a distributed crawler system based on Web information Scrapy framework is designed and implemented, and Bloom Filter algorithm is applied to dupefilter modul to reduce memory consumption. The movie information captured from douban is stored in MongoDB, so that the data can be processed and analyzed. The results show that distributed crawler system based on Scrapy framework is more efficient and stable than the single-machine web crawler system.

Medical image security using modified chaos-based cryptography approach

NASA Astrophysics Data System (ADS)

Talib Gatta, Methaq; Al-latief, Shahad Thamear Abd

2018-05-01

The progressive development in telecommunication and networking technologies have led to the increased popularity of telemedicine usage which involve storage and transfer of medical images and related information so security concern is emerged. This paper presents a method to provide the security to the medical images since its play a major role in people healthcare organizations. The main idea in this work based on the chaotic sequence in order to provide efficient encryption method that allows reconstructing the original image from the encrypted image with high quality and minimum distortion in its content and doesn’t effect in human treatment and diagnosing. Experimental results prove the efficiency of the proposed method using some of statistical measures and robust correlation between original image and decrypted image.

Comment on 'Quantum direct communication with authentication'

DOE Office of Scientific and Technical Information (OSTI.GOV)

Zhang, Zhan-jun; Key Laboratory of Optoelectronic Information Acquisition and Manipulation of Ministry of Education of China, School of Physics and Material Science, Anhui University, Hefei 230039; Liu, Jun

2007-02-15

Two protocols of quantum direct communication with authentication [Phys. Rev. A 73, 042305 (2006)] were recently proposed by Lee, Lim, and Yang. In this paper we will show that in the two protocols the authenticator Trent should be prevented from knowing the secret message. The first protocol can be eavesdropped on by Trent using the intercept-measure-resend attack, while the second protocol can be eavesdropped on by Trent using a simple single-qubit measurement. To fix these leaks, we revise the original versions of the protocols by using the Pauli Z operation {sigma}{sub z} instead of the original bit-flip operation X. Asmore » a consequence, the attacks we present can be prevented and accordingly the protocol securities are improved.« less

Threshold automatic selection hybrid phase unwrapping algorithm for digital holographic microscopy

NASA Astrophysics Data System (ADS)

Zhou, Meiling; Min, Junwei; Yao, Baoli; Yu, Xianghua; Lei, Ming; Yan, Shaohui; Yang, Yanlong; Dan, Dan

2015-01-01

Conventional quality-guided (QG) phase unwrapping algorithm is hard to be applied to digital holographic microscopy because of the long execution time. In this paper, we present a threshold automatic selection hybrid phase unwrapping algorithm that combines the existing QG algorithm and the flood-filled (FF) algorithm to solve this problem. The original wrapped phase map is divided into high- and low-quality sub-maps by selecting a threshold automatically, and then the FF and QG unwrapping algorithms are used in each level to unwrap the phase, respectively. The feasibility of the proposed method is proved by experimental results, and the execution speed is shown to be much faster than that of the original QG unwrapping algorithm.

Manipulation of the swirling flow instability in hydraulic turbine diffuser by different methods of water injection

NASA Astrophysics Data System (ADS)

Rudolf, Pavel; Litera, Jiří; Alejandro Ibarra Bolanos, Germán; Štefan, David

2018-06-01

Vortex rope, which induces substantial pressure pulsations, arises in the draft tube (diffuser) of Francis turbine for off-design operating conditions. Present paper focuses on mitigation of those pulsations using active water jet injection control. Several modifications of the original Susan-Resiga's idea were proposed. All modifications are driven by manipulation of the shear layer region, which is believed to play important role in swirling flow instability. While some of the methods provide results close to the original one, none of them works in such a wide range. Series of numerical experiments support the idea that the necessary condition for vortex rope pulsation mitigation is increasing the fluid momentum along the draft tube axis.

The Future of Engineering Education--Revisited

ERIC Educational Resources Information Center

Wankat, Phillip C.; Bullard, Lisa G.

2016-01-01

This paper revisits the landmark CEE series, "The Future of Engineering Education," published in 2000 (available free in the CEE archives on the internet) to examine the predictions made in the original paper as well as the tools and approaches documented. Most of the advice offered in the original series remains current. Despite new…

Class and University Education: Inter-Generational Patterns in Canada. NALL Working Paper.

ERIC Educational Resources Information Center

Livingstone, D. W.; Stowe, Susan

Young people from lower class origins continue to face major barriers to university education in Canada. This paper documents both substantial inter-generational class mobility and continuing inequalities in formal educational attainments by class origins. While Canada now has the world's higher educational attainments in its youth cohort and has…

The Origins and History of the Bobbs-Merrill Company. Occasional Papers Number 172.

ERIC Educational Resources Information Center

O'Bar, Jack

This history of the Bobbs-Merrill publishing company provides a chronological description of the personalities, activities, and events which influenced its development. Sections in the document include: Background and Origins; The Merger of 1885; The Fire and the Aftermath; Relocation; Sale of the Paper and "Notions" Trade; The New York…

75 FR 55067 - Energy Conservation Program: Test Procedures for Walk-In Coolers and Walk-In Freezers

Federal Register 2010, 2011, 2012, 2013, 2014

2010-09-09

..., 1000 Independence Avenue, SW., Washington, DC 20585-0121. Please submit one signed original paper copy... Program, 950 L'Enfant Plaza, 6th Floor, Washington, DC 20024. Please submit one signed original paper copy...: [email protected] . SUPPLEMENTARY INFORMATION: I. Authority and Background II. Summary of the...

75 FR 57556 - Energy Conservation Program for Consumer Products: Test Procedure for Residential Clothes Washers

Federal Register 2010, 2011, 2012, 2013, 2014

2010-09-21

... signed original paper copy. 4. Hand Delivery/Courier: Ms. Brenda Edwards, U.S. Department of Energy...) 586-2945. Please submit one signed original paper copy. For detailed instructions on submitting....Edwards @ee.doe.gov. SUPPLEMENTARY INFORMATION: Table of Contents I. Background and Legal Authority II...

75 FR 75289 - Energy Conservation Program for Consumer Products: Test Procedures for Residential Dishwashers...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-12-02

.... Please submit one signed paper original. 4. Hand Delivery/Courier: Ms. Brenda Edwards, U.S. Department of.... Telephone: (202) 586-2945. Please submit one signed paper original. For detailed instructions on submitting... INFORMATION: Table of Contents I. Background and Authority II. Summary of the Proposal III. Discussion A...

75 FR 42612 - Energy Conservation Program for Consumer Products: Test Procedure for Microwave Ovens

Federal Register 2010, 2011, 2012, 2013, 2014

2010-07-22

...., Washington, DC 20585-0121. Please submit one signed original paper copy. 4. Hand Delivery/Courier: Ms. Brenda... Plaza, SW., Washington, DC 20024. Telephone: (202) 586-2945. Please submit one signed original paper... . SUPPLEMENTARY INFORMATION: Table of Contents I. Background and Legal Authority II. Summary of the Proposal III...

TechTrends 2010-2015: A Content Analysis

ERIC Educational Resources Information Center

Stauffer, Eric

2017-01-01

This study is a content analysis of articles published within the journal "TechTrends" from 2000 to 2015. The study reveals that the publication "TechTrends" has increased the overall number of peer reviewed original papers over the last 6 years. The author describes the proportion of these original papers per volume and…

"Rule of Thumb Methods No Longer Suffice": Development of British Coal Industry Education and Training 1900-circa 1970 and Lessons for Present-Day Education Policy-Makers

ERIC Educational Resources Information Center

Walker, Martyn A.

2015-01-01

This paper traces the origins and development of coal mining education and training in Britain from 1900 to the 1970s, by which time the coal industry had substantially declined. It looks at the progress from working-class self-help to national policy in support of education and training. The research makes use of college prospectuses and…

Alert management for home healthcare based on home automation analysis.

PubMed

Truong, T T; de Lamotte, F; Diguet, J-Ph; Said-Hocine, F

2010-01-01

Rising healthcare for elder and disabled people can be controlled by offering people autonomy at home by means of information technology. In this paper, we present an original and sensorless alert management solution which performs multimedia and home automation service discrimination and extracts highly regular home activities as sensors for alert management. The results of simulation data, based on real context, allow us to evaluate our approach before application to real data.

Oral Manifestation of Autosomal Recessive Congenital Ichthyosis in a 2-Year-Old Patient

PubMed Central

Ramar, Kavitha; Annamalai, Sankar; Hariharavel, V. P.; Aravindhan, R.; Ganesh, C.; Ieshwaryah, K.

2014-01-01

Ichthyosis is a heterogeneous family of hereditary keratinisation disorders mostly characterized by variable erythema of the whole body and different scaling patterns. Although these disorders affect tissues of epidermal origin, there is little evidence regarding the oral and dental manifestations of Lamellar Ichthyosis. A case report of early childhood caries in lamellar ichthyosis is presented and the dental consideration and management is discussed in this paper. PMID:24995134

One-laser-based generation/detection of Brillouin dynamic grating and its application to distributed discrimination of strain and temperature.

PubMed

Zou, Weiwen; He, Zuyuan; Hotate, Kazuo

2011-01-31

This paper presents a novel scheme to generate and detect Brillouin dynamic grating in a polarization-maintaining optical fiber based on one laser source. Precise measurement of Brillouin dynamic grating spectrum is achieved benefiting from that the pump, probe and readout waves are coherently originated from the same laser source. Distributed discrimination of strain and temperature is also achieved with high accuracy.

Contesting History and Pursuing "Other" Knowledge: A Study of Hip-Hop and Non-Formal Education among Native American Youth in San Francisco and Black Portuguese Youth in Lisbon

ERIC Educational Resources Information Center

Tom, Miye Nadya

2016-01-01

This paper presents a broad-reaching effort to interrogate enduring colonial legacies as experienced by Native American youth in the United States of America and Black Portuguese youth of Cape Verdean origin in Portugal. As part of its methodological approach, it uses hip-hop--a cultural movement composed of four elements including rap music--to…