cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Future changes of global potential evapotranspiration simulated from CMIP5 to CMIP6 models
Creators: name: Xinlei LIU
name: Chunxiang LI
name: Tianbao ZHAO
name: HAN, Lin
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Cell Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: Science Policy

description: This research evaluated the ability of different coupled climate models to simulate the historical variability of potential evapotranspiration (PET) for the time period 1979–2017 in phases 5 and 6 of the Coupled Model Intercomparison Project (CMIP5 and CMIP6, respectively). Their projected future changes of PET under two emission scenarios for the 21st century were also compared. Results show that PET has an increasing trend of 0.2–0.6 mm d−1/50 yr over most land surfaces and that there are clear regional differences. The future value of PET is higher in the CMIP6 multi-model simulations than in the CMIP5 ones under the same emissions scenario, possibly because CMIP6 models simulate stronger warming for a given forcing or scenario. The contributions of each individual climate driver to future changes in PET were examined and revealed that the surface vapor pressure deficit makes a major contribution to changes in PET. Shortwave radiation increases PET in most terrestrial regions, except for northern Africa, East Asia, South Asia, and Australia; the effect of longwave radiation is the opposite to that of shortwave radiation. The contribution of surface wind speed to PET is small, but results in a slight reduction.
DETERMINANTES DA EFICIÊNCIA TÉCNICA DOS PRODUTORES DE LEITE DA MESORREGIÃO DA ZONA DA MATA-MG
Creators: name: Fonesca Travassos, Guilherme
name: Brito Sobreira, Diogo
name: Provezano Gomes, Adriano
name: Vasconcelos Carneiro, Alziro
name: Fonesca Travassos, Guilherme
name: Brito Sobreira, Diogo
name: Provezano Gomes, Adriano
name: Vasconcelos Carneiro, Alziro
Publisher: name: Unknown
Year: 2015
Subjects: subject: Livestock Production/Industries
subject: Dairy cattle
subject: DEA
subject: Quantile regression

description: The dairy industry plays an important role in the development of Brazilian agribusiness, and the state of Minas Gerais is the main producer. The search for mechanisms that increase competitiveness in the sector becomes a key factor for the development of this productive chain. Therefore, the objective of this study is to analyze the factors that could explain the milk producers in the efficiency levels in the mesoregion of Zona da Mata – MG, based on quantile regressions. Efficiency measures were measured by Data Envelopment Analysis-DEA procedure. The results indicate that in the short term, milk producers have a high degree of technical efficiency. In relation to inefficiency, it happens by operating in an incorrect scale production. It is concluded that the efficiency of milk producers in the Zona da Mata - MG can be high in the short term through the adoption of advanced technologies in the activity, combined with access to technical assistance in production and resource management.
Subspaces intersecting in at most a point
Creators: name: Kurz, Sascha
Publisher: name: arXiv
Year: 2019
Subjects: subject: Combinatorics (math.CO)
subject: Information Theory (cs.IT)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: 51E20 (Primary), 05B25, 94B65 (Secondary)

description: We improve on the lower bound of the maximum number of planes in $\operatorname{PG}(8,q)\cong\F_q^{9}$ pairwise intersecting in at most a point. In terms of constant dimension codes this leads to $A_q(9,4;3)\ge q^{12}+ 2q^8+2q^7+q^6+2q^5+2q^4-2q^2-2q+1$. This result is obtained via a more general construction strategy, which also yields other improvements.
description: 4 pages
Inflation, cold dark matter, and the central density problem
Creators: name: Zentner, Andrew R.
name: Bullock, James S.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: A problem with high central densities in dark halos has arisen in the context of LCDM cosmologies with scale-invariant initial power spectra. Although n=1 is often justified by appealing to the inflation scenario, inflationary models with mild deviations from scale-invariance are not uncommon and models with significant running of the spectral index are plausible. Even mild deviations from scale-invariance can be important because halo collapse times and densities depend on the relative amount of small-scale power. We choose several popular models of inflation and work out the ramifications for galaxy central densities. For each model, we calculate its COBE-normalized power spectrum and deduce the implied halo densities using a semi-analytic method calibrated against N-body simulations. We compare our predictions to a sample of dark matter-dominated galaxies using a non-parametric measure of the density. While standard n=1, LCDM halos are overdense by a factor of 6, several of our example inflation+CDM models predict halo densities well within the range preferred by observations. We also show how the presence of massive (0.5 eV) neutrinos may help to alleviate the central density problem even with n=1. We conclude that galaxy central densities may not be as problematic for the CDM paradigm as is sometimes assumed: rather than telling us something about the nature of the dark matter, galaxy rotation curves may be telling us something about inflation and/or neutrinos. An important test of this idea will be an eventual consensus on the value of sigma_8, the rms overdensity on the scale 8 h^-1 Mpc. Our successful models have values of sigma_8 approximately 0.75, which is within the range of recent determinations. Finally, models with n>1 (or sigma_8 > 1) are highly disfavored.
description: 13 pages, 6 figures. Minor changes made to reflect referee's Comments, error in Eq. (18) corrected, references updated and corrected, conclusions unchanged. Version accepted for publication in Phys. Rev. D, scheduled for 15 August 2002
Claustropyga ctenophora Hippa, Vilkamaa & Mohrig 2003
Creators: name: Rudzinski, Hans-Georg
name: Ševčík, Jan
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Sciaridae
Claustropyga
Claustropyga ctenophora

description: Claustropyga ctenophora Hippa, Vilkamaa & Mohrig, 2003
 Published records. SLOVAKIA: Poľana Biosphere Reserve, Zadná Poľana National Nature Reserve (RUDZINSKI 2009, RUDZINSKI & ŠEVČÍK 2009).
 New record. CZECH REPUBLIC: MORAVIA & SILESIA: Hrubý Jeseník Mts., Praděd National Nature Reserve,Velká kotlina glacial cirque, 9.–26. vi.2006, 1 J, J. Roháček & J. Ševčík leg. (Malaise trap).
 Distribution. This species is distributed in several European countries (Russia, Sweden, and Ukraine) (HELLER & MENZEL 2017). RUDZINSKI & ŠEVČÍK (2012) recorded it from Muránska planina National park as new to Slovakia. This is the first record from the Czech Republic.
description: Published as part of Rudzinski, Hans-Georg & Ševčík, Jan, 2019, Czech and Slovak Claustropyga (Diptera: Sciaridae), with the description of C. glacialis sp. nov. and notes on morphological variation in some congeners, pp. 529-535 in Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) (Acta. Ent. Mus. Natl. Pragae) 59 (2) on page 534, DOI: 10.2478/aemnp-2019-0044, http://zenodo.org/record/5340494
ESTRUTURAS DE GOVERNANÇA NA AGROINDÚSTRIA CANAVIEIRA PARANAENSE: UMA ANÁLISE SOB A ÓTICA DA NOVA ECONOMIA INSTITUCIONAL
Creators: name: Paloschi Tome, Luiz Henrique
name: Schmidt, Carla Maria
name: Paloschi Tome, Luiz Henrique
name: Schmidt, Carla Maria
Publisher: name: Unknown
Year: 2015
Subjects: subject: Crop Production/Industries
subject: Transaction Costs. Sugarcane Agroindustry. Governance Structures

description: This paper aimed to analyze the factors that influence the choice of governance structures in the sugarcane agroindustry of Paraná There were analyzed by the New Institutional Economics (NIE), the characteristics of the transactions and the agents in two agro-industries. Data collection was carried out through interviews and correspondence with representatives of agroindustries and the State of Paraná Bioenergy Producers Association (ALCOPAR), bibliographic and documentary research. In transactions of cultivation, harvesting and transportation of cane, Alfa agroindustry verticalizes, while Beta agroindustry adopts contract with intervention, verticalization and simple contract, respectively. For the purchase of industrial inputs both choose to market or simple contracts, and the labor contract, both opt for CLT regime. In commercialization and transportation transactions of sugar and ethanol, Alfa uses the market, simple contracts and cooperation (CPA Trading) and Beta uses cooperation.For the production and sale of electricity, Alfa verticalizes and Beta has a partnership agreement. Uncertainty and bounded rationality were the most relevant factors in the choice of governance structures by Alfa, to Beta was cooperativism. Asset specificity, frequency and uncertainty influenced governance structures adopted in the analyzed agricultural industries, mainly in the supply of raw materials; reputation had slight influence.
Magnetic moment and radius of the nucleon in a nonlocal model of meson-nucleon interaction
Creators: name: Korchin, A. Yu.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Magnetic moment and radius of the nucleon are calculated in a nonlocal extension of the chiral linear σ-model. Properties of the nonlocal model under the vector and axial transformations are considered. The conserved electromagnetic and vector currents, and partially conserved axial vector current are obtained. In the calculation of the nucleon electromagnetic vertex the π- and σ-loop diagrams are included. Contribution from vector mesons is added in the vector meson dominance model with a gauge-invariant photon-meson coupling. The nonlocality parameter associated with the πN interaction is fixed from the experimental magnetic moment of the neutron. Other parameters (nonlocality parameter for the σN interaction and the mass of the σ-meson) are constrained by the magnetic moment of the proton. The calculated electric and magnetic mean-square radii of the proton and neutron are in satisfactory agreement with experiment.
description: 22 pages, 2 PostScript figures, RevTeX, to be published in Eur. Phys. J. A
PARTICIPAÇÃO DO CAPITAL BRASILEIRO NA CADEIA PRODUTIVA DA SOJA: LIÇÕES PARA O FUTURO DO AGRONEGÓCIO NACIONAL
Creators: name: Medina, Gabriel
name: Guimaraes Ribeiro, Gessyane
name: Medina, Gabriel
name: Guimaraes Ribeiro, Gessyane
Publisher: name: Unknown
Year: 2016
Subjects: subject: Agribusiness
subject: Marketing
subject: FOS: Economics and business
subject: agriculture
subject: market chain
subject: agri-business
subject: oligopoly
subject: marketshare

description: The Brazilian agribusiness sector has been achieving record harvests and offering important contributions for the national trade balance. Nonetheless, still little is known about the actual share of the business that is hold by Brazilian companies vis-à-vis multinationals, as well as the opportunities for national groups to enlarge their share in the business. This paper assesses the soybean market chain, from the field to the market. Results reveal that 40% of the soybean business carried out in Brasil is actually in the hands of Brazilian companies. The national share is concentrated in land (13.3%), labor (14.3%) and natural resources (which were not valuated in financial terms). Only 12.4% of the share hold by Brazilian companies belongs to capital and technology intensive sectors, such as production of seeds (2.4%), fertilizers (4.8%), pesticides (0.6%), machinery (0.3%) and agro-industry (4.4%). However, even with the oligopoly of multinationals along the soybean market chain, recent business growth offers opportunities for national companies. The future of the Brazilian agribusiness relies on increasing vertical integration of national capital along the market chain, adding to the current narrow view that promotes only the horizontal expansion into new agricultural frontiers.
High-temperature ferroelectric order and magnetic field-cooled effect driven magnetoelectric coupling in R2BaCuO5 (R= Er, Dy, Sm)
Creators: name: Indra, A.
name: Mukherjee, S.
name: Majumdar, S.
name: Gutowski, O.
name: Zimmermann, M. v.
name: Giri, S.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The high-temperature ferroelectric order and a remarkable magnetoelectric effect driven by the magnetic field cooling are reported in R2BaCuO5 (R = Er, Dy, Sm) series. The ferroelectric (FE) orders are observed at much higher temperatures than their magnetic orders for all three members. The value of FE Curie temperature (TFE) is considerably high as ~ 235 K with the polarization value (P) of ~ 1410 μC/m2 for a 4 kV/cm poling field in case of Er2BaCuO5, whereas the values of TFE and P are also promising as ~ 232 K and ~ 992 μC/m2 for Dy2BaCuO5, and ~ 184 K and ~ 980 μC/m2 for Sm2BaCuO5. The synchrotron diffraction studies of Dy2BaCuO5 confirm a structural transition at TFE to a polar Pna21 structure, which correlates the FE order. An unusual magnetoelectric coupling is observed below the R order for Er and Dy compounds and below the Cu order for Sm compound, when the pyroelectric current is recorded only with the magnetic field both in heating and cooling cycles i.e. typical magnetic field cooled effect. The magnetic field cooled effect driven emergence of polarization is ferroelectric in nature, as it reverses due to the opposite poling field. The unexplored R2BaCuO5 series attracts the community for large TFE, high P value, and strange magnetoelectric consequences.
description: 9 figures and 2 supporting figures
IMPROVING THE MECHANISM OF TAXATION OF FUEL AND ENERGY ENTERPRISES
Creators: name: Khomidov, Tuyinboy
Publisher: name: Zenodo
Year: 2024

description: Fuel and energy enterprises are the backbone of any nation's economy, playing a crucial role in ensuring energy security and economic development. However, the taxation of these enterprises presents a complex challenge for governments. The fuel and energy sector, characterized by high capital investment, fluctuating commodity prices, and significant environmental impacts, requires a nuanced approach to taxation. In recent years, policymakers have increasingly focused on improving taxation mechanisms to ensure fairness, promote sustainable practices, and enhance revenue generation for the state.
Does regional air–sea coupling improve the simulation of the summer monsoon over the western North Pacific in the WRF4 model?
Creators: name: Liwei ZOU
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Physiology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Inorganic Chemistry

description: A new regional coupled ocean–atmosphere model, WRF4-LICOM, was used to investigate the impacts of regional air–sea coupling on the simulation of the western North Pacific summer monsoon (WNPSM), with a focus on the normal WNPSM year 2005. Compared to WRF4, WRF4-LICOM improved the simulation of the summer mean monsoon rainfall, circulations, sea surface net heat fluxes, and propagations of the daily rainband over the WNP. The major differences between the models were found over the northern South China Sea and east of the Philippines. The warmer SST reduced the gross moist stability of the atmosphere and increased the upward latent heat flux, and then drove local ascending anomalies, which led to the increase of rainfall in WRF4-LICOM. The resultant enhanced atmospheric heating drove a low-level anomalous cyclone to its northwest, which reduced the simulated circulation biases in the stand-alone WRF4 model. The local observed daily SST over the WNP was a response to the overlying summer monsoon. In the WRF4 model, the modeled atmosphere exhibited passive response to the underlying daily SST anomalies. With the inclusion of regional air–sea coupling, the simulated daily SST–rainfall relationship was significantly improved. WRF4-LICOM is recommended for future dynamical downscaling of simulations and projections over this region.
Assessment of CMIP6 and CMIP5 model performance for extreme temperature in China
Creators: name: LUO, Neng
name: GUO, Yan
name: Zhibo GAO
name: Kexin CHEN
name: Jieming CHOU
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Physiology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Science Policy

description: Using the historical simulations from 27 models in phase 5 of the Coupled Model Intercomparison Project (CMIP5) and 27 models in phase 6 (CMIP6), the authors evaluated the differences between CMIP5 and CMIP6 models in simulating the climate mean of extreme temperature over China through comparison with observations during 1979–2005. The CMIP6 models reproduce well the spatial distribution of annual maxima of daily maximum temperature (TXx), annual minima of daily minimum temperature (TNn), and frost days (FD). The model spread in CMIP6 is reduced relative to CMIP5 for some temperature indices, such as TXx, warm spell duration index (WSDI), and warm days (TX90p). The multimodel median ensembles also capture the observed trend of extreme temperature. However, the CMIP6 models still have low skill in capturing TX90p and cold nights (TN10p) and have obvious cold biases or warm biases over the Tibetan Plateau. The ability of individual models varies for different indices, although some models outperform the others in terms of the average of all indices considered for different models. By comparing different version models from the same organization, the updated CMIP6 models show no significant difference from their counterparts from CMIP5 for some models. Compared with individual models, the median ensembles show better agreement with the observations for temperature indices and their means.
Superfluid states with moving condensate in nuclear matter
Creators: name: Isayev, A. A.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Superfluid states of symmetric nuclear matter with finite total momentum of Cooper pairs (nuclear LOFF phase) are studied with the use of Fermi-liquid theory in the model with Skyrme effective forces. It is considered the case of four-fold splitting of the excitation spectrum due to finite superfluid momentum and coupling of T=0 and T=1 pairing channels. It has been shown that at zero temperature the energy gap in triplet-singlet (TS) pairing channel (in spin and isospin spaces) for the SkM$^*$ force demonstrates double-valued behavior as a function of superfluid momentum. As a consequence, the phase transition at the critical superfluid momentum from the LOFF phase to the normal state will be of a first order. Behavior of the energy gap as a function of density for TS pairing channel under increase of superfluid momentum changes from one-valued to universal two-valued. It is shown that two-gap solutions, describing superposition of states with singlet-triplet (ST) and TS pairing of nucleons appear as a result of branching from one-gap ST solution. Comparison of the free energies shows that the state with TS pairing of nucleons is thermodynamically most preferable.
description: Report on DAAD summer school "Dense matter in Particle- and Astrophysics". Prepared with RevTeX4, 5p., 4 eps figures
Eriphia Latreille 1817
Creators: name: Koh, S. K.
name: Ng, Peter K. L.
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Decapoda
Eriphiidae
Eriphia

description: Key to species of Eriphia
1. Frontal margin either entire or slightly denticulated............ 2
– Frontal margin prominently denticulated, with at least five well developed denticles............................................................... 4
 2. Prominent spine present on ventral inner margin of basis-ischium of cheliped..................................... E. scabricula Dana, 1852
– No spine on ventral inner margin of basis-ischium of chelipeds................................................................................ 3
 3. Front deflexed prominently, with frontal lobes significantly inflated...................... E. granulosa A. Milne-Edwards, 1880
– Front not deflexed prominently, with flattened frontal lobes.................................................................................................. 4
 4. Outer surface of chela with scattered, rounded granules; G1 with tip gradually tapering, acute.............................................................................................. E. gonagra (Fabricius, 1781)
 – Outer surface of chela with flattened densely packed granules; G1 with tip blunt, shaped like a golf club............................................................................... E. squamata (Stimpson, 1859)
5a. Anterior margin of ambulatory legs densely pubescent....... 6
– Anterior margin of ambulatory legs slightly or not pubescent............................................................................................... 7
 6. Frontal lobes denticulated, with acute denticles; pubescent...................................................... E. verrucosa (Forskål, 1775)
 – Frontal lobes tuberculated, with flattened tubercles; not pubescent............................ sebana (Shaw & Nodder, 1803)
 7. Carapace and chela not pubescent; G1 relatively straight, basal part with distinct shelf-like structure on outer surface........................................................ E. smithii MacLeay, 1838
 – Carapace and chela pubescent, with short setae; G1 relatively slender, basal part expanded but without shelf-like structure............................................................... E. ferox, new species
description: Published as part of Koh, S. K. & Ng, Peter K. L., 2008, A Revision Of The Shore Crabs Of The Genus Eriphia (Crustacea: Brachyura: Eriphiidae), pp. 327-355 in Raffles Bulletin of Zoology 56 (2) on page 349, DOI: 10.5281/zenodo.5340655
BVI time series data of the Galactic Globular Cluster NGC3201. I. RR Lyrae stars
Creators: name: Piersimoni, A. M.
name: Bono, G.
name: Ripepi, V.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present Johnson BV, and Kron-Cousins I-band time series data collected over three consecutive nights in a region of 13 arcmin^2 centered on the Galactic Globular Cluster (GGC) NGC3201. The time sampling of current CCD data allowed us to derive accurate light curves, and in turn mean magnitudes and colors for a sample of 53 RR Lyrae. To overcome the thorny problem of differential reddening affecting this cluster, we derived new empirical relations connecting the intrinsic (B-V) and (V-I) colors of fundamental ($RR_{ab}$) RR Lyrae to the luminosity amplitude, the metallicity, and the pulsation period. The key features of these relations are the following: i) they rely on stellar parameters which are not affected by reddening; ii) they supply accurate estimates of intrinsic colors across the fundamental instability strip and cover a wide metallicity range; iii) they were derived by neglecting the RR Lyrae that are affected by amplitude modulation. Moreover, the zero-point of the E(B-V) reddening scale was empirically checked using the large sample of RR Lyrae in M3 (Corwin & Carney 2001), a GGC affected by a vanishing reddening. According to these relations we estimated individual reddenings for RR Lyrae in our sample and the main results we found are the following: i) the mean cluster reddening based on E(B-V) color excesses is =0.30\pm0.03. iii) According to current individual E(B-V) and E(V-I) reddenings and theoretical predictions for Horizontal-Branch stars, we found that the true distance modulus for this cluster is 13.32\pm0.06 mag. iv) The comparison between present luminosity amplitudes and estimates available in the literature discloses that approximately 30% of fundamental RR Lyrae are affected by amplitude modulation (Blazhko effect).
description: 36 pages, 7 tables, 18 figures, AJ in press
The Formation of the Milky Way in the Cosmological Context
Creators: name: Burkert, Andreas
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The formation of the Milky Way is discussed within the context of the cold dark matter scenario. Several problems arise which can be solved if the Galaxy experienced an early phase of gas heating and decoupling from the dark matter substructure. This model combines the Eggen, Lynden-Bell and Sandage picture of a monolithic protogalactic collapses with the Searle and Zinn picture of an early merging phase of substructures into one consistent scenario of Galactic formation.
description: 5 pages, conference proceeding. to appear in "Cosmic Evolution", eds. M. Lemoine and E. Vangioni-Flam
INDUSTRIAL INTEGRATED ELECTRO-MECHANICAL FACTORY FOLK-LIFT RICE LOADING AND TRANSIENT CONTROL USING SYNCHRONOUS MACHINE DRIVE
Creators: name: Fatai, Owuda Salihu
name: Chizindu, Stanley Esobinenwu
name: Lamidi, Salihu Owuda
Publisher: name: AMERICA SERIEL JOURNAL
Year: 2025
Subjects: Electro-Mechanical, Factory Folk-lift, Synchronous, Combustion, transient, Industrial and Rice.

description: Industrial integrated electro-mechanical factory folk-lift rice loading and transient control using synchronous machine drive is presented. Electro-mechanical fork-lift was powered using electrical and mechanical processes for factory rice handling in the ware-house for better performance instead of the traditional internal combustion engine using rechargeable batteries due to the mechanical movement causing an electrical output transient and an emission of carbon dioxides and leakage of fluid on food meant for human consumption and constituting negative impact on rice used as food and on environmental system. Synchronous machine drive is an AC electrical motor that has a steady state, the rotation of the shaft that is synchronized with the frequency of the supply current, the rotation period is equal to an integer number of AC cycles. Experiment was carried out in standard research laboratory. The dc excitation of factory folk-lift was adjusted to ensure that  and  is equal. The factory folk-lift synchronizing switch was closed and the current    was recorded as 0.3 ampere. Closing the factory folk-lift synchronizing switch when all the lights are dark, the stator current jumps quickly to 0.3 ampere and return to zero at the moment of the closure because the two-line voltage are not equal in phase with each other. Electrical and mechanical models of the factory fork-lift synchronous machine drive were obtained by solving synchronous machine equations governing electrical and mechanical using Runge-Kutta method. MATLAB/SIMULINK software with the Mathematical characteristics was used to model the factory folk-lift machines by setting its component transients to zero to obtain the complete reduced transients. Results presented graphically show that the factories fork-lift performance is very highly sensitive to load variation and recommended for factories fork-lift designers and fork-lift industrial operators.
Additional file 1: of Genetic variation of HvXYN1 associated with endoxylanase activity and TAX content in barley (Hordeum vulgare L.)
Creators: name: Lu, Xueli
name: Fang, Yunxia
name: Tian, Bin
name: Tong, Tao
name: Wang, Jiahui
name: Wang, Hua
name: Cai, Shengguan
name: Hu, Jiang
name: Zeng, Dali
name: Xu, Heng
name: Zhang, Xiaoqin
name: Xue, Dawei
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Pharmacology
subject: Evolutionary Biology
subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: Developmental Biology
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Virology

description: Table S1. EA activity and TAX content contrast in different regions. (DOCX 15 kb)
RENDIMENTOS DOS TRABALHADORES AGRÍCOLAS PERMANENTES: ANÁLISE ENTRE O MERCADO FORMAL E INFORMAL ENTRE HOMENS E MULHERES
Creators: name: Pinto Cezar, Cintia Amaral
name: Pereiea Uhr, Daniel De Abreu
name: Ziero Uhr, Julia Gallego
name: Pinto Cezar, Cintia Amaral
name: Pereiea Uhr, Daniel De Abreu
name: Ziero Uhr, Julia Gallego
Publisher: name: Unknown
Year: 2015
Subjects: subject: Agribusiness
subject: Labor and Human Capital
subject: agriculture
subject: labor market
subject: permanent agricultural employees.

description: This paper aims to analyze the wage determinants for men and women of the permanent agricultural sector, employees in the formal and non-formal markets in the years 2002, 2005 and 2012. We used data from PNAD (National Household Sample Survey) and the Heckman correction as a method in order to correct the sample selection bias, which was calculated through the multinomial logit model. The results in general show that the productive characteristics associated with human capital increase workers’ wages on a larger scale to the non-formal sector.
Comparison of Indian Ocean warming simulated by CMIP5 and CMIP6 models
Creators: name: Jingyi LI
name: Jingzhi SU
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Science Policy

description: Under the ongoing global warming, the sea surface temperature (SST) over the entire Indian Ocean (IO) has been warming saliently at a rate of 0.014°C yr−1 since the 1950s, which is larger than that in other regions of the globe. The salient IO warming reflects the synergistic effect of global warming and the internal variability of the climate system, and the warming could lead to climate anomalies in peripheral regions. The simulation performance of the sustained IO warming was evaluated by comparing 37 CMIP5 and 37 CMIP6 models with observed data. The results show that the warming in the IO can be captured by nearly all the CMIP models, but most tend to underestimate the magnitude of IO warming trends. There is no qualitative improvement in the simulation of the salient IO warming from CMIP5 to CMIP6. In addition, six metrics were used to investigate the performance of all models. Concerning the spatial pattern of warming trends, the CMIP5 models reveal a better simulation performance than those in CMIP6 models. Only nine best models (seven CMIP5 models and two CMIP6 models) can simulate a high warming trend in the IO region of 0.014 ± 0.001°C yr−1 during 1950–2005, but these nine models still have some disadvantages among other metrics. The overall evaluation here provides necessary information for future investigation about the mechanism of the sustained IO warming based on the climate models with better performances.
Direct Visualization of Spatial inhomogeneity of Spin Stripes Order in La1.72Sr0.28NiO4
Creators: name: Campi, Gaetano
name: Poccia, Nicola
name: Joseph, Boby
name: Bianconi, Antonio
name: Mishra, Shrawan
name: Lee, James
name: Roy, Sujoy
name: Nugroho, Agustinus Agung
name: Buchholz, Marcel
name: Braden, Markus
name: Trabant, Christoph
name: Zozulya, Alexey
name: Muller, Leonard
name: Viefhaus, Jens
name: Schussler-Langeheine, Christian
name: Sprung, Michael
name: Ricci, Alessandro
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: In several strongly correlated electron systems, defects, charge and local lattice distortions are found to show complex inhomogeneous spatial distributions. There is growing evidence that such inhomogeneity plays a fundamental role in unique functionality of quantum complex materials. La1.72Sr0.28NiO4 is a prototypical strongly correlated material showing spin striped order associated with lattice and charge modulations. In this work we present the spatial distribution of the spin organization by applying micro X-ray diffraction to La1.72Sr0.28NiO4, mapping the spin-density-wave order below the 120K onset temperature. We find that the spin-density-wave order shows the formation of nanoscale puddles with large spatial fluctuations. The nano-puddle density changes on the microscopic scale forming a multiscale phase separation extending from nanoscale to micron scale with scale-free distribution. Indeed spin-density-wave striped puddles are disconnected by spatial regions with different stripe orientation or negligible spin-density-wave order. The present work highlights the complex nanoscale phase separation of spin stripes in nickelate perovskites and opens the question of the energetics at domain interfaces
description: 12 pages, 2 figures
Granular systems in the Coulomb blockade regime
Creators: name: Arovas, D. P.
name: Guinea, F.
name: Herrero, C.
name: Jose, P. San
Publisher: name: arXiv
Year: 2002
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Disordered granular systems, at temperatures where charging effects are important, are studied, by means of an effective medium approximation. The intragrain charging energy leads to insulating behavior at low temperatures, with a well defined Coulomb gap. Non equilibrium effects can give rise to a zero temperature transition between a metallic, gapless phase, and an insulating phase.
title: Ð¡ÑÐ°Ð²Ð½Ð¸ÑÐµÐ»ÑÐ½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ¸Ð¿Ð¾Ð² Ð¸Ð½Ð´ÐµÐºÑÐ¾Ð² Ð² Ð¡Ð£ÐÐ SQL Server Ð¸ PostgreSQL
title: Comparative analysis of index types in SQL Server and PostgreSQL DBMS
Creators: name: ÐÐ¾ÑÐ¾Ð·Ð¾Ð², Ð¡ÐµÑÐ³ÐµÐ¹
name: ÐÐµÑÑÐµÑÐ¾Ð², Ð¡ÐµÑÐ³ÐµÐ¹
name: "Ð¡Ð¸ÑÑÐµÐ¼Ð½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· Ð² Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ð¸ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ð¸", Ð¼ÐµÐ¶Ð´ÑÐ½Ð°ÑÐ¾Ð´Ð½Ð°Ñ Ð½Ð°ÑÑÐ½Ð¾-Ð¿ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ°Ñ ÐºÐ¾Ð½ÑÐµÑÐµÐ½ÑÐ¸Ñ (27; 2023; Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³)
Publisher: name: ÐÐÐÐÐ¢ÐÐ¥-ÐÐ ÐÐ¡Ð¡
Year: 2024
Subjects: ÐÐ°Ð·Ñ Ð´Ð°Ð½Ð½ÑÑ
Ð¾Ð¿ÑÐ¸Ð¼Ð¸Ð·Ð°ÑÐ¸Ñ Ð·Ð°Ð¿ÑÐ¾ÑÐ¾Ð²
Ð¸Ð½Ð´ÐµÐºÑÑ
query optimization
indexes

description: Ð Ð°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° ÑÑÐ°Ð²Ð½Ð¸ÑÐµÐ»ÑÐ½Ð¾Ð¼Ñ Ð°Ð½Ð°Ð»Ð¸Ð·Ñ Ð¸Ð½Ð´ÐµÐºÑÐ¾Ð² Ð´Ð»Ñ Ð¾Ð¿ÑÐ¸Ð¼Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð·Ð°Ð¿ÑÐ¾ÑÐ¾Ð² Ð² Ð´Ð²ÑÑ Ð¿Ð¾Ð¿ÑÐ»ÑÑÐ½ÑÑ Ð¡Ð£ÐÐ: Microsoft SQL Server Ð¸ PostgreSQL. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ ÐºÑÐ°ÑÐºÐ¸Ð¹ Ð¾Ð±Ð·Ð¾Ñ ÐºÐ»Ð°ÑÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¸ ÑÐ¿ÐµÑÐ¸Ð°Ð»ÑÐ½ÑÑ Ð¸Ð½Ð´ÐµÐºÑÐ¾Ð² Ð´Ð»Ñ Ð¾Ð±ÐµÐ¸Ñ Ð¡Ð£ÐÐ. ÐÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¾ ÑÑÐ°Ð²Ð½ÐµÐ½Ð¸Ðµ ÑÐ¸Ð¿Ð¾Ð² Ð¸Ð½Ð´ÐµÐºÑÐ¾Ð² Ð¡Ð£ÐÐ Ð¿Ð¾ ÐºÑÐ¸ÑÐµÑÐ¸Ñ Ð¿ÑÐ¸Ð¼ÐµÐ½Ð¸Ð¼Ð¾ÑÑÐ¸ Ðº ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÐ¼ ÑÐ¸Ð¿Ð°Ð¼ Ð´Ð°Ð½Ð½ÑÑ.
description: The work is devoted to a comparative analysis of indexes for query optimization of two popular DBMS: Microsoft SQL Server and PostgreSQL. A brief review of classic and special indexes for both DBMS is provided. The types of DBMS indexes were compared according to the criterion of applicability to various types of data.
Characterization of the complete plastome of Ophrys aveyronensis, a Euro-Mediterranean orchid with an intriguing disjunct geographic distribution
Creators: name: Bertrand, Joris A. M.
name: Gibert, Anaïs
name: Llauro, Christel
name: Panaud, Olivier
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biophysics
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Evolutionary Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Ophrys aveyronensis is an orchid with disjunct geographic distribution. For biogeographic and conservation purpose, we sequenced its complete plastome using Illumina data. The complete plastome is 146,816 bp in length, consisting of a pair of inverted repeats (IRs) of 25,006 bp, a large single-copy (LSC) region and a small single-copy region (SSC) of 80,495 and 16,309 bp, respectively. It was found to contain 133 genes, including 86 protein-coding genes, up to 39 trRNA genes and 8 rRNA genes. The overall GC content of the plastid genome is 36.9%. Phylogenetic inference confirms that O. aveyronensis is very close to O. sphegodes.
Caloric curve for finite nuclei in relativistic models
Creators: name: Menezes, D. P.
name: Providencia, C.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: In this work we calculate the caloric curve (excitation energy per particle as a function of temperature) for finite nuclei within the non--linear Walecka model for different proton fractions. It is shown that the caloric curve is sensitive to the proton fraction. Freeze-out volume effects in the caloric curve are also studied.
description: 11 pages, 1 figure, 4 tables
Rapid Path Planning for Dubins Vehicles under Environmental Currents
Creators: name: Mittal, Khushboo
name: Song, Junnan
name: Gupta, Shalabh
name: Wettergren, Thomas A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Robotics (cs.RO)
subject: Systems and Control (eess.SY)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper presents a rapid (real time) solution to the minimum-time path planning problem for Dubins vehicles under environmental currents (wind or ocean currents). Real-time solutions are essential in time-critical situations (such as replanning under dynamically changing environments or tracking fast moving targets). Typically, Dubins problem requires to solve for six path types; however, due to the presence of currents, four of these path types require to solve the root-finding problem involving transcendental functions. Thus, the existing methods result in high computation times and their applicability for real-time applications is limited. In this regard, in order to obtain a real-time solution, this paper proposes a novel approach where only a subset of two Dubins path types (LSL and RSR) are used which have direct analytical solutions in the presence of currents. However, these two path types do not provide full reachability. We show that by extending the feasible range of circular arcs in the LSL and RSR path types from $2π$ to $4π$: 1) full reachability of any goal pose is guaranteed, and 2) paths with lower time costs as compared to the corresponding $2π$-arc paths can be produced. Theoretical properties are rigorously established, supported by several examples, and evaluated in comparison to the Dubins solutions by extensive Monte-Carlo simulations.
description: 21 pages
Additional file 1 of Engineering defected 2D Pd/H-TiO2 nanosonosensitizers for hypoxia alleviation and enhanced sono-chemodynamic cancer nanotherapy
Creators: name: Qiao, Xiaohui
name: Xue, Liyun
name: Huang, Hui
name: Dai, Xinyue
name: Chen, Yu
name: Ding, Hong
Publisher: name: figshare
Year: 2022
Subjects: subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified

description: Additional file 1. Additional information includes part of materials and methods, as well as additional figures.
A vision about the farming sector’s future: What is in there for farmers in the time of the second machine age?
Creators: name: Rizov, Marian
name: Rizov, Marian
Publisher: name: Unknown
Year: 2016
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Industrial Organization
subject: Labor and Human Capital
subject: Production Economics
subject: Research and Development/Tech Change/Emerging Technologies
subject: Farming
subject: technical change
subject: industrial organization

description: Recent technological advances both on the farm and in the lab have made farming more independent form nature than ever before. Arguably, the new and accessible technologies are helping us to better understand and ‘manage’ nature and thus for first time in history farming is becoming as any other industry, susceptible to specialisation and economies of scale. This in turn, besides increased productivity, leads to fundamental organisational change away from family control towards corporate forms with associated implications for employment and rural livelihoods – new technology in farming replaces both ‘muscles and brains’.
On the gas temperature in circumstellar disks around A stars
Creators: name: Kamp, Inga
name: van Zadelhoff, Gerd-Jan
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In circumstellar disks or shells it is often assumed that gas and dust temperatures are equal where the latter is determined by radiative equilibrium. This paper deals with the question whether this assumption is applicable for tenous circumstellar disks around young A stars. In this paper the thin hydrostatic equilibrium models described by Kamp & Bertoldi (2000) are combined with a detailed heating/cooling balance for the gas. The most important heating and cooling processes are heating through infrared pumping, heating due to the drift velocity of dust grains, and fine structure and molecular line cooling. Throughout the whole disk gas and dust are not efficiently coupled by collisions and hence their temperatures are quite different. Most of the gas in the disk models considered here stays well below 300 K. In the temperature range below 300 K the gas chemistry is not much affected by T_gas and therefore the simplifying approximation T_gas = T_dust can be used for calculating the chemical structure of the disk. Nevertheless the gas temperature is important for the quantitative interpretation of observations, like fine structure and molecular lines.
description: 16 pages, 31 figures, A&A accepted May 4, 2001
Radiation pressure instability driven variability in the accreting black holes
Creators: name: Janiuk, Agnieszka
name: Czerny, Bozena
name: Siemiginowska, Aneta
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The time dependent evolution of the accretion disk around black hole is computed. The classical description of the $α$-viscosity is adopted so the evolution is driven by the instability operating in the innermost radiation-pressure dominated part of the accretion disk. We assume that the optically thick disk always extends down to the marginally stable orbit so it is never evacuated completely. We include the effect of the advection, coronal dissipation and vertical outflow. We show that the presence of the corona and/or the outflow reduce the amplitude of the outburst. If only about half of the energy is dissipated in the disk (with the other half dissipated in the corona and carried away by the outflow) the outburst amplitude and duration are consistent with observations of the microquasar GRS 1915+105. Viscous evolution explains in a natural way the lack of direct transitions from the state C to the state B in color-color diagram of this source. Further reduction of the fraction of energy dissipated in the optically thick disk switches off the outbursts which may explain why they are not seen in all high accretion rate sources being in the Very High State.
description: 31 pages, 14 figures; accepted to ApJ
A Reinforcement Learning Approach for the Multichannel Rendezvous Problem
Creators: name: Wang, Jen-Hung
name: Lu, Ping-En
name: Chang, Cheng-Shang
name: Lee, Duan-Shin
Publisher: name: arXiv
Year: 2019
Subjects: subject: Signal Processing (eess.SP)
subject: Machine Learning (cs.LG)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: In this paper, we consider the multichannel rendezvous problem in cognitive radio networks (CRNs) where the probability that two users hopping on the same channel have a successful rendezvous is a function of channel states. The channel states are modelled by two-state Markov chains that have a good state and a bad state. These channel states are not observable by the users. For such a multichannel rendezvous problem, we are interested in finding the optimal policy to minimize the expected time-to-rendezvous (ETTR) among the class of {\em dynamic blind rendezvous policies}, i.e., at the $t^{th}$ time slot each user selects channel $i$ independently with probability $p_i(t)$, $i=1,2, \ldots, N$. By formulating such a multichannel rendezvous problem as an adversarial bandit problem, we propose using a reinforcement learning approach to learn the channel selection probabilities $p_i(t)$, $i=1,2, \ldots, N$. Our experimental results show that the reinforcement learning approach is very effective and yields comparable ETTRs when comparing to various approximation policies in the literature.
description: 5 pages, 9 figures. arXiv admin note: text overlap with arXiv:1906.10424
Phasons and the Plastic Deformation of Quasicrystals
Creators: name: Kleman, Maurice
Publisher: name: arXiv
Year: 2002
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The plastic deformation of a quasicrystal (QC) is ruled by singularities of its 'phonon' strain field and of its 'phason' strain field. In the framework of the topological theory of defects, and the QC being defined as an irrational subset of a high dimensional crystal, both types of defects appear as distinct components of the same entity, a 'disvection'. Each of them can also be described in classical terms, within a detailed analysis of the Volterra process:(a)- the 'phonon' singularity breaks some symmetry of translation, represented by a Burgers vector projected from the high dimensional crystal onto the physical space; it is akin to an ordinary perfect dislocation, (b)- the 'phason' singularities are dislocation dipoles whose Burgers vectors are of a special type; they break not only a particular symmetry of translation but also, in the QCs' jargon, the 'class of local isomorphism' of the QC. In fact, such dipoles, if they open up into loops, bound stacking faults; a phason singularity is thus an imperfect dislocation. It is suggested that the interplay of perfect and imperfect dislocations is at the origin of the peculiar characters of the plastic deformation of QCs, namely the brittle-ductile transition followed by a stage of work softening; in particular the brittle-ductile transition could be related to a cooperative transition of the Kosterlitz-Thouless type which affects the dipoles and turn them into (imperfect) dislocation loops.
description: submitted to EPJ B