cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Ein integrales Modellierungskonzept zur numerischen Simulation der Osseointegration und Langzeitstabilität von Endoprothesen
Creators: name: Lutz, André
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: Finite-Elemente-Methode
subject: adaptive Netzverfeinerung
subject: Knochenumbau
subject: Osseointegration
subject: Mikrobewegungen
subject: Knochen-Implantat-Interface
subject: Hüftgelenksendoprothese
subject: patientenspezifische Modellierung
subject: Femurkopfnekrosen
subject: Finite element method
subject: adaptive mesh refinement
subject: bone remodeling
subject: micromotion
subject: bone-implant interface
subject: hip joint endoprosthesis
subject: patient-specific modeling
subject: femoral head necrosis
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau

description: [no abstract]
Resilience of d-wave superconductivity to nearest-neighbor repulsion
Creators: name: Sénéchal, D.
name: Day, A.
name: Bouliane, V.
name: Tremblay, A. -M. S.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Many theoretical approaches find d-wave superconductivity in the prototypical one-band Hubbard model for high-temperature superconductors. At strong-coupling (U > W, where U is the on-site repulsion and W=8t the bandwidth) pairing is controlled by the exchange energy J=4t^2/U. One may then surmise, ignoring retardation effects, that near-neighbor Coulomb repulsion V will destroy superconductivity when it becomes larger than J, a condition that is easily satisfied in cuprates for example. Using Cellular Dynamical Mean-Field theory with an exact diagonalization solver for the extended Hubbard model, we show that pairing, at strong coupling, is preserved even when V>>J, as long as V
Charakterisierung von immunregulatorischen NK-Zellen, non-Treg T-Zellen und mesenchymalen Stammzellen
Creators: name: Marquardt, Nicole
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: NK cells
subject: mesenchymal stem cells
subject: T cells
subject: NK-Zellen
subject: mesenchymale Stammzellen
subject: T-Zellen
subject: Dewey Decimal Classification::600 | Technik::610 | Medizin, Gesundheit
subject: Dewey Decimal Classification::500 | Naturwissenschaften::570 | Biowissenschaften, Biologie

description: [no abstract]
SCIENTIFIC CROSSCURRENTS BETWEEN ITALY AND ENGLAND: ITALIAN CONTRIBUTIONS TO THE PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY, 17TH-19TH CENTURIES
Creators: name: BERTI, LUCIA
Publisher: name: Universit� degli Studi di Milano
Year: 2020

description: The Royal Society of London and the Philosophical Transactions (PTRS) have played an important role in the promotion of science and knowledge ever since their founding in the 1660s. Not only the British but also scholars and researchers from all over the world ? among whom many Italians ? have been interested in corresponding with the Society, becoming members and/or publishing on the Society?s journal. The PTRS thus became a focal point of cultural interaction between researchers from different countries. Moreover, by considering the journal in diachronic perspective we can see the gradual development of present-day scientific writing. My purpose is to investigate Italian contributions the Philosophical Transactions from a linguistic, historical and cultural perspective focusing on English and Italian relationships from the journal?s creation in 1665 up to the end of the 19th century. In this respect, the present piece of research focuses on a largely unexplored area in the history of Anglo-Italian socio-cultural relations, that is to say the scientific interactions between English and Italian researchers at the time when modern science was born and developed. The present study is a historical and critical linguistic analysis of PTRS articles written by Italians or based on Italian research and by analysing English and Italian relations through the papers and the epistolary exchanges of the scientists from the two countries. The aim from the linguistic perspective is to describe the features and development of Italian and Italian-research-inspired scientific writing in the Transactions; and ultimately, from the historical and cultural point of view, to provide a picture of Anglo-Italian relations in scientific context. The critical linguistic analysis of the primary sources here becomes functional to an objective analysis of cultural relations. It moreover adds to the existing research on the development of scientific writing by providing a study that is focused on a culturally-restricted group of papers and distinguishes between the sources of the writings. Comments and descriptions on editorial and translation practices will also be provided.
MPEC 2023-V250 : 2023 VX8
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 VX8

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Enzyme aus Basidiomyceten zur Modifikation von Hydrokolloid-Systemen
Creators: name: Matthes, René
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: Basidiomycete
subject: oxidative gelation
subject: ester synthesis
subject: Basidiomyceten
subject: oxidative Gelierung
subject: Esterase
subject: Ganoderma applanatum
subject: Estersynthese
subject: Dewey Decimal Classification::600 | Technik::660 | Technische Chemie
subject: Dewey Decimal Classification::500 | Naturwissenschaften::570 | Biowissenschaften, Biologie

description: [no abstract]
GENOMIC LANDSCAPE AND TRANSCRIPTIONAL REGULATION BY YAP AND MYC IN THE LIVER
Creators: name: CROCI, OTTAVIO
Publisher: name: Universit� degli Studi di Milano
Year: 2018

description: This thesis is divided in three sections; the main project is described in the first part, while additional projects are developed in two appendixes. In the main project we studied YAP, the downstream effector of the Hippo pathway, a transcriptional co-factor that plays a fundamental role in de-differentiation, cell proliferation and transformation. While its upstream regulation has been extensively studied, its role as transcriptional co-factor is still poorly understood. We show that YAP co-adjuvates the transcriptional responses of Myc oncogene to promote cell proliferation and transformation; when both YAP and Myc are overexpressed, YAP is recruited on genomic sites pre-marked by Myc, TEAD and active chromatin and potentiate the expression of cell cycle genes regulated by Myc. In addition, we show that YAP promotes cell de-differentiation by antagonizing in cis the expression of liver-specific genes controlled by HNF4A master regulator, thus providing a mechanism on how YAP can revert the phenotype of a differentiated hepatocyte into a progenitor cell. In the first appendix we explain the mechanism of BRD4 inhibition, a promising strategy for the treatment of Myc-driven tumors. The efficacy of this strategy relies on the control of transcriptional elongation mediated by BRD4 on gene promoters, independently of the downregulation of Myc oncogene. Although the inhibition of BRD4 causes its genome-wide displacement on promoters, the effects on transcription are restricted to a subset of sensitive genes. This specificity relies on the fact that while most genes compensate the drop in elongation caused by BRD4 inhibition with further recruitment of RNA Pol2 on promoters and maintain a proficient mRNA transcription, vulnerable genes are not able to promote these compensatory effects, because RNA Pol2 recruitment on these promoters is already maximized. Our results show how the impairment of elongation genome-wide can affect specific transcriptional programs. In the second appendix we describe a new web application, Chrokit, aimed at analyzing genomic data in a fast and intuitive way. Chrokit handles a set of genomic regions of interest and performs several tasks on them, such as selecting particular subsets, computing overlaps and visualize reads enrichment of specific chromatin features interactively. The application is multiplatform and can be run on dedicated servers to maximize computational power and provide accessibility to multiple users simultaneously.
Distribution of the least-squares estimators of a single Brownian trajectory diffusion coefficient
Creators: name: Boyer, Denis
name: Dean, David S.
name: Mejia-Monasterio, Carlos
name: Oshanin, Gleb
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In this paper we study the distribution function $P(u_α)$ of the estimators $u_α \sim T^{-1} \int^T_0 \, ω(t) \, {\bf B}^2_{t} \, dt$, which optimise the least-squares fitting of the diffusion coefficient $D_f$ of a single $d$-dimensional Brownian trajectory ${\bf B}_{t}$. We pursue here the optimisation further by considering a family of weight functions of the form $ω(t) = (t_0 + t)^{-α}$, where $t_0$ is a time lag and $α$ is an arbitrary real number, and seeking such values of $α$ for which the estimators most efficiently filter out the fluctuations. We calculate $P(u_α)$ exactly for arbitrary $α$ and arbitrary spatial dimension $d$, and show that only for $α= 2$ the distribution $P(u_α)$ converges, as $ε= t_0/T \to 0$, to the Dirac delta-function centered at the ensemble average value of the estimator. This allows us to conclude that only the estimators with $α= 2$ possess an ergodic property, so that the ensemble averaged diffusion coefficient can be obtained with any necessary precision from a single trajectory data, but at the expense of a progressively higher experimental resolution. For any $α\neq 2$ the distribution attains, as $ε\to 0$, a certain limiting form with a finite variance, which signifies that such estimators are not ergodic.
description: 27 pages, 5 figures
АНАЛИЗ ПАРЕМИЙ В КОНЦЕПТЕ «ЗНАНИЕ»,  «МУДРОСТЬ» С ПОЛОЖИТЕЛЬНЫМ ОТТЕНКОМ В РУССКОЙ ПОСЛОВИЧНОЙ ЯЗЫКОВОЙ КАРТИНЕ МИРА
Creators: name: Абдуллаева, Нигина
name: Абдуллаева, Р.Х.
Publisher: name: Zenodo
Year: 2023

description: Статья посвящена анализу паремических единиц и описанию системы репрезентации оценки понятия «знание»,  «мудрость» в русской  пословичной языковой  картине мира. Рассматриваются пословицы с семантикой «знание»,  «мудрость» и их роль в процессе отражения духовно-нравственного и социально-культурного мировоззрения человека.
Die Wirkung von Kohlenhydratgaben während des Trainings auf die Entwicklung der Ausdauer-, Sprint- und Regenerationsfähigkeit
Creators: name: Maassen, Mirja
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: Aerobic capacity
subject: endurance capacity
subject: sprint ability
subject: repeatet sprint ability
subject: carbohydrate supplementation
subject: Aerobe Kapazität
subject: Ausdauerkapazität
subject: Sprintleistungsfähigkeit
subject: Regenerationsfähigkeit
subject: Kohlenhydratsupplementation
subject: Dewey Decimal Classification::700 | Künste, Bildende Kunst allgemein::790 | Freizeitgestaltung, Darstellende Kunst::796 | Sport

description: [no abstract]
title: Skin creams, make-up and shampoos should be free from Pluralibacter: Updated BfR Opinion No. 038/2020, 7 September 2020
Creators: name: Bundesinstitut Für Risikobewertung
Publisher: name: Bundesbehörden und Einrichtungen im Geschäftsbereich des Bundesministeriums für Ernährung und Landwirtschaft (BMEL)
Year: 2020
Subjects: subject: 000

description: BfR-Stellungnahmen, vol. 2020, no. 038, p. 5
title: Salmonella Control Programme - results for the year 2015: BfR Opinion No 29/2017, 20 September 2017
Creators: name: Bundesinstitut Für Risikobewertung
Publisher: name: Bundesbehörden und Einrichtungen im Geschäftsbereich des Bundesministeriums für Ernährung und Landwirtschaft (BMEL)
Year: 2017
Subjects: subject: 000

description: BfR-Stellungnahmen, vol. 2017, no. 029, p. 1
Universality of one-dimensional Fermi systems, I. Response functions and critical exponents
Creators: name: Benfatto, Giuseppe
name: Falco, Pierluigi
name: Mastropietro, Vieri
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mathematical Physics (math-ph)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The critical behavior of one-dimensional interacting Fermi systems is expected to display universality features, called Luttinger liquid behavior. Critical exponents and certain thermodynamic quantities are expected to be related among each others by model-independent formulas. We establish such relations, the proof of which has represented a challenging mathematical problem, for a general model of spinning fermions on a one dimensional lattice; interactions are short ranged and satisfy a positivity condition which makes the model critical at zero temperature. Proofs are reported in two papers: in the present one, we demonstrate that the zero temperature response functions in the thermodynamic limit are Borel summable and have anomalous power-law decay with multiplicative logarithmic corrections. Critical exponents are expressed in terms of convergent expansions and depend on all the model details. All results are valid for the special case of the Hubbard model.
description: 56 pages, 2 figures. arXiv admin note: text overlap with arXiv:1106.0356
Probing the habitability conditions for the Earth-like exoplanets by their atmosphere characterization
Creators: name: Singla, Manika
Publisher: name: Zenodo
Year: 2023
Subjects: exoplanets
habitability
albedo
reflection spectra
transmission spectra
polarization
surface albedo
biomolecules
biosignatures
SETI

description: Models for the transmission and reflection spectra for the present Earth-like exoplanets for with and without clouds orbiting within their habitable zones are presented.Various combinations of solid and liquid
 materials such as ocean, coast, land consisting of trees, grass, sand or rocks determine the surface albedo of the planet. Geometric albedo and model reflected spectra for a set of nine potential habitable planets,
 including Proxima Centauri b, TRAPPIST-1d, Kepler-1649c and Teegarden’s Star-b have been modelled and their maximum Bond albedo have been determined. We adopt different atmospheric
 Temperature-Pressure profiles depending on the properties of the terrestrial exoplanets. We also calculated the phase curves of albedo and disk-integrated polarization by using appropriate scattering phase
 matrices and integrating the local Stokes vectors over the illuminated part of the disks along the line of sight. For this, we solved the 3D vector radiative transfer equations numerically. The effects of the globally
 averaged surface albedo on the reflection spectra and phase curves as the surface features of such planets are known to significantly dictate the nature of these observational quantities. Synergic observations of
 the spectra and phase curves will certainly prove to be useful in extracting more information and reducing the degeneracy among the estimated parameters of terrestrial exoplanets.
title: N, S-doped carbon quantum dots/TiO₂ nanocomposites for visible-light-driven photocatalytic degradation of water pollutants
Creators: name: Chang, Lantian
Publisher: name: Memorial University of Newfoundland
Year: 2022

description: This thesis presents the synthesis and application of a novel carbon quantum dots (CQDs) sensitized TiO₂ composite in the treatment of water pollutants. Firstly, nitrogen and sulfur co-doped carbon quantum dots (N, S-CQDs) were synthesized from citric acid and thiourea through hydrothermal method. The as-prepared N, S-CQDs demonstrated strong visible-light absorption and green-light emission. By incorporating N, S-CQDs into TiO₂, a composite (N, S-CQDs/TiO₂) with great improvement in visible-light-harvesting and reduced band gap were obtained, which was subsequently used as a visible-light-responsive catalyst for the photocatalytic reduction of Cr (VI) from water. Experimental results from batch reaction processes indicated that the composite was able to completely reduce Cr (VI) to Cr (III) at pH2.0 after 3 hours’ exposure to visible light with the initial Cr (VI) concentration being 20.0 mg/L and a catalyst dosage of 1.0g/L. It was also found that lower pH and lower initial concentration of Cr (VI) led to high reduction efficiency. Compare with pure TiO₂, a four-fold increase in reduction efficiency of Cr (VI) was achieved by the N, S-CQDs/TiO₂ composite under the same reaction conditions. The N, S-CQDs/TiO₂ nanocomposite was also applied for synergistic photocatalytic reduction of Cr (VI) and degradation of erythromycin (ERY) from water under visible light irradiation. Because of the instant consumptions of photo-generated electrons and holes at conduction and valence bands, the composite exhibited improved Cr (VI) reduction efficiency in the binary Cr (VI)-ERY system compared to single Cr (VI) system, leading to complete reduction of Cr (VI) and 96.0% degradation of ERY with the increased initial concentration (c0 = 30.0 mg/L for each and catalyst dosage being 1.0 g/L). Moreover, the composite also exhibited very high chemical stability, and less than 10% decrease in Cr (VI) reduction rate and ERY degradation efficiency were achieved after four sequential runs. The results from radical trapping experiments proved that hole (h⁺) and hydroxyl radical (•OH) were the major active species for ERY degradation, whereas photo-generated electrons (e⁻) reduced Cr (VI) to Cr (III). Results from this study reveals that sensitization of TiO₂ with CQDs is efficient in broadening the light absorption range of TiO₂, expanding its application in visible-light-driven photocatalysis.
Asymptotic power of sphericity tests for high-dimensional data
Creators: name: Onatski, Alexei
name: Moreira, Marcelo J.
name: Hallin, Marc
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics

description: This paper studies the asymptotic power of tests of sphericity against perturbations in a single unknown direction as both the dimensionality of the data and the number of observations go to infinity. We establish the convergence, under the null hypothesis and contiguous alternatives, of the log ratio of the joint densities of the sample covariance eigenvalues to a Gaussian process indexed by the norm of the perturbation. When the perturbation norm is larger than the phase transition threshold studied in Baik, Ben Arous and Peche [Ann. Probab. 33 (2005) 1643-1697] the limiting process is degenerate, and discrimination between the null and the alternative is asymptotically certain. When the norm is below the threshold, the limiting process is nondegenerate, and the joint eigenvalue densities under the null and alternative hypotheses are mutually contiguous. Using the asymptotic theory of statistical experiments, we obtain asymptotic power envelopes and derive the asymptotic power for various sphericity tests in the contiguity region. In particular, we show that the asymptotic power of the Tracy-Widom-type tests is trivial (i.e., equals the asymptotic size), whereas that of the eigenvalue-based likelihood ratio test is strictly larger than the size, and close to the power envelope.
description: Published in at http://dx.doi.org/10.1214/13-AOS1100 the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Euphorbia virgata Waldst. et Kit.
Creators: name: Becherer
Publisher: name: Zenodo
Year: 1956
Subjects: Biodiversity
Taxonomy

description: E.virgata Waldst. et Kit. Ödland,Dämme. Eingeschleppt; beobachtet seit 1902, in neuerer Zeit sich stark ausbreitend und auch in Kulturen eindringend. l: St-Ataurice, Eisenbahndamm, seit etwa 1940 (Jacomet); bei Salvan (Coquoz 1918). -2: Branson-Fully-Mazembroz (Gams); Leytron (J.); bei Sitten (Mariétan, Koch). - 3: Martigny (Thellung 1909, J. 1911, F. u. a.); Orsières (Wilczek 1925); unter Liddes (idem 1923); Martigny-Le Guercet-Charrat (F. 1914); Saxon (J. Braun 1907) und Saxon Riddes, vielfach und in Menge (F. 1933 und später mehrere andere Beobachter); Strasse Sitten-Vex (Thommen 1947, Oberson 1948); zwischen Chalais und Chippis (Becherer 1940); Visp (Becherer 1955); zwischen Unterflüh und Burgackern ob Stalden, 1290 m (Villaret 1953); Zermatt, «im Moos» (Wolf 1902 in herb. de Palezieux), ob dem Bahnhof (Rieber 1952) und bei Zmutt (Huber 1924, Brosi 1954u. a.); zwischen Visp und Eyholz an der Kantonsstrasse und in deren Umgebung (J. Favre 1946, Hirschmann 1952) und zwischen Visp und Brigerbad auf der Südseite des Bahnkörpers (Thommen 1950); Im Grund bei Glis (Wilczek 1920). - 4: Brig-Termen, Acker, starke Kolonie (Becherer 1948). Die Pflanzen der meisten (oder aller?) Fundstellen gehören zurf. esulifolia Thell.
description: Published as part of Becherer, 1956, Florae Vallesiacae Supplementum, pp. 1-556 in Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71 on pages 1-556
title: Botulism risk through salted and dried roach: BfR Opinion No.026/2017 of 11 September 2017
Creators: name: Bundesinstitut Für Risikobewertung
Publisher: name: Bundesbehörden und Einrichtungen im Geschäftsbereich des Bundesministeriums für Ernährung und Landwirtschaft (BMEL)
Year: 2017
Subjects: subject: 000

description: BfR-Stellungnahmen, vol. 2017, no. 026, p. 3
title: Alfred Schuler: Die Schussenquelle. Eine Freilandstation des Magdalénien in Oberschwaben. Stuttgart 1994
Creators: name: Berke, Hubert
Publisher: name: University Library Heidelberg
Year: 2016

description: Rezension zu: Alfred Schuler: Die Schussenquelle. Eine Freilandstation des Magdalénien in Oberschwaben. Materialhefte zur Archäologie in Baden-Württemberg, Band 27. Theiss Verlag. Stuttgart 1994. ISBN 3-8062-1166-3.
Exploring the origin of magnetic fields in massive stars: II. New magnetic field measurements in cluster and field stars
Creators: name: Hubrig, S.
name: Schoeller, M.
name: Ilyin, I.
name: Kharchenko, N. V.
name: Oskinova, L. M.
name: Langer, N.
name: Gonzalez, J. F.
name: Kholtygin, A. F.
name: Briquet, M.
name: collaboration, the MAGORI
Publisher: name: arXiv
Year: 2013
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Theories on the origin of magnetic fields in massive stars remain poorly developed, because the properties of their magnetic field as function of stellar parameters could not yet be investigated. To investigate whether magnetic fields in massive stars are ubiquitous or appear only in stars with a specific spectral classification, certain ages, or in a special environment, we acquired 67 new spectropolarimetric observations for 30 massive stars. Among the observed sample, roughly one third of the stars are probable members of clusters at different ages, whereas the remaining stars are field stars not known to belong to any cluster or association. Spectropolarimetric observations were obtained during four different nights using the low-resolution spectropolarimetric mode of FORS2 (FOcal Reducer low dispersion Spectrograph) mounted on the 8-m Antu telescope of the VLT. Furthermore, we present a number of follow-up observations carried out with the high-resolution spectropolarimeters SOFIN mounted at the Nordic Optical Telescope (NOT) and HARPS mounted at the ESO 3.6m between 2008 and 2011. To assess the membership in open clusters and associations, we used astrometric catalogues with the highest quality kinematic and photometric data currently available. The presence of a magnetic field is confirmed in nine stars previously observed with FORS1/2: HD36879, HD47839, CPD-282561, CPD-472963, HD93843, HD148937, HD149757, HD328856, and HD164794. New magnetic field detections at a significance level of at least 3sigma were achieved in five stars: HD92206c, HD93521, HD93632, CPD-468221, and HD157857. Among the stars with a detected magnetic field, five stars belong to open clusters with high membership probability. According to previous kinematic studies, five magnetic O-type stars in our sample are candidate runaway stars.
description: 14 pages, nine figures, four tables, accepted for publication in A&A
Entkoppelte Graphen-Einzel-Lagen : p-n-Übergänge, Quanten-Interferenzen und Nichtlinearität
Creators: name: Lüdtke, Thomas
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: Decoupled graphene
subject: bipolar graphene-FET
subject: quantum interference
subject: Entkoppeltes Graphen
subject: bipolarer Graphen-FET
subject: Quanteninterferenz
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: [no abstract]
Technosignatures with TESS: Anomaly Detection and Data Exploration in Detail
Creators: name: Giles, Daniel
name: Cody, Ann Marie
Publisher: name: Zenodo
Year: 2023
Subjects: machine learning
technosignature
TESS
megastructure
anomaly
outlier
SkyPortal

description: The Transiting Exoplanet Survey Satellite (TESS) has revolutionized the study of stellar variability through its extensive collection of full frame images. With millions of stars observed at a high cadence, TESS has provided a rich dataset for investigating various celestial phenomena. While the primary focus has been on studying transiting exoplanets, spotted stars, and pulsators, the vastness of the dataset also presents an opportunity to uncover more anomalous variability, such as transiting megastructures. Drawing inspiration from the discoveries made by astronomers and citizen scientists using TESS's predecessor, Kepler, we have embarked on a comprehensive search for anomalous variability within the first two years of TESS observations (sectors 1-26). To facilitate this search, we have employed statistical and machine learning methods to enable efficient detection and exploration of anomalies in the light curves. We present here the multi-step process employed to translate light curve data into anomaly scores. For the top ~2% of potentially anomalous fading light curves returned by our procedures, we have also established a visual and statistical vetting process aimed at separating observing artifacts from truly odd variability. Our methods rely heavily on an interactive database based on SkyPortal architecture. What remains after this careful vetting are multiple useful data products. We present examples of problematic systematics by sector, typical types of known variables, and a handful of sources with as yet undetermined astrophysical processes which merit further investigation.
title: Die Würfel sind gefallen
title: Strategieoptimierung des Spieles Qwixx durch maschinelles Lernen
titleType: Subtitle
Creators: name: Janetzki, Susann
Publisher: name: Physikalisch-Technische Bundesanstalt (PTB)
Year: 2022
Subjects: Qwixx
evolutionärer Algorithmus
künstliche Intelligenz
Maschinelles Lernen
Evolutionszyklus
Fitness
Training
Mutationsrate
Generation

description: Junge Wissenschaft. Paper 06/2022
description: Für das Würfelspiel Qwixx wurde eine KI entwickelt, die mittels eines evolutionären Algorithmus KI-Spieler trainiert und so eine starke Strategie findet. Dazu werden auch verschiedene Trainingsmethoden verglichen und bewertet. Auf diese Weise wurde ein KI-Spieler („AlphaQwixx“) gefunden, der mit menschlichen Spielern konkurrieren und höhere Punktzahlen erreichen kann.
description: In der Jungen Wissenschaft werden Forschungsarbeiten von Schüler/innen, die selbstständig, z.B. in einer Schule oder einem Schülerforschungszentrum, durchgeführt wurden, veröffentlicht.
Ursache, Analyse und Reduzierungsstrategien von organischen Emissionen aus Elastomerwerkstoffen
Creators: name: Lucas, German
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: Elastomers
subject: emissions
subject: reduction strategies
subject: Elastomere
subject: Emissionen
subject: Reduzierungsstrategien
subject: Dewey Decimal Classification::600 | Technik::670 | Industrielle und handwerkliche Fertigung
subject: Dewey Decimal Classification::600 | Technik::660 | Technische Chemie

description: [no abstract]
Fermion mass mixing and vacuum triviality in the renormalization group procedure for effective particles
Creators: name: Glazek, Stanislaw D.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Renormalization group procedure for effective particles is applied to the model quantum theory of free fermions to which one adds an interaction in the form of a mass mixing term. If one used a standard approach based on the instant form of dynamics, the theory would suffer from a generic vacuum problem caused by a divergent production of virtual quanta out of a bare vacuum and it would require an adjustment of its degrees of freedom to the added interaction term before quantization, considered a means of avoiding the quantum vacuum problem. In the effective particle approach, the quantum vacuum problem is dealt with instead by using the front form of dynamics, where the pair production is excluded by momentum conservation. The corresponding Hamiltonian includes mass parameters through constraint equations while the required quantum field operators are constructed independently of all mass parameters, including the parameters that appear in the added mass mixing interaction term. Then the masses and states of physical fermions emerge at an end of the non-perturbative calculation that is carried out entirely in one and the same interacting quantum theory with a trivial vacuum and no quantization adjustment. An a priori infinite set of renormalization group equations for all momentum modes of fermion fields is reduced to just one equation for a two-by-two mass squared matrix, thanks to 7 kinematical symmetries of the front form (the instant form has only 6). For strong mass mixing interactions, the fermion model solutions qualitatively differ from the analogous, earlier found boson model solutions by the absence of tachyons.
description: 21 pages, plain latex
title: Titel: BfR2GO – Issue 1/2017: Tracking down the food fraudsters
Creators: name: Bundesinstitut Für Risikobewertung
Publisher: name: Bundesbehörden und Einrichtungen im Geschäftsbereich des Bundesministeriums für Ernährung und Landwirtschaft (BMEL)
Year: 2017
Subjects: subject: 500

description: Wissenschaftsmagazin, vol. 1, 2017
GROUNDWATER VULNERABILITY ASSESSMENT USING STATISTICAL METHODS
Creators: name: SORICHETTA, ALESSANDRO
Publisher: name: Universit� degli Studi di Milano
Year: 2011

description: Groundwater vulnerability maps are considered as an essential component for sustainable environmental planning and management. Statistical methods are increasingly being used to produce scientifically defensible groundwater vulnerability maps which meaningfulness and reliability however must be carefully evaluated before being distributed. The Weigth of Evidence method (WofE) was used for assessing groundwater vulnerability to nitrate contamination of two different aquifers with the aim of testing its robustness as exploratory and predictive tool and addressing more general issues related to the use of statistical methods to produce groundwater vulnerability maps. The spatial variability of different maps showing similar performances in term of predictive power, the influence of using different thresholds in the analysis, and the limits of using statistical methods to assess groundwater vulnerability were the main aspects evaluated in this study. Results showed that: a) the WofE represents a powerful tool for selecting the appropriate explanatory variables and producing reliable maps; b) different maps, generated using different combinations of explanatory variables, always present some degree of spatial variability that can be analyzed through multiple validation techniques; c) the use of different thresholds produce similar or different results depending on if the spatial distribution of the vulnerability is observed at broad and small scale, respectively. Furthermore, a new research challenge was identified in trying to integrate the temporal component in the vulnerability analysis.
Die Bedeutung von freien Radikalen für die Toxizität proinflammatorischer Zytokine und die Apoptoseinduktion in insulinproduzierenden Zellen
Creators: name: Mehmeti, Ilir
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2011
Subjects: subject: Diabetes mellitus
subject: ROS
subject: intrinsische Apoptosesignalkaskade
subject: Dewey Decimal Classification::600 | Technik::610 | Medizin, Gesundheit

description: [no abstract]
Tribologische Untersuchungen des Systems Ventilsitz - Ventilsitzring
Creators: name: Messer, Markus
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2013
Subjects: subject: Valve
subject: valve seat insert
subject: impact
subject: secondary motion
subject: Ventil
subject: Ventilsitzring
subject: Auftreffverhalten
subject: Sekundärbewegung
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau

description: [no abstract]
title: Nahrungsergänzungsmittel mit anthranoidhaltigen Aloe-Ganzblattzubereitungen bergen gesundheitliche Risiken: Stellungnahme Nr. 032/2017 des BfR vom 2. November 2017
Creators: name: Bundesinstitut Für Risikobewertung
Publisher: name: Bundesbehörden und Einrichtungen im Geschäftsbereich des Bundesministeriums für Ernährung und Landwirtschaft (BMEL)
Year: 2017
Subjects: subject: 000

description: BfR-Stellungnahmen, vol. 2017, no. 032, p. 36
Optimization of the Design of the Hard X-ray Polarimeter X-Calibur
Creators: name: Guo, Qingzhen
name: Beilicke, Matthias
name: Garson, Alfred
name: Kislat, Fabian
name: Fleming, David
name: Krawczynski, Henric
Publisher: name: arXiv
Year: 2012
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We report on the optimization of the hard X-ray polarimeter X-Calibur for a high-altitude balloon-flight in the focal plane of the InFOCμS X-ray telescope from Fort Sumner (NM) in Fall 2013. X-Calibur combines a low-Z scintillator slab to Compton-scatter photons with a high-Z Cadmium Zinc Telluride (CZT) detector assembly to photo-absorb the scattered photons. The detector makes use of the fact that polarized photons Compton scatter preferentially perpendicular to the electric field orientation. X-Calibur achieves a high detection efficiency of order unity and reaches a sensitivity close to the best theoretically possible. In this paper, we discuss the optimization of the design of the instrument based on Monte Carlo simulations of polarized and unpolarized X-ray beams and of the most important background components. We calculate the sensitivity of the polarimeter for the upcoming balloon flight from Fort Sumner and for additional longer balloon flights with higher throughput mirrors. We conclude by emphasizing that Compton polarimeters on satellite borne missions can be used down to energies of a few keV.
description: 17 pages, 16 figures, accepted by Astroparticle Physics
title: UpSift: on Johanna Drucker’s DownDrift
Creators: name: Johnston, David (Jhave)
Publisher: name: Electronic Book Review
Year: 2019

description: A book-review meditation-musing by David (Jhave) Johnston on a multimodal science fiction by Johanna Drucker. The story is told from the point of view of a distributed organism, Archaea that was discovered in the 1970s. "Structurally similar to bacteria but chemically-distinct," this entity suggests what a born-digital literature for the posthuman era might look like: "an epoch when human-level consciousness drifts down into animals, insects, fish" and many other others.
FONTI ENERGETICHE RINNOVABILI: INCENTIVI ECONOMICI E ALTRI STRUMENTI DI SUPPORTO. UN'ANALISI DI DIRITTO COMPARATO.
Creators: name: FANETTI, STEFANO
Publisher: name: Universit� degli Studi di Milano
Year: 2011

description: Italy is a country where the energy supply depends largely on imported fossil fuels (such as oil and natural gas). The favorable geographic location could encourage the development of renewable energy sources; nevertheless, the growth of alternative energy sources is slow. What are the reasons? This question will be dealt in this thesis, considering three different aspects of the issue: the economic incentives for renewable energies, the problematic process of authorization of the facilities and the local communities? opposition to new plants. Besides the analysis of these issues, the aim of this paper is to identify possible solutions, taking into account successful experiences of two EU Countries (Germany and Denmark) and relevant legislative changes that, at national and Community level, have affected and are affecting the field of renewable energy.
Heterogeneous patterns enhancing static and dynamic texture classification
Creators: name: da Silva, Núbia Rosa
name: Bruno, Odemir Martinez
Publisher: name: arXiv
Year: 2013
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Some mixtures, such as colloids like milk, blood, and gelatin, have homogeneous appearance when viewed with the naked eye, however, to observe them at the nanoscale is possible to understand the heterogeneity of its components. The same phenomenon can occur in pattern recognition in which it is possible to see heterogeneous patterns in texture images. However, current methods of texture analysis can not adequately describe such heterogeneous patterns. Common methods used by researchers analyse the image information in a global way, taking all its features in an integrated manner. Furthermore, multi-scale analysis verifies the patterns at different scales, but still preserving the homogeneous analysis. On the other hand various methods use textons to represent the texture, breaking texture down into its smallest unit. To tackle this problem, we propose a method to identify texture patterns not small as textons at distinct scales enhancing the separability among different types of texture. We find sub patterns of texture according to the scale and then group similar patterns for a more refined analysis. Tests were performed in four static texture databases and one dynamic one. Results show that our method provides better classification rate compared with conventional approaches both in static and in dynamic texture.
description: 6 pages, 5 figures
Der Rücken als Projektionsgebiet biopsychosozialer Dysbalancen : Wirbelsäulenfunktion und Rückenschmerz
Creators: name: Rosemeier, Ina
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2013
Subjects: subject: Chronic back pain
subject: measurement of the spinal column
subject: therapy optimization
subject: Chronischer Rückenschmerz
subject: Wirbelsäulenmessung
subject: Therapieoptimierung
subject: Dewey Decimal Classification::600 | Technik::610 | Medizin, Gesundheit

description: [no abstract]
title: Food supplements with whole-leaf Aloe preparations containing anthranoids are associated with health risks: BfR Opinion No. 032/2017 of 2 November 2017
Creators: name: Bundesinstitut Für Risikobewertung
Publisher: name: Bundesbehörden und Einrichtungen im Geschäftsbereich des Bundesministeriums für Ernährung und Landwirtschaft (BMEL)
Year: 2017
Subjects: subject: 000

description: BfR-Stellungnahmen, vol. 2017, no. 032, p. 2
Euphorbia peplus L.
Creators: name: Becherer
Publisher: name: Zenodo
Year: 1956
Subjects: Biodiversity
Taxonomy

description: E. Peplus L. Cat. 316. Auch in Distr. 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
Universality of one-dimensional Fermi systems, II. The Luttinger liquid structure
Creators: name: Benfatto, Giuseppe
name: Falco, Pierluigi
name: Mastropietro, Vieri
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mathematical Physics (math-ph)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We complete the proof started in "Universality of one-dimensional Fermi systems, I." of the universal Luttinger liquid relations for a general model of spinning fermions on a lattice, by making use of the Ward Identities due to asymptotically emerging symmetries. This is done by introducing an effective model verifying extra symmetries and by relating its critical exponents to those of the fermion lattice gas by suitable fine tuning of the parameters.
description: 58 pages, 15 figures
title: Hard Days Nights in the Anthropocene
Creators: name: Retallack, Joan
Publisher: name: Electronic Book Review
Year: 2019

description: Exploring the interaction of poetics and language with the discourse of the Anthropocene (through etymologies of various ecological ages, or notions of the “survival of the fittest” and embodiment), Retallack combines poetry and prose to occasionally suspend the essay genre into a reflective and creative endeavour, attempting to encompass the larger cultural efforts of “poets, scientists, philosophers, visual and performance artists, composers of every kind [who are] working on an interconnected project” of ecopoetics. This reprinted essay, first published in Angela Hume and Gillian Osborne's edited collection Ecopoetics: Essays in the Field (Iowa UP, 2018), addresses the major themes of – and suggests the possibility of a vital conversation between – two forthcoming ebr gatherings: 'Essayism', edited by Jason Childs and Joseph Tabbi, and 'Natural Media', edited by Lisa Swanstrom and Eric Dean Rasmussen.
IMPROVING DISTRICT HEALTH MANAGEMENT PERFORMANCE: A NEW FRAMEWORK WITH TOOLS FOR SITUATION ANALYSIS
Creators: name: FONTANA, GABRIELE
Publisher: name: Universit� degli Studi di Milano
Year: 2011

description: In recent decades, The United Nations, national governments, and many international donors and non-governmental organizations have dedicated considerable resources to the achievement of the Millennium Development Goals (MDGs) in low income countries. Special efforts have gone into achieving the health-related MDGs. Early in the process, many realized that health systems in poor countries would have to be strengthened to deliver the services necessary to achieving the MDGs. Recently it has also become clear that to make health systems stronger, it will be paramount to improve the management of the limited available resources and service provision at the local level. The improvement of district health management performance has been recognized as a key element in the complex task of strengthening health systems. This has become even more compelling since the number of countries that have decentralized health systems has increased significantly. While many studies, essays, guidelines and manuals have been published on how to strengthen health systems as a whole, little evidence is available on how to improve the management at the district level. This work contributes to bridging this gap by providing (a) a new theoretical framework that systematizes the main determinants of the performance of district health management teams in a coherent way using WHO approach to health systems; (b) a set of tools for a quick but effective situation analysis with indicators organized by health systems functions that can be used to identify which determinants are falling short and need to be addressed to improve the performance of health district managers on the ground; and (c) a list of possible strategies to resolve the identified deficits that have been reported in the literature to be successful in different contexts. The necessary characteristics for a comprehensive implementation strategy to improve district health management performance are also discussed. The application of the framework and of the analytical tools described in this document has the potential of producing a major improvement in many countries and constitute the strategy forward in this arena for UNCIEF.
Geometric momentum for a particle constrained on a curved hypersurface
Creators: name: Liu, Q. H.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: A strengthened canonical quantization scheme for the constrained motion on a curved hypersurface is proposed with introduction of the second category of fundamental commutation relations between Hamiltonian and positions/momenta, whereas those between positions and moments are categorized into the first. As an $N-1$ ($N\geq2$) dimensional hypersurface is embedded in an N dimensional Euclidean space, we obtain the proper momentum that depends on the mean curvature. For the surface is the spherical one, a long-standing problem on the form of the geometric potential is resolved in a lucid and unambiguous manner, which turns out to be identical to that given by the so-called confining potential technique. In addition, a new dynamical group SO(N,1) symmetry for the motion on the sphere is demonstrated.
description: 5 pages, no figure
Untersuchungen zu den thermodynamischen Stabilitäten, zur Phasenbildung und den Kristallisationsmechanismen von ZIFs
Creators: name: Schröder, Christian Alexander
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2013
Subjects: subject: Zeolite analogous
subject: crystallization
subject: mechanisms of formation
subject: Zeolith-Analoge
subject: Kristallisation
subject: Bildungsmechanismen
subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie

description: [no abstract]
KIMYO VA FIZIKA DARSLARINING  O'ZARO  BOG'LIQLIGI
Creators: name: G'afurova, Gulnoz
name: Safarov, Davron
name: Aminova, Munavvara
Publisher: name: Zenodo
Year: 2023

description: maqolada kimyo va fizika darslarini o'qitishda qo'llaniladigan pedagogik texnologiyalarning qulayligi va ayrim muammolari haqida mulohazalar yuritiladi. Hozirgi kundagi fizik  kimyo fanini o'qitishda uchraydigan o'ziga xos xususiyatlar tahlil qilinadi va zarur tavsiyalar taklif etiladi.
IL REATO D'OBBLIGO
Creators: name: TARANTINO, DORA
Publisher: name: Universit� degli Studi di Milano
Year: 2016

description: This thesis offers an analysis of the "Pflichtdelikte". First, the Author considers the structure of this category and its effects on the german law system: in particular, the distinction between principals and secondary participants. Finally, the Author will analyze the relationship between Pflichtdelikte and italian law system: special attention is paid to the crimes considered by the Criminal Code and the theories concerning complicity.