cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Additional file 1 of Smallholder access to purchased seeds in the presence of pervasive market imperfections and rainfall shocks: panel data evidence from Malawi and Ethiopia
Creators: name: Makate, Clifton
name: Angelsen, Arild
name: Holden, Stein Terje
name: Westengen, Ola Tveitereid
Publisher: name: figshare
Year: 2024
Subjects: subject: Medicine
subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Information Systems not elsewhere classified
subject: Cancer
subject: Science Policy

description: Supplementary Material 1.
Optimal time sharing in underlay cognitive radio systems with RF energy harvesting
Creators: name: Rakovic, Valentin
name: Denkovski, Daniel
name: Hadzi-Velkov, Zoran
name: Gavrilovska, Liljana
Publisher: name: arXiv
Year: 2015
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: Due to the fundamental tradeoffs, achieving spectrum efficiency and energy efficiency are two contending design challenges for the future wireless networks. However, applying radio-frequency (RF) energy harvesting (EH) in a cognitive radio system could potentially circumvent this tradeoff, resulting in a secondary system with limitless power supply and meaningful achievable information rates. This paper proposes an online solution for the optimal time allocation (time sharing) between the EH phase and the information transmission (IT) phase in an underlay cognitive radio system, which harvests the RF energy originating from the primary system. The proposed online solution maximizes the average achievable rate of the cognitive radio system, subject to the $\varepsilon$-percentile protection criteria for the primary system. The optimal time sharing achieves significant gains compared to equal time allocation between the EH and IT phases.
description: Proceedings of the 2015 IEEE International Conference on Communications (IEEE ICC 2015), 8-12 June 2015, London, UK
Lithium abundance in a sample of solar-like stars
Creators: name: López-Valdivia, R.
name: Hernández-Águila, J. B.
name: Bertone, E.
name: Chávez, M.
name: de Miera, F. Cruz-Saenz
name: Amazo-Gómez, E. M.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We report on the determination of the lithium abundance [A(Li)] of 52 solar-like stars. For 41 objects the A(Li) here presented corresponds to the first measurement. We have measured the equivalent widths of the 6708Å lithium feature in high-resolution spectroscopic images ($R \sim 80\,000$), obtained at the Observatorio Astrofísico Guillermo Haro (Sonora, Mexico), as part of the first scientific observations of the revitalized Lunar and Planetary Laboratory (LPL) Echelle Spectrograph, now known as the Cananea High-resolution Spectrograph (CanHiS). Lithium abundances were derived with the Fortran code MOOG, using as fundamental input a set of atmospheric parameters recently obtained by our group. With the help of an additional small sample with previous A(Li) determinations, we demonstrate that our lithium abundances are in agreement, to within uncertainties, with other works. Two target objects stand out from the rest of the sample. The star BD+47 3218 ($T_{\rm eff}$ = 6050$\pm$52 K, A(Li) = 1.86$\pm$ 0.07 dex) lies inside the so-called lithium desert in the the A(Li)--$T_{\rm eff}$ plane. The other object, BD+28 4515, has an A(Li) = 3.05$\pm$0.07 dex, which is the highest of our sample and compatible with the expected abundances of relatively young stars.
description: Accepted for MNRAS main journal. 8 pages and 5 figures
Factors Associated with Retention in Opioid Agonist Treatment: A Mixed-Methods Approach
Creators: name: O'Connor, Aisling
Publisher: name: Royal College of Surgeons in Ireland
Year: 2022
Subjects: subject: 110319 Psychiatry (incl. Psychotherapy)
subject: FOS: Clinical medicine
subject: 110321 Rehabilitation and Therapy (excl. Physiotherapy)

description: Background: The overall aim was to investigate factors associated with treatment retention and dropout in opioid antagonist treatment (OAT) through a mixed-methods approach.
Methods: This thesis consists of three studies; a systematic review to identify factors associated with retention/dropout in OAT according to the Maudsley Addiction Profile, followed by a six month prospective cohort study in a specialist treatment setting in Ireland exploring factors associated with dropout, and finally a qualitative study with service users and providers exploring barriers and facilitators to retention.
Results: The systematic review included 67 articles across 21 countries with varying definitions of retention/dropout. The median retention rate was 57% at 12-months (n=37) and 38.4% at three years (n=8). Older age and higher doses were associated with increased retention in the majority of studies. Studies investigating substance use, negative attitudes to MMT, criminal activity and arrests/incarceration found them to be associated with reduced retention. Of 117 participants in the cohort study, excluding five lost to follow-up, 5% (n=6) had dropped out at six-months. Analysis was limited given the sample size and dropout rate, however, IV drug use showed evidence of an association with dropout (p=0.027). In the qualitative study, with data collected from 14 service users and eight service providers, social support, self-motivation and familial incentives were identified as facilitators to retention. Furthermore, areas for improvement in order to facilitate retention included the therapeutic relationship, views of OAT and a disparity in goals set.
Conclusion: Overall, this thesis adds to the body of evidence investigating factors associated with retention in OAT among adults. Principal findings of the systematic review highlighted heterogeneity in the definition and measurement of retention, making it difficult to compare studies. Despite this, younger age, substance use, lower doses of methadone, criminal activity/incarceration, and negative attitudes to MMT appeared to be associated with reduced retention. The cohort study identified a high retention rate at six-months with evidence of an increase in IV drug use in those who dropped out. Finally, barriers to retention were identified, with some consensus between service users and providers regarding opportunities for improvement. Future research is required to develop a consensus on the definition of retention and further explore circumstances leading participants to dropout of OAT.
Enhancing delivery of poorly water-soluble drugs by innovative amorphous solid dispersions
Creators: name: Jermain, Scott Victor
name: 0000-0002-3602-7091
Publisher: name: The University of Texas at Austin
Year: 2020
Subjects: Amorphous solid dispersion
Poorly water-soluble
KinetiSol
Hot melt extrusion
Spray drying

description: Poorly water-soluble drugs continue to dominate today’s drug development pipelines, and thus a multitude of technologies and solubility-enhancing methodologies have been commercialized to address this issue. One-such methodology to enhance the solubility of poorly water-soluble drugs is the development of amorphous solid dispersions. What was once considered a risky method of drug delivery (due to lack of drug kinetic stability in its amorphous state), formulating drugs as amorphous solid dispersions has grown significantly over the past two decades. Two amorphous solid dispersion-producing technologies have become well-understood for the development and successful delivery of poorly water-soluble drugs, and thus an overwhelming majority of commercialized amorphous solid dispersion products are processed by these two technologies; hot melt extrusion and spray drying. Each technology has distinct advantages and disadvantages, and thus many poorly water-soluble drugs are unable to process by either technology using conventional techniques. Thus, novel utilization of excipients and processing methods is necessary to continually expand the formulation design space. Furthermore, the development and commercialization of novel amorphous solid dispersion-producing technologies is necessary to further-expand the formulation design space. Therefore, the following research is an effort to expand the formulation design space of poorly water-soluble drugs while forming amorphous solid dispersions. The following research focuses on continued innovation in the field of amorphous solid dispersions to enhance the bioavailability of poorly water-soluble drugs. These research directions demonstrate innovative use of an ordinary excipient to enhance delivery of amorphous solid dispersions processed by hot melt extrusion. Additionally, these studies demonstrate the use (and further understanding) of a novel technology, KinetiSol, that allows for processing amorphous solid dispersions without the necessity of external thermal input or solvent(s). KinetiSol-processed materials are compared with spray dried materials to evaluate the kinetics behind drug release of a weakly basic drug processed with an ionic polymer, and findings from this study will be essential for future delivery of amorphous solid dispersions of weakly basic drugs in ionic polymers
Detection of a weak magnetic field via cavity enhanced Faraday rotation
Creators: name: Xia, Keyu
name: Zhao, Nan
name: Twamley, Jason
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the sensitive detection of a weak static magnetic field via Faraday rotation induced by an ensemble of spins in a bimodal degenerate microwave cavity. We determine the limit of the resolution for the sensitivity of the magnetometry achieved using either single-photon or multiphoton inputs. For the case of a microwave cavity containing an ensemble of Nitrogen-vacancy defects in diamond, we obtain a magnetometry sensitivity exceeding $0.5~\text{\nano\tesla}/\sqrt{\text{\hertz}}$, utilizing a single photon probe field, while for a multiphoton input we achieve a sensitivity about $1 \text{\femto\tesla}/\sqrt{\text{\hertz}}$, using a coherent probe microwave field with power of $P_\text{in}=1~\text{\nano\watt}$.
description: 8 pages, 7 figures
L'indennità di espropriazione in Francia
Creators: name: Coletta, Attilio
Publisher: name: Aestimum
Year: 2009

description: Main infrastructure projects have several transnational impacts. Therefore a growing effort toward the harmonisation of procedures, financial arrangements, laws and technical standards is required. The work focuses on current expropriation procedures in France, investigating valuation aspects of both rural and urban areas. French laws support for a fast conclusion of the expropriation process thank to the centralisation of administrative and appraisal power in the person of the expropriation judge. Assessment rules tend indeed to equate the expropriation allowance to the real damage caused to private owners, by means of a wide range of additional benefits, although the comparison with recent agreements between public subjects and private owners is priviledged as well as fiscal property assessments.
description: Aestimum, Aestimum 47 (2005)
Additional file 8 of Signals of positive selection in genomes of palearctic Myotis-bats coexisting with a fungal pathogen
Creators: name: Twort, V. G.
name: Laine, V. N.
name: Field, K. A.
name: Whiting-Fawcett, F.
name: Ito, F.
name: Reiman, M.
name: Bartonicka, T.
name: Fritze, M.
name: Ilyukha, V. A.
name: Belkin, V. V.
name: Khizhkin, E. A.
name: Reeder, D. M.
name: Fukui, D.
name: Jiang, T. L.
name: Lilley, T. M.
Publisher: name: figshare
Year: 2024
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics

description: Supplementary Material 8
Strongly bound excitons dominate electronic relaxation in resonantly excited twisted bilayer graphene
Creators: name: Patel, Hiral
name: Brown, Lola
name: Liang, Yufeng
name: Yang, Li
name: Park, Jiwoong
name: Graham, Matt W.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: When two sheets of graphene stack in a twisted bilayer graphene (tBLG) configuration, the resulting constrained overlap between interplanar 2p orbitals produce angle-tunable electronic absorption resonances. Using a novel combination of multiphoton transient absorption (TA) microscopy and TEM, we resolve the resonant electronic structure, and ensuing electronic relaxation inside single tBLG domains. Strikingly, we find that the transient electronic population in resonantly excited tBLG domains is enhanced many fold, forming a major electronic relaxation bottleneck. 2-photon TA microscopy shows this bottleneck effect originates from a strongly bound, dark exciton state lying 0.37 eV below the 1-photon absorption resonance. This stable coexistence of strongly bound excitons alongside free-electron continuum states has not been previously observed in a metallic, 2D material.
description: 6 pages, 4 figures
title: Energy cascade of internal gravity waves in oceans
titleType: Other
Creators: name: Gururaj, Saranraj
Publisher: name: University of Dundee
Year: 2023

description: Internal gravity waves are large length scale waves that exist in the bulk of the ocean, and they play a crucial role in the ocean's energy budget. Various mechanisms cause the energy in internal gravity waves to cascade to small length scales. At small length scales, internal waves cause turbulence and mixing of waters with different densities. Mixing plays a prominent role in sustaining climate-influencing flows such as Meridional Overturning Circulation. This thesis is dedicated to understanding the mechanisms that cascade internal waves' energy to small length scales. First, using multiple scale analysis, we study triad interactions of low mode internal gravity waves that occur in the presence of slowly varying bathymetry. The waves' group speed and horizontal wavenumber vary with fluid depth, and the variation influences the energy transfer between the waves. Moreover, if the stratification is non-constant, detuning can be induced in wave-wave interactions that occur in a region of non-constant fluid depth. Detuning can affect the energy transfer between the waves. Nonlinear coupling coefficients and growth rates are observed to be sensitive to changes in fluid depth. Higher order self-interactions, where the bathymetry acts as a zero-frequency wave, are also studied.

Secondly, we study 5-wave systems that consist of two parent waves (waves with large amounts of energy) and three daughter waves (waves with infinitesimal energy). The five waves form two different triads, where each of these triads consists of one parent wave and two daughter waves, with one daughter wave shared between the two triads. The growth rate of 5-wave systems for different combinations of parent wavevectors is studied. Scenarios where the 5-wave system instability is more dominant than triads are analysed in detail. Apart from influencing wave-wave interactions, topographies can directly scatter a low mode internal wave and cause a cascade of the wave's energy. In the final chapter, internal wave topography interaction in the presence of a steady surface confined current is studied by conducting numerical simulations. The dependence of mode-1 wave scattering on the height and slope of the topography is studied. In the presence of a current, the mode-1 wave with positive phase speed has different properties compared to the mode-1 wave with negative phase speed, and we study the scattering of both mode-1 waves.
Disponibilità a pagare e disponibilità ad accettare per la riduzione dell'impatto paesaggistico delle linee elettriche dell'alta tensione
Creators: name: Marazzi, Matilde
name: Tempesta, Tiziano
Publisher: name: Aestimum
Year: 2009

description: Some recent studies pointed out that electricity pylons are one of the most important factors of rural landscape degradation. In order to estimate the monetary value of pylons visual impact, two different contingent valuation approaches were used. The first one simulated a referendum poll in which people were asked to state his or her willingness to accept a compensation (throw the reduction of paid taxes) for the loss of landscape quality. In the second one people were asked to state the willingness to pay to underground the overhead lines. Results highlight that political markets simulation will reduce, but not eliminate, differences between WTA and WTP. The reasons of such a result are discussed at the light of recent international research in this field.
description: Aestimum, Aestimum 46 (2005)
ADVERSE EFFECT OF MARITAL CONFLICT ON PSYCHO-SOCIAL WELL-BEING OF ADOLESCENTS IN LAGOS STATE SECONDARY SCHOOLS
Creators: name: Abidogun, Moruf Adebayo
Publisher: name: figshare
Year: 2022
Subjects: subject: 170103 Educational Psychology
subject: FOS: Psychology
subject: 170106 Health, Clinical and Counselling Psychology
subject: 170110 Psychological Methodology, Design and Analysis

description: The paper determined the effect of marital conflicts on the psychosocial well-being of adolescents, examined if there was gender impact of marital conflicts on psychosocial well-being of adolescents and investigated if there was effect marital conflicts on adolescents’ perception of the institution of marriage.  The population of the study comprised all Students in public senior secondary schools in Lagos state Nigeria, while the target population consisted of adolescent students in Mushin Local Government Area of Lagos state. A descriptive research survey was used while stratified random sampling technique was adopted in selecting population sample. The sample population comprised of 150 senior secondary students used randomly drawn from five secondary schools in five schools selected in Mushin Local Government Areas of Lagos state. The instrument for the study is 31-item questionnaire named Marital Conflict and Psycho-social Well-being of Adolescent Questionnaire (MCPWAQ). Independent t –test and Two-Way Analysis of Variance (ANOVA) statistical techniques were used for data analysis. The findings showed that there was a significant adverse effect of marital conflicts on the psychosocial well-being of adolescents. However, psychosocial well-being did not significantly differ due to gender. Also, marital conflicts significantly affected adolescents' perception of marriage. The study concluded that marital conflicts have major effects on the psychosocial well-being of adolescents and significantly affects adolescents’ perception of marriage. Based on the findings of the study, it was recommended that there should be marital counselling in schools; as couples should embrace effective communication because communication is very important in successful marriage
Reliability Improvements for Phonetic Transcription of Lengthening
Creators: name: Petroski, Taylor
name: Hamel, Alex
name: Haley, Katarina L.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2016

description: The purpose of this study was to determine ways to improve the reliability of narrow phonetic transcription of lengthening distortions in AOS. More specifically, we looked for ways to make the narrow transcription of segment lengthening more accurate and consistent among transcribers.
Efficient generation of NOON states on two microwave-photon resonators
Creators: name: Hua, Ming
name: Tao, Ming-Jie
name: Deng, Fu-Guo
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present an efficient scheme for the generation of NOON states of photons in circuit QED assisted by a superconducting charge qutrit. It is completed with two kinds of manipulations, that is, the resonant operation on the qutrit and the resonator, and the single-qubit operation on the qutrit, and they both are high-fidelity operations. Compared with the one by a superconducting transmon qutrit proposed by Su et al. (Sci. Rep. 4, 3898 (2014)), our scheme does not require to maintain the qutrit in the third excited state with a long time, which relaxes the difficulty of its implementation in experiment. Moreover, the level anharmonicity of a charge qutrit is larger and it is better for us to tune the different transitions of the charge qutrit resonant to the resonator, which makes our scheme faster than others.
description: 6 pages, 1 figure
Detecting giant electron-hole asymmetry in graphene monolayer generated by strain and charged-defect scattering via Landau level spectroscopy
Creators: name: Bai, Ke-Ke
name: Wei, Yi-Cong
name: Qiao, Jia-Bin
name: Li, Si-Yu
name: Yin, Long-Jing
name: Yan, Wei
name: Nie, Jia-Cai
name: He, Lin
Publisher: name: arXiv
Year: 2015
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The electron-hole symmetry in graphene monolayer, which is analogous to the inherent symmetric structure between electrons and positrons of the Universe, plays a crucial role in the chirality and chiral tunnelling of massless Dirac fermions. Here we demonstrate that both strain and charged-defect scattering could break this symmetry dramatically in graphene monolayer. In our experiment, the Fermi velocities of electrons and holes are measured directly through Landau level spectroscopy. In strained graphene with lattice deformation and curvature, the and are measured as 1.2 x 106 m/s and 1.02 x106 m/s, respectively. This giant asymmetry originates from enhanced next-nearest-neighbor hopping in the strained region. Around positively charged-defect, we observe opposite electron-hole asymmetry, and the and are measured to be 0.86x 106 m/s and 1.14 x106 m/s, respectively. Such a large asymmetry is attributed to the fact that the massless Dirac fermions in graphene monolayer are scattered more strongly when they are attracted to the charged-defect than when they are repelled from it.
description: 4 Figures in main text
On a logical model of combinatorial problems
Creators: name: Plotnikov, Anatoly D.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Computational Complexity (cs.CC)
subject: FOS: Computer and information sciences

description: The paper proposes a logical model of combinatorial problems, also it gives an example of a problem of the class NP that can not be solved in polynomial time on the dimension of the problem.
description: 8 pages, 2 figures
Reply to "Comment on Sochi's variational method for generalised Newtonian flow" by Pritchard and Corson
Creators: name: Sochi, Taha
Publisher: name: arXiv
Year: 2015
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: In this article we challenge the claim that the previously proposed variational method to obtain flow solutions for generalized Newtonian fluids in circular tubes and plane slits is exact only for power law fluids. We also defend the theoretical foundation and formalism of the method which is based on minimizing the total stress through the application of the Euler-Lagrange principle.
description: 9 pages
Kampf um die Bilder. Videoüberwachung und Gegenüberwachung von Demonstrationen in Österreich [Kurzfassung]
Creators: name: Knopp, Philipp
name: Ullrich, Peter
Publisher: name: Technische Universität Berlin
Year: 2016
Subjects: subject: DDC::300 Sozialwissenschaften::340 Recht::340 Recht
subject: DDC::300 Sozialwissenschaften::320 Politikwissenschaft::320 Politikwissenschaft
subject: Polizei
subject: Versammlungsfreiheit
subject: Versammlungsrecht
subject: Videoüberwachung
subject: Demonstrationen
subject: soziale Bewegungen
subject: Protest
subject: Überwachung
subject: Gegenüberwachung
subject: police
subject: freedom of assembly
subject: video surveillance
subject: protest
subject: social movement
subject: surveillance
subject: assemblage

description: Kurzfassung des folgenden Artikels: Knopp, Philipp/Ullrich, Peter 2016: Kampf um die Bilder. Videoüberwachung und Gegenüberwachung von Demonstrationen in Österreich. In: Juridikum. Zeitschrift für Kritik, Recht, Gesellschaft, (4), 527–537.
description: Der Aufsatz behandelt die ‚nachholende‘ Einführung polizeilicher Videoüberwachung auf Demonstrationen in Österreich und ‚Gegenüberwachung’ durch Demonstrierende als ko-evolutiven Prozess. Ausgehend von einigen die Debatte besonders prägenden Protestereignissen der jüngeren Vergangenheit in Wien wird die Durchsetzung und die Rolle von Videoaufzeichnungen im Versammlungsgeschehen auf Basis öffentlich zugänglicher Quellen untersucht. Dargestellt werden im einzelnen 1) rechtlichen Situation und die polizeiliche Einsatzpraxis, 2) die Neutralisierungstechniken der Demonstrierenden inklusive der mit Hoffnung auf Herstellung von Sichtbarkeit verbundenen Gegenüberwachungstechniken, 3) die Verwendung von Videos in Gerichtsverfahren und 4) die durch Videobilder mit hervorgerufenen öffentlichen und politischen Auseinandersetzungen über Polizeigewalt und die Ausweitung der Videoüberwachung durch vermehrten Einsatz und durch Anschaffung von Bodycams. Dabei wird die These vertreten, dass die aufeinander bezogenen strategischen Entscheidungen von staatlichen Organen und Demonstrierenden eine Spirale von Überwachung und Gegenüberwachung konstituieren. Trotz klar hervortretender Machtasymmetrien sind somit die Handlungen beider Seiten beteiligt an der Herstellung der ‚surveillant assemblage‘, der für gegenwärtige Überwachungsgesellschaften typischen dezentralen, verzweigten und durch unterschiedlichste Bedürfnisse etablierten heterogenen Struktur von Überwachung. Dabei können sich die Effekte des Agierens der Beteiligten, bspw Gesetzesänderungen oder Einführung von neuen Einsatzmitteln, deutlich von ihren Intentionen entkoppeln.
Additional file 1 of Unraveling the impact of hyperleptinemia on female reproduction: insights from transgenic pig model
Creators: name: Jamal, Muhammad Ameen
name: Cheng, Yixiao
name: Jiao, Deling
name: Cheng, Wen
name: Zou, Di
name: Wang, Xia
name: Wei, Taiyun
name: Guo, Jianxiong
name: Xu, Kaixiang
name: Zhao, Heng
name: Pu, Shaoxia
name: Yang, Chang
name: Qing, Yubo
name: Jia, Baoyu
name: Li, Honghui
name: Zhao, Rusong
name: Zhao, Hong-Ye
name: Wei, Hong-Jiang
Publisher: name: figshare
Year: 2024
Subjects: subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Computational Biology
subject: Cardiology

description: Supplementary Material 1
Theory of spin-orbit induced spin relaxation in functionalized graphene
Creators: name: Bundesmann, Jan
name: Kochan, Denis
name: Tkatschenko, Fedor
name: Fabian, Jaroslav
name: Richter, Klaus
Publisher: name: arXiv
Year: 2015
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We perform a comparative study of the spin relaxation by spin-orbit coupling induced from adatoms (hydrogen and fluorine) in graphene. Two methods are applied, giving consistent results: a full quantum transport simulation of a graphene nanoribbon, and a T-matrix calculation using Green's functions for a single adatom in graphene. For hydrogenated graphene the dominant spin-orbit term for spin relaxation is PIA, the hitherto neglected interaction due to pseudospin inversion asymmetry. In contrast, in fluorinated graphene PIA and Rashba couplings destructively interfere, reducing the total spin relaxation rate. In this case we also predict a strong deviation from the expected 2:1 spin relaxation anisotropy for out- and in-plane spin orientations. Our findings should be useful to benchmark spin relaxation and weak localization experiments of functionalized graphene.
description: 5 pages, 3 figures, Suppl. Material on request
The Interactive Effects of Operators and Parameters to GA Performance Under Different Problem Sizes
Creators: name: Pabico, Jaderick P.
name: Albacea, Elizer A.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Neural and Evolutionary Computing (cs.NE)
subject: FOS: Computer and information sciences

description: The complex effect of genetic algorithm's (GA) operators and parameters to its performance has been studied extensively by researchers in the past but none studied their interactive effects while the GA is under different problem sizes. In this paper, We present the use of experimental model (1)~to investigate whether the genetic operators and their parameters interact to affect the offline performance of GA, (2)~to find what combination of genetic operators and parameter settings will provide the optimum performance for GA, and (3)~to investigate whether these operator-parameter combination is dependent on the problem size. We designed a GA to optimize a family of traveling salesman problems (TSP), with their optimal solutions known for convenient benchmarking. Our GA was set to use different algorithms in simulating selection ($Ω_s$), different algorithms ($Ω_c$) and parameters ($p_c$) in simulating crossover, and different parameters ($p_m$) in simulating mutation. We used several $n$-city TSPs ($n=\{5, 7, 10, 100, 1000\}$) to represent the different problem sizes (i.e., size of the resulting search space as represented by GA schemata). Using analysis of variance of 3-factor factorial experiments, we found out that GA performance is affected by $Ω_s$ at small problem size (5-city TSP) where the algorithm Partially Matched Crossover significantly outperforms Cycle Crossover at $95\%$ confidence level.
description: 19 pages
Derivation of Soil Roughness Using Multi-Temporal Laser Scanning Point Clouds
Creators: name: Harmening, Corinna
name: Ott, Simone
name: Steinhoff-Knopp, Bastian
name: Paffenholz, Jens-André
Publisher: name: Wichmann Verlag
Year: 2023
Subjects: Laser scanning
point cloud modelling
soil roughness
variogram

description: The present paper deals with the derivation of roughness parameters of soil from laser scanning point clouds, allowing to draw conclusions about properties of the soil (e. g. soil aggregation, soil sealing) and related to this its vulnerability to soil erosion. For this purpose, soil erosion scenes with agricultural cultivation are acquired in five measuring epochs under field conditions. For geo-referencing of the acquired time series of point clouds, a target-based and a data-driven approach are compared. In order to derive roughness parameters, the point clouds are cleaned of vegetation and then modelled to reduce the measurement noise. For this purpose, a collocation-based approach is used, in which a trend surface roughly approximates the point clouds. Remaining systematic deviations, which are caused by the insufficient functional approximation, are caught with the help of a stochastic signal, the variances and correlations lengths of which simultaneously provide information about the soil’s roughness.
Rauschgiftkriminalität. Jahresbericht 2012
Creators: name: (:Unkn) Unknown
Publisher: name: Universität Tübingen
Year: 2013
Subjects: subject: Baden-Württemberg , Drogenkriminalität
subject: 360

description: Bericht zur Entwicklung der Rauschgiftkriminalität in Baden-Württemberg im Jahr 2012.
A Secondary Data Analysis Exploring Parent Accommodations and Child Participation in Young Children with ASD
Creators: name: Daeke, Morgan
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2017

description: Background and Purpose: Past research has shown that sensory features in children with autism spectrum disorder (ASD) have an effect on family routines, parent accommodations, & child participation, but little research has been conducted on the processes by which these phenomena play out in daily life. This study aims to gain insight into the nature of parent accommodations & sensory features in children with ASD, & explore how child participation & engagement are subsequently impacted. Research Question: What is the nature of the relationship between parent accommodations & child participation in the presence of differentiated sensory features?
Experimental and numerical polarization analysis of the 3D transfer behavior in microsphere-assisted interferometry for 1D phase gratings
Creators: name: Hüser, Lucie
name: Pahl, Tobias
name: Lehmann, Peter
Publisher: name: Universität Kassel
Year: 2023
Subjects: subject: Interferometry
subject: Microsphere
subject: Resolution
subject: CSI
subject: Polarization.
subject: 004
subject: 600
subject: Mikroskopie
subject: Interferometrie
subject: Mikrosphäre
subject: Polarisation

description: Gefördert durch den Publikationsfonds der Universität Kassel
Evidence of the Solar EUV hot channel as a magnetic flux rope from remote-sensing and in-situ observations
Creators: name: Song, Hongqiang
name: Chen, Yao
name: Zhang, Jie
name: Cheng, Xin
name: Wang, Bing
name: Hu, Qiang
name: Li, Gang
name: Wang, Yuming
Publisher: name: arXiv
Year: 2015
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Hot channels (HCs), high temperature erupting structures in the lower corona of the Sun, have been proposed as a proxy of magnetic flux ropes (MFRs) since their initial discovery. However, it is difficult to make definitive proof given the fact that there is no direct measurement of magnetic field in the corona. An alternative way is to use the magnetic field measurement in the solar wind from in-situ instruments. On 2012 July 12, an HC was observed prior to and during a coronal mass ejection (CME) by the AIA high-temperature images. The HC is invisible in the EUVI low-temperature images, which only show the cooler leading front (LF). However, both the LF and an ejecta can be observed in the coronagraphic images. These are consistent with the high temperature and high density of the HC and support that the ejecta is the erupted HC. In the meanwhile, the associated CME shock was identified ahead of the ejecta and the sheath through the COR2 images, and the corresponding ICME was detected by \textit{ACE}, showing the shock, sheath and magnetic cloud (MC) sequentially, which agrees with the coronagraphic observations. Further, the MC contained a low-ionization-state center and a high-ionization-state shell, consistent with the pre-existing HC observation and its growth through magnetic reconnection. All of these observations support that the MC detected near the Earth is the counterpart of the erupted HC in the corona for this event. Therefore, our study provides strong observational evidence of the HC as an MFR.
description: 13 pages, 3 figures. Accepted by the Astrophysical Journal Letters
First-order melting of a weak spin-orbit Mott insulator into a correlated metal
Creators: name: Hogan, Tom
name: Yamani, Z.
name: Walkup, D.
name: Chen, Xiang
name: Dally, Rebecca
name: Ward, Thomas Z.
name: Hill, John
name: Islam, Z.
name: Madhavan, Vidya
name: Wilson, Stephen D.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The electronic phase diagram of the weak spin-orbit Mott insulator (Sr(1-x)Lax)3Ir2O7 is determined via an exhaustive experimental study. Upon doping electrons via La substitution, an immediate collapse in resistivity occurs along with a narrow regime of nanoscale phase separation comprised of antiferromagnetic, insulating regions and paramagnetic, metallic puddles persisting until x~0.04. Continued electron doping results in an abrupt, first-order phase boundary where the Neel state is suppressed and a homogenous, correlated, metallic state appears with an enhanced spin susceptibility and local moments. As the metallic state is stabilized, a weak structural distortion develops and suggests a competing instability with the parent spin-orbit Mott state.
description: 5 pages, 4 figures
Additional file 1 of Chemical and isotopic constraints on fluid origin and genesis of geothermal systems in the Tingri-Tangra Yumco rift, southern Tibetan Plateau
Creators: name: Liu, Wei
name: Zhang, Maoliang
name: Liu, Yi
name: Cui, Lifeng
name: Sano, Yuji
name: Xu, Sheng
Publisher: name: figshare
Year: 2024
Subjects: subject: Geology
subject: FOS: Earth and related environmental sciences
subject: Geochemistry

description: Additional file 1: Fig. S1. Relationships between Li, Rb and Cs vs. B for thermal springs along the TTYR. The dashed line and chain-dotted line represent the median rock ratios of basalt and rhyolite as defined by Kaasalainen and Stefánsson, respectively. Symbols are the same as in Fig. 6. Fig. S2. Saturation indexand statistical parameters computed with GeoT for CG-2, BL-1 and MRZ-1 thermal springs. Results are presented by applying the Fix-Al method, CO2 degassing correction, dilution factor, and the selected four selected minerals. Table S1 The calculated recharge elevations of thermal springs along the TTYR. Table S2 Estimated reservoir temperatures of thermal water along the TTYR. Table S3 Deep reservoir temperaturecalculated by the multicomponent method and circulation depthand heat fluxesfor considered thermal springs along the TTYR.
Surface Analysis Using Characteristic X-Rays Excited by Gas Ion Bombardment
Creators: name: Ward, Timothy Ronald
Publisher: name: London South Bank University
Year: 1976

description: A surface analysis facility using characteristic X-ray production following gas ion bombardment has been set up using a 400 keV Van de Graaff machine. A review is given of previous work in the field. The experimental arrangement is described in detail, including details of a novel inexpensive bending magnet and a new method for proton energy calibration. The X-ray background radiation arising from proton bombardment is fully considered. A computer programme for proton bremsstrahlung is given together with results at proton energies from 50 keV to 2 MeV at 50 keV intervals for Be, C, A1, Si, Fe, Cu, Zr, Ag, Sn, Ta, W, and Pb for X-ray energies of l, 3, 5, 10, 25 and 40 keV. A theory for bremsstrahlung from secondary electrons is given and total thick target bremsstrahlung theoretical results are given for Be, AL, Cu, Zr, Sn, Ta, and Pb. The theory used accounts for the experimental background at energies above the characteristic X-ray of the target material to within a factor of 3 in the range 2.4 keV to 25 keV, whereas the theory currently accepted in the literature gives results differing from experimental results by a factor Of Up to 20. Thick target yields arising from proton bombardment in the 200 keV to 400 keV range are reported for the K X-rays of Mg, Ti, Fe, Ni; Cu, Zn, Zr, Nb, Mo, Ag, Cd, In, and Sn, and for the L X-rays of Zr, Nb, Mo, Ag, Cd, In, Sn, Ta, and W, Corresponding experimental atomic cross-sections are calculated, and theoretical results are given for comparison. An example of thick target surface analysis is given. The use of the method for thin-foil analysis is treated briefly, and an example of this method also given.
Tendances à l’action communiquées par les expressions faciales des émotions
Creators: name: Faltacas, Anne-Marie
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2018
Subjects: expression faciales
émotions
tendances à l'action
état de préparation à l'action
théorie de Frijda

description: Bien que le type d’informations communiquées par l’activité motrice du visage ait fait l’objet d’études empiriques, à ce jour peu d’études se sont intéressées à la théorie de Frijda (1986, 2016). Ce dernier soutient que l’expression faciale transmet des renseignements quant au type de comportement que l’émetteur est sur le point de faire et il avance que le récepteur est en mesure d’interpréter les expressions faciales en termes de tendances à l’action. Le principal objectif de cette thèse consistait à examiner la capacité de l’être humain à identifier les tendances à l’action à partir des expressions faciales émotionnelles. Cet objectif a été atteint à l’aide de quatre études. La première étude a utilisé une méthode de jugement à choix forcé afin d’examiner la capacité du récepteur à reconnaître les tendances à l’action. Les résultats de cette étude ont permis de montrer que l’exactitude des jugements était supérieure au hasard et que les participants percevaient plus d’une seule tendance à l’action dans le cas des expressions de surprise et de dégoût. La seconde étude a examiné l’aptitude du récepteur à identifier les tendances à l’action en faisant usage d’une tâche d’étiquetage verbal. Les participants avaient pour consigne de décrire dans leurs propres termes ce que se préparait à faire la personne qui affichait une expression faciale donnée. Les résultats ont montré que les participants avaient tendance à percevoir la tendance à l’action prédite par la théorie de Frijda plus souvent que les autres tendances à l’action. Toutefois, les niveaux de reconnaissance étaient généralement faibles. La troisième étude avait pour objectif d’examiner la reconnaissance des tendances à l’action lorsque l’émotion ressentie par l’encodeur était précisée. Contrairement à notre prédiction, le fait d’indiquer la catégorie de l’émotion exprimée par le visage n’a pas eu pour effet d’améliorer l’exactitude de la reconnaissance des tendances à l’action. Dans la quatrième étude, nous avons vérifié si la présentation d’unités d’action faciale permettait au décodeur de reconnaître les tendances à l’action. La tâche de jugement était similaire à celle de la première étude, mais le matériel facial présenté aux participants était différent. Nous avons sélectionné des unités d’action qui entrent dans la composition des expressions faciales des émotions fondamentales et qui sont spécifiques à chacune d’elles. Les résultats de cette étude ont montré que les participants parvenaient, dans la majorité des cas, à reconnaître les tendances à l’action à partir d’une seule unité d’action.
Availability and transfer of non‑essential elements in a rehabilitated bauxite residue grassland system
Creators: name: Dillon, Leah
name: COURTNEY, RONAN
Publisher: name: University of Limerick
Year: 2023
Subjects: classificationCode: 31
subject: Biological sciences
subject: FOS: Biological sciences

description: Aims This study investigated a 7 yr old rehabilitated grassland established on a bauxite residue storage areas(RSA) in order to assess the availability and eco-system transfer of both nutrient and trace elements, and to determine if defined rehabilitation criteria were sustained. Methods Rehabilitated residue/soil was sampled over depth (0–10 and 10-20 cm) and season (Spring/ Summer and Autumn/Winter) and plant growth stage (green vs. senescent) to determine both essential and non-essential element (Ca, Mg, Na, Al and V) content. Invertebrates samples from both decomposer and predator specimens were assessed to determine if food chain transfer occurred. Results Residue-soil results showed sustained rehabilitation with pH, EC and ESP all within recommended criteria levels. Further, bioavailable fractions of Al and V remained low. Vegetation analysis revealed seasonal variation for both essential and non-essential elements and highlights the need for wider monitoring parameters. Elemental content in invertebrate samples did not indicate food chain transfer and results were comparable to a reference site. Conclusion Results show sustained rehabilitation with low bioavailability of non-essential elements and food chain transfer.
In Vitro Investigation of Cell-Free Layer Formation in Microchannels: Dependency on the Red Blood Cell Aggregation and Field of Shear
Creators: name: Gliah, Omemah Rajab
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2018
Subjects: microcirculation
microfluidics
blood
non-Newtonian fluid
flow rate
velocity
wall shear rate
micro particle image velocimetry (µPIV)

description: Red blood cells (RBCs) form approximately 40 to 45% of the human blood volume, and their behaviour and characteristics are the main determinant of blood properties, such as viscosity. RBCs are deformable species and stack together under low shear rate to form aggregates or rouleaux. Flowing RBCs migrate away from the wall leaving a cell-depleted layer known as the cell-free layer (CFL). This layer contributes to the blood viscosity and exchange between the RBCs and the target cells: a thinner CFL enhances the exchange process by reducing the diffusion distance. The formation of this CFL, however, is not yet completely understood. The goal of this study is to improve the understanding of the formation of the CFL in the micro-flow. This was accomplished by studying the effects of changing both the flow rate and the microchannel geometry on blood flow in microchannels. In this work, 10% hematocrit human blood suspensions were prepared in native plasma and flowed through poly-dimethylsiloxane (PDMS) microchannels of 100 μm x 34 μm cross-section. Investigation of the flowing cells was performed by using micro particle image velocimetry (μPIV) coupled with a high-speed camera. First, the high-speed camera images were processed with customized Matlab programs to detect and measure the CFL thickness and the RBC aggregates sizes. Second, the blood flow velocity profiles were measured using μPIV in order to determine the actual flow rate, the RBCs’ centerline velocity, and the shear rate. The results showed that the increase in both flow rate and shear rate significantly reduced the CFL thickness and RBC aggregates size. Comparison of the upstream and downstream measurements in the bifurcating microchannel showed that the change in microchannel geometry did not significantly influence CFL thickness and RBC aggregate size, while within the daughter branches, RBCs tended to flow close to the inner wall resulting in an undetectable CFL at the inner wall and in a larger CFL at the outer wall of the branch. These in vitro results quantitatively relate CFL thickness and RBC aggregate size at different shear rates. The findings are of immediate interest regarding the understanding of microcirculation and improved designs of microchips.
Defect induced d0 ferromagnetism in a ZnO grain boundary
Creators: name: Aravindh, S. Assa
name: Schwingenschloegl, Udo
name: Roqan, Iman S.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Several experimental studies have referred to the grain boundary (GB) defect as the origin of the ferromagnetism in ZnO. However, the mechanism of this hypothesis has never been confirmed. Present study investigates the atomic structure and the effect of point defects in a ZnO GB using the GGA+U approximation. The relaxed GB possesses large periodicity and channels with 8 and 10 numbered atoms having 4 and 3 fold coordination. Unlike O vacancy (VO), Zn vacancy (VZn) is preferentially aggregated at the GB, relative to the bulk-like region, indicating the possibility of obtaining p-type conductivity in polycrystalline ZnO. Although no magnetization is obtained from point defect-free GB, VZn induces spin polarization as large as 0.68 μB/atom to the O sites at the GB. Ferromagnetic exchange energy > 150 eV is obtained by increasing the concentration of VZn and by the injection of holes into the system. Electronic structure analysis indicates that the spin polarization without external dopants originates from the O 2p orbitals, a common feature of d0 semiconductors.