cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Theoretical analysis of the inverse Edelstein effect at the LaAlO$_3$ / SrTiO$_3$ interface with an effective tight-binding model: Important role of the second $d_{xy}$ subband
Creators: name: Arai, Shoma
name: Kaneta-Takada, Shingo
name: Anh, Le Duc
name: Tanaka, Masaaki
name: Ohya, Shinobu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The two-dimensional electron gas formed at interfaces between SrTiO$_3$ and other materials has attracted much attention since extremely efficient spin-to-charge current conversion has been recently observed at these interfaces. This has been attributed to their complicated quantized multi-orbital structures with a topological feature. However, there are few reports quantitatively comparing the conversion efficiency values between experiments and theoretical calculations at these interfaces. In this study, we theoretically explain the experimental temperature dependence of the spin-to-charge current conversion efficiency using an 8x8 effective tight-binding model considering the second $d_{xy}$ subband, revealing the vital role of the quantization of the multi-band structure.
description: 15 pages, 5 fugures
Physics of Solar Prominences: I - Spectral Diagnostics and Non-LTE Modelling
Creators: name: Labrosse, N.
name: Heinzel, P.
name: Vial, J. -C.
name: Kucera, T.
name: Parenti, S.
name: Gunar, S.
name: Schmieder, B.
name: Kilper, G.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: This review paper outlines background information and covers recent advances made via the analysis of spectra and images of prominence plasma and the increased sophistication of non-LTE (ie when there is a departure from Local Thermodynamic Equilibrium) radiative transfer models. We first describe the spectral inversion techniques that have been used to infer the plasma parameters important for the general properties of the prominence plasma in both its cool core and the hotter prominence-corona transition region. We also review studies devoted to the observation of bulk motions of the prominence plasma and to the determination of prominence mass. However, a simple inversion of spectroscopic data usually fails when the lines become optically thick at certain wavelengths. Therefore, complex non-LTE models become necessary. We thus present the basics of non-LTE radiative transfer theory and the associated multi-level radiative transfer problems. The main results of one- and two-dimensional models of the prominences and their fine-structures are presented. We then discuss the energy balance in various prominence models. Finally, we outline the outstanding observational and theoretical questions, and the directions for future progress in our understanding of solar prominences.
description: 96 pages, 37 figures, Space Science Reviews. Some figures may have a better resolution in the published version. New version reflects minor changes brought after proof editing
Organigramme de la Bibliothèque du roi de 1826
Creators: name: JACQUOT, Olivier
Publisher: name: BnF Comité d'histoire
Year: 2024
Subjects: Bibliothèque nationale de France
Bibliothèque nationale (France)
Organigrammes (organisation)

description: Organigramme de la Bibliothèque du roi de 1826.
Transport through strongly correlated triple quantum dot
Creators: name: Krychowski, D.
name: Antkiewicz, M.
name: Lipiński, S.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Strong electron correlations are discussed for the three capacitively coupled quantum dots, each of which is connected to a separate pair of electrodes. The finite-$U$ mean field slave boson approach is used. The analysis is carried out for both repulsive and attractive intra- and inter-dot interactions. Depending on the ratio and the sign of interaction parameters and occupation, either charge ordered states or different spin, spin-charge and charge Kondo resonances arise.
description: 5 pages, 4 figures
Orbital dynamics of two circumbinary planets around misaligned eccentric binaries
Creators: name: Chen, Cheng
name: Lubow, Stephen H.
name: Martin, Rebecca G.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We investigate the orbital dynamics of circumbinary planetary systems with two planets around a circular or eccentric orbit binary. The orbits of the two planet are initially circular and coplanar to each other, but misaligned with respect to the binary orbital plane. The binary-planet and planet-planet interactions result in complex planet tilt oscillations. We use analytic models and numerical simulations to explore the effects of various values of the planet semi-major axes, binary eccentricity, and initial inclination. Around a circular orbit binary, secular tilt oscillations are driven by planet-planet interactions and are periodic. In that case, planets undergo mutual libration if close together and circulation if far apart with an abrupt transition at a critical separation. Around an eccentric orbit binary, secular tilt oscillations are driven by both planet-planet interactions and binary-planet interactions. These oscillations generally display more than one frequency and are generally not periodic. The transition from mutual planet libration to circulation is not sharp and there is a range of separations for which the planets are on orbits that are sometimes mutually librating and sometimes circulating. In addition, at certain separations, there are resonances for which tilt oscillations are complicated but periodic. For planets that are highly misaligned with respect to an eccentric orbit binary, there are stationary (non-oscillating) tilt configurations that are generalisations of polar configurations for the single planet case. Tilt oscillations of highly inclined planets occur for initial tilts that depart from the stationary configuration.
description: 18 pages, 13 figures
A top-heavy stellar initial mass function in starbursts as an explanation for the high mass-to-light ratios of ultra compact dwarf galaxies
Creators: name: Dabringhausen, J.
name: Kroupa, P.
name: Baumgardt, H.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: It has been shown recently that the dynamical V-band mass-to-light ratios of compact stellar systems with masses from 10^6 to 10^8 Solar masses are not consistent with the predictions from simple stellar population (SSP) models. Top-heavy stellar initial mass functions (IMFs) in these so-called ultra compact dwarf galaxies (UCDs) offer an attractive explanation for this finding, the stellar remnants and retained stellar envelopes providing the unseen mass. We therefore construct a model which quantifies by how much the IMFs of UCDs would have to deviate in the intermediate-mass and high-mass range from the canonical IMF in order to account for the enhanced M/L_V ratio of the UCDs. The deduced high-mass IMF in the UCDs depends on the age of the UCDs and the number of faint products of stellar evolution retained by them. Assuming that the IMF in the UCDs is a three-part power-law equal to the canonical IMF in the low-mass range and taking 20% as a plausible choice for the fraction of the remnants of high-mass stars retained by UCDs, the model suggests the exponent of the high-mass IMF to be approximately 1.6 if the UCDs are 13 Gyr old (i.e. almost as old as the Universe) or approximately 1.0 if the UCDs are 7 Gyr old, in contrast to 2.3 for the Salpeter-Massey IMF. If the IMF was as top-heavy as suggested here, the stability of the UCDs might have been threatened by heavy mass loss induced by the radiation and evolution of massive stars. The central densities of UCDs must have been in the range 10^6 to 10^7 Solar masses per cubic parsec when they formed with star formation rates of 10 to 100 Solar masses per year.
description: 17 pages, 5 figures, accepted for publication in MNRAS. Typo in equation 14 corrected. No consequences for the rest of the paper
Probing the role of magnetic fields in star-forming filaments: NIKA2-Pol commissioning results toward OMC-1
Creators: name: Ajeddig, H.
name: Adam, R.
name: Ade, P.
name: André, P.
name: Artis, E.
name: Aussel, H.
name: Beelen, A.
name: Benoît, A.
name: Berta, S.
name: Bing, L.
name: Bourrion, O.
name: Calvo, M.
name: Catalano, A.
name: De Petris, M.
name: Désert, F. -X.
name: Doyle, S.
name: Driessen, E. F. C.
name: Gomez, A.
name: Goupy, J.
name: Kéruzoré, F.
name: Kramer, C.
name: Ladjelate, B.
name: Lagache, G.
name: Leclercq, S.
name: Lestrade, J. -F.
name: Macías-Pérez, J. -F.
name: Maury, A.
name: Mauskopf, P.
name: Mayet, F.
name: Monfardini, A.
name: Muñoz-Echeverría, M.
name: Perotto, L.
name: Pisano, G.
name: Ponthieu, N.
name: Revéret, V.
name: Rigby, A. J.
name: Ritacco, A.
name: Romero, C.
name: Roussel, H.
name: Ruppin, F.
name: Schuster, K.
name: Shu, S.
name: Sievers, A.
name: Tucker, C.
name: Zylka, R.
name: Shimajiri, Y.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Dust polarization observations are a powerful, practical tool to probe the geometry (and to some extent, the strength) of magnetic fields in star-forming regions. In particular, Planck polarization data have revealed the importance of magnetic fields on large scales in molecular clouds. However, due to insufficient resolution, Planck observations are unable to constrain the B-field geometry on prestellar and protostellar scales. The high angular resolution of 11.7 arcsec provided by NIKA2-Pol 1.15 mm polarimetric imaging, corresponding to $\sim$ 0.02 pc at the distance of the Orion molecular cloud (OMC), makes it possible to advance our understanding of the B-field morphology in star-forming filaments and dense cores (IRAM 30m large program B-FUN). The commissioning of the NIKA2-Pol instrument has led to several challenging issues, in particular, the instrumental polarization or intensity-to-polarization (leakage) effect. In the present paper, we illustrate how this effect can be corrected for, leading to reliable exploitable data in a structured, extended source such as OMC-1. We present a statistical comparison between NIKA2-Pol and SCUBA2-Pol2 results in the OMC-1 region. We also present tentative evidence of local pinching of the B-field lines near Orion-KL, in the form of a new small-scale hourglass pattern, in addition to the larger-scale hourglass already seen by other instruments such as Pol2.
description: 6 pages, 3 figures, conference proceeding
title: Escherichia Coli: Levels Found in Suva Water and the Implications to Fijians: A Case Study of the Vatuwaqa River
Creators: name: Kohler, Hesper D.
Publisher: name: Utah State University
Year: 2013

description: Urban migration is causing a high increase in the population of Suva, Fiji, and the population is growing at a rate that exceeds development planning and infrastructure. Several squatter settlements are established within the city limits where raw sewage, containing infectious pathogens and diseases, is released into the waterways. This study focuses on the area accumulation of the pathogenic bacteria from fecal contamination in the form of E. coli down the Vatuwaga River. E. coli is used as a water quality indicator because, if it is present, other possible pathogens and viruses such as cholera and salmonella could be present. The European Union accepts anything under 200 colonies of E. coli per 100 ml of seawater as safe to eat raw shell fish. Water samples were strategically taken from six sites at areas of surface run off to find the highest source of E. coli. The levels of E. coli colonies found in the Vatuwaga River ranged between 2,500‐50,333 colonies per 100/ml. Though the results showed that the E. coli levels did not accumulate downstream, there was a significant change in E. coli levels after the mangrove forests due to their filtrating root system.
Meaning is Disappearing: Koungraph Was Born Not for Technology, but for Ourselves
Creators: name: Shu, Koun
Publisher: name: Zenodo
Year: 2025
Subjects: Koungraph
semantic structure
language philosophy
personal knowledge systems
meaning fragmentation
note-taking
semantic gravity
system manifesto
AI cognition
cognitive evolution

description: This is the Layer 0 manifesto of the Koungraph system. It introduces the existential motivation behind its creation—not as a software platform or computational tool, but as a semantic space to rescue meaning itself. Starting from the universal experience of fragmented thought and lost intent in note-taking, it builds the emotional and philosophical foundation for a new kind of structure: one where meaning is not stored, but lives, breathes, and evolves.
Quantum cosmological Friedman models with a Yang-Mills field and positive energy levels
Creators: name: Gerhardt, Claus
Publisher: name: arXiv
Year: 2009
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We prove the existence of a spectral resolution of the Wheeler-DeWitt equation when the matter field is provided by a Yang-Mills field, with or without mass term, if the spatial geometry of the underlying spacetime is homothetic to $\R[3]$. The energy levels of the resulting quantum model, i.e., the eigenvalues of the corresponding self-adjoint Hamiltonian with a pure point spectrum, are strictly positive.
description: 9 pages, v3: minor corrections to bring it in line with the published version
Interface roughness transport in THz quantum cascade detectors
Creators: name: Lhuillier, Emmanuel
name: Ribet-Mohamed, Isabelle
name: Rosencher, Emmanuel
name: Patriarche, Gilles
name: Buffaz, Amandine
name: Berger, Vincent
name: Carras, Mathieu
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Infrared Detectors based on a Quantum Cascade have been proposed to suppress the dark current which is identified as a limiting factor in Quantum Well Infrared Photodetectors. Those detectors have been mostly designed for the 3-5um and 8-12um range of wavelength. For detector operating in the THz range a complete change of regime of transport is expected since the photon energy is lower than the Longitudinal Optical (LO) phonon energy. Using a two dimensional code of transport we have identified Interface Roughness (IR) as the key interaction in such a structure. We have used scanning transmission electron microscopy (STEM) to evaluate the IR parameters (magnitude of the roughness and mean distance between defects) instead of the classical mobility measurements. Finally, we used these parameters to study their influence on the resistance of the device.
Additional file 10 of The origins and genomic diversity of American Civil War Era smallpox vaccine strains
Creators: name: Duggan, Ana T.
name: Klunk, Jennifer
name: Porter, Ashleigh F.
name: Dhody, Anna N.
name: Hicks, Robert
name: Smith, Geoffrey L.
name: Humphreys, Margaret
name: McCollum, Andrea M.
name: Davidson, Whitni B.
name: Wilkins, Kimberly
name: Li, Yu
name: Burke, Amanda
name: Polasky, Hanna
name: Flanders, Lowell
name: Poinar, Debi
name: Raphenya, Amogelang R.
name: Lau, Tammy T. Y.
name: Alcock, Brian
name: McArthur, Andrew G.
name: Golding, G. Brian
name: Holmes, Edward C.
name: Poinar, Hendrik N.
Publisher: name: figshare
Year: 2020
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Virology

description: Additional file 10: Figure S5. Partitioned maximum likelihood analysis of OPXV.
title: Curds and Whey: Little Miss Muffit's Contribution to Multivariate Linear Regression
Creators: name: Kidd, John Cameron
Publisher: name: Utah State University
Year: 2013

description: A common multivariate statistical problem is the prediction of two or more response variables using two or more predictor variables. The simplest model for this situation is the multivariate linear regression model. The standard least squares estimation for this model involves regressing each response variable separately on all the predictor variables. Breiman and Friedman [1] show how to take advantage of correlations among the response variables to increase the predictive accuracy for each of the response variable with an algorithm they call Curds and Whey. In this report, I describe an implementation of the Curds and Whey algorithm in the R language and environment for statistical computing [6], apply the algorithm to some example data sets, and discuss extensions of the algorithm to linear classification methods.
Aegean Exporters' Associations comments submitted to the public consultation on the draft risk assessment of aflatoxins in food
Creators: name: Aegean Exporters' Associations
Publisher: name: Zenodo
Year: 2020
Subjects: subject: aflatoxin
subject: risk assessment
subject: public consultation
subject: Turkey
subject: http://id.agrisemantics.org/gacs/C1470

description: This file was submitted by the Aegean Exporters’ Associations, together with their contribution to the public consultation launched in October 2019 by the European Food Safety Authority on the draft risk assessment of aflatoxins in food.
description: EU; XLS; biocontam@efsa.europa.eu
Precision spectral manipulation of optical pulses using a coherent photon echo memory
Creators: name: Buchler, B. C.
name: Hosseini, M.
name: Hétet, G.
name: Sparkes, B. M.
name: Lam, P. K.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Photon echo schemes are excellent candidates for high efficiency coherent optical memory. They are capable of high-bandwidth multi-pulse storage, pulse resequencing and have been shown theoretically to be compatible with quantum information applications. One particular photon echo scheme is the gradient echo memory (GEM). In this system, an atomic frequency gradient is induced in the direction of light propagation leading to a Fourier decomposition of the optical spectrum along the length of the storage medium. This Fourier encoding allows precision spectral manipulation of the stored light. In this letter, we show frequency shifting, spectral compression, spectral splitting, and fine dispersion control of optical pulses using GEM.
Large-scale Graphitic Thin Films Synthesized on Ni and Transferred to Insulators: Structural and Electronic Properties
Creators: name: Cao, Helin
name: Yu, Qingkai
name: Colby, Robert
name: Pandey, Deepak
name: Park, C. S.
name: Lian, Jie
name: Zemlyanov, Dmitry
name: Childres, Isaac
name: Drachev, Vladimir
name: Stach, Eric A.
name: Hussain, Muhammad
name: Li, Hao
name: Pei, Steven S.
name: Chen, Yong P.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present a comprehensive study of the structural and electronic properties of ultrathin films containing graphene layers synthesized by chemical vapor deposition (CVD) based surface segregation on polycrystalline Ni foils then transferred onto insulating SiO2/Si substrates. Films of size up to several mm's have been synthesized. Structural characterizations by atomic force microscopy (AFM), scanning tunneling microscopy (STM), cross-sectional transmission electron microscopy (XTEM) and Raman spectroscopy confirm that such large scale graphitic thin films (GTF) contain both thick graphite regions and thin regions of few layer graphene. The films also contain many wrinkles, with sharply-bent tips and dislocations revealed by XTEM, yielding insights on the growth and buckling processes of the GTF. Measurements on mm-scale back-gated transistor devices fabricated from the transferred GTF show ambipolar field effect with resistance modulation ~50% and carrier mobilities reaching ~2000 cm^2/Vs. We also demonstrate quantum transport of carriers with phase coherence length over 0.2 $μ$m from the observation of 2D weak localization in low temperature magneto-transport measurements. Our results show that despite the non-uniformity and surface roughness, such large-scale, flexible thin films can have electronic properties promising for device applications.
description: This version (as published) contains additional data, such as cross sectional TEM images
Some Thoughts on Communist Internationalism
Creators: name: Wirsching, Andreas
Publisher: name: Moving the Social
Year: 2016

description: After the Bolshevik revolution of 1917, Lenin’s and Trotsky’s declared aim was world revolution. Even when Stalin declared his policy of ‘socialism in one country’, the Communist International did not cease to seek to influence developments in other parts of the world. When the Soviet Union established itself as one of the leading superpowers in the bipolar world of the Cold War after 1945, the Soviet Union was the motherland of the revolution and ‘big brother’ to communist regimes in Eastern Europe and other parts of the world as well as the sponsor of communist revolutionaries in many parts of the developing world. The tensions between Soviet nationalism and communist internationalism shall be explored in this chapter. Especially, it will ask whether communist internationalism was a mere tool in the foreign policy of the Soviet Union or whether it was more. And it shall explore the vexed question of how much independence from the Soviet Union communist parties enjoyed. Furthermore it will examine the Communist International as a transnational life experience and communicative space for its protagonists, and it will propose some lieux de mémoire of communist internationalism.
description: Moving the Social, Vol 55 (2016): Moving the Social. The Internationalism of Social Movements
Contactless 2-dimensional laser sensor for 3-dimensional wire position and tension measurements
Creators: name: Prall, Matthias
name: Hannen, V.
name: Joehren, R.
name: Ortjohann, H. W.
name: Reinhardt, M.
name: Weinheimer, Ch.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: We have developed a contact-free 2-dimensional laser sensor with which the position of wires can be measured in 3 dimensions with an accuracy of better than 10 micrometer and with which the tension of the wires can be determined with an accuracy of 0.04 N. These measurements can be made from a distance of 15 cm. The sensor consists of commercially available laser pointers, lenses, color filters and photodiodes. In our application we have used this laser sensor together with an automated 3 dimensional coordinate table. For a single position measurement, the laser sensor is moved by the 3-dimensional coordinate table in a plane and determines the coordinates at which the wires intersect with this plane. The position of the plane itself (the third coordinate) is given by the third axis of the measurement table which is perpendicular to this plane. The control and readout of the table and the readout of the laser sensor were realized with LabVIEW. The precision of the position measurement in the plane was determined with wires of 0.2 mm and 0.3 mm diameter. We use the sensor for the quality assurance of the wire electrode modules for the KATRIN neutrino mass experiment. We expect that the precision is at least comparable or better if the wires are thinner. Such a device could be well suited for the measurement of wire chamber geometries even with more than one wire layer.
description: 15 pages, 8 figures
title: Analysis of an Inkjet Printed Strip Assay for Pregnancy Test in Cattle
Creators: name: Kelley, Alexandra Windley
Publisher: name: Utah State University
Year: 2013

description: Using commercially available antibodies, we created a modified ELISA strip assay to determine pregnancy in cattle. The anti‐progesterone antibody was printed on small membrane strips via an Inkjet printer. The strips were subsequently analyzed using varying concentrations of progesterone. The objective of this study was to assess this novel antibody printing process and to determine the binding activity of the anti‐progesterone antibody. The long‐term objective is to develop a pen-side pregnancy test that would cost less than $1.00. In this specific study, it was determined that the anti‐progesterone antibody used did not provide adequate sensitivity for visualization required for pen‐side analysis. Additional studies will assess the sensitivity of other anti‐progesterone antibodies and the possible implementation of amplification steps.
Half-metallic Ferromagnets, Spin Gapless Semiconductors, and Topological Semimetals Based on Heusler Alloys
Creators: name: Marchenkov, V. V.
name: Irkhin, V. Yu.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: A review of theoretical and experimental studies of the electronic structure, electronic and magnetic properties of various systems of Heusler alloys in the states of a half-metallic ferromagnet, a spin gapless semiconductor, and a topological semimetal is presented. These substances have unusual, highly sensitive to external influences, magnetic and electronic characteristics, which is associated with the presence of energy gaps and exotic excitations in them. The features of the behavior and evolution of the electronic structure and properties in each of these states, as well as during the transition between them, are considered. The possibility to purposefully control the properties of such materials is prospective for their practical application.
description: 42 pages, pdf
Lau fish taxonomy
Creators: name: Tyhurst, Catherine H.
Publisher: name: University of British Columbia
Year: 2010

description: This thesis is a preliminary attempt to consolidate materials pertaining to Lau fish taxonomy (North Malaita, Solomon Islands). Data utilized come from two sources: those collected by Maranda and Maranda (1966-1968) and those collected by the author during a two-month field period (October-December 1975). Two approaches to the analysis of terminological systems are explored first. A general description of the Lau Taxonomic Universe follows in which the major components are indicated. The focus then shifts to a more detailed discussion of Lau Fish taxonomy. Material presented here takes three forms: (1) A comprehensive list of fish identified according to biological classifications. (2) A summary of data obtained from informants' Memory Lists of fish names. The problems of taxonomic inclusion and equivalence are considered. (3) A discussion of those data traditionally regarded as "Non-Taxonomic Terminology". Distinctive Features are then considered and some examples given. Upper Level Taxa are discussed first. Following this, the Features and Criteria for the classification of Lower Level Taxa are outlined. Suggestions for further inquiry and propositions concerning analytical avenues constitute the final portion of this presentation.
title: Análisis de costes en el área de imagen médica en los hospitales del Grupo Oligopsonio. Resultados iniciales.
Creators: name: Martí-Bonmatí, Luis
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Statistics
subject: FOS: Mathematics
subject: Socio-economic issues
subject: Outcomes analysis
subject: CT
subject: MR
subject: Conventional radiography
subject: Management

description: Objetivos
Material y método
Resultados
Conclusiones
Bibliografía
description: Objetivos:
El objetivo principal es llevar a cabo un análisis de costes en el área de imagen médica de varios hospitales españoles. Como objetivos específicos: Conocer el nivel de actividad de los hospitales. Obtener los costes de las pruebas. Comparar...
Diffuse-Charge Effects on the Transient Response of Electrochemical Cells
Creators: name: van Soestbergen, M.
name: Biesheuvel, P. M.
name: Bazant, M. Z.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We present theoretical models for the time-dependent voltage of an electrochemical cell in response to a current step, including effects of diffuse charge (or "space charge") near the electrodes on Faradaic reaction kinetics. The full model is based on the classical Poisson-Nernst-Planck equations with generalized Frumkin-Butler-Volmer boundary conditions to describe electron-transfer reactions across the Stern monolayer at the electrode surface. In practical situations, diffuse charge is confined to thin diffuse layers (DLs), which poses numerical difficulties for the full model but allows simplification by asymptotic analysis. For a thin quasi-equilibrium DL, we derive effective boundary conditions on the quasi-neutral bulk electrolyte at the diffusion time-scale, valid up to the transition time, where the bulk concentration vanishes due to diffusion limitation. We integrate the thin DL problem analytically to obtain a set of algebraic equations, whose (numerical) solution compares favorably to the full model. In the Gouy-Chapman and Helmholtz limits, where the Stern layer is thin or thick compared to the DL, respectively, we derive simple analytical formulae for the cell voltage versus time. The full model also describes the fast initial capacitive charging of the DLs and super-limiting currents beyond the transition time, where the DL expands to a transient non-equilibrium structure. We extend the well-known Sand equation for the transition time to include all values of the super-limiting current beyond the diffusion-limiting current.
Additional file 15 of The origins and genomic diversity of American Civil War Era smallpox vaccine strains
Creators: name: Duggan, Ana T.
name: Klunk, Jennifer
name: Porter, Ashleigh F.
name: Dhody, Anna N.
name: Hicks, Robert
name: Smith, Geoffrey L.
name: Humphreys, Margaret
name: McCollum, Andrea M.
name: Davidson, Whitni B.
name: Wilkins, Kimberly
name: Li, Yu
name: Burke, Amanda
name: Polasky, Hanna
name: Flanders, Lowell
name: Poinar, Debi
name: Raphenya, Amogelang R.
name: Lau, Tammy T. Y.
name: Alcock, Brian
name: McArthur, Andrew G.
name: Golding, G. Brian
name: Holmes, Edward C.
name: Poinar, Hendrik N.
Publisher: name: figshare
Year: 2020
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Virology

description: Additional file 15: Figures S8–10. VK01 coverage relative to Copenhagen VACV strain M35027, GRI90 CPXV strain X93455, and Horsepox strain DQ792504.
Effect of hemp fibre length on the properties of polypropylene composites
Creators: name: Alao, P.F.
name: Kallakas, H.
name: Poltimäe, T.
name: Kers, J.
Publisher: name: Agronomy Research
Year: 2019
Subjects: Hemp fibre
interfacial bonding
polymer composite
modification
polypropylene
fibre length
moisture content
mechanical properties
article

description: Hemp fibre (HF) is a natural fibre that has gained increased application in interior material for automobile industries (Sanjay, et al., 2016). However, good interfacial bonding between fibre/matrix is necessary to enhance the mechanical properties of the composite (Pickering, et al., 2007). This study focuses on the effect of fibre length, alkali and silane treatments on the mechanical and physical properties of hemp fibre reinforced polypropylene composites. Compression moulding technique was used to produce the composite, fibre lengths of 50, 100 and 150 mm were selected and combined with polypropylene powder at a fibre/PP ratio of 60/40%, a pressure of 1.67 MPa and temperature between 160–200 °C. The results obtained show that longer fibres enhanced mechanical strength. The tensile test result, for instance, shows a 21% increase in flexural strength at 150 mm compared to the fibre length of 50 mm. The modification resulted in a 46% decrease in strength, especially for 150 mm long fibres. This may have been as a result of fibre damage, inadequate modification, less quality fibre or higher initial moisture content in the modified fibres as observed from FTIR spectroscopy. Further investigation of these factors is required to be able to conclusively determine if they may have affected the mechanical performance (Alao, 2018).
Coupled structural and magnetic properties of ferric fluoride nanostructures part I: a Metropolis atomistic study
Creators: name: Fongang, B.
name: Labaye, I.
name: Zekeng, S.
name: Calvayrac, F.
name: Greneche, J. M.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: A modified Metropolis atomistic simulation is proposed to model the structure of grain boundaries (GBs) and interfaces in ionic nanostructured systems and is applied to the magnetically interesting case of iron trifluoride (FeF3). We chose long-range interatomic potentials adjusted on experimental results, and adapted a previously established Monte Carlo scheme consisting of various modifications of the simulated annealing/ Metropolis algorithm. Atomic structures of twisted and tilted GBs as a function of the relative disorientation of the grains have been achieved yielding close to experimentally measured properties. This approach takes into account the structure of the grains far from the interface in order to constrain the relative orientation of the grains, without any periodic boundary conditions. One concludes that a long-range coulombic falloff of the interatomic potentials is necessary to obtain GB structures presenting a correct local topology but with a smooth transition from crystalline to amorphous states. The structural features are finally discussed in terms of topological aspects and local magnetic structure.
description: submitted to JMMM
title: Detección de drenajes venosos pulmonares anómalos parciales en pacientes adultos con hipertensión pulmonar. Importancia del estudio con tomografía computarizada multidetector.
Creators: name: Veitia Sarmiento, Alina
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Cardiac
subject: Thorax
subject: CT
subject: CT-Angiography

description: Objetivos
Material y método
Resultados
Conclusiones
Bibliografía
description: Objetivos:
Los drenajes venosos pulmonares anómalos parciales (DVPAP) son un grupo poco frecuente de anomalías del desarrollo.
Consisten en una conexión anormal entre las venas pulmonares y la aurícula derecha o sus venas tributarias,
que origina un...
title: Narrative Development in Preschool and School-Age Children
Creators: name: Hegsted, Sara
Publisher: name: Utah State University
Year: 2013

description: Children hear and use narratives in a variety of contexts including school, social situations, and at home. A narrative is a form of discourse that is used to tell the listener what happened in a temporally sequenced, agent-focused way, and these stories can be a production of a real or fictional account. Speech language pathologists take a particular interest in children's narrative abilities because children's story telling capabilities play a large role in language acquisition as well as future academic success, especially literacy. The following literature review seeks to synthesize information on narrative development, production, and intervention from the perspective of speech language pathologists. This article will discuss the importance of narratives, narrative structure, and a variety of narrative intervention techniques. Because it is difficult for a child to generalize language goals to settings outside of the therapy room without additional support, applications for both parents and teachers to continue working on narrative language goals will also be discussed.
Farm health and safety adoption through engineering and behaviour change
Creators: name: McNamara, J.
name: Griffin, P.
name: Phelan, J.
name: Field, W.E.
name: Kinsella, J.
Publisher: name: Agronomy Research
Year: 2019
Subjects: agriculture
accident
osh
causation
communications
hazard
article

description: The agriculture sector is one of the most hazardous occupations worldwide. The EU farming population is predominantly self-employed, who are largely outside the scope of EU occupational safety and health (OSH) legislation. Utilising effective communications approaches to transmit clear messages is a possible way of motivating farmer OSH adoption. The Public Health Model (PHM) of accident causation conceptualises an accident as occurring due to multiple interacting physical and human factors while the Social-Ecologic Framework enhances the PHM by defining various levels of the social environment which are influential on persons’ OSH actions. A knowledge gap exists in how farmers conceptualise accident causation. The aim of this study is to report findings of a Score Card exercise conducted among Irish farmers (n = 1,151) to reveal knowledge on farmers’ conceptualisation of accident causation where farmers ranked in order of importance up to five causes of farm accidents. First ranked items related to ‘machinery/ vehicles’, ‘organisational’ and ‘livestock’ as accident causation factors (92%). Overall rankings for up to five ranked causes identified six causes: ‘machinery/ vehicles’, ‘organisational’, ‘livestock’, ‘slurry related’, ‘trips, falls, buildings-related’ and ‘electrical’ (96.5%). The study data indicated that farmers’ perceptions of accident causes were inaccurate when compared with objective fatal farm accident data. The study concluded that communicating accurate and contemporary OSH messages to farmers has potential to assist with farm accident prevention. Based on the multiple and interacting risk factors arising in agriculture it is suggested that more elaborate study of farm accident prevention is warranted.
A REVIEW ARTICLE ON RECENT CHANGES IN FLUOROQUINOLONES
Creators: name: E. Honey*, T. Shiva Sai
Publisher: name: Zenodo
Year: 2024

description: Quinolones are potent antimicrobial agents with a basic chemical structure of bicyclic ring. Fluorine atom at position C-6 and various substituents on basic quinolone structure, namely norfloxacin, ciprofloxacin, levofloxacin and other agents and target molecules of quinolones and fluoroquinolones are bacterial gyrase and topoisomerase IV enzymes. Fluoroquinolones introduced in clinical trials namely avarofloxacin, delafloxacin, Finafloxacin, zabofloxacin and nonfluorinated nemonoxacin.

Fluoroquinolones endure of the most important kind of antibacterial agents and the emergence of more virulent and resistant strains of bacteria by development of mutated DNA, binding proteins, efflux pump mechanism. The new generations of fluoroquinolones with a spectrum activity includes Gram +Ve Gram -Ve and atypical bacteria. Many fluoroquinolones have other biological effects such as anti-HIV, anti-fungal, anti-plasmodic and anti-tumor activity.

Keywords: Chemical structure, Clinical trials, Pharmacokinetics, Quinolones, Safety, Tolerability, Toxicity
title: Utilizing Single Nucleotide Polymorphism Analysis in Determining Parentage of Cattle
Creators: name: Elbert, Nicole M.
Publisher: name: Utah State University
Year: 2013

description: Parentage identification within cattle herds is an important aspect of record keeping. It is essential for accurate registration within a purebred association and decision making for production purposes, such as replacement heifer and sire selection. Methods used to identify parentage have evolved from utilizing blood protein antigens, restriction fragment length polymorphism (RFLP) and microsatellites to the current technology of analyzing DNA profiles for differing single nucleotide polymorphisms (SNPs). In this preliminary study we analyzed genotype data from 1,066 samples obtained from various cattle breeds. These breeds included Holstein, Angus, Hereford, Irish Black, Jersey, Red Angus, Limousine, Charolais, Brown Swiss and Maine-Anjou. Samples were analyzed using parentage calling software (Cervus 3.0 and SireMatch 2.0) utilizing the 88 SNP parentage-testing panel from Fluidigm®. Of the 1,066 offspring samples submitted, 789 were verified by DNA identification to match herd records submitted by producers, indicating that 277 herd records were incorrect. Beyond parentage identification, future efforts employing SNP technology will include creating reduced SNP panels to determine the heritability of qualitative traits desirable to the beef cattle industry, such as marbling and tenderness.
Ranks of twists of elliptic curves and Hilbert's Tenth Problem
Creators: name: Mazur, Barry
name: Rubin, Karl
Publisher: name: arXiv
Year: 2009
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11G05, 11U05, 11R11

description: In this paper we investigate the 2-Selmer rank in families of quadratic twists of elliptic curves over arbitrary number fields. We give sufficient conditions on an elliptic curve so that it has twists of arbitrary 2-Selmer rank, and we give lower bounds for the number of twists (with bounded conductor) that have a given 2-Selmer rank. As a consequence, under appropriate hypotheses we can find many twists with trivial Mordell-Weil group, and (assuming the Shafarevich-Tate conjecture) many others with infinite cyclic Mordell-Weil group. Using work of Poonen and Shlapentokh, it follows from our results that if the Shafarevich-Tate conjecture holds, then Hilbert's Tenth Problem has a negative answer over the ring of integers of every number field.
description: Minor changes. To appear in Inventiones mathematicae
Nonclassicality of photon-added squeezed vacuum and its decoherence in thermal environment
Creators: name: Hu, Li-yun
name: Fan, Hong-yi
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the nonclassicality of photon-added squeezed vacuum (PASV) and its decoherence in thermal environment in terms of the sub-Poissonian statistics and the negativity of Wigner function (WF). By converting the PASV to a squeezed Hermite polynomial excitation state, we derive a compact expression for the normalization factor of m-PASV, which is an m-order Legendre polynomial of squeezing parameter r. We also derive the explicit expression of WF of m-PASV and find the negative region of WF in phase space. We show that there is an upper bound value of r for this state to exhibit sub-Poissonian statistics increasing as m increases. Then we derive the explicit analytical expression of time evolution of WF of m-PASV in the thermal channel and discuss the loss of nonclassicality using the negativity of WF. The threshold value of decay time is presented for the single PASV.
description: 14 pages and 7 figures
MANUAL DE ÉTICA DEL PSICÓLOGO URC.pdf
Creators: name: Guerrero, Lore
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 520303
subject: Counselling psychology
classificationCode: 520302
subject: Clinical psychology

description: Manual de ética del psicólogo, es un documento que argargumenta sobre las buenas prácticas que deberian tener los psicólogos en formacion y ya titulados.
High-order harmonic generation from polyatomic molecules including nuclear motion and a nuclear modes analysis
Creators: name: Madsen, C. B.
name: Abu-samha, M.
name: Madsen, L. B.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: We present a generic approach for treating the effect of nuclear motion in the high-order harmonic generation from polyatomic molecules. Our procedure relies on a separation of nuclear and electron dynamics where we account for the electronic part using the Lewenstein model and nuclear motion enters as a nuclear correlation function. We express the nuclear correlation function in terms of Franck-Condon factors which allows us to decompose nuclear motion into modes and identify the modes that are dominant in the high-order harmonic generation process. We show results for the isotopes CH$_4$ and CD$_4$ and thereby provide direct theoretical support for a recent experiment [Baker {\it et al.}, Science {\bf 312}, 424 (2006)] that uses high-order harmonic generation to probe the ultra-fast structural nuclear rearrangement of ionized methane.
description: 6 pages, 6 figures
Applications for CryoSat2 satellite magnetic data in studies of Earth's core field variations
Creators: name: Hammer, Magnus Danel
name: Finlay, Christopher C.
name: Olsen, Nils
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: We use 20 years of magnetic field measurements from the Oersted, CHAMP and Swarm satellite missions, supplemented by calibrated platform magnetometer data from the CryoSat2 satellite, to study time variations of the Earth's core field at satellite altitude and at the core-mantle boundary (CMB). From the satellite data we derive composite time series of the core field secular variation (SV) with 4month cadence, at 300 globally distributed Geomagnetic Virtual Observatories (GVO). GVO radial SV series display regional fluctuations with 5-10 years duration and amplitudes reaching 20 nT/yr, most notably at low latitudes over Indonesia (2014), over South America and the South Atlantic (2007, 2011 and 2014), and over the central Pacific (2017). Applying the Subtractive Optimally Localized Averages (SOLA) method, we map the SV at the CMB as a collection of locally averaged SV estimates. We demonstrate that using 2-year windows of CryoSat2 data, it is possible to reliably estimate the SV and its time derivative, the secular acceleration (SA), at the CMB, with a spatial resolution, corresponding to spherical harmonic degree 10. Along the CMB geographic equator, we find strong SA features under Indonesia from 2011-2014, under central America from 2015 to 2019, and sequences of SA with alternating sign under the Atlantic during 2004-2019. We find that data from CryoSat2 make a valuable contribution to the emerging picture of sub-decadal core field variations. Using 1 year windows of data from the Swarm satellites, it is possible to study SA changes at low latitudes on timescales down to 1 year, with spatial resolution corresponding to spherical harmonic degree 10. We find strong positive and negative SA features appearing side-by-side in the Pacific in 2017, and thereafter drift westward.
title: Artefacto Twinkling: signo sugestivo de benignidad en ecografía mamaria
Creators: name: Páramo, María
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Calcifications / Calculi
subject: Diagnostic procedure
subject: Ultrasound
subject: Breast

description: Objetivos
Material y método
Resultados
Conclusiones
Bibliografía
description: Objetivos:
[ Fig. 1 ] 1.- Evaluar mediante ultrasonidos con modo Doppler color la presencia del Artefacto Twinkling (AT) [ Fig. 2 ]en las calcificaciones mamarias detectadas en mamografía con correlación ecográfica. 2.- Analizar si este signo aporta más...
title: Diagnóstico diferencial de las masas pulmonares no neoplásicas.
Creators: name: Muñoz Colindres, Ilytch
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Lung
subject: Thorax
subject: CT
subject: Education

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Revisar las múltiples entidades no neoplásicas que pueden presentarse como masas...