cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Preventing early reading failure : an examination of the implementation of a phonological awareness program for young children
Creators: name: Smith, Veronica
Publisher: name: University of British Columbia
Year: 2009

description: This study examined the effectiveness of an early reading program, Firm Foundations, implemented in 13 kindergarten classrooms as part of a school district wide literacy initiative in 10 schools in a northern community in western Canada. Phonological awareness, spelling, and reading skills of each child (N = 151) in the participating classrooms were measured prior to and after implementation of the program. The level of implementation of the program, the school and child factors that influenced implementation, and the relation between implementation and child outcomes were examined. All teachers completed background and belief questionnaires, and principals in the participating schools were interviewed to determine their level of support for the program in their respective schools. Multilevel modeling techniques that accounted for the nested structure of the data showed that children who were taught more components of the Firm Foundations program were at less risk for reading failure on many of the outcome measures. Factors that were associated with higher levels of implementation of the program were principal support, teacher background and belief in the program, and a smaller number of children identified as at risk for reading failure in each classroom. The results support the use of early literacy programming, which includes phonological awareness and letter-sound mastery, for children at risk for reading failure. These findings are discussed in regard to the importance of conducting theory-based program evaluation of routine practice in classrooms and the importance of understanding the processes underlying successful program dissemination of classroom-based interventions.
Spatial Pressure Distribution of Cultivated Land and the Analysis of Food Safety in Kunming City, China
Creators: name: Peng, Er-Rui
name: Wang, Sui
name: Zhang, Jian-Sheng
name: Zhang, Chuan
name: Hao, Li-Sha
name: Peng, Er-Rui
name: Wang, Sui
name: Zhang, Jian-Sheng
name: Zhang, Chuan
name: Hao, Li-Sha
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: Food safety
subject: Index model of cultivated land pressure
subject: Minimum per capita cultivated land
subject: Regular pattern of spatial distribution
subject: China

description: The social and economical condition, cultivated land resources and general situation of grain production of research area are introduced. According to relevant data of cultivated land of Kunming City in 2006, taking the minimum per capita cultivated land and index model of cultivated land pressure, and combining with two conditions of per capita grain demand which are 300kg and 400kg, the comparative research method was used to calculate and analyze the minimum per capita cultivated land and index model of cultivated land pressure. The results show that when per capita grain demand-Gr is 300kg, the per capita cultivated land in Kunming City has regional differences, reflects different regular patterns of spatial distribution, and presents obvious and typical radial distribution. Urban area of Kunming has the lowest point and be taken as the center, per capita cultivated land decreases progressively from suburban to the periphery; when per capita grain demand-Gr is 400kg, under the same consumption level, cultivated land pressures of each county in Kunming City are different, and so are the driven factors; when per capita grain demand-Gr is 300kg or 400kg, the indexes of cultivated land pressure in Kunming are all greater than 1, cultivated land pressure is enormous, the indexes of cultivated land pressure of each county (district) have two conditions—greater than 1 and less than 2, and the reasons differ from one another. Combining with the spatial distribution characteristics of the cultivated land and food and the situation of industrial development, the countermeasures and suggestions are put forwarded to make full use of back-up cultivated land, to plan the distribution of industrial structure in each county (district) of Kunming City as a whole, to dispose cultivated land resources reasonably and so on.
On the distribution of the maximum of a gaussian field with d parameters
Creators: name: Azais, Jean-Marc
name: Wschebor, Mario
Publisher: name: arXiv
Year: 2005
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60G15, 60G70. (Primary)

description: Let I be a compact d-dimensional manifold, let X:I\to R be a Gaussian process with regular paths and let F_I(u), u\in R, be the probability distribution function of sup_{t\in I}X(t). We prove that under certain regularity and nondegeneracy conditions, F_I is a C^1-function and satisfies a certain implicit equation that permits to give bounds for its values and to compute its asymptotic behavior as u\to +\infty. This is a partial extension of previous results by the authors in the case d=1. Our methods use strongly the so-called Rice formulae for the moments of the number of roots of an equation of the form Z(t)=x, where Z:I\to R^d is a random field and x is a fixed point in R^d. We also give proofs for this kind of formulae, which have their own interest beyond the present application.
description: Published at http://dx.doi.org/10.1214/105051604000000602 in the Annals of Applied Probability (http://www.imstat.org/aap/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Spectroscopic realization of large surface gap in a doped magnetic topological insulator
Creators: name: Ma, Xiao-Ming
name: Zhao, Yufei
name: Zhang, Ke
name: Lu, Rui'e
name: Li, Jiayu
name: Yao, Qiushi
name: Shao, Jifeng
name: Wu, Xuefeng
name: Zeng, Meng
name: Hao, Yu-Jie
name: Kumar, Shiv
name: Hao, Zhanyang
name: Wang, Yuan
name: Liu, Xiang-Rui
name: Shen, Huiwen
name: Sun, Hongyi
name: Mei, Jiawei
name: Miyamoto, Koji
name: Okuda, Taichi
name: Arita, Masashi
name: Schwier, Eike F.
name: Shimada, Kenya
name: Deng, Ke
name: Liu, Cai
name: Zhao, Yue
name: Chen, Chaoyu
name: Liu, Qihang
name: Liu, Chang
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Realization of the quantum anomalous Hall effect and axion electrodynamics in topological materials are among the paradigmatic phenomena in condensed matter physics. Recently, signatures of both phases are observed to exist in thin films of MnBi$_2$Te$_4$, a stoichiometric antiferromagnetic topological insulator. Direct evidence of the bulk topological magnetoelectric response in an axion insulator requires an energy gap at its topological surface state (TSS). However, independent spectroscopic experiments revealed that such a surface gap is absent, or much smaller than previously thought, in MnBi$_2$Te$_4$. Here, we utilize angle resolved photoemission spectroscopy and density functional theory calculations to demonstrate that a sizable TSS gap unexpectedly exists in Sb-doped MnBi$_2$Te$_4$. This gap is found to be topologically nontrivial, insensitive to the bulk antiferromagnetic-paramagnetic transition, while enlarges along with increasing Sb concentration. Our work shows that Mn(Bi$_{1-x}$Sb$_x$)$_2$Te$_4$ is a potential platform to observe the key features of the high-temperature axion insulator state, such as the topological magnetoelectric responses and half-integer quantum Hall effects.
description: 18 pages, 4 figures
Espace agricole et production de viandes bovine et ovine dans la région semi-aride algérienne
Creators: name: Sadoud, M.
name: Sadoud, M.
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: Food Consumption/Nutrition/Food Safety
subject: Labor and Human Capital
subject: viande ovine
subject: viande bovine
subject: marché

description: En Algérie du point de vue gestion des bovins et ovins, l’alimentation constitue une contrainte de la conduite du cheptel [1]. Dans la région de Chlef, la base des productions de viandes bovine et ovine, est constituée en plus des parcours, de la céréaliculture et des fourrages. L’objectif de cette étude est d’examiner la relation entre espace agricole et les productions de viandes bovine et ovine. Les animaux changent plusieurs fois de mains au cours de leur vie avant d'être abattus ; mais la dernière vente pour l'abattage, a lieu très généralement sur le marché [2]. Les 2/3 des terres de la SAU est destinés à l’alimentation animale Les rapports de prix viandes céréales, sont restés presque les mêmes, se situant autours de 20. Ainsi, les prix garantis à la production pour les blés ont augmenté beaucoup plus que les prix des viandes sur le marché libre. La valeur des productions animales représente 1/3, contre 2/3 pour les productions végétales.
Imaging spin flows in semiconductors subject to electric, magnetic, and strain fields
Creators: name: Crooker, S. A.
name: Smith, D. L.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Using scanning Kerr microscopy, we directly acquire two-dimensional images of spin-polarized electrons flowing laterally in bulk epilayers of n:GaAs. Optical injection provides a local dc source of polarized electrons, whose subsequent drift and/or diffusion is controlled with electric, magnetic, and - in particular - strain fields. Spin precession induced by controlled uniaxial stress along the <110> axes demonstrates the direct k-linear spin-orbit coupling of electron spin to the shear (off-diagonal) components of the strain tensor.
description: 5 pages, 5 color figures
Superluminous Supernovae
Creators: name: Poidevin, Frédérick
Publisher: name: Zenodo
Year: 2024
Subjects: Superluminous Supernovae

description: Discovered about 20 years ago, superluminous supernovae (SLSNe) are explosions peaking at absolute magnitudes 1) SLSNe and pair-instability SNe are expected to be detected with the Rubin Observatory LSST. They will allow us to constrain properties of massive stars expected to be the progenitors of such SNe when the universe was younger (Moriya et al. 2022; Tanikawa et al. 2023). High-redshift superluminous SNe may also provide additional cosmological parameter constraints (Inserra et al. 2018). At the IAC we are experienced with such transients (Poidevin etal. 2022, 2023) as we conducted several surveys using LT, NOT and GTC on this class of objects. At redshifts z ~ 1, assuming an absolute magnitude of about -22 mag AB, a typical SLSN will have an apparent magnitude close to m=21.5 mag AB. Using GTC, we plan to develop similar programs to discover and follow-up LSST-selected SLSNe in this higher redshift range.
A Nonmonotone Matrix-Free Algorithm for Nonlinear Equality-Constrained Least-Squares Problems
Creators: name: Bergou, E.
name: Diouane, Y.
name: Kungurtsev, V.
name: Royer, C. W.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optimization and Control (math.OC)
subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: Least squares form one of the most prominent classes of optimization problems, with numerous applications in scientific computing and data fitting. When such formulations aim at modeling complex systems, the optimization process must account for nonlinear dynamics by incorporating constraints. In addition, these systems often incorporate a large number of variables, which increases the difficulty of the problem, and motivates the need for efficient algorithms amenable to large-scale implementations. In this paper, we propose and analyze a Levenberg-Marquardt algorithm for nonlinear least squares subject to nonlinear equality constraints. Our algorithm is based on inexact solves of linear least-squares problems, that only require Jacobian-vector products. Global convergence is guaranteed by the combination of a composite step approach and a nonmonotone step acceptance rule. We illustrate the performance of our method on several test cases from data assimilation and inverse problems: our algorithm is able to reach the vicinity of a solution from an arbitrary starting point, and can outperform the most natural alternatives for these classes of problems.
Sistemas de calificación y desarrollo rural: Análisis comparado entre los casos de Portugal y Argentina
Creators: name: Simoes, Orlando
name: Velarde, Irene
name: Schiavone, Elena
name: Simoes, Orlando
name: Velarde, Irene
name: Schiavone, Elena
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: Food Consumption/Nutrition/Food Safety
subject: Labor and Human Capital
subject: Acción colectiva
subject: sistemas de calificación
subject: indicaciones geográficas.

description: Los “Sellos de calidad” que vinculan el alimento con su origen geográfico y las tradiciones, y cuyo fin es traducir al consumidor las cualidades especiales del producto, constituyen sistemas voluntarios de diferenciación, basados en la certificación por un tercero independiente (privado o estatal) de esos atributos derivados del origen geográfico Su obtención y uso efectivo posterior, requieren de la organización colectiva de los actores, tanto en la codificación de sus prácticas de cultivo y elaboración, como del control de su cumplimiento. La “apropiación” de ese valor diferencial que se origina en el atributo calificado, se concreta en sellos, que pueden ser a su vez, marcas individuales de gestión conjunta, o colectivas o de certificación; o indicaciones geográficas y denominaciones de origen. Ello porque desde el enfoque jurídico, son los únicos instrumentos que brindan acciones legales y/o administrativas de exclusión frente a terceros que imitan o falsifican ese producto. Ahora bien, atento a que en el marco del ADPIC se ha reconocido que la protección de las indicaciones geográficas es viable tanto mediante marcas colectivas o de certificación (sistema anglosajón), como del sistema sui generis o especial de las indicaciones geográficas y denominaciones de origen, la forma en que los distintos países implementan el reconocimiento y registro, tiene implicancias en los procesos de acción colectiva que se desarrollan para ese reconocimiento. Un breve recorrido por los distintos sistemas previstos en la Unión Europea y en países latinoamericanos permite apreciar que el sistema está en franca construcción, frente a la gran diversidad de situaciones socio-económicas y productivas. El conocimiento acerca de la aplicación de sistemas normativos de calificación, a partir de la comparación entre los casos de Portugal y Argentina, aporta al debate de algunos de los resultados esperados logrados y no logrados de los distintos sistemas hasta ahora implementados y precisar algunos de los problemas percibidos.
Anti-inflammatory and ulcerogenic activity of newer phytoisolates of Swertia alata C.B. Clarke
Creators: name: Sakshi Bajaj
name: Wakode, Sharad
name: Avneet Kaur
name: Shivkanya Fuloria
name: Fuloria, Neeraj
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Pharmacology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology

description: The present study was intended to evaluate the in vitro (COX-1/COX-2) and in vivo anti-inflammatory and ulcerogenic activity of newer phytoconstituents isolated from the aerial parts of Swertia alata C.B. Clarke (Gentianaceae). For isolation of newer phytoconstituents, the ethanolic extract of aerial parts of S. alata was subjected to column chromatography using mixture of petroleum ether and chloroform in various concentrations, which yielded two phytoisolates characterised as nonacosyl triacontanoate (SA-3) and 8-O-glucpyranosyl-(2-acetyl)-1,3-dihydroxy-5-methoxy-xanthone (SA-9). Identification of compounds was based on melting point, UV, FTIR, 1H-NMR, 13C-NMR and mass spectrometric data. The isolates were screened for in vitro COX-1/COX-2 inhibitory activity, in vivo anti-inflammatory and ulcerogenic activity. Among the two compounds, SA-3 was found to be more effective than SA-9. The ulcerogenic study revealed significant gastric tolerance of SA-3 and SA-9 in comparison to indomethacin.
Relating the ElectroWeak scale to an extra dimension: constraints from ElectroWeak Precision Tests
Creators: name: Marandella, Guido
name: Papucci, Michele
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In models with supersymmetry breaking by boundary conditions on an extra dimension it is possible to relate in a quantitative natural way the Fermi scale to the size of the extra dimension. We analyze in detail the compatibility of such models with ElectroWeak Precision Tests.
description: 17 pages, 5 figures
The importance of obtaining a more balanced relationship between the long and short food chain in the worldwide market for farm and food produce. A contribution to the debate on the capabilities of the short chain.
Creators: name: Sini, Maria Paola
name: Sini, Maria Paola
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: Food Consumption/Nutrition/Food Safety
subject: Labor and Human Capital
subject: Market
subject: Short chain
subject: Globalisation

description: This paper is intended as an approach to the complex matter of the co-existence of long and short chains. It introduces a stimulus to further study these questions more thoroughly, which current market situations lead us to believe will be an interesting field, and one well worthy of consideration. The potentials and limits of short chain efficiency are analyzed in different contexts, in order to help identify its correct collocation in the search for the best combination of the different ways by which products can be released on the markets, with specific reference to the coexistence of the short and long chain. On this regard, a brief examination is also made of the effects of growing wholesaler power and the possibilities of a relevant control. Amongst other aspects, the paper highlights the fact that the relationship between short and long chain need not always be one of conflict, and refers particularly to the scope of agricultural-industrial districts. Context analysis, and specifically SWOT analysis, has been used to debate two different contexts. Many different situations have been examined and summarized, and amassed into two large context groups: developed and underdeveloped countries. The connections between short chain, self-centred development and protectionism are considered. The need is highlighted, and difficulty evaluated, of construction suitable models simulating alternative agricultural-food market function both on a local and global scale, also with reference to region and international trade growth models based on heterodox rather than orthodox development theories. This involves the need to identify emblematic indicators that are able to provide a summary expression of data and information to be included in these models in order to active them. As such, as set of indicators of the short chain juxtaposed to the long chain, suitable to assessing the social and economic, as well as environmental impacts, is proposed, and its validity discussed. The results of the analyses performed contribute towards evaluating and choosing the most appropriate options for the release of the product, for the different types of agricultural companies in different settings.
Sekikaic acid modulates pancreatic β-cells in streptozotocin-induced type 2 diabetic rats by inhibiting digestive enzymes
Creators: name: Tatipamula, Vinay Bharadwaj
name: Annam, Satya Sowbhagya Priya
name: Nguyen, Ha Thi
name: Haritha Polimati
name: Yejella, Rajendra Prasad
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Physiology
subject: Pharmacology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified

description: The antioxidant and antidiabetic effects of sekikaic acid (SA) were investigated using in vitro and in vivo study models. SA possessed good antioxidant activity as assessed through hydroxyl radicals (IC50 value = 41.5 µg/mL) and ferric ions assay (IC50 value = 42.0 µg/mL). SA exhibited stronger α-glucosidase and α-amylase inhibition than that of aldose-reductase and protein tyrosine phosphatase 1B. The hypoglycemic activity of SA caused significant reduction of plasma glucose levels in normal and glucose loaded rats. The anti-hyperglycemic activity of SA (2 mg/Kg body weight) was indicated by the reduction of blood glucose by 44.17 ± 3.78% in the third week in streptozotocin-induced diabetic rats. The hypolipidaemic action of SA was evident by the significant decrease in the levels of low-density lipoprotein, total cholesterol, and total glycerides. Histologically, the pancreas of the treated groups showed significant regeneration of the pancreatic β-cells compared to diabetic control, possibly due to the inhibition of digestive enzymes.
Exit from farming and land abandonment in Northern Norway
Creators: name: Stokstad, Grete
name: Stokstad, Grete
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: Food Consumption/Nutrition/Food Safety
subject: Labor and Human Capital
subject: Farm exit
subject: abandoned land
subject: logistic regression.

description: The combination of nature and farmed land is one reason why Northern Norway is attracting tourists. It is therefore of interest to know which farms that are more likely to quit faming, and to see what factors that are important for abandonment of farm land when the owner of the farm exits farming. Our results indicate that smaller properties in areas with few farmers are the most likely to be abandoned. Property structure is another important factor for abandonment, but is less important for the exit-decision. Size of the farm, including both rented and own farm land, appears to be more important for the exit-decision. Larger farm operations, with breeding stock, primary sheep and dairy cattle are more likely to continue farming.
In their own words : exploring survival factors in suicidal Aboriginal youth : a critical incident study
Creators: name: Arato-Bollivar, Juliette
Publisher: name: University of British Columbia
Year: 2009

description: This study explores the survival factors that suicidal Aboriginal Youth used to keep themselves alive. The purpose of this study was to develop categories that would identify themes in the events reported by Aboriginal individuals, by exploring the research question: "What are the critical incidents contributing to survival in suicidal aboriginal youth?". The research method involved interviews with 20 adult (18 and over) Aboriginal volunteers (all residents of British Columbia) who possessed the ability to articulate, identify and discuss their stories of survival. The Critical Incident Technique (Flanagan, 1954) was utilized to elicit 254 incidents from 20 participants. Fourteen categories were created from the analysis of all events reported. Thorough validation techniques were applied in order to test the soundness and comprehensiveness of the categories. In addition, efforts were made to examine fit with the literature of the categories and expert commentary concerning the results was provided. The categories reflected that survival factors included: Responsibility to Others, Connection to/Love of Family, Professional Support, Support of Non family/ Non Professional Individuals, Cognitive Shift/ Change in Thinking, Avoiding a Negative Environment, Formal Education, Connection to Cultural Heritage, Getting Sober, Normalizing One's Difficult Experiences/Learning You Are Not Alone, Spirituality, Connection to Nature, Self Acceptance/Love/Care, and Sense of Purpose/Making a Difference. In addition, gender differences were examined and, through incidental commentary of the participants, factors hindering survival were identified. The findings of this study contribute to the field of counselling psychology by providing a scheme of categories that attempt to describe, from the perspective of Aboriginal people, what has aided them in surviving suicidal thoughts, actions and behaviours, in their youth. This research suggests promising developments in Aboriginal survival and contains implications for practice and research.
Transversity of quarks and nucleons in SIDIS and Drell Yan
Creators: name: Gamberg, Leonard P.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We consider the leading and sub-leading twist $T$-odd and even contributions to the $\cos 2ϕ$ azimuthal asymmetry in unpolarized dilepton production in Drell-Yan Scattering and semi-inclusive deep inelastic scattering of pions.
description: LaTeX2e, 4 pages, 4 ps figures, uses ws-procs9x6. Contribution to the 16th International Spin Physics Symposium, SPIN2004, October 10-16, 2004, Trieste, Italy
Assessment of Various Density Functionals and Basis Sets for the Calculation of Molecular Anharmonic Force Fields
Creators: name: Boese, A. Daniel
name: Klopper, Wim
name: Martin, Jan M. L.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: In a previous contribution (Mol. Phys. {\bf 103}, xxxx, 2005), we established the suitability of density functional theory (DFT) for the calculation of molecular anharmonic force fields. In the present work, we have assessed a wide variety of basis sets and exchange-correlation functionals for harmonic and fundamental frequencies, equilibrium and ground-state rotational constants, and thermodynamic functions beyond the RRHO (rigid rotor-harmonic oscillator) approximation. The fairly good performance of double-zeta plus polarization basis sets for frequencies results from an error compensation between basis set incompleteness and the intrinsic error of exchange-correlation functionals. Triple-zeta plus polarization basis sets are recommended, with an additional high-exponent $d$ function on second-row atoms. All conventional hybrid GGA functionals perform about equally well: high-exchange hybrid GGA and meta-GGA functionals designed for kinetics yield poor results, with the exception of of the very recently developed BMK functional which takes a middle position along with the HCTH/407 (second generation GGA) and TPSS (meta-GGA) functionals. MP2 performs similarly to these functionals but is inferior to hybrid GGAs such as B3LYP and B97-1.
description: Int. J. Quantum Chem., in press (special issue on vibrational spectroscopies)
On the Dopability of Semiconductors and Governing Material Properties
Creators: name: Goyal, Anuj
name: Gorai, Prashun
name: Anand, Shashwat
name: Toberer, Eric S.
name: Snyder, G. Jeffrey
name: Stevanovic, Vladan
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: To be practical, semiconductors need to be doped. Sometimes, to nearly degenerate levels, e.g. in applications such as thermoelectric, transparent electronics or power electronics. However, many materials with finite band gaps are not dopable at all, while many others exhibit strong preference toward allowing either p- or n-type doping, but not both. In this work, we develop a model description of semiconductor dopability and formulate design principles in terms of governing materials properties. Our approach, which builds upon the semiconductor defect theory applied to a suitably devised (tight-binding) model system, reveals analytic relationships between intrinsic materials properties and the semiconductor dopability, and elucidates the role and the insufficiency of previously suggested descriptors such as the absolute band edge positions. We validate our model against a number of classic binary semiconductors and discuss its extension to more complex chemistries and the utility in large-scale material searches.
Serrano Cheese and Coalho Cheese: tradition enhancement as an alternative to territorial development in Campos de Cima da Serra and Sertão Sergipano do São Francisco, Brazil
Creators: name: Cruz, Fabiana Thome Da
name: Menezes, Sonia Souza Mendonca
name: Cruz, Fabiana Thome Da
name: Menezes, Sonia Souza Mendonca
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: Food Consumption/Nutrition/Food Safety
subject: Labor and Human Capital
subject: Serrano and Coalho Cheeses
subject: rural development
subject: small farmers.

description: In this article, we used empirical data from research related to the production of two traditional cheeses in Brazil: the Serrano Cheese and Coalho Cheese, produced, respectively, in Campos de Cima da Serra, Rio Grande do Sul, and Sertão Sergipano, in Sergipe. The production characteristics and similarities found between the modes of production of these products, the cultural and historical aspects that approximate these cheeses produced in two geographically distant regions in Brazil, provide elements to discuss the role of traditional foods as promoters of rural development strategies. In this article, our aim is to emphasize the debate around the potential of connection between consumers and producers towards organization and consolidation of short circuits of production and distribution of traditional foods. In the limit, the debate we propose points out the role of these spaces or local markets - alternative to the hegemonic ones - in rural development strategies.
Caracterización de la Producción de Frijol (Vigna sp.) en los Municipios Turén y Santa Rosalía del Estado Portuguesa (2000-2005)
Creators: name: Torres, Andrew
name: Paredes, Franklin
name: Torres, Andrew
name: Paredes, Franklin
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: Food Consumption/Nutrition/Food Safety
subject: Labor and Human Capital
subject: Rural
subject: Competitividad e integración.

description: En esta investigación se caracteriza la producción de frijol (Vigna sp.) en los Municipios Turén y Santa Rosalía del estado Portuguesa. Se aplicó una encuesta a los productores de la Unidad de Estudio, luego se determinaron diversas estadísticas descriptivas. Se aplicó un Análisis Factorial de Componentes Principales (AFCP) a fin de identificar variables subyacentes. Entre los resultados destacan: 1) los productores consideran importante la integración empresarial, sugiriendo que existe una gran oportunidad en este sentido; 2) los productores están dispuestos a recibir adiestramiento; 3) las familias de los productores consideran que el Frijol puede ser mejor aprovechado; 4) hay una actitud positiva hacia la innovación, lo que posibilita elevar el valor agregado del producto, 5) existen carencias importantes en lo referente a servicio públicos: agua potable (73%), electricidad (69%), aguas negras (92%) y disconformidad por el mal estado de las vías agrícolas; 6) los productores en su mayoría consideran deficiente la asistencia técnica, financiera y el manejo de la información de mercado; 7) el AFCP indica que los factores: tierra, gestión de competencia, condiciones productivas y la mejora en asistencia técnica pueden elevar la competitividad.
Drastic effects of damping mechanisms on the third-order optical nonlinearity
Creators: name: Koshino, Kazuki
name: Ishihara, Hajime
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We have investigated the optical response of superradiant atoms, which undergoes three different damping mechanisms: radiative dissipation ($γ_r$), dephasing ($γ_d$), and nonradiative dissipation ($γ_n$). Whereas the roles of $γ_d$ and $γ_n$ are equivalent in the linear susceptibility, the third-order nonlinear susceptibility drastically depends on the ratio of $γ_d$ and $γ_n$: When $γ_d \ll γ_n$, the third-order susceptibility is essentially that of a single atom. Contrarily, in the opposite case of $γ_d \gg γ_n$, the third-order susceptibility suffers the size-enhancement effect and becomes proportional to the system size.
description: 5pages, 2figures
The Analysis of the Tobacco Product Bans Using a Random Coeﬃcients Logit Model
Creators: name: Olesinski, Bartosz
Publisher: name: figshare
Year: 2020
Subjects: subject: 140302 Econometric and Statistical Methods
subject: FOS: Economics and business
subject: Economics

description: R appendix for the paper "The Analysis of the Tobacco Product Bans Using a Random Coeﬃcients Logit Model", authored Bartosz Olesiński, published in Central European Journal of Economic Modelling and Econometrics, Volume 12 Issue 2 / 2020.
Characteristics and organization of the Fairtrade market in Brazil
Creators: name: Valentini, Elena
name: Valentini, Elena
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: Food Consumption/Nutrition/Food Safety
subject: Labor and Human Capital
subject: fair trade
subject: solidarity economy
subject: local development

description: Fair Trade is defined as a set of socio-economic activities which are alternative to traditional and international trade. It began from the belief that the principal market's laws tend to cause serious damage to the South, and especially to the many workers devoted to 'agriculture'. The concept of Fair Trade is very important and powerful because it states that all trades should follow right principles; this statement highlights the importance of the movement as a regulatory model for all the incorporation models of trade regulations[1]. In this paper, with both historical and analytical approaches, we will try to analyze the economic paradigms which are taking place in the South and to highlight the importance, sometimes forgotten by stakeholders in the North, of Fair Trade as a new way to change market rules and turn them to the service of those who are excluded from the economic system. We have taken as a case study Brazil, which since 2001 has undertaken a very attractive challenge: to become not just a supplier, but producer and consumer of Fair Trade food and hand-made products too. Various social actors in Brazil have formed a discussion platform named the Forum de Articulação do Comércio Ético e Solidário(FACES), in order to discuss and suggest the construction of a favourable and necessary environment for the implementation of a cohesive national market. With the promotion and the construction of a Brazilian Fair Trade system it will be possible to ensure a national identity for the concept and to create a cohesive national market, promoting the diffusion of products and producers as part of the system. This works for the South-South economy but also for the North-North version, thanks to the construction of "networks of solidarity economy" in which the relationship between producers and consumers is measured by social and human "indicators" too, not only by monetary and financial ones.
First apsidal motion and light curve analysis of 162 eccentric eclipsing binaries from LMC
Creators: name: Zasche, P.
name: Wolf, M.
name: Kučáková, H.
name: Kára, J.
name: Merc, J.
name: Zejda, M.
name: Skarka, M.
name: Janík, J.
name: Kurfürst, P.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present an extensive study of 162 early-type binary systems located in the LMC galaxy that show apsidal motion and have never been studied before. For the ample systems, we performed light curve and apsidal motion modelling for the first time. These systems have a median orbital period of 2.2 days and typical periods of the apsidal motion were derived to be of the order of decades. We identified two record-breaking systems. The first, OGLE LMC-ECL-22613, shows the shortest known apsidal motion period among systems with main sequence components (6.6 years); it contains a third component with an orbital period of 23 years. The second, OGLE LMC-ECL-17226, is an eccentric system with the shortest known orbital period (0.9879 days) and with quite fast apsidal motion period (11 years). Among the studied systems, 36 new triple-star candidates were identified based on the additional period variations. This represents more than 20% of all studied systems, which is in agreement with the statistics of multiples in our Galaxy. However, the fraction should only be considered as a lower limit of these early-type stars in the LMC because of our method of detection, data coverage, and limited precision of individual times of eclipses.
description: 24 pages, 18 figures, 5 tables, published in 2020A&A...640A..33Z
Relationship of the Interests between the Dairy Farmer and the Company in Ecological Agriculture －A Case of the Dairy Industry in Sichuan Province, China
Creators: name: Chen, Jia-Wei
name: Qi, Yan-Bin
name: Chen, Jia-Wei
name: Qi, Yan-Bin
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: Game theory
subject: Equilibrium
subject: High quality milking
subject: Moral risk
subject: China

description: Development status of dairy industry in Sichuan Province, China is analyzed, indicating that how to ensure the high-quality and ecological production of peasant households has become an important issue for the safety and healthy of the masses and the development of dairy industry. Game model is established and the solution for the model is obtained. Based on analyzing the relationship of the interests between the dairy farmer and the company in ecological agriculture, two mixed strategies of Nash equilibrium are obtained. One is that when the probability is equal to , there are no differences between purchasing or not purchasing; if the probability of company purchase is equal to , there are no differences between producing high-quality milk and poor-quality milk. The other is that if the probability of dairy farmer under normal transaction is equal to , there are no differences for the company to select high-quality inspection or low-quality inspection; if the probability of high-quality inspection is equal to , passing off inferior milk as high-grade one has no differences with normal transaction. Therefore, moral risk of the dairy farmer should be prevented by probability and high-quality inspection. Finally, countermeasures are put forward, such as reducing the risk of transaction, ensuring the basic interest of the dairy farmer engaged in ecological production, intensifying the supervision, correctly preventing the moral risk of dairy farmer, improving the laws and regulations, and coordinating interests between dairy farmer and company in industrial chain.
Asymmetric universal entangling machine
Creators: name: Horoshko, Dmitri
name: Kolobov, Mikhail
name: Kilin, Sergei
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We give a definition of asymmetric universal entangling machine which entangles a system in an unknown state to a specially prepared ancilla. The machine produces a fixed state-independent amount of entanglement in exchange to a fixed degradation of the system state fidelity. We describe explicitly such a machine for any quantum system having $d$ levels and prove its optimality. We show that a $d^2$-dimensional ancilla is sufficient for reaching optimality. The introduced machine is a generalization to a number of widely investigated universal quantum devices such as the symmetric and asymmetric quantum cloners, the symmetric quantum entangler, the quantum information distributor and the universal-NOT gate.
description: 28 pages, 3 figures
Meta-research on the learner perspective on micro-credential formats and learning services for continuing education and professional development. (Research Report No. 2.1)
Creators: name: Carles Bruguera
name: Àngels Fitó
name: Carmen Pagés
name: Alessandra Antonaci
Publisher: name: Zenodo
Year: 2022
Subjects: micro-credentials
learners' perspectives
learners' drivers
MCE

description: The deliverable presents a systematic literature review investigating the learner's perspective towards micro-credentials format, taking into consideration the research carried out in the last five years. After applying the PRISMA methodology, a total of 48 papers were included. Check out the document to find our results.
Relativistic kinetic theory of magnetoplasmas
Creators: name: Beklemishev, Alexei
name: Nicolini, Piero
name: Tessarotto, Massimo
Publisher: name: arXiv
Year: 2004
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Recently, an increasing interest in astrophysical as well as laboratory plasmas has been manifested in reference to the existence of relativistic flows, related in turn to the production of intense electric fields in magnetized systems. Such phenomena require their description in the framework of a consistent relativistic kinetic theory, rather than on relativistic MHD equations, subject to specific closure conditions. The purpose of this work is to apply the relativistic single-particle guiding-center theory developed by Beklemishev and Tessarotto, including the nonlinear treatment of small-wavelength EM perturbations which may naturally arise in such systems. As a result, a closed set of relativistic gyrokinetic equations, consisting of the collisionless relativistic kinetic equation, expressed in hybrid gyrokinetic variables, and the averaged Maxwell's equations, is derived for an arbitrary four-dimensional coordinate system.
description: 6 pages, 1 figure. Contributed to the Proceedings of the 24th International Symposium on Rarefied Gas Dynamics, July 10-16, 2004 Porto Giardino Monopoli (Bari), Italy
Research on the Tourism Marketing Strategy of the New Countryside-" Auspicious Four Seasons" in Wuhan
Creators: name: Li, Ya-Juan
name: Hu, Jing
name: Li, Ya-Juan
name: Hu, Jing
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: New village
subject: Marketing management
subject: Auspicious four seasons，China

description: On the basis of expounding connotation of "auspicious four seasons", the paper introduces related situations of spring peach blossom village, summer pomegranate blossom village, autumn osmanthus blossom village and winter plum blossom village, as well as major project and profit of "auspicious four seasons" new village tourism in Wuhan city. Development situations of "auspicious four seasons" new village tourism in Wuhan city are analyzed by using SWOT analysis. Among them, the strengths are analyzed from four aspects of geographical strengths, transportation superiority, rich natural resources and attached great importance by government, the weaknessses are illustrated from the five aspects of backward infrastructure construction, unsound governmental functions, needing improvement of service consciousness and service quality of villagers, shortage of publicity, insufficient input competence of tourism, the opportunities are analyzed from the two aspects of policy guarantee and tourism demand, the threats are analyzed from the two aspects of serious homogenization of tourism products and increasingly improved expected value of tourism products. Based on the analysis above, tourism marketing strategies of the new village—"auspicious four seasons" in Wuhan are put forward: First, strengthening publicity, it includes using network marketing strategies, enhancing traditional marketing publicity, strengthening festival tourism publicity and intensifying celebrity charm; Second, launching various new village tourism projects, it includes vigorously extending picking and exhibition tourism of fruits and vegetables, launching rural education tourism, launching flowers and plants cultural tourism and wedding celebration tourism, launching leisure tourism for old people and building learning base of new village construction; Third, exerting resource superiority of Han River water area, developing aquatic tourism projects, it mainly includes developing pleasure-boat of different types and grades, strengthening construction of waterfront accessible space and enhancing connection and cooperation with travel agencies.
Low-lying electronic terms of diatomic molecules AB (A = Sc–Ni, B = Cu/Ag/Au)
Creators: name: Davood Alizadeh Sanati
name: Andrae, Dirk
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biochemistry
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Cell Biology
subject: Molecular Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Marine Biology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Low-lying electronic terms of 24 heteronuclear diatomic molecules AB (A = Sc–Ni, B = Cu/Ag/Au) have been systematically studied. Scalar relativistic effects were included by use of the spin-free Douglas–Kroll–Hess (DKH) Hamiltonian. The complete active space self-consistent field (CASSCF) method, followed by multi-reference configuration interaction (MRCI), was used to construct full potential energy curves (PECs). Spectroscopic constants as well as dipole moments are also reported. Spin-orbit coupling was subsequently calculated perturbatively via the spin-orbit terms of the Breit–Pauli Hamiltonian based on the CASSCF wavefunctions. Full spin-orbit coupled PECs were thus constructed for the low-lying terms of NiCu and NiAg. In addition, Kramers-restricted configuration interaction (KRCI) with the exact 2-component (X2C) Hamiltonian was utilised for the atoms and for the Cu-containing diatomic molecules. The influence of relativistic effects, spin-orbit coupling, core correlation effects and basis set incompleteness was probed for some selected cases. It is shown that for 23 out of the 24 diatomic molecules considered here a direct correspondence exists between the ground state terms (GSTs) of the monocations A+((3d4s)m−12S+1LJ,m=3(Sc)−10(Ni)) and those of the diatomic molecules AB((σσσπδ)m+1X2S′+1ΛΩ) with S′=S, Λ=L and Ω=J.