cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Mantle rock exposures at oceanic core complexes along mid-ocean ridges
Creators: name: Ciazela, Jakub
name: Koepke, Jürgen
name: Dick, Henry J.B.
name: Muszynski, Andrzej
Publisher: name: Berlin, Boston : De Gruyter
Year: 2015
Subjects: subject: peridotite
subject: OCC
subject: detachment fault
subject: megamullion
subject: slow-spreading ridge
subject: Dewey Decimal Classification::500 | Naturwissenschaften::550 | Geowissenschaften

description: The mantle is the most voluminous part of the Earth. However, mantle petrologists usually have to rely on indirect geophysical methods or on material found ex situ. In this review paper, we point out the in-situ existence of oceanic core complexes (OCCs), which provide large exposures of mantle and lower crustal rocks on the seafloor on detachment fault footwalls at slow-spreading ridges. OCCs are a common structure in oceanic crust architecture of slow-spreading ridges. At least 172 OCCs have been identified so far and we can expect to discover hundreds of new OCCs as more detailed mapping takes place. Thirty-two of the thirty-nine OCCs that have been sampled to date contain peridotites. Moreover, peridotites dominate in the plutonic footwall of 77% of OCCs. Massive OCC peridotites come from the very top of the melting column beneath ocean ridges. They are typically spinel harzburgites and show 11.3–18.3% partial melting, generally representing a maximum degree of melting along a segment. Another key feature is the lower frequency of plagioclase-bearing peridotites in the mantle rocks and the lower abundance of plagioclase in the plagioclase-bearing peridotites in comparison to transform peridotites. The presence of plagioclase is usually linked to impregnation with late-stage melt. Based on the above, OCC peridotites away from segment ends and transforms can be treated as a new class of abyssal peridotites that differ from transform peridotites by a higher degree of partial melting and lower interaction with subsequent transient melt.
Quasinormal ringing of Kerr black holes. II. Excitation by particles falling radially with arbitrary energy
Creators: name: Zhang, Zhongyang
name: Berti, Emanuele
name: Cardoso, Vitor
Publisher: name: arXiv
Year: 2013
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The analytical understanding of quasinormal mode ringing requires an accurate knowledge of the Green's function describing the response of the black hole to external perturbations. We carry out a comprehensive study of quasinormal mode excitation for Kerr black holes. Relying on the formalism developed by Mano, Suzuki and Takasugi, we improve and extend previous calculations of the quasinormal mode residues in the complex frequency plane ("excitation factors" B_q). Using these results we compute the "excitation coefficients" C_q (essentially the mode amplitudes) in the special case where the source of the perturbations is a particle falling into the black hole along the symmetry axis. We compare this calculation with numerical integrations of the perturbation equations, and we show quantitatively how the addition of higher overtones improves the agreement with the numerical waveforms. Our results should find applications in models of the ringdown stage and in the construction of semianalytical template banks for gravitational-wave detectors, especially for binaries with large mass ratios and/or fast-spinning black holes.
description: 15 pages, 3 figures, 4 tables. Catalogs of quasinormal mode excitation factors B_q can be downloaded at http://www.phy.olemiss.edu/~berti/qnms.html and http://gamow.ist.utl.pt/~vitor/?page=ringdown
Optimization of protein samples for NMR using thermal shift assays
Creators: name: Kozak, Sandra
name: Lercher, Lukas
name: Karanth, Megha N.
name: Meijers, Rob
name: Carlomagno, Teresa
name: Boivin, Stephane
Publisher: name: Dordrecht : Springer Netherlands
Year: 2016
Subjects: subject: Differential scanning fluorimetry
subject: Nuclear magnetic resonance
subject: Protein thermal stability
subject: Sample optimization
subject: Thermal shift assay
subject: ThermoFluor
subject: Dewey Decimal Classification::500 | Naturwissenschaften::570 | Biowissenschaften, Biologie

description: Maintaining a stable fold for recombinant proteins is challenging, especially when working with highly purified and concentrated samples at temperatures >20 °C. Therefore, it is worthwhile to screen for different buffer components that can stabilize protein samples. Thermal shift assays or ThermoFluor® provide a high-throughput screening method to assess the thermal stability of a sample under several conditions simultaneously. Here, we describe a thermal shift assay that is designed to optimize conditions for nuclear magnetic resonance studies, which typically require stable samples at high concentration and ambient (or higher) temperature. We demonstrate that for two challenging proteins, the multicomponent screen helped to identify ingredients that increased protein stability, leading to clear improvements in the quality of the spectra. Thermal shift assays provide an economic and time-efficient method to find optimal conditions for NMR structural studies. © 2016, The Author(s).
title: Arbeitszeiten von Männern und Frauen - alles wie gehabt?
title: Analysen zur Erwerbsbeteiligung in Ost- und Westdeutschland
titleType: AlternativeTitle
Creators: name: Kümmerling, Angelika
name: Postels, Dominik
name: Üyük, Christine
Publisher: name: DuEPublico: Duisburg-Essen Publications Online, University of Duisburg-Essen, Germany
Year: 2018

description: Auf den Punkt ...
In beiden Teilen Deutschlands ist die Erwerbsquote von Frauen in den letzten Jahren deutlich gestiegen, wobei der Anstieg in Westdeutschland stärker war als in Ostdeutschland. Allerdings hat die Kluft zwischen den Geschlechtern (gemessen in Vollzeitäquivalenten) – trotz der zunehmenden Integration von Frauen in den Arbeitsmarkt – nicht abgenommen.
Die tatsächlichen Arbeitszeiten sind in beiden Teilen Deutschlands rückläufig. Die Unterschiede in den Arbeitszeiten von Männern und Frauen bleiben im Zeitverlauf jedoch weiterhin stabil: In Ostdeutschland beträgt der Unterschied zwischen den Geschlechtern 5,9 Stunden, in Westdeutschland arbeiten Frauen im Durchschnitt sogar 10,6 Stunden weniger als Männer.
Zwar bestehen Unterschiede im Erwerbsverhalten von west- und ostdeutschen Frauen fort, doch nähern sich die Arbeitszeiten langsam an. Grund hierfür ist, dass die Teilzeitarbeit in Ostdeutschland in den letzten Jahren stärker angestiegen ist als im Westen Deutschlands.
Lebensphase und Familienstand sind in Westdeutschland die stärksten Determinanten der weiblichen Arbeitszeit. In Ostdeutschland spielen betriebliche Faktoren und die individuelle Qualifikation eine größere Rolle für die Erklärung der Arbeitszeiten.
title: НЕКОТОРЫЕ РЕЗУЛЬТАТЫ ПРОМЫШЛЕННОГО СКРЕЩИВАНИЯ ПОЛУТОНКОРУННЫХ ОВЕЦ. СБОРНИК НАУЧНЫХ ТРУДОВ КНЦЗВ. - 2018. - Т. 7. - № 2
Creators: name: Абонеев, Василий
name: Ульянов, Алексей
name: Цапкина, Наталья
name: Абонеев, Дмитрий
Publisher: name: ФГБНУ КНЦЗВ
Year: 2018

description: изучены результаты промышленного скрещивания овцематок русской длинношерстной породы с барана-ми-производителями породы линкольн (кубанский заводской тип).
title: Acesso Aberto
title: conhecimento e práticas na NOVA FCSH
titleType: Subtitle
title: Síntese de análise ao inquérito por questionário
Creators: name: Marques, Cátia Teles
name: Barros, Catarina Oliveira
name: Camacho, Mariana
name: Contreiras, Patrícia
Publisher: name: Faculdade de Ciências Sociais e Humanas, Universidade NOVA de Lisboa
Year: 2021

description: Síntese de análise ao inquérito por questionário: Acesso Aberto: Conhecimento e Práticas na NOVA FCSH, desenvolvido pelo Grupo de Trabalho para a Ciência Aberta da Faculdade
description: Marques, C. T. E., Barros, C. O., Camacho, M. B., Contreiras, P. (2021). Acesso Aberto: conhecimento e práticas na NOVA FCSH. Síntese de análise ao inquérito por questionário. Faculdade de Ciências Sociais e Humanas, Universidade Nova de Lisboa
title: МНОГОПЛОДИЕ И ТИП РОЖДЕНИЯ ПОТОМСТВА У МЕРИНОСОВЫХ И РОМАНОВСКИХ ОВЕЦ И ИХ ПОМЕСЕЙ ОТ ВОСПРОИЗВОДИТЕЛЬНОГО СКРЕЩИВАНИЯ. СБОРНИК НАУЧНЫХ ТРУДОВ КНЦЗВ. - 2018. - Т. 7. - № 2
Creators: name: Кравченко, Николай
Publisher: name: ФГБНУ КНЦЗВ
Year: 2018

description: рассмотрены многоплодие овцематок и рас-пределение по типам рождения потомства от различных вари-антов подбора родительских пар с использованием полукровных помесей от романовской породы с мериносами кавказской поро-ды при их воспроизводительном скрещивании в сравнении с чи-стопородными овцами исходной породы с целью создания ново-го генотипа многоплодных овец.
title: The entry of perchlorate into the food chain should be reduced: Updated BfR Opinion No 006/2018 of 15 February 2018
Creators: name: Bundesinstitut Für Risikobewertung
Publisher: name: Bundesbehörden und Einrichtungen im Geschäftsbereich des Bundesministeriums für Ernährung und Landwirtschaft (BMEL)
Year: 2018
Subjects: subject: 000

description: BfR-Stellungnahmen, vol. 2018, no. 006
Maximization of markers linked in coupling for tetraploid potatoes via monoparental haploids
Creators: name: Bartkiewicz, Annette M.
name: Chilla, Friederike
name: Terefe-Ayana, Diro
name: Lübeck, Jens
name: Strahwald, Josef
name: Tacke, Eckhard
name: Hofferbert, Hans-Reinhard
name: Linde, Marcus
name: Debener, Thomas
Publisher: name: Lausanne : Frontiers Media S.A.
Year: 2018
Subjects: subject: Dihaploid
subject: Linkage
subject: Mapping
subject: QTL
subject: SNPs
subject: Solanum phureja
subject: Tuber
subject: Dewey Decimal Classification::500 | Naturwissenschaften::570 | Biowissenschaften, Biologie
subject: Dewey Decimal Classification::500 | Naturwissenschaften::580 | Pflanzen (Botanik)

description: Haploid potato populations derived from a single tetraploid donor constitute an efficient strategy to analyze markers segregating from a single donor genotype. Analysis of marker segregation in populations derived from crosses between polysomic tetraploids is complicated by a maximum of eight segregating alleles, multiple dosages of the markers and problems related to linkage analysis of marker segregation in repulsion. Here, we present data on two monoparental haploid populations generated by prickle pollination of two tetraploid cultivars with Solanum phureja and genotyped with the 12.8k SolCAP single nucleotide polymorphism(SNP) array. We showthat in a population of monoparental haploids, the number of biallelic SNP markers segregating in linkage to loci from the tetraploid donor genotype is much larger than in putative crosses of this genotype to a diverse selection of 125 tetraploid cultivars. Although this strategy is more laborious than conventional breeding, the generation of haploid progeny for efficient marker analysis is straightforward if morphological markers and flow cytometry are utilized to select true haploid progeny. The level of introgressed fragments from S. phureja, the haploid inducer, is very low, supporting its suitability for genetic analysis. Mapping with single-dose markers allowed the analysis of quantitative trait loci (QTL) for four phenotypic traits. © 2018 Bartkiewicz, Chilla, Terefe-Ayana, Lübeck, Strahwald, Tacke, Hofferbert, Linde and Debener.
How conformational changes can affect catalysis, inhibition and drug resistance of enzymes with induced-fit binding mechanism such as the HIV-1 protease
Creators: name: Weikl, Thomas R.
name: Hemmateenejad, Bahram
Publisher: name: arXiv
Year: 2013
Subjects: subject: Biomolecules (q-bio.BM)
subject: FOS: Biological sciences

description: A central question is how the conformational changes of proteins affect their function and the inhibition of this function by drug molecules. Many enzymes change from an open to a closed conformation upon binding of substrate or inhibitor molecules. These conformational changes have been suggested to follow an induced-fit mechanism in which the molecules first bind in the open conformation in those cases where binding in the closed conformation appears to be sterically obstructed such as for the HIV-1 protease. In this article, we present a general model for the catalysis and inhibition of enzymes with induced-fit binding mechanism. We derive general expressions that specify how the overall catalytic rate of the enzymes depends on the rates for binding, for the conformational changes, and for the chemical reaction. Based on these expressions, we analyze the effect of mutations that mainly shift the conformational equilibrium on catalysis and inhibition. If the overall catalytic rate is limited by product unbinding, we find that mutations that destabilize the closed conformation relative to the open conformation increase the catalytic rate in the presence of inhibitors by a factor exp(ddG/RT) where ddG is the mutation-induced shift of the free-energy difference between the conformations. This increase in the catalytic rate due to changes in the conformational equilibrium is independent of the inhibitor molecule and, thus, may help to understand how non-active-site mutations can contribute to the multi-drug-resistance that has been observed for the HIV-1 protease. A comparison to experimental data for the non-active-site mutation L90M of the HIV-1 protease indicates that the mutation slightly destabilizes the closed conformation of the enzyme.
description: 9 pages, 2 figures, 3 tables; to appear in "BBA Proteins and Proteomics" as part of a special issue with the title "The emerging dynamic view of proteins: Protein plasticity in allostery, evolution and self-assembly."
title: ВОЗРАСТНЫЕ ОСОБЕННОСТИ ВЕСОВОГО РОСТА ПОТОМСТВА ВТОРОГО ПОКОЛЕНИЯ ОТ ВОСПРОИЗВОДИТЕЛЬНОГО СКРЕЩИВАНИЯ РОМАНОВСКАЯ Х КАВКАЗСКИХ ПОМЕСЕЙ. СБОРНИК НАУЧНЫХ ТРУДОВ КНЦЗВ. - 2018. - Т. 7. - № 1
Creators: name: Кравченко, Николай
Publisher: name: ФГБНУ КНЦЗВ
Year: 2018

description: рассмотрены живая масса и интенсивность роста потомства второго поколения полукровных помесей от прямого и реципрокного вариантов подбора романовской породы с мериносами кавказской породы при их воспроизводительном скрещивании третьей повторности в сравнении с чистопородными овцами исходной породы с целью создания нового генотипа многоплодных овец.
Heterologous Production of Fungal Maleidrides Reveals the Cryptic Cyclization Involved in their Biosynthesis
Creators: name: Williams, Katherine
name: Szwalbe, Agnieszka J.
name: Mulholland, Nicholas P.
name: Vincent, Jason L.
name: Bailey, Andrew M.
name: Willis, Christine L.
name: Simpson, Thomas J.
name: Cox, Russell J.
Publisher: name: Weinheim : Wiley-VCH Verlag
Year: 2016
Subjects: subject: biosynthesis
subject: cyclization
subject: enzymes
subject: maleidride
subject: polyketides
subject: Bins
subject: Biochemistry
subject: Biosynthesis
subject: Enzymes
subject: Fungi
subject: Gene expression
subject: Ketones
subject: Metabolites
subject: Proteins
subject: Gene disruptions
subject: Heterologous expression
subject: Heterologous production
subject: Phosphatidylethanolamine
subject: Polyketide synthases
subject: Polyketides
subject: Secondary metabolites
subject: Cyclization
subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie

description: Fungal maleidrides are an important family of bioactive secondary metabolites that consist of 7, 8, or 9-membered carbocycles with one or two fused maleic anhydride moieties. The biosynthesis of byssochlamic acid (a nonadride) and agnestadride A (a heptadride) was investigated through gene disruption and heterologous expression experiments. The results reveal that the precursors for cyclization are formed by an iterative highly reducing fungal polyketide synthase supported by a hydrolase, together with two citrate-processing enzymes. The enigmatic ring formation is catalyzed by two proteins with homology to ketosteroid isomerases, and assisted by two proteins with homology to phosphatidylethanolamine-binding proteins. Ring cycle: The enzymes involved in the cyclization of the maleidride family of bioactive fungal natural products, including agnestadride A and byssochlamic acid, were identified. These previously unknown proteins show homology to ketosteroid isomerases (KI-like) and phosphatidylethanolamine-binding proteins (PEBP-like).
Dynamical correlations in a glass-former with randomly pinned particles
Creators: name: Jack, Robert L.
name: Fullerton, Christopher J.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: The effects of randomly pinning particles in a model glass-forming fluid are studied, with a focus on the dynamically heterogeneous relaxation in the presence of pinning. We show how four-point dynamical correlations can be analysed in real space, allowing direct extraction of a length scale that characterises dynamical heterogeneity. In the presence of pinning, the relaxation time of the glassy system increases by up to two decades, but there is almost no increase in either the four-point correlation length or the strength of the four-point correlations. We discuss the implications of these results for theories of the glass transition.
description: 8 pages, 7 figs
title: The entry of chlorate into the food chain should be reduced: Updated BfR Opinion No 007/2018 of 15 February 2018
Creators: name: Bundesinstitut Für Risikobewertung
Publisher: name: Bundesbehörden und Einrichtungen im Geschäftsbereich des Bundesministeriums für Ernährung und Landwirtschaft (BMEL)
Year: 2018
Subjects: subject: 000

description: BfR-Stellungnahmen, vol. 2018, no. 007
Dissection of TALE-dependent gene activation reveals that they induce transcription cooperatively and in both orientations
Creators: name: Streubel, Jana
name: Baum, Heidi
name: Grau, Jan
name: Stuttman, Johannes
name: Boch, Jens
Publisher: name: San Francisco, CA : Public Library of Science
Year: 2017
Subjects: subject: Dewey Decimal Classification::500 | Naturwissenschaften::570 | Biowissenschaften, Biologie
subject: Dewey Decimal Classification::500 | Naturwissenschaften::580 | Pflanzen (Botanik)

description: Plant-pathogenic Xanthomonas bacteria inject transcription activator-like effector proteins (TALEs) into host cells to specifically induce transcription of plant genes and enhance susceptibility. Although the DNA-binding mode is well-understood it is still ambiguous how TALEs initiate transcription and whether additional promoter elements are needed to support this. To systematically dissect prerequisites for transcriptional initiation the activity of one TALE was compared on different synthetic Bs4 promoter fragments. In addition, a large collection of artificial TALEs spanning the OsSWEET14 promoter was compared. We show that the presence of a TALE alone is not sufficient to initiate transcription suggesting the requirement of additional supporting promoter elements. At the OsSWEET14 promoter TALEs can initiate transcription from various positions, in a synergistic manner of multiple TALEs binding in parallel to the promoter, and even by binding in reverse orientation. TALEs are known to shift the transcriptional start site, but our data show that this shift depends on the individual position of a TALE within a promoter context. Our results implicate that TALEs function like classical enhancer-binding proteins and initiate transcription in both orientations which has consequences for in planta target gene prediction and design of artificial activators.
Erfassung und Bewertung von Substanzmerkmalen von Fahrbahnoberflächen mittels digitaler Bildverarbeitung und neuronaler Netze
Creators: name: Geissler, David
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2008
Subjects: subject: Digitale Bildbearbeitung
subject: digitale Bildverarbeitung
subject: digitale Filter
subject: Segmentierung
subject: neuronale Netze
subject: Mustererkennung
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau

description: [no abstract]
SI: Bottom-Up Indicators for Sustainability Monitoring of Unit Manufacturing Processes
Creators: name: Ramanujan, Devarajan
name: Glisic, Marija
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 401408
subject: Manufacturing processes and technologies (excl. textiles)
classificationCode: 401102
subject: Environmentally sustainable engineering

description: Abstract: With growing environmental concerns and regulatory requirements, manufacturers are increasingly required to monitor and reduce the environmental impacts of their production processes. Despite increasing digitalization and data-collection capabilities, manufacturers are challenged in collecting the right data, and framing process improvement targets. To address this challenge, this paper presents a bottom-up methodology, based on life cycle assessment for identifying performance indicators with the goal of monitoring and reducing the overall environmental impacts of a manufacturing process. More specifically, process performance indicators are defined as a set of controllable process parameters, and their suitability for sustainability monitoring is evaluated based on their sensitivity, measurability, actionability, reliability, timeliness, and human-centricity with respect to a chosen environmental impact category. The bottom-up formulation of process performance indicators is demonstrated through a real-world case study on an infeed centerless grinding process in a large manufacturing company. Results from the case study show that the process performance indicators with regards to climate change impacts, included (i) reduction in grinding time, (ii) reduction in total grinding power, (iii) reduction in sparkout time, and (iv) increase in batch size.Cite as: Glisic M., Veluri B., and Ramanujan D. (2023). Bottom-Up Indicators for Sustainability Monitoring of Unit Manufacturing Processes, Sustainability (Under review)
Statistical and polarization properties of giant pulses of the millisecond pulsar B1937+21
Creators: name: Zhuravlev, V. I.
name: Popov, M. V.
name: Soglasnov, V. A.
name: Kondrat'ev, V. I.
name: Kovalev, Y. Y.
name: Bartel, N.
name: Ghigo, F.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We have studied the statistical and polarization properties of giant pulses (GPs) emitted by the millisecond pulsar B1937+21, with high sensitivity and time resolution. The observations were made in June 2005 with the 100-m Robert C. Byrd Green Bank Telescope at S-band (2052-2116 MHz) using the Mk5A VLBI recording system, with formal time resolution of 16 ns. The total observing time was about 4.5 hours; the rate of detection of GPs was about 130 per hour at the average longitudes of the main pulse (MPGPs) and 60 per hour at the interpulse (IPGPs). While the average profile shows well-defined polarization behavior, with regular evolution of the linear polarization position angle (PA), GPs exhibit random properties, occasionally having high linear or circular polarization. Neither MPGPs nor IPGPs show a preferred PA. The cumulative probability distribution (CPD) of GP pulse energy was constructed down to the level where GPs merge with regular pulses and noise. For both MPGPs and IPGPs, the CPD follows a power law with a break, the power index changing from -2.4 at high energy to -1.6 for low energy. Pulse smearing due to scattering masks the intrinsic shape and duration of the detected GPs. The smearing time varied during the observing session within a range of a few hundred nanoseconds. The measured polarization and statistical properties of GPs impose strong constraints on physical models of GPs. Some of these properties support a model in which GPs are generated by the electric discharge caused by magnetic reconnection of field lines connecting the opposite magnetic poles of a neutron star.
description: 8 pages, 8 figures, 2 tables, accepted to MNRAS
Verbascum blattaria L.
Creators: name: Becherer
Publisher: name: Zenodo
Year: 1956
Subjects: Biodiversity
Taxonomy

description: V. Blattaria L. Cat. L und267. Adventiv. Keine Angaben aus neuerer Zeit.
description: Published as part of Becherer, 1956, Florae Vallesiacae Supplementum, pp. 1-556 in Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71 on pages 1-556
Planung flexibler Produktionskapazitäten im Spannungsfeld logistischer und monetärer Ziele
Creators: name: Grundmann, Sven
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2008
Subjects: subject: PPS
subject: Kapazitätsplanung
subject: Flexibilität
subject: Kapazitätskosten
subject: Dewey Decimal Classification::600 | Technik::650 | Management

description: [no abstract]
Lernpotenziale Scrum-basierter Projekte als agilitätsorientierte Lernform in der betrieblichen Ausbildung
Creators: name: Röhrig, Laura Kristina
Publisher: name: Hannover : Institutionelles Repositorium der Leibniz Universität Hannover
Year: 2021
Subjects: subject: Ausbildung
subject: Agilität
subject: Lernform
subject: Dewey Decimal Classification::300 | Sozialwissenschaften, Soziologie, Anthropologie::370 | Erziehung, Schul- und Bildungswesen

description: Der Wandel der Arbeitsformen sowie zunehmend verbreitete Managementkonzepte wie Agilität verändern die Anforderungen an Mitarbeiter und somit auch die Anforderungen an Auszubildende. In der betrieblichen Aus- und Weiterbildung wird dieser Wandel durch neue Lerninhalte und methodische Ansätze aufgegriffen. Im Bereich der Berufs- und Wirtschaftspädagogik fehlt bislang eine kritische Auseinandersetzung mit der Frage, inwiefern Agilität die Lernprozesse in der betrieblichen Bildung tatsächlich um neue theoretische Aspekte und Lernpoteziale bereichern kann. In dieser Arbeit werden die Sinnhaftigkeit, die Ausgestaltung und die Auswirkungen dieser konzeptionellen Übertragung analysiert und kritisch reflektiert. Es wird untersucht, ob und inwiefern agile Arbeitsformen auch Lernpo-tenziale bieten und welche Gestaltungsprinzipien für deren Anwendung in der betrieblichen Ausbildung gelten können. Die vorliegende Arbeit leistet einen Beitrag hierzu über eine theoretische Analyse sowie eine empirische Untersuchung der Lernpotenziale und Gestaltungsmerkmale einer agilitätsorientierten Lernform in einem betrieblichen Ausbildungssetting.
Spintronic Switches for Ultra Low Energy On-Chip and Inter-Chip Current-Mode Interconnects
Creators: name: Sharad, Mrigank
name: Roy, Kaushik
Publisher: name: arXiv
Year: 2013
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Emerging Technologies (cs.ET)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Energy-efficiency and design-complexity of high-speed on-chip and inter-chip data-interconnects has emerged as the major bottleneck for high-performance computing-systems. As a solution, we propose an ultra-low energy interconnect design-scheme using nano-scale spintorque switches. In the proposed method, data is transmitted in the form of current-pulses, with amplitude of the order of few micro-amperes that flows across a small terminal-voltage of less than 50mV. Sub-nanosecond spintorque switching of scaled nano-magnets can be used to receive and convert such high-speed current-mode signal into binary voltage-levels using magnetic-tunnel-junction (MTJ), with the help of simple CMOS inverter. As a result of low-voltage, low-current signaling and minimal signal-conversion overhead, the proposed technique can facilitate highly compact and simplified designs for multi-gigahertz inter-chip and on-chip data-communication links. Such links can achieve more than ~100x higher energy-efficiency, as compared to state of the art CMOS interconnects.
Einstein-Cartan gravity, Asymptotic Safety, and the running Immirzi parameter
Creators: name: Daum, Jan-Eric
name: Reuter, Martin
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In this paper we analyze the functional renormalization group flow of quantum gravity on the Einstein-Cartan theory space. The latter consists of all action functionals depending on the spin connection and the vielbein field (co-frame) which are invariant under both spacetime diffeomorphisms and local frame rotations. In the first part of the paper we develop a general methodology and corresponding calculational tools which can be used to analyze the flow equation for the pertinent effective average action for any truncation of this theory space. In the second part we apply it to a specific three-dimensional truncated theory space which is parametrized by Newton's constant, the cosmological constant, and the Immirzi parameter. A comprehensive analysis of their scale dependences is performed, and the possibility of defining an asymptotically safe theory on this hitherto unexplored theory space is investigated. In principle Asymptotic Safety of metric gravity (at least at the level of the effective average action) is neither necessary nor sufficient for Asymptotic Safety on the Einstein-Cartan theory space which might accommodate different "universality classes" of microscopic quantum gravity theories. Nevertheless, we do find evidence for the existence of at least one non-Gaussian renormalization group fixed point which seems suitable for the Asymptotic Safety construction in a setting where the spin connection and the vielbein are the fundamental field variables.
description: 121 pages, 8 figures
From broken habits to new intentions: how COVID-19 expands our knowledge on post-adoptive use behaviour of digital communication and collaboration
Creators: name: Schoch, Manfred
name: Gimpel, Henner
name: Maier, Andreas
name: Neumeier, Kathrin
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: The COVID-19 pandemic has caused an unprecedented surge in digital communication and collaboration. While a rich body of knowledge exists on IS use, our understanding of changes in post-adoptive use behaviour regarding communication and collaboration is comparatively limited. Existing models assume decreasing growth rates over time and are not designed to capture spikes in use behaviour such as the one observed during the pandemic. In this mixed methods study, we propose a hybrid model of sensemaking and post-adoptive communication and collaboration use that explains changes in use behaviour and outlines the influence of external trigger events. Based on real-world data from MS Teams, we show that individual feature use varies over time, with an increasing growth rate triggered by COVID-19. To understand drivers for the heterogeneous changes, we further conduct qualitative interviews. We find habits were deliberately altered during COVID-19 and replaced with new intentions through sensemaking. We derive propositions that may encourage further research into the subject. Extended knowledge of post-adoptive behaviour and its triggers assists practitioners in adjusting to the new normal or reacting to new situations beyond COVID-19.
Sensorbasierte 3D-Modellierung zur morphologischen Phänotypisierung am Beispiel von Mais
Creators: name: Klose, Ralph
Publisher: name: Hannover : Institutionelles Repositorium der Leibniz Universität Hannover
Year: 2021
Subjects: subject: 3D reconstruction
subject: morphological plant phenotyping
subject: 3D
subject: Time-of-Flight-Kamera
subject: 3D-Rekonstruktion
subject: Automatische morphologische Phänotypisierung
subject: Dewey Decimal Classification::500 | Naturwissenschaften::570 | Biowissenschaften, Biologie

description: Phänotypisierung ist eine Schlüsseltechnologie für das Feldversuchswesen in der Pflanzenzucht. Mit den gewonnenen Informationen über den Phänotyp der Pflanzen lassen sich neue Strategien für die Züchtung ableiten, um so die Qualität der Pflanzen und den Ertrag zu optimieren. Wichtige Bestandteile des Phänotyps sind hierbei die morphologischen Eigenschaften der Pflanze. Bislang werden die Analysen des morphologischen Phänotyps im Feldversuchswesen weitgehend mit manuellen Methoden durchgeführt, in denen Experten die Pflanzen stichprobenartig bewerten. Im Rahmen dieser Arbeit wurden zwei Methoden zur automatischen, morphologischen Phänotypisierung von Maispflanzen entwickelt, die eine objektive Beurteilung von Einzelpflanzen ermöglichen. Die Datenbasis für diese Methoden lieferten Time-of-Flight-Kameras, die zunächst auf ihre Tauglichkeit für die Phänotypisierung unter Feldbedingungen untersucht wurden. In der ersten Methode wurde ein Top-View-Ansatz verfolgt. Mit diesem wurde das Tiefenbild der Einzelpflanze mit Hilfe von Skelettierungsalgorithmen analysiert. Als Ergebnis konnten mit dieser Methode die Pflanzenhöhe und die Blattanzahl der Pflanze bestimmt werden. Im zweiten Ansatz wurden mindestens vier Kameras im Abstand von 90° um die Pflanze positioniert und mit Hilfe eines Multi-View-Konzeptes die entstandenen Punktwolken der Pflanze in ein dreidimensionales Pflanzenmodell überführt. Hierfür wurden 3D-Rekonstruktionsalgorithmen angewandt und die entstandene 3D-Punktwolke vernetzt. Im Anschluss wurde das Pflanzenmodell mit den in dieser Arbeit entwickelten Algorithmen geometrisch analysiert. Neben Pflanzenhöhe und Blattanzahl konnten mit dieser Methode auch Blattlänge und Blattfläche ermittelt werden. Im Vergleich zu den manuellen Methoden zur Phänotypisierung von Pflanzen bieten die im Rahmen dieser Arbeit entwickelten Methoden die Möglichkeit einer dynamischen, morphologischen Untersuchung von Maispflanzen unter Labor- und Gewächshausbedingungen im BBCH Makrostadium 1 mit einer gemeinsamen Datenbasis.
Dynamics of the Tippe Top -- properties of numerical solutions versus the dynamical equations
Creators: name: Rauch-Wojciechowski, Stefan
name: Rutstam, Nils
Publisher: name: arXiv
Year: 2013
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 70F40, 74M10, 70E18, 70E40, 37B25

description: We study the relationship between numerical solutions for inverting Tippe Top and the structure of the dynamical equations. The numerical solutions confirm oscillatory behaviour of the inclination angle $θ(t)$ for the symmetry axis of the Tippe Top. They also reveal further fine features of the dynamics of inverting solutions defining the time of inversion. These features are partially understood on the basis of the underlying dynamical equations.
Verbascum thapsus L.
Creators: name: Becherer
Publisher: name: Zenodo
Year: 1956
Subjects: Biodiversity
Taxonomy

description: V. Thapsus L. Cat. 268. Bis2100m. l: Revereulaz (J.); Haut d'Arbignon, 1670 m (Gams). - 2:Naters (Christ). - 3:Valsorey, 1750 m (Guyot); Nendaz (J.); Rechy (Wurgler); ob Zinal, 1800und2100m (Marietan); Tamatten im Saastal (A. Keller). - 3a: Gondo (Becherer).
description: Published as part of Becherer, 1956, Florae Vallesiacae Supplementum, pp. 1-556 in Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71 on pages 1-556
Balancing information privacy and operational utility in healthcare: proposing a privacy impact assessment (PIA) framework
Creators: name: Parks, Rachida F
name: Wigand, Rolf T
name: Lowry, Paul Benjamin
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Space Science
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: One needs to look only at recent data breaches to be reminded of the severe and far-reaching damage caused by privacy threats. In light of these threats, global healthcare leaders are striving to understand how to protect patient information without the loss of benefits (utility) that results from privacy-preserving mechanisms. Consequently, our study examines the relatively unexplored issue of simultaneously responding to information privacy threats and maintaining utility in a healthcare privacy compliance context. Counterintuitively, we also identify a symbiotic relationship between these two focal and interdependent efforts. We adopt an interpretive qualitative research method leveraging the value-focused thinking (VFT) approach which results in two major contributions: (1) the development of a value-driven framework presented as a means-end objective network providing a list of 16 means objectives and seven key fundamental objectives enabling higher-quality privacy decision making vis-à-vis privacy and utility. Our second and central contribution (2) is a theoretical framework of privacy impact assessment (PIA) emphasising the interplay and balance between making appropriate decisions in responding to information privacy while not hindering healthcare operations. This work provides the foundation for proposing four compelling propositions for future healthcare privacy research.
Ein eisenzeitlicher Siedlungsplatz in Bönen mit einer der ältesten Einholmleitern Europas
Creators: name: Cichy, Eva
name: Reuther, Norbert
name: Schletter, Hans-Peter
name: Senczek, Sebastian
Publisher: name: Archäologie in Westfalen-Lippe
Year: 2016

description: -
description: Archäologie in Westfalen-Lippe, ARCHÄOLOGIE IN WESTFALEN-LIPPE 2012 (2013)
Greening Geographical Load Balancing
Creators: name: Liu, Zhenhua
Publisher: name: California Institute of Technology
Year: 2011
Subjects: renewable
energy consumption
geographical load balancing
Computer Science
demand response
data centers

description: Energy expenditure has become a significant fraction of data center operating costs. Recently, "geographical load balancing" has been suggested to reduce energy cost by exploiting the electricity price differences across regions. However, this reduction of cost can paradoxically increase total energy use. This work explores whether the geographical diversity of internet-scale systems can additionally be used to provide environmental gains.

We first focus on geographical load balancing, which is modeled as a convex optimization problem. We derive two distributed algorithms for achieving optimal geographical load balancing and characterize the optimal solutions.

Then we continue to use the framework and algorithms to investigate whether geographical load balancing can encourage use of "green" renewable energy and reduce use of "brown" fossil fuel energy. Here we consider two approaches, namely, dynamic pricing and local renewables.

For the dynamic pricing case, our numeric results show that if electricity is dynamically priced in proportion to the instantaneous fraction of the total energy that is brown, then geographical load balancing provides significant reductions in brown energy use. However, the benefits depend strongly on the degree to which systems accept dynamic energy pricing and the form of pricing used.

For the local renewable case, we perform a trace-based study to evaluate three issues related to achieving this goal: the impact of geographical load balancing, the role of storage, and the optimal mix of
renewables. Our results highlight that geographical load balancing can significantly reduce the required capacity of renewable energy by using the energy more efficiently with "follow the renewables" routing. Further, our results show that small-scale storage can be useful, especially in combination with geographical load balancing, and that an optimal mix of renewables includes significantly more wind than photovoltaic solar.
Funktionsanalyse menschlicher Myosin-Motordomänen
Creators: name: Heißler, Sarah Maria
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2010
Subjects: subject: Kinetics
subject: effectors
subject: Myosin
subject: Kinetik
subject: Effektor
subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie

description: [no abstract]
title: Fenomen egzystencjalnych wymiarów myślenia utopijnego
Creators: name: Gara, Jarosław
Publisher: name: Instytut Pedagogiki Uniwersytetu Wrocławskiego
Year: 2016

description: Autor podejmuje analizę dwóch typów myślenia utopijnego oraz towarzyszących im idealistycznych heurystyk rozumowania. Pierwszy model myślenia utopijnego można określić mianem absolutyzacji Tego-Samego (tego-co-jest-takie-samo),a drugi absolutyzacji Tego-Innego (tego-co-jest-całkowicie-inne). Metaforyczną egzemplifikacją pierwszego modelu jest topos związany z mitologiczną opowieścią o ziemi ojczystej Odyseusza, a drugiego topos związany z biblijną opowieścią o ziemi obiecanej Abrahama. W każdym z tych modeli mamy do czynienia z wyeksponowaniem egzystencjalnego wymiaru poszukiwania drogi „do”: w pierwszym przypadku doznanego już miejsca (Tego-Samego), a w drugim przypadku do nieznanego jeszcze miejsca (Tego-Innego). Owe figury Tego-Samego i Tego-Innego nie są jednak prostymi antynomiami, ponieważ w Tym-Samym konstytutywnie zawarty jest pierwiastek Tego-Innego, a w Tym-Innym zawarty jest element Tego-Samego. Doświadczenie edukacyjne człowieka rozpatrywane w kategoriach idealistycznej absolutyzacji Tego-Samego i Tego-Innego oraz egzystencjalnej dialektyki ich nierównorzędności jawi się zaś jako rozpostarte pomiędzy nadzieją i potrzebą powrotu do ziemi ojczystej (rzeczywistości Tego-Samego) oraz nadziei i potrzeby wkroczenia do ziemi obiecanej (rzeczywistości Tego-Innego).
Percolation transition in the kinematics of nonlinear resonance broadening in Charney-Hasegawa-Mima model of Rossby wave turbulence
Creators: name: Harris, Jamie
name: Connaughton, Colm
name: Bustamante, Miguel D.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: FOS: Physical sciences

description: We study the kinematics of nonlinear resonance broadening of interacting Rossby waves as modelled by the Charney-Hasegawa-Mima equation on a biperiodic domain. We focus on the set of wave modes which can interact quasi-resonantly at a particular level of resonance broadening and aim to characterise how the structure of this set changes as the level of resonance broadening is varied. The commonly held view that resonance broadening can be thought of as a thickening of the resonant manifold is misleading. We show that in fact the set of modes corresponding to a single quasi-resonant triad has a nontrivial structure and that its area in fact diverges for a finite degree of broadening. We also study the connectivity of the network of modes which is generated when quasi-resonant triads share common modes. This network has been argued to form the backbone for energy transfer in Rossby wave turbulence. We show that this network undergoes a percolation transition when the level of resonance broadening exceeds a critical value. Below this critical value, the largest connected component of the quasi-resonant network contains a negligible fraction of the total number of modes in the system whereas above this critical value a finite fraction of the total number of modes in the system are contained in the largest connected component. We argue that this percolation transition should correspond to the transition to turbulence in the system.
description: 10 pages, 9 figures
Ein eisenzeitliches Gehöft bei Winterberg-Altenfeld
Creators: name: Zeiler, Manuel
name: Cichy, Eva
name: Reuther, Norbert
Publisher: name: Archäologie in Westfalen-Lippe
Year: 2016

description: -
description: Archäologie in Westfalen-Lippe, ARCHÄOLOGIE IN WESTFALEN-LIPPE 2014 (2015)
Isomerisierungsreaktionen von Azobenzolen auf Metallen und dünnen Isolatorschichten
Creators: name: Henzl, Jörg
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2010
Subjects: subject: STM
subject: isomerization
subject: molecular switch
subject: RTM
subject: Isomerisierung
subject: molekularer Schalter
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: [no abstract]
Stellar Populations in Compact Galaxy Groups: a Multi-Wavelength Study of HCGs 16, 22, and 42, their Star Clusters and Dwarf Galaxies
Creators: name: Konstantopoulos, I. S.
name: Maybhate, A.
name: Charlton, J. C.
name: Fedotov, K.
name: Durrell, P. R.
name: Mulchaey, J. S.
name: English, J.
name: Desjardins, T. D.
name: Gallagher, S. C.
name: Walker, L. M.
name: Johnson, K. E.
name: Tzanavaris, P.
name: Gronwall, C.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present a multi-wavelength analysis of three compact galaxy groups, HCGs 16, 22, and 42, which describe a sequence in terms of gas richness, from space- (Swift, HST, Spitzer) and ground-based (LCO, CTIO) imaging and spectroscopy. We study various signs of past interactions including a faint, dusty tidal feature about HCG 16A, which we tentatively age-date at <1 Gyr. This represents the possible detection of a tidal feature at the end of its phase of optical observability. Our HST images also resolve what were thought to be double nuclei in HCG 16C and D into multiple, distinct sources, likely to be star clusters. Beyond our phenomenological treatment, we focus primarily on contrasting the stellar populations across these three groups. The star clusters show a remarkable intermediate-age population in HCG 22, and identify the time at which star formation was quenched in HCG 42. We also search for dwarf galaxies at accordant redshifts. The inclusion of 33 members and 27 'associates' (possible members) radically changes group dynamical masses, which in turn may affect previous evolutionary classifications. The extended membership paints a picture of relative isolation in HCGs 16 and 22, but shows HCG 42 to be part of a larger structure, following a dichotomy expected from recent studies. We conclude that (a) star cluster populations provide an excellent metric of evolutionary state, as they can age-date the past epochs of star formation; and (b) the extended dwarf galaxy population must be considered in assessing the dynamical state of a compact group.
description: 29 pages, 13 figures. Accepted for publication in The Astrophysical Journal
The distance to the young open cluster Westerlund 2
Creators: name: Carraro, Giovanni
name: Turner, David
name: Majaess, D.
name: Baume, Gustavo
Publisher: name: arXiv
Year: 2013
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: A new X-ray, {\it UBVR}$I_c$, and {\it JHK$s$} study of the young cluster Westerlund 2 was undertaken to resolve discrepancies tied to the cluster's distance. Existing spectroscopic observations for bright cluster members and new multi-band photometry imply a reddening relation towards Westerlund~2 described by $E_{U-B}/E_{B-V}=0.63 + 0.02\;E_{B-V}$. Variable-extinction analyses for Westerlund~2 and nearby IC 2581 based upon spectroscopic distance moduli and ZAMS fitting yield values of $R_V=A_V/E_{B-V}=3.88\pm0.18$ and $3.77\pm0.19$, respectively, and confirm prior assertions that anomalous interstellar extinction is widespread throughout Carina (e.g., Turner 2012). The results were confirmed by applying the color difference method to {\it UBVR$I_c$JH$K_s$} data for 19 spectroscopically-observed cluster members, yielding $R_V=3.85\pm0.07$. The derived distance to Westerlund~2 of $d=2.85\pm0.43$ kpc places the cluster on the far side of the Carina spiral arm. The cluster's age is no more than $τ\sim2\times10^6$ yr as inferred from the cluster's brightest stars and an X-ray (Chandra) cleaned analysis of its pre-main-sequence demographic. Four Wolf-Rayet stars in the cluster core and surrounding corona (WR20a, WR20b, WR20c, and WR20aa) are likely cluster members, and their inferred luminosities are consistent with those of other late-WN stars in open clusters. The color-magnitude diagram for Westerlund~2 also displays a gap at spectral type B0.5 V with associated color spread at higher and lower absolute magnitudes that might be linked to close binary mergers. Such features, in conjunction with the evidence for mass loss from the WR stars, may help to explain the high flux of $γ$ rays, cosmic rays, and X-rays from the direction towards Westerlund~2.
description: 9 pages, 10 eps figures, in press in A&A