cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Schirmwirkung von symmetrischen Datenkabeln bis 2 GHz
Creators: name: Mund, Bernhard
Publisher: name: Aachen : Apprimus
Year: 2016
Subjects: subject: Datenkabel
subject: Datenübertragung
subject: Schirmwirkung
subject: Konferenzschrift
subject: Dewey Decimal Classification::600 | Technik
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau::621 | Angewandte Physik::621,3 | Elektrotechnik, Elektronik

description: Mit der geplanten Einführung digitaler Datenübertragung mit 40 Gbps für Anwendungen in Rechenzentren erweitert sich der Frequenzbereich, in dem symmetrische Datenkabel für strukturierte Verkabelung betrieben werden beträchtlich. Die neuen Normen IEC 61156-9 und IEC 61156-10 Kabel für Etagenverkabelung bzw. Geräteanschlusskabel mit Übertragungseigenschaften bis 2 GHz beschreiben die Anforderungen an solche Datenkabel bis 1,6 bzw. bis 2 GHz. Die Schirmwirkung dieser Kabel wird unter anderem durch die Kopplungsdämpfung als Überlagerung von Schirmdämpfung und Unsymmetriedämpfung beschrieben. Zur Messung der Kopplungsdämpfung sowie zur Messung weiterer Übertragungseigenschaften wie Reflexionsoder Unsymmetriedämpfung wird ein differentielles Signal benötigt. Dies kann z. B. mit einem Symmetrieübertrager (Balun) erzeugt werden. Handelsübliche Symmetrieübertrager sind allerdings nur bis ca. 1,2 GHz verfügbar. Alternativ kann ein symmetrisches Signal auch mit einem vektoriellen Netzwerkanalysator (VNA) mit zwei um 180° in der Phase verschobene Generatoren erzeugt werden. Eine weitere Alternative ist die Messung mit einem Mischmoden bzw. Mixed-mode VNA (virtueller Balun). Im folgenden Bericht werden die verschiedenen Möglichkeiten zur Messung der Kopplungsdämpfung geschirmter symmetrischer Kabel diskutiert. Dazu wurde ein TP-Anlegefeld zum Anschluss des VNA mit guten HF-Eigenschaften bis 2 GHz sowie eine Platine für den symmetrisch/unsymmetrischen Abschluss für geschirmte symmetrische Paare entwickelt. Innerhalb der gegebenen Randbedingungen zeigen Messungen mit dem Triaxialverfahren mit Standardrohr und mit offenem Rohr sowie Messungen mit Absorberzangen gute Übereinstimmung.
Common Information and Secret Key Capacity
Creators: name: Tyagi, Himanshu
Publisher: name: arXiv
Year: 2013
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: We study the generation of a secret key of maximum rate by a pair of terminals observing correlated sources and with the means to communicate over a noiseless public com- munication channel. Our main result establishes a structural equivalence between the generation of a maximum rate secret key and the generation of a common randomness that renders the observations of the two terminals conditionally independent. The minimum rate of such common randomness, termed interactive common information, is related to Wyner's notion of common information, and serves to characterize the minimum rate of interactive public communication required to generate an optimum rate secret key. This characterization yields a single-letter expression for the aforementioned communication rate when the number of rounds of interaction are bounded. An application of our results shows that interaction does not reduce this rate for binary symmetric sources. Further, we provide an example for which interaction does reduce the minimum rate of communication. Also, certain invariance properties of common information quantities are established that may be of independent interest.
description: Accepted for publication in the IEEE Transactions on Information Theory
Joint action: Mental representations, shared information and general mechanisms for coordinating with others
Creators: name: Vesper, Cordula
name: Abramova, Ekaterina
name: Bütepage, Judith
name: Ciardo, Francesca
name: Crossey, Benjamin
name: Effenberg, Alfred O.
name: Hristova, Dayana
name: Karlinsky, April
name: McEllin, Luke
name: Nijssen, Sari R.R.
name: Schmitz, Laura
name: Wahn, Basil
Publisher: name: Lausanne : Frontiers Research Foundation
Year: 2017
Subjects: subject: Action prediction
subject: Coordination
subject: Culture
subject: Joint action
subject: Joint attention
subject: Sensorimotor communication
subject: Social interaction
subject: Dewey Decimal Classification::100 | Philosophie::150 | Psychologie

description: In joint action, multiple people coordinate their actions to perform a task together. This often requires precise temporal and spatial coordination. How do co-actors achieve this? How do they coordinate their actions toward a shared task goal? Here, we provide an overview of the mental representations involved in joint action, discuss how co-actors share sensorimotor information and what general mechanisms support coordination with others. By deliberately extending the review to aspects such as the cultural context in which a joint action takes place, we pay tribute to the complex and variable nature of this social phenomenon.
Folate, vitamin B12, and vitamin B6 status of a group of high socioeconomic status women in the Alberta Pregnancy Outcomes and Nutrition (APrON) cohort
Creators: name: Fayyaz, Faiqa
name: Wang, Flora
name: Jacobs, René L.
name: O'Connor, Deborah L.
name: Bell, Rhonda C.
name: Field, Catherine J.
Publisher: name: University of Alberta Libraries
Year: 2014

Abstract
Production of natural colorants by liquid fermentation with Chlorociboria aeruginascens and Laetiporus sulphureus and prospective applications
Creators: name: Zschätzsch, Marlen
name: Steudler, Susanne
name: Reinhardt, Olena
name: Bergmann, Pia
name: Ersoy, Franziska
name: Stange, Stephanie
name: Wagenführ, André
name: Walther, Thomas
name: Berger, Ralf Günter
name: Werner, Anett
Publisher: name: Weinheim : Wiley-VCH
Year: 2021
Subjects: subject: Chlorociboria aeruginascens
subject: laetiporic acid
subject: Laetiporus sulphureus
subject: natural dye
subject: xylindein
subject: Bioreactors
subject: Dyeing
subject: Acid production
subject: Incubation time
subject: Liquid fermentations
subject: Natural colorants
subject: Optimal results
subject: Prospective applications
subject: Sustainable economy
subject: Shear stress
subject: fungal enzyme
subject: pigment
subject: unclassified drug
subject: bioreactor
subject: color
subject: cultivation
subject: dye
subject: extraction method
subject: fermentation
subject: hazardous waste
subject: incubation
subject: industrial production
subject: liquid
subject: biomass
subject: bioprocess
subject: controlled study
subject: fungus
subject: fungus growth
subject: incubation time
subject: nonhuman
subject: process optimization
subject: prospective study
subject: shear stress
subject: surface property
subject: Dewey Decimal Classification::600 | Technik::660 | Technische Chemie

description: The replacement of potentially hazardous synthetic dyes with natural dyes and pigments are of great interest for a sustainable economy. In order to obtain cost-efficient, environmentally friendly and competitive products, improvements in the cultivation and extraction of pigment-producing organisms and in dyeing processes are necessary. In our study, we were able to scale up the production of xylindein by Chlorociboria aeruginascens from 3 to 70 L bioreactor cultivations. We have identified important bioprocess parameters like low shear stress (150 rpm, tip speed <0.5 m/s) for optimal pigment yield (4.8 mg/L/d). Additionally, we have demonstrated the potential of laetiporic acid production by Laetiporus sulphureus in various cultivation systems and media, achieving dried biomass concentrations of almost 10 g/L with a 7 L bioreactor cultivation after 17 days. Extractions performed at 70°C and 15 min incubation time showed optimal results. To the best of our knowledge, we have described for the first time the use of this pigment in silk dyeing, which results in a brilliant hue that cannot easily be produced by other natural pigments. © 2020 The Authors. Engineering in Life Sciences published by Wiley-VCH GmbH
e+e- results from BABAR and implications for g-2
Creators: name: Davier, Michel
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The BABAR collaboration has nearly completed a program of precise measurements of the cross sections for the dominant channels of e+e- --> hadrons from threshold to an energy of 3-5 GeV using the initial-state radiation (ISR) method, i.e. the measurement of the cross sections e+e- --> gamma hadrons with the energetic photon detected at large angle to the beams. These data are used as input to vacuum polarization dispersion integrals, in particular the hadronic contribution to the muon g-2 anomaly. In addition to the recently measured pi+pi- cross section, giving the dominant contibution, many multihadronic channels have been investigated, with some recent examples presented here. We give preliminary results for the process e+e- --> K+K-(gamma) using 232 fb-1 of data collected with the BABAR detector at e+e- center-of-mass energies near 10.6 GeV. The lowest-order contribution to the hadronic vacuum polarization term in the muon magnetic anomaly is obtained for this channel: amu-KK-LO=(22.95 +-0.14(stat) +-0.22(syst)) 10^-10, which is about a factor of three more precise than the previous world average value.
description: 4 pages, 5 figures, talk given at the Tau Workshop, September 2012, Nagoya
USUST's library publishing programme during the Russian-Ukrainian war - presentation at the 3rd AEUP Conference "Publishing in Nervous Times"
Creators: name: Demydovych, Inna
Publisher: name: Zenodo
Year: 2023
Subjects: library publishing
institutional publishing
open access
academic publishing
scholarly communication
open textbooks

description: A presentation by Inna Demydovych on USUST's library publishing programme during the Russian-Ukrainian war presented at the 3rd AEUP Conference "Publishing in Nervous Times" on 16 May 2023 in Tallinn, Estonia.
Development of a laser powder bed fusion process tailored for the additive manufacturing of high-quality components made of the commercial magnesium alloy WE43
Creators: name: Julmi, Stefan
name: Abel, Arvid
name: Gerdes, Niklas
name: Hoff, Christian
name: Hermsdorf, Jörg
name: Overmeyer, Ludger
name: Klose, Christian
name: Maier, Hans Jürgen
Publisher: name: Basel : MDPI AG
Year: 2021
Subjects: subject: Magnesium
subject: Powder bed fusion
subject: Process development
subject: 3D printers
subject: Additives
subject: Aluminum alloys
subject: Aluminum coated steel
subject: Magnesium castings
subject: Magnesium powder
subject: Microstructure
subject: Titanium castings
subject: Casting process
subject: Different geometry
subject: High-quality components
subject: Microstructure of metals
subject: Parameter screening
subject: Process parameters
subject: Processing parameters
subject: Relative density
subject: Magnesium alloys
subject: Dewey Decimal Classification::600 | Technik

description: Additive manufacturing (AM) has become increasingly important over the last decade and the quality of the products generated with AM technology has strongly improved. The most common metals that are processed by AM techniques are steel, titanium (Ti) or aluminum (Al) alloys. However, the proportion of magnesium (Mg) in AM is still negligible, possibly due to the poor processability of Mg in comparison to other metals. Mg parts are usually produced by various casting processes and the experiences in additive manufacturing of Mg are still limited. To address this issue, a parameter screening was conducted in the present study with experiments designed to find the most influential process parameters. In a second step, these parameters were optimized in order to fabricate parts with the highest relative density. This experiment led to processing parameters with which specimens with relative densities above 99.9% could be created. These highdensity specimens were then utilized in the fabrication of test pieces with several different geometries, in order to compare the material properties resulting from both the casting process and the powder bed fusion (PBF-LB) process. In this comparison, the compositions of the occurring phases and the alloys’ microstructures as well as the mechanical properties were investigated. Typically, the microstructure of metal parts, produced by PBF-LB, consisted of much finer grains compared to as-cast parts. Consequently, the strength of Mg parts generated by PBF-LB could be further increased. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Neighbourhood Disadvantage and Vision Screening Failure Rates: Analysis of a School-Based Vision Program in Baltimore, Maryland
Creators: name: Vongsachang, Hursuong
name: Guo, Xinxing
name: Friedman, David S.
name: Yenokyan, Gayane
name: Collins, Megan E.
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Medicine
subject: Neuroscience
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: To investigate the relationship between neighbourhood disadvantage and vision screening failure rates. This analysis uses aggregate data from pre-kindergarten to eighth grade schools participating in a school-based vision programme in Baltimore, Maryland, from 2016 to 2019. Data on number of students screened and number of students who failed vision screening per grade level were recorded for each school. The Area Deprivation Index (ADI) was obtained for each school using the school’s ZIP+4 code. The association between vision screening failure rates by grade and school ADI was analysed using negative binomial regression models, adjusted for grade level and accounting for clustering by school. Nine hundred seventy-two grades across 117 schools were included in this analysis. Median national ADI percentile across the sample was 71 [interquartile range (IQR): 48–85] (100 = most deprived). The median grade-level screening failure rate across the entire sample was 33% [IQR: 26–41%]. School ADI was not associated with vision screening failure rate (incidence rate ratio (IRR) = 1.01 per 10 percentage point increase in ADI, 95% CI: 0.99, 1.03, p = 0.217). In this study, there was no association between vision screening failure rates and school ADI. With one in three students failing screening in a high poverty public school district, these findings suggest a high need for vision services across schools in all neighbourhoods. Future work should investigate the impact of students’ home ADI and socioeconomic status on vision screening outcomes.
Feeling machine for process monitoring of components with stock allowance
Creators: name: Denkena, Berend
name: Bergmann, Benjamin
name: Witt, Matthias
Publisher: name: Basel : MDPI AG
Year: 2021
Subjects: subject: Feeling machine
subject: Process monitoring
subject: Turning
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau

description: To realize the increasing automation and flexibilization of production, it is necessary to monitor component-specific characteristics under fluctuating production conditions. Signals with a high correlation to the process quality have to be evaluated. In machining, the process force is an important measurand, which is sensitive to changes in the process. Feeling machines with force-sensitive machine tool components are therefore a promising signal source to monitor the machining. However, the force is also sensitive to non-critical process fluctuations such as stock allowance. Consequently, it is necessary to perform signal pre-processing and generate features that increase the robustness of the monitoring. In this paper, the material-specific cutting force was investigated for the first time concerning its suitability for process monitoring of parts with a stock allowance. The sensitivity of confidence limits was evaluated based on the normed bandgap. For the investigation, face turning processes of 20MnCr5 were carried out. The results show that the use of material-specific cutting force improves the sensitivity of the confidence limits to process errors. In this context, the feeling machine can be used to substitute the dynamometer for process monitoring. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
title: Warum archäologische Gegenstände keine „Funde“ sein dürfen – Die Verwaltungsvorschrift zu § 17 Schatzregal DSchG NRW
Creators: name: Fuchs, Christian
Publisher: name: University Library Heidelberg
Year: 2015

description: Nordrhein-Westfalen hat mit der Novellierung des Denkmalschutzgesetzes (DSchG NRW) am 16. Juli 2013 als eines der letzten Bundesländer ein Schatzregal für archäologische Gegenstände eingeführt und dabei auch den unbestimmten Rechtsbegriff „Funde“. Die Verwaltungsvorschrift zur Ausführung des Gesetzes zum Schutz und zur Pflege der Denkmäler im Lande Nordrhein-Westfalen (VV zum DSchG) vom 11.4.2014 erläutert näher, welche archäologischen Gegenstände als „Funde“ angesprochen werden. Danach gelten fortan nur noch archäologische Gegenstände aus wissenschaftlichen Grabungen als bewegliche Bodendenkmäler. Archäologische Lese- und Detektorfunde hingegen sind grundsätzlich „Funde“ in Sinne von § 17 DSchG NRW ohne Denkmaleigenschaft; neu werden nun nur noch „Funde von besonderer wissenschaftlicher Bedeutung“ vom DSchG erfasst. Demnach hätte Nordrhein-Westfalen ein uneingeschränktes Schatzregal für bewegliche Denkmäler und archäologische Gegenstände aus Grabungen geschaffen und zugleich ein stark eingeschränktes Schatzregal für archäologische Lese- und Detektorfunde. Diese Regelung hat sehr weitreichende Folgen, da Lesefunde nun nicht mehr von den Fachämtern registriert werden müssen; ihre Kenntnis geht damit der Wissenschaft verloren und ihre Fundstellen bleiben ohne gesetzlichen Schutz. Damit verstoßen die Ausführungsbestimmungen gegen fachliche Ethik und die europäische Konvention von La Valletta/Malta.
description: North-Rhine Westphalia’s amendment of its Heritage Protection Act (DSchG NRW) on 16 July 2013 made it one of the last federal states to introduce the term treasure trove for archaeological objects and thus the vague legal term “finds” as well. The Administrative Ordinance to implement the Act for the preservation of historic buildings and monuments in the German federal state of North-Rhine Westphalia (VV for the DSchG) of 11 April 2014 explains in more detail which archaeological objects are designated as “finds”. It states that, from now on, only archaeological objects from scientific digs are deemed to be portable archaeological monuments. Archaeological stray finds and detector finds, on the other hand, are always “finds” pursuant to Sect. 17 DSchG NRW without monument character; what is new is that only “finds of special scientific significance” are now covered by the DSchG. This means that North-Rhine Westphalia has created an unlimited treasure trove for portable archaeological heritage and archaeological objects from digs, and at the same time a greatly restricted treasure trove for archaeological stray finds and detector finds. This provision has extremely far-reaching consequences, since stray finds now no longer have to be registered by the specialist authorities; researchers will no longer be aware of them, and the sites of their discovery remain without legal protection. The implementation regulations thus contravene archaeological ethics and the European Valetta Treaty/Malta Convention.
title: Geometrical method for solving the reverse kinematic problem of the manipulator with six degree of freedom
Creators: name: Avdonin, K.A.
name: Zakharov, O.V.
Publisher: name: Scientific Research Centre "MachineStructure"
Year: 2019

description: The inverse kinematic problem for the redundant manipulator has a multivariate solution. Therefore, an optimization approach is appropriate. The article describes a robot with 6 degrees of freedom. It is proposed to use the sum of the angles of the links of the robot as an optimization criterion. The simulation showed that the optimal solution provides for a reduction in the sum of the angles of rotation of the manipulator approximately two times.
REGENERATIVE MEDICINE APPROACHES FOR HEART DISEASE - PROMISING STRATEGIES FOR CARDIAC REPAIR
Creators: name: Brandl, Edenilson
Publisher: name: Zenodo
Year: 2023
Subjects: regenerative medicine
heart disease
systematic review
cardiac regeneration
stem cell therapy
tissue engineering
scientific innovation
clinical applications
cardiac repair
patient-centered approaches

description: The exploration of regenerative medicine for heart disease initiated with a comprehensive systematic review, drawing from expert-authored books to unveil the methodologies and developments shaping cardiac repair. The review illuminated a dynamic and evolving field, portraying a spectrum of approaches from historical evolution to contemporary breakthroughs in stem cell therapy and tissue engineering. Not confined to theory, regenerative medicine is actively transforming cardiac care, transitioning from laboratories to real-world treatments. Scientific innovation converges with clinical applications, signifying a present reality reshaping the landscape of cardiac health. The systematic review's insights, revealing diverse methodologies, serve as a robust foundation for further exploration, guiding the understanding of practical applications, challenges, and the promising future of regenerative medicine in heart disease. This field signifies tangible progress, where methodologies developed in research laboratories bridge the gap between science and the well-being of patients, offering hope and possibilities for cardiac repair and regeneration.
 
Die Erforschung der regenerativen Medizin bei Herzerkrankungen begann mit einer umfassenden systematischen Überprüfung, die sich auf von Experten verfasste Bücher stützte, um die Methoden und Entwicklungen zu enthüllen, die die Herzreparatur prägen. Die Rezension beleuchtete ein dynamisches und sich entwickelndes Feld und schilderte ein Spektrum von Ansätzen von der historischen Evolution bis hin zu aktuellen Durchbrüchen in der Stammzelltherapie und im Tissue Engineering. Die regenerative Medizin beschränkt sich nicht nur auf die Theorie, sondern verändert aktiv die Herzversorgung, indem sie von Laboren zu Behandlungen in der Praxis übergeht. Wissenschaftliche Innovation konvergiert mit klinischen Anwendungen und stellt eine gegenwärtige Realität dar, die die Landschaft der Herzgesundheit neu gestaltet. Die Erkenntnisse der systematischen Überprüfung, die unterschiedliche Methoden aufzeigen, dienen als solide Grundlage für weitere Untersuchungen und leiten das Verständnis praktischer Anwendungen, Herausforderungen und der vielversprechenden Zukunft der regenerativen Medizin bei Herzerkrankungen. Dieser Bereich bedeutet spürbaren Fortschritt, da in Forschungslabors entwickelte Methoden die Lücke zwischen Wissenschaft und dem Wohlergehen der Patienten schließen und Hoffnung und Möglichkeiten für die Reparatur und Regeneration des Herzens bieten.
F-VIPGI: a new adapted version of VIPGI for FORS2 spectroscopy. Application to a sample of 16 X-ray selected galaxy clusters at 0.6 < z < 1.2
Creators: name: Nastasi, Alessandro
name: Scodeggio, Marco
name: Fassbender, Rene
name: Boehringer, Hans
name: Pierini, Daniele
name: Verdugo, Miguel
name: Garilli, Bianca
name: Franzetti, Paolo
Publisher: name: arXiv
Year: 2013
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The goal of this paper is twofold. Firstly, we present F-VIPGI, a new version of the VIMOS Interactive Pipeline and Graphical Interface (VIPGI) adapted to handle FORS2 spectroscopic data. Secondly, we investigate the spectro-photometric properties of a sample of galaxies residing in distant X-ray selected galaxy clusters, the optical spectra of which were reduced with this new pipeline. We provide basic technical information about the innovations of the new software and, as a demonstration of the capabilities of the new pipeline, we show results obtained for 16 distant (0.65 < z < 1.25) X-ray luminous galaxy clusters selected within the XMM-Newton Distant Cluster Project. We performed a spectral indices analysis of the extracted optical spectra of their members, based on which we created a library of composite high signal-to-noise ratio spectra representative of passive and star-forming galaxies residing in distant galaxy clusters. The spectroscopic templates are provided to the community in electronic form. By comparing the spectro-photometric properties of our templates with the local and distant galaxy population residing in different environments, we find that passive galaxies in clusters appear to be well evolved already at z = 0.8 and even more so than the field galaxies at similar redshift. Even though these findings would point toward a significant acceleration of galaxy evolution in densest environments, we cannot exclude the importance of the mass as the main evolutionary driving element either. The latter effect may indeed be justified by the similarity of our composite passive spectrum with the luminous red galaxies template at intermediate redshift.
description: 15 pages, 15 figures, in press on Astronomy and Astrophysics
title: ПРАВОВЫЕ ОСНОВЫ ПОДГОТОВКИ ГОСУДАРСТВЕННЫХ И МУНИЦИПАЛЬНЫХ СЛУЖАЩИХ
Creators: name: Алексина, Ирина
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2019

description: Определены приоритетные направления подготовки государственных и муниципальных служащих, среди которых выделены профессиональные качества при конкурсном отборе карьерных привлекательных должностей, объективность при отборе и оценке кадров, ориентация на «клиента».
Stochastic Gravitational Wave Background generated by Cosmic String Networks: Velocity-Dependent One-Scale model versus Scale-Invariant Evolution
Creators: name: Sousa, L.
name: Avelino, P. P.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We compute the power spectrum of the stochastic gravitational wave background generated by cosmic string networks described by the Velocity-Dependent One-Scale (VOS) model, for a wide range of macroscopic and microscopic parameters. The VOS model --- which has been shown to provide an accurate macroscopic description of the evolution of cosmic string networks --- is used to demonstrate that cosmic string networks are unable to rapidly attain scale-invariant evolution after the transition between the radiation and matter eras. However, in computations of the stochastic gravitational wave background, it is often assumed that the networks experience scale-invariant evolution throughout cosmological history. We demonstrate that this assumption leads to an underestimation of the amplitude and broadness of the peak of the spectrum, that may consequently lead to inaccurate observational constraints on the cosmic string tension.
description: 11 pages, 9 figures
Laura DeNardis, Derrick L. Cogburn, Nanette S. Levinson, and Francesca Musiani (Eds.), Researching Internet Governance: Methods, Frameworks, Futures, Cambridge, MA: MIT Press, 2020, 324 pp., $35.00 (paperback)
Creators: name: Jamieson, Thomas
Publisher: name: Open Access Te Herenga Waka-Victoria University of Wellington
Year: 2023
Subjects: classificationCode: 3602
subject: Creative and professional writing
classificationCode: 4701
subject: Communication and media studies
classificationCode: 3605
subject: Screen and digital media

description: No description supplied
Givens Coordinate Descent Methods for Rotation Matrix Learning in Trainable Embedding Indexes
Creators: name: Jiang, Yunjiang
name: Zhang, Han
name: Qiu, Yiming
name: Xiao, Yun
name: Long, Bo
name: Yang, Wen-Yun
Publisher: name: arXiv
Year: 2022
Subjects: subject: Information Retrieval (cs.IR)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: Product quantization (PQ) coupled with a space rotation, is widely used in modern approximate nearest neighbor (ANN) search systems to significantly compress the disk storage for embeddings and speed up the inner product computation. Existing rotation learning methods, however, minimize quantization distortion for fixed embeddings, which are not applicable to an end-to-end training scenario where embeddings are updated constantly. In this paper, based on geometric intuitions from Lie group theory, in particular the special orthogonal group $SO(n)$, we propose a family of block Givens coordinate descent algorithms to learn rotation matrix that are provably convergent on any convex objectives. Compared to the state-of-the-art SVD method, the Givens algorithms are much more parallelizable, reducing runtime by orders of magnitude on modern GPUs, and converge more stably according to experimental studies. They further improve upon vanilla product quantization significantly in an end-to-end training scenario.
description: published in ICLR 2022
In what way do institutionalized platforms and procured providers challenge University Presses and the quality of peer review in scholarly publishing? - presentation at the 3rd AEUP Conference "Publishing in Nervous Times"
Creators: name: Lenz, Christina
Publisher: name: Zenodo
Year: 2023
Subjects: university press
peer review
open access
academic publishing
scholarly communication

description: A presentation by Christina Lenz "In what way do institutionalized platforms and procured providers challenge University Presses and the quality of peer review in scholarly publishing?" presented at the 3rd AEUP Conference "Publishing in Nervous Times" on 16 May 2023 in Tallinn, Estonia.
Effects of equivalent composition on superconducting properties of high-entropy REOBiS$_2$ (RE = La, Ce, Pr, Nd, Sm, Gd) single crystals
Creators: name: Fujita, Yuma
name: Nagao, Masanori
name: Miura, Akira
name: Urushihara, Daisuke
name: Mizuguchi, Yoshikazu
name: Maruyama, Yuki
name: Watauchi, Satoshi
name: Takano, Yoshihiko
name: Tanaka, Isao
Publisher: name: arXiv
Year: 2023
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Superconductors are influenced by high-entropy alloys (HEAs); these have been investigated in various functional materials. REOBiS$_2$ (RE = La, Ce, Pr, Nd, Sm, and Gd in different combinations) single crystals with HEAs at the RE-site were successfully grown using the flux method. The obtained crystals were plate-shaped (1 mm$^2$) with a well-developed c-plane. Ce was present in both trivalent (Ce$^{3+}$) and tetravalent (Ce$^{4+}$) electronic configurations; the concentration of Ce$^{4+}$ at the RE-site was approximately 10 at% in all single crystals. The single crystals showed superconducting transition temperature with zero resistivity within 1.2-4.2 K. The superconducting transition temperature, superconducting anisotropy, electronic specific heat coefficient, and Debye temperature of the crystals were not correlated with the mixed entropy at the RE-site. Except for the electronic specific heat coefficient, the variation of these parameters as a function of mixed entropy showed different trends for equivalent and non-equivalent RE element compositions. Thus, the configuration of RE elements influences the superconducting properties of REOBiS$_2$ single crystals, alluding to a method of modulating transition temperatures.
title: Planung von Stichprobenerhebungen
Creators: name: Schäffer, Karl-August
Publisher: name: Universitätsbibliothek Mannheim
Year: 1996

description: Digitalisierte Ausgabe 2019. Gedruckt erschienen im Handbuch Quantitative Methoden (1996), hrsg. von Edgar Erdfelder, Rainer Mausfeld, Thorsten Meiser und Georg Rudinger, beim Beltz-Verlag (Weinheim), ISBN 3-621-27280-1.
title: Grundlagen experimenteller Methoden
Creators: name: Bredenkamp, Jürgen
Publisher: name: Universitätsbibliothek Mannheim
Year: 1996

description: Digitalisierte Ausgabe 2019. Gedruckt erschienen im Handbuch Quantitative Methoden (1996), hrsg. von Edgar Erdfelder, Rainer Mausfeld, Thorsten Meiser und Georg Rudinger, beim Beltz-Verlag (Weinheim), ISBN 3-621-27280-1.
title: Quasi-experimentelle Untersuchungsmethoden
Creators: name: Bierhoff, Hans Werner
name: Rudinger, Georg
Publisher: name: Universitätsbibliothek Mannheim
Year: 1996

description: Digitalisierte Ausgabe 2019. Gedruckt erschienen im Handbuch Quantitative Methoden (1996), hrsg. von Edgar Erdfelder, Rainer Mausfeld, Thorsten Meiser und Georg Rudinger, beim Beltz-Verlag (Weinheim), ISBN 3-621-27280-1.
Carex flava X Hostiana
Creators: name: Becherer
Publisher: name: Zenodo
Year: 1956
Subjects: Biodiversity
Taxonomy

description: C. flava X Hostiana (= C. xanthocarpa Degland) Cat. 370. l: Marcot ob Salvan (Coquoz); Dorénaz (Garns). - 3: Valsorey (Guyot).
description: Published as part of Becherer, 1956, Florae Vallesiacae Supplementum, pp. 1-556 in Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71 on pages 1-556
Enhanced grinding performance by means of patterned grinding wheels
Creators: name: Denkena, Berend
name: Grove, Thilo
name: Göttsching, Tim
name: Da Silva, Eraldo Jannone
name: Coelho, Reginaldo Teixeira
name: Filleti, Remo
Publisher: name: London : Springer Verlag
Year: 2015
Subjects: subject: Fly-cutting
subject: Grinding
subject: Grinding performance
subject: Patterning
subject: Grinding wheels
subject: Surface roughness
subject: Wheels
subject: Cutting kinematics
subject: Cylindrical grinding
subject: Grinding power
subject: Innovative method
subject: Patterning process
subject: Patterning tools
subject: Grinding (machining)
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau

description: In this paper, a new and innovative method for the patterning of grinding wheels is presented. The patterns are machined with a patterning tool by using fly-cutting kinematics. By changing the patterning process parameters, different pattern sizes and densities can be machined in a flexible way. Surface and cylindrical grinding experiments show that grinding with patterned grinding wheels can significantly reduce process forces, grinding burn, and grinding power. The surface roughness increases because less active cutting edges remain when grinding with patterned wheels. But especially for roughing processes, the results show great potential for increasing the overall grinding performance. The final publication is available at Springer via http://dx.doi.org/10.1007/s00170-014-6579-8.
Molecular Gas and Star Formation in Nearby Disk Galaxies
Creators: name: Leroy, Adam K.
name: Walter, Fabian
name: Sandstrom, Karin
name: Schruba, Andreas
name: Munoz-Mateos, Juan-Carlos
name: Bigiel, Frank
name: Bolatto, Alberto
name: Brinks, Elias
name: de Blok, W. J. G.
name: Meidt, Sharon
name: Rix, Hans-Walter
name: Rosolowsky, Erik
name: Schinnerer, Eva
name: Schuster, Karl-Friedrich
name: Usero, Antonio
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We compare molecular gas traced by 12CO(2-1) maps from the HERACLES survey, with tracers of the recent star formation rate (SFR) across 30 nearby disk galaxies. We demonstrate a first-order linear correspondence between Sig_mol and Sig_SFR but also find important second-order systematic variations in the apparent molecular gas depletion time, t_dep^mol = Sig_mol / Sig_SFR. At our 1 kpc common resolution, CO correlates closely with many tracers of the recent SFR. Weighting each line of sight equally and using a fixed, Milky Way alpha_CO, our data yield a molecular gas depletion time, t_dep^mol=Sig_mol/Sig_SFR ~ 2.2 Gyr with 0.3 dex scatter, in good agreement with literature data. We apply a forward-modeling approach to constrain the power-law index, N, that relates the SFR surface density and the molecular gas surface density and find N=1+/-0.15 for our full data set with some variation from galaxy to galaxy. However, we caution that a power law treatment oversimplifies the topic given that we observe correlations between t_dep^mol and other local and global quantities. The strongest of these are a decreased t_dep^mol in low-mass, low-metallicity galaxies and a correlation of the kpc-scale t_dep^mol with dust-to-gas ratio, D/G. These correlations can be explained by a CO-to-H2 conversion factor that depends on D/G in the theoretically expected way. This is not a unique interpretation, but external evidence of conversion factor variations makes it a conservative one. After applying a D/G-dependent alpha_CO, some weak correlations between t_dep^mol and local conditions persist. In particular, we observe lower t_dep^mol and enhanced CO excitation associated with some nuclear gas concentrations. These appear to reflect real enhancements in the SFR/H2 and t_dep appears multivalued at fixed Sig_mol, supporting the the idea of "disk" and "starburst" modes driven by environmental factors.
description: 39 pages (incl. 10 page appendix), 19 figures, figures degraded for astro-ph. Until publication a higher resolution version available at http://www.cv.nrao.edu/~aleroy/heracles_sfco.pdf - we suggest that one
Das Erfolgspotential strategischer Produktsprache für die identitätsbasierte Markenführung
Creators: name: Burmann, Christoph
name: Karrenbrock, Till
Publisher: name: Universität Bremen
Year: 2019
Subjects: subject: strategische Produktsprache
subject: identitätsbasierte Markenführung
subject: 330

description: Das Erfolgspotential strategischer Produktsprache für die identitätsbasierte Markenführung
title: Neue Erhebungsmethoden
Creators: name: Bierhoff, Hans Werner
Publisher: name: Universitätsbibliothek Mannheim
Year: 1996

description: Digitalisierte Ausgabe 2019. Gedruckt erschienen im Handbuch Quantitative Methoden (1996), hrsg. von Edgar Erdfelder, Rainer Mausfeld, Thorsten Meiser und Georg Rudinger, beim Beltz-Verlag (Weinheim), ISBN 3-621-27280-1.
Casimir invariants and the Jacobi identity in Dirac's theory of constrained Hamiltonian systems
Creators: name: Chandre, Cristel
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mathematical Physics (math-ph)
subject: Chaotic Dynamics (nlin.CD)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: We consider constrained Hamiltonian systems in the framework of Dirac's theory. We show that the Jacobi identity results from imposing that the constraints are Casimir invariants, regardless of the fact that the matrix of Poisson brackets between constraints is invertible or not. We point out that the proof we provide ensures the validity of the Jacobi identity everywhere in phase space, and not just on the surface defined by the constraints. Two examples are considered: A finite dimensional system with an odd number of constraints, and the Vlasov-Poisson reduction from Vlasov-Maxwell equations.
Das Leibniz Forschungszentrum FZ:GEO : Den Forschungsgegenstand Erde aus verschiedenen Perspektiven betrachten
Creators: name: Sester, Monika
name: Holtz, Francois
name: Beckmann, Lilian
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2022
Subjects: subject: Forschungseinrichtung
subject: Klimaänderung
subject: Erdoberfläche
subject: Geologie
subject: Ressourcen
subject: Dewey Decimal Classification::500 | Naturwissenschaften::550 | Geowissenschaften

description: Die Erde befindet sich im Wandel. Umso wichtiger ist es, drängende geo- und umweltwissenschaftliche Fragestellungen in den Blick zu nehmen und interdisziplinär zu erforschen. Im Forschungsverbund FZ:GEO haben sich aus diesem Grund Wissenschaftler*innen aus vier Fakultäten und 16 Instituten zusammengeschlossen, beteiligt sind außerdem das GEOZENTRUM Hannover und das Landesamt für Geoinformation und Landesvermessung Niedersachsen. Eine Einleitung.
Equivalent conditions of Devaney chaos on the hyperspace
Creators: name: Li, Jian
Publisher: name: arXiv
Year: 2013
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37B99, 54H20, 54B20

description: Let $T$ be a continuous self-map of a compact metric space $X$. The transformation $T$ induces natural a continuous self-map $T_K$ on the hyperspace $K(X)$ of all non-empty closed subsets of $X$. In this paper, we show that the system $(K(X),T_K)$ on the hyperspace is Devaney chaotic if and only if $(K(X),T_K)$ is an HY-system if and only if $(X,T)$ is an HY-system, where a system $(Y,S)$ is called an HY-system if it is totally transitive and has dense small periodic sets.
description: 5 pages
title: ФИНАНСОВО-ЭКОНОМИЧЕСКИЙ АНАЛИЗ КАК ЭТАП УПРАВЛЕНИЯ ПРИБЫЛЬЮ ПРЕДПРИЯТИЯ
Creators: name: Аскерова, Маргарита
name: Небилович, Алена
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2019

description: Делается акцент на экономическом анализе как ключевом этапе управления прибылью. Представлены результаты анализа прибыли и рентабельности, проведенного с помощью различных методов. Приведены варианты управленческих решений, в основе которых положены результаты анализа прибыли и рентабельности.
Is There Intergenerational Continuity in Early Life Experiences? Findings from the Harvard Study of Adult Development
Creators: name: Schulz, Marc
name: Dorame, Ashley N.
name: Luo, Jing
name: Spiro, Avron
name: Atherton, Olivia E.
name: Nevarez, Michael
name: Horgan, Daniel
name: Waldinger, Robert J
name: Graham, Eileen K
name: Ferrie, Joseph
name: Mroczek, Dan
name: Lewina O. Lee
Publisher: name: Open Science Framework
Year: 2023
Subjects: subject: Social and Behavioral Sciences
subject: socioeconomic mobility
subject: childhood health
subject: multilevel modeling
subject: adversity
subject: early life experiences
subject: socioeconomic status
subject: education level
subject: home atmosphere
subject: lifespan
subject: intergenerational
subject: social class
subject: family size
subject: childhood
subject: Harvard Study of Adult Development
subject: parent-child relationship quality
subject: sex
subject: longitudinal
subject: birth order

description: As research continues to elucidate the impact of early life experiences on later life outcomes, there has been increased interest in understanding why some individuals have optimal early life experiences, whereas others do not. Prior work has considered the correlates and impact of early life experiences within a person’s lifetime, yet we know little about whether early life experiences are sustained across generations. We use multi-generational data from 1,312 offspring and their fathers (N = 518 families), who were followed for 70+ years, to understand the extent to which there is intergenerational continuity in multiple domains of early life experience (childhood social class, childhood home atmosphere, parent-child relationship quality, childhood health); whether intergenerational continuity is greater for some domains of early life experience than others; and if there are person-level (offspring sex and birth order) and family-level factors (family size, father education level and education mobility) that strengthen (or weaken) intergenerational continuity. Multilevel models showed that, at the aggregate level, fathers who had better early life experiences overall tended to have children with better early life experiences. This intergenerational continuity was particularly robust for childhood social class, and non-significant for the other domains of early life experiences. Moreover, the intergenerational continuity of early life experiences was moderated by father education level and education mobility, such that low education level conferred risks, and upward education mobility conferred benefits, for offspring’s early life experiences. We discuss the broader theoretical and practical significance of the findings for future interventions and social policy.
Simulationsbasierte Untersuchung der Einflussfaktoren auf die magnetischen Streufelder bei induktiven Ladesystemen von Elektrofahrzeugen
Creators: name: Willmann, B.
name: Vick, R.
Publisher: name: Aachen : Apprimus
Year: 2016
Subjects: subject: Streufeld
subject: Elektrofahrzeug
subject: Batteriespeicher
subject: Konferenzschrift
subject: Dewey Decimal Classification::600 | Technik
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau::621 | Angewandte Physik::621,3 | Elektrotechnik, Elektronik

description: Alternative, elektrische Antriebskonzepte mit Batteriespeicher sind in Form von Hybridund reinen Elektrofahrzeugen Gegenstand von zukunftsorientierten Mobilitätskonzepten. Bisherige Markteintrittsbarrieren für Elektrofahrzeuge sind neben vergleichsweise hohen Anschaffungskosten und der Reichweitenproblematik auch zeitaufwendige und umständliche Ladeverfahren. Eine Möglichkeit, um das Laden von Elektrofahrzeugen anwenderfreundlicher zu machen sind induktive Ladeverfahren (engl. WPT – Wireless Power Transfer). Diese Systeme lassen sich einfach in bestehende Infrastrukturen integrieren und fügen sich unauffällig in das Stadtbild ein. Induktive Ladeverfahren werden seit einiger Zeit beispielsweise in der Medizintechnik oder in der Unterhaltungselektronik (Laden von Mobiltelefonen) eingesetzt [1]. Für das induktive Laden von Elektrofahrzeugen sind aktuell Leistungsklassen von 3,3 kW bis 7,7 kW und Übertragungsfrequenzen im Bereich mehrerer kHz angedacht. Der Wirkungsgrad dieser Systeme liegt im Bereich von 90% [2]. Bevor diese Systeme im öffentlichen Raum eingesetzt werden können, ist die Beeinflussung anderer Systeme und deren Einfluss auf den menschlichen Körper zu klären (Elektromagnetische Verträglichkeit [EMV] bzw. – Umweltverträglichkeit [EMVU]). Die ICNIRP 2010-Richtlinie definiert einen Referenzgrenzwert für Frequenzen ab 3 kHz von umgerechnet 24 dBμT. Dieser Wert sollte an keiner von Personen zugänglichen Stelle am Fahrzeug und in dessen Umgebung überschritten werden. Ziel dieser Studie ist es, mit Hilfe der EMV-Simulation Einflussfaktoren auf die magnetischen Streufelder eines modellierten induktiven Ladesystems für Elektrofahrzeuge zu identifizieren. Nachdem in Abschnitt 3 das Ladesystem und EMV-Maßnahmen betrachtet wurde, wird in Abschnitt 4 das Gesamtsystem aus Fahrzeugkarosserie und Ladesystem simuliert. Dabei werden unterschiedliche Karosseriematerialien betrachtet und die magnetische Flussdichte innerhalb und außerhalb des Fahrzeugs ermittelt.
The velocity function of dark matter halos at r=20 kpc: Remarkably little evolution since z ~ 4
Creators: name: Weinmann, Simone M.
name: Franx, Marijn
name: van Dokkum, Pieter
name: Bezanson, Rachel
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We investigate the evolution in the dark matter halo circular velocity function, measured at a fixed physical radius of 20 kpc (v_20), which is likely to be a good proxy for galaxy circular velocity, in the Millennium-II simulation. We find that the v_20 function evolves remarkably little since z ~ 4. We analyze the histories of the main progenitors of halos, and we find that the dark matter distribution within the central 20 kpc of massive halos has been in place since early times. This provides evidence for the inside-out growth of haloes. The constancy of the central circular velocity of halos may offer a natural explanation for the observational finding that the galaxy circular velocity is an excellent predictor of various galaxy properties. Our results also indicate that we can expect a significant number of galaxies with high circular velocities already at z=4 (more than one per 10^6 (Mpc/h)^3 with circular velocities in excess of 450 km/s, and more than one per 10^4.5 (Mpc/h)^3 with circular velocities in excess of 350 km/s). Finally, adding baryonic mass and using a simple model for halo adiabatic contraction, we find remarkable agreement with the velocity dispersion functions inferred observationally by Bezanson et al. (2011) up to z ~ 1 and down to about 220 km/s.
description: 6 pages, 5 figures. Resubmitted to ApJ Letters after first referee report