Can an employer-based health insurance system be just?

PubMed

Jecker, N S

1993-01-01

It is America's distinctive practice to tie private health insurance to employment, and recent proposals have tried to retain this link through mandating that all employers provide health insurance to their employees. My primary approach to these issues is neither economic, nor historical, nor political but ethical. After a brief historical overview, I outline a general approach to evaluating the ethical significance of linking the distributions of distinct goods. I examine whether an unjust distribution of jobs spoils justice in the distribution of health insurance, taking as a central example gender inequities in employment and exploring their impact on job-based health insurance. Second, I explore the possibility that justly awarding jobs guarantees justice in employment-sponsored insurance. However, linking the distributions of different goods remains problematic, because such links inevitably undermine equality by enabling the same individuals to enjoy advantages in many different distributive areas. Finally, I examine recent proposals to reform America's health care system by requiring all employers to provide health insurance to their employees. I argue that such proposals lend themselves to the same ethical problems that the current system does and urge greater attention to alternative reform options.

In Defense of Tradition: Religiosity, Conservatism, and Opposition to Same-Sex Marriage in North America

PubMed Central

van der Toorn, Jojanneke; Jost, John T.; Packer, Dominic J.; Noorbaloochi, Sharareh; Van Bavel, Jay J.

2017-01-01

Arguments opposing same-sex marriage are often made on religious grounds. In five studies conducted in the United States and Canada (combined N = 1,673), we observed that religious opposition to same-sex marriage was explained, at least in part, by conservative ideology and linked to sexual prejudice. In Studies 1 and 2, we discovered that the relationship between religiosity and opposition to same-sex marriage was mediated by explicit sexual prejudice. In Study 3, we saw that the mediating effect of sexual prejudice was linked to political conservatism. Finally, in Studies 4a and 4b we examined the ideological underpinnings of religious opposition to same-sex marriage in more detail by taking into account two distinct aspects of conservative ideology. Results revealed that resistance to change was more important than opposition to equality in explaining religious opposition to same-sex marriage. PMID:28918711

In Defense of Tradition: Religiosity, Conservatism, and Opposition to Same-Sex Marriage in North America.

PubMed

van der Toorn, Jojanneke; Jost, John T; Packer, Dominic J; Noorbaloochi, Sharareh; Van Bavel, Jay J

2017-10-01

Arguments opposing same-sex marriage are often made on religious grounds. In five studies conducted in the United States and Canada (combined N = 1,673), we observed that religious opposition to same-sex marriage was explained, at least in part, by conservative ideology and linked to sexual prejudice. In Studies 1 and 2, we discovered that the relationship between religiosity and opposition to same-sex marriage was mediated by explicit sexual prejudice. In Study 3, we saw that the mediating effect of sexual prejudice was linked to political conservatism. Finally, in Studies 4a and 4b we examined the ideological underpinnings of religious opposition to same-sex marriage in more detail by taking into account two distinct aspects of conservative ideology. Results revealed that resistance to change was more important than opposition to equality in explaining religious opposition to same-sex marriage.

Wishful thinking in the 2008 U.S. presidential election.

PubMed

Krizan, Zlatan; Miller, Jeffrey C; Johar, Omesh

2010-01-01

In elections, political preferences are strongly linked to the expectations of the electoral winner-people usually expect their favorite candidate to win. This link could be driven by wishful thinking (a biasing influence of preferences), driven by a biasing influence of expectations on one's wishes, or produced spuriously. To examine these competing possibilities in the 2008 U.S. presidential election, a longitudinal study assessed uncommitted young voters' electoral expectations and preferences over four time points during the month before the election. The findings indicated clear support for wishful thinking: Over time, people's preferences shaped their expectations, but the reverse was not the case. Moreover, these relations were larger among those more strongly identified with their political party and held even when perceptions of general candidate popularity were taken into account. Finally, changes in electoral expectations were consequential, as they shaped disappointment in the electoral results even after taking candidate preferences into account.

Wellbeing Impacts of City Policies for Reducing Greenhouse Gas Emissions

PubMed Central

Hiscock, Rosemary; Mudu, Pierpaolo; Braubach, Matthias; Martuzzi, Marco; Perez, Laura; Sabel, Clive

2014-01-01

To mitigate climate change, city authorities are developing policies in areas such as transportation, housing and energy use, to reduce greenhouse gas emissions. In addition to their effects on greenhouse gas emissions, these policies are likely to have consequences for the wellbeing of their populations for example through changes in opportunities to take physical exercise. In order to explore the potential consequences for wellbeing, we first explore what ‘wellbeing’ is and how it can be operationalized for urban planners. In this paper, we illustrate how wellbeing can be divided into objective and subjective aspects which can be measured quantitatively; our review of measures informs the development of a theoretical model linking wellbeing to policies which cities use to reduce greenhouse gas emissions. Finally, we discuss the extent to which the links proposed in the conceptual model are supported by the literature and how cities can assess wellbeing implications of policies. PMID:25464129

Mapping Argonaute and conventional RNA-binding protein interactions with RNA at single-nucleotide resolution using HITS-CLIP and CIMS analysis

PubMed Central

Moore, Michael; Zhang, Chaolin; Gantman, Emily Conn; Mele, Aldo; Darnell, Jennifer C.; Darnell, Robert B.

2014-01-01

Summary Identifying sites where RNA binding proteins (RNABPs) interact with target RNAs opens the door to understanding the vast complexity of RNA regulation. UV-crosslinking and immunoprecipitation (CLIP) is a transformative technology in which RNAs purified from in vivo cross-linked RNA-protein complexes are sequenced to reveal footprints of RNABP:RNA contacts. CLIP combined with high throughput sequencing (HITS-CLIP) is a generalizable strategy to produce transcriptome-wide RNA binding maps with higher accuracy and resolution than standard RNA immunoprecipitation (RIP) profiling or purely computational approaches. Applying CLIP to Argonaute proteins has expanded the utility of this approach to mapping binding sites for microRNAs and other small regulatory RNAs. Finally, recent advances in data analysis take advantage of crosslinked-induced mutation sites (CIMS) to refine RNA-binding maps to single-nucleotide resolution. Once IP conditions are established, HITS-CLIP takes approximately eight days to prepare RNA for sequencing. Established pipelines for data analysis, including for CIMS, take 3-4 days. PMID:24407355

Links between parental depression and longitudinal changes in youths’ neural sensitivity to rewards

PubMed Central

Fuligni, Andrew J.; Galván, Adriana; Lieberman, Matthew D.; Telzer, Eva H.

2016-01-01

Parental depression is a significant risk factor for adolescents’ engagement in risk taking. Yet the neural processes that mediate the link between parental depression and adolescents’ functioning remain unknown. Using a longitudinal functional magnetic resonance imaging design, we investigated how parental depression is associated with changes in adolescents’ neural reactivity to rewards during a risk-taking task, and how such changes in neural reactivity are associated with changes in risk-taking behavior. Greater parental depressive symptoms were associated with increases in their adolescent child’s risk taking and self-reported externalizing behavior over time. At the neural level, adolescents of parents with greater depressive symptoms showed longitudinal increases in the ventral striatum and dorsolateral prefrontal cortex to rewards during risk taking. Longitudinal increases in adolescents’ ventral striatum activation mediates the link between greater parental depression and increases in adolescents’ risk taking and externalizing behavior. These findings provide novel evidence that parental depression may contribute to changes in adolescents’ neural reactivity to rewards over time, which is associated with greater increases in their risk taking and externalizing behavior. PMID:27013103

Reliable and Persistent Identification of Linked Data Elements

NASA Astrophysics Data System (ADS)

Wood, David

Linked Data techniques rely upon common terminology in a manner similar to a relational database'vs reliance on a schema. Linked Data terminology anchors metadata descriptions and facilitates navigation of information. Common vocabularies ease the human, social tasks of understanding datasets sufficiently to construct queries and help to relate otherwise disparate datasets. Vocabulary terms must, when using the Resource Description Framework, be grounded in URIs. A current bestpractice on the World Wide Web is to serve vocabulary terms as Uniform Resource Locators (URLs) and present both human-readable and machine-readable representations to the public. Linked Data terminology published to theWorldWideWeb may be used by others without reference or notification to the publishing party. That presents a problem: Vocabulary publishers take on an implicit responsibility to maintain and publish their terms via the URLs originally assigned, regardless of the inconvenience such a responsibility may cause. Over the course of years, people change jobs, publishing organizations change Internet domain names, computers change IP addresses,systems administrators publish old material in new ways. Clearly, a mechanism is required to manageWeb-based vocabularies over a long term. This chapter places Linked Data vocabularies in context with the wider concepts of metadata in general and specifically metadata on the Web. Persistent identifier mechanisms are reviewed, with a particular emphasis on Persistent URLs, or PURLs. PURLs and PURL services are discussed in the context of Linked Data. Finally, historic weaknesses of PURLs are resolved by the introduction of a federation of PURL services to address needs specific to Linked Data.

Model updating in flexible-link multibody systems

NASA Astrophysics Data System (ADS)

Belotti, R.; Caneva, G.; Palomba, I.; Richiedei, D.; Trevisani, A.

2016-09-01

The dynamic response of flexible-link multibody systems (FLMSs) can be predicted through nonlinear models based on finite elements, to describe the coupling between rigid- body and elastic behaviour. Their accuracy should be as high as possible to synthesize controllers and observers. Model updating based on experimental measurements is hence necessary. By taking advantage of the experimental modal analysis, this work proposes a model updating procedure for FLMSs and applies it experimentally to a planar robot. Indeed, several peculiarities of the model of FLMS should be carefully tackled. On the one hand, nonlinear models of a FLMS should be linearized about static equilibrium configurations. On the other, the experimental mode shapes should be corrected to be consistent with the elastic displacements represented in the model, which are defined with respect to a fictitious moving reference (the equivalent rigid link system). Then, since rotational degrees of freedom are also represented in the model, interpolation of the experimental data should be performed to match the model displacement vector. Model updating has been finally cast as an optimization problem in the presence of bounds on the feasible values, by also adopting methods to improve the numerical conditioning and to compute meaningful updated inertial and elastic parameters.

Re-envisioning global agricultural trade: time for a paradigm shift to ensure food security and population health in low-income countries.

PubMed

Pirkle, Catherine M; Poliquin, Hélène; Sia, Drissa; Kouakou, Kouassi Joseph; Sagna, Tani

2015-03-01

In this commentary, we use examples from West Africa to highlight how the liberalization of global agricultural trade exacerbates population health inequalities by threatening the livelihoods and food security of communities in low-income settings. We highlight the exploitative nature of trade agreements with West African countries demonstrating how these agreements disincentivize local agricultural investment and take jobs away from small-scale farmers. Further, we link agricultural trade liberalization to increased food insecurity, malnutrition, and exposure to environmental contaminants. Finally, we propose a paradigm shift that advocates for food sovereignty and the right to food. © The Author(s) 2014.

Surface chemistry and microscopy of food powders

NASA Astrophysics Data System (ADS)

Burgain, Jennifer; Petit, Jeremy; Scher, Joël; Rasch, Ron; Bhandari, Bhesh; Gaiani, Claire

2017-12-01

Despite high industrial and scientific interest, a comprehensive review of the surface science of food powders is still lacking. There is a real gap between scientific concerns of the field and accessible reviews on the subject. The global description of the surface of food powders by multi-scale microscopy approaches seems to be essential in order to investigate their complexity and take advantage of their high innovation potential. Links between these techniques and the interest to develop a multi-analytical approach to investigate scientific questions dealing with powder functionality are discussed in the second part of the review. Finally, some techniques used in others fields and showing promising possibilities in the food powder domain will be highlighted.

IT Resources - Betty Petersen Memorial Library

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Available NOAA-wide. Note: This link takes you to a nonfederal website. Guide for usage Apress.com Free eBooks Free eBooks available through Apress publishers. Topics include PHP, Perl, and programming VB .Net . Note: This link takes you to a nonfederal website. Online Programming Books Free programming books

Properties of interaction networks underlying the minority game.

PubMed

Caridi, Inés

2014-11-01

The minority game is a well-known agent-based model with no explicit interaction among its agents. However, it is known that they interact through the global magnitudes of the model and through their strategies. In this work we have attempted to formalize the implicit interactions among minority game agents as if they were links on a complex network. We have defined the link between two agents by quantifying the similarity between them. This link definition is based on the information of the instance of the game (the set of strategies assigned to each agent at the beginning) without any dynamic information on the game and brings about a static, unweighed and undirected network. We have analyzed the structure of the resulting network for different parameters, such as the number of agents (N) and the agent's capacity to process information (m), always taking into account games with two strategies per agent. In the region of crowd effects of the model, the resulting networks structure is a small-world network, whereas in the region where the behavior of the minority game is the same as in a game of random decisions, networks become a random network of Erdos-Renyi. The transition between these two types of networks is slow, without any peculiar feature of the network in the region of the coordination among agents. Finally, we have studied the resulting static networks for the full strategy minority game model, a maximal instance of the minority game in which all possible agents take part in the game. We have explicitly calculated the degree distribution of the full strategy minority game network and, on the basis of this analytical result, we have estimated the degree distribution of the minority game network, which is in accordance with computational results.

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Mentalizing the body: spatial and social cognition in anosognosia for hemiplegia

PubMed Central

Besharati, Sahba; Forkel, Stephanie J.; Kopelman, Michael; Solms, Mark; Jenkinson, Paul M.

2016-01-01

Abstract Following right-hemisphere damage, a specific disorder of motor awareness can occur called anosognosia for hemiplegia, i.e. the denial of motor deficits contralateral to a brain lesion. The study of anosognosia can offer unique insights into the neurocognitive basis of awareness. Typically, however, awareness is assessed as a first person judgement and the ability of patients to think about their bodies in more ‘objective’ (third person) terms is not directly assessed. This may be important as right-hemisphere spatial abilities may underlie our ability to take third person perspectives. This possibility was assessed for the first time in the present study. We investigated third person perspective taking using both visuospatial and verbal tasks in right-hemisphere stroke patients with anosognosia ( n = 15) and without anosognosia ( n = 15), as well as neurologically healthy control subjects ( n = 15). The anosognosic group performed worse than both control groups when having to perform the tasks from a third versus a first person perspective. Individual analysis further revealed a classical dissociation between most anosognosic patients and control subjects in mental (but not visuospatial) third person perspective taking abilities. Finally, the severity of unawareness in anosognosia patients was correlated to greater impairments in such third person, mental perspective taking abilities (but not visuospatial perspective taking). In voxel-based lesion mapping we also identified the lesion sites linked with such deficits, including some brain areas previously associated with inhibition, perspective taking and mentalizing, such as the inferior and middle frontal gyri, as well as the supramarginal and superior temporal gyri. These results suggest that neurocognitive deficits in mental perspective taking may contribute to anosognosia and provide novel insights regarding the relation between self-awareness and social cognition. PMID:26811254

Loss aversion and 5HTT gene variants in adolescent anxiety.

PubMed

Ernst, Monique; Plate, Rista C; Carlisi, Christina O; Gorodetsky, Elena; Goldman, David; Pine, Daniel S

2014-04-01

Loss aversion, a well-documented behavioral phenomenon, characterizes decisions under risk in adult populations. As such, loss aversion may provide a reliable measure of risky behavior. Surprisingly, little is known about loss aversion in adolescents, a group who manifests risk-taking behavior, or in anxiety disorders, which are associated with risk-avoidance. Finally, loss aversion is expected to be modulated by genotype, particularly the serotonin transporter (SERT) gene variant, based on its role in anxiety and impulsivity. This genetic modulation may also differ between anxious and healthy adolescents, given their distinct propensities for risk taking. The present work examines the modulation of loss aversion, an index of risk-taking, and reaction-time to decision, an index of impulsivity, by the serotonin-transporter-gene-linked polymorphisms (5HTTLPR) in healthy and clinically anxious adolescents. Findings show that loss aversion (1) does manifest in adolescents, (2) does not differ between healthy and clinically anxious participants, and (3), when stratified by SERT genotype, identifies a subset of anxious adolescents who are high SERT-expressers, and show excessively low loss-aversion and high impulsivity. This last finding may serve as preliminary evidence for 5HTTLPR as a risk factor for the development of comorbid disorders associated with risk-taking and impulsivity in clinically anxious adolescents. Copyright © 2013 The Authors. Published by Elsevier Ltd.. All rights reserved.

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NOAA Photo Library - Search

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Health-beneficial nutraceuticals-myth or reality?

PubMed

Sauer, Sascha; Plauth, Annabell

2017-02-01

The modern term nutraceutical sounds extremely promising to the health-conscious consumers and to the broad audience. But what are the scientific foundations of this hybrid between nutrient and pharmaceutical? Still, most compelling evidence for potential health-beneficial effects of nutraceuticals seem to derive from descriptive and correlative epidemiological data. Here, we will take an inventory of the general concepts of research to assess the current plethora of health claims that were made for nutraceutical products. Thereby, we will discuss the limitations of current experimental approaches to advance in establishing mechanistic or causal links to the possible benefits of bioactive dietary molecules. Finally, we aim to provide perspectives to generate potential scientific evidence for the beneficial effects of nutraceuticals on human physiology.

NOAA Photo Library - National Severe Storms Laboratory Collection -

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NOAA Photo Library - National Estuarine Research Reserve System

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Individual differences in implicit learning abilities and impulsive behavior in the context of Internet addiction and Internet Gaming Disorder under the consideration of gender.

PubMed

Sariyska, Rayna; Lachmann, Bernd; Markett, Sebastian; Reuter, Martin; Montag, Christian

2017-06-01

•Higher Internet addiction scores were linked to deficient implicit learning.•This association was found in two independent groups of male (excessive) gamers.•Online Gaming addiction was linked to higher risk-taking in healthy participants.•Implicit learning and risk-taking were assessed, using an experimental task.

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78 FR 58189 - Designation of Areas for Air Quality Planning Purposes; California; Morongo Band of Mission Indians

Federal Register 2010, 2011, 2012, 2013, 2014

2013-09-23

...: Environmental Protection Agency (EPA). ACTION: Final rule. SUMMARY: EPA is taking final action to correct an... ozone. EPA is also taking final action to revise the boundaries of certain Southern California air...-2012-0936 for this action. The index to the docket is available electronically at www.regulations.gov...

Jealous love and morbid jealousy.

PubMed

Maggini, Carlo; Lundgren, Eva; Leuci, Emanuela

2006-12-01

Jealous love and morbid jealousy, although inextricably linked, cannot be considered the same: jealous love (trait jealousy) is the behavioral and cognitive-affective precondition of morbid jealousy (state jealousy). Love is jealous when it is devoured by the desire for the exclusive and total possession of the partner, whose unconditional and continued presence is avidly requested. This type of love, in addition, is permeated by the need to know what the other is thinking, in order to scrutinize every minimal flaw in the faithfulness of the partner even in his or her innermost thoughts and fantasies; in it, jealousy is virtually always present, even in the absence of a triggering event, because captative love, by its very nature, includes the expectation of a conflict which inevitably actually takes place in reality. Finally, jealousy emerges as an emotional event (jealous flash) in response to a more or less significant change in the behavior of the partner, and reveals to the jealous individual a dimension which was previously latent or inexistent. This intense and brief experience, leaves a more or less blurred memory behind, and tends to progressively repeat itself and take root as a feeling.

NOAA Photo Library - NOAA In Space Collection/Space Vehicles Album/Tiros

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NOAA Photo Library - NOAA In Space Collection/Satellite Systems/Polar and

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Economic inequality increases risk taking.

PubMed

Payne, B Keith; Brown-Iannuzzi, Jazmin L; Hannay, Jason W

2017-05-02

Rising income inequality is a global trend. Increased income inequality has been associated with higher rates of crime, greater consumer debt, and poorer health outcomes. The mechanisms linking inequality to poor outcomes among individuals are poorly understood. This research tested a behavioral account linking inequality to individual decision making. In three experiments ( n = 811), we found that higher inequality in the outcomes of an economic game led participants to take greater risks to try to achieve higher outcomes. This effect of unequal distributions on risk taking was driven by upward social comparisons. Next, we estimated economic risk taking in daily life using large-scale data from internet searches. Risk taking was higher in states with greater income inequality, an effect driven by inequality at the upper end of the income distribution. Results suggest that inequality may promote poor outcomes, in part, by increasing risky behavior.

Coupling of link- and node-ordering in the coevolving voter model.

PubMed

Toruniewska, J; Kułakowski, K; Suchecki, K; Hołyst, J A

2017-10-01

We consider the process of reaching the final state in the coevolving voter model. There is a coevolution of state dynamics, where a node can copy a state from a random neighbor with probabilty 1-p and link dynamics, where a node can rewire its link to another node of the same state with probability p. That exhibits an absorbing transition to a frozen phase above a critical value of rewiring probability. Our analytical and numerical studies show that in the active phase mean values of magnetization of nodes n and links m tend to the same value that depends on initial conditions. In a similar way mean degrees of spins up and spins down become equal. The system obeys a special statistical conservation law since a linear combination of both types magnetizations averaged over many realizations starting from the same initial conditions is a constant of motion: Λ≡(1-p)μm(t)+pn(t)=const., where μ is the mean node degree. The final mean magnetization of nodes and links in the active phase is proportional to Λ while the final density of active links is a square function of Λ. If the rewiring probability is above a critical value and the system separates into disconnected domains, then the values of nodes and links magnetizations are not the same and final mean degrees of spins up and spins down can be different.

Tick-Tock Goes the Croc: A High-Density EEG Study of Risk-Reactivity and Binge-Drinking.

PubMed

Kiat, John E; Cheadle, Jacob E

2018-05-31

Links between individual differences in risk processing and high-risk behaviors such as binge drinking have long been the focus of active research. However, investigations in this area almost exclusively utilize decision-making focused paradigms. This emphasis makes it difficult to assess links between risk behaviors and raw risk reactivity independent of decision and feedback processes. A deeper understanding of this association has the potential to shed light on the role of risk reactivity in high-risk behavior susceptibility. To contribute towards this aim, this study utilizes a popular risk-taking game, the crocodile dentist, to assess links between individual differences in decision-free risk-reactivity and reported binge drinking frequency levels. In this task, participants engage in a series of decision-free escalating risk responses. Risk-reactivity was assessed by measuring Late Positive Potential responses towards risk-taking action initiation cues using high-density 256-Channel EEG. The results indicate that, after controlling for overall alcohol consumption frequency, higher rates of reported binge drinking are associated with both increased general risk-taking responsivity and increased risk-reactivity escalation as a function of risk level. These findings highlight intriguing links between risk reactivity and binge drinking frequency, making key contributions in the areas of risk-taking and affective science.

[Problems of work world and its impact on health. Current financial crisis].

PubMed

Tomasina, Fernando

2012-06-01

Health and work are complex processes. Besides, they are multiple considering the forms they take. These two processes are linked to each other and they are influenced by each other. According to this, it is possible to establish that work world is extremely complex and heterogeneous. In this world, "old" or traditional risks coexist with "modern risks", derived from the new models of work organization and the incorporation of new technologies. Unemployment, work relationships precariousness and work risks outsourcing are results of neoliberal strategies. Some negative results of health-sickness process derived from transformation in work world and current global economic crisis have been noticed in current work conditions. Finally, the need for reconstructing policies focusing on this situation derived from work world is suggested.

Supercooled and glassy water: Metastable liquid(s), amorphous solid(s), and a no-man's land

NASA Astrophysics Data System (ADS)

Handle, Philip H.; Loerting, Thomas; Sciortino, Francesco

2017-12-01

We review the recent research on supercooled and glassy water, focusing on the possible origins of its complex behavior. We stress the central role played by the strong directionality of the water-water interaction and by the competition between local energy, local entropy, and local density. In this context we discuss the phenomenon of polyamorphism (i.e., the existence of more than one disordered solid state), emphasizing both the role of the preparation protocols and the transformation between the different disordered ices. Finally, we present the ongoing debate on the possibility of linking polyamorphism with a liquid-liquid transition that could take place in the no-man's land, the temperature-pressure window in which homogeneous nucleation prevents the investigation of water in its metastable liquid form.

Mechanics and statistics of the worm-like chain

NASA Astrophysics Data System (ADS)

Marantan, Andrew; Mahadevan, L.

2018-02-01

The worm-like chain model is a simple continuum model for the statistical mechanics of a flexible polymer subject to an external force. We offer a tutorial introduction to it using three approaches. First, we use a mesoscopic view, treating a long polymer (in two dimensions) as though it were made of many groups of correlated links or "clinks," allowing us to calculate its average extension as a function of the external force via scaling arguments. We then provide a standard statistical mechanics approach, obtaining the average extension by two different means: the equipartition theorem and the partition function. Finally, we work in a probabilistic framework, taking advantage of the Gaussian properties of the chain in the large-force limit to improve upon the previous calculations of the average extension.

Economic inequality increases risk taking

PubMed Central

Payne, B. Keith; Brown-Iannuzzi, Jazmin L.; Hannay, Jason W.

2017-01-01

Rising income inequality is a global trend. Increased income inequality has been associated with higher rates of crime, greater consumer debt, and poorer health outcomes. The mechanisms linking inequality to poor outcomes among individuals are poorly understood. This research tested a behavioral account linking inequality to individual decision making. In three experiments (n = 811), we found that higher inequality in the outcomes of an economic game led participants to take greater risks to try to achieve higher outcomes. This effect of unequal distributions on risk taking was driven by upward social comparisons. Next, we estimated economic risk taking in daily life using large-scale data from internet searches. Risk taking was higher in states with greater income inequality, an effect driven by inequality at the upper end of the income distribution. Results suggest that inequality may promote poor outcomes, in part, by increasing risky behavior. PMID:28416655

Calibration of Linked Hydrodynamic and Water Quality Model for Santa Margarita Lagoon

DTIC Science & Technology

2016-07-01

was used to drive the transport and water quality kinetics for the simulation of 2007–2009. The sand berm, which controlled the opening/closure of...TECHNICAL REPORT 3015 July 2016 Calibration of Linked Hydrodynamic and Water Quality Model for Santa Margarita Lagoon Final Report Pei...Linked Hydrodynamic and Water Quality Model for Santa Margarita Lagoon Final Report Pei-Fang Wang Chuck Katz Ripan Barua SSC Pacific James

Enhancing Technology Education by Forming Links with Industry: A New Zealand Case Study

ERIC Educational Resources Information Center

Brunton, Margaret; Coll, Richard K.

2005-01-01

The New Zealand technology curriculum suggests that schools should seek to develop links with industry as a means of providing real-world examples of technology practice. However, if a school is to form links, what form might such links take, and with whom should they be made? The case study research reported here represents an investigation into…

National Take-Back Initiative

MedlinePlus

... Disposal Information Drug and Chemical Information E-commerce Initiatives Federal Agencies & Related Links Federal Register Notices National ... Disposal Information Drug and Chemical Information E-commerce Initiatives Federal Agencies & Related Links Federal Register Notices National ...

SIMO optical wireless links with nonzero boresight pointing errors over M modeled turbulence channels

NASA Astrophysics Data System (ADS)

Varotsos, G. K.; Nistazakis, H. E.; Petkovic, M. I.; Djordjevic, G. T.; Tombras, G. S.

2017-11-01

Over the last years terrestrial free-space optical (FSO) communication systems have demonstrated an increasing scientific and commercial interest in response to the growing demands for ultra high bandwidth, cost-effective and secure wireless data transmissions. However, due the signal propagation through the atmosphere, the performance of such links depends strongly on the atmospheric conditions such as weather phenomena and turbulence effect. Additionally, their operation is affected significantly by the pointing errors effect which is caused by the misalignment of the optical beam between the transmitter and the receiver. In order to address this significant performance degradation, several statistical models have been proposed, while particular attention has been also given to diversity methods. Here, the turbulence-induced fading of the received optical signal irradiance is studied through the M (alaga) distribution, which is an accurate model suitable for weak to strong turbulence conditions and unifies most of the well-known, previously emerged models. Thus, taking into account the atmospheric turbulence conditions along with the pointing errors effect with nonzero boresight and the modulation technique that is used, we derive mathematical expressions for the estimation of the average bit error rate performance for SIMO FSO links. Finally, proper numerical results are given to verify our derived expressions and Monte Carlo simulations are also provided to further validate the accuracy of the analysis proposed and the obtained mathematical expressions.

78 FR 48161 - Proposed Consent Decree, Clean Air Act Citizen Suit

Federal Register 2010, 2011, 2012, 2013, 2014

2013-08-07

... further alleged that EPA had failed to take final action on the attainment demonstration, contingency... a notice taking final action on the attainment demonstration, contingency measures, emission....gov . You may use the www.regulations.gov to submit or view public comments, access the index listing...

Early follicular testosterone level predicts preference for masculinity in male faces - but not for women taking hormonal contraception.

PubMed

Bobst, Cora; Sauter, Sabine; Foppa, Andrina; Lobmaier, Janek S

2014-03-01

It has been shown that women's preference for masculinity in male faces changes across the menstrual cycle. Preference for masculinity is stronger when conception probability is high than when it is low. These findings have been linked to cyclic fluctuations of hormone levels. The purpose of the present study is to further investigate the link between gonadal steroids (i.e. testosterone, estradiol, and progesterone) and masculinity preference in women, while holding the cycle phase constant. Sixty-two female participants were tested in their early follicular cycle phase, when conception probability is low. Participants were shown face pairs and where asked to choose the more attractive face. Face pairs consisted of a masculinized and feminized version of the same face. For naturally cycling women we found a positive relationship between saliva testosterone levels and masculinity preference, but there was no link between any hormones and masculinity preference for women taking hormonal contraception. We conclude that in naturally cycling women early follicular testosterone levels are associated with masculinity preference. However, these hormonal links were not found for women with artificially modified hormonal levels, that is, for women taking hormonal contraception. Copyright © 2013 Elsevier Ltd. All rights reserved.

DefenseLink Special: Military Working Dogs

Science.gov Websites

DefenseLink.mil Aug. 04, 2015 War on Terror Transformation News Products Press Resources Images Websites Contact Terror War * Military Working Dogs, Handlers Train for Mission Success Working Roles * 'Dog Teams' Take

75 FR 7383 - Taking of Marine Mammals Incidental to Commercial Fishing Operations; Harbor Porpoise Take...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-02-19

.... 080721862-8864-01] RIN 0648-AW51 Taking of Marine Mammals Incidental to Commercial Fishing Operations; Harbor Porpoise Take Reduction Plan Regulations AGENCY: National Marine Fisheries Service (NMFS... this final rule to amend the regulations implementing the Harbor Porpoise Take Reduction Plan (HPTRP...

Using Perspective to Resolve Reference: The Impact of Cognitive Load and Motivation

ERIC Educational Resources Information Center

Cane, James E.; Ferguson, Heather J.; Apperly, Ian A.

2017-01-01

Research has demonstrated a link between perspective taking and working memory. Here we used eye tracking to examine the time course with which working memory load (WML) influences perspective-taking ability in a referential communication task and how motivation to take another's perspective modulates these effects. In Experiment 1, where there…

An Exploration of Note-Taking in an Online Calculus Course

ERIC Educational Resources Information Center

van de Sande, Carla; Abramson, Jay; Judson-Garcia, Julia

2017-01-01

Taking notes is a popular activity for students attending instructional lectures and has been linked to achievement. Research on note-taking has shown that the contents and usefulness of student notes depends on several factors, including the pace of the lecture and the presence of organizational and selection cues. However, this research has…

Supporting the Development of Risk-Taking Behaviours in the Early Years: An Exploratory Study

ERIC Educational Resources Information Center

Waters, Jane; Begley, Sharon

2007-01-01

Children's opportunities for independent play in natural outdoor spaces, and the associated opportunities to take and negotiate risk, are being eroded despite potential links between such play and the development of positive learning dispositions. This paper reports the findings of an exploratory study that documented the risk-taking behaviours…

Links Among Cognitive Empathy, Theory of Mind, and Affective Perspective Taking by Young Children.

PubMed

Bensalah, Leïla; Caillies, Stéphanie; Anduze, Marion

2016-01-01

The authors investigated the development of the affective, cognitive, and behavioral components of empathy in preschoolers, specifically examining how cognitive empathy is linked to theory of mind and affective perspective taking. Participants were 158 children aged 4-6 years. They listened to narratives and then answered questions about the protagonists' emotions. The affective component was probed with the question, "How do you feel seeing the little girl/boy?"; the cognitive component with the question, "Why do you feel [emotion shared with the character]?"; and the behavioral one with the question, "What would you do if you were next to the little boy/girl [experiencing an emotional scenario]?" Results revealed a developmental sequence in the self-focused attribution of cognitive empathy, and a trend toward a developmental sequence for behavioral empathy, which underwent a slight linear increase between 4 and 6 years old. Affective empathy remained stable. More interestingly, they showed that cognitive empathy is linked to both theory of mind and affective perspective taking.

Reframing school dropout as a public health issue.

PubMed

Freudenberg, Nicholas; Ruglis, Jessica

2007-10-01

Good education predicts good health, and disparities in health and in educational achievement are closely linked. Despite these connections, public health professionals rarely make reducing the number of students who drop out of school a priority, although nearly one-third of all students in the United States and half of black, Latino, and American Indian students do not graduate from high school on time. In this article, we summarize knowledge on the health benefits of high school graduation and discuss the pathways by which graduating from high school contributes to good health. We examine strategies for reducing school dropout rates with a focus on interventions that improve school completion rates by improving students' health. Finally, we recommend actions health professionals can take to reframe the school dropout rate as a public health issue and to improve school completion rates in the United States.

Supercooled and glassy water: Metastable liquid(s), amorphous solid(s), and a no-man’s land

PubMed Central

Handle, Philip H.; Sciortino, Francesco

2017-01-01

We review the recent research on supercooled and glassy water, focusing on the possible origins of its complex behavior. We stress the central role played by the strong directionality of the water–water interaction and by the competition between local energy, local entropy, and local density. In this context we discuss the phenomenon of polyamorphism (i.e., the existence of more than one disordered solid state), emphasizing both the role of the preparation protocols and the transformation between the different disordered ices. Finally, we present the ongoing debate on the possibility of linking polyamorphism with a liquid–liquid transition that could take place in the no-man’s land, the temperature–pressure window in which homogeneous nucleation prevents the investigation of water in its metastable liquid form. PMID:29133419

Detecting self-ion irradiation-induced void swelling in pure copper using transient grating spectroscopy

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

Dennett, C. A.; So, K. P.; Kushima, A.

Irradiation-induced void swelling remains a major challenge to nuclear reactor operation. Swelling may take years to initiate and often results in rapid material property degradation once started. Alloy development for advanced nuclear systems will require rapid characterization of the swelling breakaway dose in new alloys, yet this capability does not yet exist. In this paper, we demonstrate that transient grating spectroscopy (TGS) can detect void swelling in single crystal copper via changes in surface acoustic wave (SAW) velocity. Scanning transmission electron microscopy (STEM) links the TGS-observed changes with void swelling-induced microstructural evolution. Finally, these results are considered in the contextmore » of previous work to suggest that in situ TGS will be able to rapidly determine when new bulk materials begin void swelling, shortening alloy development and testing times.« less

Detecting self-ion irradiation-induced void swelling in pure copper using transient grating spectroscopy

DOE PAGES

Dennett, C. A.; So, K. P.; Kushima, A.; ...

2017-12-20

Irradiation-induced void swelling remains a major challenge to nuclear reactor operation. Swelling may take years to initiate and often results in rapid material property degradation once started. Alloy development for advanced nuclear systems will require rapid characterization of the swelling breakaway dose in new alloys, yet this capability does not yet exist. In this paper, we demonstrate that transient grating spectroscopy (TGS) can detect void swelling in single crystal copper via changes in surface acoustic wave (SAW) velocity. Scanning transmission electron microscopy (STEM) links the TGS-observed changes with void swelling-induced microstructural evolution. Finally, these results are considered in the contextmore » of previous work to suggest that in situ TGS will be able to rapidly determine when new bulk materials begin void swelling, shortening alloy development and testing times.« less

Memory, reasoning, and categorization: parallels and common mechanisms

PubMed Central

Hayes, Brett K.; Heit, Evan; Rotello, Caren M.

2014-01-01

Traditionally, memory, reasoning, and categorization have been treated as separate components of human cognition. We challenge this distinction, arguing that there is broad scope for crossover between the methods and theories developed for each task. The links between memory and reasoning are illustrated in a review of two lines of research. The first takes theoretical ideas (two-process accounts) and methodological tools (signal detection analysis, receiver operating characteristic curves) from memory research and applies them to important issues in reasoning research: relations between induction and deduction, and the belief bias effect. The second line of research introduces a task in which subjects make either memory or reasoning judgments for the same set of stimuli. Other than broader generalization for reasoning than memory, the results were similar for the two tasks, across a variety of experimental stimuli and manipulations. It was possible to simultaneously explain performance on both tasks within a single cognitive architecture, based on exemplar-based comparisons of similarity. The final sections explore evidence for empirical and processing links between inductive reasoning and categorization and between categorization and recognition. An important implication is that progress in all three of these fields will be expedited by further investigation of the many commonalities between these tasks. PMID:24987380

Memory, reasoning, and categorization: parallels and common mechanisms.

PubMed

Hayes, Brett K; Heit, Evan; Rotello, Caren M

2014-01-01

Traditionally, memory, reasoning, and categorization have been treated as separate components of human cognition. We challenge this distinction, arguing that there is broad scope for crossover between the methods and theories developed for each task. The links between memory and reasoning are illustrated in a review of two lines of research. The first takes theoretical ideas (two-process accounts) and methodological tools (signal detection analysis, receiver operating characteristic curves) from memory research and applies them to important issues in reasoning research: relations between induction and deduction, and the belief bias effect. The second line of research introduces a task in which subjects make either memory or reasoning judgments for the same set of stimuli. Other than broader generalization for reasoning than memory, the results were similar for the two tasks, across a variety of experimental stimuli and manipulations. It was possible to simultaneously explain performance on both tasks within a single cognitive architecture, based on exemplar-based comparisons of similarity. The final sections explore evidence for empirical and processing links between inductive reasoning and categorization and between categorization and recognition. An important implication is that progress in all three of these fields will be expedited by further investigation of the many commonalities between these tasks.

Design and Development of a Virtual Facility Tour Using iPIX(TM) Technology

NASA Technical Reports Server (NTRS)

Farley, Douglas L.

2002-01-01

The capabilities of the iPIX virtual tour software, in conjunction with a web-based interface create a unique and valuable system that provides users with an efficient virtual capability to tour facilities while being able to acquire the necessary technical content is demonstrated. A users guide to the Mechanics and Durability Branch's virtual tour is presented. The guide provides the user with instruction on operating both scripted and unscripted tours as well as a discussion of the tours for Buildings 1148, 1205 and 1256 and NASA Langley Research Center. Furthermore, an indepth discussion has been presented on how to develop a virtual tour using the iPIX software interface with conventional html and JavaScript. The main aspects for discussion are on network and computing issues associated with using this capability. A discussion of how to take the iPIX pictures, manipulate them and bond them together to form hemispherical images is also presented. Linking of images with additional multimedia content is discussed. Finally, a method to integrate the iPIX software with conventional HTML and JavaScript to facilitate linking with multi-media is presented.

The use of moral dilemmas for teaching agricultural engineers.

PubMed

Lozano, J Félix; Palau-Salvador, Guillermo; Gozálvez, Vincent; Boni, Alejandra

2006-04-01

Agricultural engineers' jobs are especially related to sustainability and earth life issues. They usually work with plants or animals, and the aim of their work is often linked to producing food to allow people to improve their quality of life. Taking into account this dual function, the moral requirements of their day-to-day professional practice are arguably greater than those of other professions. Agricultural engineers can develop their ability to live up to this professional responsibility by receiving ethical training during their university studies, not only by taking courses specifically devoted to ethics, but also by having to deal with moral questions that are integrated into their technical courses through a program of Ethics Across the Curriculum (EAC). The authors feel that a suitable pedagogical technique for achieving this goal is the use of moral dilemmas, following Kohlberg's theory of levels of morality (1981), with the final objective of attaining a post-conventional level. This paper examines the possibilities and limitations of using moral dilemmas as a pedagogical technique for training agricultural engineers. The cases, discussions, and evaluation used in the Agricultural Engineering Department of the Technical University of Valencia (Spain) are also presented.

Unconscious processing of emotions and the right hemisphere.

PubMed

Gainotti, Guido

2012-01-01

This survey takes into account the unconscious aspects of emotions and the critical role played in them by the right hemisphere, considering different acceptations of the term 'unconscious'. In a preliminary step, the nature of emotions, their componential and hierarchical organization and the relationships between emotions and hemispheric specialization are shortly discussed, then different aspects of emotions are surveyed: first are reviewed studies dealing with the unconscious processing of emotional information, taking separately into account various lines of research. All these studies suggest that unconscious processing of emotional information is mainly subsumed by a right hemisphere subcortical route, through which emotional stimuli quickly reach the amygdala. We afterwards inquire if a right hemisphere dominance can also be observed in automatic emotional action schemata and if 'non-removed preverbal implicit memories' also have a preferential link with the right hemisphere. Finally, we try to evaluate if the right hemisphere may also play a critical role in dynamic unconscious phenomena, such as anosognosia/denial of hemiplegia in patients with unilateral brain lesions. In the last part of the review, the reasons that could subsume the right hemisphere dominance for unconscious emotions are shortly discussed. Copyright © 2011 Elsevier Ltd. All rights reserved.

Pulmonary thromboembolic disease. Clinical management of acute and chronic disease.

PubMed

Torbicki, Adam

2010-07-01

Pulmonary thromboembolism falls between the areas of pulmonology and cardiology, internal medicine and intensive care, radiology and nuclear medicine, and hematology and cardiothoracic surgery. Depending on their clinical background, physicians faced with a patient with a pulmonary thromboembolism may speak different languages and adopt different treatment approaches. Now, however, there is an opportunity to end the Tower of Babel surrounding pulmonary thromboembolism. There is a growing acknowledgement that the key clinical problems in both acute pulmonary embolism and chronic thromboembolic pulmonary hypertension are linked to right ventricular pressure overload and right ventricular failure. As a result, cardiologists and cardiac intensive care specialists are taking an increasing interest in understanding and combating these conditions. The European Society of Cardiology was the first to elaborate comprehensive clinical practice guidelines for pulmonary thromboembolism and chronic thromboembolic pulmonary hypertension. The task forces involved in producing these guidelines included radiologists, pulmonologists, hematologists, intensive care physicians and surgeons, which ensured that the final document was universally acceptable. The aim of this article was to provide an overview of the epidemiology, risk factors, diagnosis, treatment, prognosis and prevention of acute pulmonary thromboembolism and chronic thromboembolic pulmonary hypertension, while taking into account European Society of Cardiology guidelines and incorporating new evidence where necessary.

Optimization and resilience of complex supply-demand networks

NASA Astrophysics Data System (ADS)

Zhang, Si-Ping; Huang, Zi-Gang; Dong, Jia-Qi; Eisenberg, Daniel; Seager, Thomas P.; Lai, Ying-Cheng

2015-06-01

Supply-demand processes take place on a large variety of real-world networked systems ranging from power grids and the internet to social networking and urban systems. In a modern infrastructure, supply-demand systems are constantly expanding, leading to constant increase in load requirement for resources and consequently, to problems such as low efficiency, resource scarcity, and partial system failures. Under certain conditions global catastrophe on the scale of the whole system can occur through the dynamical process of cascading failures. We investigate optimization and resilience of time-varying supply-demand systems by constructing network models of such systems, where resources are transported from the supplier sites to users through various links. Here by optimization we mean minimization of the maximum load on links, and system resilience can be characterized using the cascading failure size of users who fail to connect with suppliers. We consider two representative classes of supply schemes: load driven supply and fix fraction supply. Our findings are: (1) optimized systems are more robust since relatively smaller cascading failures occur when triggered by external perturbation to the links; (2) a large fraction of links can be free of load if resources are directed to transport through the shortest paths; (3) redundant links in the performance of the system can help to reroute the traffic but may undesirably transmit and enlarge the failure size of the system; (4) the patterns of cascading failures depend strongly upon the capacity of links; (5) the specific location of the trigger determines the specific route of cascading failure, but has little effect on the final cascading size; (6) system expansion typically reduces the efficiency; and (7) when the locations of the suppliers are optimized over a long expanding period, fewer suppliers are required. These results hold for heterogeneous networks in general, providing insights into designing optimal and resilient complex supply-demand systems that expand constantly in time.

Higher Education and International Capacity Building: Twenty Five Years of Higher Education Links

ERIC Educational Resources Information Center

Stephens, David, Ed.

2009-01-01

For the past 25 years UK Higher Education institutions have forged research and teaching partnerships with their counterparts overseas. Many of these links were funded by the British Government and managed by the British Council's Higher Education Links Scheme. This book takes an informed and critical look at issues and trends in global higher…

76 FR 53057 - Change to the Reporting Date for Certain Data Elements Required Under the Mandatory Reporting of...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-08-25

..., blast furnaces, basic oxygen process furnace shops. Lead Production 331419 Primary lead smelting and.... Chapter 5, generally provides that rules may not take effect earlier than 30 days after they are published... behavior and prepare before the final rule takes effect. Because this final rule defers a reporting...

76 FR 16534 - Hazardous Waste Management System Identification and Listing of Hazardous Waste; Final Exclusion

Federal Register 2010, 2011, 2012, 2013, 2014

2011-03-24

... issued exclusion from taking effect in the State until the State approves the exclusion through a..., this final rule does not have federalism implications. It will not have substantial direct effects on... provides that before a rule may take effect, the agency promulgating the rule must submit a rule report...

Communicacion Expresiva: Como los ninos nos envian mensajes [and] Comunicacion Receptiva: Como los ninos entienden nuestros mensajes [and] Interacciones de Comunicacion: Hacen falta dos. Hojas informativa de DB-LINK (Communication Interactions: It Takes Two [and] Receptive Communication: How Children Understand Your Messages to Them [and] Expressive Communication: How Children Send Their Messages to You. DB-LINK Fact Sheets).

ERIC Educational Resources Information Center

Stremel, Kathleen

This document consists of three separately published fact sheets combined here because of the close relationship of their subject matter. The first fact sheet, "Communication Interactions: It Takes Two" (Kathleen Stremel), defines communication; suggests ways to find opportunities for interactive communication; offers specific suggestions for…

New model helps find missing link between financial and clinical health care management.

PubMed

Dasso, E; Wilson, T

2001-01-01

U.S. health care is missing a link between the financial managers and clinical health managers of defined patient populations. Utilization and cost management try to bridge the gap by focusing on restricted access to care or tightly managed provider reimbursement to control costs. But frequently, they do not take clinical outcomes or health status into consideration. Take a look at another method based on the science of epidemiology that brings a more balanced knowledge of the clinical world to financial managers and more financial insight to clinicians.

Spectrographs for astrophotonics.

PubMed

Blind, N; Le Coarer, E; Kern, P; Gousset, S

2017-10-30

The next generation of extremely large telescopes (ELT), with diameters up to 39 meters, is planned to begin operation in the next decade and promises new challenges in the development of instruments since the instrument size increases in proportion to the telescope diameter D, and the cost as D 2 or faster. The growing field of astrophotonics (the use of photonic technologies in astronomy) could solve this problem by allowing mass production of fully integrated and robust instruments combining various optical functions, with the potential to reduce the size, complexity and cost of instruments. Astrophotonics allows for a broad range of new optical functions, with applications ranging from sky background filtering, high spatial and spectral resolution imaging and spectroscopy. In this paper, we want to provide astronomers with valuable keys to understand how photonics solutions can be implemented (or not) according to the foreseen applications. The paper introduces first key concepts linked to the characteristics of photonics technologies, placed in the framework of astronomy and spectroscopy. We then describe a series of merit criteria that help us determine the potential of a given micro-spectrograph technology for astronomy applications, and then take an inventory of the recent developments in integrated micro-spectrographs with potential for astronomy. We finally compare their performance, to finally draw a map of typical science requirements and pin the identified integrated technologies on it. We finally emphasize the necessary developments that must support micro-spectrograph in the coming years.

Controller evaluation of initial data link terminal air traffic control services : final report

DOT National Transportation Integrated Search

1991-01-01

This document details the results the first Federal Aviation Administration : Technical Center investigation of the initial terminal air traffic control : services developed for transmission using Data Link technology. Initial Data : Link services we...

[Equipment qualification].

PubMed

Le Vacon, F

2005-06-01

The qualification of the equipment is a particularly important stage in the transfusional process. On the one hand, of many standards such as those of certification or that of accreditation require it, just as the good transfusional practices; in addition, the practices of steps of quality assurance develop this aspect. Indeed, the absence of the realization of this qualification of material having an influence on the finished product, can lead to an error in the product. This qualification passes by various stages of which some are major such as the drafting of the schedule of conditions, the drafting of the operational protocol of qualification, the decision made for the setting in routine. Finally so that this qualification takes all its dimensions it is necessary to carry out methods linked to the international system of measurement. Moreover certain questions after reflexions must find response such as which unit to check, and only this one, the equipment is - it a complex one, is there a maintenance contract? Once all these elements taken into account, the questions having found their answer, the operational protocol will then well be built, the decisions of settings in routine could be done and the sets of the finalized stages.

Data Link Performance Analysis for LVLASO Experiments

NASA Technical Reports Server (NTRS)

Mukkamala, Ravi

1998-01-01

Low-visibility Landing and Surface Operations System (LVLASO) is currently being prototyped and tested at NASA Langley Research Center. Since the main objective of the system is to maintain the aircraft landings and take-offs even during low-visibility conditions, timely exchange of positional and other information between the aircraft and the ground control is critical. For safety and reliability reasons, there are several redundant sources on the ground (e.g., ASDE, AMASS) that collect and disseminate information about the environment to the aircrafts. The data link subsystem of LVLASO is responsible for supporting the timely transfer of information between the aircrafts and the ground controllers. In fact, if not properly designed, the data link subsystem could become a bottleneck in the proper functioning of LVLASO. Currently, the other components of the system are being designed assuming that the data link has adequate capacity and is capable of delivering the information in a timely manner. During August 1-28, 1997, several flight experiments were conducted to test the prototypes of subsystems developed under LVLASO project, The back-round and details of the tests are described in the next section. The test results have been collected in two CDs by FAA and Rockwell-Collins. Under the current grant, we have analyzed the data and evaluated the performance of the Mode S datalink. In this report, we summarize the results of our analysis. Much of the results are shown in terms of graphs or histograms. The test date (or experiment number) was often taken as the X-axis and the Y-axis denotes whatever metric of focus in that chart. In interpreting these charts, one need to take into account the vehicular traffic during a particular experiment. In general, the performance of the data link was found to be quite satisfactory in terms of delivering long and short Mode S squitters from the vehicles to the ground receiver, Similarly, its performance in delivering control messages from the ground control to the vehicles (aircrafts) was also satisfactory. The report is organized as follows. In Section 2, we describe the background information for the LVLASO and the system flight experiments. Section 3 contains formats of the performance data that was analyzed during our research. Section 4 describes different experiments flight experiments and their setup. Section 5 analyzes each of the graphs produced in this report. Finally, Section 6 has a summary of observations that we make based on our research.

Linked Learning: Can Career and Technical Education Programs Take California High Schools into the 21st Century?

ERIC Educational Resources Information Center

Adams, Brian Edward

2012-01-01

This qualitative study explored the ability of a linked learning career and technical education program to engage fully students and thereby increase at-risk students' persistence in school. The focus was to identify the degree to which linked learning career and technical education programs provide a community atmosphere, increase and maintained…

Post-It Notes Art: Area and Perimeter

ERIC Educational Resources Information Center

Bittman, Erin; Moomaw, Sally

2017-01-01

Members of a third-grade class were involved in a heated discussion. They were using a fixed number of links to create fences for toy cows. The children could change the shape of the field produced by the links, but they could not add any links or take any away. Understanding the relationship between perimeter and area is a difficult concept for…

ECO TECH LINK: PT3 Grant Builds Technology Circles in the K-18 Community.

ERIC Educational Resources Information Center

Klinger, Katie; Duckett, Jane; Medrano, Maria; Crow, Nedra; Stowers, Gwen

Through the vehicle of the PT3 grant program, ECO TECH LINK has built a strong consortium to support technology circles of government, education and business in order to raise student achievement scores, shorten the time it takes to earn a teaching credential, and enhance the quality of teacher credential courses. The ECO TECH LINK grant enables…

NOAA Photo Library - Meet the Photographers/CDR Emily B. Christman

Science.gov Websites

Collections page. Takes you to the search page. Takes you to the Links page. Meet the Photographers Meet the masters license and an environmental policy masters degree from the University of Maryland. She currently

Digital optical feeder links system for broadband geostationary satellite

NASA Astrophysics Data System (ADS)

Poulenard, Sylvain; Mège, Alexandre; Fuchs, Christian; Perlot, Nicolas; Riedi, Jerome; Perdigues, Josep

2017-02-01

An optical link based on a multiplex of wavelengths at 1.55μm is foreseen to be a valuable solution for the feeder link of the next generation of high-throughput geostationary satellite. The main satellite operator specifications for such link are an availability of 99.9% over the year, a capacity around 500Gbit/s and to be bent-pipe. Optical ground station networks connected to Terabit/s terrestrial fibers are proposed. The availability of the optical feeder link is simulated over 5 years based on a state-of-the-art cloud mask data bank and an atmospheric turbulence strength model. Yearly and seasonal optical feeder link availabilities are derived and discussed. On-ground and on-board terminals are designed to be compliant with 10Gbit/s per optical channel data rate taking into account adaptive optic systems to mitigate the impact of atmospheric turbulences on single-mode optical fiber receivers. The forward and return transmission chains, concept and implementation, are described. These are based on a digital transparent on-off keying optical link with digitalization of the DVB-S2 and DVB-RCS signals prior to the transmission, and a forward error correcting code. In addition, the satellite architecture is described taking into account optical and radiofrequency payloads as well as their interfaces.

78 FR 71903 - 2013 Revisions to the Greenhouse Gas Reporting Rule and Final Confidentiality Determinations for...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-11-29

... companies, sinter plants, blast furnaces, basic oxygen process furnace shops. Lead Production 331419 Primary... Act (APA), 5 U.S.C. Chapter 5, generally provides that rules may not take effect earlier than 30 days... adjust their behavior and prepare before the final rule takes effect. To employ the 5 U.S.C. 553(d)(3...

75 FR 55842 - Self-Regulatory Organizations; Financial Industry Regulatory Authority; Order Granting Approval...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-09-14

... specified in the proposed rule: i. Clarify the time frames within which members must take action to effect... a final decision of a FINRA officer or the UPC Committee under NASD Rule 11890 (Clearly Erroneous... refusal by a member to take action necessary to effectuate a final decision of a FINRA officer or the UPC...

21 CFR 10.45 - Court review of final administrative action; exhaustion of administrative remedies.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 12. (b) A request that the Commissioner take or refrain from taking any form of administrative action... review of final agency action; and (iii) It is not appropriate to move to dismiss a suit for... that it is an unconsented suit against the United States if the defect could be cured by amending the...

21 CFR 10.45 - Court review of final administrative action; exhaustion of administrative remedies.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 12. (b) A request that the Commissioner take or refrain from taking any form of administrative action... review of final agency action; and (iii) It is not appropriate to move to dismiss a suit for... that it is an unconsented suit against the United States if the defect could be cured by amending the...

21 CFR 10.45 - Court review of final administrative action; exhaustion of administrative remedies.

Code of Federal Regulations, 2013 CFR

2013-04-01

... 12. (b) A request that the Commissioner take or refrain from taking any form of administrative action... review of final agency action; and (iii) It is not appropriate to move to dismiss a suit for... that it is an unconsented suit against the United States if the defect could be cured by amending the...

21 CFR 10.45 - Court review of final administrative action; exhaustion of administrative remedies.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 12. (b) A request that the Commissioner take or refrain from taking any form of administrative action... review of final agency action; and (iii) It is not appropriate to move to dismiss a suit for... that it is an unconsented suit against the United States if the defect could be cured by amending the...

Navigating Windows into Past Human Minds: A Framework of Shifting Selves in Historical Perspective Taking

ERIC Educational Resources Information Center

Nilsen, Adam P.

2016-01-01

This article presents a framework for understanding historical perspective taking (HPT), the effort to use historical material to explore the internal states of past people. It addresses gaps in HPT research by (a) linking HPT to theories and research from the social science disciplines on perspective taking and the self and (b) proposing a way to…

Bidirectional associations between alcohol use and sexual risk-taking behavior from adolescence into young adulthood.

PubMed

O'Hara, Ross E; Cooper, M Lynne

2015-05-01

Overwhelming evidence indicates that sexual risk-taking behavior and alcohol use are linked, but the nature, strength, and timing of these relations may differ between gender and racial subgroups. These issues were addressed by examining the course and interrelations of both behaviors from adolescence into young adulthood, as well as how these patterns differed between both men and women and between Blacks and Whites. Data came from a representative, community-based sample of 1867 urban participants surveyed up to 5 times over a 15-year period. Although both prospective and trajectory analyses showed that adolescent involvement in one behavior predicted later involvement in the other, most patterns were moderated by gender, race, or both. In general, positive, bidirectional associations were discovered among men and Whites. Among women, adolescent sexual risk-taking behavior positively predicted later drinking, but not vice versa. For Blacks, adolescent alcohol use was inconsistently related to later sexual risk-taking behavior, and adolescent sexual risk-taking negatively predicted later alcohol use. Results suggest that associations between sexual risk-taking behavior and alcohol use are more complex than previously thought and that an adequate understanding of these links must account for both gender and racial differences.

Bidirectional Associations Between Alcohol Use and Sexual Risk-taking Behavior from Adolescence into Young Adulthood

PubMed Central

O’Hara, Ross E.; Cooper, M. Lynne

2015-01-01

Overwhelming evidence indicates that sexual risk-taking behavior and alcohol use are linked, but the nature, strength, and timing of these relations may differ between gender and racial subgroups. These issues were addressed by examining the course and interrelations of both behaviors from adolescence into young adulthood, as well as how these patterns differed between both men and women and between Blacks and Whites. Data came from a representative, community-based sample of 1867 urban participants surveyed up to 5 times over a 15-year period. Although both prospective and trajectory analyses showed that adolescent involvement in one behavior predicted later involvement in the other, most patterns were moderated by gender, race, or both. In general, positive, bidirectional associations were discovered among men and Whites. Among women, adolescent sexual risk-taking behavior positively predicted later drinking, but not vice versa. For Blacks, adolescent alcohol use was inconsistently related to later sexual risk-taking behavior, and adolescent sexual risk-taking negatively predicted later alcohol use. Results suggest that associations between sexual risk-taking behavior and alcohol use are more complex than previously thought and that an adequate understanding of these links must account for both gender and racial differences. PMID:25808720

Design of a video teleconference facility for a synchronous satellite communications link

NASA Technical Reports Server (NTRS)

Richardson, M. D.

1979-01-01

The system requirements, design tradeoffs, and final design of a video teleconference facility are discussed, including proper lighting, graphics transmission, and picture aesthetics. Methods currently accepted in the television broadcast industry are used in the design. The unique problems associated with using an audio channel with a synchronous satellite communications link are discussed, and a final audio system design is presented.

Ergonomic Redesign of an Industrial Control Panel.

PubMed

Raeisi, S; Osqueizadeh, R; Maghsoudipour, M; Jafarpisheh, A S

2016-07-01

Operator's role in industrial control centers takes place in time, which is one of the most important determinants of whether an expected action is going to be successful or not. In certain situations, due to the complex nature of the work, the existing interfaces and already prepared procedures do not meet the dynamic requirements of operator's cognitive demands, making the control tasks unnecessarily difficult. This study was conducted to identify ergonomic issues with a specific industrial control panel, and redesign its layout and elements to enhance its usability. Task and link analysis methodologies were implemented. All essential functions and supporting operations were identified at the required trivial levels. Next, the weight of any possible link between the elements of the panel was computed as a composite index of frequency and importance. Finally, all components were rearranged within a new layout, and a computerized mockup was generated. A total of 8 primary tasks was identified, including 4 system failure handling tasks, switching between manual and automated modes, and 3 types of routine vigilance and control tasks. These tasks were broken down into 28 functions and 145 supporting operations, accordingly. Higher link values were observed between hand rest position and 2 elements. Also, 6 other components showed robust linkages. In conclusion, computer modeling can reduce the likelihood of accidents and near misses in industrial control rooms by considering the operators' misperception or mental burden and correcting poor design of the panels and inappropriate task allocation.

Brazil-Africa geological links

NASA Astrophysics Data System (ADS)

Torquato, Joaquim Raul; Cordani, Umberto G.

1981-04-01

In this work, the main evidence and conclusions regarding geological links between Brazil and Africa are summarized, with emphasis on the geochronological aspects. Taking into account the geographical position, as well as the similarities in the geochronological pattern, the following main provinces of the two continents are correlated: The Imataca and Falawatra complexes in the Guayana Shield and the Liberian Province of West Africa. The Paraguay-Araguaia and the Rockelide Fold Belts. The Sa˜o Luiz and the West African cratonic areas. The Caririan Fold Belt of northeastern Brazil and the Pan-Africa Belt of Nigeria and Cameroon. The JequiéComplex of Bahia, the Ntem Complex of Cameroon and similar rocks of Gabon and Angola. The Ribeira Fold Belt in Brazil and the West Congo and Damara Belts in West and South Africa. In addition, other geological links are considered, such as some of the major linear fault zones which can be traced across the margins of South America and Africa, in the pre-drift reconstructions. Correlations are also made of the tectonic and stratigraphic evolution of the Paranáand Karroo syneclises, and the Brazilian and African marginal basins around the South Atlantic, during their initial stages. Finally, several similarities in the tectonic evolution of South America and Africa, during and after the onset of drifting, are shown to be compatible with a recent origin for the South Atlantic floor, as required by sea-floor spreading and continental drift between South America and Africa.

Principles and processes for effecting change in environmental management in New Zealand.

PubMed

Valentine, Ian; Hurley, Evelyn; Reid, Janet; Allen, Will

2007-02-01

In New Zealand environmental management is essentially the responsibility of land managers. Management decisions affect both production/productivity and the environment. However, responsibility for ensuring positive environmental outcomes falls on both local (Regional) and Central Government, and both they and international agencies such as the OECD would wish to monitor and report on changes. In terms of policy, strong links have been established via Central and Regional Government to land managers. Consumers in the market place are also, increasingly, requiring responsibility for positive environmental outcomes of those who purchase and process primary products. Strong links for responsibility have been established between our international markets and processing businesses and there is a noticeable strengthening of the links from the processors to the land manager/producer. In New Zealand a range of initiatives has been developed and implemented over recent times, whereby land managers are taking increasing responsibility for accounting for the environmental outcomes of their production activities. The range covers the spectrum from voluntary to compulsory (e.g., in order to meet market requirements) and from those initiated by customers to processor and/or producer initiatives. This paper follows the evolution of the principles that drove the predominant activities of the period and the processes that initiated the changes in environmental management. As the focus of agriculturalists changed from pioneering in a new world, to establishing a production base, to economic reality, and finally to environmental responsibility, the processes of extension adapted to meet the new challenge.

Economic Assessment of Zoonoses Surveillance in a 'One Health' Context: A Conceptual Framework.

PubMed

Babo Martins, S; Rushton, J; Stärk, K D C

2016-08-01

Collaboration between animal and public health sectors has been highlighted as a means to improve the management of zoonotic threats. This includes surveillance systems for zoonoses, where enhanced cross-sectoral integration and sharing of information are seen as key to improved public health outcomes. Yet, there is a lack of evidence on the economic returns of such collaboration, particularly in the development and implementation of surveillance programmes. The economic assessment of surveillance in this context needs to be underpinned by the understanding of the links between zoonotic disease surveillance in animal populations and the wider public health disease mitigation process and how these relations impact on the costs and benefits of the surveillance activities. This study presents a conceptual framework of these links as a basis for the economic assessment of cross-sectoral zoonoses surveillance with the aim of supporting the prioritization of resource allocation to surveillance. In the proposed framework, monetary, non-monetary and intermediate or intangible cost components and benefit streams of three conceptually distinct stages of zoonotic disease mitigation are identified. In each stage, as the final disease mitigation objective varies so does the use of surveillance information generated in the animal populations for public health decision-making. Consequently, the associated cost components and benefit streams also change. Building on the proposed framework and taking into account these links, practical steps for its application are presented and future challenges are discussed. © 2015 Blackwell Verlag GmbH.

Final Technical Report

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

Glasser, Alan H.

Final technical report on DE-SC0016106. This is the final technical report for a portion of the multi-institutional CEMM project. This report is centered around 3 publications and a seminar presentation, which have been submitted to E-Link.

CSAPR Direct Final Rule (77 FR 10342)

EPA Pesticide Factsheets

EPA takes direct final action on additional revisions to the final Transport Rule (Federal Implementation Plans: Interstate Transport of Fine Particulate Matter and Ozone and Correction of SIP Approvals published August 8, 2011).

Teaching Resources

Science.gov Websites

& Legislation Links Discussion Lists Quick Links AAPT eMentoring ComPADRE Review of High School Take Physics" Poster Why Physics Poster Thumbnail Download normal resolution JPEG Download high resolution JPEG Download Spanish Version Recruiting Physics Students in High School (FED newsletter article

European green lizard (Lacerta viridis) personalities: Linking behavioural types to ecologically relevant traits at different ontogenetic stages.

PubMed

Bajer, Katalin; Horváth, Gergely; Molnár, Orsolya; Török, János; Garamszegi, László Zsolt; Herczeg, Gábor

2015-02-01

Consistent individual differences within (animal personality) and across (behavioural syndrome) behaviours became well recognized during the past decade. Nevertheless, our knowledge about the evolutionary and developmental mechanisms behind the phenomena is still incomplete. Here, we explored if risk-taking and exploration were consistent and linked to different ecologically relevant traits in wild-caught adult male European green lizards (Lacerta viridis) and in their 2-3 weeks old laboratory-reared offspring. Both adults and juveniles displayed animal personality, consistency being higher in juveniles. We found correlation between risk-taking and exploration (suggestive of a behavioural syndrome) only in adults. Juveniles were more explorative than adults. Large or ectoparasite-free adult males were more explorative than small or parasitized males. Juvenile females tended to be more risk-taking than males. Behaviour of fathers and their offspring did not correlate. We conclude that European green lizards show high behavioural consistency and age is an important determinant of its strength and links to traits likely affecting fitness. Copyright © 2014 Elsevier B.V. All rights reserved.

The ever-expanding conundrum of primary osteoporosis: aetiopathogenesis, diagnosis, and treatment.

PubMed

Stagi, Stefano; Cavalli, Loredana; Seminara, Salvatore; de Martino, Maurizio; Brandi, Maria Luisa

2014-06-07

In recent years, as knowledge regarding the etiopathogenetic mechanisms of bone involvement characterizing many diseases has increased and diagnostic techniques evaluating bone health have progressively improved, the problem of low bone mass/quality in children and adolescents has attracted more and more attention, and the body evidence that there are groups of children who may be at risk of osteoporosis has grown. This interest is linked to an increased understanding that a higher peak bone mass (PBM) may be one of the most important determinants affecting the age of onset of osteoporosis in adulthood. This review provides an updated picture of bone pathophysiology and characteristics in children and adolescents with paediatric osteoporosis, taking into account the major causes of primary osteoporosis (PO) and evaluating the major aspects of bone densitometry in these patients. Finally, some options for the treatment of PO will be briefly discussed.

Image based book cover recognition and retrieval

NASA Astrophysics Data System (ADS)

Sukhadan, Kalyani; Vijayarajan, V.; Krishnamoorthi, A.; Bessie Amali, D. Geraldine

2017-11-01

In this we are developing a graphical user interface using MATLAB for the users to check the information related to books in real time. We are taking the photos of the book cover using GUI, then by using MSER algorithm it will automatically detect all the features from the input image, after this it will filter bifurcate non-text features which will be based on morphological difference between text and non-text regions. We implemented a text character alignment algorithm which will improve the accuracy of the original text detection. We will also have a look upon the built in MATLAB OCR recognition algorithm and an open source OCR which is commonly used to perform better detection results, post detection algorithm is implemented and natural language processing to perform word correction and false detection inhibition. Finally, the detection result will be linked to internet to perform online matching. More than 86% accuracy can be obtained by this algorithm.

The ever-expanding conundrum of primary osteoporosis: aetiopathogenesis, diagnosis, and treatment

PubMed Central

2014-01-01

In recent years, as knowledge regarding the etiopathogenetic mechanisms of bone involvement characterizing many diseases has increased and diagnostic techniques evaluating bone health have progressively improved, the problem of low bone mass/quality in children and adolescents has attracted more and more attention, and the body evidence that there are groups of children who may be at risk of osteoporosis has grown. This interest is linked to an increased understanding that a higher peak bone mass (PBM) may be one of the most important determinants affecting the age of onset of osteoporosis in adulthood. This review provides an updated picture of bone pathophysiology and characteristics in children and adolescents with paediatric osteoporosis, taking into account the major causes of primary osteoporosis (PO) and evaluating the major aspects of bone densitometry in these patients. Finally, some options for the treatment of PO will be briefly discussed. PMID:24906390

Thinking with Crocodiles: An Iconic Animal at the Intersection of Early-Modern Religion and Natural Philosophy.

PubMed

Weinreich, Spencer J

2015-01-01

This paper seeks to explore how culturally and religiously significant animals could shape discourses in which they were deployed, taking the crocodile as its case study. Beginning with the textual and visual traditions linking the crocodile with Africa and the Middle East, I read sixteenth- and seventeenth-century travel narratives categorizing American reptiles as "crocodiles" rather than "alligators," as attempts to mitigate the disruptive strangeness of the Americas. The second section draws on Ann Blair's study of "Mosaic Philosophy" to examine scholarly debates over the taxonomic identity of the biblical Leviathan. I argue that the language and analytical tools of natural philosophy progressively permeated religious discourse. Finally, a survey of more than 25 extant examples of the premodern practice of displaying crocodiles in churches, as well as other crocodilian elements in Christian iconography, provides an explanation for the ubiquity of crocodiles in Wunderkammern, as natural philosophy appropriated ecclesial visual vocabularies.

Linking Individual Creativity to Organizational Innovation

ERIC Educational Resources Information Center

Litchfield, Robert C.; Ford, Cameron M.; Gentry, Richard J.

2015-01-01

We draw on 146 employee-co-worker-supervisor triads from 146 organizations to examine the role of individual perspective-taking and team creative environment in the association between individual creativity and organizational innovation. Adopting an interactionist perspective, we find that the link between individual creativity and organizational…

Subduction indices in Calabro-Sicilian arc : Training for Experimental Skills Testing and collaborative work for students in scientific terminal class in high school.

NASA Astrophysics Data System (ADS)

Gendron, Faustine; Bollori, Lucas; Villeneuve, Felix

2017-04-01

In France, at the end of the last year in high school, students of the scientific terminal class have written exams in all subjects they are studying, and in "Life and Earth's Sciences", they also have an Experimental Skills Testing in order to rate them in scientific approach. This one-hour evaluation is made of four steps: - During the first evaluation, students have to show that they are able to propose a scientific strategy connected to a scientific problem. - During the second evaluation, they have to experiment. - During the third evaluation, they have to introduce their results. - During the last evaluation, they have to deduce and conclude. The final testing take place at the end of May, but during all the school year, teachers have to train their students, and it's impossible to make them work on real subjects. Therefore, it's necessary to produce new subjects every year. Linked to a fall school in Sicily last October, my colleagues and I have decided to create a new Experimental Skills Test to use new examples and illustrate subduction in the Mediterranean Sea with Aeolian Islands. We would like to make our pupils understand what the Aeolian volcanism is due to, by using information, equipment and software, etc. we have in our classrooms in our high school. Since we have found several ways for our students to prove that the Aeolian Islands are linked to a subduction zone, we have decided, following our research, to divide the new experimental skills testing in three different tests, in order to make students train on most of the equipment and then to share their results to produce a collaborative final work.

The Development of Reproductive Strategy in Females: Early Maternal Harshness [right arrow] Earlier Menarche [right arrow] Increased Sexual Risk Taking

ERIC Educational Resources Information Center

Belsky, Jay; Steinberg, Laurence; Houts, Renate M.; Halpern-Felsher, Bonnie L.

2010-01-01

To test a proposition central to J. Belsky, L. Steinberg, and P. Draper's (1991) evolutionary theory of socialization--that pubertal maturation plays a role in linking early rearing experience with adolescent sexual risk taking (i.e., frequency of sexual behavior) and, perhaps, other risk taking (e.g., alcohol, drugs, delinquency)--the authors…

49 CFR 520.28 - Preparation of final environmental impact statements.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 49 Transportation 6 2010-10-01 2010-10-01 false Preparation of final environmental impact... ENVIRONMENTAL IMPACTS Procedures § 520.28 Preparation of final environmental impact statements. (a) If the... for the action shall prepare a final environmental impact statement (FEIS), taking into account all...

Modifications of Saccharomyces pastorianus cell wall polysaccharides with brewing process.

PubMed

Bastos, Rita; Coelho, Elisabete; Coimbra, Manuel A

2015-06-25

The cell wall polysaccharides of brewers spent yeast Saccharomyces pastorianus (BSY) and the inoculum yeast (IY) were studied in order to understand the changes induced by the brewing process. The hot water and alkali extractions performed solubilized mainly mannoproteins, more branched for BSY than those of IY. Also, (31)P solid state NMR showed that the BSY mannoproteins were 3 times more phosphorylated. By electron microscopy it was observed that the final residues of alkali sequential extraction until 4M KOH preserved the yeast three-dimensional structure. The final residues, composed mainly by glucans (92%), showed that the BSY, when compared with IY, contained higher amount of (1→4)-linked Glc (43% for BSY and 16% for IY) and lower (1→3)-linked Glc (17% for BSY and 42% for IY). The enzymatic treatment of final residue showed that both BSY and IY had (α1→4)-linked Glc and (β1→4)-linked Glc, in a 2:1 ratio, showing that S. pastorianus increases their cellulose-like linkages with the brewing process. Copyright © 2015 Elsevier Ltd. All rights reserved.

Wired: Energy Drinks, Jock Identity, Masculine Norms, and Risk Taking

ERIC Educational Resources Information Center

Miller, Kathleen E.

2008-01-01

Objective: The author examined gendered links among sport-related identity, endorsement of conventional masculine norms, risk taking, and energy-drink consumption. Participants: The author surveyed 795 undergraduate students enrolled in introductory-level courses at a public university. Methods: The author conducted linear regression analyses of…

Career Links: Awakening Awareness to Factors Linking Educational Choice to Occupational Interests. Final Report, 1982-83.

ERIC Educational Resources Information Center

Project Link Educational Center, Newark, NJ.

A program in career linkages was conducted at Project Link Educational Center to bring the students to greater self-awareness in terms of their personal qualities, abilities, interests, and determinations and to express and examine these in relation to their occupational interests and goals. (Project Link Educational Center is a tuition-free,…

Anomalous Experiences, Trauma, and Symbolization Processes at the Frontiers between Psychoanalysis and Cognitive Neurosciences

PubMed Central

Rabeyron, Thomas; Loose, Tianna

2015-01-01

Anomalous or exceptional experiences are uncommon experiences which are usually interpreted as being paranormal by those who report them. These experiences have long remained difficult to explain, but current progress in cognitive neuroscience and psychoanalysis sheds light on the contexts in which they emerge, as well as on their underlying processes. Following a brief description of the different types of anomalous experiences, we underline how they can be better understood at the frontiers between psychoanalysis and cognitive neurosciences. In this regard, three main lines of research are discussed and illustrated, alongside clinical cases which come from a clinical service specializing in anomalous experiences. First, we study the links between anomalous experiences and hallucinatory processes, by showing that anomalous experiences frequently occur as a specific reaction to negative life events, in which case they mainly take the form of non-pathological hallucinations. Next, we propose to analyze these experiences from the perspective of their traumatic aspects and the altered states of consciousness they often imply. Finally, these experiences are considered to be the consequence of a hypersensitivity that can be linked to an increase in psychic permeability. In conclusion, these different processes lead us to consider anomalous experiences as primary forms of symbolization and transformation of the subjective experience, especially during, or after traumatic situations. PMID:26732646

Highlighting Relationships of a Smartphone's Social Ecosystem in Potentially Large Investigations.

PubMed

Andriotis, Panagiotis; Oikonomou, George; Tryfonas, Theo; Li, Shancang

2016-09-01

Social media networks are becoming increasingly popular because they can satisfy diverse needs of individuals (both personal and professional). Modern mobile devices are empowered with increased capabilities, taking advantage of the technological progress that makes them smarter than their predecessors. Thus, a smartphone user is not only the phone owner, but also an entity that may have different facets and roles in various social media networks. We believe that these roles can be aggregated in a single social ecosystem, which can be derived by the smartphone. In this paper, we present our concept of the social ecosystem in contemporary devices and we attempt to distinguish the different communities that occur from the integration of social networking in our lives. In addition, we propose techniques to highlight major actors within the ecosystem. Moreover, we demonstrate our suggested visualization scheme, which illustrates the linking of entities that live in separate communities using data taken from the smartphone. Finally, we extend our concept to include various parallel ecosystems during potentially large investigations and we link influential entities in a vertical fashion. We particularly examine cases where data aggregation is performed by specific applications, producing volumes of textual data that can be analyzed with text mining methods. Our analysis demonstrates the risks of the rising "bring your own device" trend in enterprise environments.

27 CFR 72.39 - Final action.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 27 Alcohol, Tobacco Products and Firearms 2 2010-04-01 2010-04-01 false Final action. 72.39... Remission or Mitigation of Forfeitures § 72.39 Final action. (a) Petitions for remission or mitigation of forfeiture. (1) The Director shall take final action on any petition filed pursuant to these regulations...

27 CFR 72.39 - Final action.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 27 Alcohol, Tobacco Products and Firearms 2 2011-04-01 2011-04-01 false Final action. 72.39... Remission or Mitigation of Forfeitures § 72.39 Final action. (a) Petitions for remission or mitigation of forfeiture. (1) The Director shall take final action on any petition filed pursuant to these regulations...

Renewable Fuel Standard (RFS2): Final Rule Additional Resources

EPA Pesticide Factsheets

The final rule of fuels and fuel additives: renewable fuel standard program is published on March 26, 2010 and is effective on July 1, 2010. You will find the links to this final rule and technical amendments supporting this rule.

77 FR 6682 - Marine Mammals; Subsistence Taking of Northern Fur Seals; Harvest Estimates

Federal Register 2010, 2011, 2012, 2013, 2014

2012-02-09

.... 110781394-2048-02] RIN 0648-BB09 Marine Mammals; Subsistence Taking of Northern Fur Seals; Harvest Estimates...), Commerce. ACTION: Final estimates of annual fur seal subsistence needs. SUMMARY: Pursuant to the regulations governing the subsistence taking of [[Page 6683

Predicting missing links and identifying spurious links via likelihood analysis

NASA Astrophysics Data System (ADS)

Pan, Liming; Zhou, Tao; Lü, Linyuan; Hu, Chin-Kun

2016-03-01

Real network data is often incomplete and noisy, where link prediction algorithms and spurious link identification algorithms can be applied. Thus far, it lacks a general method to transform network organizing mechanisms to link prediction algorithms. Here we use an algorithmic framework where a network’s probability is calculated according to a predefined structural Hamiltonian that takes into account the network organizing principles, and a non-observed link is scored by the conditional probability of adding the link to the observed network. Extensive numerical simulations show that the proposed algorithm has remarkably higher accuracy than the state-of-the-art methods in uncovering missing links and identifying spurious links in many complex biological and social networks. Such method also finds applications in exploring the underlying network evolutionary mechanisms.

Predicting missing links and identifying spurious links via likelihood analysis

PubMed Central

Pan, Liming; Zhou, Tao; Lü, Linyuan; Hu, Chin-Kun

2016-01-01

Real network data is often incomplete and noisy, where link prediction algorithms and spurious link identification algorithms can be applied. Thus far, it lacks a general method to transform network organizing mechanisms to link prediction algorithms. Here we use an algorithmic framework where a network’s probability is calculated according to a predefined structural Hamiltonian that takes into account the network organizing principles, and a non-observed link is scored by the conditional probability of adding the link to the observed network. Extensive numerical simulations show that the proposed algorithm has remarkably higher accuracy than the state-of-the-art methods in uncovering missing links and identifying spurious links in many complex biological and social networks. Such method also finds applications in exploring the underlying network evolutionary mechanisms. PMID:26961965

Is testing a more effective learning strategy than note-taking?

PubMed

Rummer, Ralf; Schweppe, Judith; Gerst, Kathleen; Wagner, Simon

2017-09-01

The testing effect is both robust and generalizable. However, most of the underlying studies compare testing to a rather ineffective control condition: massed repeated reading. This article therefore compares testing with note-taking, which has been shown to be more effective than repeated reading. Experiment 1 is based on a 3 × 3 between-participants design with the factors learning condition (repeated reading vs. repeated testing vs. repeated note-taking) and final test delay (5 min vs. 1 week vs. 2 weeks). It shows that in the immediate condition, learning performance is best after note-taking. After 1 week, both the note-taking and the testing groups outperform the rereading group, and after 2 weeks, testing is superior to both note-taking and rereading. Since repeated notetaking may not be the most effective (and common) operationalization of note-taking, Experiment 2 contrasts repeated testing with 2 other note-taking conditions: note-taking plus note-reading and note-taking plus testing (with only a 2-week final test delay). Both conditions that include a testing phase result in better long-term learning than note-taking plus note-reading. In summary, our findings indicate that-in the long run-testing is a powerful learning tool both in isolation and in combination with note-taking. (PsycINFO Database Record (c) 2017 APA, all rights reserved).

Synthesising topological links

DOE PAGES

Baas, Nils A.; Seeman, Nadrian C.; Stacey, Andrew

2014-10-14

In this paper, we discuss the chemical synthesis of topological links, in particular higher order links which have the Brunnian property (namely that removal of any one component unlinks the entire system). Finally, we suggest how to obtain both two dimensional and three dimensional objects (surfaces and solids, respectively) which also have this Brunnian property.

Neuroimaging and Drug Taking in Primates Abbreviated title: Neuroimaging and Drug taking

PubMed Central

Murnane, Kevin S.; Howell, Leonard L.

2011-01-01

Rationale Neuroimaging techniques have led to significant advances in our understanding of the neurobiology of drug-taking and the treatment of drug addiction in humans. Neuroimaging approaches provide a powerful translational approach that can link findings from humans and laboratory animals. Objective This review describes the utility of neuroimaging toward understanding the neurobiological basis of drug taking, and documents the close concordance that can be achieved among neuroimaging, neurochemical and behavioral endpoints. Results The study of drug interactions with dopamine and serotonin transporters in vivo has identified pharmacological mechanisms of action associated with the abuse liability of stimulants. Neuroimaging has identified the extended limbic system, including the prefrontal cortex and anterior cingulate, as important neuronal circuitry that underlies drug taking. The ability to conduct within-subject, longitudinal assessments of brain chemistry and neuronal function has enhanced our efforts to document long-term changes in dopamine D2 receptors, monoamine transporters, and prefrontal metabolism due to chronic drug exposure. Dysregulation of dopamine function and brain metabolic changes in areas involved in reward circuitry have been linked to drug-taking behavior, cognitive impairment and treatment response. Conclusions Experimental designs employing neuroimaging should consider well-documented determinants of drug taking, including pharmacokinetic considerations, subject history and environmental variables. Methodological issues to consider include limited molecular probes, lack of neurochemical specificity in brain activation studies, and the potential influence of anesthetics in animal studies. Nevertheless, these integrative approaches should have important implications for understanding drug-taking behavior and the treatment of drug addiction. PMID:21360099

Linking Workforce Development to Economic Development: A Casebook for Community Colleges

ERIC Educational Resources Information Center

Rothwell, William J., Ed.; Gerity, Patrick E., Ed.

2008-01-01

"Linking Workforce Development to Economic Development: A Casebook for Community Colleges" is a compilation of best practice examples, which illustrate what it takes for community colleges to achieve their goal of helping people acquire education and skills, helping employers, supporting communities, and building the nation. The book is…

The Role of Social Perspective-Taking in Developing Students' Leadership Capacities

ERIC Educational Resources Information Center

Dugan, John P.; Bohle, Christopher W.; Woelker, Lindsey R.; Cooney, Matthew A.

2014-01-01

This study examined relationships between social perspective-taking (SPT) and the individual, group, and societal domains of socially responsible leadership. SPT is a higher-order cognitive skill linked to moral development and social coordination, but never empirically connected to leadership development. Analyses determined SPT has a strong…

Traffic Volume and Aggregate Economic Activity: Implications for Taking the Pulse of the U.S. Economy

DOT National Transportation Integrated Search

2016-09-01

What is the incremental relevance of real-time traffic volume data for taking the pulse of the U.S. economy? Although prior research has identified a positive link between traffic volume and economic activity, there is a dearth of evidence on the rel...

Particle-Laden Leidenfrost Droplets: Final-Stage Observations

NASA Astrophysics Data System (ADS)

Fang, Zecong; Xu, Jie

2015-03-01

Little interest has been paid to the final stage of a Leidenfrost droplet until a recent study by Celestini et al [Phys. Rev. Lett. 109, 034501 (2012)] reporting an unexpected take-off phenomenon of micrometer sized pure liquid droplets (Rl < R Ri), which behave quite differently from the previous study. While an originally micrometer sized Leidenfrost droplet takes off due to breakdown of lubrication regime, and hovers above its vapor layer until disappearing in the final stage of evaporation, an originally millimetric Leidenfrost drop is observed to hover and oscillate, taking off and falling back consecutively. We further report another interesting observation on water droplets containing micrometric glass beads. These droplets spontaneously organize and buckle together during evaporation. In addition to oscillation just like pure droplets, these particle-laden drops create an unexpected explosive shoot-up at the end of evaporation.

Renewable Fuel Standard Program (RFS1): Final Rule Additional Resources

EPA Pesticide Factsheets

The final rule of fuels and fuel additives: renewable fuel standard program is published on May 1, 2007 and is effective on September 1, 2007. You will find the links to this final rule and technical amendments supporting this rule.

Field-based Digital Mapping of the November 3, 2002 Susitna Glacier Fault Rupture - Integrating remotely sensed data, GIS, and photo-linking technologies

NASA Astrophysics Data System (ADS)

Staft, L. A.; Craw, P. A.

2003-12-01

In July 2003, the U.S. Geological Survey and the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted field studies on the Susitna Glacier Fault (SGF), which ruptured on November 2002 during the M 7.9 Denali fault earthquake. The DGGS assumed responsibility for Geographic Information System (GIS) and data management, integrating remotely sensed imagery, GPS data, GIS, and photo-linking software to aid in planning and documentation of fieldwork. Pre-field preparation included acquisition of over 150, 1:6,000-scale true-color aerial photographs taken shortly after the SGF rupture, 1:63,360-scale color-infrared (CIR) 1980 aerial photographs, and digital geographic information including a 15-minute Digital Elevation Model (DEM), 1:63,360-scale Digital Raster Graphics (DRG), and LandSat 7 satellite imagery. Using Orthomapper software, we orthorectified and mosaiced seven CIRs, creating a georeferenced, digital photo base of the study area. We used this base to reference the 1:6,000-scale aerial photography, to view locations of field sites downloaded from GPS, and to locate linked digital photographs that were taken in the field. Photos were linked using GPS-Photo Link software which "links" digital photographs to GPS data by correlating time stamps from the GPS track log or waypoint file to those of the digital photos, using the correlated point data to create a photo location ESRI shape file. When this file is opened in ArcMap or ArcView with the GPS-Photo Link utility enabled, a thumbnail image of the linked photo appears when the cursor is over the photo location. Viewing photographed features and scarp-profile locations in GIS allowed us to evaluate data coverage of the rupture daily. Using remotely sensed imagery in the field with GIS gave us the versatility to display data on a variety of bases, including topographic maps, air photos, and satellite imagery, during fieldwork. In the field, we downloaded, processed, and reviewed data as it was collected, taking major steps toward final digital map production. Using the described techniques greatly enhanced our ability to analyze and interpret field data; the resulting digital data structure allows us to efficiently gather, disseminate, and archive critical field data.

“I tried so many diets, now I want to do it differently”—A single case study on coaching for weight loss

PubMed Central

Stelter, Reinhard

2015-01-01

In this single case study, the author presented an in-depth description and analysis of a coaching intervention with focus on weight loss, conducted over 10 sessions in the course of 17 months. The client was a well-educated woman in her late 30s, who had tried many different forms of dieting over the years—with little and no lasting effect. In his coaching approach, the author went beyond a pure behavioural change model, that is, based on the Health Belief Model, and tried to take a whole-life perspective, where the client learned to link specific events and habits in her work life and everyday life with specific eating habits. In their collaborative practice, coach and coachee initiated changes both in regard to diet, physical activity, and healthy life style, in general. In a theoretical section, the change in understanding with regard to overeating was presented. Finally, an intra-active model—viewing the client as a self-reflective individual—was used as theoretical basis. A narrative analysis of the first session and a cross-session examination was presented to show, analyse, and understand the procedure of the coaching approach. Finally, the voice of the coachee was heard in regard to her personal experiences during the process. The data material was based on audio recordings of selected sessions, notes written by the coach from every session, and final written reflections by the coachee. PMID:26282867

50 CFR 11.16 - Final administrative decision.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 50 Wildlife and Fisheries 1 2010-10-01 2010-10-01 false Final administrative decision. 11.16... TAKING, POSSESSION, TRANSPORTATION, SALE, PURCHASE, BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND PLANTS CIVIL PROCEDURES Assessment Procedure § 11.16 Final administrative decision. (a) Where no request...

Exploring the kinetics of gelation and final architecture of enzymatically cross-linked chitosan/gelatin gels.

PubMed

da Silva, Marcelo A; Bode, Franziska; Grillo, Isabelle; Dreiss, Cécile A

2015-04-13

Small-angle neutron scattering (SANS) was used to characterize the nanoscale structure of enzymatically cross-linked chitosan/gelatin hydrogels obtained from two protocols: a pure chemical cross-linking process (C), which uses the natural enzyme microbial transglutaminase, and a physical-co-chemical (PC) hybrid process, where covalent cross-linking is combined with the temperature-triggered gelation of gelatin, occurring through the formation of triple-helices. SANS measurements on the final and evolving networks provide a correlation length (ξ), which reflects the average size of expanding clusters. Their growth in PC gels is restricted by the triple-helices (ξ ∼ 10s of Å), while ξ in pure chemical gels increases with cross-linker concentration (∼100s of Å). In addition, the shear elastic modulus in PC gels is higher than in pure C gels. Our results thus demonstrate that gelatin triple helices provide a template to guide the cross-linking process; overall, this work provides important structural insight to improve the design of biopolymer-based gels.

A Curriculum-Linked Professional Development Approach to Support Teachers' Adoption of Web GIS Tectonics Investigations

ERIC Educational Resources Information Center

Bodzin, Alec; Anastasio, David; Sahagian, Dork; Henry, Jill Burrows

2016-01-01

A curriculum-linked professional development approach designed to support middle level science teachers' understandings about tectonics and geospatial pedagogical content knowledge was developed. This approach takes into account limited face-to-face professional development time and instead provides pedagogical support within the design of a…

Women and Systems: Is There a Link?

ERIC Educational Resources Information Center

Carter, Ruth

There may be a link between the systems movement and the women's movement. The systems approach allows an observer to identify important relationships and behavior within a system. This approach recognizes that observers of a system will be taking differing and subjective views of the system, depending on their own perspectives. Among the various…

Child physical abuse and concurrence of other types of child abuse in Sweden-Associations with health and risk behaviors.

PubMed

Annerbäck, E-M; Sahlqvist, L; Svedin, C G; Wingren, G; Gustafsson, P A

2012-01-01

To examine the associations between child physical abuse executed by a parent or caretaker and self-rated health problems/risk-taking behaviors among teenagers. Further to evaluate concurrence of other types of abuse and how these alone and in addition to child physical abuse were associated with bad health status and risk-taking behaviors. A population-based survey was carried out in 2008 among all the pupils in 2 different grades (15 respectively 17 years old) in Södermanland County, Sweden (n=7,262). The response rate was 81.8%. The pupils were asked among other things about their exposure to child physical abuse, exposure to parental intimate violence, bullying, and exposure to being forced to engage in sexual acts. Adjusted analyses were conducted to estimate associations between exposure and ill-health/risk-taking behaviors. Child physical abuse was associated with poor health and risk-taking behaviors with adjusted odds ratios (OR) ranging from 1.6 to 6.2. The associations were stronger when the pupils reported repeated abuse with OR ranging from 2.0 to 13.2. Also experiencing parental intimate partner violence, bullying and being forced to engage in sexual acts was associated with poor health and risk-taking behaviors with the same graded relationship to repeated abuse. Finally there was a cumulative effect of multiple abuse in the form of being exposed to child physical abuse plus other types of abuse and the associations increased with the number of concurrent abuse. This study provides strong indications that child abuse is a serious public health problem based on the clear links seen between abuse and poor health and behavioral problems. Consistent with other studies showing a graded relationship between experiences of abuse and poor health/risk-taking behaviors our study shows poorer outcomes for repeated and multiple abuse. Thus, our study calls for improvement of methods of comprehensive assessments, interventions and treatment in all settings where professionals meet young people. Copyright © 2012 Elsevier Ltd. All rights reserved.

Design and optimization of a fiber optic data link for new generation on-board SAR processing architectures

NASA Astrophysics Data System (ADS)

Ciminelli, Caterina; Dell'Olio, Francesco; Armenise, Mario N.; Iacomacci, Francesco; Pasquali, Franca; Formaro, Roberto

2017-11-01

A fiber optic digital link for on-board data handling is modeled, designed and optimized in this paper. Design requirements and constraints relevant to the link, which is in the frame of novel on-board processing architectures, are discussed. Two possible link configurations are investigated, showing their advantages and disadvantages. An accurate mathematical model of each link component and the entire system is reported and results of link simulation based on those models are presented. Finally, some details on the optimized design are provided.

Regional Scale Simulations of Nitrate Leaching through Agricultural Soils of California

NASA Astrophysics Data System (ADS)

Diamantopoulos, E.; Walkinshaw, M.; O'Geen, A. T.; Harter, T.

2016-12-01

Nitrate is recognized as one of California's most widespread groundwater contaminants. As opposed to point sources, which are relative easily identifiable sources of contamination, non-point sources of nitrate are diffuse and linked with widespread use of fertilizers in agricultural soils. California's agricultural regions have an incredible diversity of soils that encompass a huge range of properties. This complicates studies dealing with nitrate risk assessment, since important biological and physicochemical processes appear at the first meters of the vadose zone. The objective of this study is to evaluate all agricultural soils in California according to their potentiality for nitrate leaching based on numerical simulations using the Richards equation. We conducted simulations for 6000 unique soil profiles (over 22000 soil horizons) taking into account the effect of climate, crop type, irrigation and fertilization management scenarios. The final goal of this study is to evaluate simple management methods in terms of reduced nitrate leaching. We estimated drainage rates of water under the root zone and nitrate concentrations in the drain water at the regional scale. We present maps for all agricultural soils in California which can be used for risk assessment studies. Finally, our results indicate that adoption of simple irrigation and fertilization methods may significantly reduce nitrate leaching in vulnerable regions.

Identification and quantification of ciprofloxacin in urine through excitation-emission fluorescence and three-way PARAFAC calibration.

PubMed

Ortiz, M C; Sarabia, L A; Sánchez, M S; Giménez, D

2009-05-29

Due to the second-order advantage, calibration models based on parallel factor analysis (PARAFAC) decomposition of three-way data are becoming important in routine analysis. This work studies the possibility of fitting PARAFAC models with excitation-emission fluorescence data for the determination of ciprofloxacin in human urine. The finally chosen PARAFAC decomposition is built with calibration samples spiked with ciprofloxacin, and with other series of urine samples that were also spiked. One of the series of samples has also another drug because the patient was taking mesalazine. The mesalazine is a fluorescent substance that interferes with the ciprofloxacin. Finally, the procedure is applied to samples of a patient who was being treated with ciprofloxacin. The trueness has been established by the regression "predicted concentration versus added concentration". The recovery factor is 88.3% for ciprofloxacin in urine, and the mean of the absolute value of the relative errors is 4.2% for 46 test samples. The multivariate sensitivity of the fit calibration model is evaluated by a regression between the loadings of PARAFAC linked to ciprofloxacin versus the true concentration in spiked samples. The multivariate capability of discrimination is near 8 microg L(-1) when the probabilities of false non-compliance and false compliance are fixed at 5%.

Creating Vocational Streams: What Will It Take? Research Report

ERIC Educational Resources Information Center

Yu, Serena

2015-01-01

This report is part of a wider three-year program of research, "Vocations: the link between post-compulsory education and the labour market," which is investigating the educational and occupational paths that people take, and how their study relates to their work. In particular, this strand has been investigating the application of…

Feeding the Superintendent's Mind, Body, Spirit

ERIC Educational Resources Information Center

Palmer, Judith A.

2008-01-01

A superintendent's job requires taking care of people--children first, then faculty and staff, the board of education, parents and anyone else who strides through a superintendent's door. At the end of the day, no one really takes care of superintendents but themselves. Their well-being is directly linked to their state of minds, the health of…

Double Take

ERIC Educational Resources Information Center

Educational Leadership, 2011

2011-01-01

This paper begins by discussing the results of two studies recently conducted in Australia. According to the two studies, taking a gap year between high school and college may help students complete a degree once they return to school. The gap year can involve such activities as travel, service learning, or work. Then, the paper presents links to…

Extended model of restricted beam for FSO links

NASA Astrophysics Data System (ADS)

Poliak, Juraj; Wilfert, Otakar

2012-10-01

Modern wireless optical communication systems in many aspects overcome wire or radio communications. Their advantages are license-free operation and broad bandwidth that they offer. The medium in free-space optical (FSO) links is the atmosphere. Operation of outdoor FSO links struggles with many atmospheric phenomena that deteriorate phase and amplitude of the transmitted optical beam. This beam originates in the transmitter and is affected by its individual parts, especially by the lens socket and the transmitter aperture, where attenuation and diffraction effects take place. Both of these phenomena unfavourable influence the beam and cause degradation of link availability, or its total malfunction. Therefore, both of these phenomena should be modelled and simulated, so that one can judge the link function prior to the realization of the system. Not only the link availability and reliability are concerned, but also economic aspects. In addition, the transmitted beam is not, generally speaking, circularly symmetrical, what makes the link simulation more difficult. In a comprehensive model, it is necessary to take into account the ellipticity of the beam that is restricted by circularly symmetrical aperture where then the attenuation and diffraction occur. General model is too computationally extensive; therefore simplification of the calculations by means of analytical and numerical approaches will be discussed. Presented model is not only simulated using computer, but also experimentally proven. One can then deduce the ability of the model to describe the reality and to estimate how far can one go with approximations, i.e. limitations of the model are discussed.

Genetic determinants of financial risk taking.

PubMed

Kuhnen, Camelia M; Chiao, Joan Y

2009-01-01

Individuals vary in their willingness to take financial risks. Here we show that variants of two genes that regulate dopamine and serotonin neurotransmission and have been previously linked to emotional behavior, anxiety and addiction (5-HTTLPR and DRD4) are significant determinants of risk taking in investment decisions. We find that the 5-HTTLPR s/s allele carriers take 28% less risk than those carrying the s/l or l/l alleles of the gene. DRD4 7-repeat allele carriers take 25% more risk than individuals without the 7-repeat allele. These findings contribute to the emerging literature on the genetic determinants of economic behavior.

77 FR 56558 - Hazardous Waste Management System; Identification and Listing of Hazardous Waste; Final Rule

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-13

... determination (regarding a federally regulated waste), the delisting determination takes effect within that... from taking effect in the state, or that requires a State concurrence before the federal exclusion takes effect, or that allows the State to add conditions to any federal exclusion. We urge the...

DYT1 dystonia increases risk taking in humans.

PubMed

Arkadir, David; Radulescu, Angela; Raymond, Deborah; Lubarr, Naomi; Bressman, Susan B; Mazzoni, Pietro; Niv, Yael

2016-06-01

It has been difficult to link synaptic modification to overt behavioral changes. Rodent models of DYT1 dystonia, a motor disorder caused by a single gene mutation, demonstrate increased long-term potentiation and decreased long-term depression in corticostriatal synapses. Computationally, such asymmetric learning predicts risk taking in probabilistic tasks. Here we demonstrate abnormal risk taking in DYT1 dystonia patients, which is correlated with disease severity, thereby supporting striatal plasticity in shaping choice behavior in humans.

CSAPR June Revisions Rule (77 FR 34830)

EPA Pesticide Factsheets

EPA takes final action on revisions to the final Transport Rule (Federal Implementation Plans: Interstate Transport of Fine Particulate Matter and Ozone and Correction of SIP Approvals, published August 8, 2011).

The College Ladder: Linking Secondary and Postsecondary Education for Success for All Students

ERIC Educational Resources Information Center

Lerner, Jennifer Brown; Brand, Betsy

2006-01-01

This compendium identifies and describes schools, programs, and policies that link secondary and postsecondary education to help students earn college credit or take college-level courses while in high school. It raises issues for practitioners and policymakers to consider as these program grow and target a wider range of students. This compendium…

Mussel-Inspired Electro-Cross-Linking of Enzymes for the Development of Biosensors.

PubMed

El-Maiss, Janwa; Cuccarese, Marco; Maerten, Clément; Lupattelli, Paolo; Chiummiento, Lucia; Funicello, Maria; Schaaf, Pierre; Jierry, Loïc; Boulmedais, Fouzia

2018-06-06

In medical diagnosis and environmental monitoring, enzymatic biosensors are widely applied because of their high sensitivity, potential selectivity, and their possibility of miniaturization/automation. Enzyme immobilization is a critical process in the development of this type of biosensors with the necessity to avoid the denaturation of the enzymes and ensuring their accessibility toward the analyte. Electrodeposition of macromolecules is increasingly considered to be the most suitable method for the design of biosensors. Being simple and attractive, it finely controls the immobilization of enzymes on electrode surfaces, usually by entrapment or adsorption, using an electrical stimulus. Performed manually, enzyme immobilization by cross-linking prevents enzyme leaching and was never done using an electrochemical stimulus. In this work, we present a mussel-inspired electro-cross-linking process using glucose oxidase (GOX) and a homobifunctionalized catechol ethylene oxide spacer as a cross-linker in the presence of ferrocene methanol (FC) acting as a mediator of the buildup. Performed in one pot, the process takes place in three steps: (i) electro-oxidation of FC, by the application of cyclic voltammetry, creating a gradient of ferrocenium (FC + ); (ii) oxidation of bis-catechol into a bis-quinone molecule by reaction with the electrogenerated FC + ; and (iii) a chemical reaction of bis-quinone with free amino moieties of GOX through Michael addition and a Schiff's base condensation reaction. Employed for the design of a second-generation glucose biosensor using ferrocene methanol (FC) as a mediator, this new enzyme immobilization process presents several advantages. The cross-linked enzymatic film (i) is obtained in a one-pot process with nonmodified GOX, (ii) is strongly linked to the metallic electrode surface thanks to catechol moieties, and (iii) presents no leakage issues. The developed GOX/bis-catechol film shows a good response to glucose with a quite wide linear range from 1.0 to 12.5 mM as well as a good sensitivity (0.66 μA/mM cm 2 ) and a high selectivity to glucose. These films would distinguish between healthy (3.8 and 6.5 mM) and hyperglycemic subjects (>7 mM). Finally, we show that this electro-cross-linking process allows the development of miniaturized biosensors through the functionalization of a single electrode out of a microelectrode array. Elegant and versatile, this electro-cross-linking process can also be used for the development of enzymatic biofuel cells.

49 CFR 106.40 - Direct final rule.

Code of Federal Regulations, 2010 CFR

2010-10-01

... PHMSA Rulemaking Documents § 106.40 Direct final rule. A direct final rule makes regulatory changes and states that the regulatory changes will take effect on a specified date unless PHMSA receives an adverse... rule would be inappropriate, or would be ineffective or unacceptable without a change. It may challenge...

77 FR 39117 - Equal Access to Justice Act Implementation Rule

Federal Register 2010, 2011, 2012, 2013, 2014

2012-06-29

... regularly perform services for remuneration for the applicant, under the applicant's direction and control... Director may delegate authority to take final action on matters pertaining to the Equal Access to Justice... that the Director's final order issued pursuant to Sec. 1081.405 is final and unappealable, both within...

40 CFR 304.40 - Effect and enforcement of final decision.

Code of Federal Regulations, 2011 CFR

2011-07-01

... established by this part shall not be liable for claims for contributions regarding matters addressed by the... against an action seeking contribution for matters addressed by the final decision, no final decision..., regulation or legal theory; or (2) Take further response action at the facility concerned pursuant to CERCLA...

40 CFR 304.40 - Effect and enforcement of final decision.

Code of Federal Regulations, 2013 CFR

2013-07-01

... established by this part shall not be liable for claims for contributions regarding matters addressed by the... against an action seeking contribution for matters addressed by the final decision, no final decision..., regulation or legal theory; or (2) Take further response action at the facility concerned pursuant to CERCLA...

40 CFR 304.40 - Effect and enforcement of final decision.

Code of Federal Regulations, 2012 CFR

2012-07-01

... established by this part shall not be liable for claims for contributions regarding matters addressed by the... against an action seeking contribution for matters addressed by the final decision, no final decision..., regulation or legal theory; or (2) Take further response action at the facility concerned pursuant to CERCLA...

40 CFR 304.40 - Effect and enforcement of final decision.

Code of Federal Regulations, 2014 CFR

2014-07-01

... established by this part shall not be liable for claims for contributions regarding matters addressed by the... against an action seeking contribution for matters addressed by the final decision, no final decision..., regulation or legal theory; or (2) Take further response action at the facility concerned pursuant to CERCLA...

NOAA Photo Library - Historical National Weather Service Collection

Science.gov Websites

weather and climate services to our nation. We hope you enjoy these snapshots of the heritage of the Collections page. Takes you to the search page. Takes you to the Links page. collage banner showing clouds with images of scientific accomplishment, technological innovation and community service. The photos in

The Relationship between Empathy-Related Constructs and Care-Based Moral Development in Young Adulthood

ERIC Educational Resources Information Center

Skoe, Eva E. A.

2010-01-01

This study examined the link between care-based moral reasoning and three different aspects of empathy--perspective taking, sympathy and personal distress. Participants were 30 female and 28 male students, ranging in age from 20 to 42 years. As expected, results showed that perspective taking uniquely predicted care-based moral reasoning levels…

Ageism and Risk-Taking in Young Adults: Evidence for a Link between Death Anxiety and Ageism

ERIC Educational Resources Information Center

Popham, Lauren E.; Kennison, Shelia M.; Bradley, Kristopher I.

2011-01-01

The authors investigated the relationship between ageism and risk-taking in young adults. They hypothesized that young adults may attempt to distance themselves from their future older selves and from an awareness of their mortality by seeking out experiences that make them feel strong, energetic, and invulnerable (i.e., experiences involving…

NOAA Photo Library - NOAA People - Portraits in Time Collection

Science.gov Websites

Collections page. Takes you to the search page. Takes you to the Links page. NOAA People - Portraits in Time Collage of NOAA People Organizations are built by individuals. An organization is the sum total of the view ALL current images. NOAA People Portraits in Time ~ Albums Coast surveyors in tent Coast &

Self-Presentation and the Role of Perspective Taking and Social Motivation in Autism Spectrum Disorder

ERIC Educational Resources Information Center

Scheeren, Anke M.; Banerjee, Robin; Koot, Hans M.; Begeer, Sander

2016-01-01

We compared self-presentation abilities of 132 children and adolescents with autism spectrum disorders (ASD) to those of 41 typically developing (TD) peers, and examined the potential link with their social motivation and perspective taking. Participants introduced themselves to an interviewer in a baseline condition (without incentive) and a…

NOAA Photo Library - Beginnings and Endings

Science.gov Websites

Collections page. Takes you to the search page. Takes you to the Links page. collage featuring setting sun celebration of sun, sky, clouds, and horizon. Revel in shades of red, pink, orange, and blue. End your visit at sunset Alaska red sky with sun Atlantic ocean scene at sunrise with ice flows Antarctic moon over

77 FR 25363 - Approval and Promulgation of Implementation Plans and Designations of Areas for Air Quality...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-04-30

... Ambient Air Quality Standard (NAAQS) AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule... of the 1997 8-hour ozone NAAQS as of the applicable date. DATES: Effective Date: This final rule will... action is EPA taking in this final rule? II. What is the background for this final action? III. What was...

Transition from wing to leg forces during landing in birds.

PubMed

Provini, Pauline; Tobalske, Bret W; Crandell, Kristen E; Abourachid, Anick

2014-08-01

Transitions to and from the air are critical for aerial locomotion and likely shaped the evolution of flying animals. Research on take-off demonstrates that legs generate greater body accelerations compared with wings, and thereby contribute more to initial flight velocity. Here, we explored coordination between wings and legs in two species with different wingbeat styles, and quantified force production of these modules during the final phase of landing. We used the same birds that we had previously studied during take-off: zebra finch (Taeniopygia guttata, N=4) and diamond dove (Geopelia cuneata, N=3). We measured kinematics using high-speed video, aerodynamics using particle image velocimetry, and ground-reaction forces using a perch mounted on a force plate. In contrast with the first three wingbeats of take-off, the final four wingbeats during landing featured ~2 times greater force production. Thus, wings contribute proportionally more to changes in velocity during the last phase of landing compared with the initial phase of take-off. The two species touched down at the same velocity (~1 m s(-1)), but they exhibited significant differences in the timing of their final wingbeat relative to touchdown. The ratio of average wing force to peak leg force was greater in diamond doves than in zebra finches. Peak ground reaction forces during landing were ~50% of those during take-off, consistent with the birds being motivated to control landing. Likewise, estimations of mechanical energy flux for both species indicate that wings produce 3-10 times more mechanical work within the final wingbeats of flight compared with the kinetic energy of the body absorbed by legs during ground contact. © 2014. Published by The Company of Biologists Ltd.

Benefits of controller-pilot data link ATC communications in terminal airspace : final report

DOT National Transportation Integrated Search

1996-09-30

This report documents a Federal Aviation Administration (FAA) study that was : conducted to demonstrate and quantify benefits associated with the implementation of controller-pilot Data Link communications in terminal : airspace. The study was suppor...

78 FR 13499 - Approval and Promulgation of Implementation Plans; Tennessee; Revisions to the Knox County...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-02-28

... taking direct final action to approve revisions to the Knox County portion of the Tennessee State... of the CAA. EPA is taking action to approve these SIP revisions. A. August 19, 2009, Submittal This... 16.3.C allowing law enforcement agencies to open burn contraband. EPA is not taking action on this...

78 FR 77599 - Approval and Promulgation of Air Quality Implementation Plans; Indiana; Indiana State Board...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-12-24

... under the Clean Air Act (CAA), EPA is taking final action to approve state implementation plan (SIP... the background for this action? II. What action is EPA taking? III. Statutory and Executive Order... proposal to approve Indiana's state board provisions. II. What action is EPA taking? For the reasons...

Rethinking the Use of Tests: A Meta-Analysis of Practice Testing

ERIC Educational Resources Information Center

Adesope, Olusola O.; Trevisan, Dominic A.; Sundararajan, Narayankripa

2017-01-01

The testing effect is a well-known concept referring to gains in learning and retention that can occur when students take a practice test on studied material before taking a final test on the same material. Research demonstrates that students who take practice tests often outperform students in nontesting learning conditions such as restudying,…

76 FR 58537 - In the Matter of Certain Personal Data and Mobile Communications Devices and Related Software...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-09-21

... subsystems. (HTC Pet. 30-35). (4) Whether the final ID's applications of the claim constructions for... below: (1) Whether the final ID's applications of the claim constructions for ``linking actions to the... has determined to review certain claim constructions, as well as the final ID's determinations...

Phase IV of Early Restoration | NOAA Gulf Spill Restoration

Science.gov Websites

Trustees published the Final Phase IV Early Restoration Plan and Environmental Assessments. The plan habitats. Useful Links: Final Phase IV Early Restoration Plan and Environmental Assessments (pdf, 4.8 MB ) Final Phase IV Early Restoration Plan and Environmental Assessments Executive Summary (pdf, 729 KB

The emerging Medical and Geological Association.

USGS Publications Warehouse

Finkelman, R.B.; Centeno, J.A.; Selinus, O.

2005-01-01

The impact on human health by natural materials such as water, rocks, and minerals has been known for thousands of years but there have been few systematic, multidisciplinary studies on the relationship between geologic materials and processes and human health (the field of study commonly referred to as medical geology). In the past few years, however, there has been a resurgence of interest in medical geology. Geoscientists working with medical researchers and public health scientists have made important contributions to understanding novel exposure pathways and causes of a wide range of environmental health problems such as: exposure to toxic levels of trace essential and non-essential elements such as arsenic and mercury; trace element deficiencies; exposure to natural dusts and to radioactivity; naturally occurring organic compounds in drinking water; volcanic emissions, etc. By linking with biomedical/public health researchers geoscientists are finally taking advantage of this age-old opportunity to help mitigate environmental health problems. The International Medical Geology Association has recently been formed to support this effort.

Invisible water, visible impact: groundwater use and Indian agriculture under climate change

DOE PAGES

Zaveri, Esha; Grogan, Danielle S.; Fisher-Vanden, Karen; ...

2016-08-03

India is one of the world's largest food producers, making the sustainability of its agricultural system of global significance. Groundwater irrigation underpins India's agriculture, currently boosting crop production by enough to feed 170 million people. Groundwater overexploitation has led to drastic declines in groundwater levels, threatening to push this vital resource out of reach for millions of small-scale farmers who are the backbone of India's food security. Historically, losing access to groundwater has decreased agricultural production and increased poverty. We take a multidisciplinary approach to assess climate change challenges facing India's agricultural system, and to assess the effectiveness of large-scalemore » water infrastructure projects designed to meet these challenges. We find that even in areas that experience climate change induced precipitation increases, expansion of irrigated agriculture will require increasing amounts of unsustainable groundwater. Finally, the large proposed national river linking project has limited capacity to alleviate groundwater stress. Thus, without intervention, poverty and food insecurity in rural India is likely to worsen.« less

Invisible water, visible impact: groundwater use and Indian agriculture under climate change

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

Zaveri, Esha; Grogan, Danielle S.; Fisher-Vanden, Karen

India is one of the world's largest food producers, making the sustainability of its agricultural system of global significance. Groundwater irrigation underpins India's agriculture, currently boosting crop production by enough to feed 170 million people. Groundwater overexploitation has led to drastic declines in groundwater levels, threatening to push this vital resource out of reach for millions of small-scale farmers who are the backbone of India's food security. Historically, losing access to groundwater has decreased agricultural production and increased poverty. We take a multidisciplinary approach to assess climate change challenges facing India's agricultural system, and to assess the effectiveness of large-scalemore » water infrastructure projects designed to meet these challenges. We find that even in areas that experience climate change induced precipitation increases, expansion of irrigated agriculture will require increasing amounts of unsustainable groundwater. Finally, the large proposed national river linking project has limited capacity to alleviate groundwater stress. Thus, without intervention, poverty and food insecurity in rural India is likely to worsen.« less

Effector peptides of the renin-angiotensin system in the central mechanisms of acquired and innate behavior in thirst in rats.

PubMed

Vlasenko, R Ya; Kotov, A V

2007-03-01

We report here a comparative analysis of the involvement of a number of components of the renin-angiotensin system in the performance of simple and complex forms of drinking behavior and thirst-associated non-drinking types of behavior. On central (intracerebroventricular) microinjection, [des-Asp1]-angiotensin I at doses equieffective to those of angiotensins II and III was found to be involved only in the performance of simple (taking water from the bowl) and linked forms of activity (comfort behavior, stress grooming, orientational-investigative, and feeding behavior). Angiotensin II was involved in the central mechanisms of complex acquired drinking behavior, selectively modulating its key stages (initial, final), while angiotensin III was involved only in the mechanisms of reproduction of the complex skill. All three substances induced "innate patterns of behavior" specific for each compound, these occurring at fixed periods of time after intracerebral microinjection. The effects of these substances were selectively suppressed by the AT1 receptor blocker losartan potassium.

Combining galantamine and memantine in multitargeted, new chemical entities potentially useful in Alzheimer's disease.

PubMed

Simoni, Elena; Daniele, Simona; Bottegoni, Giovanni; Pizzirani, Daniela; Trincavelli, Maria L; Goldoni, Luca; Tarozzo, Glauco; Reggiani, Angelo; Martini, Claudia; Piomelli, Daniele; Melchiorre, Carlo; Rosini, Michela; Cavalli, Andrea

2012-11-26

Herein we report on a novel series of multitargeted compounds obtained by linking together galantamine and memantine. The compounds were designed by taking advantage of the crystal structures of acetylcholinesterase (AChE) in complex with galantamine derivatives. Sixteen novel derivatives were synthesized, using spacers of different lengths and chemical composition. The molecules were then tested as inhibitors of AChE and as binders of the N-methyl-d-aspartate (NMDA) receptor (NMDAR). Some of the new compounds were nanomolar inhibitors of AChE and showed micromolar affinities for NMDAR. All compounds were also tested for selectivity toward NMDAR containing the 2B subunit (NR2B). Some of the new derivatives showed a micromolar affinity for NR2B. Finally, selected compounds were tested using a cell-based assay to measure their neuroprotective activity. Three of them showed a remarkable neuroprotective profile, inhibiting the NMDA-induced neurotoxicity at subnanomolar concentrations (e.g., 5, named memagal, IC(50) = 0.28 nM).

Poverty and child health in the UK: using evidence for action

PubMed Central

Wickham, Sophie; Anwar, Elspeth; Barr, Ben; Law, Catherine; Taylor-Robinson, David

2016-01-01

There are currently high levels of child poverty in the UK, and for the first time in almost two decades child poverty has started to rise in absolute terms. Child poverty is associated with a wide range of health-damaging impacts, negative educational outcomes and adverse long-term social and psychological outcomes. The poor health associated with child poverty limits children's potential and development, leading to poor health and life chances in adulthood. This article outlines some key definitions with regard to child poverty, reviews the links between child poverty and a range of health, developmental, behavioural and social outcomes for children, describes gaps in the evidence base and provides an overview of current policies relevant to child poverty in the UK. Finally, the article outlines how child health professionals can take action by (1) supporting policies to reduce child poverty, (2) providing services that reduce the health consequences of child poverty and (3) measuring and understanding the problem and assessing the impact of action. PMID:26857824

The Emerging Medical and Geological Association

PubMed Central

Finkelman, Robert B; Centeno, Jose A; Selinus, Olle

2005-01-01

The impact on human health by natural materials such as water, rocks, and minerals has been known for thousands of years but there have been few systematic, multidisciplinary studies on the relationship between geologic materials and processes and human health (the field of study commonly referred to as medical geology). In the past few years, however, there has been a resurgence of interest in medical geology. Geoscientists working with medical researchers and public health scientists have made important contributions to understanding novel exposure pathways and causes of a wide range of environmental health problems such as: exposure to toxic levels of trace essential and non-essential elements such as arsenic and mercury; trace element deficiencies; exposure to natural dusts and to radioactivity; naturally occurring organic compounds in drinking water; volcanic emissions, etc. By linking with biomedical/public health researchers geoscientists are finally taking advantage of this age-old opportunity to help mitigate environmental health problems. The International Medical Geology Association has recently been formed to support this effort. PMID:16555612

Optimization model for UDWDM-PON deployment based on physical restrictions and asymmetric user's clustering

NASA Astrophysics Data System (ADS)

Arévalo, Germán. V.; Hincapié, Roberto C.; Sierra, Javier E.

2015-09-01

UDWDM PON is a leading technology oriented to provide ultra-high bandwidth to final users while profiting the physical channels' capability. One of the main drawbacks of UDWDM technique is the fact that the nonlinear effects, like FWM, become stronger due to the close spectral proximity among channels. This work proposes a model for the optimal deployment of this type of networks taking into account the fiber length limitations imposed by physical restrictions related with the fiber's data transmission as well as the users' asymmetric distribution in a provided region. The proposed model employs the data transmission related effects in UDWDM PON as restrictions in the optimization problem and also considers the user's asymmetric clustering and the subdivision of the users region though a Voronoi geometric partition technique. Here it is considered de Voronoi dual graph, it is the Delaunay Triangulation, as the planar graph for resolving the problem related with the minimum weight of the fiber links.

Mixed Integer Programming and Heuristic Scheduling for Space Communication Networks

NASA Technical Reports Server (NTRS)

Cheung, Kar-Ming; Lee, Charles H.

2012-01-01

We developed framework and the mathematical formulation for optimizing communication network using mixed integer programming. The design yields a system that is much smaller, in search space size, when compared to the earlier approach. Our constrained network optimization takes into account the dynamics of link performance within the network along with mission and operation requirements. A unique penalty function is introduced to transform the mixed integer programming into the more manageable problem of searching in a continuous space. The constrained optimization problem was proposed to solve in two stages: first using the heuristic Particle Swarming Optimization algorithm to get a good initial starting point, and then feeding the result into the Sequential Quadratic Programming algorithm to achieve the final optimal schedule. We demonstrate the above planning and scheduling methodology with a scenario of 20 spacecraft and 3 ground stations of a Deep Space Network site. Our approach and framework have been simple and flexible so that problems with larger number of constraints and network can be easily adapted and solved.

Human Factors Experiments for Data Link : Final Report

DOT National Transportation Integrated Search

1975-11-01

This report describes the results of a series of experiments to evaluate cockpit Input/Output devices for Data Link as Phase I of a larger project to explore all facets of the digital transmission of air traffic control information. Following prelimi...

Documents Related to the Hazardous Waste Listing of Chlorinated Aliphatics Production Wastes

EPA Pesticide Factsheets

Rulemaking information about the two waste streams from chlorinated aliphatics production that are listed as hazardous including links to the proposed and final rules and a fact sheet about the final rule.

Final state interactions and the transverse structure of the pion using non-perturbative eikonal methods

DOE PAGES

Gamberg, Leonard; Schlegel, Marc

2010-01-18

In the factorized picture of semi-inclusive hadronic processes the naive time reversal-odd parton distributions exist by virtue of the gauge link which renders it color gauge invariant. The link characterizes the dynamical effect of initial/final-state interactions of the active parton due soft gluon exchanges with the target remnant. Though these interactions are non-perturbative, studies of final-state interaction have been approximated by perturbative one-gluon approximation in Abelian models. We include higher-order contributions by applying non-perturbative eikonal methods incorporating color degrees of freedom in a calculation of the Boer-Mulders function of the pion. Lastly, using this framework we explore under what conditionsmore » the Boer Mulders function can be described in terms of factorization of final state interactions and a spatial distribution in impact parameter space.« less

40 CFR 271.21 - Procedures for revision of State programs.

Code of Federal Regulations, 2013 CFR

2013-07-01

... immediate final decision takes effect or reverses the decision. (4) The procedures for proposed and final... Monitoring Activities, Methods Innovation Rule July 14, 2005 70 FR 34538, June 14, 2005 Process Vent and...

40 CFR 271.21 - Procedures for revision of State programs.

Code of Federal Regulations, 2014 CFR

2014-07-01

... immediate final decision takes effect or reverses the decision. (4) The procedures for proposed and final... Monitoring Activities, Methods Innovation Rule July 14, 2005 70 FR 34538, June 14, 2005 Process Vent and...

40 CFR 271.21 - Procedures for revision of State programs.

Code of Federal Regulations, 2011 CFR

2011-07-01

... immediate final decision takes effect or reverses the decision. (4) The procedures for proposed and final... Monitoring Activities, Methods Innovation Rule July 14, 2005 70 FR 34538, June 14, 2005 Process Vent and...

40 CFR 271.21 - Procedures for revision of State programs.

Code of Federal Regulations, 2012 CFR

2012-07-01

... immediate final decision takes effect or reverses the decision. (4) The procedures for proposed and final... Monitoring Activities, Methods Innovation Rule July 14, 2005 70 FR 34538, June 14, 2005 Process Vent and...

40 CFR 271.21 - Procedures for revision of State programs.

Code of Federal Regulations, 2010 CFR

2010-07-01

... immediate final decision takes effect or reverses the decision. (4) The procedures for proposed and final... Monitoring Activities, Methods Innovation Rule July 14, 2005 70 FR 34538, June 14, 2005 Process Vent and...

19 CFR 146.92 - Definitions.

Code of Federal Regulations, 2012 CFR

2012-04-01

... utilizing T.D. 66-16 (see § 146.92(h)), and which takes into account any volumetric loss or gain. (d) Final... been separated into two or more final products. (k) Weighted average. “Weighted average” means the...

19 CFR 146.92 - Definitions.

Code of Federal Regulations, 2011 CFR

2011-04-01

... utilizing T.D. 66-16 (see § 146.92(h)), and which takes into account any volumetric loss or gain. (d) Final... been separated into two or more final products. (k) Weighted average. “Weighted average” means the...

19 CFR 146.92 - Definitions.

Code of Federal Regulations, 2010 CFR

2010-04-01

... utilizing T.D. 66-16 (see § 146.92(h)), and which takes into account any volumetric loss or gain. (d) Final... been separated into two or more final products. (k) Weighted average. “Weighted average” means the...

19 CFR 146.92 - Definitions.

Code of Federal Regulations, 2014 CFR

2014-04-01

... utilizing T.D. 66-16 (see § 146.92(h)), and which takes into account any volumetric loss or gain. (d) Final... been separated into two or more final products. (k) Weighted average. “Weighted average” means the...

19 CFR 146.92 - Definitions.

Code of Federal Regulations, 2013 CFR

2013-04-01

... utilizing T.D. 66-16 (see § 146.92(h)), and which takes into account any volumetric loss or gain. (d) Final... been separated into two or more final products. (k) Weighted average. “Weighted average” means the...

Coparenting Quality During the First Three Months After Birth: The Role of Infant Sleep Quality

PubMed Central

McDaniel, Brandon T.; Teti, Douglas M.

2013-01-01

The transition to parenthood can be stressful for new parents, as parents must learn to take on new roles and responsibilities. Sleep disruption—which has been linked in prior research to parent distress and fatigue—is common in the early months. The current study is the first to our knowledge to examine infant sleep and its potential indirect influence on parents’ perceptions of coparenting quality at 1 and 3 months of infant age. Participants included 150 families. Mothers reported more night waking, poorer sleep quality, more depressive symptoms, and worse perceptions of coparenting quality as compared with fathers. We tested a structural model of infant and parent night waking and sleep quality as predictors of parent distress and coparenting using maximum likelihood estimation. The frequency of infant night waking predicted father and mother night waking, which in turn predicted parent sleep quality. Poor parent sleep quality predicted elevated depressive symptoms, and finally depressive symptoms were negatively related to perceptions of coparenting quality. Significant indirect effects between infant night waking and parent depression and coparenting quality were found. In summary, both mothers’ and fathers’ perceptions of coparenting were related to the unfolding parental dynamics that take place surrounding infant sleep difficulties. This held true even after controlling for parent education, family income, and infant temperament. Therefore, parenting may indirectly benefit from interventions targeting infant sleep difficulties. PMID:23244456

Chronic sleep loss and risk-taking behavior: Does the origin of sleep loss matter?

PubMed

Rusnac, Natalia; Spitzenstetter, Florence; Tassi, Patricia

2018-06-20

Many adolescents and young adults get insufficient sleep. A link between sleep loss and risk-taking behavior has been consistently found in the literature, but surprisingly, the role played by the origin of sleep loss in this link has never been investigated. Sleep loss can be voluntary (instead of sleeping, a significant amount of time is devoted to other activities) or involuntary (caused by a sleep disorder, for example, insomnia). The aim of this research was to investigate whether both types of sleep loss are associated to the same extent with risky behavior. Five hundred thirty-six university students between 19 and 25 years old participated in this study. Three groups were selected: participants with voluntary sleep loss, participants with insomnia, and normal sleepers. We assessed risk-taking behavior in virtual driving situations, as well as drinking habits in terms of quantity and frequency. To further explore the differences between the groups, we also measured sensation seeking, a personality trait related to risk-taking behavior. Compared to participants with insomnia and normal sleepers, participants with voluntary sleep loss take more risks in dangerous driving situations, drink more alcohol, and have higher disinhibition scores on the Sensation-Seeking Scale. On the other hand, no such differences were found between participants with insomnia and normal sleepers, suggesting that sleep loss is not always associated with risk taking. Whether sleep loss is associated with risk-taking behavior or not could depend on the origin of sleep loss and the underlying personality traits.

Bridging Food Webs, Ecosystem Metabolism, and Biogeochemistry Using Ecological Stoichiometry Theory.

PubMed

Welti, Nina; Striebel, Maren; Ulseth, Amber J; Cross, Wyatt F; DeVilbiss, Stephen; Glibert, Patricia M; Guo, Laodong; Hirst, Andrew G; Hood, Jim; Kominoski, John S; MacNeill, Keeley L; Mehring, Andrew S; Welter, Jill R; Hillebrand, Helmut

2017-01-01

Although aquatic ecologists and biogeochemists are well aware of the crucial importance of ecosystem functions, i.e., how biota drive biogeochemical processes and vice-versa, linking these fields in conceptual models is still uncommon. Attempts to explain the variability in elemental cycling consequently miss an important biological component and thereby impede a comprehensive understanding of the underlying processes governing energy and matter flow and transformation. The fate of multiple chemical elements in ecosystems is strongly linked by biotic demand and uptake; thus, considering elemental stoichiometry is important for both biogeochemical and ecological research. Nonetheless, assessments of ecological stoichiometry (ES) often focus on the elemental content of biota rather than taking a more holistic view by examining both elemental pools and fluxes (e.g., organismal stoichiometry and ecosystem process rates). ES theory holds the promise to be a unifying concept to link across hierarchical scales of patterns and processes in ecology, but this has not been fully achieved. Therefore, we propose connecting the expertise of aquatic ecologists and biogeochemists with ES theory as a common currency to connect food webs, ecosystem metabolism, and biogeochemistry, as they are inherently concatenated by the transfer of carbon, nitrogen, and phosphorous through biotic and abiotic nutrient transformation and fluxes. Several new studies exist that demonstrate the connections between food web ecology, biogeochemistry, and ecosystem metabolism. In addition to a general introduction into the topic, this paper presents examples of how these fields can be combined with a focus on ES. In this review, a series of concepts have guided the discussion: (1) changing biogeochemistry affects trophic interactions and ecosystem processes by altering the elemental ratios of key species and assemblages; (2) changing trophic dynamics influences the transformation and fluxes of matter across environmental boundaries; (3) changing ecosystem metabolism will alter the chemical diversity of the non-living environment. Finally, we propose that using ES to link nutrient cycling, trophic dynamics, and ecosystem metabolism would allow for a more holistic understanding of ecosystem functions in a changing environment.

24 CFR 200.204 - What actions may HUD take against unsatisfactory appraisers on the Appraiser Roster?

Code of Federal Regulations, 2010 CFR

2010-04-01

... appraiser; (vi) Being issued a final debarment, suspension, or limited denial of participation; (vii... you have been issued a final debarment, suspension, or limited denial of participation, in which case...) Automatic removal for issuance of final debarment, suspension, or limited denial of participation. If you...

Dissemination of Continuing Education Materials Via Television Delivery Systems. Final Technical Report and Final Report.

ERIC Educational Resources Information Center

Munushian, Jack

In 1972, the University of Southern California School of Engineering established a 4-channel interactive instructional television network. It was designed to allow employees of participating industries to take regular university science and engineering courses and special continuing education courses at or near their work locations. Final progress…

Botswana and Swaziland: report links violations of women's rights to HIV.

PubMed

Krauss, Kate

2007-12-01

In May 2007, Physicians for Human Rights (PHR) released a report investigating the links between discriminatory views against women in Botswana and Swaziland and sexual risk-taking and, in turn, extremely high HIV prevalence in those countries. The report also examines the role of women's lack of political and economic power in those countries, and the connection to HIV infection.

Taking Interaction in Literacy Events Seriously: A Conversation Analysis Approach to Evolving Literacy Practices in the Classroom

ERIC Educational Resources Information Center

Tanner, Marie

2017-01-01

In this article, I examine the relation between literacy events and literacy practices in classroom interaction and add to ongoing discussions in the field of NLS about the transcontextual nature of literacy and how local literacy events are linked to broader literacy practices. It specifically focuses on how the link between literacy events and…

Towards the Improvement of the Student Experience of Assessment and Feedback in Construction Management Education

ERIC Educational Resources Information Center

Scott, Lloyd; Fortune, Chris

2013-01-01

It is widely accepted across Higher Education that assessment practices have a link with learning and a key factor in this link is formative assessment. Formative assessment is generally defined as taking place during a module/programme with the express purpose of improving and enhancing student learning. It is important to understand how…

NITROGEN UPTAKE AND ASSIMILATION IN ENTEROMORPHA INTESTINALIS (L.) LINK (CHLOROPHYTA): USING 15N TO DETERMINE PREFERENCE DURING SIMULTANEOUS PULSES OF NITRATE AND AMMONIUM. (R827637)

EPA Science Inventory

We investigated the ability of Enteromorpha intestinalis (L.) Link to take up pulses of different species of nitrogen simultaneously, as this would be an important mechanism to enhance bloom ability in estuaries. Uptake rates and preference for NH₄⁺

Offdiagonal complexity: A computationally quick complexity measure for graphs and networks

NASA Astrophysics Data System (ADS)

Claussen, Jens Christian

2007-02-01

A vast variety of biological, social, and economical networks shows topologies drastically differing from random graphs; yet the quantitative characterization remains unsatisfactory from a conceptual point of view. Motivated from the discussion of small scale-free networks, a biased link distribution entropy is defined, which takes an extremum for a power-law distribution. This approach is extended to the node-node link cross-distribution, whose nondiagonal elements characterize the graph structure beyond link distribution, cluster coefficient and average path length. From here a simple (and computationally cheap) complexity measure can be defined. This offdiagonal complexity (OdC) is proposed as a novel measure to characterize the complexity of an undirected graph, or network. While both for regular lattices and fully connected networks OdC is zero, it takes a moderately low value for a random graph and shows high values for apparently complex structures as scale-free networks and hierarchical trees. The OdC approach is applied to the Helicobacter pylori protein interaction network and randomly rewired surrogates.

NOAA Photo Libary - Welcome

Science.gov Websites

Collections page. Takes you to the search page. Takes you to the Links page. welcome noaa logo with sea and violent weather, as long as mariners need nautical charts, and as long as creatures of the sea need our World's oceans and atmosphere, carries you from the surface of the sun to the bottom of the sea, and

Take the First Heuristic, Self-Efficacy, and Decision-Making in Sport

ERIC Educational Resources Information Center

Hepler, Teri J.; Feltz, Deborah L.

2012-01-01

Can taking the first (TTF) option in decision-making lead to the best decisions in sports contexts? And, is one's decision-making self-efficacy in that context linked to TTF decisions? The purpose of this study was to examine the role of the TTF heuristic and self-efficacy in decision-making on a simulated sports task. Undergraduate and graduate…

NOAA Photo Library - Geodesy

Science.gov Websites

Collections page. Takes you to the search page. Takes you to the Links page. Collage with Earth Image and the words Geodesy The Earth is round - true or false? FALSE!!!! The Earth is a solid known as an oblate the work of geodesists who measure and study the shape of the Earth. Geodesy is the science of

Risk-Taking Tendencies and Radon Messages: A Field Experiment Testing an Information Processing Model for Risk Communication.

ERIC Educational Resources Information Center

Ferguson, M. A.; Valenti, JoAnn Myer

Using radon (a naturally-occurring radioactive gas linked to lung cancer) as the health risk factor, a study examined which risk-taking tendencies interact with different health-risk message strategies. A phone survey pretested 837 randomly selected homeowners from three Florida counties with the highest levels of radon in the state (706 agreed to…

Preparing for Local Labor: Curricular Stratification across Local Economies in the United States

PubMed Central

Sutton, April

2017-01-01

I investigate how the educational demands of local labor markets shape high school course offerings and student course taking. Using the Education Longitudinal Study of 2002 linked to the U.S. Census 2000, I focus on local economic variation in the share of jobs that do not demand a bachelor’s degree. I find that schools in local labor markets with higher concentrations of subbaccalaureate jobs devote a larger share of their course offerings to career and technical education (CTE) courses and a smaller share to advanced college-preparatory courses compared to schools in labor markets with lower concentrations of subbaccalaureate jobs, even net of school resources. Students in labor markets with higher concentrations of subbaccalaureate jobs take greater numbers of CTE courses, and higher-achieving students in these labor markets are less likely to take advanced math and Advanced Placement/International Baccalaureate courses. These course-taking disparities are largely due to school course offerings. This study shows how local economic inequalities shape high school curricular stratification, and suggests that school curricula linked to the educational demands of local jobs delimits the college preparation opportunities of high-achieving students. PMID:29531407

Preparing for Local Labor: Curricular Stratification across Local Economies in the United States.

PubMed

Sutton, April

2017-04-01

I investigate how the educational demands of local labor markets shape high school course offerings and student course taking. Using the Education Longitudinal Study of 2002 linked to the U.S. Census 2000, I focus on local economic variation in the share of jobs that do not demand a bachelor's degree. I find that schools in local labor markets with higher concentrations of subbaccalaureate jobs devote a larger share of their course offerings to career and technical education (CTE) courses and a smaller share to advanced college-preparatory courses compared to schools in labor markets with lower concentrations of subbaccalaureate jobs, even net of school resources. Students in labor markets with higher concentrations of subbaccalaureate jobs take greater numbers of CTE courses, and higher-achieving students in these labor markets are less likely to take advanced math and Advanced Placement/International Baccalaureate courses. These course-taking disparities are largely due to school course offerings. This study shows how local economic inequalities shape high school curricular stratification, and suggests that school curricula linked to the educational demands of local jobs delimits the college preparation opportunities of high-achieving students.

Controller evaluation of initial terminal data link ATC services : mini study 3 : final report

DOT National Transportation Integrated Search

1992-12-01

This report documents the third Federal Aviation Administration (FAA) controller : evaluation of an initial group of four terminal air traffic control (ATC) : services and functions which are under development for implementation on a Data : Link air-...

TWSTFT Link Calibration Report

DTIC Science & Technology

2015-09-01

1 Annex II. TWSTFT link calibration with a GPS calibrator Calibration reference: CI-888-2015 Version history: ZJ/V0/25Feb2015, V0a,b/HE/ZJ...7Mar; V0s/VZ9Mar; V0d,e,f+/DM10,17Mar; V1.0/1Apr; Final version 1Sept2015 TWSTFT link calibration report -- Calibration of the Lab(k)-PTB UTC...bipm.org * Coordinator Abstract This report includes the calibration results of the Lab(k)-PTB TWSTFT link and closure measurements of the BIPM

Effective Classroom Management and Instruction: An Exploration of Models. Executive Summary of Final Report.

ERIC Educational Resources Information Center

Evertson, Carolyn M.; And Others

A summary is presented of the final report, "Effective Classroom Management and Instruction: An Exploration of Models." The final report presents a set of linked investigations of the effects of training teachers in effective classroom management practices in a series of school-based workshops. Four purposes were addressed by the study: (1) to…

76 FR 62378 - Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-10-07

... resulting from ordnance. DPI could result from inert bombs, gunnery ammunition, and shrapnel from live...-explosive items (bombs, missiles, and drones) to impact marine mammals. As shown in the 2002 Final PEA and...

75 FR 5045 - Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-02-01

... inert bombs, gunnery ammunition, and shrapnel from live missiles falling into the water. However, the...-explosive items (bombs, missiles, and drones) to impact marine mammals. As shown in the 2002 Final PEA and...

Dose-specific adverse drug reaction identification in electronic patient records: temporal data mining in an inpatient psychiatric population.

PubMed

Eriksson, Robert; Werge, Thomas; Jensen, Lars Juhl; Brunak, Søren

2014-04-01

Data collected for medical, filing and administrative purposes in electronic patient records (EPRs) represent a rich source of individualised clinical data, which has great potential for improved detection of patients experiencing adverse drug reactions (ADRs), across all approved drugs and across all indication areas. The aim of this study was to take advantage of techniques for temporal data mining of EPRs in order to detect ADRs in a patient- and dose-specific manner. We used a psychiatric hospital's EPR system to investigate undesired drug effects. Within one workflow the method identified patient-specific adverse events (AEs) and links these to specific drugs and dosages in a temporal manner, based on integration of text mining results and structured data. The structured data contained precise information on drug identity, dosage and strength. When applying the method to the 3,394 patients in the cohort, we identified AEs linked with a drug in 2,402 patients (70.8 %). Of the 43,528 patient-specific drug substances prescribed, 14,736 (33.9 %) were linked with AEs. From these links we identified multiple ADRs (p < 0.05) and found them to occur at similar frequencies, as stated by the manufacturer and in the literature. We showed that drugs displaying similar ADR profiles share targets, and we compared submitted spontaneous AE reports with our findings. For nine of the ten most prescribed antipsychotics in the patient population, larger doses were prescribed to sedated patients than non-sedated patients; five antipsychotics [corrected] exhibited a significant difference (p<0.05). Finally, we present two cases (p < 0.05) identified by the workflow. The method identified the potentially fatal AE QT prolongation caused by methadone, and a non-described likely ADR between levomepromazine and nightmares found among the hundreds of identified novel links between drugs and AEs (p < 0.05). The developed method can be used to extract dose-dependent ADR information from already collected EPR data. Large-scale AE extraction from EPRs may complement or even replace current drug safety monitoring methods in the future, reducing or eliminating manual reporting and enabling much faster ADR detection.

Link Analysis of High Throughput Spacecraft Communication Systems for Future Science Missions

NASA Technical Reports Server (NTRS)

Simons, Rainee N.

2015-01-01

NASA's plan to launch several spacecrafts into low Earth Orbit (LEO) to support science missions in the next ten years and beyond requires down link throughput on the order of several terabits per day. The ability to handle such a large volume of data far exceeds the capabilities of current systems. This paper proposes two solutions, first, a high data rate link between the LEO spacecraft and ground via relay satellites in geostationary orbit (GEO). Second, a high data rate direct to ground link from LEO. Next, the paper presents results from computer simulations carried out for both types of links taking into consideration spacecraft transmitter frequency, EIRP, and waveform; elevation angle dependent path loss through Earths atmosphere, and ground station receiver GT.

Link Analysis of High Throughput Spacecraft Communication Systems for Future Science Missions

NASA Technical Reports Server (NTRS)

Simons, Rainee N.

2015-01-01

NASA's plan to launch several spacecraft into low Earth Orbit (LEO) to support science missions in the next ten years and beyond requires down link throughput on the order of several terabits per day. The ability to handle such a large volume of data far exceeds the capabilities of current systems. This paper proposes two solutions, first, a high data rate link between the LEO spacecraft and ground via relay satellites in geostationary orbit (GEO). Second, a high data rate direct to ground link from LEO. Next, the paper presents results from computer simulations carried out for both types of links taking into consideration spacecraft transmitter frequency, EIRP, and waveform; elevation angle dependent path loss through Earths atmosphere, and ground station receiver GT.

Taking up or turning down: new estimates of household demand for employer-sponsored health insurance.

PubMed

Abraham, Jean Marie; Feldman, Roger

2010-01-01

This study provides new estimates of demand for employer-sponsored health insurance, using the 1997-2001 linked Household Component-Insurance Component of the Medical Expenditure Panel Survey (MEPS). Our focus is on households' decisions to take up coverage through a worker's employer. We found a significant inverse relationship between the out-of-pocket premium and the probability of taking up coverage, with the price effect considerably larger when we used instrumental variables methods to account for endogenous out-of-pocket premiums. Additionally, workers in families with more children eligible for Medicaid were less likely to take up coverage.

The pathway of obstructed labour as perceived by communities in south-western Uganda: a grounded theory study

PubMed Central

Kabakyenga, Jerome K.; Östergren, Per-Olof; Emmelin, Maria; Kyomuhendo, Phionah; Odberg Pettersson, Karen

2011-01-01

Background Obstructed labour is still a major cause of maternal and perinatal morbidity and mortality in Uganda, where many women give birth at home alone or assisted by non-skilled birth attendants. Little is known of how the community view obstructed labour, and what actions they take in cases where this complication occurs. Objective The objective of the study was to explore community members’ understanding of and actions taken in cases of obstructed labour in south-western Uganda. Design Grounded theory (GT) was used to analyse data from 20 focus group discussions (FGDs), 10 with women and 10 with men, which were conducted in eight rural and two urban communities. Results A conceptual model based on the community members’ understanding of obstructed labour and actions taken in response is presented as a pathway initiated by women's desire to ‘protecting own integrity’ (core category). The pathway consisted of six other categories closely linked to the core category, namely: (1) ‘taking control of own birth process’; (2) ‘reaching the limit – failing to give birth’ (individual level); (3) ‘exhausting traditional options’; (4) ‘partner taking charge’; (5) ‘facing challenging referral conditions’ (community level); and finally (6) ‘enduring a non-responsive healthcare system’ (healthcare system level). Conclusions There is a need to understand and acknowledge women's reluctance to involve others during childbirth. However, the healthcare system should provide acceptable care and a functional referral system closer to the community, thus supporting the community's ability to seek timely care as a response to obstructed labour. Easy access to mobile phones may improve referral systems. Upgrading of infrastructure in the region requires a multi-sectoral approach. Testing of the conceptual model through a quantitative questionnaire is recommended. PMID:22216018

X-Linked Agammaglobulinemia (XLA)

MedlinePlus

... Award Negotiation & Initial Award After Award Foreign Grants Management Getting Your Initial International Award Actions You Can Take as the Project Leader on a Foreign Grant Subawards for Foreign ...

Size-density scaling in protists and the links between consumer-resource interaction parameters.

PubMed

DeLong, John P; Vasseur, David A

2012-11-01

Recent work indicates that the interaction between body-size-dependent demographic processes can generate macroecological patterns such as the scaling of population density with body size. In this study, we evaluate this possibility for grazing protists and also test whether demographic parameters in these models are correlated after controlling for body size. We compiled data on the body-size dependence of consumer-resource interactions and population density for heterotrophic protists grazing algae in laboratory studies. We then used nested dynamic models to predict both the height and slope of the scaling relationship between population density and body size for these protists. We also controlled for consumer size and assessed links between model parameters. Finally, we used the models and the parameter estimates to assess the individual- and population-level dependence of resource use on body-size and prey-size selection. The predicted size-density scaling for all models matched closely to the observed scaling, and the simplest model was sufficient to predict the pattern. Variation around the mean size-density scaling relationship may be generated by variation in prey productivity and area of capture, but residuals are relatively insensitive to variation in prey size selection. After controlling for body size, many consumer-resource interaction parameters were correlated, and a positive correlation between residual prey size selection and conversion efficiency neutralizes the apparent fitness advantage of taking large prey. Our results indicate that widespread community-level patterns can be explained with simple population models that apply consistently across a range of sizes. They also indicate that the parameter space governing the dynamics and the steady states in these systems is structured such that some parts of the parameter space are unlikely to represent real systems. Finally, predator-prey size ratios represent a kind of conundrum, because they are widely observed but apparently have little influence on population size and fitness, at least at this level of organization. © 2012 The Authors. Journal of Animal Ecology © 2012 British Ecological Society.

Final Approval of Arizona Air Plan Revision; Stationary Sources; New Source Review; Ammonia

EPA Pesticide Factsheets

EPA is taking final action to approve a revision to a portion of the Arizona State Implementation Plan (SIP) concerning issuance of New Source Review (NSR) permits for stationary sources related to ammonia.

50 CFR 11.24 - Final administrative action.

Code of Federal Regulations, 2010 CFR

2010-10-01

... TAKING, POSSESSION, TRANSPORTATION, SALE, PURCHASE, BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND... law judge's decision shall constitute the final administrative determination of the Secretary in the matter and shall become effective 30 calendar days from the date of the decision. ...

DYT1 dystonia increases risk taking in humans

PubMed Central

Arkadir, David; Radulescu, Angela; Raymond, Deborah; Lubarr, Naomi; Bressman, Susan B; Mazzoni, Pietro; Niv, Yael

2016-01-01

It has been difficult to link synaptic modification to overt behavioral changes. Rodent models of DYT1 dystonia, a motor disorder caused by a single gene mutation, demonstrate increased long-term potentiation and decreased long-term depression in corticostriatal synapses. Computationally, such asymmetric learning predicts risk taking in probabilistic tasks. Here we demonstrate abnormal risk taking in DYT1 dystonia patients, which is correlated with disease severity, thereby supporting striatal plasticity in shaping choice behavior in humans. DOI: http://dx.doi.org/10.7554/eLife.14155.001 PMID:27249418

Communication Interactions: It Takes Two [and] Receptive Communication: How Children Understand Your Messages to Them [and] Expressive Communication: How Children Send Their Messages to You. DB-Link Fact Sheets. Revised.

ERIC Educational Resources Information Center

Stremel, Kathleen; Wilson, Rebecca M.

This document consists of three separately published fact sheets combined here because of the close relationship of their subject matter. The first fact sheet, "Communication Interactions: It Takes Two" (Kathleen Stremel), defines communication; suggests ways to find opportunities for interactive communication; offers specific suggestions for…

NOAA Photo Library - NOAA In Space Collection/Space Vehicles

Science.gov Websites

Collections page. Takes you to the search page. Takes you to the Links page. NOAA In Space space vehicles banner How do you get cameras, infra-red sensors, microwave sensors into space so they can observe the the above option to view ALL current images. NOAA In Space ~ Space Vehicles Album drawing of TIROS

West Europe Report

DTIC Science & Technology

1985-08-02

public education, and of Greeks residing abroad. Also it is taking over cultural matters related to tourism , for example the Festival , in cooperation...Also, it takes over cultural matters that relate to tourism , for example, festivals , in cooperation with the EOT. (Two deputy minister positions...Theodorakis is closely linked with his musical works that created a new era in Greek music and Greek songs that remained for the Greek people a symbol

Developing clinical indicators for the secondary health system in India.

PubMed

Thakur, Harshad; Chavhan, S; Jotkar, Raju; Mukherjee, Kanchan

2008-08-01

One of the prime goals of any health system is to deliver good and competent quality of healthcare. Through World Bank-assisted Maharashtra Health Systems Development Project, Government of Maharashtra in India developed and implemented clinical indicators to improve quality. During this, clinical areas eligible for monitoring quality of care and roles of health staff working at various levels were identified. Brainstorming discussion sessions were conducted to refine list of potential clinical indicators and to identify implementation problems. It was implemented in four stages. (a) Self-explanatory tool of record, standard operating procedures and training manual were prepared during tools preparation stage. (b) Pilot implementation was done to monitor the usefulness of indicators, document the experiences and standardize the system accordingly. (c) The final selection of indicators was done taking into consideration points like data reliability, indicator usefulness etc. For final implementation, 15 indicators for district and 6 indicators for rural hospitals were selected. (d) Transfer of skills was done through training of various hospital functionaries. Selection and prioritization of clinical indicators is the most crucial part. Active participation of local employees is essential for sustainability of the scheme. It is also important to ensure that data recorded/reported is both reliable and valid, to conduct monthly review of the scheme at various levels and to link it with the quality improvement programme.

Rapid prototyping strategy for a surgical data warehouse.

PubMed

Tang, S-T; Huang, Y-F; Hsiao, M-L; Yang, S-H; Young, S-T

2003-01-01

Healthcare processes typically generate an enormous volume of patient information. This information largely represents unexploited knowledge, since current hospital operational systems (e.g., HIS, RIS) are not suitable for knowledge exploitation. Data warehousing provides an attractive method for solving these problems, but the process is very complicated. This study presents a novel strategy for effectively implementing a healthcare data warehouse. This study adopted the rapid prototyping (RP) method, which involves intensive interactions. System developers and users were closely linked throughout the life cycle of the system development. The presence of iterative RP loops meant that the system requirements were increasingly integrated and problems were gradually solved, such that the prototype system evolved into the final operational system. The results were analyzed by monitoring the series of iterative RP loops. First a definite workflow for ensuring data completeness was established, taking a patient-oriented viewpoint when collecting the data. Subsequently the system architecture was determined for data retrieval, storage, and manipulation. This architecture also clarifies the relationships among the novel system and legacy systems. Finally, a graphic user interface for data presentation was implemented. Our results clearly demonstrate the potential for adopting an RP strategy in the successful establishment of a healthcare data warehouse. The strategy can be modified and expanded to provide new services or support new application domains. The design patterns and modular architecture used in the framework will be useful in solving problems in different healthcare domains.

Personal Identity Development in Hispanic Immigrant Adolescents: Links with Positive Psychosocial Functioning, Depressive Symptoms, and Externalizing Problems

PubMed Central

Unger, Jennifer B.; Meca, Alan; Lorenzo-Blanco, Elma I.; Baezconde-Garbanati, Lourdes; Cano, Miguel Ángel; Piña-Watson, Brandy; Szapocznik, José; Zamboanga, Byron L.; Córdova, David; Romero, Andrea J.; Lee, Tae Kyoung; Soto, Daniel W.; Villamar, Juan A.; Lizzi, Karina M.; Des Rosiers, Sabrina E.; Pattarroyo, Monica

2016-01-01

The present study was designed to examine trajectories of personal identity coherence and confusion among Hispanic recent-immigrant adolescents, as well as the effects of these trajectories on psychosocial and risk-taking outcomes. Personal identity is extremely important in anchoring young immigrants during a time of acute cultural change. A sample of 302 recently immigrated (5 years or less in the United States at baseline) Hispanic adolescents (Mage = 14.51 years at baseline; SD = 0.88 years, range 14–17) from Miami and Los Angeles (47 % girls) completed measures of personal identity coherence and confusion at the first five waves of a six-wave longitudinal study; and reported on positive psychosocial functioning, depressive symptoms, and externalizing problems at baseline and at Time 6. Results indicated that identity coherence increased linearly across time, but that there were no significant changes in confusion over time and no individual differences in confusion trajectories. Higher baseline levels of, and improvements in, coherence predicted higher levels of self-esteem, optimism, and prosocial behavior at the final study timepoint. Higher baseline levels of confusion predicted lower self-esteem, greater depressive symptoms, more aggressive behavior, and more rule breaking at the final study timepoint. These results are discussed in terms of the importance of personal identity for Hispanic immigrant adolescents, and in terms of implications for intervention. PMID:27882458

Personal Identity Development in Hispanic Immigrant Adolescents: Links with Positive Psychosocial Functioning, Depressive Symptoms, and Externalizing Problems.

PubMed

Schwartz, Seth J; Unger, Jennifer B; Meca, Alan; Lorenzo-Blanco, Elma I; Baezconde-Garbanati, Lourdes; Cano, Miguel Ángel; Piña-Watson, Brandy; Szapocznik, José; Zamboanga, Byron L; Córdova, David; Romero, Andrea J; Lee, Tae Kyoung; Soto, Daniel W; Villamar, Juan A; Lizzi, Karina M; Des Rosiers, Sabrina E; Pattarroyo, Monica

2017-04-01

The present study was designed to examine trajectories of personal identity coherence and confusion among Hispanic recent-immigrant adolescents, as well as the effects of these trajectories on psychosocial and risk-taking outcomes. Personal identity is extremely important in anchoring young immigrants during a time of acute cultural change. A sample of 302 recently immigrated (5 years or less in the United States at baseline) Hispanic adolescents (M age  = 14.51 years at baseline; SD = 0.88 years, range 14-17) from Miami and Los Angeles (47 % girls) completed measures of personal identity coherence and confusion at the first five waves of a six-wave longitudinal study; and reported on positive psychosocial functioning, depressive symptoms, and externalizing problems at baseline and at Time 6. Results indicated that identity coherence increased linearly across time, but that there were no significant changes in confusion over time and no individual differences in confusion trajectories. Higher baseline levels of, and improvements in, coherence predicted higher levels of self-esteem, optimism, and prosocial behavior at the final study timepoint. Higher baseline levels of confusion predicted lower self-esteem, greater depressive symptoms, more aggressive behavior, and more rule breaking at the final study timepoint. These results are discussed in terms of the importance of personal identity for Hispanic immigrant adolescents, and in terms of implications for intervention.

Neural Underpinnings of Decision Strategy Selection: A Review and a Theoretical Model.

PubMed

Wichary, Szymon; Smolen, Tomasz

2016-01-01

In multi-attribute choice, decision makers use decision strategies to arrive at the final choice. What are the neural mechanisms underlying decision strategy selection? The first goal of this paper is to provide a literature review on the neural underpinnings and cognitive models of decision strategy selection and thus set the stage for a neurocognitive model of this process. The second goal is to outline such a unifying, mechanistic model that can explain the impact of noncognitive factors (e.g., affect, stress) on strategy selection. To this end, we review the evidence for the factors influencing strategy selection, the neural basis of strategy use and the cognitive models of this process. We also present the Bottom-Up Model of Strategy Selection (BUMSS). The model assumes that the use of the rational Weighted Additive strategy and the boundedly rational heuristic Take The Best can be explained by one unifying, neurophysiologically plausible mechanism, based on the interaction of the frontoparietal network, orbitofrontal cortex, anterior cingulate cortex and the brainstem nucleus locus coeruleus. According to BUMSS, there are three processes that form the bottom-up mechanism of decision strategy selection and lead to the final choice: (1) cue weight computation, (2) gain modulation, and (3) weighted additive evaluation of alternatives. We discuss how these processes might be implemented in the brain, and how this knowledge allows us to formulate novel predictions linking strategy use and neural signals.

Electro-Responsive Behaviour Multi-Wall Nanotubes/Gelatin Composites and Cross-Linked Gelatin Electrospun Mats

DTIC Science & Technology

2008-02-11

sample , could explain large swelling in blend samples which might enhance ions diffusion and lead to an increase of bending. 21 References [1...1 Final Report on Electro-responsive behaviour multi-wall nanotubes/gelatin composites and cross-linked gelatin electrospun mats...12-10-2007 4. TITLE AND SUBTITLE Electro-responsive behaviour multi-wall nanotubes/gelatin composites and cross-linked gelatin electrospun mats

A Course in Chemical Reactor Design.

ERIC Educational Resources Information Center

Takoudis, Christos G.

1983-01-01

Presents course outline, topics covered, and final project (doubling as a take home final exam) for a one-semester, interdisciplinary course on the design and behavior of chemical reactors. Interplay of chemical and physical rate processes is stressed in the course. (JM)

Final Approval of California Air Plan Revision; Mobile Source Regulations

EPA Pesticide Factsheets

EPA is taking final action to approve a submittal by California to revise its SIP regulations establishing standards and requirements relating to the control of emissions from new and in-use ond and off-road vehicles and engines..

Space Station communications and tracking systems modeling and RF link simulation

NASA Technical Reports Server (NTRS)

Tsang, Chit-Sang; Chie, Chak M.; Lindsey, William C.

1986-01-01

In this final report, the effort spent on Space Station Communications and Tracking System Modeling and RF Link Simulation is described in detail. The effort is mainly divided into three parts: frequency division multiple access (FDMA) system simulation modeling and software implementation; a study on design and evaluation of a functional computerized RF link simulation/analysis system for Space Station; and a study on design and evaluation of simulation system architecture. This report documents the results of these studies. In addition, a separate User's Manual on Space Communications Simulation System (SCSS) (Version 1) documents the software developed for the Space Station FDMA communications system simulation. The final report, SCSS user's manual, and the software located in the NASA JSC system analysis division's VAX 750 computer together serve as the deliverables from LinCom for this project effort.

Modelling of 10 Gbps Free Space Optics Communication Link Using Array of Receivers in Moderate and Harsh Weather Conditions

NASA Astrophysics Data System (ADS)

Gupta, Amit; Shaina, Nagpal

2017-08-01

Intersymbol interference and attenuation of signal are two major parameters affecting the quality of transmission in Free Space Optical (FSO) Communication link. In this paper, the impact of these parameters on FSO communication link is analysed for delivering high-quality data transmission. The performance of the link is investigated under the influence of amplifier in the link. The performance parameters of the link like minimum bit error rate, received signal power and Quality factor are examined by employing erbium-doped fibre amplifier in the link. The effects of amplifier are visualized with the amount of received power. Further, the link is simulated for moderate weather conditions at various attenuation levels on transmitted signal. Finally, the designed link is analysed in adverse weather conditions by using high-power laser source for optimum performance.

Drug Allergy

MedlinePlus

... Loss of consciousness Other conditions resulting from drug allergy Less common drug allergy reactions occur days or ... you take the drug. Drugs commonly linked to allergies Although any drug can cause an allergic reaction, ...

SRAC

Science.gov Websites

to take advantage of the best aquaculture science, education skills, and facilities in the United and shared funding are strongly encouraged. RAC Projects 2010-2012: Use the links below to access

26 CFR 1.1313(a)-3 - Final disposition of claim for refund as a determination.

Code of Federal Regulations, 2014 CFR

2014-04-01

.... A determination may take the form of a final disposition of a claim for refund. Such disposition may... becomes final upon the expiration of the time allowed by section 6532 for instituting suit on the claim for refund, unless the suit is instituted prior to the expiration of such period, if: (1) The taxpayer...

26 CFR 1.1313(a)-3 - Final disposition of claim for refund as a determination.

Code of Federal Regulations, 2012 CFR

2012-04-01

.... A determination may take the form of a final disposition of a claim for refund. Such disposition may... becomes final upon the expiration of the time allowed by section 6532 for instituting suit on the claim for refund, unless the suit is instituted prior to the expiration of such period, if: (1) The taxpayer...

26 CFR 1.1313(a)-3 - Final disposition of claim for refund as a determination.

Code of Federal Regulations, 2013 CFR

2013-04-01

.... A determination may take the form of a final disposition of a claim for refund. Such disposition may... becomes final upon the expiration of the time allowed by section 6532 for instituting suit on the claim for refund, unless the suit is instituted prior to the expiration of such period, if: (1) The taxpayer...

26 CFR 1.1313(a)-3 - Final disposition of claim for refund as a determination.

Code of Federal Regulations, 2011 CFR

2011-04-01

.... A determination may take the form of a final disposition of a claim for refund. Such disposition may... becomes final upon the expiration of the time allowed by section 6532 for instituting suit on the claim for refund, unless the suit is instituted prior to the expiration of such period, if: (1) The taxpayer...

Impact of observational incompleteness on the structural properties of protein interaction networks

NASA Astrophysics Data System (ADS)

Kuhnt, Mathias; Glauche, Ingmar; Greiner, Martin

2007-01-01

The observed structure of protein interaction networks is corrupted by many false positive/negative links. This observational incompleteness is abstracted as random link removal and a specific, experimentally motivated (spoke) link rearrangement. Their impact on the structural properties of gene-duplication-and-mutation network models is studied. For the degree distribution a curve collapse is found, showing no sensitive dependence on the link removal/rearrangement strengths and disallowing a quantitative extraction of model parameters. The spoke link rearrangement process moves other structural observables, like degree correlations, cluster coefficient and motif frequencies, closer to their counterparts extracted from the yeast data. This underlines the importance to take a precise modeling of the observational incompleteness into account when network structure models are to be quantitatively compared to data.

78 FR 17835 - Approval and Promulgation of Federal Implementation Plan for Oil and Natural Gas Well Production...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-03-22

...The EPA is taking final action to promulgate a Reservation- specific Federal Implementation Plan in order to regulate emissions from oil and natural gas production facilities located on the Fort Berthold Indian Reservation in North Dakota. The Federal Implementation Plan includes basic air quality regulations for the protection of communities in and adjacent to the Fort Berthold Indian Reservation. The Federal Implementation Plan requires owners and operators of oil and natural gas production facilities to reduce emissions of volatile organic compounds emanating from well completions, recompletions, and production and storage operations. This Federal Implementation Plan will be implemented by the EPA, or a delegated tribal authority, until replaced by a Tribal Implementation Plan. The EPA proposed a Reservation-specific Federal Implementation Plan concurrently with an interim final rule on August 15, 2012. This final Federal Implementation Plan replaces the interim final rule in all intents and purposes on the effective date of the final rule. The EPA is taking this action pursuant to the Clean Air Act (CAA).

GENERAL VIEW OF THE FINAL PRODUCTION LINE OF THE FIRST ...

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

GENERAL VIEW OF THE FINAL PRODUCTION LINE OF THE FIRST B-29 SHOWING THE LINK-BELT CONVEYOR SYSTEM AND WOOD BLOCK FLOORING. WHO, 1944 - Offutt Air Force Base, Glenn L. Martin-Nebraska Bomber Plant, Building D, Peacekeeper Drive, Bellevue, Sarpy County, NE

76 FR 72619 - User Fee To Take the Registered Tax Return Preparer Competency Examination

Federal Register 2010, 2011, 2012, 2013, 2014

2011-11-25

..., 2011)), provide that only attorneys, certified public accountants, enrolled agents, and registered tax... Fee To Take the Registered Tax Return Preparer Competency Examination AGENCY: Internal Revenue Service... regulations. The final regulations redesignate rules pertaining to fees for obtaining a preparer tax...

40 CFR 271.3 - Availability of final authorization.

Code of Federal Regulations, 2014 CFR

2014-07-01

... authority of the Hazardous Waste Electronic Manifest Establishment Act: (i) Shall take effect in each State.... 271.3 Section 271.3 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES (CONTINUED) REQUIREMENTS FOR AUTHORIZATION OF STATE HAZARDOUS WASTE PROGRAMS Requirements for Final...

Final Rule for Control of Hazardous Air Pollutants From Mobile Sources: Early Credit Technology Requirement Revision

EPA Pesticide Factsheets

EPA is taking final action to revise the February 26, 2007 mobile source air toxics rule’s requirements that specify which benzene control technologies a refiner may utilize to qualify to generate early benzene credits.

Direct Final Rule Approving Relaxation of Summer Gasoline Volatility Standard for Grant Parish Area

EPA Pesticide Factsheets

EPA is taking direct final action to relax the federal volatility (RVP) standard applicable to summer gasoline supplied to the Grand Parish, Louisiana area from 7.8 pounds per square inch (psi) to 9.0 psi.

PRELIM: Predictive Relevance Estimation from Linked Models

DTIC Science & Technology

2014-10-14

code ) 14-10-2014 Final Report 11-07-2014 to 14-10-2014 PRELIM: Predictive Relevance Estimation from Linked Models N00014-14-P-1185 10257H. Van Dyke...Parunak, Ph.D. Soar Technology, Inc. 1 Executive  Summary   PRELIM (Predictive Relevance Estimation from Linked Models) draws on semantic models...The central challenge in proactive decision support is to anticipate the decision and information needs of decision-makers, in the light of likely

Security Investment in Contagious Networks.

PubMed

Hasheminasab, Seyed Alireza; Tork Ladani, Behrouz

2018-01-16

Security of the systems is normally interdependent in such a way that security risks of one part affect other parts and threats spread through the vulnerable links in the network. So, the risks of the systems can be mitigated through investments in the security of interconnecting links. This article takes an innovative look at the problem of security investment of nodes on their vulnerable links in a given contagious network as a game-theoretic model that can be applied to a variety of applications including information systems. In the proposed game model, each node computes its corresponding risk based on the value of its assets, vulnerabilities, and threats to determine the optimum level of security investments on its external links respecting its limited budget. Furthermore, direct and indirect nonlinear influences of a node's security investment on the risks of other nodes are considered. The existence and uniqueness of the game's Nash equilibrium in the proposed game are also proved. Further analysis of the model in a practical case revealed that taking advantage of the investment effects of other players, perfectly rational players (i.e., those who use the utility function of the proposed game model) make more cost-effective decisions than selfish nonrational or semirational players. © 2018 Society for Risk Analysis.

Exploring the Role of Performance Assessment in Competency-Based Education: Recommendations from the National Summit on K-12 Competency-Based Education

ERIC Educational Resources Information Center

Gagnon, Laurie

2017-01-01

Based on reports created for the 2017 National Summit on K-12 Competency-Based Education, this article explores how educators can take action to build momentum for and implement competency education and performance assessment. As a guide to taking action, the article provides the following: (1) links to the four framing reports from the Summit;…

Roosevelt Hot Springs, Utah FORGE Earthquake Catalog

DOE Data Explorer

Pankow, Kris

2018-03-21

This is the set of earthquake catalogs developed for the Utah FORGE project. These are discussed in the "Utah FORGE Phase 2B Final Topical Report", which can be found on GDR under id: 1038 (See link 'Final Topical Report' in resources below). The details are in section: 'TASK 2B.12: SEISMIC MONITORING PHASE2B FINAL REPORT.' The catalogs are in an Excel file.

Exceptions or alternatives to labeling requirements for products held by the Strategic National Stockpile. Final rule.

PubMed

2012-02-06

The Food and Drug Administration (FDA) is adopting as a final rule, without change, the interim final rule that issued regulations permitting FDA Center Directors to grant exceptions or alternatives to certain regulatory labeling requirements applicable to human drugs, biological products, or medical devices that are or will be included in the Strategic National Stockpile (SNS). FDA is taking this action to complete the rulemaking initiated with the interim final rule.

Current good manufacturing practice in manufacturing, packaging, labeling, or holding operations for dietary supplements. Final rule.

PubMed

2007-06-25

The Food and Drug Administration (FDA) is issuing a final rule regarding current good manufacturing practice (CGMP) for dietary supplements. The final rule establishes the minimum CGMPs necessary for activities related to manufacturing, packaging, labeling, or holding dietary supplements to ensure the quality of the dietary supplement. The final rule is one of many actions related to dietary supplements that we are taking to promote and protect the public health.

Familial Adenomatous Polyposis

MedlinePlus

... these screening recommendations at the Journal of Clinical Oncology . Please note this link takes you to another ... and caregivers, from the American Society of Clinical Oncology (ASCO), the voice of the world’s cancer physicians ...

78 FR 75488 - Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Operation of Offshore...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-12-12

... DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration 50 CFR Part 217 [Docket No... Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), Commerce. ACTION: Final rule... vehicles operating on the ice, vessels, aircraft, generators, production machinery, gas flaring, and camp...

42 CFR 137.136 - What happens if the agency takes no action within the 45 day review period (or any extensions...

Code of Federal Regulations, 2010 CFR

2010-10-01

... HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES INDIAN HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES TRIBAL SELF-GOVERNANCE Final Offer § 137.136 What happens if the agency takes no action... operation of law. ...

Final Rule: Definition of “Waters of the United States” – Addition of Applicability Date to 2015 Clean Water Rule

EPA Pesticide Factsheets

Link to the final rule of the applicability date of the clean water rule, The 2015 Rule will not be applicable until two years following publication of the applicability date rule in the Federal Register.

Final Approval of Arizona Air Plan Revision; Lead-bearing Fugitive Dust Associated With Hayden, AZ Copper Smelter

EPA Pesticide Factsheets

EPA is taking final action to approve a revision to a portion of the Arizona State Implementation Plan (SIP) concerning emissions of lead-bearing fugitive dust associated with the primary copper smelter located in Hayden, Arizona.

Final Rule for Nonconformance Penalties for On-Highway Heavy-Duty Diesel Engines

EPA Pesticide Factsheets

EPA is taking final action to establish nonconformance penalties (NCPs) for manufacturers of heavy heavy-duty diesel engines (HHDDE) in model years 2012 and later for emissions of oxides of nitrogen (NOX) because we have found the criteria for NCPs.

50 CFR 11.17 - Payment of final assessment.

Code of Federal Regulations, 2010 CFR

2010-10-01

... TAKING, POSSESSION, TRANSPORTATION, SALE, PURCHASE, BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND... administrative decision becomes effective in accordance with this part 11, the respondent shall have 20 calendar days from the date of the final administrative decision within which to make full payment of the...

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

Moody, A.

The ap command traveres all symlinks in a given file, directory, or executable name to identify the final absolute path. It can print just the final path, each intermediate link along with the symlink chan, and the permissions and ownership of each directory component in the final path. It has functionality similar to "which", except that it shows the final path instead of the first path. It is also similar to "pwd", but it can provide the absolute path to a relative directory from the current working directory.

Help Others and Yourself Eventually: Exploring the Relationship between Help-Giving and Employee Creativity under the Model of Perspective Taking.

PubMed

Li, Si; Liao, Shudi

2017-01-01

Although a plethora of studies have examined the antecedents of creativity, empirical studies exploring the role of individual behaviors in relation to creativity are relatively scarce. Drawing on the model of perspective taking, this study examines the relationship between help-giving during creative problem solving process and employee creativity. Specifically, we test perspective taking as an explanatory mechanism and propose organization-based self-esteem as the moderator. In a sample collected from a field survey of 247 supervisor-subordinate dyads from 2 large organizations in China at 3 time points, we find that help-giving during creative problem solving process positively related with perspective taking; perspective taking positively related with employees' creativity; employees' organization-based self-esteem strengthened the link between perspective taking and creativity; besides, there existed a moderated mediation effect. We conclude this paper with discussions on the implications for theory, research, and practice.

26 CFR 1.1313(a)-3 - Final disposition of claim for refund as a determination.

Code of Federal Regulations, 2010 CFR

2010-04-01

... determination may take the form of a final disposition of a claim for refund. Such disposition may result in a... expiration of the time allowed by section 6532 for instituting suit on the claim for refund, unless the suit... remaining $5,000 becomes final upon the expiration of the time for instituting suit on the claim for refund...

Obstruction of adaptation in diploids by recessive, strongly deleterious alleles.

PubMed

Assaf, Zoe June; Petrov, Dmitri A; Blundell, Jamie R

2015-05-19

Recessive deleterious mutations are common, causing many genetic disorders in humans and producing inbreeding depression in the majority of sexually reproducing diploids. The abundance of recessive deleterious mutations in natural populations suggests they are likely to be present on a chromosome when a new adaptive mutation occurs, yet the dynamics of recessive deleterious hitchhikers and their impact on adaptation remains poorly understood. Here we model how a recessive deleterious mutation impacts the fate of a genetically linked dominant beneficial mutation. The frequency trajectory of the adaptive mutation in this case is dramatically altered and results in what we have termed a "staggered sweep." It is named for its three-phased trajectory: (i) Initially, the two linked mutations have a selective advantage while rare and will increase in frequency together, then (ii), at higher frequencies, the recessive hitchhiker is exposed to selection and can cause a balanced state via heterozygote advantage (the staggered phase), and (iii) finally, if recombination unlinks the two mutations, then the beneficial mutation can complete the sweep to fixation. Using both analytics and simulations, we show that strongly deleterious recessive mutations can substantially decrease the probability of fixation for nearby beneficial mutations, thus creating zones in the genome where adaptation is suppressed. These mutations can also significantly prolong the number of generations a beneficial mutation takes to sweep to fixation, and cause the genomic signature of selection to resemble that of soft or partial sweeps. We show that recessive deleterious variation could impact adaptation in humans and Drosophila.

Why do commercial CT scanners still employ traditional, filtered back-projection for image reconstruction?

PubMed Central

Pan, Xiaochuan; Sidky, Emil Y; Vannier, Michael

2010-01-01

Despite major advances in x-ray sources, detector arrays, gantry mechanical design and especially computer performance, one component of computed tomography (CT) scanners has remained virtually constant for the past 25 years—the reconstruction algorithm. Fundamental advances have been made in the solution of inverse problems, especially tomographic reconstruction, but these works have not been translated into clinical and related practice. The reasons are not obvious and seldom discussed. This review seeks to examine the reasons for this discrepancy and provides recommendations on how it can be resolved. We take the example of field of compressive sensing (CS), summarizing this new area of research from the eyes of practical medical physicists and explaining the disconnection between theoretical and application-oriented research. Using a few issues specific to CT, which engineers have addressed in very specific ways, we try to distill the mathematical problem underlying each of these issues with the hope of demonstrating that there are interesting mathematical problems of general importance that can result from in depth analysis of specific issues. We then sketch some unconventional CT-imaging designs that have the potential to impact on CT applications, if the link between applied mathematicians and engineers/physicists were stronger. Finally, we close with some observations on how the link could be strengthened. There is, we believe, an important opportunity to rapidly improve the performance of CT and related tomographic imaging techniques by addressing these issues. PMID:20376330

TOPICAL REVIEW: Why do commercial CT scanners still employ traditional, filtered back-projection for image reconstruction?

NASA Astrophysics Data System (ADS)

Pan, Xiaochuan; Sidky, Emil Y.; Vannier, Michael

2009-12-01

Despite major advances in x-ray sources, detector arrays, gantry mechanical design and especially computer performance, one component of computed tomography (CT) scanners has remained virtually constant for the past 25 years—the reconstruction algorithm. Fundamental advances have been made in the solution of inverse problems, especially tomographic reconstruction, but these works have not been translated into clinical and related practice. The reasons are not obvious and seldom discussed. This review seeks to examine the reasons for this discrepancy and provides recommendations on how it can be resolved. We take the example of field of compressive sensing (CS), summarizing this new area of research from the eyes of practical medical physicists and explaining the disconnection between theoretical and application-oriented research. Using a few issues specific to CT, which engineers have addressed in very specific ways, we try to distill the mathematical problem underlying each of these issues with the hope of demonstrating that there are interesting mathematical problems of general importance that can result from in depth analysis of specific issues. We then sketch some unconventional CT-imaging designs that have the potential to impact on CT applications, if the link between applied mathematicians and engineers/physicists were stronger. Finally, we close with some observations on how the link could be strengthened. There is, we believe, an important opportunity to rapidly improve the performance of CT and related tomographic imaging techniques by addressing these issues.

Time to Go Local!

MedlinePlus

... Bar Home Current Issue Past Issues Time to Go Local! Past Issues / Winter 2007 Table of Contents ... MedlinePlus.gov health topic pages, you will find "Go Local" links that take you to information about ...

Google earth mapping of damage from the Nigata-Ken-Chuetsu M6.6 earthquake of 16 July 2007

USGS Publications Warehouse

Kayen, Robert E.; Steele, WM. Clint; Collins, Brian; Walker, Kevin

2008-01-01

We describe the use of Google Earth during and after a large damaging earthquake thatstruck the central Japan coast on 16 July 2007 to collect and organize damage information and guide the reconnaissance activities. This software enabled greater real-time collaboration among scientists and engineers. After the field investigation, the Google Earth map is used as a final reporting product that was directly linked to the more traditional research report document. Finally, we analyze the use of the software within the context of a post-disaster reconnaissance investigation, and link it to student use of GoogleEarth in field situations

75 FR 41767 - Amendment of the Commission's Rules To Accommodate 30 Megahertz Channels in the 6525-6875 MHz...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-07-19

... FEDERAL COMMUNICATIONS COMMISSION 47 CFR Part 101 [WT Docket No. 09-114; RM-11417; FCC 10-109... AGENCY: Federal Communications Commission. ACTION: Final rule. SUMMARY: In this document, the Commission... microwave links more quickly, including links involved in critical commercial, backhaul, and public safety...

77 FR 71712 - Lifeline and Link Up Reform and Modernization, Advancing Broadband Availability Through Digital...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-12-04

... FEDERAL COMMUNICATIONS COMMISSION 47 CFR Part 54 [WC Docket Nos. 11-42; 03-109; 12-23 and CC Docket No. 96-45; FCC 12- 11] Lifeline and Link Up Reform and Modernization, Advancing Broadband Availability Through Digital Literacy Training AGENCY: Federal Communications Commission. ACTION: Final rule...

77 FR 25609 - Lifeline and Link Up Reform and Modernization, Advancing Broadband Availability Through Digital...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-05-01

... FEDERAL COMMUNICATIONS COMMISSION 47 CFR Part 54 [WC Docket Nos. 11-42, 03-109, 12-23 and CC Docket No. 96-45; FCC 12- 11] Lifeline and Link Up Reform and Modernization, Advancing Broadband Availability Through Digital Literacy Training AGENCY: Federal Communications Commission. ACTION: Final rule...

77 FR 19125 - Lifeline and Link Up Reform and Modernization, Advancing Broadband Availability Through Digital...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-03-30

... FEDERAL COMMUNICATIONS COMMISSION 47 CFR Part 54 [WC Docket Nos. 11-42, 03-109, 12-23 and CC Docket No. 96-45; FCC 12- 11] Lifeline and Link Up Reform and Modernization, Advancing Broadband Availability Through Digital Literacy Training AGENCY: Federal Communications Commission. ACTION: Final rule...

Mobile Router Testing with Diverse RF Communications Links

NASA Technical Reports Server (NTRS)

Brooks, David; Hoder, Doug; Wilkins, Ryan

2004-01-01

This is a short report on demonstrations using Mobile IP and several diverse physical communications links to connect a mobile network to a fixed IPv4 internet. The first section is a description of the equipment used, followed by descriptions of the tests, the theoretical results, and finally conclusions and the actual data.

Link and Network Layers Design for Ultra-High-Speed Terahertz-Band Communications Networks

DTIC Science & Technology

2017-01-01

throughput, and identify the optimal parameter values for their design (Sec. 6.2.3). Moreover, we validate and test the scheme with experimental data obtained...LINK AND NETWORK LAYERS DESIGN FOR ULTRA-HIGH- SPEED TERAHERTZ-BAND COMMUNICATIONS NETWORKS STATE UNIVERSITY OF NEW YORK (SUNY) AT BUFFALO JANUARY...TYPE FINAL TECHNICAL REPORT 3. DATES COVERED (From - To) FEB 2015 – SEP 2016 4. TITLE AND SUBTITLE LINK AND NETWORK LAYERS DESIGN FOR ULTRA-HIGH

Tracking and Data Relay Satellite System user impact and network compatibility study. [antenna design and telecommunication links

NASA Technical Reports Server (NTRS)

1973-01-01

The report contains data on antenna configurations for the low data rate users of the Tracking and Data Relay Satellite System (TDRSS). It treats the coverage and mutual visibility considerations between the user satellites and the relay satellites and relates these considerations to requirements of antenna beamwidth and fractional user orbital coverage. A final section includes user/TDRS telecommunication link budgets and forward and return link data rate tradeoffs.

Ethics Committees and Mental Health.

PubMed

Yepes Delgado, Carlos Enrique; Ocampo Montoya, Andrea

Although research processes are covered by the objectivity of science, they are still influenced by the interests of those who conduct them. This is why high level committees have been tasked with defining the scope of the studies and performing a thorough assessment of them, since these imply great dilemmas. This premise leads to the emergence of Ethics Committees, where liaison psychiatry has an important place due to its communication abilities and knowledge of the human behavior. This paper attempts to provide some observations to take into account when discussing the link between ethics and mental health. In this work, the authors approach the question of ethics committees and the importance that psychiatrist performance has within them. This is done through a review of relevant papers on the subject. A detailed description on research ethics is provided in terms of justification, purpose and duties. Likewise, emphasis is placed on each of the areas in which psychiatrists are involved and bear great responsibilities in the medical decision-making process. Similarly, this description also includes the moment in which participants give their informed consent when taking part in medical research. Finally, we conclude that there are several questions regarding the relevance given to these committees in the methodological and ethical assessment of research projects. This in turn implies greater effort in the search for a culture of quality which highlights the emphasis on research subjects. Copyright © 2017 Asociación Colombiana de Psiquiatría. Publicado por Elsevier España. All rights reserved.

Object Pragmatics and Language Development.

PubMed

Béguin, Marie

2016-12-01

The purpose of this contribution is to investigate the advent of language in the light of the appropriation of the cultural uses of the material objects related to material culture and the constitution of their public and shared meanings linked to their uses. First, we suggest that the Object Pragmatics paradigm offers a framework which allows us to take into account the uses of objects in daily life as a site of social conventions, communication and public and shared meanings. Second, we would like to underline the key role of the adult's mediations in the child's ability to evolve towards linguistic development. This contribution will discuss the notion of scenario involving primarily the object, as a possible semiotic tool to support the child's transition to language. We will finally illustrate that it is possible to take into consideration the mastery of conventional uses of the object in the child's ability to engage in a scenario and then to move towards communication and speech development. These issues will be addressed in the context of a research project which focuses on the observation of children interacting with an adult at 16, 20 and 24 months. These longitudinal data were collected by video in a semi-experimental triadic interaction design. The triadic interaction is considered as a relevant unit for the observation and analysis of the role of material culture in speech development, suggesting the existence of new mechanisms to be taken into account in addition to the interactive conditions largely mentioned in literature.

The Role of Psychological and Physiological Factors in Decision Making under Risk and in a Dilemma

PubMed Central

Fooken, Jonas; Schaffner, Markus

2016-01-01

Different methods to elicit risk attitudes of individuals often provide differing results despite a common theory. Reasons for such inconsistencies may be the different influence of underlying factors in risk-taking decisions. In order to evaluate this conjecture, a better understanding of underlying factors across methods and decision contexts is desirable. In this paper we study the difference in result of two different risk elicitation methods by linking estimates of risk attitudes to gender, age, and personality traits, which have been shown to be related. We also investigate the role of these factors during decision-making in a dilemma situation. For these two decision contexts we also investigate the decision-maker's physiological state during the decision, measured by heart rate variability (HRV), which we use as an indicator of emotional involvement. We found that the two elicitation methods provide different individual risk attitude measures which is partly reflected in a different gender effect between the methods. Personality traits explain only relatively little in terms of driving risk attitudes and the difference between methods. We also found that risk taking and the physiological state are related for one of the methods, suggesting that more emotionally involved individuals are more risk averse in the experiment. Finally, we found evidence that personality traits are connected to whether individuals made a decision in the dilemma situation, but risk attitudes and the physiological state were not indicative for the ability to decide in this decision context. PMID:26834591

Understanding the Ecoydrology of Mangroves: A Simple SPAC Model for Avicennia Marina

NASA Astrophysics Data System (ADS)

Perri, Saverio; Viola, Francesco; Valerio Noto, Leonardo; Molini, Annalisa

2015-04-01

Mangroves represent one of the most carbon-rich ecosystems in the Tropics, noticeably impacting ecosystem services and the economy of these regions. Whether the ability of mangroves to exclude and tolerate salt has been extensively investigated in the literature - both from the structural and functional point of view - their eco-hydrological characteristics remains largely understudied, despite the crucial link with productivity, efficient carbon storage and fluxes. In this contribution we develop a "first-order" Soil Plant Atmosphere Continuum model for Avicennia Marina, a mangrove able to adapt to hyper-arid intertidal zones and characterized by complex morphological and eco-physiological traits. Among mangroves, Avicennia marina is one of the most tolerant to salinity and arid climatic conditions. Our model, based on a simple macroscopic approach, takes into account the specific characteristics of the mangrove ecosystem and in particular, the salinity of the water in the soil and the levels of salt stress to which the plant may be subjected. Mangrove transpiration is hence obtained by solving the plant and leaf water balance and the leaf energy balance, taking explicitly into account the role of osmotic water potential and salinity in governing plant resistance to water fluxes. The SPAC model of Avicennia is hence tested against experimental data obtained from the literature, showing the reliability and effectiveness of this minimalist model in reproducing observed transpiration fluxes. Finally, sensitivity analysis is used to assess whether uncertainty on the adopted parameters could lead to significant errors in the transpiration assessment.

On Major Naval Operations

DTIC Science & Technology

2007-01-01

operation were to take Turkey out of the war, open a direct link with the Entente’s embattled ally Russia, force the Ger- mans to shift troops from the...heavy losses. By August 1915, the allied forces amounted to twelve divisions. A new landing was conducted in early August at Suvla Bay aimed to link ...lethal weapons, such as antiship missiles and tor- pedoes , and the nature of the physical environment. Here again, combat be- tween modern naval forces

California Air Quality State Implementation Plans; Final Approval; Butte County Air Quality Management District; Stationary Source Permits

EPA Pesticide Factsheets

EPA is taking final action to approve a revision to the Butte County Air Quality Management District (BCAQMD) portion of the California State Implementation Plan (SIP). This revision concerns the District's New Source Review (NSR) permitting program.

A Frequency Agile, Self-Adaptive Serial Link on Xilinx FPGAs

NASA Astrophysics Data System (ADS)

Aloisio, A.; Giordano, R.; Izzo, V.; Perrella, S.

2015-06-01

In this paper, we focused on the GTX transceiver modules of Xilinx Kintex 7 field-programmable gate arrays (FPGAs), which provide high bandwidth, low jitter on the recovered clock, and an equalization system on the transmitter and the receiver. We present a frequency agile, auto-adaptive serial link. The link is able to take care of the reconfiguration of the GTX parameters in order to fully benefit from the available link bandwidth, by setting the highest line rate. It is designed around an FPGA-embedded microprocessor, which drives the programmable ports of the GTX in order to control the quality of the received data and to easily calculate the bit-error rate in each sampling point of the eye diagram. We present the self-adaptive link project, the description of the test system, and the main results.

NOAA Photo Library - Historic Weather Service/Meteorological

Science.gov Websites

Monsters/Hurricanes - Hurricane Andrew NOAA Photo Library Banner Takes you to the Top Page the Links page. Hurricane Andrew Banner Historical Weather Service | Meteorological Monsters 1 2 3 4

Genetics Home Reference: Cockayne syndrome

MedlinePlus

... a serious reaction to an antibiotic medication called metronidazole. If affected individuals take this medication, it can ... named? Additional Information & Resources MedlinePlus (4 links) Drug: Metronidazole Oral Encyclopedia: Failure to Thrive Encyclopedia: Microcephaly Health ...

77 FR 15719 - Endangered and Threatened Species; Take of Anadromous Fish

Federal Register 2010, 2011, 2012, 2013, 2014

2012-03-16

...-mounted electrofisher, fyke nets and trammel nets; identified to gender; sampled for tissues and scales...-listed CCV steelhead in scientific research studies linking salmonid habitat and spatial variability in...

Alexei Abrikosov and Superconductivity

Science.gov Websites

Superconducting Cuprates Based on Experimental Evidence, , DOE Technical Report Download Adobe PDF Reader Some links on this page may take you to non-federal websites. Their policies may differ from this site

Michael Levitt and Computational Biology

Science.gov Websites

molecular structures, compute structural changes, refine experimental structure, model enzyme catalysis and (May 2004) Top Some links on this page may take you to non-federal websites. Their policies may differ

Taking Care of Your Vision

MedlinePlus

... linked to UV exposure, such as cataracts and macular degeneration: A cataract is an eye condition in which ... lens of the eye becomes clouded, impairing vision. Macular degeneration is an eye disease in which the macula ( ...

Mind Your Mouth: Preventing Gum Disease

MedlinePlus

... can lead to gum disease—technically known as periodontal disease. The most common and mild type of ... up and professional cleaning. Don’t smoke. Links Periodontal (Gum) Disease NIH Senior Health: Gum Disease Taking ...

Nitric oxide-induced interstrand cross-links in DNA.

PubMed

Caulfield, Jennifer L; Wishnok, John S; Tannenbaum, Steven R

2003-05-01

The DNA damaging effects of nitrous acid have been extensively studied, and the formation of interstrand cross-links have been observed. The potential for this cross-linking to occur through a common nitrosating intermediate derived from nitric oxide is investigated here. Using a HPLC laser-induced fluorescence (LIF) system, the amount of interstrand cross-link formed on nitric oxide treatment of the 5'-fluorescein-labeled oligomer ATATCGATCGATAT was determined. This self-complimentary sequence contains two 5'-CG sequences, which is the preferred site for nitrous acid-induced cross-linking. Nitric oxide was delivered to an 0.5 mM oligomer solution at 15 nmol/mL/min to give a final nitrite concentration of 652 microM. The resulting concentration of the deamination product, xanthine, in this sample was found to be 211 +/- 39 nM, using GC/MS, and the amount of interstrand cross-link was determined to be 13 +/- 2.5 nM. Therefore, upon nitric oxide treatment, the cross-link is found at approximately 6% of the amount of the deamination product. Using this system, detection of the cross-link is also possible for significantly lower doses of nitric oxide, as demonstrated by treatment of the same oligomer with NO at a rate of 18 nmol/mL/min resulting in a final nitrite concentration of 126 microM. The concentration of interstrand cross-link was determined to be 3.6 +/- 0.1 nM in this sample. Therefore, using the same dose rate, when the total nitric oxide concentration delivered drops by a factor of approximately 5, the concentration of cross-link drops by a factor of about 4-indicating a qausi-linear response. It may now be possible to predict the number of cross-links in a small genome based on the number of CpG sequences and the yield of xanthine derived from nitrosative deamination.

HEALTH CONDITIONS LINKED TO AGE-RELATED MACULAR DEGENERATION ASSOCIATED WITH DARK ADAPTATION.

PubMed

Laíns, Inês; Miller, John B; Mukai, Ryo; Mach, Steven; Vavvas, Demetrios; Kim, Ivana K; Miller, Joan W; Husain, Deeba

2018-06-01

To determine the association between dark adaption (DA) and different health conditions linked with age-related macular degeneration (AMD). Cross-sectional study, including patients with AMD and a control group. Age-related macular degeneration was graded according to the Age-Related Eye Disease Study (AREDS) classification. We obtained data on medical history, medications, and lifestyle. Dark adaption was assessed with the extended protocol (20 minutes) of AdaptDx (MacuLogix). For analyses, the right eye or the eye with more advanced AMD was selected. Multivariate linear and logistic regressions were performed, accounting for age and AMD stage. Seventy-eight subjects (75.6% AMD; 24.4% controls) were included. Multivariate assessments revealed that body mass index (BMI; β = 0.30, P = 0.045), taking AREDS vitamins (β = 5.51, P < 0.001), and family history of AMD (β = 2.68, P = 0.039) were significantly associated with worse rod intercept times. Abnormal DA (rod intercept time ≥ 6.5 minutes) was significantly associated with family history of AMD (β = 1.84, P = 0.006), taking AREDS supplements (β = 1.67, P = 0.021) and alcohol intake (β = 0.07, P = 0.017). Besides age and AMD stage, a higher body mass index, higher alcohol intake, and a family history of AMD seem to impair DA. In this cohort, the use of AREDS vitamins was also statistically linked with impaired DA, most likely because of an increased severity of disease in subjects taking them.

Taking Blame for Other People's Misconduct.

PubMed

Willard, Jennifer; Madon, Stephanie; Curran, Timothy

2015-01-01

Taking blame for another person's misconduct may occur at relatively high rates for less serious crimes. The authors examined individual differences and situational factors related to this phenomenon by surveying college students (n = 213) and men enrolled in substance abuse treatment programs (n = 42). Among college students, conscientiousness and delinquency predicted their likelihood of being in a situation in which it was possible to take the blame for another person's misconduct. Situational factors, including the relationship with the perpetrator, the seriousness of the offense, feelings of responsibility for the offense, and differential consequences between the offender and the blame taker, were associated with college students' decisions to take the blame. Among substance abuse treatment participants, individuals who took the blame for another person's misconduct were more extraverted, reported feeling more loyalty toward the true perpetrator, and indicated more incentives to take the blame than individuals who did not take the blame. Links between theories of helping behavior and situational factors that predict blame taking are discussed. Copyright © 2015 John Wiley & Sons, Ltd.

Getting angry matters: Going beyond perspective taking and empathic concern to understand bystanders' behavior in bullying.

PubMed

Pozzoli, Tiziana; Gini, Gianluca; Thornberg, Robert

2017-12-01

The present study examined the relations between different empathic dimensions and bystanders' behavior in bullying. Specifically, the indirect effects of empathic concern and perspective taking via empathic anger on defending and passive bystanding were tested in a sample of Italian young adolescents (N = 398; M age  = 12 years, 3 months, 47.2% girls). Path analysis confirmed the direct and indirect effects, via empathic anger, of empathic concern and perspective taking on bystanders' behavior, with the exception of the direct association between perspective taking and passive bystanding that was not significant. Our findings suggest that considering empathic anger together with empathic concern and perspective taking could help researchers to better understand the links between empathic dispositions and bystanders' behavior in bullying. Copyright © 2017. Published by Elsevier Ltd.

Gendered Fields: Sports and Advanced Course Taking in High School

PubMed Central

Pearson, Jennifer; Crissey, Sarah R.; Riegle-Crumb, Catherine

2010-01-01

This study explores the association between sports participation and course taking in high school, specifically comparing subjects with varied gendered legacies—science and foreign language. Analyses of a nationally representative longitudinal sample (N=5,447) of U.S. adolescents from the National Longitudinal Study of Adolescent Health and the linked Adolescent Health and Academic Achievement transcript study show that male and female athletes are more likely than non-athletes to take both advanced foreign language and Physics, largely because of their higher academic orientation. However, the association between sports participation and course taking was strongest for girls’ Physics coursework, suggesting that sports may provide girls with a unique opportunity to develop the skills and confidence to persevere in the masculine domain of science. PMID:20221304

Development Issues on Linked Data Weblog Enrichment

NASA Astrophysics Data System (ADS)

Ruiz-Rube, Iván; Cornejo, Carlos M.; Dodero, Juan Manuel; García, Vicente M.

In this paper, we describe the issues found during the development of LinkedBlog, a Linked Data extension for WordPress blogs. This extension enables to enrich text-based and video information contained in blog entries with RDF triples that are suitable to be stored, managed and exploited by other web-based applications. The issues have to do with the generality, usability, tracking, depth, security, trustiness and performance of the linked data enrichment process. The presented annotation approach aims at maintaining web-based contents independent from the underlying ontological model, by providing a loosely coupled RDFa-based approach in the linked data application. Finally, we detail how the performance of annotations can be improved through a semantic reasoner.

The toric SO(10) F-theory landscape

NASA Astrophysics Data System (ADS)

Buchmüller, W.; Dierigl, M.; Oehlmann, P.-K.; Rühle, F.

2017-12-01

Supergravity theories in more than four dimensions with grand unified gauge symmetries are an important intermediate step towards the ultraviolet completion of the Standard Model in string theory. Using toric geometry, we classify and analyze six-dimensional F-theory vacua with gauge group SO(10) taking into account Mordell-Weil U(1) and discrete gauge factors. We determine the full matter spectrum of these models, including charged and neutral SO(10) singlets. Based solely on the geometry, we compute all matter multiplicities and confirm the cancellation of gauge and gravitational anomalies independent of the base space. Particular emphasis is put on symmetry enhancements at the loci of matter fields and to the frequent appearance of superconformal points. They are linked to non-toric Kähler deformations which contribute to the counting of degrees of freedom. We compute the anomaly coefficients for these theories as well by using a base-independent blow-up procedure and superconformal matter transitions. Finally, we identify six-dimensional supergravity models which can yield the Standard Model with high-scale supersymmetry by further compactification to four dimensions in an Abelian flux background.

Glycolysis Is Governed by Growth Regime and Simple Enzyme Regulation in Adherent MDCK Cells

PubMed Central

Rehberg, Markus; Ritter, Joachim B.; Reichl, Udo

2014-01-01

Due to its vital importance in the supply of cellular pathways with energy and precursors, glycolysis has been studied for several decades regarding its capacity and regulation. For a systems-level understanding of the Madin-Darby canine kidney (MDCK) cell metabolism, we couple a segregated cell growth model published earlier with a structured model of glycolysis, which is based on relatively simple kinetics for enzymatic reactions of glycolysis, to explain the pathway dynamics under various cultivation conditions. The structured model takes into account in vitro enzyme activities, and links glycolysis with pentose phosphate pathway and glycogenesis. Using a single parameterization, metabolite pool dynamics during cell cultivation, glucose limitation and glucose pulse experiments can be consistently reproduced by considering the cultivation history of the cells. Growth phase-dependent glucose uptake together with cell-specific volume changes generate high intracellular metabolite pools and flux rates to satisfy the cellular demand during growth. Under glucose limitation, the coordinated control of glycolytic enzymes re-adjusts the glycolytic flux to prevent the depletion of glycolytic intermediates. Finally, the model's predictive power supports the design of more efficient bioprocesses. PMID:25329309

Glycolysis is governed by growth regime and simple enzyme regulation in adherent MDCK cells.

PubMed

Rehberg, Markus; Ritter, Joachim B; Reichl, Udo

2014-10-01

Due to its vital importance in the supply of cellular pathways with energy and precursors, glycolysis has been studied for several decades regarding its capacity and regulation. For a systems-level understanding of the Madin-Darby canine kidney (MDCK) cell metabolism, we couple a segregated cell growth model published earlier with a structured model of glycolysis, which is based on relatively simple kinetics for enzymatic reactions of glycolysis, to explain the pathway dynamics under various cultivation conditions. The structured model takes into account in vitro enzyme activities, and links glycolysis with pentose phosphate pathway and glycogenesis. Using a single parameterization, metabolite pool dynamics during cell cultivation, glucose limitation and glucose pulse experiments can be consistently reproduced by considering the cultivation history of the cells. Growth phase-dependent glucose uptake together with cell-specific volume changes generate high intracellular metabolite pools and flux rates to satisfy the cellular demand during growth. Under glucose limitation, the coordinated control of glycolytic enzymes re-adjusts the glycolytic flux to prevent the depletion of glycolytic intermediates. Finally, the model's predictive power supports the design of more efficient bioprocesses.

Self-consistent core-pedestal transport simulations with neural network accelerated models

DOE PAGES

Meneghini, Orso; Smith, Sterling P.; Snyder, Philip B.; ...

2017-07-12

Fusion whole device modeling simulations require comprehensive models that are simultaneously physically accurate, fast, robust, and predictive. In this paper we describe the development of two neural-network (NN) based models as a means to perform a snon-linear multivariate regression of theory-based models for the core turbulent transport fluxes, and the pedestal structure. Specifically, we find that a NN-based approach can be used to consistently reproduce the results of the TGLF and EPED1 theory-based models over a broad range of plasma regimes, and with a computational speedup of several orders of magnitudes. These models are then integrated into a predictive workflowmore » that allows prediction with self-consistent core-pedestal coupling of the kinetic profiles within the last closed flux surface of the plasma. Finally, the NN paradigm is capable of breaking the speed-accuracy trade-off that is expected of traditional numerical physics models, and can provide the missing link towards self-consistent coupled core-pedestal whole device modeling simulations that are physically accurate and yet take only seconds to run.« less

An integrated system for rainfall induced shallow landslides modeling

NASA Astrophysics Data System (ADS)

Formetta, Giuseppe; Capparelli, Giovanna; Rigon, Riccardo; Versace, Pasquale

2014-05-01

Rainfall induced shallow landslides (RISL) cause significant damages involving loss of life and properties. Predict susceptible locations for RISL is a complex task that involves many disciplines: hydrology, geotechnical science, geomorphology, statistic. Usually to accomplish this task two main approaches are used: statistical or physically based model. In this work an open source (OS), 3-D, fully distributed hydrological model was integrated in an OS modeling framework (Object Modeling System). The chain is closed by linking the system to a component for safety factor computation with infinite slope approximation able to take into account layered soils and suction contribution to hillslope stability. The model composition was tested for a case study in Calabria (Italy) in order to simulate the triggering of a landslide happened in the Cosenza Province. The integration in OMS allows the use of other components such as a GIS to manage inputs-output processes, and automatic calibration algorithms to estimate model parameters. Finally, model performances were quantified by comparing modelled and simulated trigger time. This research is supported by Ambito/Settore AMBIENTE E SICUREZZA (PON01_01503) project.

Stigma of People with HIV/AIDS in Sub-Saharan Africa: A Literature Review

PubMed Central

Mbonu, Ngozi C.; van den Borne, Bart; De Vries, Nanne K.

2009-01-01

The aim of this literature review is to elucidate what is known about HIV/AIDS and stigma in Sub-Saharan Africa. Literature about HIV/AIDS and stigma in Sub-Saharan Africa was systematically searched in Pubmed, Medscape, and Psycinfo up to March 31, 2009. No starting date limit was specified. The material was analyzed using Gilmore and Somerville's (1994) four processes of stigmatizing responses: the definition of the problem HIV/AIDS, identification of people living with HIV/AIDS (PLWHA), linking HIV/AIDS to immorality and other negative characteristics, and finally behavioural consequences of stigma (distancing, isolation, discrimination in care). It was found that the cultural construction of HIV/AIDS, based on beliefs about contamination, sexuality, and religion, plays a crucial role and contributes to the strength of distancing reactions and discrimination in society. Stigma prevents the delivery of effective social and medical care (including taking antiretroviral therapy) and also enhances the number of HIV infections. More qualitative studies on HIV/AIDS stigma including stigma in health care institutions in Sub-Saharan Africa are recommended. PMID:20309417

Developmental Learning Disorders: From Generic Interventions to Individualized Remediation

PubMed Central

Moreau, David; Waldie, Karen E.

2016-01-01

Developmental learning disorders affect many children, impairing their experience in the classroom and hindering many aspects of their life. Once a bleak sentence associated with life-long difficulties, several learning disorders can now be successfully alleviated, directly benefiting from promising interventions. In this review, we focus on two of the most prevalent learning disorders, dyslexia and attention-deficit/hyperactivity disorder (ADHD). Recent advances have refined our understanding of the specific neural networks that are altered in these disorders, yet questions remain regarding causal links between neural changes and behavioral improvements. After briefly reviewing the theoretical foundations of dyslexia and ADHD, we explore their distinct and shared characteristics, and discuss the comorbidity of the two disorders. We then examine current interventions, and consider the benefits of approaches that integrate remediation within other activities to encourage sustained motivation and improvements. Finally, we conclude with a reflection on the potential for remediation programs to be personalized by taking into account the specificities and demands of each individual. The effective remediation of learning disorders is critical to modern societies, especially considering the far-reaching ramifications of successful early interventions. PMID:26793160

Hessian Schatten-norm regularization for linear inverse problems.

PubMed

Lefkimmiatis, Stamatios; Ward, John Paul; Unser, Michael

2013-05-01

We introduce a novel family of invariant, convex, and non-quadratic functionals that we employ to derive regularized solutions of ill-posed linear inverse imaging problems. The proposed regularizers involve the Schatten norms of the Hessian matrix, which are computed at every pixel of the image. They can be viewed as second-order extensions of the popular total-variation (TV) semi-norm since they satisfy the same invariance properties. Meanwhile, by taking advantage of second-order derivatives, they avoid the staircase effect, a common artifact of TV-based reconstructions, and perform well for a wide range of applications. To solve the corresponding optimization problems, we propose an algorithm that is based on a primal-dual formulation. A fundamental ingredient of this algorithm is the projection of matrices onto Schatten norm balls of arbitrary radius. This operation is performed efficiently based on a direct link we provide between vector projections onto lq norm balls and matrix projections onto Schatten norm balls. Finally, we demonstrate the effectiveness of the proposed methods through experimental results on several inverse imaging problems with real and simulated data.

Tobacco marketing awareness on youth smoking susceptibility and perceived prevalence before and after an advertising ban.

PubMed

Moodie, Crawford; MacKintosh, Anne Marie; Brown, Abraham; Hastings, Gerard B

2008-10-01

The Tobacco Advertising and Promotion Act (TAPA) was implemented in the United Kingdom in 2003. This study is the first to assess its impact on young people, examining smoking susceptibility (intention to smoke among never smokers) and perceived prevalence across three British cross-sectional samples (aged 11-16) before and after the introduction of the ban. Three in-home surveys (n = 1078, 1121 and 1121) were conducted before (1999 and 2002) and after (2004) the implementation of the TAPA. Significant declines in awareness of tobacco marketing and perceived prevalence occurred across the three waves. Higher levels of awareness and perceived prevalence were associated with increased susceptibility, but direct measures of susceptibility remained stable. The TAPA is protecting young people in United Kingdom from tobacco marketing and reducing perceived prevalence, both of which are linked to susceptibility. The stability of susceptibility across the three waves is probably best explained by both the partial implementation of TAPA at the final survey point and the time such effects take to emerge. The evidence from this and previous studies is, however, that, ultimately, they will appear.

Self-consistent core-pedestal transport simulations with neural network accelerated models

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

Meneghini, Orso; Smith, Sterling P.; Snyder, Philip B.

Fusion whole device modeling simulations require comprehensive models that are simultaneously physically accurate, fast, robust, and predictive. In this paper we describe the development of two neural-network (NN) based models as a means to perform a snon-linear multivariate regression of theory-based models for the core turbulent transport fluxes, and the pedestal structure. Specifically, we find that a NN-based approach can be used to consistently reproduce the results of the TGLF and EPED1 theory-based models over a broad range of plasma regimes, and with a computational speedup of several orders of magnitudes. These models are then integrated into a predictive workflowmore » that allows prediction with self-consistent core-pedestal coupling of the kinetic profiles within the last closed flux surface of the plasma. Finally, the NN paradigm is capable of breaking the speed-accuracy trade-off that is expected of traditional numerical physics models, and can provide the missing link towards self-consistent coupled core-pedestal whole device modeling simulations that are physically accurate and yet take only seconds to run.« less

Modeling of metal thin film growth: Linking angstrom-scale molecular dynamics results to micron-scale film topographies

NASA Astrophysics Data System (ADS)

Hansen, U.; Rodgers, S.; Jensen, K. F.

2000-07-01

A general method for modeling ionized physical vapor deposition is presented. As an example, the method is applied to growth of an aluminum film in the presence of an ionized argon flux. Molecular dynamics techniques are used to examine the surface adsorption, reflection, and sputter reactions taking place during ionized physical vapor deposition. We predict their relative probabilities and discuss their dependence on energy and incident angle. Subsequently, we combine the information obtained from molecular dynamics with a line of sight transport model in a two-dimensional feature, incorporating all effects of reemission and resputtering. This provides a complete growth rate model that allows inclusion of energy- and angular-dependent reaction rates. Finally, a level-set approach is used to describe the morphology of the growing film. We thus arrive at a computationally highly efficient and accurate scheme to model the growth of thin films. We demonstrate the capabilities of the model predicting the major differences on Al film topographies between conventional and ionized sputter deposition techniques studying thin film growth under ionized physical vapor deposition conditions with different Ar fluxes.

Mars Rotational and Orbital Dynamics

NASA Image and Video Library

1997-10-14

The Rotation and Orbit Dynamics experiment is based on measuring the Doppler range to Pathfinder using the radio link. Mars rotation about it's pole causes a signature in the data with a daily minimum when the lander is closest to the Earth. Changes in the daily signature reveal information about the planetary interior, through its effect on Mars' precession and nutation. The signature also is sensitive to variations in Mars' rotation rate as the mass of the atmosphere increases and decreases as the polar caps are formed in winter and evaporate in spring. Long term signatures in the range to the lander are caused by asteroids perturbing Mars' orbit. Analysis of these perturbations allows the determination of the masses of asteroids. Sojourner spent 83 days of a planned seven-day mission exploring the Martian terrain, acquiring images, and taking chemical, atmospheric and other measurements. The final data transmission received from Pathfinder was at 10:23 UTC on September 27, 1997. Although mission managers tried to restore full communications during the following five months, the successful mission was terminated on March 10, 1998. http://photojournal.jpl.nasa.gov/catalog/PIA00975

Undergraduate medical education in Germany

PubMed Central

Chenot, Jean-François

2009-01-01

The purpose of this article is to give international readers an overview of the organisation, structure and curriculum, together with important advances and problems, of undergraduate medical education in Germany. Interest in medical education in Germany has been relatively low but has gained momentum with the new "Regulation of the Licensing of Doctors" which came into effect in 2003. Medical education had required substantial reform, particularly with respect to improving the links between theoretical and clinical teaching and the extension of interdisciplinary and topic-related instruction. It takes six years and three months to complete the curriculum and training is divided into three sections: basic science (2 years), clinical science (3 years) and final clinical year. While the reorganisation of graduate medical education required by the new "Regulation of the Licensing of Doctors" has stimulated multiple excellent teaching projects, there is evidence that some of the stipulated changes have not been implemented. Indeed, whether the medical schools have complied with this regulation and its overall success remains to be assessed systematically. Mandatory external accreditation and periodic reaccreditation of medical faculties need to be established in Germany. PMID:19675742

78 FR 56168 - Approval and Promulgation of Air Quality Implementation Plans; West Virginia; West Virginia's...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-09-12

... initial proposal on December 11, 2012. Principally, the supplemental NPR addressed the effects of the... behavior and prepare before the final rule takes effect. Today's rule, however, does not create any new regulatory requirements such that affected parties would need time to prepare before the rule takes effect...

76 FR 35995 - Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Operation and...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-06-21

... of the Neptune Liquefied Natural Gas Facility of Massachusetts; Correction AGENCY: National Marine... rule; correction. SUMMARY: NMFS, upon application from Neptune LNG LLC (Neptune), issued regulations... activities, at the Neptune Deepwater Port (the Port) in Massachusetts Bay for a period of 5 years. The final...

76 FR 36363 - Hazardous Waste Manifest Printing Specifications Correction Rule

Federal Register 2010, 2011, 2012, 2013, 2014

2011-06-22

... rule will not take effect. ADDRESSES: Submit your comments identified by Docket ID No. EPA-HQ- RCRA... the public that the amendment in this Direct Final rule that will not take effect. For further... that had the desired effect of setting off the copy distribution notations from the other printed...

Montessori Special Education and Nature's Playground

ERIC Educational Resources Information Center

Vaz, Nimal

2013-01-01

Nimal Vaz takes us to the essentials of Montessori as an aid to life for all children, particularly children with special needs. She challenges teachers to truly provide experiences in nature: observing anthills, identifying bird nests, or taking an olfactory walk with a legally blind classmate. Finally, she demonstrates how a child's interest in…

How College Science Students Engage in Note-Taking Strategies

ERIC Educational Resources Information Center

Bonner, Janice M.; Holliday, William G.

2006-01-01

A composite theory of college science student note-taking strategies was derived from a periodic series of five interviews with 23 students and with other variables, including original and final versions of notes analyzed during a semester-long genetics course. This evolving composite theory was later compared with Van Meter, Yokoi, and Pressley's…

Vibration analysis on automatic take-up device of belt conveyor

NASA Astrophysics Data System (ADS)

Qin, Tailong; Wei, Jin

2008-10-01

Through introducing application condition of belt conveyor in the modern mining industry, the paper proposed, in the dynamic course of its starting, braking or loading, it would produce moving tension and elastic wave. And analyzed the factors cause the automatic take-up device of belt conveyor vibrating: the take-up device's structure and the elastic wave. Finally the paper proposed the measure to reduce vibration and carried on the modeling and simulation on the tension buffer device.

78 FR 33754 - Railroad Workplace Safety; Adjacent-Track On-Track Safety for Roadway Workers

Federal Register 2010, 2011, 2012, 2013, 2014

2013-06-05

... Workers AGENCY: Federal Railroad Administration (FRA), Department of Transportation (DOT). ACTION: Final... published November 30, 2011, and scheduled to take effect on July 1, 2013. The final rule mandates that roadway workers comply with specified on-track safety procedures that railroads must adopt to protect...

Relaxation of Summer Gasoline Volatility Standard for Mecklenburg and Gaston counties, North Carolina Direct final action

EPA Pesticide Factsheets

EPA is taking direct final action to approve a request from the state of North Carolina for the EPA to relax the Reid Vapor Pressure standard applicable to gasoline introduced into commerce in the summer time for Mecklenburg and Gaston counties.

Relaxation of Summer Gasoline Volatility Standard for Jefferson and Shelby counties, Alabama (“the Birmingham area”) Final action

EPA Pesticide Factsheets

The EPA is taking final action to relax the federal volatility (RVP) standard applicable to gasoline supplied to the Birmingham area from 7.8 pounds per square inch (psi) to 9.0 psi during the summer ozone season.

Final Approval of California Air Plan Revision; Antelope Valley Air Quality Management District; VOCs From Motor Vehicle Assembly Coating Operations

EPA Pesticide Factsheets

EPA is taking final action to approve a revision to the Antelope Valley Air Quality Management District (AVAQMD) portion of the California SIP concerning the emissions of volatile organic compounds (VOCs) from motor vehicle assembly coating operations.

46 CFR 172.195 - Survival conditions.

Code of Federal Regulations, 2014 CFR

2014-10-01

... assumed damage if it meets the following conditions in the final stage of flooding: (a) Final waterline... of an opening through which progressive flooding may take place, such as an air pipe, or an opening... least 3.94 inches (10 cm). (3) Each submerged opening must be weathertight. (d) Progressive flooding. If...

46 CFR 172.195 - Survival conditions.

Code of Federal Regulations, 2013 CFR

2013-10-01

... assumed damage if it meets the following conditions in the final stage of flooding: (a) Final waterline... of an opening through which progressive flooding may take place, such as an air pipe, or an opening... least 3.94 inches (10 cm). (3) Each submerged opening must be weathertight. (d) Progressive flooding. If...

46 CFR 172.195 - Survival conditions.

Code of Federal Regulations, 2012 CFR

2012-10-01

... assumed damage if it meets the following conditions in the final stage of flooding: (a) Final waterline... of an opening through which progressive flooding may take place, such as an air pipe, or an opening... least 3.94 inches (10 cm). (3) Each submerged opening must be weathertight. (d) Progressive flooding. If...

National Institute on Disability and Rehabilitation Research--Notice of Final Long-Range Plan for Fiscal Years 2005-2009. Federal Register, Part III: Department of Education

ERIC Educational Resources Information Center

National Archives and Records Administration, 2006

2006-01-01

The Assistant Secretary for Special Education and Rehabilitative Services (OSERS) publishes the Final Long-Range Plan (Final Plan) for the National Institute on Disability and Rehabilitation Research (NIDRR) for FY 2005 through 2009. As required by the Rehabilitation Act of 1973, as amended (Act), the Assistant Secretary takes this action to…

Data breaches. Final rule.

PubMed

2008-04-11

This document adopts, without change, the interim final rule that was published in the Federal Register on June 22, 2007, addressing data breaches of sensitive personal information that is processed or maintained by the Department of Veterans Affairs (VA). This final rule implements certain provisions of the Veterans Benefits, Health Care, and Information Technology Act of 2006. The regulations prescribe the mechanisms for taking action in response to a data breach of sensitive personal information.

Stress and High Blood Pressure: What's the Connection?

MedlinePlus

Stress and high blood pressure: What's the connection? Stress and long-term high blood pressure may not be linked, but taking steps to reduce your stress can improve your general health, including your blood ...

Julian Schwinger and the Source Theory

Science.gov Websites

existing (operator) field theory to describe the new experimental discoveries in high energy particle , Purdue University 1964 National Medal of Science Top Some links on this page may take you to non-federal

Arthur B. McDonald and Oscillating Neutrinos

Science.gov Websites

matter had been incredibly successful, having resisted all experimental challenges for more than twenty Prize in Physics Additional information about neutrinos Top Some links on this page may take you to non

Val L. Fitch, the CP Violation, and Antimatter

Science.gov Websites

Cronin received the Ernest Orlando Lawrence Award in 1976 for major experimental contributions to Why Matter Exists, Princeton University Top Some links on this page may take you to non-federal

Defense.gov Special Report: National Preparedness Month - 2014

Science.gov Websites

Related Links Presidential Message For National Day of Action White House Memorandum: 2015 National Key Role in Disaster Response, Official Says Be Disaster Aware, Take Action to Prepare PrepareAthon

Post-Deployment Memorial Ceremony: A Vital Link

DTIC Science & Technology

2008-03-25

stress and possible post traumatic stress disorder ( PTSD ). Post - deployment memorial ceremonies provide the final link to...grieved in the allotted time provided at a memorial ceremony. Research into post - traumatic stress disorder ( PTSD ) indicates the cumulative effects...New York: Atheneum, 1994), 40. 38 Glenn R. Schiraldi, The Post – Traumatic Stress Disorder Sourcebook (Los Angeles: Lowell House, 2000),

Institutional Links in Higher Education in Commonwealth Asia. A Pan-Commonwealth Experts Meeting (Bangalore, India, February 2-5, 1986). Final Report.

ERIC Educational Resources Information Center

Commonwealth Secretariat, London (England).

This report presents the conclusions and recommendations of the Pan-Commonwealth Experts meeting of 1986. The purpose of the meeting was to review the experience of institutional links which facilitate systematic cooperation between academic and research institutions and contribute to international development throughout the British Commonwealth…

Final report of key comparison AFRIMETS.AUV.A-K5: primary pressure calibration of LS1P microphones according to IEC 61094-2, over the frequency range 2 Hz to 10 kHz.

NASA Astrophysics Data System (ADS)

Nel, R.; Avison, J.; Harris, P.; Blabla, M.; Hämäläinen, J.

2017-01-01

The degrees of equivalence of the AFRIMETS.AUV.A-K5 regional key comparison are reported here as the final report. The scope of the comparison covered the complex pressure sensitivities of two LS1P microphones over the frequency range 2 Hz to 10 kHz in accordance with IEC 61094-2: 2009. Four national metrology institutes from two different regional metrology organisations participated in the comparison. Two LS1P microphones were circulated simultaneously to all the participants in a circular configuration. One of the microphones sensitivity shifted and all results associated with this microphone were subsequently excluded from further analysis and linking. The AFRIMETS.AUV.A-K5 comparison results were linked to the CCAUV.A-K5 comparison results via dual participation in the CCAUV.A-K5 and AFRIMETS.AUV.A-K5 comparisons. The degrees of equivalence, linked to the CCAUV.A-K5 comparison, were calculated for all participants of this comparison. Main text To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/. The final report has been peer-reviewed and approved for publication by the CCAUV, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).

Exploiting Information Diffusion Feature for Link Prediction in Sina Weibo

NASA Astrophysics Data System (ADS)

Li, Dong; Zhang, Yongchao; Xu, Zhiming; Chu, Dianhui; Li, Sheng

2016-01-01

The rapid development of online social networks (e.g., Twitter and Facebook) has promoted research related to social networks in which link prediction is a key problem. Although numerous attempts have been made for link prediction based on network structure, node attribute and so on, few of the current studies have considered the impact of information diffusion on link creation and prediction. This paper mainly addresses Sina Weibo, which is the largest microblog platform with Chinese characteristics, and proposes the hypothesis that information diffusion influences link creation and verifies the hypothesis based on real data analysis. We also detect an important feature from the information diffusion process, which is used to promote link prediction performance. Finally, the experimental results on Sina Weibo dataset have demonstrated the effectiveness of our methods.

Exploiting Information Diffusion Feature for Link Prediction in Sina Weibo.

PubMed

Li, Dong; Zhang, Yongchao; Xu, Zhiming; Chu, Dianhui; Li, Sheng

2016-01-28

The rapid development of online social networks (e.g., Twitter and Facebook) has promoted research related to social networks in which link prediction is a key problem. Although numerous attempts have been made for link prediction based on network structure, node attribute and so on, few of the current studies have considered the impact of information diffusion on link creation and prediction. This paper mainly addresses Sina Weibo, which is the largest microblog platform with Chinese characteristics, and proposes the hypothesis that information diffusion influences link creation and verifies the hypothesis based on real data analysis. We also detect an important feature from the information diffusion process, which is used to promote link prediction performance. Finally, the experimental results on Sina Weibo dataset have demonstrated the effectiveness of our methods.

Enzyme-Linked Antibodies: A Laboratory Introduction to the ELISA Assay

NASA Astrophysics Data System (ADS)

Anderson, Gretchen L.; McNellis, Leo A.

1998-10-01

A fast and economical laboratory exercise is presented that qualitatively demonstrates the power of enzyme-linked antibodies to detect a specific antigen. Although ELISAs are commonly used in disease diagnosis in clinical settings, this application uses biotin, covalently attached to albumin, to take advantage of readily available reagents and avoids problems associated with potentially pathogenic antigens. The laboratory exercise is suitable for high school or freshman level biochemistry courses, and can be completed within two hours.

48 CFR 1852.235-73 - Final Scientific and Technical Reports.

Code of Federal Regulations, 2012 CFR

2012-10-01

... regarding appropriate electronic formats for final reports is available at http://www.sti.nasa.gov under....nasa.gov under the “Get Help” link. (e) In accordance with paragraph (d) of the Rights in Data—General... contained in NPR 2200.2, Guidelines for Documentation, Approval, and Dissemination of NASA Scientific and...

48 CFR 1852.235-73 - Final Scientific and Technical Reports.

Code of Federal Regulations, 2013 CFR

2013-10-01

... regarding appropriate electronic formats for final reports is available at http://www.sti.nasa.gov under....nasa.gov under the “Get Help” link. (e) In accordance with paragraph (d) of the Rights in Data—General... contained in NPR 2200.2, Guidelines for Documentation, Approval, and Dissemination of NASA Scientific and...

48 CFR 1852.235-73 - Final Scientific and Technical Reports.

Code of Federal Regulations, 2011 CFR

2011-10-01

... regarding appropriate electronic formats for final reports is available at http://www.sti.nasa.gov under....nasa.gov under the “Get Help” link. (e) In accordance with paragraph (d) of the Rights in Data—General... contained in NPR 2200.2, Guidelines for Documentation, Approval, and Dissemination of NASA Scientific and...

48 CFR 1852.235-73 - Final Scientific and Technical Reports.

Code of Federal Regulations, 2014 CFR

2014-10-01

... regarding appropriate electronic formats for final reports is available at http://www.sti.nasa.gov under....nasa.gov under the “Get Help” link. (e) In accordance with paragraph (d) of the Rights in Data—General... contained in NPR 2200.2, Guidelines for Documentation, Approval, and Dissemination of NASA Scientific and...

Long term records of lake clarity as an indicator for final ecosystem goods and services of lakes

EPA Science Inventory

We reviewed available long-term records of lake clarity (via secchi disc readings) as an indicator of final ecosystem goods and services of lakes. Lake water quality assessments are often based on biophysical indicators not explicitly or quantifiably linked to the ecosystem servi...

Molecular Characterization of Human MUC16 (CA125) in Breast Cancer

DTIC Science & Technology

2015-04-01

and O-linked glycosylation takes place as it progresses through the cis-medial-trans Golgi apparatus . In addition, the juxta-membrane ectodomain...swapping experiment. Further, the cleavage of MUC16 was found to take place in the Golgi /post- Golgi compartments and is dependent on the acidic pH in the...therapeutic interventions based on MUC16. 15. SUBJECT TERMS Mucin 16 (MUC16), MUC16-Cter, Golgi /post- Golgi , nuclear localization 16. SECURITY

Duration and quality of the peer review process: the author's perspective.

PubMed

Huisman, Janine; Smits, Jeroen

2017-01-01

To gain insight into the duration and quality of the scientific peer review process, we analyzed data from 3500 review experiences submitted by authors to the SciRev.sc website. Aspects studied are duration of the first review round, total review duration, immediate rejection time, the number, quality, and difficulty of referee reports, the time it takes authors to revise and resubmit their manuscript, and overall quality of the experience. We find clear differences in these aspects between scientific fields, with Medicine, Public health, and Natural sciences showing the shortest durations and Mathematics and Computer sciences, Social sciences, Economics and Business, and Humanities the longest. One-third of journals take more than 2 weeks for an immediate (desk) rejection and one sixth even more than 4 weeks. This suggests that besides the time reviewers take, inefficient editorial processes also play an important role. As might be expected, shorter peer review processes and those of accepted papers are rated more positively by authors. More surprising is that peer review processes in the fields linked to long processes are rated highest and those in the fields linked to short processes lowest. Hence authors' satisfaction is apparently influenced by their expectations regarding what is common in their field. Qualitative information provided by the authors indicates that editors can enhance author satisfaction by taking an independent position vis-à-vis reviewers and by communicating well with authors.

Economic demand predicts addiction-like behavior and therapeutic efficacy of oxytocin in the rat.

PubMed

Bentzley, Brandon S; Jhou, Thomas C; Aston-Jones, Gary

2014-08-12

Development of new treatments for drug addiction will depend on high-throughput screening in animal models. However, an addiction biomarker fit for rapid testing, and useful in both humans and animals, is not currently available. Economic models are promising candidates. They offer a structured quantitative approach to modeling behavior that is mathematically identical across species, and accruing evidence indicates economic-based descriptors of human behavior may be particularly useful biomarkers of addiction severity. However, economic demand has not yet been established as a biomarker of addiction-like behavior in animals, an essential final step in linking animal and human studies of addiction through economic models. We recently developed a mathematical approach for rapidly modeling economic demand in rats trained to self-administer cocaine. We show here that economic demand, as both a spontaneous trait and induced state, predicts addiction-like behavior, including relapse propensity, drug seeking in abstinence, and compulsive (punished) drug taking. These findings confirm economic demand as a biomarker of addiction-like behavior in rats. They also support the view that excessive motivation plays an important role in addiction while extending the idea that drug dependence represents a shift from initially recreational to compulsive drug use. Finally, we found that economic demand for cocaine predicted the efficacy of a promising pharmacotherapy (oxytocin) in attenuating cocaine-seeking behaviors across individuals, demonstrating that economic measures may be used to rapidly identify the clinical utility of prospective addiction treatments.

Neural Underpinnings of Decision Strategy Selection: A Review and a Theoretical Model

PubMed Central

Wichary, Szymon; Smolen, Tomasz

2016-01-01

In multi-attribute choice, decision makers use decision strategies to arrive at the final choice. What are the neural mechanisms underlying decision strategy selection? The first goal of this paper is to provide a literature review on the neural underpinnings and cognitive models of decision strategy selection and thus set the stage for a neurocognitive model of this process. The second goal is to outline such a unifying, mechanistic model that can explain the impact of noncognitive factors (e.g., affect, stress) on strategy selection. To this end, we review the evidence for the factors influencing strategy selection, the neural basis of strategy use and the cognitive models of this process. We also present the Bottom-Up Model of Strategy Selection (BUMSS). The model assumes that the use of the rational Weighted Additive strategy and the boundedly rational heuristic Take The Best can be explained by one unifying, neurophysiologically plausible mechanism, based on the interaction of the frontoparietal network, orbitofrontal cortex, anterior cingulate cortex and the brainstem nucleus locus coeruleus. According to BUMSS, there are three processes that form the bottom-up mechanism of decision strategy selection and lead to the final choice: (1) cue weight computation, (2) gain modulation, and (3) weighted additive evaluation of alternatives. We discuss how these processes might be implemented in the brain, and how this knowledge allows us to formulate novel predictions linking strategy use and neural signals. PMID:27877103

How can payback from health services research be assessed?

PubMed

Buxton, M; Hanney, S

1996-01-01

Throughout the world there is a growing recognition that health care should be research-led. This strengthens the requirement for expenditure on health services research to be justified by demonstrating the benefits it produces. However, payback from health research and development is a complex concept and little used term. Five main categories of payback can be identified: knowledge; research benefits; political and administrative benefits; health sector benefits; and broader economic benefits. Various models of research utilization together with previous assessments of payback from research helped in the development of a new conceptual model of how and where payback may occur. The model combines an input-output perspective with an examination of the permeable interfaces between research and its environment. The model characterizes research projects in terms of Inputs, Processes, and Primary Outputs. The last consist of knowledge and research benefits. There are two interfaces between the project and its environment. The first (Project Specification, Selection and Commissioning) is the link with Research Needs Assessment. The second (Dissemination) should lead to Secondary Outputs (which are policy or administrative decisions), and usually Applications (which take the form of behavioural changes), from which Impacts or Final Outcomes result. It is at this final stage that health and wider economic benefits can be measured. A series of case studies were used to assess the feasibility both of applying the model and the payback categorization. The paper draws various conclusions from the case studies and identifies a range of issues for further work.

Economic demand predicts addiction-like behavior and therapeutic efficacy of oxytocin in the rat

PubMed Central

Bentzley, Brandon S.; Jhou, Thomas C.; Aston-Jones, Gary

2014-01-01

Development of new treatments for drug addiction will depend on high-throughput screening in animal models. However, an addiction biomarker fit for rapid testing, and useful in both humans and animals, is not currently available. Economic models are promising candidates. They offer a structured quantitative approach to modeling behavior that is mathematically identical across species, and accruing evidence indicates economic-based descriptors of human behavior may be particularly useful biomarkers of addiction severity. However, economic demand has not yet been established as a biomarker of addiction-like behavior in animals, an essential final step in linking animal and human studies of addiction through economic models. We recently developed a mathematical approach for rapidly modeling economic demand in rats trained to self-administer cocaine. We show here that economic demand, as both a spontaneous trait and induced state, predicts addiction-like behavior, including relapse propensity, drug seeking in abstinence, and compulsive (punished) drug taking. These findings confirm economic demand as a biomarker of addiction-like behavior in rats. They also support the view that excessive motivation plays an important role in addiction while extending the idea that drug dependence represents a shift from initially recreational to compulsive drug use. Finally, we found that economic demand for cocaine predicted the efficacy of a promising pharmacotherapy (oxytocin) in attenuating cocaine-seeking behaviors across individuals, demonstrating that economic measures may be used to rapidly identify the clinical utility of prospective addiction treatments. PMID:25071176

Fast thought speed induces risk taking.

PubMed

Chandler, Jesse J; Pronin, Emily

2012-04-01

In two experiments, we tested for a causal link between thought speed and risk taking. In Experiment 1, we manipulated thought speed by presenting neutral-content text at either a fast or a slow pace and having participants read the text aloud. In Experiment 2, we manipulated thought speed by presenting fast-, medium-, or slow-paced movie clips that contained similar content. Participants who were induced to think more quickly took more risks with actual money in Experiment 1 and reported greater intentions to engage in real-world risky behaviors, such as unprotected sex and illegal drug use, in Experiment 2. These experiments provide evidence that faster thinking induces greater risk taking.

Design and development of linked data from the National Map

USGS Publications Warehouse

Usery, E. Lynn; Varanka, Dalia E.

2012-01-01

The development of linked data on the World-Wide Web provides the opportunity for the U.S. Geological Survey (USGS) to supply its extensive volumes of geospatial data, information, and knowledge in a machine interpretable form and reach users and applications that heretofore have been unavailable. To pilot a process to take advantage of this opportunity, the USGS is developing an ontology for The National Map and converting selected data from nine research test areas to a Semantic Web format to support machine processing and linked data access. In a case study, the USGS has developed initial methods for legacy vector and raster formatted geometry, attributes, and spatial relationships to be accessed in a linked data environment maintaining the capability to generate graphic or image output from semantic queries. The description of an initial USGS approach to developing ontology, linked data, and initial query capability from The National Map databases is presented.

Study of the Total Electron Content in Mars ionosphere from MARSIS data set

NASA Astrophysics Data System (ADS)

Bergeot, Nicolas; Witasse, Olivier; Kofman, Wlodek; Grima, Cyril; Mouginot, Jeremie; Peter, Kerstin; Pätzold, Martin; Dehant, Véronique

2016-04-01

Centimeter level accuracy on the signal delay will be required on X-band radio link for future Mars landers such as InSIGHT, aiming at better determining the interior structure of Mars. One of the main error sources in the estimated signal delay is directly linked to the Total Electron Content (TEC) values at Earth and Mars ionosphere level. While the Earth ionosphere is now well modeled and monitored at regional and global scales, this is not the case concerning the Mars' upper atmosphere. The present paper aims at establishing the basis to model the climatological behavior of the TEC on a global scale in the Mars' ionosphere. For that we analyzed ˜8.5 years of data (mid-2005 to 2014) of the vertical Total Electron Content (vTEC) expressed in TEC units (1 TECu = 1016e-.m-2) from the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS) radar. Our study takes advantage of the double data set of EUV solar index and Mars vTEC data to develop an empirical Model of Mars Ionosphere (MoMo). The finality of this model is to predict the vTEC at a given latitude, solar zenith angle and season taking only F10.7P solar index as input. To minimize the differences during the least-square adjustment between the modeled and observed vTEC, we considered (1) a 4th-order polynomial function to describe the vTEC diurnal behavior (2) a discretization with respect to Mars seasons (depending on Ls) and (3) two latitudinal sectors (North and South hemispheres). The mean of the differences between the model and the observations is 0.00±0.07 TECu with an error of the model around 0.1 TECu depending on the Solar Zenith Angle (SZA), season and hemisphere of interest (e.g. rms 0.12 TECu for SZA equal to 50°±5° in the Northern hemisphere during the spring season). Additionally, comparison with 250 Mars Express radio occultation data shows differences with MoMo predictions of 0.02±0.06 TECu for solar zenith angles below 50 degrees. Using the model we (1) highlighted different behaviors of Mars ionosphere depending on seasons, solar activity level, and latitudes; (2) estimated a maximum effect on X-Band signal delay (up plus down links) of ˜3 cm during the autumn season and high solar activity at the future InSIGHT lander location.

Bridging Food Webs, Ecosystem Metabolism, and Biogeochemistry Using Ecological Stoichiometry Theory

PubMed Central

Welti, Nina; Striebel, Maren; Ulseth, Amber J.; Cross, Wyatt F.; DeVilbiss, Stephen; Glibert, Patricia M.; Guo, Laodong; Hirst, Andrew G.; Hood, Jim; Kominoski, John S.; MacNeill, Keeley L.; Mehring, Andrew S.; Welter, Jill R.; Hillebrand, Helmut

2017-01-01

Although aquatic ecologists and biogeochemists are well aware of the crucial importance of ecosystem functions, i.e., how biota drive biogeochemical processes and vice-versa, linking these fields in conceptual models is still uncommon. Attempts to explain the variability in elemental cycling consequently miss an important biological component and thereby impede a comprehensive understanding of the underlying processes governing energy and matter flow and transformation. The fate of multiple chemical elements in ecosystems is strongly linked by biotic demand and uptake; thus, considering elemental stoichiometry is important for both biogeochemical and ecological research. Nonetheless, assessments of ecological stoichiometry (ES) often focus on the elemental content of biota rather than taking a more holistic view by examining both elemental pools and fluxes (e.g., organismal stoichiometry and ecosystem process rates). ES theory holds the promise to be a unifying concept to link across hierarchical scales of patterns and processes in ecology, but this has not been fully achieved. Therefore, we propose connecting the expertise of aquatic ecologists and biogeochemists with ES theory as a common currency to connect food webs, ecosystem metabolism, and biogeochemistry, as they are inherently concatenated by the transfer of carbon, nitrogen, and phosphorous through biotic and abiotic nutrient transformation and fluxes. Several new studies exist that demonstrate the connections between food web ecology, biogeochemistry, and ecosystem metabolism. In addition to a general introduction into the topic, this paper presents examples of how these fields can be combined with a focus on ES. In this review, a series of concepts have guided the discussion: (1) changing biogeochemistry affects trophic interactions and ecosystem processes by altering the elemental ratios of key species and assemblages; (2) changing trophic dynamics influences the transformation and fluxes of matter across environmental boundaries; (3) changing ecosystem metabolism will alter the chemical diversity of the non-living environment. Finally, we propose that using ES to link nutrient cycling, trophic dynamics, and ecosystem metabolism would allow for a more holistic understanding of ecosystem functions in a changing environment. PMID:28747904

Perspective-taking increases willingness to engage in intergroup contact.

PubMed

Wang, Cynthia S; Kenneth, Tai; Ku, Gillian; Galinsky, Adam D

2014-01-01

The current research explored whether perspective-taking increases willingness to engage in contact with stereotyped outgroup members. Across three studies, we find that perspective-taking increases willingness to engage in contact with negatively-stereotyped targets. In Study 1, perspective-takers sat closer to, whereas stereotype suppressors sat further from, a hooligan compared to control participants. In Study 2, individual differences in perspective-taking tendencies predicted individuals' willingness to engage in contact with a hooligan, having effects above and beyond those of empathic concern. Finally, Study 3 demonstrated that perspective-taking's effects on intergroup contact extend to the target's group (i.e., another homeless man), but not to other outgroups (i.e., a man of African descent). Consistent with other perspective-taking research, our findings show that perspective-taking facilitates the creation of social bonds by increasing contact with stereotyped outgroup members.

Ultra Violet Waterworks (UVW)

Science.gov Websites

cheaply disinfect water. It is a uniquely effective device that operates using the equivalent of a 60-Watt - Curriculum Vita Top Some links on this page may take you to non-federal websites. Their policies may differ

A Women's Health Course with a Feminist Perspective: Learning to Care for and Empower Ourselves.

ERIC Educational Resources Information Center

Boughn, Susan

1991-01-01

Describes a women's health course that teaches strategies promoting self-awareness, self-esteem, independence, risk taking, empowerment, and assertiveness. Links caring and empowerment as related to the nursing profession. (SK)

Masatoshi Koshiba and Cosmic Neutrinos

Science.gov Websites

Koshiba, American Institute of Physics (AIP) 2002 W.K.H. Panofsky Prize in Experimental Particle Physics Institute Top Some links on this page may take you to non-federal websites. Their policies may differ from

Barbara McClintock, Jumping Genes, and Transposition

Science.gov Websites

genetics, to which McClintock made seminal contributions both experimental and conceptual, has come to (CSHL) Top Some links on this page may take you to non-federal websites. Their policies may differ from

James Cronin, CP Violation, and the Pierre Auger Observatory

Science.gov Websites

Lawrence Award in 1976 for major experimental contributions to particle physics including fundamental work Galactic Powerhouses Top Some links on this page may take you to non-federal websites. Their policies may

Georges Charpak, Particle Detectors, and Multiwire Chambers

Science.gov Websites

particle detectors used throughout experimental particle physics. In 1968, he invented and developed the the 2005 International Year of Physics (video) Top Some links on this page may take you to non-federal

Ivar Giaever, Tunneling, and Superconductors

Science.gov Websites

... Interview with Ivar Giaever (video) Ivar Giaever - Science Video Interview: Tunneling in Semiconductors and Superconductors (video) How Quantum Tunneling Works (video) Top Some links on this page may take you to non

Prediction in complex systems: The case of the international trade network

NASA Astrophysics Data System (ADS)

Vidmer, Alexandre; Zeng, An; Medo, Matúš; Zhang, Yi-Cheng

2015-10-01

Predicting the future evolution of complex systems is one of the main challenges in complexity science. Based on a current snapshot of a network, link prediction algorithms aim to predict its future evolution. We apply here link prediction algorithms to data on the international trade between countries. This data can be represented as a complex network where links connect countries with the products that they export. Link prediction techniques based on heat and mass diffusion processes are employed to obtain predictions for products exported in the future. These baseline predictions are improved using a recent metric of country fitness and product similarity. The overall best results are achieved with a newly developed metric of product similarity which takes advantage of causality in the network evolution.

Discovery and characterization of a photo-oxidative histidine-histidine cross-link in IgG1 antibody utilizing ¹⁸O-labeling and mass spectrometry.

PubMed

Liu, Min; Zhang, Zhongqi; Cheetham, Janet; Ren, Da; Zhou, Zhaohui Sunny

2014-05-20

A novel photo-oxidative cross-linking between two histidines (His-His) has been discovered and characterized in an IgG1 antibody via the workflow of XChem-Finder, (18)O labeling and mass spectrometry (Anal. Chem. 2013, 85, 5900-5908). Its structure was elucidated by peptide mapping with multiple proteases with various specificities (e.g., trypsin, Asp-N, and GluC combined with trypsin or Asp-N) and mass spectrometry with complementary fragmentation modes (e.g., collision-induced dissociation (CID) and electron-transfer dissociation (ETD)). Our data indicated that cross-linking occurred across two identical conserved histidine residues on two separate heavy chains in the hinge region, which is highly flexible and solvent accessible. On the basis of model studies with short peptides, it has been proposed that singlet oxygen reacts with the histidyl imidazole ring to form an endoperoxide and then converted to the 2-oxo-histidine (2-oxo-His) and His+32 intermediates, the latter is subject to a nucleophilic attack by the unmodified histidine; and finally, elimination of a water molecule leads to the final adduct with a net mass increase of 14 Da. Our findings are consistent with this mechanism. Successful discovery of cross-linked His-His again demonstrates the broad applicability and utility of our XChem-Finder approach in the discovery and elucidation of protein cross-linking, particularly without a priori knowledge of the chemical nature and site of cross-linking.

On-board congestion control for satellite packet switching networks

NASA Technical Reports Server (NTRS)

Chu, Pong P.

1991-01-01

It is desirable to incorporate packet switching capability on-board for future communication satellites. Because of the statistical nature of packet communication, incoming traffic fluctuates and may cause congestion. Thus, it is necessary to incorporate a congestion control mechanism as part of the on-board processing to smooth and regulate the bursty traffic. Although there are extensive studies on congestion control for both baseband and broadband terrestrial networks, these schemes are not feasible for space based switching networks because of the unique characteristics of satellite link. Here, we propose a new congestion control method for on-board satellite packet switching. This scheme takes into consideration the long propagation delay in satellite link and takes advantage of the the satellite's broadcasting capability. It divides the control between the ground terminals and satellite, but distributes the primary responsibility to ground terminals and only requires minimal hardware resource on-board satellite.

Link prediction measures considering different neighbors’ effects and application in social networks

NASA Astrophysics Data System (ADS)

Luo, Peng; Wu, Chong; Li, Yongli

Link prediction measures have been attracted particular attention in the field of mathematical physics. In this paper, we consider the different effects of neighbors in link prediction and focus on four different situations: only consider the individual’s own effects; consider the effects of individual, neighbors and neighbors’ neighbors; consider the effects of individual, neighbors, neighbors’ neighbors, neighbors’ neighbors’ neighbors and neighbors’ neighbors’ neighbors’ neighbors; consider the whole network participants’ effects. Then, according to the four situations, we present our link prediction models which also take the effects of social characteristics into consideration. An artificial network is adopted to illustrate the parameter estimation based on logistic regression. Furthermore, we compare our methods with the some other link prediction methods (LPMs) to examine the validity of our proposed model in online social networks. The results show the superior of our proposed link prediction methods compared with others. In the application part, our models are applied to study the social network evolution and used to recommend friends and cooperators in social networks.

77 FR 34967 - Notice of Issuance of Final Determination Concerning Digital Projectors

Federal Register 2010, 2011, 2012, 2013, 2014

2012-06-12

... six function tests in the ``post test'', the EDID firmware is programmed into the digital projectors... tests and consists of at least 97 steps taking approximately 137.8 minutes. After the whole projector is... includes 11 kinds of function tests and consists of at least 97 steps which will take approximately 11...

75 FR 30714 - Endangered and Threatened Wildlife and Plants: Final Rulemaking To Establish Take Prohibitions...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-06-02

... Channel Islands from the list of areas known to be occupied by Southern DPS green sturgeon, noting that... green sturgeon occur in waters around the California Channel Islands and we specifically noted this in... sturgeon occurred in the waters around the Channel Islands, the take prohibitions under the ESA 4(d) rule...

78 FR 61821 - Taking of Marine Mammals Incidental to Commercial Fishing Operations; Harbor Porpoise Take...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-10-04

...;Prices of new books are listed in the first FEDERAL REGISTER issue of each #0;week. #0; #0; #0; #0;#0... fishing closure that was based on an obsolete trigger to prevent unnecessary economic impacts from... of time for comment and allowed an expedient implementation of this final rule. Economic Impacts of...

Theft of information in the take-grant protection model

NASA Technical Reports Server (NTRS)

Bishop, Matt

1989-01-01

Using the information transfer extensions to the Take-Grant Protection Model, the concept of theft of information is defined and necessary and sufficient conditions for such theft to occur are presented, as well as bounds on the number of actors involved in such theft. Finally, the application of these results to reference monitors are explored.

W/V-Band Terrestrial Link Experiment (WTLE)

NASA Image and Video Library

2016-01-20

NASA Glenn researchers Jacki Houts, James Nessel and Michael Zemba perform a final inspection of the W/V-Band Terrestrial Link Experiment (WTLE) before it was transported to Albuquerque, New Mexico for testing. The experiment hardware includes a transmitter, which has been placed on the crest of the Sandia Mountains and a receiver (shown) placed at a research facility of the University of New Mexico. The wireless link spans 23km and will be used to study the effects of the atmosphere on high data-rate wireless communication links at 72 and 84 GHz. The goal of the experiment is to study these frequency bands for satellite communications.

Analysis of link performance for the FOENEX laser communications system

NASA Astrophysics Data System (ADS)

Juarez, Juan C.; Young, David W.; Venkat, Radha A.; Brown, David M.; Brown, Andrea M.; Oberc, Rachel L.; Sluz, Joseph E.; Pike, H. Alan; Stotts, Larry B.

2012-06-01

A series of experiments were conducted to validate the performance of the free-space optical communications (FSOC) subsystem under DARPA's FOENEX program. Over six days, bidirectional links at ranges of 10 and 17 km were characterized during different periods of the day to evaluate link performance. This paper will present the test configuration, evaluate performance of the FSOC subsystem against a variety of characterization approaches, and discuss the impact of the results, particularly with regards to the optical terminals. Finally, this paper will summarize the impact of turbulence conditions on the FSOC subsystem and present methods for estimating performance under different link distances and turbulence conditions.

78 FR 79317 - Approval of Request for Delegation of Authority for Prevention of Accidental Release, North...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-12-30

... Department of Agriculture AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. SUMMARY: The Environmental Protection Agency (EPA) is taking final action to approve North Dakota Department of Agriculture's... Department of Agriculture (iv) The initials RMP mean Risk Management Plan (v) The initials CFR mean Code of...

78 FR 34402 - Final Environmental Impact Statement, Habitat Conservation Plan, and Implementing Agreement...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-06-07

...-FF03E15000] Final Environmental Impact Statement, Habitat Conservation Plan, and Implementing Agreement, Ni... Environmental Impact Statement (FEIS) associated with an application received from NiSource Inc. (hereafter ``Ni... Endangered Species Act of 1973, as amended (ESA). If issued, the ITP would authorize NiSource to take 10...

77 FR 13978 - Railroad Workplace Safety; Adjacent-Track On-Track Safety for Roadway Workers

Federal Register 2010, 2011, 2012, 2013, 2014

2012-03-08

... rule; delay of effective date and request for comments. SUMMARY: This document delays the effective date of the final rule published November 30, 2011, and scheduled to take effect on May 1, 2012. The final rule mandates that roadway workers comply with specified on-track safety procedures that railroads...

Relaxation of Summer Gasoline Volatility Standard for Jefferson and Shelby counties, Alabama (“the Birmingham area”) Final action Additional Resources

EPA Pesticide Factsheets

Federal Registers and fact sheets about EPA taking final action to approve a request from the state of Alabama for the EPA to relax the Reid Vapor Pressure standard applicable to gasoline introduced into commerce in the summer time are here.

Arizona Air Quality State Implementation Plans; Final Approval; Douglas, Arizona; Second 10-Year Sulfur Dioxide Maintenance Plan

EPA Pesticide Factsheets

EPA is taking final rulemaking action to approve, as part of the State Implementation Plan (SIP) for the State of Arizona, the second 10-year maintenance plan for the Douglas maintenance area for the 1971 National Ambient Air Quality Standards for SO2.

77 FR 65125 - Approval and Promulgation of Implementation Plans; Georgia 110(a)(1) and (2) Infrastructure...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-10-25

... controls are enforced through the associated SIP rules or Federal Implementation Plans (FIPs). Any purchase... Promulgation of Implementation Plans; Georgia 110(a)(1) and (2) Infrastructure Requirements for the 1997 and... Agency (EPA). ACTION: Final rule. SUMMARY: EPA is taking final action to approve the State Implementation...

SpEnD: Linked Data SPARQL Endpoints Discovery Using Search Engines

NASA Astrophysics Data System (ADS)

Yumusak, Semih; Dogdu, Erdogan; Kodaz, Halife; Kamilaris, Andreas; Vandenbussche, Pierre-Yves

In this study, a novel metacrawling method is proposed for discovering and monitoring linked data sources on the Web. We implemented the method in a prototype system, named SPARQL Endpoints Discovery (SpEnD). SpEnD starts with a "search keyword" discovery process for finding relevant keywords for the linked data domain and specifically SPARQL endpoints. Then, these search keywords are utilized to find linked data sources via popular search engines (Google, Bing, Yahoo, Yandex). By using this method, most of the currently listed SPARQL endpoints in existing endpoint repositories, as well as a significant number of new SPARQL endpoints, have been discovered. Finally, we have developed a new SPARQL endpoint crawler (SpEC) for crawling and link analysis.

Interaction of reward seeking and self-regulation in the prediction of risk taking: A cross-national test of the dual systems model.

PubMed

Duell, Natasha; Steinberg, Laurence; Chein, Jason; Al-Hassan, Suha M; Bacchini, Dario; Lei, Chang; Chaudhary, Nandita; Di Giunta, Laura; Dodge, Kenneth A; Fanti, Kostas A; Lansford, Jennifer E; Malone, Patrick S; Oburu, Paul; Pastorelli, Concetta; Skinner, Ann T; Sorbring, Emma; Tapanya, Sombat; Uribe Tirado, Liliana Maria; Alampay, Liane Peña

2016-10-01

In the present analysis, we test the dual systems model of adolescent risk taking in a cross-national sample of over 5,200 individuals aged 10 through 30 (M = 17.05 years, SD = 5.91) from 11 countries. We examine whether reward seeking and self-regulation make independent, additive, or interactive contributions to risk taking, and ask whether these relations differ as a function of age and culture. To compare across cultures, we conduct 2 sets of analyses: 1 comparing individuals from Asian and Western countries, and 1 comparing individuals from low- and high-GDP countries. Results indicate that reward seeking and self-regulation have largely independent associations with risk taking and that the influences of each variable on risk taking are not unique to adolescence, but that their link to risk taking varies across cultures. (PsycINFO Database Record (c) 2016 APA, all rights reserved).

Help Others and Yourself Eventually: Exploring the Relationship between Help-Giving and Employee Creativity under the Model of Perspective Taking

PubMed Central

Li, Si; Liao, Shudi

2017-01-01

Although a plethora of studies have examined the antecedents of creativity, empirical studies exploring the role of individual behaviors in relation to creativity are relatively scarce. Drawing on the model of perspective taking, this study examines the relationship between help-giving during creative problem solving process and employee creativity. Specifically, we test perspective taking as an explanatory mechanism and propose organization-based self-esteem as the moderator. In a sample collected from a field survey of 247 supervisor-subordinate dyads from 2 large organizations in China at 3 time points, we find that help-giving during creative problem solving process positively related with perspective taking; perspective taking positively related with employees’ creativity; employees’ organization-based self-esteem strengthened the link between perspective taking and creativity; besides, there existed a moderated mediation effect. We conclude this paper with discussions on the implications for theory, research, and practice. PMID:28690566

Modulation and Coding for NASA's New Space Communications Architecture

NASA Technical Reports Server (NTRS)

Deutsch, Leslie J.; Stocklin, Frank J.; Rush, John J.

2008-01-01

With the release in 2006 of NASA's Space Communications and Navigation Architecture, the agency defined its vision for the future in these areas. The results reported in this paper help define the myriad communications links included in this architecture through the year 2030. While these results represent the work of multiple NASA Centers and some of the best experts in the Agency, this is only a first step toward developing international telecommunication link standards that will take the world into the next era of space exploration.

Superdense Coding over Optical Fiber Links with Complete Bell-State Measurements

NASA Astrophysics Data System (ADS)

Williams, Brian P.; Sadlier, Ronald J.; Humble, Travis S.

2017-02-01

Adopting quantum communication to modern networking requires transmitting quantum information through a fiber-based infrastructure. We report the first demonstration of superdense coding over optical fiber links, taking advantage of a complete Bell-state measurement enabled by time-polarization hyperentanglement, linear optics, and common single-photon detectors. We demonstrate the highest single-qubit channel capacity to date utilizing linear optics, 1.665 ±0.018 , and we provide a full experimental implementation of a hybrid, quantum-classical communication protocol for image transfer.

[From microdosimetry to nanodosimetry--the link between radiobiology and radiation physics].

PubMed

Fu, Yuchuan; Li, Ping

2014-06-01

The link between micro- and macro-parameters for radiation interactions that take place in living biological systems is described in this paper. Meanwhile recent progress and development in microdosimetry and nanodosimetry are introduced, including the methods to measure and calculate these micro- or nano-parameters. The relationship between radiobiology and physical quantities in microdosimetry and nanodosimetry was presented. Both the current problems on their applications in radiation protection and radiotherapy and the future development direction are proposed.

Novel fluorescent probe for highly sensitive bioassay using sequential enzyme-linked immunosorbent assay-capillary isoelectric focusing (ELISA-cIEF).

PubMed

Henares, Terence G; Uenoyama, Yuta; Nogawa, Yuto; Ikegami, Ken; Citterio, Daniel; Suzuki, Koji; Funano, Shun-ichi; Sueyoshi, Kenji; Endo, Tatsuro; Hisamoto, Hideaki

2013-06-07

This paper presents a novel rhodamine diphosphate molecule that allows highly sensitive detection of proteins by employing sequential enzyme-linked immunosorbent assay and capillary isoelectric focusing (ELISA-cIEF). Seven-fold improvement in the immunoassay sensitivity and a 1-2 order of magnitude lower detection limit has been demonstrated by taking advantage of the combination of the enzyme-based signal amplification of ELISA and the concentration of enzyme reaction products by cIEF.

Final report on the key comparison, CCM.M.P-K15.1 in the pressure range from 1.0 × 10-4 Pa to 1.0 Pa

NASA Astrophysics Data System (ADS)

Wuethrich, Christian; Hongyan, Yu

2017-01-01

At the CCM WG-LP meeting in Berlin in April 2011 the National Institute of Metrology of the people's republic of China asked for an opportunity to be linked to the CCM.M.P-K15 comparison which just ended. METAS, which had been active as pilot for the CCM.M.P-K15, agreed to make a link with NIM. The NIM introduced a new static expansion system in his laboratory. Two spinning rotor gauges and a control electronic are used as transfer standard. The circulation of the transfer standard was made in spring 2012. The drift of the accommodation coefficient of the two SRG was measured by the pilot before and after the comparison. The stability of the transfer standards was excellent and the equivalence between METAS and NIM has been demonstrated. A link to the CCM.M.P­K15 has been established using the results from METAS. It has been possible to achieve a link with a small uncertainty due to the strong correlation of the measurements of METAS in the two comparisons. Main text To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/. The final report has been peer-reviewed and approved for publication by the CCM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).

A Wire Antenna Designed for Space Wave Radiation Over the Earth Using a Genetic Algorithm

DTIC Science & Technology

1997-12-01

are extended beyond that of connecting the wires in series. 1.6 Assumptions 1.6.1 Smooth Earth. It was not prudent for the research to account for an...and circuit grounds are connected in some manner. 1.7 Scope The research proposes a system antenna design, taking into account the link budget. The...1.10 Goals The purpose of the research is to conduct a thorough design approach taking into account all aspects of antenna design, to include the

EPA for Businesses and Non-Profits

EPA Pesticide Factsheets

Information and links to EPA web pages that are meant to help businesses and non-profits adhere to EPA regulations and otherwise protect the environment, take advantage of opportunities to collaborate with the EPA, and find training EPA training programs.

Fund Raising and Public College Trustees.

ERIC Educational Resources Information Center

Farley, Eileen

1986-01-01

Public college trustees' responsibilities in fund raising include ensuring that private fund-raising takes place, setting policies and priorities, linking private philanthropy and public funding authorities, assuring college support of alumni and public relations activities, furthering public confidence, and giving. (MSE)

The Top Quark, Its Discovery, and Subsequent Research

Science.gov Websites

theories of the strong, weak, and electromagnetic interactions and a wealth of experimental information had Subgroup, July 2006 The Collider Detector at Fermilab (CDF) Top Some links on this page may take you to non

James Franck and the “Franck Report”

Science.gov Websites

, The University of Chicago "James Franck was one of Germany's leading experimental physicists in Spectroscopy and Franck Condon Factors (video) Top Some links on this page may take you to non-federal websites

L. James Rainwater and the Atomic Nuclei

Science.gov Websites

described the experimental situation for nuclear quadrupole moments. It was a fortuitous situation made even given value after a lapse of time. Top Some links on this page may take you to non-federal websites

Rethinking psychiatry with OMICS science in the age of personalized P5 medicine: ready for psychiatome?

PubMed Central

2013-01-01

The Diagnostic and Statistical Manual of Mental Disorders (DSM) is universally acknowledged as the prominent reference textbook for the diagnosis and assessment of psychiatric diseases. However, since the publication of its first version in 1952, controversies have been raised concerning its reliability and validity and the need for other novel clinical tools has emerged. Currently the DSM is in its fourth edition and a new fifth edition is expected for release in 2013, in an intense intellectual debate and in a call for new proposals. Since 1952, psychiatry has undergone many changes and is emerging as unique field in the medical area in which a novel approach is being demanded for properly treating patients: not the classical “one-size-fits-all” approach, but a more targeted and tailored diagnosis and therapeutics, taking into account the complex interactions among genes and their products, environment, culture and the psychological apparatus of the subject. OMICS sciences, being based on high-throughput technologies, are systems biology related fields (like genomics, proteomics, transcriptomics and so on). In the frame of the P5 medicine (personalized, participatory, predictive, preventive, psycho-cognitive), they could establish links between psychiatric diseases, which are disorders with a final common symptomatology with vastly heterogeneous biological, environmental and sociological underpinnings, and by understanding the psychiatric diseases beyond their classic symptomatic or syndromal definitions using OMICS research, one can have a broader picture and unprecedented links and reclassification of psychiatric nosology. Importantly, by understanding the basis of heterogeneity in diseases through OMICS research, one could also personalize treatment of psychiatric illnesses. In this manuscript, we discuss a gap in the current psychiatric research, namely the missing logical link among OMICS, personalized medicine and reclassification of diseases. Moreover, we explore the importance of incorporating OMICS-based quantitative dimensional criteria, besides the classical qualitative and categorical approach. PMID:23849623

Direct and indirect effects of multiple stressors on stream invertebrates across watershed, reach and site scales: A structural equation modelling better informing on hydromorphological impacts.

PubMed

Villeneuve, B; Piffady, J; Valette, L; Souchon, Y; Usseglio-Polatera, P

2018-01-15

The purpose of our approach was to take into account the nested spatial scales driving stream functioning in the description of pressures/ecological status links by analysing the results of a hierarchical model. The development of this model has allowed us to answer the following questions: Does the consideration of the indirect links between anthropogenic pressures and stream ecological status modify the hierarchy of pressure types impacting benthic invertebrates? Do the different nested scales play different roles in the anthropogenic pressures/ecological status relationship? Does this model lead to better understanding of the specific role of hydromorphology in the evaluation of stream ecological status? To achieve that goal, we used the Partial Least Square (PLS) path modelling method to develop a structural model linking variables describing (i) land use and hydromorphological alterations at the watershed scale, (ii) hydromorphological alterations at the reach scale, (iii) nutrients-organic matter contamination levels at the site scale, and (iv) substrate characteristics at the sampling site scale, to explain variation in values of a macroinvertebrate-based multimetric index: the French I 2 M 2 . We have highlighted the importance of land use effects exerted on both hydromorphological and chemical characteristics of streams observed at finer scales and their subsequent indirect impact on stream ecological status. Hydromorphological alterations have an effect on the substrate mosaic structure and on the concentrations of nutrients and organic matter at site scale. This result implies that stream hydromorphology can have a major indirect effect on macroinvertebrate assemblages and that the hierarchy of impacts of anthropogenic pressures on stream ecological status generally described in the literature - often determining strategic restoration priorities - has to be re-examined. Finally, the effects of nutrients and organic matter on macroinvertebrate assemblages are lower than expected when all the indirect effects of land use and hydromorphological alterations are taken into account. Copyright © 2017 Elsevier B.V. All rights reserved.

Individual differences in risk taking and endogeneous levels of testosterone, estradiol, and cortisol: A systematic literature search and three independent meta-analyses.

PubMed

Kurath, Jennifer; Mata, Rui

2018-05-03

Hormonal levels have been hypothesized to serve as proximal biological mechanisms underlying individual differences in risk taking. We conducted a systematic literature search and independent meta-analyses to assess the link between endogenous testosterone, estradiol, and cortisol levels and risk-taking related constructs (i.e., risk-taking propensity, impulsivity, sensation seeking, novelty seeking). We found small correlations between risk-taking constructs and testosterone (r = 0.12, 95% CI = 0.08, 0.16, 108 effect sizes, k = 49, N = 9112) as well as estradiol (r = 0.10, 95% CI = 0.02, 0.18, 48 effect sizes, k = 17, N = 2900), but not cortisol (r = -0.01, 95% CI = -0.11, 0.09, 60 effect sizes, k = 27, N = 3880). Overall, these results suggest a biological foundation for individual differences in risk taking. We point out some limitations of past studies and make recommendations for future work investigating the hormonal basis of individual differences in risk taking. Copyright © 2018 Elsevier Ltd. All rights reserved.

The effects of clopidogrel (Plavix) and other oral anticoagulants on early hip fracture surgery.

PubMed

Collinge, Cory A; Kelly, Kevin C; Little, Bert; Weaver, Tara; Schuster, Richard D

2012-10-01

Risk for bleeding complications during and after early hip fracture surgery for patients taking clopidogrel and other anticoagulants have not been defined. The purpose of this study is to assess the perioperative bleeding risks and clinical outcome after early hip fracture surgery performed on patients taking clopidogrel (Plavix) and other oral anticoagulants. Study design is a retrospective cohort analysis using data extracted from hospital records and state death records. Regional medical center (level II trauma). Data for 1118 patients ≥60 years of age who had surgical treatment for a hip fracture between 2004 and 2008 were reviewed. Eighty-two patients undergoing late surgery (>3 days after admission) were excluded. Patients taking clopidogrel were compared against those not taking clopidogrel. In addition, patients taking clopidogrel only were compared against cohorts of patients taking both clopidogrel and aspirin, aspirin only, warfarin only, or no anticoagulant. Seventy-four of 1036 patients (7%) were taking clopidogrel, although control groups included 253 patients on aspirin alone, 90 patients on warfarin, and 619 taking no anticoagulants. No significant differences were noted between patients taking clopidogrel and those not taking clopidogrel in estimated blood loss, transfusion requirement, final blood count, hematoma evacuation, hospital length of stay (LOS), or mortality while in hospital or at 1 year. A higher American Society of Anesthesiologists score was seen in the clopidogrel and warfarin groups (P = 0.05 each), increased LOS in the clopidogrel group (P = 0.05), and higher rate of deep vein thrombosis seen in those patients taking warfarin (P = 0.05). Clopidogrel only versus aspirin versus both aspirin and clopidogrel, versus no anticoagulant versus warfarin showed no significant differences in estimated blood loss, transfusion requirement, final blood count, bleeding or perioperative complications, or mortality. Patients undergoing early hip fracture surgery who are taking clopidogrel, aspirin, or warfarin (with regulated international normalized ratio) are not at substantially increased risk for bleeding, bleeding complications, or mortality. Comorbidities and American Society of Anesthesiologists scores were significantly higher in the clopidogrel group, which may have resulted in the increased postoperative LOS in this group.

The Cultural Boundaries of Perspective-Taking: When and Why Perspective-Taking Reduces Stereotyping.

PubMed

Wang, Cynthia S; Lee, Margaret; Ku, Gillian; Leung, Angela K-Y

2018-06-01

Research conducted in Western cultures indicates that perspective-taking is an effective social strategy for reducing stereotyping. The current article explores whether and why the effects of perspective-taking on stereotyping differ across cultures. Studies 1 and 2 established that perspective-taking reduces stereotyping in Western but not in East Asian cultures. Using a socioecological framework, Studies 2 and 3 found that relational mobility, that is, the extent to which individuals' social environments provide them opportunities to choose new relationships and terminate old ones, explained our effect: Perspective-taking was negatively associated with stereotyping in relationally mobile (Western) but not in relationally stable (East Asian) environments. Finally, Study 4 examined the proximal psychological mechanism underlying the socioecological effect: Individuals in relationally mobile environments are more motivated to develop new relationships than those in relationally stable environments. Subsequently, when this motivation is high, perspective-taking increases self-target group overlap, which then decreases stereotyping.

Perspective-Taking Increases Willingness to Engage in Intergroup Contact

PubMed Central

Wang, Cynthia S.; Kenneth, Tai; Ku, Gillian; Galinsky, Adam D.

2014-01-01

The current research explored whether perspective-taking increases willingness to engage in contact with stereotyped outgroup members. Across three studies, we find that perspective-taking increases willingness to engage in contact with negatively-stereotyped targets. In Study 1, perspective-takers sat closer to, whereas stereotype suppressors sat further from, a hooligan compared to control participants. In Study 2, individual differences in perspective-taking tendencies predicted individuals' willingness to engage in contact with a hooligan, having effects above and beyond those of empathic concern. Finally, Study 3 demonstrated that perspective-taking's effects on intergroup contact extend to the target's group (i.e., another homeless man), but not to other outgroups (i.e., a man of African descent). Consistent with other perspective-taking research, our findings show that perspective-taking facilitates the creation of social bonds by increasing contact with stereotyped outgroup members. PMID:24465648

Skin graft fixation in severe burns: use of topical negative pressure.

PubMed

Kamolz, L P; Lumenta, D B; Parvizi, D; Wiedner, M; Justich, I; Keck, M; Pfurtscheller, K; Schintler, M

2014-09-30

Over the last 50 years, the evolution of burn care has led to a significant decrease in mortality. The biggest impact on survival has been the change in the approach to burn surgery. Early excision and grafting has become a standard of care for the majority of patients with deep burns; the survival of a given patient suffering from major burns is invariably linked to the take rate and survival of skin grafts. The application of topical negative pressure (TNP) therapy devices has demonstrated improved graft take in comparison to conventional dressing methods alone. The aim of this study was to analyze the impact of TNP therapy on skin graft fixation in large burns. In all patients, we applied TNP dressings covering a %TBSA of >25. The following parameters were recorded and documented using BurnCase 3D: age, gender, %TBSA, burn depth, hospital length-of-stay, Baux score, survival, as well as duration and incidence of TNP dressings. After a burn depth adapted wound debridement, coverage was simultaneously performed using split-thickness skin grafts, which were fixed with staples and covered with fatty gauzes and TNP foam. The TNP foam was again fixed with staples to prevent displacement and finally covered with the supplied transparent adhesive film. A continuous subatmospheric pressure between 75-120 mm Hg was applied (VAC®, KCI, Vienna, Austria). The first dressing change was performed on day 4. Thirty-six out of 37 patients, suffering from full thickness burns, were discharged with complete wound closure; only one patient succumbed to their injuries. The overall skin graft take rate was over 95%. In conclusion, we consider that split thickness skin graft fixation by TNP is an efficient method in major burns, notably in areas with irregular wound surfaces or subject to movement (e.g. joint proximity), and is worth considering for the treatment of aged patients.

78 FR 72036 - Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-12-02

... maintenance plan to the year 2025 and updating the sub-area motor vehicle emission budgets (MVEBs) for... taking? III. Why is EPA taking these actions? IV. What are the effects of these actions? V. Final Action... design values Location County Monitor ID 2008 2009 2010 2008-2010 Lincoln County Replacing Iron Station...

Becoming Teachers: Examining How Preservice Elementary Teachers Use Language to Construct Professional Identities, Learn within Relationships, and Take Risks in the Classroom

ERIC Educational Resources Information Center

Ticknor, Anne Swenson

2010-01-01

This longitudinal qualitative study examined how four preservice elementary teachers used language to construct professional identities, learn within relationships, and take risks in the classroom during their final three semesters in teacher education coursework and field experiences. My female participants were former students of mine in the…

How Much Is that Exam Grade Really Worth? An Estimation of Student Risk Aversion to Their Unknown Final College Course Grades

ERIC Educational Resources Information Center

Nalley, Lanier; McKenzie, Andrew

2011-01-01

This study created an experimental design with which students can empirically assess their risk behavior with respect to exam grades within an expected utility framework. Specifically, the authors analyzed students' risk preferences associated with taking exams and earning a "risky" unknown grade versus not taking exams and instead…

Overcoming Barriers to Firewise Actions by Residents. Final Report to Joint Fire Science Program

Treesearch

James D. Absher; Jerry J. Vaske; Katie M. Lyon

2013-01-01

Encouraging the public to take action (e.g., creating defensible space) that can reduce the likelihood of wildfire damage and decrease the likelihood of injury is a common approach to increasing wildfire safety and damage mitigation. This study was designed to improve our understanding of both individual and community actions that homeowners currently do or might take...

Insight on the formation of chitosan nanoparticles through ionotropic gelation with tripolyphosphate.

PubMed

Koukaras, Emmanuel N; Papadimitriou, Sofia A; Bikiaris, Dimitrios N; Froudakis, George E

2012-10-01

This work reports details pertaining to the formation of chitosan nanoparticles that we prepare by the ionic gelation method. The molecular interactions of the ionic cross-linking of chitosan with tripolyphosphate have been investigated and elucidated by means of all-electron density functional theory. Solvent effects have been taken into account using implicit models. We have identified primary-interaction ionic cross-linking configurations that we define as H-link, T-link, and M-link, and we have quantified the corresponding interaction energies. H-links, which display high interaction energies and are also spatially broadly accessible, are the most probable cross-linking configurations. At close range, proton transfer has been identified, with maximum interaction energies ranging from 12.3 up to 68.3 kcal/mol depending on the protonation of the tripolyphosphate polyanion and the relative coordination of chitosan with tripolyphosphate. On the basis of our results for the linking types (interaction energies and torsion bias), we propose a simple mechanism for their impact on the chitosan/TPP nanoparticle formation process. We introduce the β ratio, which is derived from the commonly used α ratio but is more fundamental since it additionally takes into account structural details of the oligomers.

Classical and quantum Reissner-Nordström black hole thermodynamics and first order phase transition

NASA Astrophysics Data System (ADS)

Ghaffarnejad, Hossein

2016-01-01

First we consider classical Reissner-Nordström black hole (CRNBH) metric which is obtained by solving Einstein-Maxwell metric equation for a point electric charge e inside of a spherical static body with mass M. It has 2 interior and exterior horizons. Using Bekenstein-Hawking entropy theorem we calculate interior and exterior entropy, temperature, Gibbs free energy and heat capacity at constant electric charge. We calculate first derivative of the Gibbs free energy with respect to temperature which become a singular function having a singularity at critical point Mc=2|e|/√{3} with corresponding temperature Tc=1/24π√{3|e|}. Hence we claim first order phase transition is happened there. Temperature same as Gibbs free energy takes absolutely positive (negative) values on the exterior (interior) horizon. The Gibbs free energy takes two different positive values synchronously for 0< T< Tc but not for negative values which means the system is made from two subsystem. For negative temperatures entropy reaches to zero value at Tto-∞ and so takes Bose-Einstein condensation single state. Entropy increases monotonically in case 0< T< Tc. Regarding results of the work presented at Wang and Huang (Phys. Rev. D 63:124014, 2001) we calculate again the mentioned thermodynamical variables for remnant stable final state of evaporating quantum Reissner-Nordström black hole (QRNBH) and obtained results same as one in case of the CRNBH. Finally, we solve mass loss equation of QRNBH against advance Eddington-Finkelstein time coordinate and derive luminosity function. We obtain switching off of QRNBH evaporation before than the mass completely vanishes. It reaches to a could Lukewarm type of RN black hole which its final remnant mass is m_{final}=|e| in geometrical units. Its temperature and luminosity vanish but not in Schwarzschild case of evaporation. Our calculations can be take some acceptable statements about information loss paradox (ILP).

Alzheimer's disease: a gas model. The NADPH oxidase-Nitric Oxide system as an antibubble biomachinery.

PubMed

Denis, Pierre A

2013-12-01

Alzheimer's disease (AD) is a neurodegenerative disease of unknown origin. The pathological lesions that define AD would be linked to the insidious accumulation of nitrogen, having invaded the brain interstitial fluid (ISF) from the blood via the physiological cycling pool of vascular glucose transporters (GLUT-1). According to this hypothesis, the nitrogen nanobubbles, being chemically inert and actually indestructible for human beings, can not escape from the ISF anymore. They would exert a huge and deleterious pressure against cellular components, especially in microglia and in astrocytes. They could enhance the existing cell oxygen anisotropy, which might enhance the natural bubble nucleation of O2-2O2 in cells or in mitochondria. Indeed, with the help of a new symbolic representation for gas nuclei in chemical reactions, the NADPH oxidase-NO system is identified for the first time, as an antibubble biomachinery, able to break O2-2O2 bubbles up as it releases superoxide O2-. Superoxide is considered as a quantum bubble, which collapses through the reactivity of the gaseous NO radical. Their combination in soluble peroxinitrite provides the change from one state of matter to another, avoiding any risk of a bubble enlargement, and finally avoiding the risk of enzyme crowding or of a bulk pressure variation. However, a bubble is expected to entrap Nitric Oxide (NO), which leads theoretically to a decrease in its bioavailability, and is expected to trigger a guanylyl-cyclase-mediated inflammatory cascade, that could explain the inflammation in AD. In vitro, any increase in the hydrostatic pressure has already been linked to the microtubule disorganization. The amyloid deposits, also known as senile plaques, would behave as a sponge toward ISF nitrogen; Aβ is considered as a foam-stabilizing agent. By taking the shape of cerebral amyloid angiopathy, the amyloid could confine the nitrogen leak from the blood, and progressively insulate the Blood-Brain Barrier against the pollutant. All these theoretical features finally lead to the death of the neurons. The comprehensive statement of the theoretical pro-inflammatory action of inert gases is a real upheaval for the whole medicine. Copyright © 2013 The Author. Published by Elsevier Ltd.. All rights reserved.

Kinematics and force analysis of a robot hand based on an artificial biological control scheme

NASA Astrophysics Data System (ADS)

Kim, Man Guen

An artificial biological control scheme (ABCS) is used to study the kinematics and statics of a multifingered hand with a view to developing an efficient control scheme for grasping. The ABCS is based on observation of human grasping, intuitively taking it as the optimum model for robotic grasping. A final chapter proposes several grasping measures to be applied to the design and control of a robot hand. The ABCS leads to the definition of two modes of the grasping action: natural grasping (NG), which is the human motion to grasp the object without any special task command, and forced grasping (FG), which is the motion with a specific task. The grasping direction line (GDL) is defined to determine the position and orientation of the object in the hand. The kinematic model of a redundant robot arm and hand is developed by reconstructing the human upper extremity and using anthropometric measurement data. The inverse kinematic analyses of various types of precision and power grasping are studied by replacing the three-link with one virtual link and using the GDL. The static force analysis for grasping with fingertips is studied by applying the ABCS. A measure of grasping stability, that maintains the positions of contacts as well as the configurations of the redundant fingers, is derived. The grasping stability measure (GSM), a measure of how well the hand maintains grasping under the existence of external disturbance, is derived by the torque vector of the hand calculated from the external force applied to the object. The grasping manipulability measure (GMM), a measure of how well the hand manipulates the object for the task, is derived by the joint velocity vector of the hand calculated from the object velocity. The grasping performance measure (GPM) is defined by the sum of the directional components of the GSM and the GMM. Finally, a planar redundant hand with two fingers is examined in order to study the various postures of the hand performing pinch grasping by applying the GSM and the GMM.

A neuroconstructivist model of past tense development and processing.

PubMed

Westermann, Gert; Ruh, Nicolas

2012-07-01

We present a neural network model of learning and processing the English past tense that is based on the notion that experience-dependent cortical development is a core aspect of cognitive development. During learning the model adds and removes units and connections to develop a task-specific final architecture. The model provides an integrated account of characteristic errors during learning the past tense, adult generalization to pseudoverbs, and dissociations between verbs observed after brain damage in aphasic patients. We put forward a theory of verb inflection in which a functional processing architecture develops through interactions between experience-dependent brain development and the structure of the environment, in this case, the statistical properties of verbs in the language. The outcome of this process is a structured processing system giving rise to graded dissociations between verbs that are easy and verbs that are hard to learn and process. In contrast to dual-mechanism accounts of inflection, we argue that describing dissociations as a dichotomy between regular and irregular verbs is a post hoc abstraction and is not linked to underlying processing mechanisms. We extend current single-mechanism accounts of inflection by highlighting the role of structural adaptation in development and in the formation of the adult processing system. In contrast to some single-mechanism accounts, we argue that the link between irregular inflection and verb semantics is not causal and that existing data can be explained on the basis of phonological representations alone. This work highlights the benefit of taking brain development seriously in theories of cognitive development. Copyright 2012 APA, all rights reserved.

Racial/Ethnic Differences in Cigarette Use: The Roles of Mental Illness and Health-Care Access/Utilization.

PubMed

Lo, Celia C; Yang, Fan; Ash-Houchen, William; Cheng, Tyrone C

2018-06-07

Empirical evidence supports a hypothesis that cigarettes may be used to cope with mental illness. Little research, however, addresses how race/ethnicity is linked to mental health and cigarette use. This study applied the self-medication hypothesis. It asked whether mental status was associated, via health-care access/utilization, with the cigarette use outcomes of four racial/ethnic groups. It also tested whether race/ethnicity moderated any such associations. We used nationally representative data from the 2009-2010 and 2011-2012 National Health and Nutrition Examination Surveys to link cigarette use to mental status and health-care access/utilization. The final sample included 3827 White respondents, 1635 African-American respondents, 1144 Mexican-American respondents, and 781 Hispanic American (other than Mexican-American) respondents. Consistent with earlier research and the self-medication hypothesis, we observed a positive relationship between cigarette use and mental status. Associations of cigarette use and health-care access/utilization sometimes failed to take expected directions. We concluded from the findings that race/ethnicity's moderating role in associations between cigarette use and health-care access was generally more advantageous to Whites than other groups examined. Where treatment is delayed by lack of access to, or lack of trust in, care providers, mental health may worsen-and it is often minority Americans who lack access and trust. If minority Americans' health is to improve, shrinking racial health disparities, then access to adequate health care must be available to them, facilitating prompt treatment of mental and other illness.

Does physical activity protect against drug abuse vulnerability?

PubMed

Bardo, Michael T; Compton, Wilson M

2015-08-01

The current review examined recent literature to determine our state of knowledge about the potential ability of physical activity serve as a protectant against drug abuse vulnerability. Both preclinical and clinical studies were examined using either associational or random assignment study designs. In addition to examining drug use as an outcome variable, the potential neural mediators linking physical activity and drug abuse vulnerability were examined. Several important conclusions may be drawn. First, the preclinical evidence is solid in showing that physical activity in various forms is able to serve as both a preventive and treatment intervention that reduces drug use, although voluntary alcohol drinking appears to be an exception to this conclusion. Second, the clinical evidence provides some evidence, albeit mixed, to suggest a beneficial effect of physical activity on tobacco dependent individuals. In contrast, there exists only circumstantial evidence that physical activity may reduce use of drugs other than nicotine, and there is essentially no solid information from random control studies to know if physical activity may prevent initiation of problem use. Finally, both preclinical and clinical evidence shows that various brain systems are altered by physical activity, with the medial prefrontal cortex (mPFC) serving as one potential node that may mediate the putative link between physical activity and drug abuse vulnerability. It is concluded that novel neurobehavioral approaches taking advantage of novel techniques for assessing the physiological impact of physical activity are needed and can be used to inform the longitudinal random control studies that will answer definitively the question posed. Copyright © 2015 Elsevier Ireland Ltd. All rights reserved.

TakeCARE, a Video to Promote Bystander Behavior on College Campuses: Replication and Extension.

PubMed

Jouriles, Ernest N; Sargent, Kelli S; Salis, Katie Lee; Caiozzo, Christina; Rosenfield, David; Cascardi, Michele; Grych, John H; O'Leary, K Daniel; McDonald, Renee

2017-08-01

Previous research has demonstrated that college students who view TakeCARE, a video bystander program designed to encourage students to take action to prevent sexual and relationship violence (i.e., bystander behavior), display more bystander behavior relative to students who view a control video. The current study aimed to replicate and extend these findings by testing two different methods of administering TakeCARE and examining moderators of TakeCARE's effects on bystander behavior. Students at four universities ( n = 557) were randomly assigned to one of three conditions: (a) view TakeCARE in a monitored computer lab, (b) view TakeCARE at their own convenience after receiving an email link to the video, or (c) view a video about study skills (control group). Participants completed measures of bystander behavior at baseline and at a 1-month follow-up. Participants in both TakeCARE conditions reported more bystander behavior at follow-up assessments, compared with participants in the control condition. The beneficial effect of TakeCARE did not differ significantly across administration methods. However, the effects of TakeCARE on bystander behavior were moderated by students' perceptions of campus responsiveness to sexual violence, with more potent effects when students perceived their institution as responsive to reports of sexual violence.

California State Implementation Plan; Final Approval of Revision; Yolo-Solano Air Quality Management District; Reasonably Available Control Technology Requirements for 1997 8-hour Ozone NAAQS

EPA Pesticide Factsheets

EPA is taking final action to approve a revision to the Yolo-Solano Air Quality Management District (YSAQMD) portion of the California SIP concerning YSAQMD regarding RACT)requirements the 1997 8-hour ozone NAAQS and approve negative declarations into SIP.

78 FR 62455 - Approval and Promulgation of Air Quality Implementation Plans; District of Columbia...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-10-22

... ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R03-OAR-2013-0499; FRL-9901-35-Region3...: Environmental Protection Agency (EPA). ACTION: Direct final rule. SUMMARY: EPA is taking direct final action to..., Associate Director, Office of Air Program Planning, Mailcode 3AP30, U.S. Environmental Protection Agency...

77 FR 34402 - Notice of Availability of the Final Land Use Analysis and Final Environmental Impact Statement...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-06-11

... mining would occur directly beneath the lake itself and no surface mining would take place. East Lynn... Rockspring have approved mining and reclamation plans from the West Virginia Department of Environmental... plan purposes if leases were to be issued and mine plans approved. The Office of Surface Mining...

75 FR 25772 - Approval and Promulgation of Air Quality Implementation Plans; Colorado; Revisions to Regulation...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-05-10

... ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R08-OAR-2009-0790; FRL-9114-3] Approval and...: Environmental Protection Agency (EPA). ACTION: Direct final rule. SUMMARY: EPA is taking direct final action..., Environmental Protection Agency (EPA), Region 8, Mailcode 8P-AR, 1595 Wynkoop Street, Denver, Colorado 80202...

77 FR 32022 - Direct Final Negative Declaration and Withdrawal of Large Municipal Waste Combustors State Plan...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-05-31

... Negative Declaration and Withdrawal of Large Municipal Waste Combustors State Plan for Designated.... SUMMARY: EPA is taking direct final action to approve Illinois' negative declaration and request for EPA..., the state may submit a letter of certification to that effect, or a negative declaration, in lieu of a...

75 FR 51479 - Notice of Availability of the Final Environmental Impact Statement for the Chevron Energy...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-08-20

... (EIS) for the Chevron Energy Solutions/Solar Millennium (CESSM), LLC's Blythe Solar Power Plant (BSPP... project and amend the CDCA Plan to prohibit solar energy projects on the project site. The BLM will take..., LVRWB09B2600] Notice of Availability of the Final Environmental Impact Statement for the Chevron Energy...

75 FR 6813 - Approval of Air Quality Implementation Plans; New Mexico; Albuquerque/Bernalillo County

Federal Register 2010, 2011, 2012, 2013, 2014

2010-02-11

...). ACTION: Direct final rule. SUMMARY: The EPA is approving revisions to the State Implementation Plan (SIP.... Background III. Summary of Changes to the New Mexico SIP IV. Final Action V. Statutory and Executive Order Reviews I. What Action Is EPA Taking? Today we are approving revisions to the New Mexico SIP, submitted by...

Effect of Link Flexibility on tip position of a single link robotic arm

NASA Astrophysics Data System (ADS)

Madhusudan Raju, E.; Siva Rama Krishna, L.; Mouli, Y. Sharath Chandra; Nageswara Rao, V.

2015-12-01

The flexible robots are widely used in space applications due to their quick response, lower energy consumption, lower overall mass and operation at high speed compared to conventional industrial rigid link robots. These robots are inherently flexible, so that the kinematics of flexible robots can't be solved with rigid body assumptions. The flexibility in links and joints affects end-point positioning accuracy of the robot. It is important to model the link kinematics with precision which in turn simplifies modelling of dynamics of flexible robots. The main objective of this paper is to evaluate the effect of link flexibility on a tip position of a single link robotic arm for a given motion. The joint is assumed to be rigid and only link flexibility is considered. The kinematics of flexible link problem is evaluated by Assumed Modes Method (AMM) using MAT LAB Programming. To evaluate the effect of link flexibility (with and without payload) of robotic arm, the normalized tip deviation is found for flexible link with respect to a rigid link. Finally, the limiting inertia for payload mass is found if the allowable tip deviation is 5%.

Development and Execution of the RUNSAFE Runway Safety Bayesian Belief Network Model

NASA Technical Reports Server (NTRS)

Green, Lawrence L.

2015-01-01

One focus area of the National Aeronautics and Space Administration (NASA) is to improve aviation safety. Runway safety is one such thrust of investigation and research. The two primary components of this runway safety research are in runway incursion (RI) and runway excursion (RE) events. These are adverse ground-based aviation incidents that endanger crew, passengers, aircraft and perhaps other nearby people or property. A runway incursion is the incorrect presence of an aircraft, vehicle or person on the protected area of a surface designated for the landing and take-off of aircraft; one class of RI events simultaneously involves two aircraft, such as one aircraft incorrectly landing on a runway while another aircraft is taking off from the same runway. A runway excursion is an incident involving only a single aircraft defined as a veer-off or overrun off the runway surface. Within the scope of this effort at NASA Langley Research Center (LaRC), generic RI, RE and combined (RI plus RE, or RUNSAFE) event models have each been developed and implemented as a Bayesian Belief Network (BBN). Descriptions of runway safety issues from the literature searches have been used to develop the BBN models. Numerous considerations surrounding the process of developing the event models have been documented in this report. The event models were then thoroughly reviewed by a Subject Matter Expert (SME) panel through multiple knowledge elicitation sessions. Numerous improvements to the model structure (definitions, node names, node states and the connecting link topology) were made by the SME panel. Sample executions of the final RUNSAFE model have been presented herein for baseline and worst-case scenarios. Finally, a parameter sensitivity analysis for a given scenario was performed to show the risk drivers. The NASA and LaRC research in runway safety event modeling through the use of BBN technology is important for several reasons. These include: 1) providing a means to clearly understand the cause and effect patterns leading to safety issues, incidents and accidents, 2) enabling the prioritization of specialty areas needing more attention to improve aviation safety, and 3) enabling the identification of gaps within NASA's Aviation Safety funding portfolio

When you reach a fork in the road, take it: science and product development as linked paths.

PubMed

Keusch, Gerald T

2008-01-01

There is a simple underlying message in this discussion, which has three parts. First, science has the capacity to generate new knowledge and harness that knowledge in the cause of developing products and technology that can reduce disease burdens among developing nation populations. Second, intellectual property is a tool to use in order to insure that new knowledge is not expropriated and exploited in a manner that threatens the ability to provide products and technology to poor people at an affordable price. Third, and finally, academic scientists need to understand that they can stride both pathways of the R&D road, remaining involved in generating basic knowledge while participating in the application of that knowledge towards product development and, through the use of best practice IP management, making it available in resource-poor environments. In order for this to happen, academia needs to maintain bridges to the private sector, while assiduously avoiding financial conflicts of interest, a topic not discussed in this paper. Academic scientists, whether already established or still completing their education, need access to training modules that allows them to define the challenges of the high disease burdens in the third world in human, and not just in consumption or dollar, terms. They also need education regarding the problems they work on, in order to engage them in the technology transfer from academia to the private sector; promote collaboration with scientists in the developing world; provide them with enough insights into the process and how it operates so that they know about the terms of any agreements with the private sector that would prevent poor people from accessing the ultimate product; and finally "reward" them in the academic system by advancement based on applied and field-based international translational and operational applied research. If these education programs develop and expand to increasing numbers of people in the research sector of academia, the number of people taking both paths described here will substantially increase. With that, the amount of research relevant to improving the health status--and indirectly, development--of developing countries will have been substantially increased.

KEY COMPARISON: Final Report on EUROMET.T-K3: Regional key comparison of the realisations of the ITS-90 from 83.8058 K to 692.677 K

NASA Astrophysics Data System (ADS)

Renaot, E.; Hermier, Y.; Valin, M.; Bonnier, G.

2007-01-01

This report presents the results of the EUROMET regional key comparison corresponding to CCT-K3 and covering the temperature range from 83.8058 K (triple point of Ar) to 692.77 K (freezing point of Zn). The comparison involved the six NMIs previously involved in CCT-K3 (BNM-INM/CNAM, SMU, IMGC, NMi-VSL, NPL, PTB) and 18 European national laboratories. The comparison was divided into five different loops coordinated by a co-pilot chosen among the laboratories having participated in the CCT-K3 comparison. BNM-INM/CNAM played the role of pilot in establishing the link between the five loops. In each loop, an artefact in the form of a standard platinum resistance thermometer (SPRT) was circulated among the participant laboratories. In order to have sufficient information about the possible drift of the SPRTs, the co-pilots have performed a calibration over the full temperature range at the beginning and at the end of the loop. Each participant laboratory carried out the measurements in agreement with the protocol. After initial measurements of R(tpw) and successful annealing treatment, each calibration consisted of three measurements of R(t) at each fixed point, in separate realizations. Each measurement was followed by a measurement of R(tpw). The order of fixed points was Zn, Sn, In, Ga, Hg, Ar, but if a fixed point was not available, it was omitted. Values of W(t), and their average value, were calculated. The results were reported to the co-pilot and BNM-INM/CNAM, with uncertainty budgets and other specified data. The results of the comparison were analysed by BNM-INM/CNAM. For the sake of clarity, the results are firstly presented loop by loop. In a second step a EUROMET Reference Value (ERV) taking into account the whole comparison was defined. In order to calculate this ERV advantage was taken of the presence of BNM-INM/CNAM in the five loops; the differences between each laboratory's results and BNM-INM's were considered. The participant laboratories decided during a Workshop organized by the pilot in Vienna in April 2005 to use as ERV the weighted mean rather than the simple mean. The differences (TLab - TERV) are presented with the associated uncertainties. Given that the protocol of the comparison contains a detailed description of how the uncertainties are to be calculated, the uncertainty budgets established by the participants seem consistent or, at least, homogeneous. The degrees of equivalence between the participating laboratories (in the same loop or in different loops) are given with their associated uncertainty. Finally, a method for establishing the bilateral equivalence between the participants in CCT-K3 and in EUROMET'T-K3 is proposed. It is recommend to use a group of 'linking laboratories' composed by the pilot and the co-pilots in order to link EUROMET.T-K3 to CCT-K3. The hypothesis is that the mean temperature of the pilot and co-pilot laboratories is the same in EUROMET.T-K3 as it was in CCT-K3. A specific analysis of the pilot's and co-pilot's results shows that even when the results given by one or several members of the 'linking laboratories' are not positioned in the same place as in EUROMET.T-K3 and CCT-K3 the mean calculated for the group is really reproducible. Main text. To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/. The final report has been peer-reviewed and approved for publication by the CCT, according to the provisions of the CIPM Mutual Recognition Arrangement (MRA).

A holistic view of marine regime shifts

PubMed Central

Conversi, Alessandra; Dakos, Vasilis; Gårdmark, Anna; Ling, Scott; Folke, Carl; Mumby, Peter J.; Greene, Charles; Edwards, Martin; Blenckner, Thorsten; Casini, Michele; Pershing, Andrew; Möllmann, Christian

2015-01-01

Understanding marine regime shifts is important not only for ecology but also for developing marine management that assures the provision of ecosystem services to humanity. While regime shift theory is well developed, there is still no common understanding on drivers, mechanisms and characteristic of abrupt changes in real marine ecosystems. Based on contributions to the present theme issue, we highlight some general issues that need to be overcome for developing a more comprehensive understanding of marine ecosystem regime shifts. We find a great divide between benthic reef and pelagic ocean systems in how regime shift theory is linked to observed abrupt changes. Furthermore, we suggest that the long-lasting discussion on the prevalence of top-down trophic or bottom-up physical drivers in inducing regime shifts may be overcome by taking into consideration the synergistic interactions of multiple stressors, and the special characteristics of different ecosystem types. We present a framework for the holistic investigation of marine regime shifts that considers multiple exogenous drivers that interact with endogenous mechanisms to cause abrupt, catastrophic change. This framework takes into account the time-delayed synergies of these stressors, which erode the resilience of the ecosystem and eventually enable the crossing of ecological thresholds. Finally, considering that increased pressures in the marine environment are predicted by the current climate change assessments, in order to avoid major losses of ecosystem services, we suggest that marine management approaches should incorporate knowledge on environmental thresholds and develop tools that consider regime shift dynamics and characteristics. This grand challenge can only be achieved through a holistic view of marine ecosystem dynamics as evidenced by this theme issue.

Asthma medication adherence among urban teens: a qualitative analysis of barriers, facilitators and experiences with school-based care.

PubMed

Blaakman, Susan W; Cohen, Alyssa; Fagnano, Maria; Halterman, Jill S

2014-06-01

Teens with persistent asthma do not always receive daily preventive medications or do not take them as prescribed, despite established clinical guidelines. The purpose of this study was to understand urban teens' experiences with asthma management, preventive medication adherence and participation in a school-based intervention. Teens (12-15 years) with persistent asthma, and prescribed preventive medication, participated in a pilot study that included daily observed medication therapy at school and motivational interviewing. Semi-structured interviews occurred at final survey. Qualitative content analysis enabled data coding to identify themes. Themes were classified as "general asthma management" or "program-specific." For general management, routines were important, while hurrying interfered with taking medications. Forgetfulness was most commonly linked to medication nonadherence. Competing demands related to school preparedness and social priorities were barriers to medication use. Independence with medications was associated with several benefits (e.g. avoiding parental nagging and feeling responsible/mature). Program-specific experiences varied. Half of teens reported positive rapport with their school nurse, while a few felt that their nurse was dismissive. Unexpected benefits and barriers within the school structure included perceptions about leaving the classroom, the distance to the nurse's office, the necessity of hall passes and morning school routines. Importantly, many teens connected daily medication use with fewer asthma symptoms, incenting continued adherence. Teens with asthma benefit from adherence to preventive medications but encounter numerous barriers to proper use. Interventions to improve adherence must accommodate school demands and unique teen priorities. The school nurse's role as an ally may support teens' transition to medication independence.

Educational Reform and Educational Research: New Challenges in Linking Research, Information and Decision Making. Final Report of the International Meeting (Tokyo, Japan, September 4-14, 1995).

ERIC Educational Resources Information Center

National Inst. for Educational Research, Tokyo (Japan).

This document summarizes proceedings of a meeting held in September 1995. The purpose of the meeting was to gather educators and policymakers in order to establish criteria concerning links between educational research and decision making. Twenty participants from the following countries attended: Argentina, Australia, Bahrain, Botswana, Brazil,…

Investigation of the Public Library as a Linking Agent to Major Scientific, Educational, Social, and Environmental Data Bases. Final Report.

ERIC Educational Resources Information Center

Lockheed Research Lab., Palo Alto, CA.

The DIALIB Project was a 3-year experiment that investigated the potential of the public library as a "linking agent" between the public and the many machine-readable data bases currently accessible via the telephone using online terminals. The study investigated the following questions: (1) Is online search of use to the patrons of a…

Programmer's reference manual for the VAX-Gerber link software package. Revision 1. 0

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

Isobe, G.W.

1985-10-01

This guide provides the information necessary to edit, modify, and run the VAX-Gerber software link. Since the project is in the testing stage and still being modified, this guide discussess the final desired stage along with the current stage. The current stage is to set up as to allow the programmer to easily modify and update codes as necessary.

View of Zero-G training for astronauts and payload specialists

NASA Image and Video Library

1984-08-27

Paul Scully-Power, 41-G payload specialist, links arms with two others as they experience weightlessness in the KC-135 training aircraft. The trio appears to be flying toward the front of the aircraft while others take photos.

Carl Anderson and the Discovery of the Positron

Science.gov Websites

experimental piece of equipment of choice to study cosmic rays. ... Anderson designed and built his own cloud ? Top Some links on this page may take you to non-federal websites. Their policies may differ from this

INTEGRATED WATERSHED MANAGEMENT: LINKING SCIENCE TO DECISION MAKING

EPA Science Inventory

This paper describes some of the challenges and benefits of taking an integrated watershed approach to achieving Clean Water Act (CWA) and Safe Drinking Water Act (SDWA) goals, and some of the activities in EPA to facilitate watershed management decision making.

How college science students engage in note-taking strategies

NASA Astrophysics Data System (ADS)

Bonner, Janice M.; Holliday, William G.

2006-10-01

A composite theory of college science student note-taking strategies was derived from a periodic series of five interviews with 23 students and with other variables, including original and final versions of notes analyzed during a semester-long genetics course. This evolving composite theory was later compared with Van Meter, Yokoi, and Pressley's (Journal of Educational Psychology, 86, 323-338, 1994) corresponding composite college students' theory of note-taking. Students' notes in this long-term study were also compared with a standard of adequate note-taking established by experts. Analyses detected many similarities between the two composite theories. Analyses also provided evidence of inadequate note-taking strategies, inconsistencies between what students claimed and evidently did with their notes, and weak self-regulating learning strategies. Recommendations included prompting students during class on how to take notes.

Herbal medicine use and linked suspected adverse drug reactions in a prospective cohort of Ugandan inpatients.

PubMed

Kiguba, Ronald; Ononge, Sam; Karamagi, Charles; Bird, Sheila M

2016-05-26

Clinical history-taking can be employed as a standardized approach to elucidate the use of herbal medicines and their linked suspected adverse drug reactions (ADRs) among hospitalized patients. We sought to identify herbal medicines nominated by Ugandan inpatients; compare nomination rates by ward and gender; confirm the herbs' known pharmacological properties from published literature; and identify ADRs linked to pre-admission use of herbal medicines. Prospective cohort of consented adult inpatients designed to assess medication use and ADRs on one gynaecological and three medical wards of 1790-bed Mulago National Referral Hospital. Baseline and follow-up data were obtained on patients' characteristics, including pre-admission use of herbal medicines. Fourteen percent (26/191) of females in Gynaecology nominated at least one specific herbal medicine compared with 20 % (114/571) of inpatients on medical wards [20 % (69/343) of females; 20 % (45/228) of males]. Frequent nominations were Persea americana (30), Mumbwa/multiple-herb clay rods (23), Aloe barbadensis (22), Beta vulgaris (12), Vernonia amygdalina (11), Commelina africana (7), Bidens pilosa (7), Hoslundia opposita (6), Mangifera indica (4), and Dicliptera laxata (4). Four inpatients experienced 10 suspected ADRs linked to pre-admission herbal medicine use including Commelina africana (4), multiple-herb-mumbwa (1), or unspecified local-herbs (5): three ADR-cases were abortion-related and one kidney-related. The named herbal medicines and their nomination rates generally differed by specialized ward, probably guided by local folklore knowledge of their use. Clinical elicitation from inpatients can generate valuable safety data on herbal medicine use. However, larger routine studies might increase the utility of our method to assess herbal medicine use and detect herb-linked ADRs. Future studies should take testable samples of ADR-implicated herbal medicines for further analysis.

Delineating the contribution of long-term associations to immediate recall.

PubMed

Saint-Aubin, Jean; Guérard, Katherine; Chamberland, Cindy; Malenfant, Amélie

2014-01-01

In the present study we examined the contribution of semantic associative links to short-term recall performance by using the separation effect first introduced in free recall studies (Glanzer, 1969). Pairs of associated words were inserted in the to-be-remembered lists. In two experiments associated words were better recalled than non-associated words, and were better recalled when they were adjacent in the list than when they were separated by one non-associated item. In addition results showed that forward associative links among pair members were as beneficial to immediate serial recall as backward associative links. Finally the benefit of associative links among pair members was observed with both forward and backward recall.

Next Steps.

DOT National Transportation Integrated Search

2016-01-01

Next Steps : Use case development : Developing representative use cases for receivers : Defining parameters for transmit application for uplink and down link : Defining and finalize propagation models to be used : Antenna Characte...

Oxytocin is associated with infant-care behavior and motivation in cooperatively breeding marmoset monkeys.

PubMed

Finkenwirth, Christa; Martins, Eloisa; Deschner, Tobias; Burkart, Judith M

2016-04-01

The neurohormone oxytocin (OT) is positively involved in the regulation of parenting and social bonding in mammals, and may thus also be important for the mediation of alloparental care. In cooperatively breeding marmosets, infants are raised in teamwork by parents and adult and sub-adult non-reproductive helpers (usually older siblings). Despite high intrinsic motivation, which may be mediated by hormonal priming, not all individuals are always equally able to contribute to infant-care due to competition among care-takers. Among the various care-taking behaviors, proactive food sharing may reflect motivational levels best, since it can be performed ad libitum by several individuals even if competition among surplus care-takers constrains access to infants. Our aim was to study the link between urinary OT levels and care-taking behaviors in group-living marmosets, while taking affiliation with other adults and infant age into account. Over eight reproductive cycles, 26 individuals were monitored for urinary baseline OT, care-taking behaviors (baby-licking, -grooming, -carrying, and proactive food sharing), and adult-directed affiliation. Mean OT levels were generally highest in female breeders and OT increased significantly in all individuals after birth. During early infancy, high urinary OT levels were associated with increased infant-licking but low levels of adult-affiliation, and during late infancy, with increased proactive food sharing. Our results show that, in marmoset parents and alloparents, OT is positively involved in the regulation of care-taking, thereby reflecting the changing needs during infant development. This particularly included behaviors that are more likely to reflect intrinsic care motivation, suggesting a positive link between OT and motivational regulation of infant-care. Copyright © 2016 Elsevier Inc. All rights reserved.

Joint Operations 2030 - Final Report (Operations interarmees 2030 - Rapport final)

DTIC Science & Technology

2011-04-01

case of crisis : • Technologies to support emergency management operations, inter-organisational coordination and communication , distributed...are made up of national representatives as well as generally recognised ‘world class’ scientists. They also provide a communication link to military...Other Entities H.4 Capable of Establishing and Maintaining Communication Channels and Liaison Relationships H-7 with Potential Service Providers

Inter-Satellite Communications Considerations and Requirements for Distributed Spacecraft and Formation Flying Systems

NASA Technical Reports Server (NTRS)

Kwadrat, Carl F.; Horne, William D.; Edwards, Bernard L.

2002-01-01

In order to avoid selecting inadequate inter-spacecraft cross-link communications standards for Distributed Spacecraft System (DSS) missions, it is first necessary to identify cross-link communications strategies and requirements common to a cross-section of proposed missions. This paper addresses the cross-link communication strategies and requirements derived from a survey of 39 DSS mission descriptions that are projected for potential launch within the next 20 years. The inter-spacecraft communications strategies presented are derived from the topological and communications constraints from the DSS missions surveyed. Basic functional requirements are derived from an analysis of the fundamental activities that must be undertaken to establish and maintain a cross-link between two DSS spacecraft. Cross-link bandwidth requirements are derived from high-level assessments of mission science objectives and operations concepts. Finally, a preliminary assessment of possible cross-link standards is presented within the context of the basic operational and interoperability requirements.

Unveiling the unicorn: a leader's guide to ACO preparation.

PubMed

Aslin, Paul

2011-01-01

The great uncertainty surrounding healthcare reform provides little incentive for action. However, as healthcare leaders wait for final rules and clarity about accountable care organizations (ACOs), inaction is the inappropriate response. Several central themes emerge from research about beginning the ACO process. Leaders should be able to understand and articulate ACO concepts. They should champion embracing cultural change while partnering with physicians. Inventory of skills and capabilities should take place to understand any deficiencies required to implement an ACO. Finally, a plan should be formed by asking strategic questions on each platform needed to ensure performance and strategic goals are at the forefront of decisions regarding structure and function of an ACO. It takes a visionary leader to accept these challenges.

Providing best practice in manual blood pressure measurement.

PubMed

Alexis, Obrey

This article discusses the practical skills and underpinning knowledge needed when manually taking a patients blood pressure. The author defines blood pressure and the terms systolic and diastolic and explores the purpose of manual measurement. The article also goes on to examine what is meant by normal blood pressure, hypertension and hypotension, as well as factors that may influence blood pressure measurement. There is a brief outline of the equipment used for manually measuring blood pressure, followed by some factors that may affect the accuracy of the final reading. The author also highlights the different positions used for taking blood pressure and the arguments surrounding their respective merits. Finally, the article includes a practical step-by-step guide to manual blood pressure measurement.

Technique and final cause in psychoanalysis: four ways of looking at one moment.

PubMed

Lear, Jonathan

2009-12-01

This paper argues that if one considers just a single clinical moment there may be no principled way to choose among different approaches to psychoanalytic technique. One must in addition take into account what Aristotle called the final cause of psychoanalysis, which this paper argues is freedom. However, freedom is itself an open-ended concept with many aspects that need to be explored and developed from a psychoanalytic perspective. This paper considers one analytic moment from the perspectives of the techniques of Paul Gray, Hans Loewald, the contemporary Kleinians and Jacques Lacan. It argues that, if we are to evaluate these techniques, we must take into account the different conceptions of freedom they are trying to facilitate.

Final priority. Rehabilitation Training: Job-Driven Vocational Rehabilitation Technical Assistance Center. Final priority.

PubMed

2014-08-19

The Assistant Secretary for Special Education and Rehabilitative Services announces a priority under the Rehabilitation Training program to establish a Job-Driven Vocational Rehabilitation Technical Assistance Center (JDVRTAC). The Assistant Secretary may use this priority for competitions in fiscal year (FY) 2014 and later years. We take this action to focus on training in an area of national need. Specifically, this priority responds to the Presidential Memorandum to Federal agencies directing them to take action to address job-driven training for the Nation's workers. The JDVRTAC will provide technical assistance (TA) to State vocational rehabilitation (VR) agencies to help them develop for individuals with disabilities training and employment opportunities that meet the needs of today's employers.

Detection of the Deformation of an Intelligent Textile in a Specific Point

PubMed Central

Alsina, Maria; Escudero, Francesc; Margalef, Jordi; Cambra, Vicente; Gisbert, José

2007-01-01

An intelligent textile is a textile structure that measures and reacts in front of external agents or stimulus with or without integrated electronic equipment. The finality of the present textile is to take one more step towards intelligent textile, considering the integration of electronics and textile needs, to be industrially viable and to keep up the necessary competitiveness, raising the final price as little as possible. The finality of these experiments is to develop a textile that varies in conductivity and resistance in relation to the elongation of the textile, detecting changes caused by the alteration of a piece of clothing, from the pressure of a finger on the material, for example. One of the most important characteristics of textile is the capacity of reproducing measures, of varying the response in different tests. Two lines of research were opened: the study of the most adequate structure to achieve a response that can be reproduced and the study of the best way of taking measures without altering the behavior of the textile.

Final Hanford Comprehensive Land-Use Plan Environmental Impact Statement, Hanford Site, Richland, Washington

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

N /A

This Final ''Hanford Comprehensive Land-Use Plan Environmental Impact Statement'' (HCP EIS) is being used by the Department of Energy (DOE) and its nine cooperating and consulting agencies to develop a comprehensive land-use plan (CLUP) for the Hanford Site. The DOE will use the Final HCP EIS as a basis for a Record of Decision (ROD) on a CLUP for the Hanford Site. While development of the CLUP will be complete with release of the HCP EIS ROD, full implementation of the CLUP is expected to take at least 50 years. Implementation of the CLUP would begin a more detailed planningmore » process for land-use and facility-use decisions at the Hanford Site. The DOE would use the CLUP to screen proposals. Eventually, management of Hanford Site areas would move toward the CLUP land-use goals. This CLUP process could take more than 50 years to fully achieve the land-use goals.« less

Teaching Techniques: Give or Take? Test Review in the ESL/EFL Classroom

ERIC Educational Resources Information Center

Mermelstein, Aaron David

2016-01-01

This article describes "Give or Take?", a fun game that teachers can use to review vocabulary in the English as a second language or foreign language (ESL/EFL) classroom. This game is easy to prepare, and it is a fun and efficient way to review for quizzes or larger midterm or final exams. It can be adapted to almost any grade level or…

The buck stops here.

PubMed

Shinkman, R

1998-08-03

As Allegheny Health, Education and Research Foundation muddles through its high-profile bankruptcy reorganization, the spotlight of public scrutiny is now shining brightly on the system's board members, who were supposed to act as guardians of the not-for-profit system. "When things fall apart, the board members usually take the heat," says one governance expert. "And they should take the heat, since they are the final buffer."

What Factors Affect Nursing Students' Decisions of Whether to Take Rural Jobs: An Exploratory Interview Study in China

ERIC Educational Resources Information Center

Tao, Yuexian; Haycock-Stuart, Elaine; Rodgers, Sheila E.

2016-01-01

Purpose: The purpose of this study was to explore factors that effect nursing students' decisions of whether to take rural jobs in China. Methods: An exploratory interview study was conducted in China during May and June 2011. Eleven final year nursing students were purposively recruited from four nursing schools in one eastern area in China. The…

Harold Urey, Deuterium, Cosmochemistry, Studies of the Origin of Life, and

Science.gov Websites

molecular beams."2 "For the next decade, Dr. Urey occupied himself with the experimental and Experiment One Giant Leap 1964 National Medal of Science Top Some links on this page may take you to non

Raymond Davis Jr., Solar Neutrinos, and the Solar Neutrino Problems

Science.gov Websites

Neutrinos. II. Experimental; DOE Technical Report, March 16, 1964 Search for Neutrinos from the Sun; DOE Raymond Davis Dies, BNL Newsroom, June 1, 2006 Top Some links on this page may take you to non-federal

Design and Analysis of Underwater Acoustic Networks with Reflected Links

NASA Astrophysics Data System (ADS)

Emokpae, Lloyd

Underwater acoustic networks (UWANs) have applications in environmental state monitoring, oceanic profile measurements, leak detection in oil fields, distributed surveillance, and navigation. For these applications, sets of nodes are employed to collaboratively monitor an area of interest and track certain events or phenomena. In addition, it is common to find autonomous underwater vehicles (AUVs) acting as mobile sensor nodes that perform search-and-rescue missions, reconnaissance in combat zones, and coastal patrol. These AUVs are to work cooperatively to achieve a desired goal and thus need to be able to, in an ad-hoc manner, establish and sustain communication links in order to ensure some desired level of quality of service. Therefore, each node is required to adapt to environmental changes and be able to overcome broken communication links caused by external noise affecting the communication channel due to node mobility. In addition, since radio waves are quickly absorbed in the water medium, it is common for most underwater applications to rely on acoustic (or sound) rather than radio channels for mid-to-long range communications. However, acoustic channels pose multiple challenging issues, most notably the high transmission delay due to slow signal propagation and the limited channel bandwidth due to high frequency attenuation. Moreover, the inhomogeneous property of the water medium affects the sound speed profile while the signal surface and bottom reflections leads to multipath effects. In this dissertation, we address these networking challenges by developing protocols that take into consideration the underwater physical layer dynamics. We begin by introducing a novel surface-based reflection scheme (SBR), which takes advantage of the multipath effects of the acoustic channel. SBR works by using reflections from the water surface, and bottom, to establish non-line-of-sight (NLOS) communication links. SBR makes it possible to incorporate both line-of-sight (LOS) and NLOS links by utilizing directional antennas, which will boost the signal-to-noise ratio (SNR) at the receiver while promoting NLOS usage. In our model, we employ a directional underwater acoustic antenna composed of an array of hydrophones that can be summed up at various phases and amplitudes resulting in a beam-former. We have also adopted a practical multimodal directional transducer concept which generates both directional and omni-directional beam patterns by combining the fundamental vibration modes of a cylindrical acoustic radiator. This allows the transducer to be electrically controlled and steered by simply adjusting the electrical voltage weights. A prototype acoustic modem is then developed to utilize the multimodal directional transducer for both LOS and NLOS communication. The acoustic modem has also been used as a platform for empirically validating our SBR communication model in a tank and with empirical data. Networking protocols have been developed to exploit the SBR communication model. These protocols include node discovery and localization, directional medium access control (D-MAC) and geographical routing. In node discovery and localization, each node will utilize SBR-based range measurements to its neighbors to determine their relative position. The D-MAC protocol utilizes directional antennas to increase the network throughput due to the spatial efficiency of the antenna model. In the proposed reflection-enabled directional MAC protocol (RED-MAC), each source node will be able to determine if an obstacle is blocking the LOS link to the destination and switch to the best NLOS link by utilizing surface/bottom reflections. Finally, we have developed a geographical routing algorithm which aims to establish the best stable route from a source node to a destination node. The optimized route is selected to achieve maximum network throughput. Extensive analysis of the network throughput when utilizing directional antennas is also presented to show the benefits of directional communication on the overall network throughput.

A Framework to Quantify the Strength of the Ecological Links ...

EPA Pesticide Factsheets

Anthropogenic stressors such as climate change, fire, and pollution are driving shifts in ecosystem function and resilience. Scientists generally rely on biological indicators of these stressors to signal that ecosystem conditions have been altered beyond an acceptable amount. However, these biological indicators are not always capable of being directly related to ecosystem services that allow scientists to communicate the importance of the change to land managers and policy makers. Therefore, we developed the STEPS (STressor – Ecological Production function – final ecosystem goods and Services) Framework to link changes in a biological indicator of a stressor to Final Ecosystem Goods and Services (FEGS). The STEPS framework produces “chains” of ecological components that connect the change in a biological indicator to the Final Ecosystem Goods and Services Classification System (FEGS-CS). The series of ecological components is an ecological production functions (EPF) which links a biological indicator of a stressor to an ecological endpoint (i.e., FEGS) that is directly used, appreciated, or valued by humans. The framework uses a qualitative score (High, Medium, Low) for the Strength of Science (SOS) for the relationship between each of the components in the EPF to identify research gaps and prioritize decision making based on what research has been completed. The ecological endpoint of the EPF is a FEGS to which discrete Beneficiaries, or direct users

The capacity of radar, crowdsourced personal weather stations and commercial microwave links to monitor small scale urban rainfall

NASA Astrophysics Data System (ADS)

Uijlenhoet, R.; de Vos, L. W.; Leijnse, H.; Overeem, A.; Raupach, T. H.; Berne, A.

2017-12-01

For the purpose of urban rainfall monitoring high resolution rainfall measurements are desirable. Typically C-band radar can provide rainfall intensities at km grid cells every 5 minutes. Opportunistic sensing with commercial microwave links yields rainfall intensities over link paths within cities. Additionally, recent developments have made it possible to obtain large amounts of urban in situ measurements from weather amateurs in near real-time. With a known high resolution simulated rainfall event the accuracy of these three techniques is evaluated, taking into account their respective existing layouts and sampling methods. Under ideal measurement conditions, the weather station networks proves to be most promising. For accurate estimation with radar, an appropriate choice for Z-R relationship is vital. Though both the microwave links and the weather station networks are quite dense, both techniques will underestimate rainfall if not at least one link path / station captures the high intensity rainfall peak. The accuracy of each technique improves when considering rainfall at larger scales, especially by increasing time intervals, with the steepest improvements found in microwave links.

78 FR 70255 - West Virginia: Final Authorization of State Hazardous Waste Management Program Revisions

Federal Register 2010, 2011, 2012, 2013, 2014

2013-11-25

..., and they will not take effect. We will then respond to public comments in a later final rule based on..., U.S. EPA Region III, 1650 Arch Street, Philadelphia, PA 19103-2029. 4. Hand Delivery: At the..., Office of State Programs, U.S. EPA Region III, 1650 Arch Street, Philadelphia, PA 19103-2029, Phone...

78 FR 54200 - Virginia: Final Authorization of State Hazardous Waste Management Program Revisions

Federal Register 2010, 2011, 2012, 2013, 2014

2013-09-03

... take effect. We will then respond to public comments in a later final rule based on this proposal. You... Programs, U.S. EPA Region III, 1650 Arch Street, Philadelphia, PA 19103-2029. 4. Hand Delivery: At the... 3LC50, Office of State Programs, U.S. EPA Region III, 1650 Arch Street, Philadelphia, PA 19103-2029...

Asbestos-Containing Materials in Schools; Final Rule and Notice. Part III: Environmental Protection Agency. 40 CFR Part 763.

ERIC Educational Resources Information Center

Federal Register, 1987

1987-01-01

The Environmental Protection Agency (EPA) has issued a final rule under the Toxic Substance Control Act (TSCA) to require all local education agencies (LEAs) to identify asbestos-containing materials in their school buildings and take appropriate action to control release of asbestos fibers. The LEAs are required to describe their activities in…

75 FR 70595 - Limited Service Domestic Voyage Load Lines for River Barges on Lake Michigan

Federal Register 2010, 2011, 2012, 2013, 2014

2010-11-18

... finalized by this final rule. III. Basis and Purpose The origin of this rulemaking dates back to a request... southwards rather than turn back into rough seas, and shifted the barges to a towline. During the night, the barges were observed taking on water and listing. By morning, one barge was listing heavily with only a...

75 FR 39715 - Self-Regulatory Organizations; Financial Industry Regulatory Authority, Inc.; Notice of Filing of...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-07-12

... that a refusal by a member to take action necessary to effectuate a final decision of a FINRA officer... necessary to effectuate a final decision of a FINRA officer or the UPC Committee under the UPC Code (FINRA Rule 11000 Series) or other FINRA rules that permit review of FINRA decisions by the UPC Committee...

10 CFR 1021.315 - Records of decision.

Code of Federal Regulations, 2010 CFR

2010-01-01

... EIS during a 30-day “waiting period” following completion of the final EIS, except as provided at 40... Availability for the final EIS is published in the Federal Register. (b) If DOE decides to take action on a proposal covered by an EIS, a ROD shall be prepared as provided at 40 CFR 1505.2 (except as provided at 40...

77 FR 73926 - Approval and Promulgation of State Implementation Plans; State of Wyoming; Regional Haze Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-12-12

... Class I Areas Under 40 CFR 51.309 AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule... (RHR) for the mandatory Class I areas under 40 CFR 51.309. EPA proposed that the January 12, 2011 and... RHR requirements for the mandatory Class I areas under 40 CFR 51.309. EPA taking final action to find...

Diatoms to human uses: linking nitrogen deposition, aquatic eutrophication, and ecosystem services

DOE PAGES

Rhodes, Charles; Bingham, Andrew; Heard, Andrea M.; ...

2017-07-24

Nitrogen (N) loading to aquatic ecosystems can lead to eutrophication, changing the ecosystem within a waterbody, including primary productivity, water clarity, and food web dynamics. Nutrient loading often first affects the primary productivity of aquatic systems through shifts in phytoplankton communities. However, ecologically important changes in phytoplankton are often not relatable to the general public—whose behavior would need to change to alter patterns of nutrient loading. Therefore, we use the STressor–Ecological Production function–final ecosystem Services Framework to develop 154 chains that link changes in biological indicators of aquatic eutrophication (a shift in phytoplankton community) to final ecosystem services that peoplemore » use or appreciate. We identify 13 ecological production functions (EPF) within three different ecosystems (alpine lakes, lakes, and estuaries) that connect changes in phytoplankton and algae to ecological endpoints that the general public and policy makers can appreciate. Using the Final Ecosystem Goods and Services Classification System, we identify 18 classes of human beneficiaries that potentially will be impacted by a change in one of these endpoints. We further assign strength-of-science scores to each link within the EPFs for the 154 chains according to how well each link is supported by current peer-reviewed literature. By identifying many pathways through which excess N loading in U.S. surface waters can affect ecosystems and ultimately the beneficiaries of ecosystem services, this work intends to draw attention to gaps in empirical ecological literature that constrain understanding of the magnitude of effects that excess N loading can have on human well-being. Here, results highlight the importance of intersections between the natural and social sciences when managers and policy makers evaluate impacts from ecological stressors. A balance between knowledgeable specialists proved key to applying this approach and will continue to remain important.« less

Diatoms to human uses: linking nitrogen deposition, aquatic eutrophication, and ecosystem services

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

Rhodes, Charles; Bingham, Andrew; Heard, Andrea M.

Nitrogen (N) loading to aquatic ecosystems can lead to eutrophication, changing the ecosystem within a waterbody, including primary productivity, water clarity, and food web dynamics. Nutrient loading often first affects the primary productivity of aquatic systems through shifts in phytoplankton communities. However, ecologically important changes in phytoplankton are often not relatable to the general public—whose behavior would need to change to alter patterns of nutrient loading. Therefore, we use the STressor–Ecological Production function–final ecosystem Services Framework to develop 154 chains that link changes in biological indicators of aquatic eutrophication (a shift in phytoplankton community) to final ecosystem services that peoplemore » use or appreciate. We identify 13 ecological production functions (EPF) within three different ecosystems (alpine lakes, lakes, and estuaries) that connect changes in phytoplankton and algae to ecological endpoints that the general public and policy makers can appreciate. Using the Final Ecosystem Goods and Services Classification System, we identify 18 classes of human beneficiaries that potentially will be impacted by a change in one of these endpoints. We further assign strength-of-science scores to each link within the EPFs for the 154 chains according to how well each link is supported by current peer-reviewed literature. By identifying many pathways through which excess N loading in U.S. surface waters can affect ecosystems and ultimately the beneficiaries of ecosystem services, this work intends to draw attention to gaps in empirical ecological literature that constrain understanding of the magnitude of effects that excess N loading can have on human well-being. Here, results highlight the importance of intersections between the natural and social sciences when managers and policy makers evaluate impacts from ecological stressors. A balance between knowledgeable specialists proved key to applying this approach and will continue to remain important.« less

Design and modelling of a link monitoring mechanism for the Common Data Link (CDL)

NASA Astrophysics Data System (ADS)

Eichelberger, John W., III

1994-09-01

The Common Data Link (CDL) is a full duplex, point-to-point microwave communications system used in imagery and signals intelligence collection systems. It provides a link between two remote Local Area Networks (LAN's) aboard collection and surface platforms. In a hostile environment, there is an overwhelming need to dynamically monitor the link and thus, limit the impact of jamming. This work describes steps taken to design, model, and evaluate a link monitoring system suitable for the CDL. The monitoring system is based on features and monitoring constructs of the Link Control Protocol (LCP) in the Point-to-Point Protocol (PPP) suite. The CDL model is based on a system of two remote Fiber Distributed Data Interface (FDDI) LAN's. In particular, the policies and mechanisms associated with monitoring are described in detail. An implementation of the required mechanisms using the OPNET network engineering tool is described. Performance data related to monitoring parameters is reported. Finally, integration of the FDDI-CDL model with the OPNET Internet model is described.

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

Jarocki, John Charles; Zage, David John; Fisher, Andrew N.

LinkShop is a software tool for applying the method of Linkography to the analysis time-sequence data. LinkShop provides command line, web, and application programming interfaces (API) for input and processing of time-sequence data, abstraction models, and ontologies. The software creates graph representations of the abstraction model, ontology, and derived linkograph. Finally, the tool allows the user to perform statistical measurements of the linkograph and refine the ontology through direct manipulation of the linkograph.

Synthesis of 1,3-Dinitrohexahydropyrimidine via Ring Contraction of Ether-Linked Nitramines

DTIC Science & Technology

2016-07-01

ARL-TR-7706 ● JULY 2016 US Army Research Laboratory Synthesis of 1,3-Dinitrohexahydropyrimidine via Ring Contraction of Ether...JULY 2016 US Army Research Laboratory Synthesis of 1,3-Dinitrohexahydropyrimidine via Ring Contraction of Ether-Linked Nitramines by...YOUR FORM TO THE ABOVE ADDRESS. 1. REPORT DATE (DD-MM-YYYY) July 2016 2. REPORT TYPE Final 3. DATES COVERED (From - To) Fiscal Year 2013 4. TITLE

Characterizing the marsh dieback spectral response at the plant and canopy level with hyperspectral and temporal remote sensing data

USGS Publications Warehouse

Ramsey, E.; Rangoonwala, A.

2008-01-01

We describe newly developed remote sensing tools to map the localized occurrences and regional distribution of the marsh dieback in coastal Louisiana (Fig. 1). As a final goal of our research and development, we identified what spectral features accompanied the onset of dieback and could be directly linked to the optical signal measured at the satellite. In order to accomplish our research goal, we carried out two interlinked objectives. First, we determined the spectral features within the hyperspectral spectra of the impacted plant that could be linked to the spectral return. This was accomplished by measuring the differences in leaf optical properties of impacted and non impacted marsh plants in such a way that the measured differences could be linked to the dieback onset and progression. The spectral analyses were constrained to selected wavelengths (bands of reflectance data) historically associated with changes in leaf composition and structure caused by changes in the plant biophysical environment. Second, we determined what changes in the canopy reflectance (canopy signal sensed at the satellite) could be linked to dieback onset and progression. Third, we transformed a suite of six Landsat Thematic Mapper images collected before, during, and in the final stages of dieback to maps of dieback occurrences. ??2008 IEEE.

Exploring the future with anticipatory networks

NASA Astrophysics Data System (ADS)

Skulimowski, A. M. J.

2013-01-01

This paper presents a theory of anticipatory networks that originates from anticipatory models of consequences in multicriteria decision problems. When making a decision, the decision maker takes into account the anticipated outcomes of each future decision problem linked by the causal relations with the present one. In a network of linked decision problems, the causal relations are defined between time-ordered nodes. The scenarios of future consequences of each decision are modeled by multiple vertices starting from an appropriate node. The network is supplemented by one or more relations of anticipation, or future feedback, which describe a situation where decision makers take into account the anticipated results of some future optimization problems while making their choice. So arises a multigraph of decision problems linked causally and by one or more anticipation relation, termed here the anticipatory network. We will present the properties of anticipatory networks and propose a method of reducing, transforming and using them to solve current decision problems. Furthermore, it will be shown that most anticipatory networks can be regarded as superanticipatory systems, i.e. systems that are anticipatory in the Rosen sense and contain a future model of at least one other anticipatory system. The anticipatory networks can also be applied to filter the set of future scenarios in a foresight exercise.

Suicidality and interrogative suggestibility.

PubMed

Pritchard-Boone, Lea; Range, Lillian M

2005-01-01

All people are subject to memory suggestibility, but suicidal individuals may be especially so. The link between suicidality and suggestibility is unclear given mixed findings and methodological weaknesses of past research. To test the link between suicidality and interrogative suggestibility, 149 undergraduates answered questions about suicidal thoughts and reasons for living, and participated in a direct suggestibility procedure. As expected, suggestibility correlated with suicidality but accounted for little overall variance (4%). Mental health professionals might be able to take advantage of client suggestibility by directly telling suicidal persons to refrain from suicidal thoughts or actions.

Extended resource allocation index for link prediction of complex network

NASA Astrophysics Data System (ADS)

Liu, Shuxin; Ji, Xinsheng; Liu, Caixia; Bai, Yi

2017-08-01

Recently, a number of similarity-based methods have been proposed to predict the missing links in complex network. Among these indices, the resource allocation index performs very well with lower time complexity. However, it ignores potential resources transferred by local paths between two endpoints. Motivated by the resource exchange taking places between endpoints, an extended resource allocation index is proposed. Empirical study on twelve real networks and three synthetic dynamic networks has shown that the index we proposed can achieve a good performance, compared with eight mainstream baselines.

Sexual Risk Behavior in Young Adulthood: Broadening the Scope Beyond Early Sexual Initiation

PubMed Central

Epstein, Marina; Bailey, Jennifer A.; Manhart, Lisa E.; Hill, Karl G.; Hawkins, J. David

2013-01-01

A robust link between early sexual initiation and sexual risk-taking behavior is reported in previous studies. The relationship may not be causal, however, as the effect of common risk factors is often not considered. The current study examined whether early initiation is a key predictor of risky sexual behavior in the 20s and 30s, over and above co-occurring individual and environmental factors. Data were drawn from the Seattle Social Development Project, a longitudinal panel of 808 youth. Early predictors (ages 10–15) and sexual risk-taking (ages 21–24 and 30–33) were assessed prospectively. Early sexual initiation (before age 15) was entered into a series of probit regressions that also included family, neighborhood, peer, and individual risk factors. Although a positive bivariate relation between early sexual initiation and sexual risk-taking was observed at both ages, the link did not persist when co-occurring risk factors were included. Behavioral disinhibition and antisocial peer influences emerged as the strongest predictors of sexual risk over and above early sexual initiation. These results suggest that early sexual initiation must be considered in the context of common antecedents; public health policy aimed at delaying sexual intercourse alone is unlikely to substantially reduce sexual risk behavior in young adulthood. PMID:24423058

Proactive Motor Control Reduces Monetary Risk Taking in Gambling

PubMed Central

Adams, Rachel; Chambers, Christopher D.

2012-01-01

Less supervision by the executive system after disruption of the right prefrontal cortex leads to increased risk taking in gambling because superficially attractive—but risky—choices are not suppressed. Similarly, people might gamble more in multitask situations than in single-task situations because concurrent executive processes usually interfere with each other. In the study reported here, we used a novel monetary decision-making paradigm to investigate whether multitasking could reduce rather than increase risk taking in gambling. We found that performing a task that induced cautious motor responding reduced gambling in a multitask situation (Experiment 1). We then found that a short period of inhibitory training lessened risk taking in gambling at least 2 hr later (Experiments 2 and 3). Our findings indicate that proactive motor control strongly affects monetary risk taking in gambling. The link between control systems at different cognitive levels might be exploited to develop new methods for rehabilitation of addiction and impulse-control disorders. PMID:22692336

Wired: Energy Drinks, Jock Identity, Masculine Norms, and Risk Taking

PubMed Central

Miller, Kathleen E.

2008-01-01

Objective The author examined gendered links among sport-related identity, endorsement of conventional masculine norms, risk taking, and energy-drink consumption. Participants The author surveyed 795 undergraduate students enrolled in introductory-level courses at a public university. Methods The author conducted linear regression analyses of energy-drink consumption frequencies on sociodemographic characteristics, jock identity, masculine norms, and risk-taking behavior. Results Of participants, 39% consumed an energy drink in the past month, with more frequent use by men (2.49 d/month) than by women (1.22 d/month). Strength of jock identity was positively associated with frequency of energy-drink consumption; this relationship was mediated by both masculine norms and risk-taking behavior. Conclusions Sport-related identity, masculinity, and risk taking are components of the emerging portrait of a toxic jock identity, which may signal an elevated risk for health-compromising behaviors. College undergraduates’ frequent consumption of Red Bull and comparable energy drinks should be recognized as a potential predictor of toxic jock identity. PMID:18400659

Wired: energy drinks, jock identity, masculine norms, and risk taking.

PubMed

Miller, Kathleen E

2008-01-01

The author examined gendered links among sport-related identity, endorsement of conventional masculine norms, risk taking, and energy-drink consumption. The author surveyed 795 undergraduate students enrolled in introductory-level courses at a public university. The author conducted linear regression analyses of energy-drink consumption frequencies on sociodemographic characteristics, jock identity, masculine norms, and risk-taking behavior. Of participants, 39% consumed an energy drink in the past month, with more frequent use by men (2.49 d/month) than by women (1.22 d/month). Strength of jock identity was positively associated with frequency of energy-drink consumption; this relationship was mediated by both masculine norms and risk-taking behavior. Sport-related identity, masculinity, and risk taking are components of the emerging portrait of a toxic jock identity, which may signal an elevated risk for health-compromising behaviors. College undergraduates' frequent consumption of Red Bull and comparable energy drinks should be recognized as a potential predictor of toxic jock identity.

Risk taking and adult attention deficit/hyperactivity disorder: A gap between real life behavior and experimental decision making.

PubMed

Pollak, Yehuda; Shalit, Reut; Aran, Adi

2018-01-01

Adults with attention deficit/hyperactivity disorder (ADHD) are prone to suboptimal decision making and risk taking. The aim of this study was to test performance on a theoretically-based probabilistic decision making task in well-characterized adults with and without ADHD, and examine the relation between experimental risk taking and history of real-life risk-taking behavior, defined as cigarette, alcohol, and street drug use. University students with and without ADHD completed a modified version of the Cambridge Gambling Test, in which they had to choose between alternatives varied by level of risk, and reported their history of substance use. Both groups showed similar patterns of risk taking on the experimental decision making task, suggesting that ADHD is not linked to low sensitivity to risk. Past and present substance use was more prevalent in adults with ADHD. These finding question the validity of experimental probabilistic decision making task as a valid model for ADHD-related risk-taking behavior. Copyright © 2017 Elsevier B.V. All rights reserved.

Parental Leave Use among Disadvantaged Fathers

PubMed Central

Pragg, Brianne; Knoester, Chris

2016-01-01

The United States lags behind other industrialized countries in its lack of inclusive and standardized parental leave policy after the birth or adoption of a child. Using data from the Fragile Families and Child Wellbeing Study (N=2,233), this study examines the patterns and predictors of fathers’ parental leave use, as well as its association with father-child engagement. Our findings indicate that the vast majority of employed fathers take parental leave, but they rarely take more than one week of leave. Fathers who have more positive attitudes about fatherhood and who live with the birth mother are especially likely to take leave, and to take more weeks of leave, than other fathers. Finally, we find that taking parental leave, and taking more weeks of parental leave, is positively associated with father engagement levels at one year and five years after the birth of his child. PMID:28694555

VLSI technology for smaller, cheaper, faster return link systems

NASA Technical Reports Server (NTRS)

Nanzetta, Kathy; Ghuman, Parminder; Bennett, Toby; Solomon, Jeff; Dowling, Jason; Welling, John

1994-01-01

Very Large Scale Integration (VLSI) Application-specific Integrated Circuit (ASIC) technology has enabled substantially smaller, cheaper, and more capable telemetry data systems. However, the rapid growth in available ASIC fabrication densities has far outpaced the application of this technology to telemetry systems. Available densities have grown by well over an order magnitude since NASA's Goddard Space Flight Center (GSFC) first began developing ASIC's for ground telemetry systems in 1985. To take advantage of these higher integration levels, a new generation of ASIC's for return link telemetry processing is under development. These new submicron devices are designed to further reduce the cost and size of NASA return link processing systems while improving performance. This paper describes these highly integrated processing components.

Form–meaning links in the development of visual word recognition

PubMed Central

Nation, Kate

2009-01-01

Learning to read takes time and it requires explicit instruction. Three decades of research has taught us a good deal about how children learn about the links between orthography and phonology during word reading development. However, we have learned less about the links that children build between orthographic form and meaning. This is surprising given that the goal of reading development must be for children to develop an orthographic system that allows meanings to be accessed quickly, reliably and efficiently from orthography. This review considers whether meaning-related information is used when children read words aloud, and asks what we know about how and when children make connections between form and meaning during the course of reading development. PMID:19933139

Manipulators with flexible links: A simple model and experiments

NASA Technical Reports Server (NTRS)

Shimoyama, Isao; Oppenheim, Irving J.

1989-01-01

A simple dynamic model proposed for flexible links is briefly reviewed and experimental control results are presented for different flexible systems. A simple dynamic model is useful for rapid prototyping of manipulators and their control systems, for possible application to manipulator design decisions, and for real time computation as might be applied in model based or feedforward control. Such a model is proposed, with the further advantage that clear physical arguments and explanations can be associated with its simplifying features and with its resulting analytical properties. The model is mathematically equivalent to Rayleigh's method. Taking the example of planar bending, the approach originates in its choice of two amplitude variables, typically chosen as the link end rotations referenced to the chord (or the tangent) motion of the link. This particular choice is key in establishing the advantageous features of the model, and it was used to support the series of experiments reported.