cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Quality of service for cloud services using control theory : quality of service for VoIP cloud services using PI controller based on horizontal scalability
Creators: name: Schaumüller, Oliver
Publisher: name: TU Wien
Year: 2019
Subjects: subject: Cloud Computing
subject: Controller Design
subject: Quality of Service
subject: Cloud Computing
subject: Controller Design
subject: Quality of Service

description: Horizontales Elasizitätsmanagement ist eines der zentralen Kernkonzepte, welches Clouds im Gegensatz zu herkömmlichen Rechenzentren unterscheidet. Dies erlaubt es autonom auf Änderungen der Anforderungen zu reagieren, wodurch Nachfrage basierend scheinbar endlos Ressourcen zur Verfügung gestellt werden können. Das Datenvolumen von VoIP Netzwerken steigt jährlich, da höhere Bandbreiten verfügbar sind. Dieser Effekt wird vor allem durch mobile Geräte wie Smartphones getrieben, welche Applikationen wie Skype, Whatsapp, Viber oder Facetime ermöglichen und die der Anwender griffbereit ständig bei sich hat. Service Provider müssen sich der ständig ändernden Auslastung stellen und ihre Services dementsprechend designen. Besondere Ereignisse wie Silvester, Katastrophen oder weltweite Sportevents lassen die Auslastung kurzfristig hochschnellen. Um mit den Anforderungen fertig zu werden, setzen die Service Provider auf horizontale Skalierbarkeit. Daher beschäftigt sich diese Arbeit mit Methoden der Regelungstechnik, um diese Prozesse zu steuern. Als Steuerungsgrößen werden qualitative Größen aus der VoIP Welt verwendet werden. Die Arbeit versucht zu beantworten, ob klassische Methoden der Regelungstechnik für die Steuerung von Clouds geeignet ist. In der Arbeit wird Anhand eines in R simulierten Modells die Steuerung eines solchen Prozesses simuliert und gezeigt wie auf Störgrößen reagiert werden kann.
description: Horizontal elasticity management is one of the core concepts which distinguishes clouds from common data centers. This concept allows to react on changes of the requirements easily on demand. Therefore, the impression of infinite resources arises. The data volume of VoIP networks increases year by year driven by mobile devices such as smartphones. This devices enable applications like Skype, Whatsapp, Viber, Facetime and others to be carried in the users pocket. Service providers face fluctuation in demand of their services and design their applications for those purposes. Especially events like new years eve, catastrophes or world wide sport events let the demand skyrocket in a short time window. To handle the gap in demand cloud providers need to scale their applications autonomously. As a result, this work is dedicated to control theory methods to control such processes. As a control variable qualitative metrics of VoIP technology will be used. This works purpose is to answer the question if classical control theory can be used to accomplish the task of horizontal elasticity in clouds. A model simulated in R will show how such control loops react to disturbances.
Regulierungspolitische Effekte geschützter geografischer Herkunftsangaben der EU in einer dynamischen und qualitätspolitischen Perspektive
Creators: name: Leufkens, Daniel
name: Schröck, Rebecca
name: Leufkens, Daniel
name: Schröck, Rebecca
Publisher: name: Unknown
Year: 2013
Subjects: subject: Agribusiness
subject: Demand and Price Analysis
subject: Industrial Organization
subject: Herkunftsangaben
subject: Qualitätsregulierung
subject: Innovationsökonomie
subject: Hedonische Preisanalyse

description: Der in den letzten Jahrzehnten auftretende strukturelle Wandel in Produktion und Vermarktung von Agrarerzeugnissen und Lebensmitteln hin zu stärker verarbeiteten und differenzierteren Produkten wurde im Rahmen der Verordnung (EG) Nr. 510/2006 für geografische Herkunftsangaben durch die EU stark reglementiert. Der vorliegende Beitrag analysiert daher die regulierungspolitische Funktion des europäischen Schutzes qualifizierter Herkunftsangaben anhand einer dynamischen und qualitätspolitischen Perspektive. Mittels wohlfahrtsökonomischer und spieltheoretischer Ansätze der Innovationsökonomie kann hierbei gezeigt werden, dass trotz der geforderten überdurchschnittlichen Produktqualität, die europäische Qualitätsregulierung dynamische Ineffizienzen erzeugt. Hedonische Preisanalysen für die Fleischerzeugnisse Rohschinken und Bratwurst offenbaren des Weiteren eine heterogene Verteilung der Zahlungsbereitschaft des Verbrauchers für geschützte Produkte. Die empirischen Ergebnisse unterstreichen hierdurch die Zielverfehlung der EU, einen eindeutigen Qualitätsindikator in der Verbraucherwahrnehmung zu etablieren. Ursachen dieser Fehlsteuerung sind zum einen die Qualitätsmonopolisierung der geschützten Produkte und zum anderen die verpflichtenden institutionellen Rahmenbedingungen. Somit besteht ein akuter Handlungsbedarf zur Anpassung der existierenden Regulierung geschützter Herkunftsangaben.
Impossibility of consistent distance estimation from sequence lengths under the TKF91 model
Creators: name: Fan, Wai-Tong Louis
name: Legried, Brandon
name: Roch, Sebastien
Publisher: name: arXiv
Year: 2020
Subjects: subject: Probability (math.PR)
subject: Populations and Evolution (q-bio.PE)
subject: FOS: Mathematics
subject: FOS: Biological sciences

description: We consider the problem of distance estimation under the TKF91 model of sequence evolution by insertions, deletions and substitutions on a phylogeny. In an asymptotic regime where the expected sequence lengths tend to infinity, we show that no consistent distance estimation is possible from sequence lengths alone. More formally, we establish that the distributions of pairs of sequence lengths at different distances cannot be distinguished with probability going to one.
description: 11 pages, 1 figure
Gamma-ray bursts and X-ray melting of material to form chondrules and planets
Creators: name: Duggan, P.
name: McBreen, B.
name: Carr, A. J.
name: Winston, E.
name: Vaughan, G.
name: Hanlon, L.
name: McBreen, S.
name: Metcalfe, L.
name: Kvick, A.
name: Terry, A. E.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: Chondrules are millimeter sized objects of spherical to irregular shape that constitute the major component of chondritic meteorites that originate in the region between Mars and Jupiter and which fall to Earth. They appear to have solidified rapidly from molten or partially molten drops. The heat source that melted the chondrules remains uncertain. The intense radiation from a gamma-ray burst (GRB) is capable of melting material at distances up to 300 light years. These conditions were created in the laboratory for the first time when millimeter sized pellets were placed in a vacuum chamber in the white synchrotron beam at the European Synchrotron Radiation Facility. The pellets were rapidly heated in the X-ray and gamma-ray furnace to above 1400C melted and cooled. This process heats from the inside unlike normal furnaces. The melted spherical samples were examined with a range of techniques and found to have microstructural properties similar to the chondrules that come from meteorites. This experiment demonstrates that GRBs can melt precursor material to form chondrules that may subsequently influence the formation of planets. This work extends the field of laboratory astrophysics to include high power synchrotron sources.
description: 4 pages, 4 figures. Full resolution figures available from A&A
Additional file 1 of Interventions to improve adherence to antenatal and postnatal care regimens among pregnant women in sub-Saharan Africa: a systematic review
Creators: name: Esopo, Kristina
name: Derby, Lilly
name: Haushofer, Johannes
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: Cancer
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1 PRISMA checklist.
Short chains at solid surfaces: wetting transition from a density functional approach
Creators: name: Bryk, P.
name: Sokolowski, S.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: A microscopic density functional theory is used to investigate the adsorption of short chains on attractive solid surfaces. We analyze the structure of the adsorbed fluid and investigate how the wetting transition changes with the change of the chain length and with relative strength of the fluid-solid interaction. End segments adsorb preferentially in the first adsorbed layer whereas the concentration of the middle segments is enhanced in the second layer. We observe that the wetting temperature rescaled by the bulk critical temperature decreases with an increase of the chain length. For longer chains this temperature reaches a plateau. For the surface critical temperature an inverse effect is observed, i.e. the surface critical temperature increases with the chain length and then attains a plateau. These findings may serve as a quick estimate of the wetting and surface critical temperatures for fluids of longer chain lengths.
description: 16 pages, 8 figures
Determinantes da Demanda de Fertilizantes no Brasil no período de 1970 a 2002
Creators: name: Nicolella, Alexandre Chibebe
name: Dragone, Diogo S.
name: Bacha, Carlos Jose Caetano
name: Nicolella, Alexandre Chibebe
name: Dragone, Diogo S.
name: Bacha, Carlos Jose Caetano
Publisher: name: Unknown
Year: 2005
Subjects: subject: Agribusiness
subject: fertilizer
subject: demand
subject: co-integration analysis

description: This paper estimates an equation for fertilizer demand in Brazil, considering time period from 1970 to 2002. Co-integration analysis procedures have been used and they show that just the level model (LSO method), valid for long term, presents good econometrics results. Fertilizer demand is inelastic to both price fluctuations and rural credit supplied. These results are compatible with the international estimates and they also confirm the importance of fertilizer as an input for the Brazilian agriculture.
UAV-Assisted Cooperative & Cognitive NOMA: Deployment, Clustering, and Resource Allocation
Creators: name: Arzykulov, Sultangali
name: Celik, Abdulkadir
name: Nauryzbayev, Galymzhan
name: Eltawil, Ahmed M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Information Theory (cs.IT)
subject: Signal Processing (eess.SP)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Cooperative and cognitive non-orthogonal multiple access (CCR-NOMA) has been recognized as a promising technique to overcome issues of spectrum scarcity and support massive connectivity envisioned in next-generation wireless networks. In this paper, we investigate the deployment of an unmanned aerial vehicle (UAV) as a relay that fairly serves a large number of secondary users in a hot-spot region. The UAV deployment algorithm must jointly account for user clustering, channel assignment, and resource allocation sub-problems. We propose a solution methodology that obtains user clustering and channel assignment based on the optimal resource allocations for a given UAV location. To this end, we derive closed-form optimal power and time allocations and show it delivers optimal max-min fair throughput by consuming less energy and time than geometric programming. Based on optimal resource allocation, the optimal coverage probability is also provided in closed-form, which takes channel estimation errors, hardware impairments, and primary network interference into account. The optimal coverage probabilities are used by the proposed max-min fair user clustering and channel assignment approaches. The results show that the proposed method achieves 100% accuracy in more than five orders of magnitude less time than the optimal benchmark.
Capital Social das Comunidades Beneficiadas pelo Programa de Combate à Pobreza Rural – PCPR/Projeto São José – PSJ – Estado do Ceará
Creators: name: Khan, Ahmad Saeed
name: Silva, Lucia Maria Ramos
name: Khan, Ahmad Saeed
name: Silva, Lucia Maria Ramos
Publisher: name: Unknown
Year: 2005
Subjects: subject: Agribusiness
subject: Social Capital
subject: Development
subject: Ceará

description: The objective of this study was to identify and analyze tangible and intangible social capital of benefited communities by the resources of rural Poverty Reduction Program in the state of Ceará. The data were obtained by interviewing individuals and leaders of communities benefited by projects such as water supply, land reform, rural electrification and agricultural mechanization. For each type of project, social capital index was constructed. The results indicated that communities have medium level of social capital accumulation and resources supplied by this program contributed to increase social capital in these communities.
Determinanten der Wettbewerbsfähigkeit von Milchviehbetrieben außerhalb von Erzeugungszentren
Creators: name: Bronsema, Hauke
name: Sonntag, Winnie
name: Theuvsen, Ludwig
name: Bronsema, Hauke
name: Sonntag, Winnie
name: Theuvsen, Ludwig
Publisher: name: Unknown
Year: 2013
Subjects: subject: Agribusiness
subject: Farm Management
subject: Livestock Production/Industries
subject: Milchviehbetriebe
subject: Wettbewerbsfähigkeit
subject: Gemischtregionen
subject: Regressionsanalyse

description: Der Fokus der Forschung zu den Wettbewerbsbedingungen von Milchviehbetrieben ist vielfach auf die Erzeugungszentren gerichtet. Daneben gibt es jedoch auch nach wie vor landwirtschaftliche Gemischtregionen, die durch eine konstante Produktionsvielfalt ohne eindeutige Schwerpunktbildung gekennzeichnet sind. Durch die Konkurrenz mit anderen Produktionszweigen und aufgrund weiterer abweichender Rahmenbedingungen unterscheidet sich die Wettbewerbssituation der Milchproduktion in diesen Gebieten von der in den Intensivregionen. Der vorliegende Beitrag greift diese Problematik auf, indem die Determinanten der Wettbewerbsfähigkeit von Milchviehbetrieben außerhalb von Erzeugungszentren mit Hilfe einer empirischen Erhebung näher beleuchtet werden. Anhand einer Faktorenanalyse konnten sowohl allgemeingültige als auch regionsspezifische Faktoren der Wettbewerbsfähigkeit identifiziert werden. In einer anschließenden Regressionsanalyse ließ sich ein signifikanter Einfluss vornehmlich der allgemeingültigen Faktoren, namentlich der Verfügbarkeit von Produktionsfaktoren, der Spezialisierungsneigung und der Präferenz für die Milchviehhaltung, nachweisen
Predicament and Countermeasures for the Management and Maintenance of Rural Water Conservancy Facilities
Creators: name: Kong, Xi-Mei
name: Kong, Xi-Mei
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Rural water conservancy facilities
subject: Management and maintenance
subject: Acquaintances Community
subject: China

description: The major problem for rural water conservancy facilities during its management and maintenance are in the "been used, under no control" state. And the main reasons of this state are the public belonging property, investment by a single subject, and lack of effective supervision and management mechanism. Since rural water conservancy facilities is used in small scale and has the features of rural "acquaintances community", a balanced long-term interest mechanism for the management and maintenance of rural water conservancy facilities is established for interest-related parties. On short-term view, the most effective measure is to bring the operational status of rural water conservancy facilities into the evaluation indicators of the grass-roots government.
Additional file 1 of Tectonic plates in 3D mantle convection model with stress-history-dependent rheology
Creators: name: Miyagoshi, Takehiro
name: Kameyama, Masanori
name: Ogawa, Masaki
Publisher: name: figshare
Year: 2020
Subjects: subject: Geology
subject: FOS: Earth and related environmental sciences
subject: Geophysics

description: Additional file 1. Additional Materials for “Tectonic plates in 3D mantle convectionmodel with stress-history-dependent rheology”.
Stationary states and energy cascades in inelastic gases
Creators: name: Ben-Naim, E.
name: Machta, J.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: We find a general class of nontrivial stationary states in inelastic gases where, due to dissipation, energy is transfered from large velocity scales to small velocity scales. These steady-states exist for arbitrary collision rules and arbitrary dimension. Their signature is a stationary velocity distribution f(v) with an algebraic high-energy tail, f(v) ~ v^{-sigma}. The exponent sigma is obtained analytically and it varies continuously with the spatial dimension, the homogeneity index characterizing the collision rate, and the restitution coefficient. We observe these stationary states in numerical simulations in which energy is injected into the system by infrequently boosting particles to high velocities. We propose that these states may be realized experimentally in driven granular systems.
description: 4 pages, 4 figures
Screening of classical Casimir forces by electrolytes in semi-infinite geometries
Creators: name: Jancovici, B.
name: Samaj, L.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study the electrostatic Casimir effect and related phenomena in equilibrium statistical mechanics of classical (non-quantum) charged fluids. The prototype model consists of two identical dielectric slabs in empty space (the pure Casimir effect) or in the presence of an electrolyte between the slabs. In the latter case, it is generally believed that the long-ranged Casimir force due to thermal fluctuations in the slabs is screened by the electrolyte into some residual short-ranged force. The screening mechanism is based on a "separation hypothesis": thermal fluctuations of the electrostatic field in the slabs can be treated separately from the pure image effects of the "inert" slabs on the electrolyte particles. In this paper, by using a phenomenological approach under certain conditions, the separation hypothesis is shown to be valid. The phenomenology is tested on a microscopic model in which the conducting slabs and the electrolyte are modelled by the symmetric Coulomb gases of point-like charges with different particle fugacities. The model is solved in the high-temperature Debye-Hückel limit (in two and three dimensions) and at the free fermion point of the Thirring representation of the two-dimensional Coulomb gas. The Debye-Hückel theory of a Coulomb gas between dielectric walls is also solved.
description: 25 pages, 2 figures
Comparison among the Consumption Structures of Different Income Groups of Urban Residents in Guangxi Based on ELES Model
Creators: name: Han, Zhi-Cheng
name: Li, Xiao-Xiang
name: Li, Zhi-Xian
name: Han, Zhi-Cheng
name: Li, Xiao-Xiang
name: Li, Zhi-Xian
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Consumption structure
subject: ELES Model
subject: propensity to consume
subject: Flexibility
subject: China

description: According to the household consumption data of urban residents in Guangxi Statistical Yearbook in the year 2009, the ELES (Extended Linear Expenditure System) is used to analyze the consumption structure, the propensity to consume, and the consumer flexibility of urban residents in Guangxi Zhuang Autonomous Region of China in the year 2008. Result shows that urban residents in Guangxi has relatively low propensity to consume. And their consumption, especially the middle and low-income families, is mostly concentrated in food, cloth, lodging and other basic necessities of life, which account for more than a half of their income. Based on this, corresponding suggestions are put forward to enlarge the consumption demand of urban residents in Guangxi, such as increasing the regulation of income redistribution, minimizing the gap between the rich and the poor, enhancing the overall consumption level, cultivating the consumption hot spots for the urban residents, and actively guiding the enjoyable consumption.
Embodied humanitarianism : refugee sponsorship and support from Vietnam to Vancouver
Creators: name: Webber, Graham
Publisher: name: University of British Columbia
Year: 2009

description: There is a tendency in Vancouver, British Columbia (BC), to racialize and criminalize recently-arrived minorities. This acts as a barrier to successful integration between newcomers and host groups. The difficulties inherent in these processes have been exacerbated for Vietnamese settlers through the prominence they gained in the media and public discourse during the Allied War in Vietnam, Operation Babylift and the Private Sponsorship Programme. Through interviews and discourse analysis, I have come to believe that the framing of Vietnamese 'refugee' bodies has provided an extraordinary venue for Canada to produce, naturalize and reify the settler nation as humanitarian, compassionate, enlightened, unified and permanent - as more than we truly are - in a collective forgetting of the less press-worthy of our flaws. This discursive strategy intersects and overdetermines the hi/multicultural settler state while also threatening to undermine it. Thus, to a certain extent, Vietnamese (and other) refugee bodies resignify from receptive, when/where the public is in favour of refugee sponsorship, to criminal, when/where they are not. This discursive 'risky refugee' rides the contradictions of liberal humanitarianism, marginalizing the formerly welcomed and undermining the political will to support the refugee process. There are strong interests in the Lower Mainland of BC who work tirelessly to sponsor and support refugees, despite this fickle nature of self-serving public opinion, pressuring the government to live up to its myth. Meanwhile, Vietnamese people in Vancouver, in general, have struggled and fought to rid themselves of the myths created through pejorative racialization and criminalization. My position in this thesis is that we need to relax this space of very constricted possibilities for negotiations around identity and space, acknowledging refugees as more than just under-educated, potentiallydiseased and probably-criminal Others. Suggestions, in the final chapter, come directly from interview material, as all study participants have had at least 20 years of refugee support and advocacy. The more general conclusion, from theoretical, operational and epistemological perspectives, is that we should work through all our diverse vulnerabilities to re-imagine a multiculturalism more expansive than inclusive. I hope my thesis will challenge the shaky short-term humanitarianism of the liberal state, encouraging a more stable and genuine commitment to refugee support
Applying Private Information Retrieval to Lightweight Bitcoin Clients
Creators: name: Qin, Kaihua
name: Hadass, Henryk
name: Gervais, Arthur
name: Reardon, Joel
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: Lightweight Bitcoin clients execute a Simple Payment Verification (SPV) protocol to verify the validity of transactions related to a particular user. Currently, lightweight clients use Bloom filters to significantly reduce the amount of bandwidth required to validate a particular transaction. This is despite the fact that research has shown that Bloom filters are insufficient at preserving the privacy of clients' queries. In this paper we describe our design of an SPV protocol that leverages Private Information Retrieval (PIR) to create fully private and performant queries. We show that our protocol has a low bandwidth and latency cost; properties that make our protocol a viable alternative for lightweight Bitcoin clients and other cryptocurrencies with a similar SPV model. In contract to Bloom filters, our PIR-based approach offers deterministic privacy to the user. Among our results, we show that in the worst case, clients who would like to verify 100 transactions occurring in the past week incurs a bandwidth cost of 33.54 MB with an associated latency of approximately 4.8 minutes, when using our protocol. The same query executed using the Bloom-filter-based SPV protocol incurs a bandwidth cost of 12.85 MB; this is a modest overhead considering the privacy guarantees it provides.
String-Corrected Black Holes
Creators: name: Hubeny, Veronika
name: Maloney, Alexander
name: Rangamani, Mukund
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the geometry of four dimensional black hole solutions in the presence of stringy higher curvature corrections to the low energy effective action. For certain supersymmetric two charge black holes these corrections drastically alter the causal structure of the solution, converting seemingly pathological null singularities into timelike singularities hidden behind a finite area horizon. We establish, analytically and numerically, that the string-corrected two-charge black hole metric has the same Penrose diagram as the extremal four-charge black hole. The higher derivative terms lead to another dramatic effect -- the gravitational force exerted by a black hole on an inertial observer is no longer purely attractive! The magnitude of this effect is related to the size of the compactification manifold.
description: 22 pages, 6 figures, harvmac, epsf
There : monsters on maps, their decline, and knowing and not knowing the world, 1492-
Creators: name: Ward, Karen
Publisher: name: University of British Columbia
Year: 2009

description: This is an exploratory essay on the representational and metaphorical uses of monsters during the early modern period. In it, I argue that the cartographical uses of monsters are a component of a larger and pervasive discourse on colonialism throughout this period. The European imaginary, taken aback by the "cosmographic shock" of the Americas, struggled to incorporate the new image of the world with their sense of cultural superiority. What I show is a complex and often contradictory mix of ideas, images, and meanings, since so much of what was accepted as true before was so completely wrong. It is completely unprovable, but that is because this is about the past.
Research on Trust Mechanism in Rural Cooperatives
Creators: name: Liu, Yu-Xiang
name: Liu, Yu-Xiang
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Cooperatives
subject: China
subject: Trust mechanism
subject: Members’ will and behavior

description: The thesis introduces the generation and mechanism of action of trust during cooperation, which indicates that trust can activate the members’ participation in management and investment, and preclude the generation of members’ will and behavior of breach of contract so as to guarantee the stable development of farmers’ cooperatives; the decreasing degree of trust can put sand in the wheels of farmers’ cooperatives. Based on these, we conduct survey of questionnaire on 197 rural households of 10 farmers’ cooperatives in Yanliang, Xi’an, Lintong and Yanglin . By analyzing the generation of trust mechanism and survey data, some suggestions are put forward as follows: promote inner communication; remodel the trust culture of informal system; hew to contractual system; perfect the system of motivation and punishment; establish the system of equal property right and investment; implement management and supervision by job rotation so as to promote the trust degree among the members of farmers’ cooperatives and keep the benign recycle of “trust-cooperation”.
Controllable matter-wave switchers with vector Bose-Einstein solitons
Creators: name: Babarro, Judit
name: Paz-Alonso, María J.
name: Michinel, Humberto
name: Olivieri, David N.
name: Salgueiro, José R.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We show the possibility of producing matter-wave switching devices by using Manakov interactions between matter wave solitons in two-species Bose-Einstein Condensates (BEC). Our results establish the experimental parameters for three interaction regimes in two-species BECs: symmetric and asymmetric splitting, down-switching and up-switching. We have studied the dependence upon the initial conditions and the kind of interaction between the two components of the BECs.
description: 5 pages, 4 figures
Path Choice on Rural Industrial Upgrading in the Process of Rural-urban Integration in Binhai New Area
Creators: name: Liu, Xiang
name: Fu, Na
name: Liu, Xiang
name: Fu, Na
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Binhai new area
subject: Rural-urban integration
subject: Countryside
subject: Industrial upgrading
subject: China

description: With methods of reference research and field research, the current situations of rural industrialization in the process of rural-urban integration in Binhai new area are analyzed and some problems in the process of integration in the new area are pointed out, such as difficulties in breaking dual economic structure in urban and rural areas, imbalanced economic development in the area and inadequate development of the third industry. And relevant countermeasures are proposed: optimizing agriculture industrial structure and promoting agricultural industrialization to form urban agricultural model of Binhai new area focusing on facility agriculture, park agriculture and high-end agriculture and to realize the intensive growth of agriculture; rationally distributing rural industrial structure to form regional leading industry and playing the guiding role of industry to achieve industrial adjustment improvement; quickening the construction of the third industry centering on service to form the service system of modern countryside and the leading role of modern service industry so as to achieve rapid development of the third industry.
Unified Analysis of Spin Isospin Responses of Nuclei
Creators: name: Wakasa, T.
name: Ichimura, M.
name: Sakai, H.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We investigated the Gamow-Teller (GT) strength distribution, especially the quenching with respect to the GT sum rule, and the enhancement of the pionic responses in the quasielasic scattering region, in the same theoretical framework. That is the continuum random phase approximation with the pi+rho+g' model interaction, incorporated with distorted wave impulse approximation and two-step calculations. From this analysis we searched the Landau-Migdal parameters, g'NN and g'ND, through the comparison with the experimental data of the GT strength distribution obtained at 300 MeV and the spin-longitudinal (pionic) cross sections IDq of (p,n) at 350 and 500 MeV. This comprehensive and sophisticated study gave a common set of g'NN=0.6-0.7 and g'ND=0.2-0.4, for both low and high momentum transfers.
description: 11 pages, 4 figures, submitted to Phys. Rev. C
The Electrical and Spin Properties of Monolayer and Bilayer Janus HfSSe under Vertical Electrical Field
Creators: name: Ghobadi, Nayereh
name: Touski, Shoeib Babaee
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: In this paper, the electrical and spin properties of mono- and bilayer HfSSe in the presence of a vertical electric field are studied. The density functional theory is used to investigate their properties. Fifteen different stacking orders of bilayer HfSSe are considered. The mono- and bilayer demonstrate an indirect bandgap, whereas the bandgap of bilayer can be effectively controlled by electric field. While the bandgap of bilayer closes at large electric fields and a semiconductor to metal transition occurs, the effect of a normal electric field on the bandgap of the monolayer HfSSe is quite weak. Spin-orbit coupling causes band splitting in the valence band and Rashba spin splitting in the conduction band of both mono- and bilayer structures. The band splitting in the valence band of the bilayer is smaller than a monolayer, however, the vertical electric field increases the band splitting in bilayer one. The stacking configurations without mirror symmetry exhibit Rashba spin splitting which is enhanced with the electric field.
Nonlinear Constraints on Relativistic Fluids Far From Equilibrium
Creators: name: Bemfica, Fabio S.
name: Disconzi, Marcelo M.
name: Hoang, Vu
name: Noronha, Jorge
name: Radosz, Maria
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: Nuclear Theory (nucl-th)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: New constraints are found that must necessarily hold for Israel-Stewart-like theories of fluid dynamics to be causal far away from equilibrium. Conditions that are sufficient to ensure causality, local existence, and uniqueness of solutions in these theories are also presented. Our results hold in the full nonlinear regime, taking into account bulk and shear viscosities (at zero chemical potential), without any simplifying symmetry or near-equilibrium assumptions. Our findings provide fundamental constraints on the magnitude of viscous corrections in fluid dynamics far from equilibrium.
description: 18 pages, 1 figure
Plummer_JMB.pdf
Creators: name: M., Plummer-Medeiros, A.
name: T., Culbertson, A.
name: L., Morales-Perez, C.
name: Maofu, Liao
Publisher: name: Health Research Alliance
Year: 2024
Subjects: classificationCode: 310110
subject: Receptors and membrane biology

description:   
The human ATP-binding cassette (ABC) transporter ABCA1 plays a critical role in lipid homeostasis as it extracts sterols and phospholipids from the plasma membrane for excretion to the extracellular apolipoprotein A-I and subsequent formation of high-density lipoprotein (HDL) particles. Deleterious mutations of ABCA1 lead to sterol accumulation and are associated with atherosclerosis, poor cardiovascular outcomes, cancer, and Alzheimer’s disease. The mechanism by which ABCA1 drives lipid movement is poorly understood, and a unified platform to produce active ABCA1 protein for both functional and structural studies has been missing. In this work, we established a stable expression system for both a human cell-based sterol export assay and protein purification for in vitro biochemical and structural studies. ABCA1 produced in this system was active in sterol export and displayed enhanced ATPase activity after reconstitution into a lipid bilayer. Our single-particle cryo-EM study of ABCA1 in nanodiscs showed protein induced membrane curvature, revealed multiple distinct conformations, and generated a structure of nanodisc-embedded ABCA1 at 4.0-A resolution representing a previously unknown conformation. Comparison of different ABCA1 structures and molecular dynamics simulations demonstrates both concerted domain movements and conformational variations within each domain. Taken together, our platform for producing and characterizing ABCA1 in a lipid membrane enabled us to gain important mechanistic and structural insights and paves the way for investigating modulators that target the functions of ABCA1.
Convolutional Neural Network Array for Sign Language Recognition using Wearable IMUs
Creators: name: Suri, Karush
name: Gupta, Rinki
Publisher: name: arXiv
Year: 2020
Subjects: subject: Signal Processing (eess.SP)
subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Advancements in gesture recognition algorithms have led to a significant growth in sign language translation. By making use of efficient intelligent models, signs can be recognized with precision. The proposed work presents a novel one-dimensional Convolutional Neural Network (CNN) array architecture for recognition of signs from the Indian sign language using signals recorded from a custom designed wearable IMU device. The IMU device makes use of tri-axial accelerometer and gyroscope. The signals recorded using the IMU device are segregated on the basis of their context, such as whether they correspond to signing for a general sentence or an interrogative sentence. The array comprises of two individual CNNs, one classifying the general sentences and the other classifying the interrogative sentence. Performances of individual CNNs in the array architecture are compared to that of a conventional CNN classifying the unsegregated dataset. Peak classification accuracies of 94.20% for general sentences and 95.00% for interrogative sentences achieved with the proposed CNN array in comparison to 93.50% for conventional CNN assert the suitability of the proposed approach.
description: https://doi.org/10.1109/SPIN.2019.8711745
Circular Economy in New Village Construction—A Case of Qinhuangdao City, China
Creators: name: Li, Tao
name: Lin, Peng
name: Zhao, Meng
name: Li, Tao
name: Lin, Peng
name: Zhao, Meng
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Three agricultural economy
subject: New village construction
subject: Agricultural circular economy
subject: Qinhuangdao City
subject: China

description: On the strength of the theory of agricultural circular economy, the mutual relation between the development of agricultural circular economy and new village construction is analyzed. The results show that developing agricultural circular economy and constructing new village is the mutual promotion; realizing agricultural circular economy is the main aim of new agricultural construction and developing agricultural circular economy is the way of realizing new village construction. The major problems in the development of agricultural circular economy in Qinhuangdao City are pointed out, covering weak ideological foundation of developing agricultural circular economy; inadequate directions from the government and insufficient technical and financial support. The countermeasures on developing agricultural circular economy in new village construction are put forward, including cultivating people’s awareness on circular economy; establishing the law and regulation system of agricultural circular economy; intensifying the technical and model innovation of agricultural circular economy and accelerating the maketization pace of agro-products.
Additional file 1 of Monitoring the durability of the long-lasting insecticidal nets Olyset® and PermaNet® 2.0 in similar use environments in Zanzibar
Creators: name: Khamis Ameir Haji
name: Bakari Omar Khatib
name: Obi, Emmanuel
name: Kanuth Dimoso
name: Koenker, Hannah
name: Babalola, Stella
name: Greer, George
name: Serbantez, Naomi
name: Abbas, Faiza
name: Ali, Abdullah
name: Blaufuss, Sean
name: Bolanle Olapeju
name: Kilian, Albert
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: Ecology
subject: FOS: Biological sciences
subject: Cancer
subject: Science Policy
subject: Computational Biology

description: Additional file 1. Household characteristics. Contains table with demographic and socio-economic characteristics of sampled households.
Additional file 1 of Use, timing and factors associated with tracheal intubation in septic shock: a prospective multicentric observational study
Creators: name: C. Darreau
name: F. Martino
name: M. Saint-Martin
name: S. Jacquier
name: J. F. Hamel
name: M. A. Nay
name: N. Terzi
name: G. Ledoux
name: F. Roche-Campo
name: L. Camous
name: F. Pene
name: T. Balzer
name: F. Bagate
name: J. Lorber
name: P. Bouju
name: C. Marois
name: R. Robert
name: S. Gaudry
name: M. Commereuc
name: M. Debarre
name: N. Chudeau
name: P. Labroca
name: K. Merouani
name: P. Y. Egreteau
name: V. Peigne
name: C. Bornstain
name: E. Lebas
name: F. Benezit
name: S. Vally
name: S. Lasocki
name: A. Robert
name: A. Delbove
name: N. Lerolle
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy
subject: 60506 Virology

description: Additional file 1: Table S1. Conversion table for FiO2 determination. Table S2. Comparison between patients intubated early and not intubated early in the group of patients with standard criteria for early endotracheal intubation.
R-modes of a neutron star with a magnetic dipole field
Creators: name: Lee, Umin
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We study $r$-modes of a rotating magnetized neutron star, assuming a magnetic dipole field whose axis is aligned with the axis of rotation. We approach the problem by applying a singular perturbation theory to the oscillations of rotating stars. In this treatment, we divide the star into a thin surface magnetic layer and a non-magnetic core. We integrate linearized ideal MHD equations in the surface magnetic layer and non-magnetic oscillation equations in the core, and match the two integrations at the interface to obtain a complete solution. For a polytropic neutron star model of mass $M=1.4M_\odot$ and radius $R=10^6$cm, the magnetic dipole field becomes effective on the modal properties of the $r$-modes only when the field strength $B_S$ is much greater than $10^{14}$G. We also find that the damping effects caused by very short magnetic perturbations in the surface layer are not important for the $r$-mode instability of rapidly rotating neutron stars if the field strength $B_S$ is smaller than $10^{12}$G.
description: Accepted for publication in MN
PoliteCamera: Respecting Strangers' Privacy in Mobile Photographing
Creators: name: Li, Ang
name: Du, Wei
name: Li, Qinghua
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cryptography and Security (cs.CR)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences

description: Camera is a standard on-board sensor of modern mobile phones. It makes photo taking popular due to its convenience and high resolution. However, when users take a photo of a scenery, a building or a target person, a stranger may also be unintentionally captured in the photo. Such photos expose the location and activity of strangers, and hence may breach their privacy. In this paper, we propose a cooperative mobile photographing scheme called PoliteCamera to protect strangers' privacy. Through the cooperation between a photographer and a stranger, the stranger's face in a photo can be automatically blurred upon his request when the photo is taken. Since multiple strangers nearby the photographer might send out blurring requests but not all of them are in the photo, an adapted balanced convolutional neural network (ABCNN) is proposed to determine whether the requesting stranger is in the photo based on facial attributes. Evaluations demonstrate that the ABCNN can accurately predict facial attributes and PoliteCamera can provide accurate privacy protection for strangers.
The nuclear radio-optical properties of intermediate redshift FRII radio galaxies and quasars
Creators: name: Varano, Stefania
name: Chiaberge, Marco
name: Macchetto, F. Duccio
name: Capetti, Alessandro
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We extend the study of the nuclei of 3CR objects as seen with the HST to higher redshift FR II radio sources (0.4
description: 9 pages, 5 figures, accepted for publication in Astronomy & Astrophysics
Research on the Relationship between Income and Consumption of the Urban Residents in Hunan Province on the Basis of Error Correction Model
Creators: name: Chen, Hui-Min
name: Chen, Hui-Min
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Residential income
subject: Co-integration
subject: Error correction model
subject: China

description: By using error correction model, I conduct co-integration analysis on the research of the relationship between the per capita practical consumption and per capita practical disposable income of urban residents in Hunan Province from 1978 to 2009. The results show that there is a co-integration relationship between the per capita practical consumption and the practical per capita disposable income of urban residents, and based on these, the corresponding error correction model is established. Finally, corresponding countermeasures and suggestions are put forward as follows: broaden the income channel of urban residents; create goods consuming environment; perfect socialist security system.
The Role Played by Agricultural Policy-based Finance in New Village Construction
Creators: name: Li, Ning-Hua
name: Li, Ning-Hua
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Agricultural policy- based finance
subject: New village construction
subject: Market failure
subject: Fund recycling
subject: Role
subject: China

description: The necessity of the agricultural policy-based finance in terms of supporting the new village construction is analyzed: in the first place, the theoretical roots of agricultural policy- based finance supporting new village construction are “market failure” and “government intervention”; in the second place, the continual decline of agricultural and the “rural financial market failure” in recent years have become the objective evidence and historical mission for agricultural policy- based finance to support new village construction; in the third place, the combination of agricultural policy- based finance and new village construction is conducive to solving the “three agriculture” problems and facilitating the reform of new village construction. The feasibility of the support is analyzed: firstly, agricultural policy- based finance boasts the status and position of the “primary drive” in new village construction; secondly, the nation continuously deepens the reform of rural financial system and policy- based banks and strengthens the functions of Agricultural Development Bank, which provides policies for agricultural policy- based finance to support new village construction; thirdly, the 14 years’ reform and development of Agricultural Development Bank and the eleventh five year plan lay sound practical basis for the support of agricultural policy- based finance to new village construction. Based on the necessity and feasibility, the following six aspects are analyzed to fully display the function of the “primary drive” of agricultural policy-related finance to new village construction. Firstly, strengthening the credit and loan aid to grain and cotton and some other agricultural products in the circulation domain; secondly, strengthening the credit and loan aid to agricultural industrialization in processing field; thirdly, intensifying the credit and loan aid to agricultural comprehensive development, rural infrastructure construction, application and promotion of agricultural technology, agricultural production means and agricultural ecological construction; fourthly, intensifying the credit and loan aid to rural special group and regional development; fifthly, intensifying the credit and loan aid to agriculture and rural emergency response system and social security system; sixthly, strengthening the credit and loan aid to agriculture and the intermediary construction of rural financial services.