cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A Subleading Power Operator Basis for the Scalar Quark Current
Creators: name: Chang, Cyuan-Han
name: Stewart, Iain W.
name: Vita, Gherardo
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Factorization theorems play a crucial role in our understanding of the strong interaction. For collider processes they are typically formulated at leading power and much less is known about power corrections in the $λ\ll 1$ expansion. Here we present a complete basis of power suppressed operators for a scalar quark current at $\mathcal{O}(λ^2)$ in the amplitude level power expansion in the Soft Collinear Effective Theory, demonstrating that helicity selection rules significantly simplify the construction. This basis applies for the production of any color singlet scalar in $q\bar{q}$ annihilation (such as $b \bar b \to H$). We also classify all operators which contribute to the cross section at $\mathcal{O}(λ^2)$ and perform matching calculations to determine their tree level Wilson coefficients. These results can be exploited to study power corrections in both resummed and fixed order perturbation theory, and for analyzing the factorization properties of gauge theory amplitudes and cross sections at subleading power.
description: 41 pages + Appendices. 3 tables. v2: text changes. arXiv admin note: text overlap with arXiv:1703.03408
O desenvolvimento profissional docente em comunidade virtual de prática
Creators: name: Choupina, Elisabete
name: Meirinhos, Manuel
Publisher: name: Instituto Politécnico de Bragança
Year: 2016

description: Com este estudo, seguindo a metodologia de estudo de caso, pretende analisar-se a possibilidade do desenvolvimento profissional docente ocorrer em comunidade virtual de prática, mais concretamente na comunidade de prática EVTec. Esta comunidade surgiu em 2007, por iniciativa do seu coordenador e era constituída, em meados de 2012, por 538 membros. Os seus membros eram essencialmente professores portugueses da disciplina de Educação Visual e Tecnológica. Procuramos investigar se a comunidade virtual de prática tem sido útil para servir a prática profissional dos participantes. Investigamos como são utilizados os fóruns, que importância, os seus membros, atribuem a esta comunidade, como é que a caracterizam e que sugestões apresentam para a melhorar. Verificamos que esta comunidade apresenta bastante dinâmica, discutem-se problemas profissionais, partilha-se a prática e, em consequência tem-se apresentado como um suporte importante para, informalmente, os professores se desenvolverem profissionalmente. Palavras-chave: Desenvolvimento profissional docente; Comunidade virtual de prática
description: Eduser - Revista de Educação, v. 6 n. 1 (2014): Eduser - Revista de Educação
Aulas práticas sobre fisiologia humana no ensino médio brasileiro e no ensino secundário português: um estudo comparativo
Creators: name: Santos, Jaqueline Gonçalves Dos
name: Kanunfre, Carla Cristine
name: Rocha, Dalva Cassie
Publisher: name: Instituto Politécnico de Bragança
Year: 2016

description: Em Portugal há uma aula semanal exclusiva para a realização de aulas práticas, já no Brasil apenas teóricas, ficando a critério do professor a realização de práticas. O objetivo do presente trabalho foi comparar a componente prática das aulas de fisiologia humana, entre o ensino médio brasileiro e o secundário português. Realizou-se análise comparativa dos documentos curriculares; análise dos livros didáticos e, análise de questionário aplicado aos professores brasileiros e portugueses. Os resultados obtidos mostraram que o documento curricular português apresenta os planos e objetivos a serem atingidos, de forma padronizada. Essa rígida padronização não é verificada nas diretrizes brasileiras, o que proporciona maior liberdade, mas requer maior grau de responsabilidade e compromisso dos docentes para tornar o processo de ensino-aprendizagem efetivo. Tanto em Portugal como no Brasil há uma valorização das aulas no ensino de fisiologia humana, porém há vários fatores que limitam sua realização. Palavras-chave: Aulas práticas; documentos curriculares; ensino de Biologia; livros didáticos
description: Eduser - Revista de Educação, v. 7 n. 1 (2015): Eduser - Revista de Educação
Inteligência Espiritual – um bem educativo
Creators: name: Antunes, Roque Rodrigues
name: Silva, Ana Paula
Publisher: name: Instituto Politécnico de Bragança
Year: 2016

description: Faz-se neste artigo um mapeamento da literatura sobre inteligência espiritual. Parte-se das primeiras teorias e percorre-se a evolução das mesmas, sinalizando os principais marcos tais como a teoria das inteligências múltiplas de Gardner (1995), a inteligência emocional de Goleman (1997) e a inteligência espiritual de Emmons (1999) e Zohar e Marshall (2004), prosseguindo-se com a análise do contributo de vários autores até 2013. Procura-se ainda evidenciar a necessidade de considerar este tipo de inteligência no campo da educação, nomeadamente as suas categorias de transcendência e integração que se nos afiguram como uma base adequada para a prossecução de uma educação transformadora. Palavras-chave: Teorias da inteligência, inteligência espiritual; educação
description: Eduser - Revista de Educação, v. 7 n. 1 (2015): Eduser - Revista de Educação
Additional file 1 of Understanding factors relevant to poor sleep and coping methods in people with schizophrenia
Creators: name: Chang, Yen-Ching
name: Chang, Megan C.
name: Chang, Yun-Jou
name: Chen, Ming-De
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1. An overview of themes and subthemes.
Prospects for $γγ\to$ Higgs observation in ultraperipheral ion collisions at the Future Circular Collider
Creators: name: d'Enterria, David
name: Martins, Daniel E.
name: Teles, Patricia Rebello
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study the two-photon production of the Higgs boson, $\rm γγ\to H$, at the Future Circular Collider (FCC) in ultraperipheral PbPb and pPb collisions at $\sqrt{s_{NN}} = 39$ and 63 TeV. Signal and background events are generated with MADGRAPH 5, including $γ$ fluxes from the proton and lead ions in the equivalent photon approximation, yielding $\rm σ(γγ\to H)$ = 1.75 nb and 1.5 pb in PbPb and pPb collisions respectively. We analyse the H$\,\to b\bar{b}$ decay channel including realistic reconstruction efficiencies for the final-state $b$-jets, showered and hadronized with PYTHIA 8, as well as appropriate selection criteria to reduce the dominant exclusive $γγ\to b\bar{b}$ continuum background. Observation of $\rm PbPb\xrightarrow{γγ}(Pb)\,H\,(Pb)$ is achievable in the first year with the expected PbPb integrated luminosities.
description: 5 pages, 4 figures. PHOTON'17, CERN Proceedings, to appear. References added
An integrated speech and natural language dialog system : using dialog knowledge in speech recognition
Creators: name: Young, Sheryl R.
name: Hauptmann, Alexander G.
name: Ward, Wayne H.
Publisher: name: Carnegie Mellon University
Year: 2003
Subjects: subject: 89999 Information and Computing Sciences not elsewhere classified
subject: FOS: Computer and information sciences

description: Computer Science Department
Hierarchical Bayesian calibration of tidal orbit decay rates among hot Jupiters
Creators: name: Cameron, Andrew Collier
name: Jardine, Moira
Publisher: name: arXiv
Year: 2018
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Transiting hot Jupiters occupy a wedge-shaped region in the mass ratio-orbital separation diagram. Its upper boundary is eroded by tidal spiral-in of massive, close-in planets and is sensitive to the stellar tidal dissipation parameter $Q_s'$. We develop a simple generative model of the orbital separation distribution of the known population of transiting hot Jupiters, subject to tidal orbital decay, XUV-driven evaporation and observational selection bias. From the joint likelihood of the observed orbital separations of hot Jupiters discovered in ground-based wide-field transit surveys, measured with respect to the hyperparameters of the underlying population model, we recover narrow posterior probability distributions for $Q_s'$ in two different tidal forcing frequency regimes. We validate the method using mock samples of transiting planets with known tidal parameters. We find that $Q_s'$ and its temperature dependence are retrieved reliably over five orders of magnitude in $Q_s'$. A large sample of hot Jupiters from small-aperture ground-based surveys yields $\log_{10} Q_s'=(8.26\pm 0.14)$ for 223 systems in the equilibrium-tide regime. We detect no significant dependence of $Q_s'$ on stellar effective temperature. A further 19 systems in the dynamical-tide regime yield $\log_{10} Q_s'=7.3\pm 0.4$, indicating stronger coupling. Detection probabilities for transiting planets at a given orbital separation scale inversely with the increase in their tidal migration rates since birth. The resulting bias towards younger systems explains why the surface gravities of hot Jupiters correlate with their host stars' chromospheric emission fluxes. We predict departures from a linear transit-timing ephemeris of less than 4 seconds for WASP-18 over a 20-year baseline.
description: 15 pages, 13 figures, accepted for publication in MNRAS
Between-Group Transfers and Poverty-Reducing Tax Reforms
Creators: name: Makdissi, Paul
name: Mussard, Stéphane
Publisher: name: My University
Year: 2008
Subjects: Between-group redistribution
Poverty
Restricted stochastic dominance
Tax reforms
Redistribution inter-groupe
Pauvreté
Dominance stochastique restreinte
Réformes fiscales

description: In this paper, we propose the conception of Within-group Consumption-Dominance Curves in order to capture the impact of indirect tax reforms on poverty. Considering that the population is partitioned into many groups, which differ in needs, in health, in capability or other attributes, we introduce within-group transfers and between-group transfers via indirect taxation mechanisms in order to reduce the poverty for the entire population and the poverty in particular population sub-groups. We show that these taxation schemes are useful for many reasons: there is no need to estimate demand functions; the tax reforms are robust over a large range of poverty indices; the methodology relies on a stochastic dominance approach. / Dans cet article, nous proposons le concept de Courbes de Dominance de Consommation Intra-groupes afin d'analyser l'impact de réformes de la fiscalité indirecte sur la pauvreté. Nous considérons que la population est divisée en plusieurs groupes différant selon les besoins, l'état de santé, les capabilités ou quelqu'autre attribut. Nous introduisons des transferts intra-groupes et inter-groupes via le mécanisme de taxation indirecte afin de réduire la pauvreté de la population dans son ensemble et la pauvreté de certains groupes en particulier. Nous montrons que ce cadre d'analyse de taxation est pratique pour plusieurs raisons. Puisque la méthodologie repose sur la dominance stochastique, il n'est pas nécessaire d'estimer les fonctions de demande et les réformes sont robustes pour un large éventail d'indices de pauvreté.
Making maps of cosmological parameters
Creators: name: Mukherjee, Suvodip
name: Wandelt, Benjamin D.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We provide a fast algorithm to diagnose any directional dependence in the cosmological parameters by calculating maps of local cosmological parameter estimates and their joint errors. The technique implements a fast quadratic estimator technique based on Wiener filtering and convolution of the sky with a patch shape. It uses only three map-resolution spherical harmonic transforms per parameter and applies to any data set with full sky or a partial sky coverage. We apply this method to Planck SMICA-2015 and obtain fluctuation map for six cosmological parameters. Our estimate shows that the Planck data is consistent with a single global value of the cosmological parameters and is not influenced by any severe local contaminations. This method is applicable also to other angular or 3D data sets of future missions to scrutinize any local variation in the cosmological parameters.
description: 25 pages, 8 figures
Educação ambiental para um turismo sustentável
Creators: name: Neves, Eugénio Dos Santos
name: Mateus, Maria Do Nascimento Esteves
Publisher: name: Instituto Politécnico de Bragança
Year: 2016

description: Este estudo sobre Educação ambiental para um turismo sustentável visa desenvolver uma consciência ambiental dos guias turísticos, levando-os a desempenhar um papel ativo na construção de um turismo sustentável. A questão se os guias turísticos de São Tomé e Príncipe (STP) podem contribuir para o desenvolvimento de uma educação ambiental para um turismo sustentável, permitiu a definição de objetivos que visam verificar que tipo de formação os guias turísticos de STP têm para o exercício da sua atividade profissional e compreender o seu papel na promoção de uma consciência ambiental para um turismo sustentável. Uma metodologia qualitativa, apoiada numa análise de conteúdo de duas entrevistas semiestruturadas e individuais e uma ação de formação sobre o tema, aplicadas a três guias turísticos da Associação de Guias de Turismo de STP e a três da Associação Monte Pico, selecionados de forma intencional, permitiram clarificar a questão e os objetivos definidos. Palavras - chave: educação ambiental; guias turísticos; turismo sustentável.
description: Eduser - Revista de Educação, v. 7 n. 2 (2015): Eduser - Revista de Educação
As Instituições de Ensino Superior Perante a Problemática Ambiental
Creators: name: Matos, Alda
name: Cabo, Paula
name: Ribeiro, Maria
name: Fernandes, António
Publisher: name: Instituto Politécnico de Bragança
Year: 2016

description: Para Morin (2005) o desenvolvimento verdadeiramente humano significa o desenvolvimento conjunto das autonomias individuais, das participações comunitárias e do sentimento de pertencer à espécie humana (p. 55). De facto, as expressões Desenvolvimento Humano, Desenvolvimento Sustentável e Educação Ambiental para o Desenvolvimento Sustentável – EADS são uma realidade discursiva atual. Porém, do discurso à ação, vai um longo percurso e as Instituições do Ensino Superior – IES não constituem exceção neste trajeto. Vários autores creem que as IES deveriam ocupar o vazio deixado por outras instituições, devido ao dever doutrinal para com a comunidade de se traduzirem em modelos sustentáveis na gestão, ensino e investigação. Assim, o objetivo deste artigo é expressar, nas palavras de diversos autores, a problemática da EADS no ensino superior. A metodologia utilizada foi a recolha e análise de conteúdo de informação documental: literatura sobre a temática, artigos científicos e documentos emanados de acordos internacionais sobre a EADS no ensino superior. Conclui-se que as questões relativas à EADS avançam muito lentamente, privadas de um plano global, concertado e contínuo. Tem-se assistido a políticas públicas que implementam reformas educativas em resposta aos problemas ambientais. Porém, embora o discurso das IES caminhe para o instituído em acordos internacionais, não se tem mostrado coerente com a prática, no que respeita à inclusão dos princípios de EADS no ensino-aprendizagem. Palavras-chave: Ambientalização Curricular; Desenvolvimento Sustentável; Educação Ambiental; Ensino Superior
description: Eduser - Revista de Educação, v. 7 n. 2 (2015): Eduser - Revista de Educação
What Makes the Family of Barred Disc Galaxies So Rich: Damping Stellar Bars in Spinning Haloes
Creators: name: Collier, Angela
name: Shlosman, Isaac
name: Heller, Clayton
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We model and analyse the secular evolution of stellar bars in spinning dark matter (DM) haloes with the cosmological spin lambda ~ 0 -- 0.09. Using high-resolution stellar and DM numerical simulations, we focus on angular momentum exchange between stellar discs and DM haloes of various axisymmetric shapes --- spherical, oblate and prolate. We find that stellar bars experience a diverse evolution which is guided by the ability of parent haloes to absorb angular momentum lost by the disc through the action of gravitational torques, resonant and non-resonant. We confirm the previous claim that dynamical bar instability is accelerated via resonant angular momentum transfer to the halo. Our main findings relate to the long-term, secular evolution of disc-halo systems: with an increasing lambda, bars experience less growth and dissolve after they pass through the vertical buckling instability. Specifically, with an increasing halo spin, (1) The vertical buckling instability in stellar bars colludes with inability of the inner halo to absorb angular momentum --- this emerges as the main factor weakening or destroying bars in spinning haloes; (2) Bars lose progressively less angular momentum, and their pattern speeds level off; (3) Bars are smaller, and for lambda >= 0.06 cease their growth completely following buckling; (4) Bars in lambda > 0.03 haloes have ratio of corotation-to-bar radii, R_CR / R_b > 2, and represent so-called slow bars which do not show offset dust lanes. We provide a quantitative analysis of angular momentum transfer in disc-halo systems, and explain the reasons for absence of growth in fast spinning haloes and its observational corollaries. We conclude that stellar bar evolution is substantially more complex than anticipated, and bars are not as resilient as has been considered so far.
description: 15 pages., 11 figures, MNRAS, in press
Selective probing of longitudinal and transverse plasmon modes with electron phase-matching
Creators: name: Aguilar, Franck
name: Lourenço-Martins, Hugo
name: Montero, Damián
name: Li, Xiaoyan
name: Kociak, Mathieu
name: Campos, Alfredo
Publisher: name: arXiv
Year: 2024
Subjects: subject: Optics (physics.optics)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences
subject: 78

description: The optical properties of metallic nanoparticles are dominated by localized surface plasmons (LSPs). Their properties only depend on the constituting material, the size and shape of the nano-object as well as its surrounding medium. In anisotropic structures, such as metallic nanorods, two families of modes generally exist, transverse and longitudinal. Their spectral and spatial overlaps usually impede their separate measurements in electron energy loss spectroscopy (EELS). In this work, we propose three different strategies enabling to overcome this difficulty and selectively probe longitudinal and transverse modes. The first strategy is numeric and relies on morphing of nano-structures, rooted in the geometrical nature of LSPs. The two other strategies exploit the relativistic and wave nature of the electrons in an EELS experiment. The first one is the phase-matching between the electron and the plasmon excitation to enhance their coupling by either tilting the sample and modifying the electron kinetic energy. The second one - polarized EELS (pEELS) - exploits the wave nature of electrons to mimic selection rules analogous to the one existing in light spectroscopies. The above-mentioned strategies are exemplified - either experimentally or numerically - on a canonical plasmonic toy model: the nano-rod. The goal of the paper is to bring together the state-of-the-art concepts of EELS for plasmonics to tackle a pedestrian problem in this field.
description: 33 pages, 6 figures
Educação Ambiental e Resíduos Sólidos Urbanos: Caminho para um Futuro Sustentável
Creators: name: Macedo, Maria Alexandra
name: Ramos, Maria Da Conceição Pereira
Publisher: name: Instituto Politécnico de Bragança
Year: 2016

description: Os resíduos sólidos urbanos representam uma grande implicação para o ambiente e a saúde pública. Neste trabalho, é feito um estudo sobre a Educação Ambiental (EA), uma forma de sensibilização da população para esta problemática, tendo como objetivo avaliar os conhecimentos ambientais dos alunos de ensino obrigatório. Para o efeito, realizou-se um inquérito a 480 alunos de quatro escolas portuguesas do norte de Portugal. Paralelamente a este inquérito, foram realizadas entrevistas a entidades privilegiadas - duas empresas que trabalham no setor do ambiente e educação e entrevistas a professores de educação ambiental e aos diretores das quatro escolas. Como principais resultados deste estudo de caso, pode-se concluir que: 48,54% dos inquiridos conhecem o conceito de EA, no entanto, apenas 39,17% a praticam; 65,63% dos inquiridos procedem à separação de resíduos, considerando 35,63% que a EA foi fundamental para estas práticas. Em suma, 83,13% dos inquiridos consideram que a EA é importante para a sociedade e 88,54% acreditam que a realização das práticas de reciclagem e compostagem é importante para o meio ambiente. Palavras-chave: Educação Ambiental; Resíduos Sólidos Urbanos; Sustentabilidade; Reciclagem; Saúde Pública.
description: Eduser - Revista de Educação, v. 7 n. 2 (2015): Eduser - Revista de Educação
Quantization of exciton in magnetic field background
Creators: name: Giri, Pulak Ranjan
name: Chakrabarti, S. K.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: The possible mismatch between the theoretical and experimental absorption of the edge peaks in semiconductors in a magnetic field background may arise due to the approximation scheme used to analytically calculate the absorption coefficient. As a possible remedy we suggest to consider nontrivial boundary conditions on x-y plane by in-equivalently quantizing the exciton in background magnetic field. This inequivalent quantization is based on von Neumann's method of self-adjoint extension, which is characterized by a parameter Σ. We obtain bound state solution and scattering state solution, which in general depend upon the self-adjoint extension parameter Σ. The parameter Σcan be used to fine tune the optical absorption coefficient K(Σ) to match with the experiment.
description: 5 pages, 1 figure
Additional file 1 of The use and effects of synthetic cannabinoid receptor agonists by New South Wales cannabis treatment clients
Creators: name: Jackson, Melissa A.
name: Brown, Amanda L.
name: Johnston, Jennifer
name: Clancy, Richard
name: McGregor, Iain
name: Bruno, Raimondo
name: Lintzeris, Nick
name: Montebello, Mark
name: Luksza, Jennifer
name: Bowman, Jenny
name: Phung, Nghi
name: Allsop, Dave
name: Dunlop, Adrian J.
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Pharmacology
subject: Biotechnology
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1. Supplementary Material.
Understanding and Evaluating Developer Behaviour in Programming Tasks
Creators: name: Schröer, Martin
name: Koschke, Rainer
Publisher: name: arXiv
Year: 2024
Subjects: subject: Software Engineering (cs.SE)
subject: FOS: Computer and information sciences

description: To evaluate how developers perform differently in solving programming tasks, i.e., which actions and behaviours are more beneficial to them than others and if there are any specific strategies and behaviours that may indicate good versus poor understanding of the task and program given to them, we used the MIMESIS plug-in to record developers' interactions with the IDE. In a series of three studies we investigated the specific behaviour of developers solving a specific programming task. We focused on which source code files they visited, how they related pieces of code and knowledge to others and when and how successful they performed code edits. To cope with the variety of behaviours due to interpersonal differences such as different level of knowledge, development style or problem solving stratiegies, we used an abstraction of the observed behaviour, which enables for a better comparison between different individual attributes such as skill, speed and used stratiegies and also facilitates later automatic evaluation of behaviours, i.e. by using a software to react to.
Genetics and physiology of juvenility
Creators: name: Ianis Matsoukas
name: Massiah, Andrea
name: Thomas, Brian
Publisher: name: F1000 Research Limited
Year: 2019

description: Plants undergo a series of profound developmental changes throughout their lifetime in response to both external and internal factors. When these changes are abrupt and dramatic, the process is referred to as phase change. The early phase of plant development, during which the plant cannot be induced to flower, has been called the juvenile phase.

The juvenile to adult transition within the vegetative phase is associated with several physiological and biochemical markers whilst very little is known about the molecular mechanisms involved in this process. The most striking advances in our understanding of the genetic control of phase transitions have come from the study of vegetative to reproductive phase of inflorescence meristem development in Arabidopsis. During this transition, FLOWERING LOCUS T (FT) mRNA is transmitted from leaf to the shoot apex, where it acts together with FD to activate transcription of floral meristem identity genes, resulting in floral initiation. However, because of its short life cycle, Arabidopsis presents difficulties in juvenile phase studies. On the other hand, Antirrhinum is a plant with a well defined juvenile phase which is affected by light and has a long-day photoperiod requirement similar to Arabidopsis.

The major aim of this project is to investigate the reasons for incompetence to flower during the juvenile phase. It is possible to hypothesize that this is due to one or more of the following reasons: The photoperiodic floral induction mechanism that leads to FT expression does not function The apex is not capable of responding to a signal or The signal is not translocated to the apex. Light integral has been found to be a key component of the length of juvenile phase in Antirrhinum; reduced light levels extend the length of this phase. This may indicate a lack of available photosynthetic assimilates within the transition from juvenile to adult vegetative phase. The effect of irradiance on the accumulation of carbohydrates in leaves and its effect on the transition from juvenile to adult vegetative phase is being studied in Antirrhinum. A method has been developed to detect low-molecular carbohydrates based on the use of HPLC with refractometric detection. Furthermore, an experimental system for determining the length of juvenile phase in Arabidopsis based on reciprocal transfers between long- and short- days has been developed.
Feature Decomposition Based Saliency Detection in Electron Cryo-Tomograms
Creators: name: Zhou, Bo
name: Guo, Qiang
name: Zeng, Xiangrui
name: Xu, Min
Publisher: name: arXiv
Year: 2018
Subjects: subject: Quantitative Methods (q-bio.QM)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (stat.ML)
subject: FOS: Biological sciences
subject: FOS: Computer and information sciences

description: Electron Cryo-Tomography (ECT) allows 3D visualization of subcellular structures at the submolecular resolution in close to the native state. However, due to the high degree of structural complexity and imaging limits, the automatic segmentation of cellular components from ECT images is very difficult. To complement and speed up existing segmentation methods, it is desirable to develop a generic cell component segmentation method that is 1) not specific to particular types of cellular components, 2) able to segment unknown cellular components, 3) fully unsupervised and does not rely on the availability of training data. As an important step towards this goal, in this paper, we propose a saliency detection method that computes the likelihood that a subregion in a tomogram stands out from the background. Our method consists of four steps: supervoxel over-segmentation, feature extraction, feature matrix decomposition, and computation of saliency. The method produces a distribution map that represents the regions' saliency in tomograms. Our experiments show that our method can successfully label most salient regions detected by a human observer, and able to filter out regions not containing cellular components. Therefore, our method can remove the majority of the background region, and significantly speed up the subsequent processing of segmentation and recognition of cellular components captured by ECT.
description: 14 pages
Ecopolitics Podcast, Season 2, Episode 8: Environmental Justice and the Anthropocene
Creators: name: Katz-Rosene, Ryan
name: Andrée, Peter
Publisher: name: My University
Year: 2021

description: In this episode we talk about Indigenous environmental justice with Dr. Kyle Whyte (University of Michigan, and citizen of the Potawatomi Nation). Dr. Whyte explains how indigenous knowledge, identity, and kinship networks can reshape contemporary ecological politics. [Produced by Nicole Bedford; Artwork by Adam Gibbard; Transcription by Allison Brown; Additional Resources prepared by Ashley Fearnall].
An integrated contextual information service for pervasive computing applications
Creators: name: Judd, Glenn
name: Steenkiste, Peter Alfons.
Publisher: name: Carnegie Mellon University
Year: 2006
Subjects: subject: 89999 Information and Computing Sciences not elsewhere classified
subject: FOS: Computer and information sciences

description: Abstract: "Pervasive computing applications are increasingly leveraging contextual information from several sources to provide users with behavior appropriate to the environment in which they reside. If these sources of contextual information are used and deployed in an ad hoc manner, however, they may provide overlapping functionality, fail to provide needed functionality, and require the use of inconsistent interfaces by applications. To overcome these problems, we introduce a Contextual Information Service that provides applications with contextual information via a virtual database. Unlike previous efforts, our service provides applications a consistent, lightweight, and powerful mechanism for obtaining contextual information, and includes explicit support for the on demand computation of contextual information. We show, using a Contextual Information Service prototype and example applications that we have implemented, how this approach can be used by proactive applications to adapt their behavior to match a user's current environment."
Just Showing Up: Social and Cultural Capital in Everyday Life
Creators: name: Jeannotte, M. Sharon
Publisher: name: My University
Year: 2005
Subjects: Culture
Social capital
Cultural capital
Cultural citizenship

description: This chapter is intended to be a synthesis of current knowledge about social and cultural capital and their relationship to questions of citizenship. Its aims are to identify the role that these forms of capital play in the construction of cultural citizenship and to suggest how a conceptual understanding of them is useful to our understanding of the formulation of cultural policies
On the structure of graded Lie superalgebras
Creators: name: Calderón, Antonio J.
name: Sanchez, José M.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Representation Theory (math.RT)
subject: FOS: Mathematics

description: We study the structure of graded Lie superalgebras with arbitrary dimension and over an arbitrary field ${\mathbb K}$. We show that any of such algebras ${\mathfrak L}$ with a symmetric $G$-support is of the form ${\mathfrak L} = U + \sum\limits_{j}I_{j}$ with $U$ a subspace of ${\mathfrak L}_1$ and any $I_{j}$ a well described graded ideal of ${\mathfrak L}$, satisfying $[I_j,I_k] = 0$ if $j\neq k$. Under certain conditions, it is shown that ${\mathfrak L} = (\bigoplus\limits_{k \in K} I_k) \oplus (\bigoplus\limits_{q \in Q} I_q),$ where any $I_k$ is a gr-simple graded ideal of ${\mathfrak L}$ and any $I_q$ a completely determined low dimensional non gr-simple graded ideal of ${\mathfrak L}$, satisfying $[I_q,I_{q'}] = 0$ for any $q'\in Q$ with $q \neq q'$.
Additional file 1 of A qualitative study about the mental health and wellbeing of older adults in the UK during the COVID-19 pandemic
Creators: name: McKinlay, A. R.
name: Fancourt, D.
name: Burton, A.
Publisher: name: figshare
Year: 2021
Subjects: subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1. Interview topic guide: Adult groups.
How Spatial Heterogeneity Affects Transient Behavior in Reaction–Diffusion Systems for Ecological Interactions?
Creators: name: Wang, Xiaoying
name: Efendiev, Messoud
name: Lutscher, Frithjof
Publisher: name: My University
Year: 2019
Subjects: Reaction–diffusion systems
Spatially heterogeneous perturbations
Transient dynamics

description: Most studies of ecological interactions study asymptotic behavior, such as steady states and limit cycles. The transient behavior, i.e., qualitative aspects of solutions as and before they approach their asymptotic state, may differ significantly from asymptotic behavior. Understanding transient dynamics is crucial to predicting ecosystem responses to perturbations on short timescales. Several quantities have been proposed to measure transient dynamics in systems of ordinary differential equations. Here, we generalize these measures to reaction-diffusion systems in a rigorous way and prove various relations between the non-spatial and spatial effects, as well as an upper bound for transients. This extension of existing theory is crucial for studying how spatially heterogeneous perturbations and the movement of biological species involved affect transient behaviors. We illustrate several such effects with numerical simulations.
Broadband pump-probe study of biexcitons in chemically exfoliated layered WS$_{2}$
Creators: name: Chowdhury, R. K.
name: Nandy, S.
name: Bhattacharya, S.
name: Karmakar, M.
name: Bhaktha, B. N. S.
name: Datta, P. K.
name: Taraphder, A.
name: Ray, S. K.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Strong light-matter interactions in layered transition metal dichalcogenides (TMDs) open up vivid possibilities for novel exciton-based devices. The optical properties of TMDs are dominated mostly by the tightly bound excitons and more complex quasiparticles, the biexcitons. Instead of physically exfoliated monolayers, the solvent-mediated chemical exfoliation of these 2D crystals is a cost-effective, large-scale production method suitable for real device applications. We explore the ultrafast excitonic processes in WS$_{2}$ dispersion using broadband femtosecond pump-probe spectroscopy at room temperature. We detect the biexcitons experimentally and calculate their binding energies, in excellent agreement with earlier theoretical predictions. Using many-body physics, we show that the excitons act like Weiner-Mott excitons and explain the origin of excitons via first-principles calculations. Our detailed time-resolved investigation provides ultrafast radiative and non-radiative lifetimes of excitons and biexcitons in WS$_{2}$. Indeed, our results demonstrate the potential for excitonic quasiparticle-controlled TMDs-based devices operating at room temperature.
description: 9 pages, 7 figures
DiPrompT: Disentangled Prompt Tuning for Multiple Latent Domain Generalization in Federated Learning
Creators: name: Bai, Sikai
name: Zhang, Jie
name: Li, Shuaicheng
name: Guo, Song
name: Guo, Jingcai
name: Hou, Jun
name: Han, Tao
name: Lu, Xiaocheng
Publisher: name: arXiv
Year: 2024
Subjects: subject: Machine Learning (cs.LG)
subject: Artificial Intelligence (cs.AI)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Federated learning (FL) has emerged as a powerful paradigm for learning from decentralized data, and federated domain generalization further considers the test dataset (target domain) is absent from the decentralized training data (source domains). However, most existing FL methods assume that domain labels are provided during training, and their evaluation imposes explicit constraints on the number of domains, which must strictly match the number of clients. Because of the underutilization of numerous edge devices and additional cross-client domain annotations in the real world, such restrictions may be impractical and involve potential privacy leaks. In this paper, we propose an efficient and novel approach, called Disentangled Prompt Tuning (DiPrompT), a method that tackles the above restrictions by learning adaptive prompts for domain generalization in a distributed manner. Specifically, we first design two types of prompts, i.e., global prompt to capture general knowledge across all clients and domain prompts to capture domain-specific knowledge. They eliminate the restriction on the one-to-one mapping between source domains and local clients. Furthermore, a dynamic query metric is introduced to automatically search the suitable domain label for each sample, which includes two-substep text-image alignments based on prompt tuning without labor-intensive annotation. Extensive experiments on multiple datasets demonstrate that our DiPrompT achieves superior domain generalization performance over state-of-the-art FL methods when domain labels are not provided, and even outperforms many centralized learning methods using domain labels.
Impact of merger histories on the timing argument estimate of the Local Group mass
Creators: name: Akib, Istiak
name: Hammer, François
name: Yang, Yanbin
Publisher: name: arXiv
Year: 2025
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The timing argument (TA) aims to find the total mass of the Local Group (LG) from the relative motions of the Milky Way (MW) and Andromeda Galaxy (M31). However, the classical TA always overestimates the LG mass, presumably because it does not account for the hierarchical scenario and other interactions such as that with the Large Magellanic Cloud (LMC). We focus on the impact of the recent major merger at M31 by using three merger models to find the peculiar motion of M31 within the simple two-body and point-mass scenario of TA. We found that the merger correction may affect the TA mass by either plus or minus 10-15% depending on the M31 tangential motion, which has very large uncertainties. If we consider a M31 merger configuration that reduces the TA mass by 10-15% to which we add the impact due to the LMC infall into the MW as reported in the literature, the TA mass would be found consistent with the LG mass from Hubble-Lemaitre flow. Galaxies are expected to experience about 16 major mergers each since z=11.5. Assuming all these mergers have similar impact on the TA mass as the most recent M31 merger, the ratio of LG mass to TA mass would be $0.85^{+0.65}_{-0.37}$ and such a TA mass is consistent with all the LG mass estimates. Our result also agrees with the findings using LG analogues in the cosmological simulations. We find that the TA mass estimate is limited by the hierarchical scenario, since it not possible to track the progenitors of both MW and M31 through so many mergers. We conclude that the MW-M31 dynamical system is far too complex to be modelled as a simple two-body point mass system.
description: Accepted in Astronomy and Astrophysics, February 14th 2025, 5 pages, 4 Figures
Australasian Groundwater Conference: Groundwater in a Changing World
Creators: name: National Centre For Groundwater Research And Training
name: Australian Chapter International Association Of Hydrogeologists
Publisher: name: Flinders University
Year: 2019
Subjects: groundwater
aquifers
water

description: The Australasian Groundwater Conference (AGC) was held in Brisbane Queensland, 24-27 November 2019. This conference was an epic event filled with informative presentations, entertaining networking events and stunning field trips exploring the sights and sounds that this subtropical dynamic region has to offer. The AGC 2019 featured a stimulating technical program around the theme of “Groundwater in a Changing World” that covered a broad range of applications to resources, infrastructure and environment. The program included stimulating plenary speakers, engaging panel discussions and enticing social events. Over 600 groundwater researchers, industry professionals and policy development specialists from around the region attended this unique event. There were many opportunities on offer for delegates to share their experiences, inform best practice, and identify the steps they can take to bring about lasting improvements to the management of our vital groundwater resources. Our hard working volunteer organisational team wishes to thank sponsors, speakers, delegates, exhibitors and volunteers for making the conference such a huge success!
Tunable superconducting diode effect in higher-harmonic InSb nanosheet interferometers
Creators: name: Wu, Xingjun
name: Wang, Ji-Yin
name: Su, Haitian
name: Yan, Shili
name: Pan, Dong
name: Zhao, Jianhua
name: Zhang, Po
name: Xu, H. Q.
Publisher: name: arXiv
Year: 2025
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Superconducting diodes, characterized by the nonreciprocal supercurrent flow, have gained significant attention for their potential in dissipationless electronics. This study presents a superconducting quantum interference device (SQUID) composed of two Al-InSb nanosheet Josephson junctions. Utilizing prepatterned local backgates, we achieve a gate- and flux-tunable superconducting diode with controllable efficiency in both amplitude and sign. Numerical simulations attribute the diode effect to higher harmonics in the current-phase relation. Crucially, fractional Shapiro step experiments provide direct insights into the evolution of these higher harmonics with flux tuning, showcasing significant enhancements in the second-harmonic signatures of the SQUID near half-integer flux quanta. Furthermore, we investigate the microwave-assisted diode response and experimentally show that the polarity of the diode effect can be switched by the microwave power. These results demonstrate the potential of InSb nanosheet-based hybrid devices as highly tunable elements for use in dissipationless electronics.
Least dilatation of pure surface braids
Creators: name: Loving, Marissa
Publisher: name: arXiv
Year: 2018
Subjects: subject: Geometric Topology (math.GT)
subject: Dynamical Systems (math.DS)
subject: Group Theory (math.GR)
subject: FOS: Mathematics

description: We study the minimal dilatation of pseudo-Anosov pure surface braids and provide upper and lower bounds as a function of genus and the number of punctures. For a fixed number of punctures, these bounds tend to infinity as the genus does. We also bound the dilatation of pseudo-Anosov pure surface braids away from zero and give a constant upper bound in the case of a sufficient number of punctures.
description: 16 pages, 9 figures, with an appendix by Marissa Loving and Hugo Parlier
Additional file 7 of Comparative transcriptome analyses on terpenoids metabolism in field- and mountain-cultivated ginseng roots
Creators: name: Fan, Hang
name: Li, Ke
name: Yao, Fan
name: Sun, Liwei
name: Liu, Yujun
Publisher: name: figshare
Year: 2019
Subjects: subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Inorganic Chemistry
subject: FOS: Chemical sciences

description: Table S1. Monthly average temperature and rainfall of Kuandian county. (DOCX 15 kb)
As inter-relações CTSA nos manuais escolares de ciências do 2º CEB
Creators: name: Fernandes, Isabel Marília Borges
name: Pires, Delmina Maria
Publisher: name: Instituto Politécnico de Bragança
Year: 2016

description: As Orientações Curriculares para o Ensino Básico preconizam o desenvolvimento de competências como o espírito crítico, a resolução de problemas e a aplicação de conhecimento em situações do quotidiano, que tornem os alunos cidadãos capazes de lidar com o meio em que estão inseridos, tornando-os aptos a aliar o conhecimento científico às questões problemáticas atuais. A abordagem da ciência numa perspetiva CTSA (Ciência, Tecnologia, Sociedade e Ambiente) parece-nos capaz de dotar os alunos das competências atrás referidas e, por isso, consideramos que deve estar incorporada nos manuais escolares. O estudo relatado neste artigo é parte integrante de uma investigação mais ampla que teve como principal objetivo perceber se manuais escolares recentes, do 5ºano de escolaridade, editados em 2010, exploram os conteúdos científicos interligando-os com a Tecnologia, a Sociedade e o Ambiente, e não como ciência pura, e/ou se apresentam atividades que apelam para o estabelecimento dessas relações. O estudo mostra que a visão integrada da ciência (nas suas relações com a tecnologia, a sociedade e o ambiente) ainda não é muito significativa nos manuais escolares. Palavras-chave: Perspetiva CTSA; literacia científica; manuais escolares de ciências; 5ºano
description: Eduser - Revista de Educação, v. 5 n. 2 (2013): Eduser - Revista de Educação
A escola como veículo de motivação e desenvolvimento dos alunos
Creators: name: Pontes, Maria Cecília Da Silva
name: Palma, Patrícia Jardim Da
Publisher: name: Instituto Politécnico de Bragança
Year: 2016

description: desenvolvimento e transformação dos alunos em futuros talentos. Deseja-se uma escola, onde formar é organizar contextos de aprendizagem estimulantes, ou seja, ambientes formativos que favoreçam o cultivo de atitudes saudáveis e o desenvolver de talentos de cada um com vista ao desenvolvimento das competências que lhes permitam viver em sociedade. O ideal no ato educativo seria o professor, tendo em conta a multiplicidade de estilos motivacionais existentes na sala de aula, ser capaz de adaptar os procedimentos didáticos a essa multiplicidade. Através das teorias motivacionais de Vroom e de Maslow, compreendem-se os fatores que agem sobre os jovens e movem o seu comportamento. Pela análise das respostas obtidas no Focus Group exploraram-se as causas da desmotivação e as estratégias motivadoras do ensinoaprendizagem. No final, são discutidas as principais conclusões e implicações do estudo. Palavras-chave: Escola, Alunos, Motivação, Talento.
description: Eduser - Revista de Educação, v. 6 n. 1 (2014): Eduser - Revista de Educação