cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Körperbild, sportbezogene Erwartungen und Sportverhalten bei Jugendlichen
title: Body image, sport-related expectations, and sport behavior in adolescents
titleType: AlternativeTitle
Creators: name: Walter, Luca
Publisher: name: Philipps-Universität Marburg
Year: 2023
Subjects: subject: Psychology
subject: FOS: Psychology
subject: Psychologie
subject: Messzeitpunkte
subject: sport-related expectations
subject: body image
subject: Sportbezogene Erwartungen
subject: sport behavior
subject: Sportverhalten
subject: Jugendliche
subject: Körperbild

description: In dieser Bachelorarbeit werden die Konstrukte Körperbild, sportbezogene Erwartungen und Sportverhalten von Kindern und Jugendlichen behandelt. Dazu wurden zwei Hypothesen aufgestellt. Die erste lautet: „Es besteht ein signifikanter Zusammenhang zwischen dem Körperbild und sportbezogenen Erwartungen.“ Die zweite Hypothese lautet: „Bei Jugendlichen, die in zwei Wochen mehr Sporteinheiten als sonst ausübten, verbesserte sich das Körperbild von MZP1 zu MZP2.“ Zur Überprüfung der Hypothesen beantworteten 63 Kinder, Jugendliche und junge Erwachsene zu Messzeitpunkt 1 (MZP1) und 57 davon zu Messzeitpunkt 2 (MZP2) zwei Fragebögen. Die MZP lagen zwei Wochen auseinander. Neben Fragen zur Demografie wurden die Testinstrumente „Fragebogen zur Beurteilung des eigenen Körperbildes“ (FBeK) und der „Sports-Related Outcome Expectancies Questionnaire for Adolescents“ (SOEQ-A) genutzt. Zusätzlich wurden Fragen zum Sportverhalten gestellt. Um die erste Hypothese zu beantworten, wurden die Daten des ersten Messzeitpunktes ausgewertet. Um die zweite Hypothese zu überprüfen, wurden die Daten des ersten Messzeitpunktes mit denen des zweiten Messzeitpunktes verglichen. Es fanden sich lediglich zwischen einigen der Subskalen der beiden genutzten Fragebögen schwache lineare und nicht-lineare Zusammenhänge. Aufgrund der Stärke der Zusammenhänge und der Tatsache, dass nicht alle Subskalen einen ausreichenden signifikanten, hypothesenkonformen Zusammenhang aufweisen konnten, durfte die Nullhypothese nicht verworfen werden. In der Überprüfung der zweiten Hypothese fand sich nur auf der Skala Attraktivität/Selbstvertrauen ein signifikanter Unterschied zwischen den beiden Messzeitpunkten, der in der hypothesenunterstützenden Richtung ausfiel. Ähnlich zur Hypothese 1 durfte somit auch hier die Nullhypothese nicht verworfen werden. Es kann nicht bestätigt werden, dass sportbezogene Erwartungen und das Körperbild zusammenhängen. Außerdem kann nicht angenommen werden, dass sich das Körperbild bei gesteigertem Sportverhalten in zwei Wochen verbessert.
Bell as the Copernicus of Probability
Creators: name: Khrennikov, Andrei
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: Probability (math.PR)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Our aim is to emphasize the role of mathematical models in physics, especially models of geometry and probability. We briefly compare developments of geometry and probability by pointing to similarities and differences: from Euclid to Lobachevsky and from Kolmogorov to Bell. In probability Bell played the same role as Lobachevsky in geometry. In fact, violation of Bell's inequality implies the impossibility to apply the classical probability model of Kolmogorov (1933) to quantum phenomena. Thus quantum probabilistic model (based on Born's rule) is an example of non-Kolmogorovian model of probability, similarly to the Lobachevskian model -- the first example of non-Euclidean model of geometry. We also discuss coupling of the classical probabilistic model with classical (Boolean) logic. The Kolmogorov model of probability is based on the set-theoretic presentation of the Boolean logic. In this framework violation of Bell's inequality implies the impossibility to use the Boolean structure of events for quantum phenomena; instead of it, events have to be represented by linear subspaces. This is the "probability model" interpretation of violation of Bell's inequality. We also criticize the standard interpretation -- an attempt to add to rigorous mathematical probability models additional elements such as (non)locality and (un)realism. Finally, we compare embeddings of non-Euclidean geometries into the Euclidean space with embeddings of the non-Kolmogorovian probabilities (in particular, quantum probability) into the Kolmogorov probability space. As an example, we consider the CHSH-test.
description: consistent histories, the use of statistical data from incompatible experiments, no counterfactuals
372. Preferences regarding treatment with plasma exchange for ANCA-associated vasculitis: An extended international patient survey
Creators: name: Collister1, David
Publisher: name: Zenodo
Year: 2022
Subjects: Vasculitis
ANCA
Abstracts
Giant Cell Arthritis
MPA
GPA
EGPA
Takayasu
IgA vasculitis

description: Objectives: To elicit patient preferences regarding the use of plasma exchange (PLEX) in ANCA-associated vasculitis (AAV) and its tradeoffs of end stage kidney disease (ESKD) and serious infection. Methods: Respondents reviewed the estimated one-year risks of ESKD and serious infection in AAV with and without PLEX across 5 serum creatinine categories. For each scenario, participants indicated whether or not they would choose PLEX. Responses were assessed with multilevel multivariable logistic regression models to identify predictors of respondent choice regarding treatment with PLEX. Results: The 470 respondents from the 13 countries (United States 61.7%, United Kingdom 20.0%, Canada 13.8%, other countries 4.5%) had a mean age of 58.6 (SD 14.3) years, 70.2% female. Respondents were more likely to choose PLEX in scenarios at high risk of ESKD and serious infection (creatinine 350 or 450 µmol/L) compared to lower risk scenarios or the highest risk scenario. However, 145 (30.9%) chose PLEX across all scenarios while 80 (17.0%) declined PLEX across all scenarios. Respondents from the United Kingdom (OR 2.61, 95% CI 1.09-6.22), who received previous dialysis (OR 2.70, 95% CI 1.12-6.52), or received previous PLEX (OR 5.62, 95% CI 2.72-11.61) were more likely to choose PLEX while older respondents (OR 0.98, 95% CI 0.96-0.99 per 1 year increase) were less likely. Conclusion: Patients with AAV do not express a consistent choice for PLEX based on the benefits and risks it carries for the outcomes of ESKD and serious infection. This inconsistency highlights the need for shared decision-making when considering PLEX in AAV. Disclosures: None relevant to this work. Preliminary data presented here: https://www.asn-online.org/education/kidneyweek/2021/program-abstract.aspx?controlId=3611478
Dynamical spin injection at a quasi-one-dimensional ferromagnet-graphene interface
Creators: name: Singh, S.
name: Ahmadi, A.
name: Cherian, C. T.
name: Mucciolo, E. R.
name: del Barco, E.
name: Özyilmaz, B.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present a study of dynamical spin injection from a three-dimensional ferromagnet into two-dimensional single-layer graphene. Comparative ferromagnetic resonance (FMR) studies of ferromagnet/graphene strips buried underneath the central line of a coplanar waveguide show that the FMR linewidth broadening is the largest when the graphene layer protrudes laterally away from the ferromagnetic strip, indicating that the spin current is injected into the graphene areas away from the area directly underneath the ferromagnet being excited. Our results confirm that the observed damping is indeed a signature of dynamical spin injection, wherein a pure spin current is pumped into the single-layer graphene from the precessing magnetization of the ferromagnet. The observed spin pumping efficiency is difficult to reconcile with the expected backflow of spins according to the standard spin pumping theory and the characteristics of graphene, and constitutes an enigma for spin pumping in two-dimensional structures.
370. The Validity And Reliability Of The Turkish Version Of Bodi In A Retrospective Cohort
Creators: name: Yagiz-Ozogul1, Yeliz
Publisher: name: Zenodo
Year: 2022

description: Background/ Objectives: Behçet’s synome Overall Damage Index (BODI) is a newly developed damage index specific to Behçet synome (BS). We aimed to evaluate validity, reliability and feasibility of the Turkish version of BODI and evaluate its performance for use in retrospective cohort studies for different phenotypes of BS. Methods: The study included 295 patients with at least 3 BODI scores out of 590 consecutive BS patients who were followed up between January 2015 and August 2017. Turkish version of the BODI form was developed by translating into Turkish and backwards by 2 people. BODI scores were calculated for each year during the follow-up period. The test-retest reliability of BODI was assessed by scoring the same 50 patients at 6-month intervals by the same observer (YYO). Two different observers (YYO- YO) assessed the same 50 patients for inter-observer agreement. The intra-class correlation coefficient (ICC) was used to assess the inter and intra-observer agreement. We also evaluated the median time to fill out the form in patients with different types of involvements. Results: Of 295 (158 F/137 M) patients, the mean age was 39 (9.9) and the mean follow-up time was 4.3 (1.3) years. Demographic features of BS patients were summarized in the Table. BODI median score was 1 (IQR=0-1). We observed an increased in BODI score in 111 (38%) patients during follow-up. The main reasons for increasing BODI scores were eye, vascular and neurological involvement (Table). The mean ICC for inter-observer agreement was 0.94 (95% CI, 0.89-0.96) and for intra-observer agreement was 1. The median (range) time to complete the form was 2 (1-8) minutes. Conclusions: This study showed that the Turkish version of BODI was a reliable and feasible instrument that could capture the change over time in damage, and could be used in retrospective cohort studies. Ocular involvement was the most common cause of progressive damage in this cohort. Disclosures: Gulen Hatemi has received grant/research support from Celgene and has served as a speaker for AbbVie, Celgene, Novartis, and UCB Pharma. Yesim Ozguler has received honorariu for presentations from UCB Pharma, Novartis, and Pfizer. Vedat Hamuryudan has received grant/research support from Celgene and has served as a speaker for AbbVie, Celgene, Novartis, and UCB Pharma. No other disclosures were reported.
Improvements of the shock arrival times at the Earth model STOA
Creators: name: Liu, H. -L.
name: Qin, G.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Prediction of the shocks' arrival times (SATs) at the Earth is very important for space weather forecast. There is a well-known SAT model, STOA, which is widely used in the space weather forecast. However, the shock transit time from STOA model usually has a relative large error compared to the real measurements. In addition, STOA tends to yield too much `yes' prediction, which causes a large number of false alarms. Therefore, in this work, we work on the modification of STOA model. First, we give a new method to calculate the shock transit time by modifying the way to use the solar wind speed in STOA model. Second, we develop new criteria for deciding whether the shock will arrive at the Earth with the help of the sunspot numbers and the angle distances of the flare events. It is shown that our work can improve the SATs prediction significantly, especially the prediction of flare events without shocks arriving at the Earth.
description: Submitted to JGR
The Power of Reading and Writing During the Northern Ireland Troubles: A Women's Perspective
Creators: name: Arnsberg, Emily
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022
Subjects: Northern Ireland
Reading
Authorship

description: From the late 1960s to the 1990s, Northern Ireland experienced turbulence and violence, as Unionist Protestants and Nationalist Catholics disagreed regarding the destiny of Northern Ireland and its ties to the United Kingdom.  During this 30-year period, known as the “troubles,” Northern Ireland and its people found refuge in the written word, expressing their emotions and thoughts in diaries, and communicating with each other to build communities.  This paper examines the role of reading and writing during this conflict, specifically from the women’s perspective.  Diaries, personal narratives, memoirs, and fictionalized novels were analyzed, as well as information from two semi-structured interviews.  These documents and interviews were used to determine the value of reading and writing for women during this time frame, who were trying to go about their daily lives in Northern Ireland.  The documentary analysis revealed four themes for why women chose to read and write during this 30-year period: one, breaking the silence; two, as therapeutic and/or coping strategies; three, creating normalcy or control of the situation; and four, as a descriptive method to help compare their situation or emotions they were feeling, or “filling the void.”
Conductivity of weakly disordered strange metals: from conformal to hyperscaling-violating regimes
Creators: name: Lucas, Andrew
name: Sachdev, Subir
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We present a semi-analytic method for constructing holographic black holes that interpolate from anti-de Sitter space to hyperscaling-violating geometries. These are holographic duals of conformal field theories in the presence of an applied chemical potential, $μ$, at a non-zero temperature, $T$, and allow us to describe the crossover from `strange metal' physics at $T \ll μ$, to conformal physics at $T \gg μ$. Our holographic technique adds an extra gauge field and exploits structure of the Einstein-Maxwell system to manifestly find 1-parameter families of solutions of the Einstein-matter system in terms of a small family of functions, obeying a nested set of differential equations. Using these interpolating geometries, we re-consider holographically some recent questions of interest about hyperscaling-violating field theories. Our focus is a more detailed holographic computation of the conductivity of strange metals, weakly perturbed by disorder coupled to scalar operators, including both the average conductivity as well as sample-to-sample fluctuations. Our findings are consistent with previous scaling arguments, though we point out logarithmic corrections in some special (holographic) cases. We also discuss the nature of superconducting instabilities in hyperscaling-violating geometries with appropriate choices of scalar couplings.
description: 31 pages, 6 figures. v2: published version
Monotonicity of ratios of q-Kummer confluent hypergeometric and q-hypergeometric functions and associated Turán types inequalities
Creators: name: Mehrez, Khaled
name: Sitnik, Sergei M.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 33C15

description: In this paper we prove monotonicity of some ratios of $q$--Kummer confluent hypergeometric and $q$--hypergeometric functions. The results are also closely connected with Turán type inequalities. In order to obtain main results we apply methods developed earlier by the authors for the case of classical Kummer and Gauss hypergeometric functions.
description: 9 pages. arXiv admin note: substantial text overlap with arXiv:1410.6120
Cubic order spin effects in the dynamics and gravitational wave energy flux of compact object binaries
Creators: name: Marsat, Sylvain
Publisher: name: arXiv
Year: 2014
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We investigate cubic-in-spin effects for inspiralling compact objects binaries, both in the dynamics and the energy flux emitted in gravitational waves, at the leading post-Newtonian order. We use a Lagrangian formalism to implement finite-size effects, and extend it at cubic order in the spins, which corresponds to the octupolar order in a multipolar decomposition. This formalism allows us to derive the equation of motion, equations of precession for the spin, and stress-energy tensor of each body in covariant form, and admits a formal generalization to any multipolar order. For spin-induced multipoles, i.e. in the case where the rotation of the compact object is sole responsible for the additional multipole moments, we find a unique structure for the octupolar moment representing cubic-in-spin effects. We apply these results to compute the associated effects in the dynamics of compact binary systems, and deduce the corresponding terms in the energy loss rate due to gravitational waves. These effects enter at the third-and-a-half post-Newtonian order, and can be important for binaries involving rapidly spinning black holes. We provide simplified results for spin-aligned, circular orbits, and discuss the quantitative importance of the new contributions.
description: 35 pages - corrections include referee comments, typos, additional references
A Usability Study and Prototype Design of the Study Room Reservation System of UNC Library Website
Creators: name: Yidan Gao
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022
Subjects: Academic libraries
Public services (Libraries)
Reservation systems

description: As a core library service, study room reservation (SRR) promotes a collaborative learning environment. Since the COVID-19 pandemic, user demand and needs for SRRs have unprecedentedly been soaring due to social distancing and health protection. However, the usability and user experience of an SRR system has rarely been investigated. This study aims to fill in this gap by taking a mixed-method approach to assess the usability of an SRR system at the library website of the University of North Carolina at Chapel Hill, prototype a new design based on user feedback, and conduct an A/B testing to compare user experiences. Findings will help the academic library system improve the SRR service, better meet users’ needs during and after the COVID-19 pandemic and provide empirical evidence to the design and development of SRR systems.
Black Books Matter: A Content Analysis of the Black Experience in Picture Books
Creators: name: Grimes, Lyric
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022
Subjects: Reading interests of black people
Picture books for children
Content analysis

description: This study is a content analysis of children’s picture books. Fifteen books were evaluated to determine how the Black experience is presented in children’s picture books. The books were selected from The Brown Bookshelf. This site was chosen due to its mission. The Brown Bookshelf was designed to push awareness of the myriad of Black voices writing for young readers. The books were selected from the curated 2020 and 2021 lists. 

The content analysis results revealed that the overall depiction of the Black experience from the 2020 and 2021 lists was accurate, uplifting, and non-stereotypical. The illustrations allowed the full beauty of Black features, skin tones, and hair to shine through, while storylines and characterizations were nuanced and holistic. There were no differences in language between non-Black and Black characters. Results found that although these books and stories were not universal, they accurately portrayed the Black experience and could be used as a “window.” The books were “culturally conscious” and accurately depicted the Black experience.
ARE GRADUATING UNIVERSITY STUDENTS ENTERING THE INFORMATION WORKFORCE FAMILIAR WITH DIGITAL ACCESSIBILITY? A STUDY ON DIGITAL ACCESSIBILITY AWARENESS
Creators: name: Erik A. Koenig
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2022
Subjects: Digital Accessibility

description: This study investigates the digital accessibility awareness of graduate and undergraduate students from a major public research university who are preparing to graduate from information workforce generating degree programs.  Students from four major degree programs (information science, computer science, communications, and media and journalism) completed in-depth semi-structured interview sessions to discuss the concept and answer detailed questions about digital accessibility fundamentals and applications within the student’s respective field of work or study. The vast majority of students interviewed were very familiar with digital accessibility and showed that they were prepared to implement its fundamental principles in their future professional roles in the workforce after graduation.
On-site Background Measurements for the J-PARC E56 Experiment: A Search for Sterile Neutrino at J-PARC MLF
Creators: name: Ajimura, S.
name: Bezerra, T. J. C.
name: Chauveau, E.
name: Enomoto, T.
name: Furuta, H.
name: Harada, M.
name: Hasegawa, S.
name: Hiraiwa, T.
name: Igarashi, Y.
name: Iwai, E.
name: Maruyama, T.
name: Meigo, S.
name: Nakano, T.
name: Niiyama, M.
name: Nishikawa, K.
name: Nomachi, M.
name: Ohta, R.
name: Sakai, H.
name: Sakai, K.
name: Sakamoto, S.
name: Shima, T.
name: Suekane, F.
name: Suzuki, S. Y.
name: Suzuya, K.
name: Tauchi, K.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The J-PARC E56 experiment aims to search for sterile neutrinos at the J-PARC Materials and Life Science Experimental Facility (MLF). In order to examine the feasibility of the experiment, we measured the background rates of different detector candidate sites, which are located at the third floor of the MLF, using a detector consisting of plastic scintillators with a fiducial mass of 500 kg. The result of the measurements is described in this article. The gammas and neutrons induced by the beam as well as the backgrounds from the cosmic rays were measured.
description: submitted to PTEP. arXiv admin note: substantial text overlap with arXiv:1502.02255: Revision on 2015-April-22
Use of Project-Based Learning in Preparation of Education Managers: Case of Post-Soviet Azerbaijan
Creators: name: Mammadova, Lala
Publisher: name: Journal of Problem Based Learning in Higher Education
Year: 2020

description: This study explores the implementation of Project-Based Learning (PBL) in Master of Education Management Programs in two Azerbaijani universities. The aim was to find out if the sample universities integrate projects into their programs using a systematic PBL model. Interviews with the faculty and administration were conducted and the curricula of programs were scrutinized to assess the level of the consistency in the subjects on offer. Although the courses in both programs are quite suitable for PBL integration, only in one of the sample universities was there evidence of extensive use of projects, albeit mainly in a single assignment level. The results show that Azerbaijani universities need to develop a well-structured PBL model adapted to the local context. The results of the interviews emphasize the crucial role of PBL in the acquisition of employable skills and competences in education management. Major limitations in the process of PBL implementation include a lack of awareness about PBL, inadequate organizational support in the form of staff trainings, the provision of facilities and negotiations with stakeholders.
description: Journal of Problem Based Learning in Higher Education, Early view
Maximally Entangled States of Four Nonbinary Particles
Creators: name: Gaeta, Mario
name: Klimov, Andrei
name: Lawrence, Jay
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Systems of four nonbinary particles, each having three or more internal states, exhibit maximally entangled states that are inaccessible to four qubits. This breaks the pattern of two- and three-particle systems, in which the existing graph states are equally accessible to binary and nonbinary systems alike. We compare the entanglement properties of these special states (called P-states) with those of the more familiar GHZ and cluster states accessible to qubits. The comparison includes familiar entanglement measures, the "steering" of states by projective measurements, and the probability that two such measurements, chosen at random, leave the remaining particles in a Bell state. These comparisons demonstrate not only that P-state entanglement is stronger than the other types, but that it is maximal in a well-defined sense. We prove that GHZ, cluster, and P-states represent all possible entanglement classes of four-particle graph states with a prime number (>2) of states per particle.
description: 26 pages, 3 figures, Appendix B proof expanded slightly
366. Clinical and pathological predictors of relapse in IgG4-related disease
Creators: name: Zongfei Ji1
Publisher: name: Zenodo
Year: 2022
Subjects: Vasculitis
ANCA
Abstracts
Giant Cell Arthritis
MPA
GPA
EGPA
Takayasu
IgA vasculitis

description: Objectives: In IgG4-related disease, the relationship between pathological findings and relapse has not been well established. This study aimed to identify the clinical and pathological predictors of disease relapse in IgG4-RD. Methods: Patients with newly diagnosed IgG4-RD (n = 71) were enrolled between January 2011 and April 2020; all cases were pathologically confirmed. The clinical and pathological features were recorded in a database at baseline and each follow-up visit. Patients were followed up at least once a month via outpatient clinic examinations and telephone calls. Univariate and multivariate Cox regression analyses and receiver operating curve (ROC) analysis were used to identify the predictors of disease relapse and to assess their predictive value. Results: Over median follow-up of 26 (range, 6-123) months, 3/71 (4.2%) patients died. Of the remaining 68 patients, 47 (69.1%) patients had achieved clinical remission and 21 (30.9%) had suffered relapse at the last follow-up. The independent predictors of relapse were IgG4 ≥6.5 g/L (OR = 2.84, 95% CI: 1.11-7.23), IgG ≥20.8 g/L (OR = 4.11, 95% CI: 1.53-11.06), IgG4-RD responder index (RI) ≥9 (OR = 3.82, 95% CI: 1.28-11.37), and severe IgG4+ plasma cell infiltration (OR = 6.32, 95% CI: 1.79-22.41). A prognostic score developed using three of the identified predictors (IgG ≥20.8 g/L, IgG4-RD RI ≥9, and severe IgG4+ plasma cell infiltration) showed good value for predicting impending relapse (AUC, 0.806). Conclusions: In patients with IgG4-RD, IgG4 ≥6.5 g/L, IgG ≥20.8 g/L, IgG4-RD responder index (RI) ≥9, and severe IgG4+ plasma cell infiltration are predictors of relapse. Keywords: IgG4-related disease; relapse; prognostic factor Disclosures: None
Metal Enrichment in the Fermi Bubbles as a Probe of Their Origin
Creators: name: Inoue, Yoshiyuki
name: Nakashima, Shinya
name: Tahara, Masaya
name: Kataoka, Jun
name: Totani, Tomonori
name: Fujita, Yutaka
name: Sofue, Yoshiaki
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The Fermi bubbles are gigantic gamma-ray structures in our Galaxy. The physical origin of the bubbles is still under debate. The leading scenarios can be divided into two categories. One is the nuclear star forming activity similar to extragalactic starburst galaxies and the other is the past active galactic nucleus (AGN) like activity of the Galactic center supermassive black hole. In this paper, we propose that metal abundance measurements will provide an important clue to probe their origin. Based on a simple spherically symmetric bubble model, we find that the generated metallicity and abundance pattern of the bubbles' gas strongly depend on assumed star formation or AGN activities. Star formation scenarios predict higher metallicities and abundance ratios of [O/Fe] and [Ne/Fe] than AGN scenarios do because of supernovae ejecta. Furthermore, the resultant abundance depends on the gamma-ray emission process because different mass injection histories are required for the different gamma-ray emission processes due to the acceleration and cooling time scales of non-thermal particles. Future X-ray missions such as ASTRO-H and Athena will give a clue to probe the origin of the bubbles through abundance measurements with their high energy resolution instruments.
description: 6 pages, 1 figure, accepted for publication in PASJ
Getting information via a quantum measurement: the role of decoherence
Creators: name: Liuzzo-Scorpo, Pietro
name: Cuccoli, Alessandro
name: Verrucchi, Paola
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this work we investigate the relation between quantum measurements and decoherence, in order to formally express the necessity of the latter for obtaining an informative output from the former. To this aim, referring to the Von Neumann scheme for ideal quantum measurements, we first look for the minimal structure that the interaction between principal system and measurement apparatus must have for properly describing the process, beyond the quantum measurement limit, and then analyze the dynamical evolution induced by one such interaction. The analysis is developed by means of a recently introduced method for studying open quantum systems, namely the parametric representation with environmental coherent states, that allows us to determine a necessary condition that the quantum state of the apparatus must fullfil in order to give information on the observable being measured. We find that this condition strictly implies decoherence in the principal system, with respect to the eigenstates of the hermitian operator that represents the measured observable, thus establishing that there cannot be information flux from a quantum system towards a readable analyser unless decoherence occurs. The relevance of dynamical entanglement generation is highlighted, and consequences of the possible macroscopic structure of the measurement apparatus are also commented upon.
Research on wind turbine gearbox fault diagnosis with deep transfer learning method
Creators: name: Wang, Xin
Publisher: name: Zenodo
Year: 2022
Subjects: deep transfer learning
wind turbine
mechanical fault diagnosis
hyper-parameter search

description: As the most complex component in the transmission system, the operating state of the wind turbine gearbox has a tremendous impact on the monitoring of the health status and operation control of the wind turbine equipment. Abnormalities in wind turbines that lead to downtime not only result in a loss of electrical energy, but also a significant increase in maintenance costs. Therefore, with the wind turbine gearbox as the main object of study, the following studies were carried out:
 For microscopic local conditions in gearbox gear systems, a method for obtaining modal data using finite element simulation analysis of single tooth faults is proposed. Using a combination of deep auto-encoder structures and BP structures for secondary training strategies, a linear and non-linear performance evaluation method is proposed, which takes into account the relationship between performance and efficiency.
 Hyper-parameter configuration in deep transfer structures is often arbitrary, so a hierarchical transfer network structure hyper-parameter searching method is proposed to address the gearbox planetary system fault classification problem. The algorithm is validated using the classical LeNet-5 reconfiguration transfer application on a modal dataset of the planetary system. Finally, a stability validation and results analysis of the algorithm performance is carried out.
 A compressed sensing-based sparse signal decomposition method is proposed, and the structure of the transfer network is redesigned to achieve deep migration learning from rolling bearing faults to gear faults. A new network architecture was designed using a plug-and-play attention module. Pre-training models were designed and produced for fault data to improve the accuracy and recognition speed of fault diagnosis model classification. Finally, the effects of the same number of samples in the source and target domains and different distributions of sample features on the performance of the transfer learning method and the effects of hyper-parameters on the final performance of the network structure are verified.
369. Predictors of Remission and Relapse In Chronic Periaortitis: A Retrospective Study On 115 Patients
Creators: name: Bond1, Milena
Publisher: name: Zenodo
Year: 2022
Subjects: Vasculitis
ANCA
Abstracts
Giant Cell Arthritis
MPA
GPA
EGPA
Takayasu
IgA vasculitis

description: Background/Objectives: to identify predictors of remission and relapse, after the end of treatment, in patients suffering from chronic periaortitis (CP) Methods: we retrospectively included all consecutive patients: I) with a confirmed diagnosis of CP, II) who had received a glucocorticoid (GC)-based treatment course, alone or combined with other immunosuppressants, for a minimum of 6 and a maximum of 9 months, III) with a follow up of at least 12 months, III) who had undergone at least an imaging examination (CT, or PET-CT) both at baseline and after end of treatment. Logistic univariate and multivariate regression models were used to estimate risk of remission, according to baseline demographic and clinical parameters. Cox univariate and multivariate regression models were used to estimate the risk of relapse, according to demographic and clinical parameters at baseline, at month 4 after treatment initiation and at end of treatment. For Cox regressions, time at risk was set as the time (in months) from disease remission to the first relapse (if any) or to the last available follow-up. Results: One huned and fifteen patients with a confirmed diagnosis of CP, followed by dedicated outpatient clinics of Parma and Florence University Hospitals, were included. The median follow-up was 33 [17.5-57.7] months. Baseline characteristics are shown in table 1. Every patient received a 6–9-month GC course with/without other immunosuppressive ugs (Methotrexate 19%, mycophenolate mofetil 14%, Rituximab 4%). Remission was reached in 101/115 (87.3%) patients, of whom 42 (42.6%) experienced at least one relapse with a time to first relapse of 14 [8-26] months. Predictors of remission: we found that smoking status and atypical CP localization were negative independent predictors of remission (P=0.049 and P=0.005 respectively), while a positive PET-CT at baseline was an independent positive predictor of remission (table 2a). Predictors of relapse: we found that a positive PET-CT after end of treatment and thoracic vessels involvement were independent predictors of relapse (P=0.003 and P=0.016 respectively, table 2b). Conclusions: This stratification of patients according to risk of remission and relapse allows for differentiation of treatment choices in different disease subsets, identifying those patients who require a greater load of immunosuppression to achieve remission or avoid relapse. Disclosures: nothing to disclose
Eucharistie und Diakonie
Creators: name: Nothelle-Wildfeuer, Ursula
Publisher: name: Internationale katholische Zeitschrift Communio
Year: 2022

description: Internationale katholische Zeitschrift Communio, Bd. 43 Nr. 2 (2014): Internationale katholische Zeitschrift Communio, Band 43, Heft 2
Hard gap in epitaxial semiconductor-superconductor nanowires
Creators: name: Chang, W.
name: Albrecht, S. M.
name: Jespersen, T. S.
name: Kuemmeth, F.
name: Krogstrup, P.
name: Nygård, J.
name: Marcus, C. M.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Many present and future applications of superconductivity would benefit from electrostatic control of carrier density and tunneling rates, the hallmark of semiconductor devices. One particularly exciting application is the realization of topological superconductivity as a basis for quantum information processing. Proposals in this direction based on proximity effect in semiconductor nanowires are appealing because the key ingredients are currently in hand. However, previous instances of proximitized semiconductors show significant tunneling conductance below the superconducting gap, suggesting a continuum of subgap states---a situation that nullifies topological protection. Here, we report a hard superconducting gap induced by proximity effect in a semiconductor, using epitaxial Al-InAs superconductor-semiconductor nanowires. The hard gap, along with favorable material properties and gate-tunability, makes this new hybrid system attractive for a number of applications, as well as fundamental studies of mesoscopic superconductivity.
description: Combined text and supplementary information, Nature Nanotechnology (2015)
Wetting morphologies on an array of fibers of different radii
Creators: name: Sauret, Alban
name: Boulogne, François
name: Cébron, David
name: Dressaire, Emilie
name: Stone, Howard A.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Computational Physics (physics.comp-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We investigate the equilibrium morphology of a finite volume of liquid placed on two parallel rigid fibers of different radii. As observed for identical radii fibers, the liquid is either in a column morphology or adopts a drop shape depending on the inter-fiber distance. However the cross-sectional area and the critical inter-fiber distance at which the transition occurs are both modified by the polydispersity of the fibers. Using energy considerations, we analytically predict the critical inter-fiber distance corresponding to the transition between the column and the drop morphologies occurs. This distance depends both on the radii of the fibers and on the contact angle of the liquid. We perform experiments using a perfectly wetting liquid on two parallel nylon fibers: the results are in good agreement with our analytical model. The morphology of the capillary bridges between fibers of different radii is relevant to the modeling of large arrays of polydisperse fibers.
371. Pulmonary capillaritis and seeking Panakeia
Creators: name: Colleran1, Miriam
Publisher: name: Zenodo
Year: 2022
Subjects: Vasculitis
ANCA
Abstracts
Giant Cell Arthritis
MPA
GPA
EGPA
Takayasu
IgA vasculitis

description: Background: The Greek goddess Panakeia (Panacea) was the goddess of cures, remedies and panaceas. This is a narrative of the lived experience of having pulmonary capillaritis as noted by a mother. The aim is to share the lived experience of this ultra-rare, alveolar haemorrhaging synome that can be life-threatening. Thereby, hopefully increase awareness of the whole person impact of this disease. This narrative will share the interventions that helped from a lived perspective, of the therapeutic journey and of challenges of having an ultra-rare disease including diagnostic difficulties and the paucity of evidence. In many ways, this is a narrative about seeking Panakeia. Methods: This is a narrative from the perspective of the mother and primary caregiver who is also a doctor and from the family records kept of results received, interventions and copies of some correspondence received. Results: Pulmonary capillaritis is an ultra-rare, alveolar haemorrhaging synome that had a ound impact in ter of symptom burden, recurrent hospitalisations and decreased school attendances. Networking with others via social media, looking to the ether of the internet for data and seeking help will be shared. Communication, disbelief and being heard have been important aspects of this journey as a carer. Steroids, cyclophosphamide and more recently, immunomodulatory IV immunoglobulin (IVIg) have been landmark treatments as seen through this lived perspective. Equally the complex side effects of treatment including life-threatening Cryptococcal infection while on immunosuppression occurred. Conclusions: Living with pulmonary capillaritis has been a very encompassing experience as a family. This included the challenge of diagnosis, the watchful waiting and anticipation of recurrences and acute exacerbations and the juggle of negotiating a complex illness and typical life experiences. Seeking treatment options and possibilities has been a significant part of this jigsaw. Meanwhile as a family we will continue to seek Panakeia. Disclosure: None.
Ecological momentary assessment of heavy episodic drinking in the early postpartum period: A feasibility study
Creators: name: Dauber, Sarah
name: Beacham, Alexa
name: West, Allison
name: Devkota, Janardan
name: Barrie, Kadjatu
name: Thrul, Johannes
Publisher: name: La Trobe
Year: 2023
Subjects: classificationCode: 42
subject: Health sciences
subject: FOS: Health sciences

description: BACKGROUND: Postpartum mothers are at heightened risk for heavy episodic drinking (HED). Research with this population is critical to developing acceptable and effective tailored interventions, but new mothers who use alcohol are often reluctant to engage in research due to stigma and fear of child removal. This study examined feasibility of recruitment and ecological momentary assessment (EMA) in early postpartum mothers with histories of HED. METHODS: Participants were recruited via Facebook and Reddit and completed 14 days of EMA surveys. Baseline characteristics, recruitment feasibility, and EMA feasibility and acceptability were examined. Participants attended focus groups to further inform quantitative data. RESULTS: Reddit yielded a larger proportion of eligible individuals than Facebook, and 86% of the final enroled sample was recruited via Reddit. The average compliance rate of 75% is in line with other studies of similar populations. Half the sample reported alcohol use, and 78% reported the urge to drink at least once, supporting feasibility of EMA for collecting alcohol use data. Participants reported low burden and high acceptability of the study on both quantitative and qualitative measures. Baseline low maternal self-efficacy was associated with greater EMA compliance, and first-time mothers reported lower EMA burden compared to veteran mothers. College graduates, and participants with lower drinking refusal self-efficacy and greater alcohol severity were more likely to report alcohol use on EMA. CONCLUSIONS: Future studies should consider Reddit as a recruitment strategy. Findings generally support feasibility and acceptability of EMA to assess HED in postpartum mothers.
Die russische Kirche an den Abgründen des 20. Jahrhunderts
Creators: name: Poljakova, Ekaterina
Publisher: name: Internationale katholische Zeitschrift Communio
Year: 2022

description: Internationale katholische Zeitschrift Communio, Bd. 43 Nr. 2 (2014): Internationale katholische Zeitschrift Communio, Band 43, Heft 2
Long-term evolution, X-ray outburst and optical/infrared emission of SGR 0501+4516
Creators: name: Benli, O.
name: Caliskan, S.
name: Ertan, U.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We have analyzed the long-term evolution and the X-ray outburst light curve of SGR 0501+4516 in the frame of the fallback disc model. We have shown that the X-ray luminosity, period and period derivative of this typical soft gamma repeater can be achieved by a neutron star with a large range of initial disc masses provided that the source has a magnetic dipole field of ~ 1.4 x 10^{12} G on the pole of the star. At present, the star is accreting matter from the disc, which has an age ~ 3 x 10^4 yr, and will remain in the accretion phase until t ~ 2 - 5 x 10^5 yr depending on the initial disc mass. With its current rotational rate, this source is not expected to give pulsed radio emission even if the accretion on to the star is hindered by some mechanism. The X-ray enhancement light curve of SGR 0501+4516 can be accounted for by the same model applied earlier to the X-ray enhancement light curves of other anomalous X-ray pulsars/soft gamma repeaters with the same basic disc parameters. We have further shown that the optical/IR data of SGR 0501+4516 is in good agreement with the emission from an irradiated fallback disc with the properties consistent with our long-term evolution model.
description: 6 pages, 5 figures, 1 table, appeared in MNRAS (Typo corrected in version 2)
The alignment of satellite galaxies and cosmic filaments: observations and simulations
Creators: name: Tempel, E.
name: Guo, Q.
name: Kipper, R.
name: Libeskind, N. I.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The accretion of satellites onto central galaxies along vast cosmic filaments is an apparent outcome of the anisotropic collapse of structure in our Universe. Numerical work (based on gravitational dynamics of N-body simulations) indicates that satellites are beamed towards hosts along preferred directions imprinted by the velocity shear field. Here we use the Sloan Digital Sky Survey to observationally test this claim. We construct 3D filaments and sheets and examine the relative position of satellite galaxies. A statistically significant alignment between satellite galaxy position and filament axis in observations is confirmed. We find a qualitatively compatible alignments by examining satellites and filaments similarly identified in the Millennium simulation, semi-analytical galaxy catalogue. We also examine the dependence of the alignment strength on galaxy properties such as colour, magnitude and (relative) satellite magnitude, finding that the alignment is strongest for the reddest and brightest central and satellite galaxies. Our results confirm the theoretical picture and the role of the cosmic web in satellite accretion. Furthermore our results suggest that filaments identified on larger scales can be reflected in the positions of satellite galaxies that are quite close to their hosts.
description: 13 pages, 12 figures, accepted for publication in MNRAS