2,399 research outputs found
A Study of the Required Physical Education Programs in Public Schools of the United States
This study was conducted to find the legislative requirement in physical education in the fifty states of the United States and. to compare the results of the present study with the results of a similar study completed in 1947 by F . S . Stafford
Evaluation of the Building Requirements of Paris School District 95
Promjene u informacijskom okruženju utjecale su na informacijsko ponašanje studenata i način na koji oni traže, pronalaze i koriste informacijske izvore za učenje. Preferencije novih generacija studenata prema e-izvorima i novim tehnologijama utječu na način njihovog čitanja i učenja. Što se, s obzirom na promjene u informacijskom okruženju događa s čitanjem tiskanih izvora koji su još uvijek bitni, posebice za humanističke znanosti? U fokusu ovog istraživanja bit će način učenja preddiplomskih studenata humanističkih znanosti u odnosu na odabir informacijskih izvora, tiskanih i digitalnih. Kako je odabir izvora učenja djelomice uvjetovan zahtjevima kurikuluma istražit će se karakteristike i format preporučene literature iz izvedbenih planova humanističkih znanosti. Također će se utvrditi koju građu, tiskanu ili digitalnu, studenti koriste i zašto, te njihove preferencije. Analizirat će se citati u završnim radovima kako bi se utvrdile karakteristike i format citiranih radova. Razumijevanje ponašanja studenata u interakciji s informacijskim izvorima, tradicionalnim i elektroničkim, od velike je važnosti za sve sudionike obrazovnog procesa, a posebice za izgradnju zbirki i usluga sveučilišne knjižnice. Stoga će se u radu istraživati na koji način studenti uče, koje informacijske izvore koriste, kako i zašto se stvaraju obrasci učenja pod utjecajem digitalnih tehnologija i kako se to odražava na rad sveučilišne knjižnice kojoj je obrazovna uloga jedna od primarnih uloga.Changes in the information environment have influenced the information behavior of students and the way in which they seek, find and use information resources for learning. Preferences of the new generation of students toward e-sources and new technologies affect the way of their reading and learning. What happens to the reading of printed sources that are still important, especially in the field of humanities? The focus of this research will be the way of learning of undergraduate students in the field of humanities in relation to the choice of information sources, print and digital. As the choice of learning resources is partly determined by the demands of the curriculum it will be explored the characteristics and format of prescribed literature humanities curricula. It will also be explored which literature, printed or digital, students say they use and why, and their preferences. The final works will be analyzed by citation tracking in order to determine the characteristics and format of the cited literature. Understanding the behavior of students interaction with information sources, traditional and electronic, is of great importance for the development of collections and services of the university library. Therefore, this thesis will explore how students learn, which information sources they use, how and why they create patterns of learning under the influence of digital technology and how it reflects on the work of university library that has educational role as one of the primary roles
Yucca Mountain Saturated Zone Carbon-14
This Scientific Investigation Plan (SIP) provides an overview of the work described in “Yucca Mountain Saturated Zone Carbon-14”, a proposal funded by the U.S. Department of Energy’s (DOE) Office of Repository Development under the UCCSN/YMP Co-op in support of the Science and Technology Initiatives. The objective of this work is to provide improved estimates of the time required for ground water to travel from the site of the proposed high-level radioactive waste repository at Yucca Mountain, Nevada, to the accessible environment
Large QCD at non-zero chemical potential
The general issue of large QCD at nonzero chemical potential is
considered with a focus on understanding the difference between large QCD
with an isospin chemical potential and large QCD with a baryon chemical
potential. A simple diagrammatic analysis analogous to `t Hooft's analysis at
implies that the free energy with a given baryon chemical potential is
equal to the free energy with an isospin chemical potential of the same value
plus corrections. Phenomenologically, these two systems behave quite
differently. A scenario to explain this difference in light of the diagrammatic
analysis is explored. This scenario is based on a phase transition associated
with pion condensation when the isospin chemical potential exceeds ;
associated with this transition there is breakdown of the expansion--in
the pion condensed phase there is a distinct expansion including a
larger set of diagrams. While this scenario is natural, there are a number of
theoretical issues which at least superficially challenge it. Most of these can
be accommodated. However, the behavior of quenched QCD which raises a number of
apparently analogous issues cannot be easily understood completely in terms of
an analogous scenario. Thus, the overall issue remains open
Renormalization Group Functional Equations
Functional conjugation methods are used to analyze the global structure of
various renormalization group trajectories, and to gain insight into the
interplay between continuous and discrete rescaling. With minimal assumptions,
the methods produce continuous flows from step-scaling {\sigma} functions, and
lead to exact functional relations for the local flow {\beta} functions, whose
solutions may have novel, exotic features, including multiple branches. As a
result, fixed points of {\sigma} are sometimes not true fixed points under
continuous changes in scale, and zeroes of {\beta} do not necessarily signal
fixed points of the flow, but instead may only indicate turning points of the
trajectories.Comment: A physical model with a limit cycle added as section IV, along with
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Effects of a Mindfulness-Based Intervention on Distress, Weight Gain, and Glucose Control for Pregnant Low-Income Women: A Quasi-Experimental Trial Using the ORBIT Model.
BackgroundStress can lead to excessive weight gain. Mindfulness-based stress reduction that incorporates mindful eating shows promise for reducing stress, overeating, and improving glucose control. No interventions have tested mindfulness training with a focus on healthy eating and weight gain during pregnancy, a period of common excessive weight gain. Here, we test the effectiveness of such an intervention, the Mindful Moms Training (MMT), on perceived stress, eating behaviors, and gestational weight gain in a high-risk sample of low income women with overweight/obesity.MethodWe conducted a quasi-experimental study assigning 115 pregnant women to MMT for 8 weeks and comparing them to 105 sociodemographically and weight equivalent pregnant women receiving treatment as usual. Our main outcomes included weight gain (primary outcome), perceived stress, and depression.ResultsWomen in MMT showed significant reductions in perceived stress (β = - 0.16) and depressive symptoms (β = - 0.21) compared to the treatment as usual (TAU) control group. Consistent with national norms, the majority of women (68%) gained excessive weight according to Institute of Medicine weight-gain categories, regardless of group. Slightly more women in the MMT group gained below the recommendation. Among secondary outcomes, women in MMT reported increased physical activity (β = 0.26) and had lower glucose post-oral glucose tolerance test (β = - 0.23), being 66% less likely to have impaired glucose tolerance, compared to the TAU group.ConclusionA short-term intervention led to significant improvements in stress, and showed promise for preventing glucose intolerance. However, the majority of women gained excessive weight. A longer more intensive intervention may be needed for this high-risk population. Clinical Trials.gov #NCT01307683
Beyond locutionary denotations: exploring trust between practitioners and policy
This study reports the findings of a research on the trust relationship between practitioners in the Skills for Life (SfL) area and the policy that informs their practice. The exploration of this relationship was premised on an extended notion of trust relationship which draws from the Speech Act theory of Austin (1962; Searle 1969; Kissine 2008), leading to the claim that the existence of different layers of imports in textual analysis makes it possible for a trust relationship to exist between the human/physical and the non human/non physical. The study found that the majority of practitioners in the SfL field trust policy to deliver its inherent policy only to a limited extent. Amongst others, the study identified the impact of the perlocutionary import of policy text on practitioners as a viable reason for this limited level of trust. Such perlocutionary imports, it also found, have adverse impact on practitioners who are considered to have drawn from previous experience to mediate the import of contemporary policies
Design of a novel quantitative PCR (QPCR)-based protocol for genotyping mice carrying the neuroprotective Wallerian degeneration slow (Wlds) gene
<p>Abstract</p> <p>Background</p> <p>Mice carrying the spontaneous genetic mutation known as Wallerian degeneration slow (<it>Wld</it><sup><it>s</it></sup>) have a unique neuroprotective phenotype, where axonal and synaptic compartments of neurons are protected from degeneration following a wide variety of physical, toxic and inherited disease-inducing stimuli. This remarkable phenotype has been shown to delay onset and progression in several mouse models of neurodegenerative disease, suggesting that <it>Wld</it><sup><it>s</it></sup>-mediated neuroprotection may assist in the identification of novel therapeutic targets. As a result, cross-breeding of <it>Wld</it><sup><it>s </it></sup>mice with mouse models of neurodegenerative diseases is used increasingly to understand the roles of axon and synapse degeneration in disease. However, the phenotype shows strong gene-dose dependence so it is important to distinguish offspring that are homozygous or heterozygous for the mutation. Since the <it>Wld</it><sup><it>s </it></sup>mutation comprises a triplication of a region already present in the mouse genome, the most stringent way to quantify the number of mutant <it>Wld</it><sup><it>s </it></sup>alleles is using copy number. Current approaches to genotype <it>Wld</it><sup><it>s </it></sup>mice are based on either Southern blots or pulsed field gel electrophoresis, neither of which are as rapid or efficient as quantitative PCR (QPCR).</p> <p>Results</p> <p>We have developed a rapid, robust and efficient genotyping method for <it>Wld</it><sup><it>s </it></sup>using QPCR. This approach differentiates, based on copy number, homozygous and heterozygous <it>Wld</it><sup><it>s </it></sup>mice from wild-type mice and each other. We show that this approach can be used to genotype mice carrying the spontaneous <it>Wld</it><sup><it>s </it></sup>mutation as well as animals expressing the <it>Wld</it><sup><it>s </it></sup>transgene.</p> <p>Conclusion</p> <p>We have developed a QPCR genotyping method that permits rapid and effective genotyping of <it>Wld</it><sup><it>s </it></sup>copy number. This technique will be of particular benefit in studies where <it>Wld</it><sup><it>s </it></sup>mice are cross-bred with other mouse models of neurodegenerative disease in order to understand the neuroprotective processes conferred by the <it>Wld</it><sup><it>s </it></sup>mutation.</p
Lensed type Ia supernovae in light of SN Zwicky and iPTF16geu
Strong gravitationally lensed supernovae (glSNe) are a powerful probe to
obtain a measure of the expansion rate of the Universe, but they are also
extremely rare. To date, only two glSNe with multiple images strongly lensed by
galaxies have been found, but their short time delays make them unsuitable for
cosmography. We simulate a realistic catalogue of lensed supernovae and study
the characteristics of the population of detectable systems for different
surveys. Our simulations show that the properties of glSNe in shallow surveys
(such as the Zwicky Transient Facility; ZTF) are determined by the need for
large magnifications, which favours systems of four images with short time
delays and low image separations. This picture is consistent with the
properties of iPTF16geu and SN~Zwicky, but is not representative of the
population found in deeper surveys, which are limited by the volume of the
Universe that is strongly lensed. In our simulations of the Legacy Survey of
Space and Time (LSST), glSNe show longer time delays and greater angular
separations. Of these systems in LSST, 35\% will allow for time-delay
measurements with a precision of 10\% or better. In the 10 years of the survey
LSST should be able to find 180 systems, of which 60 will be suited
for cosmography enabling a precision measurement with
LSST glSNe.Comment: 11 pages, 9 figures. Submitte
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