cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Efficiencies of Rice Production in Union Territory of Pondicherry
Creators: name: Nasurudeen, P.
name: Nasurudeen, P.
Publisher: name: Unknown
Year: 2009
Subjects: Agricultural and Food Policy

description: The efficiency of paddy farms in the Union Territory of Pondicherry has been measured for the year 2005- 06 using data envelopment analysis (DEA). It has revealed that about 12.62 per cent of the farmers who operate rice farms belong to the most efficient category (90-100 per cent) and 23.45 per cent belong to the least efficient group (less than 50 pr cent), with the mean technical efficiency of 64 per cent. The allocative efficiency measure has indicated that about 15.86 per cent of the farmers belong to the most efficient category and 21 per cent to the least efficient group, with the mean allocative efficiency of 76 per cent. This suggests that the farms on an average, produce only about two-thirds of the potential output level. Also, there is possibility to increase the output level by 36 per cent in the short-run. The mean allocative efficiency measure has indicated that the rice farmers could reduce the costs by about 24 per cent by adoption of appropriate technologies and management practices. The returns to scale co-efficient have been found fairly distributed, suggesting that there is no systematic pattern in farms being too big or too small. More than one-third of the farmers belong to the most efficient scale group (90-100 per cent) and 4.18 per cent operate the farms in the least scale efficient group. Most of the allocative inefficiency can be attributed to over-use of labour, fertilizers and chemicals and this situation warrants policy interventions. Concerted efforts are essential to bridge the gap between awareness level and adoption of technologies by strengthening the agricultural extension system.
title: Рабочая тетрадь к курсу «Методология и методы научного исследования»
Creators: name: ELS IPR BOOKS
Publisher: name: Северо-Осетинский государственный педагогический институт
Year: 2020

description: Рабочая тетрадь «Методология и методы научного исследования» разработана в соответствии с Федеральным государственным образовательным стандартом высшего образования по направлению подготовки 44.04.01 Педагогическое образование, квалификация Магистр. Учебное издание предназначено для использования на практических занятиях и в ходе самостоятельной работы магистрантов по дисциплине «Методология и методы научного исследования», а также при подготовке к научно-исследовательской практике и написанию магистерской выпускной квалификационной работы. Рабочая тетрадь содержит разнообразные задания, способствующие формированию исследовательской компетентности и повышению исследовательской культуры магистрантов.
Hamiltonian Noether theorem for gauge systems and two time physics
Creators: name: Villanueva, V. M.
name: Nieto, J. A.
name: Ruiz, L.
name: Silvas, J.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The Noether theorem for Hamiltonian constrained systems is revisited. In particular, our review presents a novel method to show that the gauge transformations are generated by the conserved quantities associated with the first class constraints. We apply our results to the relativistic point particle, to the Friedberg et al. model and, with special emphasis, to two time physics.
description: 20 pages, Latex, references added, the "massless" sense of (87) is clarified
Long-term evolution of a magnetic massive merger product
Creators: name: Schneider, F. R. N.
name: Ohlmann, S. T.
name: Podsiadlowski, Ph.
name: Roepke, F. K.
name: Balbus, S. A.
name: Pakmor, R.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: About 10% of stars more massive than ${\approx}\,1.5\,\mathrm{M}_\odot$ have strong, large-scale surface magnetic fields and are being discussed as progenitors of highly-magnetic white dwarfs and magnetars. The origin of these fields remains uncertain. Recent 3D magnetohydrodynamical simulations have shown that strong magnetic fields can be generated in the merger of two massive stars. Here, we follow the long-term evolution of such a 3D merger product in a 1D stellar evolution code. During a thermal relaxation phase after the coalescence, the merger product reaches critical surface rotation, sheds mass and then spins down primarily because of internal mass readjustments. The spin of the merger product after thermal relaxation is mainly set by the co-evolution of the star-torus structure left after coalescence. This evolution is still uncertain, so we also consider magnetic braking and other angular-momentum-gain and -loss mechanisms that may influence the final spin of the merged star. Because of core compression and mixing of carbon and nitrogen in the merger, enhanced nuclear burning drives a transient convective core that greatly contributes to the rejuvenation of the star. Once the merger product relaxed back to the main sequence, it continues its evolution similar to that of a genuine single star of comparable mass. It is a slow rotator that matches the magnetic blue straggler $τ$ Sco. Our results show that merging is a promising mechanism to explain some magnetic massive stars and it may also be key to understand the origin of the strong magnetic fields of highly-magnetic white dwarfs and magnetars.
description: 17 pages (incl. appendix), 14 figures, 2 tables; accepted for publication in MNRAS
Unconventional density wave in CeCoIn_5?
Creators: name: Dóra, Balázs
name: Maki, Kazumi
name: Virosztek, Attila
name: Ványolos, András
Publisher: name: arXiv
Year: 2004
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Very recently large Nernst effect and Seebeck effect were observed above the superconducting transition temperature 2.3K in a heavy fermion superconductor CeCoIn_5. We shall interpret this large Nernst effect in terms of unconventional density wave (UDW), which appears around T=18K. Also the temperature dependence of the Seebeck coefficient below T=18K is described in terms of UDW. Another hallmark for UDW is the angular dependent magnetoresistance, which should be readily accessible experimentally.
description: 4 pages, 7 figures
Improved Hc2 in Bulk-Form Magnesium Diboride by Mechanical Alloying With Carbon
Creators: name: Senkowicz, B. J.
name: Giencke, J. E.
name: Patnaik, S.
name: Eom, C. B.
name: Hellstrom, E. E.
name: Larbalestier, D. C.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: High energy milling of MgB2 pre-reacted powder renders the material largely amorphous through extreme mechanical deformation and is suitable for mechanically alloying MgB2 with dopants including carbon. Bulk samples of milled C and MgB2 powders subjected to hot isostatic pressing and Mg vapor annealing have achieved critical fields in excess of 32T and critical current density approaching 10^6 A/cm^2.
description: 13 pages, 3 figures references updated, typos corrected, numerical error corrected
Boron phosphide as a \emph{p}-type transparent conductor: optical absorption and transport through electron-phonon coupling
Creators: name: Ha, Viet-Anh
name: Karasulu, Bora
name: Maezono, Ryo
name: Brunin, Guillaume
name: Varley, Joel Basile
name: Rignanese, Gian-Marco
name: Monserrat, Bartomeu
name: Hautier, Geoffroy
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Boron phosphide has recently been identified as a potential high hole mobility transparent conducting material. This promise arises from its low hole effective masses. However, BP has a relatively small 2 eV indirect band gap which will affect its transparency. In this work, we computationally study both optical absorption across the indirect gap and phonon-limited electronic transport to quantify the potential of boron phosphide as a \emph{p}-type transparent conductor. We find that phonon-mediated indirect optical absorption is weak in the visible spectrum and that the phonon-limited hole mobility is very high (around 900 cm$^2$/Vs) at room temperature. This exceptional mobility comes from a combination of low hole effective mass and very weak scattering by polar phonon modes. We rationalize the weak scattering by the less ionic bonding in boron phosphide compared to oxides. We suggest this could be a general advantage of non-oxides for \emph{p}-type transparent conducting applications. Using our computed properties, we assess the transparent conductor figure of merit of boron phosphide and shows that it exceeds by one order of magnitude that of established \emph{p}-type transparent conductors, confirming the potential of this material.
The Transition to parenthood after infertility
Creators: name: Plomp, Deborah Adele
Publisher: name: University of British Columbia
Year: 2009

description: Relatively little is known about the experience of those who make the adjustment to parenthood after a history of infertility and within the available literature there exists numerous gaps and inconsistencies. In this qualitative study, in-depth interviews were used to explore the experience of four heterosexual married couples making the transition to first-time parenthood after prolonged infertility. The study sought to answer the question, "What is the experience for couples making the transition to parenthood after primary infertility?" A thematic analysis of these data, using Colaizzi's (1978) seven step structured analysis, generated five phenomenological themes. In no specific order, the five themes are as follows: (1) A sense of gratitude/being blessed (2) A sense of appreciation/not taking parenthood for granted (3) A sense of completion/new connection (4) A sense of readiness/purposefulness (5) A sense of parenthood as a positive, healing experience. Overall, the data reflected the transition to parenthood after primary infertility to be predominantly a positive experience with the pain of infertility put aside, at least until the couples began to think of expanding their family once again.
Enhanced energy storage density by reversible domain switching in acceptor doped ferroelectrics
Creators: name: Wang, Zhiyang
name: Xue, Deqing
name: Xue, Dezhen
name: Zhou, Yumei
name: Ding, Xiangdong
name: Sun, Jun
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Typical ferroelectrics possess a large spontaneous polarization Ps but simultaneously a large remnant polarization Pr as well, resulting in an inferior energy storage density.A mechanism that can reduce the Pr while maintain the Ps is demanded to enhance the energy storage property of ferroelectrics.In the present study, it is shown that after acceptor doping and aging treatment, the domain switching in ferroelectrics becomes reversible, giving rise to a pinched double hysteresis loop. The pinched loop with a large Ps and a small Pr thus results in an enhanced energy storage density. The physics behind is a defect induced internal field that provides a restoring force for the domains to switch back.The idea is demonstrated through a time-dependent Ginzburg-Landau simulation as well as experimental measurements in BaTiO$_3$ based single crystal and ceramics. The mechanism is general and can be applied to various ferroelectrics, especially the environment-friendly ones.
description: under submission to RCS JMCA
Order by disorder and gauge-like degeneracy in quantum pyrochlore antiferromagnet
Creators: name: Henley, Christopher L.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The (three-dimensional) pyrochlore lattice antiferromagnet with Heisenberg spins of large spin length $S$ is a highly frustrated model with an macroscopic degeneracy of classical ground states. The zero-point energy of (harmonic order) spin wave fluctuations distinguishes a subset of these states. I derive an approximate but illuminating {\it effective Hamiltonian}, acting within the subspace of Ising spin configurations representing the {\it collinear} ground states. It consists of products of Ising spins around loops, i.e has the form of a $Z_2$ lattice gauge theory. The remaining ground state entropy is still infinite but not extensive, being $O(L)$ for system size $O(L^3)$. All these ground states have unit cells bigger than those considered previously.
description: 4pp, one figure
Where did the globular clusters of the Milky Way form? Insights from the E-MOSAICS simulations
Creators: name: Keller, Benjamin W.
name: Kruijssen, J. M. Diederik
name: Pfeffer, Joel
name: Reina-Campos, Marta
name: Bastian, Nate
name: Trujillo-Gomez, Sebastian
name: Hughes, Meghan E.
name: Crain, Robert A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Globular clusters (GCs) are typically old, with most having formed at z >~ 2. This makes understanding their birth environments difficult, as they are typically too distant to observe with sufficient angular resolution to resolve GC birth sites. Using 25 cosmological zoom-in simulations of Milky Way-like galaxies from the E-MOSAICS project, with physically-motivated models for star formation, feedback, and the formation, evolution, and disruption of GCs, we identify the birth environments of present-day GCs. We find roughly half of GCs in these galaxies formed in-situ (52.0 +/- 1.0 per cent) between z ~ 2 - 4, in turbulent, high-pressure discs fed by gas that was accreted without ever being strongly heated through a virial shock or feedback. A minority of GCs form during mergers (12.6 +/- 0.6 per cent in major mergers, and 7.2 +/- 0.5 per cent in minor mergers), but we find that mergers are important for preserving the GCs seen today by ejecting them from their natal, high density interstellar medium (ISM), where proto-GCs are rapidly destroyed due to tidal shocks from ISM substructure. This chaotic history of hierarchical galaxy assembly acts to mix the spatial and kinematic distribution of GCs formed through different channels, making it difficult to use observable GC properties to distinguish GCs formed in mergers from ones formed by smooth accretion, and similarly GCs formed in-situ from those formed ex-situ. These results suggest a simple picture of GC formation, in which GCs are a natural outcome of normal star formation in the typical, gas-rich galaxies that are the progenitors of present-day galaxies.
description: 20 pages, 20 figures, resubmitted to MNRAS after accounting for referee's comments
Act to Save Groundwater in Punjab: Its Impact on Water Table, Electricity Subsidy and Environment
Creators: name: Singh, Karam
name: Singh, Karam
Publisher: name: Unknown
Year: 2009
Subjects: Agricultural and Food Policy

description: The fall in water table in Punjab has been a serious issue. One of the main reasons for it has been the early transplanting of rice (before mid-June), which means severe withdrawal of groundwater, as the monsoon is still far away, temperatures are very high and evapo-transpiration rate (ETR) is maximum. On the initiative of the Punjab State Farmers Commission, “The Punjab Preservation of Sub Soil Water Act” (not to sow paddy nursery before May 10 and not to transplant paddy before June 10) was promulgated as an Ordinance in 2008 and encouraged by the response, it has been changed into an Act in March 2009. The time series and experimental data on transplanting pattern, water requirements rice, rainfall, monsoon recharge, groundwater behaviour and rice area have been used and it is estimated that the fall in water table can be checked by about 30 cm, which is about 65 per cent of the long-term falling rate, by delaying the transplanting with the effective implementation of the Act. The water table during 2008, which also had better monsoon rainfall of 51 cm, has risen as per estimated by about 80-100 cm, which is close to the provisional releases. To maintain the water balance in the long-run, about 47-50 cm of water (as equivalence of monsoon rain) is required, of which 40 cm is the long-run average rain and about 5 cm gets compensated by the Act in its present form. The delay in transplanting to 15 June would maintain the balance but it cuts down the transplanting period further; thus intensifying the efforts to improving the water-use efficiency and some substitution by low-water requiring crops are recommended. The savings in electricity due to the Act have been estimated at 276 million units, which means the savings to the State exchequer of about Rs 122 crore per year, split as savings of the government including its extra tax earnings as Rs 77 crore and the additional net earnings of the State Electricity Board as Rs 45 crore. The other long-term benefits include reprieve from the relative humidity by about 15-16 per cent point, which might help reducing the harmful pests and bacteria vulnerable to high and dry temperatures, saving the farmers from frequent deepening and ultimately installing the submersible tubewells, saving and even restoring the rural drinking water supply sources of hand-pumps, acting as a catalyst to fine tune the paddy-transplanters, mandating the breeders to evolve the rice varieties that yield better when transplanted after mid-June, giving more crucial time to the farmers for reinvigourating the research-extension-farmer linkage and, delayed harvesting and marketing causing less pollution due to the increase in dew-factor and encouraging the adoption of happy seeder type innovations for timely wheat sowing without burning the rice straw.
Fomes Pecatti and Synderesis in Saint Thomas Aquinas
Creators: name: Morandin-Ahuerma, Fabio
Publisher: name: figshare
Year: 2020
Subjects: subject: 220305 Ethical Theory
subject: FOS: Philosophy, ethics and religion

description: This paper addresses the problem of evil from the perspective of St. Thomas Aquinas. It argues that, for Aquinas, the nature of moral evil is in the individual who, due to a disordered reason, departs from the pursuit of the good that is inherent to being. Synderesis is the only indissoluble bridge that man has with natural law and even with the eternal. Will converted into noluntas guides man intrinsically to evil acts, but synderesis, as a power with a natural habit, is the best guide for the contingent decision-making under the rubric of the first practical principles from the transcendent.
title: Рабочая тетрадь к курсу «Основы вожатской деятельности»
Creators: name: ELS IPR BOOKS
Publisher: name: Северо-Осетинский государственный педагогический институт
Year: 2020

description: Рабочая тетрадь к курсу «Основы вожатской деятельности» разработана в соответствии с ФГОС ВО 3++ по направлению подготовки 44.03.05 Педагогическое образование (с двумя профилями подготовки), квалификация Бакалавр. Учебное издание предназначено для использования на практических занятиях и в ходе самостоятельной работы бакалавров по дисциплине «Основы вожатской деятельности». Рабочая тетрадь содержит разнообразные задания, способствующие подготовке будущих педагогов к организации и осуществлению вожатской деятельности.
An input-output inspired method for permissible perturbation amplitude of transitional wall-bounded shear flows
Creators: name: Liu, Chang
name: Gayme, Dennice F.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Systems and Control (eess.SY)
subject: FOS: Physical sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The precise set of parameters governing the transition to turbulence in wall-bounded shear flows remains an open question; many theoretical bounds have been obtained, but there is not yet a consensus between these bounds and experimental/simulation results. In this work, we focus on a method to provide a provable Reynolds number dependent bound on the amplitude of perturbations a flow can sustain while maintaining the laminar state. Our analysis relies on an input--output approach that partitions the dynamics into a feedback interconnection of the linear and nonlinear dynamics (i.e., a Luré system that represents the nonlinearity as static feedback). We then construct quadratic constraints of the nonlinear term that is restricted by system physics to be energy-conserving (lossless) and to have bounded input--output energy. Computing the region of attraction of the laminar state (set of safe perturbations) and permissible perturbation amplitude are then reformulated as Linear Matrix Inequalities (LMI), which provides a more computationally efficient solution than prevailing nonlinear approaches based on the sum of squares programming. The proposed framework can also be used for energy method computations and linear stability analysis. We apply our approach to low dimensional nonlinear shear flow models for a range of Reynolds numbers. The results from our analytically derived bounds are consistent with the bounds identified through exhaustive simulations. However, they have the added benefit of being achieved at a much lower computational cost and providing a provable guarantee that a certain level of perturbation is permissible.
description: 39 pages, 6 figures
AGRIFOOD INDUSTRY AS INDUSTRY INTENSIVELY BASED ON KNOWLEDGE - CASE STUDY OF VOJVODINA
Creators: name: Komnenic, Biserka
name: Tomic, Danilo Vlastimir
name: Tomic, Gordana Radovan
name: Komnenic, Biserka
name: Tomic, Danilo Vlastimir
name: Tomic, Gordana Radovan
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agribusiness
subject: Community/Rural/Urban Development
subject: Labor and Human Capital
subject: Agricultural industry
subject: Intellectual capital
subject: Efficiency
subject: Valorisation

description: During three-hundred-year history of the market economy, the main sources of wealth creation have changed from the natural resources (mainly land and relatively unskilled labor with the exception of the master craftsman), tangible material assets (buildings, machinery and equipment, funds) to intangible assets (knowledge and information of all types) that may be contained in the people, organizations, or physical resources. In the later period of the twentieth century, science has acquired the features of direct production force. The term direct implies that unlike the relationship which existed between science and production in the IXX century, where scientific advances was incorporated through the physical labor in the tools, which, in turn, created new value through the physical labor, the relationship between science and production has become all direct, immediate, because the scientific advances allowed the funds to be produced with less labor and allowed funds itself to become "smarter" and as such to require less human intervention and human physical labor in the final production process. As a result, the need for physical labor continuously declined with time, and the application of labor is moved from direct production to processes of preparing and organizing production. Also, a large part of today's knowledge that is used in production is not embodied in machinery, and the effects of this are immense.
Preparing for a pilgrimage : Richard F. Burton, disguise, and India
Creators: name: Hollands, Narinder K.
Publisher: name: University of British Columbia
Year: 2009

description: Richard F. Burton's Pilgrimage to Mecca and Medina in Disguise explores a process of achievement. In 1853, by using a disguise, Burton successfully completed the Haj, a Muslim pilgrimage to Mecca and Medina. This thesis uses Burton's own writings on India, as well as books and material written about Burton and research materials retrieved from the British and Huntington Libraries, to reveal certain challenges that Burton faced in the unknown land as one of the locals. To dress, speak, act, look, and perform all the religious and social customs can be a very difficult task. Therefore, this thesis examines all of these aspects one at a time, gradually building a complete picture of Burton's experiences in India and his pilgrimage to Mecca and Medina. The goal of this thesis is to uncover Burton's disguise. In order to reach this goal, first the thesis examines Burton's ability to master different languages. We are informed by Burton himself that he was fluent in twenty nine different languages. This makes Burton an extraordinary individual, and it certainly makes him stand out in the East India Company. We have a vast amount of Burton's writings, translated literature, and poetry all of which demonstrate his ability to understand and use languages. Secondly, the thesis will focus on Burton's conversion to Islam as well as the process of his learning every social custom of this religion. This required Burton to study Koran and do many Sufi exercises. How after such as. short time did Burton adjust his lifestyle and live like a Muslim. What were his religious antics? How were they performed? Why were these social manners important? The thesis aims to answer all these questions in its examination of Burton's life in the Orient. Thirdly, since India was Burton's stage on which he acted out different characters, the thesis will examine Burton's disguises. Burtons spent months and years getting comfortable with his disguises of a Dervish, a Pathan, and Mirza Abdullah. These incarnations presented a great challenge, but they eventually became easy for Burton, as his knowledge of religion, customs, culture, and languages increased. This thesis will show how all of these elements come together and enabled Burton to undertake his epic pilgrimage.
Positivity of quasi-local mass II
Creators: name: Liu, Chiu-Chu Melissa
name: Yau, Shing-Tung
Publisher: name: arXiv
Year: 2004
Subjects: subject: Differential Geometry (math.DG)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: We prove the following stronger verson of the positivity of quasi-local mass stated in gr-qc/0303019: the quasi-local energy (mass) of each connected component of the boundary of a compact spacelike hypersurface which satisfies the local energy condition is strictly positive unless the spacetime is flat along the spacelike hypersurface and the boundary of the spacelike hypersurface is connected.
description: 23 pages
Power integral bases in cubic and quartic extensions of real quadratic fields
Creators: name: Gaál, István
name: Remete, László
Publisher: name: arXiv
Year: 2020
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11R04, 11D59, 11Y50

description: Investigations of monogenity and power integral bases were recently extended from the absolute case (over Q) to the relative case (over algebraic number fields). Formerly, in the relative case we only succeeded to calculate generators of power integral bases when the ground field is an imaginary quadratic field. This is the first case when we consider monogenity in the more difficult case, in extensions of real quadratic fields. We give efficient algorithms for calculating generators of power integral bases in cubic and quartic extensions of real quadratic fields, more exactly in composites of cubic and quartic fields with real quadratic fields. In case the quartic field is totally complex, we present an especially simple algorithm. We illustrate our method with two detailed examples.
The Synderesis as an Alternative to the Problem of the Gap at Searle
Creators: name: Morandin-Ahuerma, Fabio
Publisher: name: figshare
Year: 2020
Subjects: subject: 220305 Ethical Theory
subject: FOS: Philosophy, ethics and religion

description: The objective of this paper is to analyze the problem proposed by John R. Searle in the third chapter of his work Rationality in Action (2003) about the gap or distance that mediates between a decision and action, and how it intends to solve through the concept of the Self. We believe that this explanation is insufficient in some aspects and introduce the term Synderesis (Συντηρηοη in Greek) as argumentative line to defend the existence of decisions not contingent but free from a Thomist perspective, in contrast to the proposal of the gap and the Self No-Humean.
Non-ideal magnetohydrodynamics vs turbulence I: Which is the dominant process in protostellar disc formation?
Creators: name: Wurster, James
name: Lewis, Benjamin T.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Non-ideal magnetohydrodynamics (MHD) is the dominant process. We investigate the effect of magnetic fields (ideal and non-ideal) and turbulence (sub- and transsonic) on the formation of circumstellar discs that form nearly simultaneously with the formation of the protostar. This is done by modelling the gravitational collapse of a 1~M$_\odot$ gas cloud that is threaded with a magnetic field and imposed with both rotational and turbulent velocities. We investigate magnetic fields that are parallel/anti-parallel and perpendicular to the rotation axis, two rotation rates and four Mach numbers. Disc formation occurs preferentially in the models that include non-ideal MHD where the magnetic field is anti-parallel or perpendicular to the rotation axis. This is independent of the initial rotation rate and level of turbulence, suggesting that subsonic turbulence plays a minimal role in influencing the formation of discs. Aside from first core outflows which are influenced by the initial level of turbulence, non-ideal MHD processes are more important than turbulent processes during the formation of discs around low-mass stars.
description: Accepted for publication in MNRAS. 12 pages, 8 figures
Impacts of Watershed Development Programmes: Experiences and Evidences from Tamil Nadu
Creators: name: Palanisami, Kuppannan
name: Kumar, D. Suresh
name: Palanisami, Kuppannan
name: Kumar, D. Suresh
Publisher: name: Unknown
Year: 2009
Subjects: Agricultural and Food Policy

description: The overall performance of watershed development programmes has been examined in the state of Tamil Nadu. The impacts of major watershed development programmes have been outlined in terms of biophysical impacts, environmental impacts, socio-economic impacts and overall economic impacts. It is pointed out that the watershed development activities have made significant positive impacts on various biophysical aspects such as soil and water conservation, soil fertility, soil and water erosion in cropped area, changes in cropping pattern, cropping intensity, production and productivity of crops. Watershed development activities have shown significant positive impacts on water table, perenniality of water in wells, water availability for cattle and other domestic uses, etc. The overall economic impacts have been evaluated in terms of NPV, IRR and BCR. The peoples’ participation in watershed development activities has been found satisfactory but the optimal level is yet to be achieved. Training of farmers has been found effective in disseminating technical knowledge. According to the study, the future strategy should be the movement towards a balanced approach of matching the supply-driven menu with a set of demand-driven activities. Peoples’ participation, involvement of Panchayati Raj Institutions, local user groups and NGOs along side institutional support from different levels, viz. the Union Government, the state, the district and block levels should be ensured to make the programme more participatory, interactive and cost-effective. Convergence of various rural development programmes around the watershed could be ensured to promote holistic development of watersheds. For its continued success, the programme, should be economically efficient, financially viable, technically feasible and socially acceptable while ensuring equity. For, sustainable development, regular and routine monitoring of environmental parameters is important as environmental enhancement increases the credibility and acceptability of the programme.
Semileptonic Decays of Heavy Lambda Baryons in a Quark Model
Creators: name: Pervin, Muslema
name: Roberts, Winston
name: Capstick, Simon
Publisher: name: arXiv
Year: 2005
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The semileptonic decays of Lambda_c and Lambda_b are treated in the framework of a constituent quark model. Both nonrelativistic and semirelativistic Hamiltonians are used to obtain the baryon wave functions from a fit to the spectra, and the wave functions are expanded in both the harmonic oscillator and Sturmian bases. The latter basis leads to form factors in which the kinematic dependence on q^2 is in the form of multipoles, and the resulting form factors fall faster as a function of q^2 in the available kinematic ranges. As a result, decay rates obtained in the two models using the Sturmian basis are significantly smaller than those obtained using the harmonic oscillator basis. In the case of the Lambda_c, decay rates calculated using the Sturmian basis are closer to the experimentally reported rates. However, we find a semileptonic branching fraction for the Lambda_c to decay to excited Lambda* states of 11% to 19%, in contradiction with what is assumed in available experimental analyses. Our prediction for the Lambda_b semileptonic decays is that decays to the ground state Lambda_c provide a little less than 70% of the total semileptonic decay rate. For the decays Lambda_b to Lambda_c, the analytic form factors we obtain satisfy the relations expected from heavy-quark effective theory at the non-recoil point, at leading and next-to-leading orders in the heavy-quark expansion. In addition, some features of the heavy-quark limit are shown to naturally persist as the mass of the heavy quark in the daughter baryon is decreased.
description: 51 pages, 8 figures, submitted to Physical Review C
title: Развитие когнитивной и эмоциональной сфер младших школьников в различных образовательных моделях
Creators: name: ELS IPR BOOKS
Publisher: name: Северо-Осетинский государственный педагогический институт
Year: 2019

description: Монография посвящена изучению когнитивных и эмоциональных особенностей младших школьников в контексте влияния на этот процесс образовательных технологий современной школы. Познавательные процессы и эмоциональные состояния школьников представляют собой сложный комплекс взаимообуславливающих и сопряженных факторов, которые в значительной мере определяют степень успешности освоения ими образовательной программы. В данной работе сравнительному анализу подверглись традиционно сложившаяся классно-урочная система и образовательная модель, построенная на принципах здоровьесберегающей среды. Книга адресована практикующим психологам системы образования, ученым, преподавателям и студентам вузов.
Study of the normalized transverse momentum distribution of $W$ bosons produced in $p \bar p$ collisions at $\sqrt{s}=1.96$ TeV
Creators: name: D0 Collaboration
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present a study of the normalized transverse momentum distribution of $W$ bosons produced in $p \bar p$ collisions, using data corresponding to an integrated luminosity of 4.35 fb$^{-1}$ collected with the D0 detector at the Fermilab Tevatron collider at $\sqrt{s}=1.96$ TeV. The measurement focuses on the transverse momentum region below 15 GeV, which is of special interest for electroweak precision measurements; it relies on the same detector calibration methods which were used for the precision measurement of the $W$ boson mass. The measured distribution is compared to different QCD predictions and a procedure is given to allow the comparison of any further theoretical models to the D0 data.
description: Phys. Rev. D 103, 012003 (2021)
The Impact of Media Coverage on Proposed Strategies for Preventing Future Food Scandals
Creators: name: Bohm, Justus
name: Schulze, Holger
name: Kleinschmit, Daniela
name: Spiller, Achim
name: Nowak, Beate
name: Bohm, Justus
name: Schulze, Holger
name: Kleinschmit, Daniela
name: Spiller, Achim
name: Nowak, Beate
Publisher: name: Unknown
Year: 2009
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Farm Management
subject: Food Consumption/Nutrition/Food Safety
subject: Political Economy
subject: Productivity Analysis
subject: Risk and Uncertainty
subject: Media Analysis
subject: Political Decision Making
subject: Media Effects
subject: Tainted Meat
subject: Content Analysis

description: At the beginning of the year 2005 the German meat industry frequently featured in the media with reports on tainted meat. Since then, a huge number of new problems concerning meat production and trade have arisen which have uncovered weaknesses in food quality control, and highlighted the explosive nature of this subject matter. It is unclear what effect the media involvement has had on the political process of regulatory decision-making in the food industry, and to what extent it has influenced this process. The following article examines these issues with regard to the presentation of food safety scandals in the media, as the role of press coverage will continue to increase in importance in the coming years. This research is based on the content analysis of 347 articles on the topic of “tainted meat” which were published in seven German newspapers. The empirical results demonstrate that state actors such as government ministers and the administration have dominated the debate in the media, and thus decisively contributed to the fact that the responsibility for food security in Germany is assigned to the government. Companies and organizations in the meat industry hardly ever appear in the discussion.
D2.4.25 Report on 2nd Workshop with EFSA on eBASIS
Creators: name: Institute of Food Research
Publisher: name: Zenodo
Year: 2005
Subjects: NoE and NEXUS Projects
The EuroFIR Food Platform
EuroFIR

description: REPORT ON 2nd WORKSHOP WITH EFSA ON eBASIS

This report covers the meeting held at EFSA Parma, 8-9 June 2009.

The purposes of the meeting were to:

 Present action points as agreed from previous meeting

 Present information on new additions to the database on:

 Present updates to reporting functions, including the ability to export reference information direct into End Note

 Demonstrate the database

 Train EFSA staff in the use of the database
title: Русский язык. Синтаксис: функциональный подход
Creators: name: ELS IPR BOOKS
Publisher: name: Северо-Осетинский государственный педагогический институт
Year: 2018

description: Учебно-методическое пособие содержит контрольные материалы на закрепление знаний студентов в области синтаксиса русского языка на функциональной основе. Данная работа предназначена студентам педагогических вузов, обучающимся по направлениям подготовки 44.03.01 Педагогическое образование, 44.03.05 Педагогическое образование (с двумя профилями подготовки) по профилям, так или иначе связанным с лингвистикой.
The Allocation of Advertising and Research Dollars in the Florida Orange Juice Industry
Creators: name: Brown, Mark G.
name: Spreen, Thomas H.
name: Brown, Mark G.
name: Spreen, Thomas H.
Publisher: name: Unknown
Year: 2009
Subjects: Agribusiness
Agricultural and Food Policy
Farm Management
Food Consumption/Nutrition/Food Safety
Research and Development/Tech Change/Emerging Technologies
Risk and Uncertainty

description: This study considers the allocation of Florida citrus-grower money between advertising and research programs to maximize grower revenue net of program costs. The allocation depends on the impact of advertising on demand and the impacts of research on the cost of production and supply. A number of studies have estimated the impact of advertising on OJ demand, but little is known about the impact of research. Research on citrus greening, a disease that has no known cure, is examined in the present study. There are no past studies to reliably gauge the impact of this research. The approach taken here is to ask if a given amount of research dollars is needed to reduce average production costs by certain amount, then what should be spent on advertising based on past estimates of the elasticity of demand with respect to advertising. The optimal ratio of advertising to research dollars increases with the advertising elasticity and declines with the amount of research money needed to reduce average costs. The results of this study provide a range for this ratio based on different advertising elasticities and amounts of research dollars needed to reduce production costs. The approach provides an indication of the importance of advertising given expectations on the research needed to successfully fight this disease.
Calculating relative power integral bases in totally complex quartic extensions of totally real fields
Creators: name: Gaál, István
Publisher: name: arXiv
Year: 2020
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11Y50, 11R04, 11D57, 11D59

description: Some time ago we extended our monogenity investigations and calculations of generators of power integral bases to the relative case. Up to now we considered (usually totally real) extensions of complex quartic fields. In the present paper we consider power integral bases in relative extensions of totally real fields. Totally complex quartic extensions of totally real number fields seems to be the most simple case, that we detail here. As we shall see, even in this case we have to overcome several unexpected difficulties, which we can, however solve by properly (but not trivially) adjusting standard methods. We demonstrate our general algorithm on an explicit example. We describe how the general methods for solving relative index form equations in quartic relative extensions are modified in this case. As a byproduct we show that relative Thue equations in totally complex extensions of totally real fields can only have small solutions, and we construct a special method for the enumeration of small solutions of special unit equations. These statements can be applied to other diophantine problems, as well.
Short Food Supply Networks: Expectations, Experiences, Trust in the Case of Farmers Markets
Creators: name: Fritz, Melanie
name: Martino, Gaetano
name: Fritz, Melanie
name: Martino, Gaetano
Publisher: name: Unknown
Year: 2009
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Farm Management
subject: Food Consumption/Nutrition/Food Safety
subject: Risk and Uncertainty
subject: Farmers Markets
subject: networks
subject: trust
subject: food chains sustainability

description: Farmers Markets are receiving an increasing attention by both food chains actors and social scientists. Economic and sociological studies are contributing to the comprehension of these forms of exchange. Both consumers and producers are fostering their expectations about the renewal of a mode of exchange which sustained local production-consumptions linkages. The main economic function of these organizational structures seems to be the reduction of the price paid by the consumers and the enhancements of allocation of farm products. The basic interpretation of these forms of exchange focuses on market structure, nonetheless the exchange relationships seem to emphasize several dimensions, including economic and cultural aspects. The objective of the paper is of investigating the role of networks among producers and consumers in structuring and making viable the Farmer Markets as structures of short food supply chains. The basic idea is that the strength of Farmer Markets is the ability of satisfying the consumer expectations about a few characteristics of the products, entailing given cultural and economic aspects. The study argues that under this view the Farmer Markets may be thought of as a emerging form of production-consumption interaction. According to existing evidences it is suggested that the network is also the emerging forms of horizontal relationships among the producer participants to the markets. The paper aims at suggesting that basic types of trust act as key factor in structuring the networks and in promoting the stability of the market.
The synderesis as an alternative to the problem of the gap at Searle
Creators: name: Morandin-Ahuerma, Fabio
Publisher: name: figshare
Year: 2020
Subjects: subject: 220305 Ethical Theory
subject: FOS: Philosophy, ethics and religion

description: The objective of this paper is to analyze the problem proposed by John R. Searle in the third chapter of his work Rationality in Action (2003) about the gap or distance that mediates between a decision and action, and how it intends to solve through the concept of the Self. We believe that this explanation is insufficient in some aspects and introduce the term Synderesis (Συντηρηοη in Greek) as argumentative line to defend the existence of decisions not contingent but free from a Thomist perspective, in contrast to the proposal of the gap and the Self No-Humean.
The Giant X-ray Flare of GRB 050502B: Evidence for Late-Time Internal Engine Activity
Creators: name: Falcone, A. D.
name: Burrows, D. N.
name: Lazzati, D.
name: Campana, S.
name: Kobayashi, S.
name: Zhang, B.
name: Meszaros, P.
name: Page, K. L.
name: Kennea, J. A.
name: Romano, P.
name: Pagani, C.
name: Angelini, L.
name: Beardmore, A. P.
name: Capalbi, M.
name: Chincarini, G.
name: Cusumano, G.
name: Giommi, P.
name: Goad, M. R.
name: Godet, O.
name: Grupe, D.
name: Hill, J. E.
name: La Parola, V.
name: Mangano, V.
name: Moretti, A.
name: Nousek, J. A.
name: O'Brien, P. T.
name: Osborne, J. P.
name: Perri, M.
name: Tagliaferri, G.
name: Wells, A. A.
name: Gehrels, N.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Until recently, X-ray flares during the afterglow of gamma ray bursts (GRBs) were a rarely detected phenomenon, thus their nature is unclear. During the afterglow of GRB 050502B, the largest X-ray flare ever recorded rose rapidly above the afterglow lightcurve detected by the Swift X-ray Telescope. The peak flux of the flare was >500 times that of the underlying afterglow, and it occurred at >12 minutes after the nominal prompt burst emission. The fluence of this X-ray flare, (1.0 +/- 0.05) x 10^{-6} erg cm^{-2} in the 0.2-10.0 keV energy band, exceeded the fluence of the nominal prompt burst. The spectra during the flare were significantly harder than those measured before and after the flare. Later in time, there were additional flux increases detected above the underlying afterglow, as well as a break in the afterglow lightcurve. All evidence presented below, including spectral and particularly timing information during and around the giant flare, suggests that this giant flare was the result of internal dissipation of energy due to late central engine activity, rather than an afterglow-related effect. We also find that the data are consistent with a second central engine activity episode, in which the ejecta is moving slower than that of the initial episode, causing the giant flare and then proceeding to overtake and refresh the afterglow shock, thus causing additional activity at even later times in the lightcurve.
description: accepted for publication in ApJ