cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
COSMETOLOGISTS' BODY METRICS: INSIGHTS FROM YENAGOA, BAYELSA STATE, NIGERIA
Creators: name: Olivia, Tamuno Alabo
name: Emmanuel, Keme Ibebiri
Publisher: name: AYDEN JOURNAL
Year: 2024
Subjects: Cosmetology, Anthropometry, Bicarbonate, Formaldehyde, Nitrosamine, Toulene

description: Cosmetologists are generally defined as individuals who work in retail- or home-based salons and provide a wide range of beauty services, including hair shampooing and styling, manicures, pedicures, and scalp and facial treatments. Hairdressing and cosmetology are common occupations, and several million individuals are employed as hairdressers and cosmetologists (HC) worldwide. Hairdressers can be exposed to a variety of chemicals on a daily basis, due to their use of hair products, shampoos, permanent wave solutions, hair dyes, and hair sprays. Reproductive toxic effects have been reported for some of these agents. The study was conducted in Yenagoa Local Government Area (YELGA), Bayelsa State. The State is a cosmopolitan state in the southern part of Nigeria, which is geopolitically located within Latitude 415 North, 523 South, Latitude 522 West and 645 East. It has an area of 706km. Ethical approval was sought from the Ethical Committe ll of Niger Delta University, Wilberforce Island, Bayelsa state, Nigeria. It was carried out with compliance with the principle of Helsinki declaration of 1975 as revised in 2008. Informed consent was obtained from all the recruited volunteers who were made to know the reasons their blood and urine samples were needed for the research. A total number of twenty five (25) Urine and Blood samples were randomly selected from cosmetologist in yenagoa.The most common chemicals mentioned in this study are nitrosamines in hair dye, toluene in nail polish, and formaldehyde in both hair dye and nail polish. This study shows that the health status of cosmetologists residing in yenagoa local government area are not affected by the chemicals they are exposed to, due to the fact that the parameters worked on are unable to pick out certain abnormalities that may determine the overall health status of these subjects. The abnormalities observed from this study may arise from an individual’s overall health status, genetic predisposition, lifestyle  and personal hygiene.
Phase velocity and particle injection in a self-modulated proton-driven plasma wakefield accelerator
Creators: name: Pukhov, A.
name: Kumar, N.
name: Tückmantel, T.
name: Upadhyay, A.
name: Lotov, K.
name: Muggli, P.
name: Khudik, V.
name: Siemon, C.
name: Shvets, G.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Accelerator Physics (physics.acc-ph)
subject: FOS: Physical sciences

description: It is demonstrated that the performance of the self-modulated proton driver plasma wakefield accelerator (SM-PDPWA) is strongly affected by the reduced phase velocity of the plasma wave. Using analytical theory and particle-in-cell simulations, we show that the reduction is largest during the linear stage of self-modulation. As the instability nonlinearly saturates, the phase velocity approaches that of the driver. The deleterious effects of the wake's dynamics on the maximum energy gain of accelerated electrons can be avoided using side-injections of electrons, or by controlling the wake's phase velocity by smooth plasma density gradients.
ЖИНОИЙ ЖАЗОЛАРНИНГ САМАРАДОРЛИГИ, УНИНГ МОҲИЯТИ ВА МАҚСАДИ
Creators: name: Диёров, Бахриддин
Publisher: name: Zenodo
Year: 2025

description: Жиноий жазо — бу жиноят содир этган шахсга давлат томонидан қўлланиладиган жазо чораси. Жиноий жазо жиноят қонунлари асосида белгиланади ва унинг мақсади жиноятларнинг олдини олиш, жамиятда тартибни сақлаш ва жиноятчиларни жавобгарликка тортишдир. Ўзбекистон Республикаси ЖКнинг 43-моддасига кўра, жиноят содир этишда айбли деб топилган шахсларга нисбатан қуйидаги асосий жазолар қўлланилиши мумкин: 1) жарима; 2) муайян ҳуқуқдан маҳрум қилиш; 3) мажбурий жамоат ишлари; 4) ахлоқ тузатиш ишлари; 5) хизмат бўйича чеклаш; 6) озодликни чеклаш; 7) интизомий қисмга жўнатиш; 8) озодликдан маҳрум қилиш; 9) умрбод озодликдан маҳрум қилиш.
Interferometric CO(3-2) Observations toward the Central Region of NGC 1068
Creators: name: Tsai, Mengchun
name: Hwang, Chorng-Yuan
name: Matsushita, Satoki
name: Baker, Andrew J.
name: Espada, Daniel
Publisher: name: arXiv
Year: 2011
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present CO(3-2) interferometric observations of the central region of the Seyfert 2 galaxy NGC 1068 using the Submillimeter Array, together with CO(1-0) data taken with the Owens Valley Radio Observatory Millimeter Array. Both the CO(3-2) and CO(1-0) emission lines are mainly distributed within ~5 arcsec of the nucleus and along the spiral arms, but the intensity distributions show differences; the CO(3-2) map peaks in the nucleus, while the CO(1-0) emission is mainly located along the spiral arms. The CO(3-2)/CO(1-0) ratio is about 3.1 in the nucleus, which is four times as large as the average line ratio in the spiral arms, suggesting that the molecular gas there must be affected by the radiation arising from the AGN. On the other hand, the line ratios in the spiral arms vary over a wide range from 0.24 to 2.34 with a average value around 0.75, which is similar to the line ratios of star-formation regions, indicating that the molecular gas is affected by star formation. Besides, we see a tight correlation between CO(3-2)/(1-0) ratios in the spiral arms and star formation rate surface densities derived from Spitzer 8 μm dust flux densities. We also compare the CO(3-2)/(1-0) ratio and the star formation rate at different positions within the spiral arms; both are found to decrease as the radius from the nucleus increases.
description: 42 pages, 10 figures, accepted by APJ
Thermodynamics of Third Order Lovelock-Born-Infeld Black Holes
Creators: name: Li, Peng
name: Yue, Rui-Hong
name: Zou, De-Cheng
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We here explore black holes in the third order Lovelock gravity coupling with nonlinear Born-Infeld electromagnetic field. Considering special second and third order coefficients ($\hatα_2^2=3\hatα_3=α^2$), we analyze the thermodynamics of third order Lovelock-Born-Infeld black holes and, in 7-dimensional AdS space-time, discuss the stability of black holes in different event horizon structures. We find that the cosmological constant $Λ$ plays an important role in the distribution of stable regions of black holes.
description: 11 pages, 21 figures
High-Performance Concurrency Control Mechanisms for Main-Memory Databases
Creators: name: Larson, Per-Åke
name: Blanas, Spyros
name: Diaconu, Cristian
name: Freedman, Craig
name: Patel, Jignesh M.
name: Zwilling, Mike
Publisher: name: arXiv
Year: 2012
Subjects: subject: Databases (cs.DB)
subject: FOS: Computer and information sciences

description: A database system optimized for in-memory storage can support much higher transaction rates than current systems. However, standard concurrency control methods used today do not scale to the high transaction rates achievable by such systems. In this paper we introduce two efficient concurrency control methods specifically designed for main-memory databases. Both use multiversioning to isolate read-only transactions from updates but differ in how atomicity is ensured: one is optimistic and one is pessimistic. To avoid expensive context switching, transactions never block during normal processing but they may have to wait before commit to ensure correct serialization ordering. We also implemented a main-memory optimized version of single-version locking. Experimental results show that while single-version locking works well when transactions are short and contention is low performance degrades under more demanding conditions. The multiversion schemes have higher overhead but are much less sensitive to hotspots and the presence of long-running transactions.
description: VLDB2012
Limits on the Axial Coupling Constant of New Light Bosons
Creators: name: Piegsa, F.
name: Pignol, G.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We report on a neutron particle physics experiment, which provides for the first time an upper limit on the strength of an axial coupling constant for a new light spin 1 boson in the millimeter range. Such a new boson would mediate a new force between ordinary fermions, like neutrons and protons. The experiment was set up at the cold neutron reflectometer Narziss at the Paul Scherrer Institute and uses Ramsey's technique of separated oscillating fields to search for a pseudomagnetic neutron spin precession induced by this new interaction. For the axial coupling constant $g_A^2$, an upper limit of $6\times10^{-13}$ (95% C.L.) was determined for an interaction range of 1 mm.
Enhancement of shot noise due to the fluctuation of Coulomb interaction
Creators: name: Li, Duo
name: Zhang, Lei
name: Xu, Fuming
name: Wang, Jian
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We have developed a theoretical formalism to investigate the contribution of fluctuation of Coulomb interaction to the shot noise based on Keldysh non-equilibrium Green's function method. We have applied our theory to study the behavior of dc shot noise of atomic junctions using the method of nonequilibrium Green's function combined with the density functional theory (NEGF-DFT). In particular, for atomic carbon wire consisting 4 carbon atoms in contact with two Al(100) electrodes, first principles calculation within NEGF-DFT formalism shows a negative differential resistance (NDR) region in I-V curve at finite bias due to the effective band bottom of the Al lead. We have calculated the shot noise spectrum using the conventional gauge invariant transport theory with Coulomb interaction considered explicitly on the Hartree level along with exchange and correlation effect. Although the Fano factor is enhanced from 0.6 to 0.8 in the NDR region, the expected super-Poissonian behavior in the NDR regionis not observed. When the fluctuation of Coulomb interaction is included in the shot noise, our numerical results show that the Fano factor is greater than one in the NDR region indicating a super-Poissonian behavior.
Dark matter distribution in the merging cluster Abell 2163
Creators: name: Soucail, G.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The cluster Abell 2163 is a merging system of several subclusters with complex dynamics. It presents exceptional X-rays properties (high temperature and luminosity), suggesting that it is a very massive cluster. Recent 2D analysis of the gas distribution has revealed a complex and multiphase structure. This paper presents a wide-field weak lensing study of the dark matter distribution in the cluster in order to provide an alternative vision of the merging status of the cluster. The 2D mass distribution is built and compared to the galaxies and gas distributions. A Bayesian method, implemented in the Im2shape software, was used to fit the shape parameters of the faint background galaxies and to correct for PSF smearing. A careful color selection on the background galaxies was applied to retrieve the weak lensing signal. Shear signal was measured out to more than 2 Mpc (~12' from the center). The radial shear profile was fit with different parametric mass profiles. The 2D mass map is built from the shear distribution and used to identify the different mass components. The 2D mass map agrees with the galaxy distribution, while the total mass inferred from weak lensing shows a strong discrepancy to the X-ray deduced mass. Regardless of the method used, the virial mass M200 falls in the range 8 to 14 10^14 Msol inside the virial radius (~ 2.0 Mpc), a value that is two times less than the mass deduced from X-rays. The central mass clump appears bimodal in the dark matter distribution, with a mass ratio ~3:1 between the two components. The infalling clump A2163-B is detected in weak lensing as an independent entity. All these results are interpreted in the context of a multiple merger seen less than 1Gyr after the main crossover.
description: 10 pages, 10 figures, 1 table; accepted for publication in Astronomy and Astrophysics
Semiclassical Approach to Competing Orders in Two-leg Spin Ladder with Ring-Exchange
Creators: name: Totsuka, K.
name: Lecheminant, P.
name: Capponi, S.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We investigate the competition between different orders in the two-leg spin ladder with a ring-exchange interaction by means of a bosonic approach. The latter is defined in terms of spin-1 hardcore bosons which treat the Néel and vector chirality order parameters on an equal footing. A semiclassical approach of the resulting model describes the phases of the two-leg spin ladder with a ring-exchange. In particular, we derive the low-energy effective actions which govern the physical properties of the rung-singlet and dominant vector chirality phases. As a by-product of our approach, we reveal the mutual induction phenomenon between spin and chirality with, for instance, the emergence of a vector-chirality phase from the application of a magnetic field in bilayer systems coupled by four-spin exchange interactions.
description: 15 pages, 9 figures
Emil Vogt, Geflechte und Gewebe der Steinzeit
Creators: name: Jacob-Friesen, Karl-Hermann
Publisher: name: Nachrichten aus Niedersachsens Urgeschichte
Year: 2019

description: Vogt, Emil. Geflechte und Gewebe der Steinzeit. Band I der Monographien zur Ur- udn Frühgeschichte der Schweiz. 4°. 124 Seiten mit 154 Abbildungen. Verlag E. Birkhäuser & Cie. Basel, 1937.
description: Nachrichten aus Niedersachsens Urgeschichte, Bd. 12 (1938): Nachrichten aus Niedersachsens Urgeschichte
How peculiar was the recent extended minimum - A hint towards double minima
Creators: name: Jain, Kiran
name: Tripathy, S. C.
name: Hill, F.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: In this paper, we address the controversy regarding the recent extended solar minimum as seen in helioseismic low- and intermediate-degree mode frequencies: studies from different instruments identify different epochs of seismic minima. Here we use mode frequencies from a network of six identical instruments, Global Oscillation Network Group, continuously collecting data for more than 15 years, to investigate the epoch of minimum in solar oscillation frequencies prior to the beginning of solar cycle 24. We include both low- and intermediate-degree modes in the $\ell$ range of 0 -- 120 and frequency range of 2.0 -- 3.5 mHz. In this analysis, we demonstrate that there were indeed two minima in oscillation frequencies, depending upon the degree of modes, or more precisely the lower turning point radius of the propagating wave. We also analyze frequencies as a function of latitude to identify the beginning of solar cycle 24. We observe two minima at high latitudes and a single minimum at mid/low latitudes. This scenario is in contrast to cycle 23 where the epoch of seismic minimum did not change with latitude or depth. Our results also hint towards a possible role of the relic magnetic field in modifying the oscillation frequencies of modes sampling deeper layers.
description: 27 pages include 1 table and 8 figures
Spatially resolved luminescence properties of non- and semi-polar InGaN quantum wells on GaN microrods
Creators: name: Dühn, Johannes
name: Tessarek, Christian
name: Schowalter, Marco
name: Coenen, Toon
name: Gerken, B.
name: Müller-Caspari, Knut
name: Mehrtens, Thorsten
name: Heilmann, Martin
name: Christiansen, Silke
name: Rosenauer, Andreas
name: Gutowski, Jürgen
name: Sebald, Kathrin
Publisher: name: IOP Publishing
Year: 2018
Subjects: subject: luminescence properties
subject: non-polar InGaN quantum wells
subject: semi-polar InGaN quantum wells
subject: GaN microrods
subject: Spatially resolved emission properties
subject: 530

description: Spatially resolved emission properties of InGaN/GaN quantum wells on the facets of microrods are analyzed by means of photoluminescence and cathodoluminescence measurements. We observe strongly localized emissions of the non- and semi-polar InGaN quantum wells from the top part of the microrods, suggesting optical emitters of high efficiency. The quantum wells are characterized by transmission electron microscopy measurements with respect to their indium composition and thickness. Those wells oriented in non- and semi-polar directions possess high In concentrations as well as low internal polarization fields which makes these directions excellent candidates for InGaN quantum well emitters. These investigations show that the applied microrod growth concept is an effective method to realize high quality InGaN quantum wells on GaN facets oriented in non- and semi-polar directions which makes optoelectronic emitters in the green gap region feasible.
Arctic PASSION – Towards a pan-Arctic Observing System of Systems to serve Societal Needs
Creators: name: Karcher, Michael
Publisher: name: Zenodo
Year: 2022
Subjects: Arctic Observing System

description: Presentation given on the EuroGEO workshop 7-9 December 2022, Athens, Greece in the session ' EU polar observation – challenges ahead in terms of technology and governance'
Relationship between the VOC Tuning Effect and the Interface Activation Energy Due to the Third Component Concentration in Ternary Organic Solar Cells
Creators: name: Castro-Chacón, Andres
name: Castro-Carranza, Alejandra
name: Amargós-Reyes, Olivia
name: Maldonado, José-Luis
name: Hernández-Cristóbal, Orlando
name: Guzmán-Caballero, David
name: Mejía, Israel
name: Vázquez, Aldo
name: Gutowski, Jürgen
name: Nolasco, Jairo C.
Publisher: name: American chemical society
Year: 2022
Subjects: subject: ternary organic solar cells
subject: open-circuit voltage
subject: activation energy
subject: third material effect
subject: low concentration
subject: dark current characteristics
subject: interfacial effect
subject: 530

description: The open-circuit voltage (VOC) tuning effect due to the variation of the low concentration of the third component in ternary organic solar cells has been mainly attributed to interfacial phenomena. Up to date, the models reported in the literature to analyze such interfacial phenomena are based on optical characterization. In this work is proposed a different approach to study such a VOC tuning effect by using dark-current characteristics at different temperatures. Specifically, for PTB7-Th:PC71BM:ICBA-based solar cells, it is found that an increment of the third component concentration, that is, the fullerene ICBA, causes an increase in the activation energies (Ea) in an Arrhenius-type curve. This, in turn, decreases the reverse saturation current (J0) of the devices, thereby incrementing their VOC.
Spontaneous Symmetry Breaking Vacuum Energy in Cosmology
Creators: name: Zhou, Kang
name: Yue, Rui-Hong
name: Yang, Zhan-Ying
name: Zou, De-Cheng
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In present paper the gravitational effect of spontaneous symmetry breaking vacuum energy density is investigated by subtracting the flat space-time contribution from the energy in the curved space-time. We found that the remain effective energy-momentum tensor is too small to cause the acceleration of the universe although it satisfies the characteristic of the dark energy. However it could provide a promising explanation to the puzzle why the gravitational effect produced by the huge symmetry breaking vacuum energy in the electroweak theory has not been observed, since it has a sufficient small value (smaller than the observed cosmic energy density by a factor $10^{32}$).
description: 11 pages, no figure
Henry van de Velde’s use of the concept of art nouveau in his early writings
Creators: name: Buelinckx, Erik
Publisher: name: Pamiętnik Sztuk Pięknych / Fine Arts Diary
Year: 2019

description: Pamiętnik Sztuk Pięknych / Fine Arts Diary, Bd. 10 (2015): Pamiętnik Sztuk Pięknych / Fine Arts Diary
Capturing Topology in Graph Pattern Matching
Creators: name: Ma, Shuai
name: Cao, Yang
name: Fan, Wenfei
name: Huai, Jinpeng
name: Wo, Tianyu
Publisher: name: arXiv
Year: 2012
Subjects: subject: Databases (cs.DB)
subject: FOS: Computer and information sciences

description: Graph pattern matching is often defined in terms of subgraph isomorphism, an NP-complete problem. To lower its complexity, various extensions of graph simulation have been considered instead. These extensions allow pattern matching to be conducted in cubic-time. However, they fall short of capturing the topology of data graphs, i.e., graphs may have a structure drastically different from pattern graphs they match, and the matches found are often too large to understand and analyze. To rectify these problems, this paper proposes a notion of strong simulation, a revision of graph simulation, for graph pattern matching. (1) We identify a set of criteria for preserving the topology of graphs matched. We show that strong simulation preserves the topology of data graphs and finds a bounded number of matches. (2) We show that strong simulation retains the same complexity as earlier extensions of simulation, by providing a cubic-time algorithm for computing strong simulation. (3) We present the locality property of strong simulation, which allows us to effectively conduct pattern matching on distributed graphs. (4) We experimentally verify the effectiveness and efficiency of these algorithms, using real-life data and synthetic data.
description: VLDB2012
Electro-photochemical Functionalization of C(sp3)–H bonds: Synthesis toward Sustainability
Creators: name: Singh, Puja
name: König, Burkhard
name: Shaikh, Aslam C.
Publisher: name: Universität Regensburg
Year: 2024
Subjects: subject: electrophotochemistry; C(sp3)−H bond activation; sustainability; enantioselective; late-stage functionalization
subject: 540 Chemie

description: Over the past several decades, there has been a surge of interest in harnessing the functionalization of C(sp3)–H bonds due to their promising applications across various domains. Yet, traditional methodologies have heavily leaned on stoichiometric quantities of costly and often environmentally harmful metal oxidants, posing sustainability challenges for C–H activation chemistry at large. In stark contrast, the emergence of electro-photocatalytic-driven C(sp3)–H bond activation presents a transformative alternative. This approach offers a viable route for forging carbon–carbon and carbon–heteroatom bonds. It stands out by directly engaging inert C(sp3)–H bonds, prevalent in organic compounds, without the necessity for prefunctionalization or harsh reaction conditions. Such methodology simplifies the synthesis of intricate organic compounds and facilitates the creation of novel chemical architectures with remarkable efficiency and precision. This review aims to shed light on the notable strides achieved in recent years in the realm of C(sp3)–H bond functionalization through organic electro-photochemistry.
Controlled Laser-Thinning of MoS2 Nanolayers and Transformation to Amorphous MoOx for 2D Monolayer Fabrication
Creators: name: Tessarek, Christian
name: Gridenco, Oleg
name: Wiesing, Martin
name: Müssener, Jan
name: Figge, Stephan
name: Sebald, Kathrin
name: Gutowski, Jürgen
name: Eickhoff, Martin
Publisher: name: American chemical society
Year: 2020
Subjects: subject: MoS2
subject: laser-thinning
subject: Monitoring
subject: UV Raman spectroscopy
subject: photoluminescence spectroscopy
subject: Atomic Force Microscopy
subject: 530

description: Laser-thinning of 2D materials such as MoS2 is a promising approach for a local reduction of the number of multilayers down to a monolayer. For a precise control of the thinning process real-time monitoring is required. In this work, short-wavelength lasers emitting at 325 or 406 nm respectively are used for laser-thinning and simultaneous Raman or photoluminescence spectroscopy of MoS2. The time evolution of the Raman and photoluminescence bands during the process shows a layer-by-layer thinning of MoS2 and a transformation into amorphous MoOx in an oxygen-containing atmosphere. In addition to the E2g1 and A1g Raman modes, the E1g, B2g1, and second-order modes are analyzed by using the 325 nm laser for excitation to achieve a more accurate determination of the number of layers. As a promising alternative, photoluminescence spectroscopy is used to monitor the thinning progress by analysis of the emission energy and intensity of the direct as well as the indirect band gap transition. Atomic force microscopy measurements show an increased total height of the laser-treated region after thinning of MoS2 due to the presence of transformed MoOx. Local micropatterning of a bilayer is also demonstrated by laser-thinning down to a monolayer at selected positions. The results show a new monitoring approach for controlled fabrication of 2D monolayers.
Infinite Invariant Density Determines Statistics of Time Averages for Weak Chaos
Creators: name: Korabel, N.
name: Barkai, E.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: Weakly chaotic non-linear maps with marginal fixed points have an infinite invariant measure. Time averages of integrable and non-integrable observables remain random even in the long time limit. Temporal averages of integrable observables are described by the Aaronson-Darling-Kac theorem. We find the distribution of time averages of non-integrable observables, for example the time average position of the particle. We show how this distribution is related to the infinite invariant density. We establish four identities between amplitude ratios controlling the statistics of the problem.
description: 5 pages, 3 figures
Zjawisko polskich szkieł historyzujących wytwarzanych dla kolekcjonerów
Creators: name: Kasprzak, Aleksandra J.
Publisher: name: Pamiętnik Sztuk Pięknych / Fine Arts Diary
Year: 2019

description: Pamiętnik Sztuk Pięknych / Fine Arts Diary, Bd. 10 (2015): Pamiętnik Sztuk Pięknych / Fine Arts Diary
Studienreport Triggerpunkte: Konsens und Konflikt in der Gegenwartsgesellschaft : Qualitative Teilstudie
Creators: name: Mau, Steffen
name: Lux, Thomas
name: Westheuser, Linus
Publisher: name: Universität Bremen
Year: 2025
Subjects: subject: Soziale Ungleichheit
subject: Qualitative Forschung
subject: qualitative Forschungsdaten
subject: Fokusgruppeninterviews
subject: 300

description: Der im Rahmen des Leibniz-Projekts "Neue Ungleichheiten, neue Spaltungen? Eine politische Soziologie der Gegenwartsgesellschaft" entstandene Datensatz enthält Transkripte von sechs Diskussionsgruppen (sogenannte Fokusgruppen als offene Explorationsverfahren). In Kooperation mit Ipsos wurden drei Fokusgruppeninterviews im November 2021 in Berlin und drei im Mai 2022 in Essen durchgeführt, jeweils mit sechs bis neun Teilnehmenden und begleitender Moderation. Mittels eines Rekrutierungsfragebogens wurden in beiden Regionen je drei Fokusgruppen zusammengesetzt: eine mit Angehörigen der unteren Mittelschicht, eine mit Angehörigen der oberen Mittelschicht und eine mit Personen, die gegenläufige Wertorientierungen vertreten (sogenannte KRISIS-Gruppen). Es wurde zudem auf ein möglichst ausgewogenes Verhältnis aus verschiedenen Altersgruppen (16 bis 75 Jahre), Geschlechtern, Wohnorten, Bildungsniveaus und Berufen geachtet. Für die Fokusgruppeninterviews wurden brisante mediale Schlagzeilen als Diskussionsstimuli genutzt, um subjektive Wahrnehmungen und Argumente der Teilnehmenden zu jeweils themenbezogenen Ungleichheitskritiken und -rechtfertigungen zu erfassen. Es wurden zusätzlich demografische Merkmale (Alter, Geschlecht, Wohnort, sozioökonomischer Status etc.) und Werteinstellungen zu den verschiedenen Arenen der Ungleichheit erfasst. Zur Erschließung der argumentativen Struktur der Gruppendiskussionen wurden Verfahren der thematischen Analyse angewendet mit der sequentiellen und vergleichenden Tiefenanalyse ausgewählter Passagen nach der dokumentarischen Methode kombiniert und mit einer Metaphernanalyse ergänzt. Der inhaltliche Fokus der Auswertung lag darauf, welche Argumente und kulturellen Repertoires genutzt werden, um eigene Positionen zu begründen und Fremdpositionen zu kritisieren. Ziel war außerdem, zu verstehen, warum bestimmte Themen mit hohem Erregungspotential, sogenannte Triggerpunkte, so intensiv diskutiert werden. Die sechs anonymisierten Transkripte stehen bei Qualiservice zur wissenschaftlichen Nachnutzung in der Forschung und der akademischen Lehre zur Verfügung.
The NLS ground states on product spaces
Creators: name: Terracini, Susanna
name: Tzvetkov, Nikolay
name: Visciglia, Nicola
Publisher: name: arXiv
Year: 2012
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: We study the nature of the Nonlinear Schrödinger equation ground states on the product spaces $\R^n\times M^k$, where $M^k$ is a compact Riemannian manifold. We prove that for small $L^2$ masses the ground states coincide with the corresponding $\R^n$ ground states. We also prove that above a critical mass the ground states have nontrivial $M^k$ dependence. Finally, we address the Cauchy problem issue which transform the variational analysis to dynamical stability results.
description: 24 pages
Pocałunki, wiolonczela i cylinder Nieznane aspekty grafiki Konstantego Brandla ze zbiorów Muzeum Narodowego w Warszawie
Creators: name: Manicka, Anna
Publisher: name: Pamiętnik Sztuk Pięknych / Fine Arts Diary
Year: 2019

description: Pamiętnik Sztuk Pięknych / Fine Arts Diary, Bd. 10 (2015): Pamiętnik Sztuk Pięknych / Fine Arts Diary
Life and Dimensional Anchoring: The Role of  Consciousness in Topological Stability
Creators: name: Sixta, David
Publisher: name: Zenodo
Year: 2025
Subjects: subject: Condensed matter physics
subject: Particle physics
subject: Atomic physics
subject: Quantum physics
subject: Philosophy
subject: FOS: Philosophy, ethics and religion

description:  This paper proposes that life and consciousness play a critical role in  stabilizing the dimensional geometry of the universe. Within the frame work of Sixta Theory, conscious systems act as harmonic anchors, reducing  phase drift and preserving coherence in the twist-phase manifold. We in troduce new formalism including the Twist Drift Entropy and trust vector  gradients to describe how life modulates the harmonic structure of space time. Rather than treating observers as incidental, this model positions them as essential to the recursive structure of the cosmos.
„Otworzyć nowe niebo” Artyści i żydowska nowoczesność w Polsce
Creators: name: Piątkowska, Renata
Publisher: name: Pamiętnik Sztuk Pięknych / Fine Arts Diary
Year: 2019

description: Pamiętnik Sztuk Pięknych / Fine Arts Diary, Bd. 10 (2015): Pamiętnik Sztuk Pięknych / Fine Arts Diary
Additive Pattern Database Heuristics
Creators: name: Felner, A.
name: Hanan, S.
name: Korf, R. E.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: We explore a method for computing admissible heuristic evaluation functions for search problems. It utilizes pattern databases, which are precomputed tables of the exact cost of solving various subproblems of an existing problem. Unlike standard pattern database heuristics, however, we partition our problems into disjoint subproblems, so that the costs of solving the different subproblems can be added together without overestimating the cost of solving the original problem. Previously, we showed how to statically partition the sliding-tile puzzles into disjoint groups of tiles to compute an admissible heuristic, using the same partition for each state and problem instance. Here we extend the method and show that it applies to other domains as well. We also present another method for additive heuristics which we call dynamically partitioned pattern databases. Here we partition the problem into disjoint subproblems for each state of the search dynamically. We discuss the pros and cons of each of these methods and apply both methods to three different problem domains: the sliding-tile puzzles, the 4-peg Towers of Hanoi problem, and finding an optimal vertex cover of a graph. We find that in some problem domains, static partitioning is most effective, while in others dynamic partitioning is a better choice. In each of these problem domains, either statically partitioned or dynamically partitioned pattern database heuristics are the best known heuristics for the problem.
From vertical-cavities to hybrid metal/photonic-crystal nanocavities: Towards high-efficiency nanolasers
Creators: name: Kim, Se-Heon
name: Huang, Jingqing
name: Scherer, Axel
Publisher: name: arXiv
Year: 2011
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We provide a numerical study showing that a bottom reflector is indispensable to achieve unidirectional emission from a photonic-crystal (PhC) nanolaser. First, we study a PhC slab nanocavity suspended over a flat mirror formed by a dielectric or metal substrate. We find that the laser's vertical emission can be enhanced by more than a factor of six compared with the device in the absence of the mirror. Then, we study the situation where the PhC nanocavity is in contact with a flat metal surface. The underlying metal substrate may serve as both an electrical current pathway and a heat sink, which would help achieve continuous-wave lasing operation at room-temperature. The design of the laser emitting at 1.3 um reveals that relatively high cavity Q of over 1,000 is achievable assuming room-temperature gold as a substrate. Furthermore, linearly-polarized unidirectional vertical emission with the radiation efficiency over 50 % can be achieved. Finally, we discuss how this hybrid design relates to various plasmonic cavities and propose a useful quantitative measure of the degree of the `plasmonic' character in a general metallic nanocavity.
description: 26 pages, 10 figures
Przestrzeń kawiarni i przestrzeń sztuki Jama Michalika w Krakowie, fin de siècle i Młoda Polska
Creators: name: Matyaszewska, Elżbieta
Publisher: name: Pamiętnik Sztuk Pięknych / Fine Arts Diary
Year: 2019

description: Pamiętnik Sztuk Pięknych / Fine Arts Diary, Bd. 10 (2015): Pamiętnik Sztuk Pięknych / Fine Arts Diary
Sleep Deprivation Attack Detection in Wireless Sensor Network
Creators: name: Bhattasali, Tapalina
name: Chaki, Rituparna
name: Sanyal, Sugata
Publisher: name: arXiv
Year: 2012
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: Deployment of sensor network in hostile environment makes it mainly vulnerable to battery drainage attacks because it is impossible to recharge or replace the battery power of sensor nodes. Among different types of security threats, low power sensor nodes are immensely affected by the attacks which cause random drainage of the energy level of sensors, leading to death of the nodes. The most dangerous type of attack in this category is sleep deprivation, where target of the intruder is to maximize the power consumption of sensor nodes, so that their lifetime is minimized. Most of the existing works on sleep deprivation attack detection involve a lot of overhead, leading to poor throughput. The need of the day is to design a model for detecting intrusions accurately in an energy efficient manner. This paper proposes a hierarchical framework based on distributed collaborative mechanism for detecting sleep deprivation torture in wireless sensor network efficiently. Proposed model uses anomaly detection technique in two steps to reduce the probability of false intrusion.
description: 7 pages,4 figures, IJCA Journal February 2012
HOUSEHOLD DEMAND FOR IMPROVED SANITATION SERVICES: A CONTINGENT VALUATION STUDY ON ADDIS ABABA, ETHIOPIA
Creators: name: Biruk Gezahegne
Publisher: name: Zenodo
Year: 2003

description: As any developing country, lack of adequate infrastructure provision is an enormous problem in

Ethiopia. When we see the case of Addis Ababa, the current coverage of sanitation service is very

low. It is this very fact that has made the government of Ethiopia to extend a concerted effort to

improve the condition. In doing so, the government has stated that, the policy for increasing the

coverage as well as the proper use of any sustainability of the service requires implementation of a

cost recovery system. But this requires information on people’s preferences and WTP for the

proposed improvement.

Therefore, the paper examined the determinants of willingness-to-pay for improved sanitation

service and investigates the possibility of cost recovery policy directions using the contingent

valuation method.
The Morris-Lecar neuron model embeds a leaky integrate-and-fire model
Creators: name: Ditlevsen, Susanne
name: Greenwood, Priscilla
Publisher: name: arXiv
Year: 2011
Subjects: subject: Probability (math.PR)
subject: Neurons and Cognition (q-bio.NC)
subject: FOS: Mathematics
subject: FOS: Biological sciences

description: We show that the stochastic Morris-Lecar neuron, in a neighborhood of its stable point, can be approximated by a two-dimensional Ornstein-Uhlenbeck (OU) modulation of a constant circular motion. The associated radial OU process is an example of a leaky integrate-and-fire (LIF) model prior to firing. A new model constructed from a radial OU process together with a simple firing mechanism based on detailed Morris-Lecar firing statistics reproduces the Morris-Lecar Interspike Interval (ISI) distribution, and has the computational advantages of a LIF. The result justifies the large amount of attention paid to the LIF models.
description: 19 pages, 6 figures
ELECTRON TEMPERATURE IN THE E & F REGION OF THE IONOSPHERE DURING DAY TIME
Creators: name: MEENA, ASHISH KUMAR
name: PRIYANKA KUMARI
name: PREETAM GOUR
name: SHIVA SONI
Publisher: name: Zenodo
Year: 2023
Subjects: Ionospheric total electron content (TEC), Solar flare, EUV flux, Solar flares, Solar cycle

description: The theory regarding electron temperatures within the F region of the ionosphere are reviewed. The review is Split into three basic parts within the first part the speculation concerning electron heating, cooling, and strength shipping is reviewed, and each one the relevant expressions are up-to-date and the second part of the ionosphere F region contain electron temperature, and it’s measured by incoherent scatter radars, rockets, and satellites are discussed. This portion covers electron temperature variations with, local time, season, altitude, geomagnetic activity, latitude and solar cycle. The third part is primarily dedicated to a discussion of the assorted attempts to check measured and calculated ionosphere F region electron temperatures. F region electron temperatures are highly variable, depending on altitude, latitude, local time, season, solar cycle, and geomagnetic activity.
Evaluation of CBRN Preparedness of German Hospitals with Higher Level of Care: A Cross- Sectional Survey
Creators: name: Hupf, Julian
name: Zimmermann, Markus
name: Maier-Stocker, Constantin
name: Hanses, Frank
name: Mortelmans, Luc J. M.
name: Halpern, Pinchas
Publisher: name: Universität Regensburg
Year: 2024
Subjects: subject: mass casualty incidents, chemical terrorism, disaster planning
subject: 610 Medizin

description: Objective
Chemical, biological, radiological, and nuclear (CBRN) events with multiple casualties are rare events, but preparedness is crucial for hospitals to respond properly. This study evaluated the preparedness and disaster planning of German hospitals for CBRN incidents.
Methods
In a cross-sectional study, German hospitals with level III (highest level) emergency departments were surveyed using an online questionnaire focusing on risk assessment, infrastructure, hospital disaster planning, and preparedness for CBRN events.
Results
Between June and July 2023, 50 hospitals were surveyed. 62.5% of the hospitals had a section on chemical incidents in their disaster plan. A decontamination facility was available in 29.8% of the hospitals and chemical protective suits in 46.8%. The minority of the hospitals trained the correct handling of personal protective equipment (PPE) (39.1%) regularly or had frequent CBRN drills (21.3%). Most hospitals had the infrastructure for medical isolation (93.6%).
Conclusions
The level of CBRN preparedness is heterogeneous for German hospitals. Most were well prepared for infectious patients, but only half of all hospitals had sufficient PPE for chemical incidents and only 30% had a decontamination facility available. Overall, the level of CBRN preparedness is still insufficient and needs further improvement.
Numerical Models for the Diffuse Ionized Gas in Galaxies. I. Synthetic spectra of thermally excited gas with turbulent magnetic reconnection as energy source
Creators: name: Hoffmann, T. L.
name: Lieb, S.
name: Pauldrach, A. W. A.
name: Lesch, H.
name: Hultzsch, P. J. N.
name: Birk, G. T.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Aims: The aim of this work is to verify whether turbulent magnetic reconnection can provide the additional energy input required to explain the up to now only poorly understood ionization mechanism of the diffuse ionized gas (DIG) in galaxies and its observed emission line spectra. Methods: We use a detailed non-LTE radiative transfer code that does not make use of the usual restrictive gaseous nebula approximations to compute synthetic spectra for gas at low densities. Excitation of the gas is via an additional heating term in the energy balance as well as by photoionization. Numerical values for this heating term are derived from three-dimensional resistive magnetohydrodynamic two-fluid plasma--neutral-gas simulations to compute energy dissipation rates for the DIG under typical conditions. Results: Our simulations show that magnetic reconnection can liberate enough energy to by itself fully or partially ionize the gas. However, synthetic spectra from purely thermally excited gas are incompatible with the observed spectra; a photoionization source must additionally be present to establish the correct (observed) ionization balance in the gas.
description: Accepted by A&A
Monitoring einer naturverträglichen Energiewende – Das Webtool EE-Monitor liefert Daten
Creators: name: Mittelstaedt, Nora
Publisher: name: Zenodo
Year: 2023
Subjects: DFNS 2023

description: Hintergrund: Die Rahmenbedingungen eines naturverträglichen Ausbaus der Erneuerbaren Energien lassen sich mithilfe von 41 Indikatoren messen und darstellen. Hierzu wird im Januar 2023 eine WebApp veröffentlicht. Methodik: Dem Projekt EEMonReport liegt eine Beschreibung des Ausbaus der Erneuerbaren aus Sicht des Naturschutzes zu Grunde. Hierfür werden Standortdaten der EE (Wind-, Solar-, Bioenergie, Wasserkraft und Freileitungen) mit einer Auswahl an Naturschutzindikatoren innerhalb einer GIS-basierten Analyse verschränkt und mit Visualisierungen und Texten aufbereitet. Mithilfe der gesammelten Daten lässt sich die zeitliche Entwicklung der Energiewende darstellen und in Zusammenhang mit Schutzgütern (u. a. Naturschutzgebiete), Bodenbedeckungsklassen, Avifauna usw. bringen. Ergebnis: Die Indikatoren geben regionalspezifisch Auskunft über die Beanspruchung von Natur und Landschaft. In vielen Bereichen gelingt die naturverträgliche Energiewende bereits. Gleichwohl könnte die Nutzungseffizienz der begrenzten Flächen noch verbessert werden, beispielsweise durch Doppelnutzungen von Flächen und höherer Flächeneffizienz. Diskussion: Ein Monitoring dieser Art stellt die Grundlage für die Offenlegung von Spannungen und Potenzialen zwischen EE-Ausbau und Naturschutz dar.
Transport Characteristics of Molecular Motors
Creators: name: Machura, Lukasz
name: Kostur, Marcin
name: Luczka, Jerzy
Publisher: name: arXiv
Year: 2011
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Biological Physics (physics.bio-ph)
subject: FOS: Physical sciences

description: Properties of transport of molecular motors are investigated. A simplified model based on the concept of Brownian ratchets is applied. We analyze a stochastic equation of motion by means of numerical methods. The transport is systematically studied with respect to its energetic efficiency and quality expressed by an effective diffusion coefficient. We demonstrate the role of friction and non-equilibrium driving on the transport quantifiers and identify regions of a parameter space where motors are optimally transported.
description: 6 pages, 2 figures
B Physics at the TeVatron
Creators: name: Morello, Michael Joseph
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The CDF and DØ experiments at the Tevatron $p\bar{p}$ collider established that extensive and detailed exploration of the $b$--quark dynamics is possible in hadron collisions, with results competitive and supplementary to those from $e^+e^-$ colliders. This provides a rich, and highly rewarding program that is currently reaching full maturity. I report a few recent world-leading results on rare decays, CP-violation in $B^0_s$ mixing, $b\to s$ penguin decays, and charm physics.
description: 5 pages, 1 figure, proceedings for IFAE2011. To be published in the Nuovo Cimento C - Colloquia on Physics
title: "Sarcofago a festoni con Nereidi che portano le armi di Achille; fianco destro con festone di frutta e animale fantastico", Arte romana, inv. XXXVIIa (ITA/EN)
title: Scheda catalogo digitale Borghese
titleType: AlternativeTitle
Creators: name: Clementi, Jessica
name: Galleria Borghese
Publisher: name: Galleria Borghese
Year: 2024

description: Pubblicazione delle schede delle opere conservate nel museo ed estratte dal catalogo digitale di Galleria Borghese, nelle due versioni esistenti online, in italiano e inglese.

Collegamento al catalogo digitale:

ITA: https://www.collezionegalleriaborghese.it/

EN: https://www.collezionegalleriaborghese.it/en
Working Capital Management and Firms' profitability: Evidence from Manufacturing S.C. in Addis Ababa, Ethiopia
Creators: name: Henok Yohanes Nigatu
Publisher: name: Zenodo
Year: 2015

description: The main purpose of this study is to test empirically the impact of working capital management on profitability .To investigate this relationship between these two, the author collected secondary data from 19 manufacturing share companies in Addis Ababa, Ethiopia for the period of 2010 to 2014.

Accounts receivable period, inventory holding period and accounts payable period are used as independent working capital investment policy variables. Moreover, cash conversion cycle and current assets to total assets ratio are used as comprehensive measures of working capital investment policy. On the other hand, current liabilities to total assets ratio is used as measure of working capital financing policy. The regression results show inverse relationship between accounts receivable and inventory holding periods with profitability. However there is statistically insignificant relationship between accounts payable period and profitability. The results also show that there exists significant negative relationship between cash Conversion cycle and profitability of the sampled firms.