cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
DEMOGRAPHIC AND SOCIOECONOMIC INFLUENCES ON THE IMPORTANCE OF FOOD SAFETY IN FOOD SHOPPING
Creators: name: Lin, Chung-Tung Jordan
name: Lin, Chung-Tung Jordan
Publisher: name: Unknown
Year: 1995
Subjects: Food Consumption/Nutrition/Food Safety

description: The perceived importance of food safety is instrumental in the success of consumer information programs to promote public health and to market safer foods. This paper examines how the belief of a household's main meal planner about the importance of food safety in food shopping is influenced by the person's or the household's demographic and socioeconomic characteristics. Results suggest food safety is more important to main meal planners who are female, older, more educated, non-working, have at-risk household members (elderly, young children, and pregnant women), or live in the Northeast and the South. Implications of the results on consumer education are discussed.
THE CHANGING RURAL POLICY CONTEXT: DISCUSSION
Creators: name: Hastings, Steven E.
name: Cole, Gerald L.
name: Hastings, Steven E.
name: Cole, Gerald L.
Publisher: name: Unknown
Year: 1995
Subjects: Community/Rural/Urban Development

description: This paper discusses a paper presented by Steven Smith at the 1995 annual meeting of the Northeastern Agricultural and Resource Economics Association. Smith presented key issues that have changed the context for rural development policy in the United States. We propose that the induced innovation model of economic development can be used to identify a variety of ways that LGU's can contribute to developing and delivering appropriate rural economic development programs. These ways include assisting rural communities in identifying comparative advantage, identifying and/or providing relevant resource persons, delivering appropriate educational programs and conducting research on important issues. The success of LGU's in these areas will depend on their willingness to undertake these activities and their ability to recognize and adapt to current to future economic and social realities affecting rural America.
Parameter estimates for fractional autoregressive spatial processes
Creators: name: Boissy, Y.
name: Bhattacharyya, B. B.
name: Li, X.
name: Richardson, G. D.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 62F12, 62M30 (Primary)

description: A binomial-type operator on a stationary Gaussian process is introduced in order to model long memory in the spatial context. Consistent estimators of model parameters are demonstrated. In particular, it is shown that $\hat{d}_N-d=O_P(\frac{(\operatorname {Log}N)^3}{N})$, where $d=(d_1,d_2)$ denotes the long memory parameter.
description: Published at http://dx.doi.org/10.1214/009053605000000589 in the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Determination of the spin Hall angle, spin mixing conductance and spin diffusion length in Ir/CoFeB for spin-orbitronic devices
Creators: name: Fache, T.
name: Rojas-Sánchez, J. C.
name: Badie, L.
name: Mangin, S.
name: Petit-Watelot, S.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Iridium is a very promising material for spintronic applications due to its interesting magnetic properties such as large RKKY exchange coupling as well as its large spin-orbit coupling value. Ir is for instance used as a spacer layer for perpendicular synthetic antiferromagnetic or ferrimagnet systems. However, only a few studies of the spintronic parameters of this material have been reported. In this paper, we present inverse spin Hall effect - spin pumping ferromagnetic resonance measurements on CoFeB/Ir based bilayers to estimate the values of the effective spin Hall angle, the spin diffusion length within iridium, and the spin mixing conductance in the CoFeB/Ir bilayer. In order to have reliable results, we performed the same experiments on CoFeB/Pt bilayers, which behavior is well known due to numerous reported studies. Our experimental results show that the spin diffusion length within iridium is 1.3 nm for resistivity of 250 n$Ω$.m, the spin mixing conductance $g_{eff}^{\uparrow \downarrow}$ of the CoFeB/Ir interface is 30 nm$^{-2}$, and the spin Hall angle of iridium has the same sign than the one of platinum and is evaluated at 26% of the one of platinum. The value of the spin Hall angle found is 7.7% for Pt and 2% for Ir. These relevant parameters shall be useful to consider Ir in new concepts and devices combining spin-orbit torque and spin-transfer torque.
description: 8 pages, 4 figures
Mass conservative reaction diffusion systems describing cell polarity
Creators: name: Latos, Evangelos
name: Suzuki, Takashi
Publisher: name: arXiv
Year: 2020
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: A reaction-diffusion system with mass conservation modelling cell polarity is considered. A range of the parameters is found where the solution converges exponentially to the constant equilibrium and the $ω$-limit set of the solution is spatially homogeneous, containing the constant stationary solution as well as possible spatially homogeneous orbits.
THE IMPACT OF AN AGING RURAL POPULATION ON LOCAL TAX STRUCTURES
Creators: name: Kelsey, Timothy W.
name: Smith, Stephen M.
name: Luloff, A.E.
name: Kelsey, Timothy W.
name: Smith, Stephen M.
name: Luloff, A.E.
Publisher: name: Unknown
Year: 1995
Subjects: Community/Rural/Urban Development

description: The growing American retired population increasingly is viewed for its economic development potential. The relationship between the elderly and local taxes may have a critical effect on this potential, however. This paper examines the local tax implications of an increasing elderly population in communities prohibiting tax referenda. In such communities, citizens have no direct role in tax decisions. The elderly's attitudes towards different local taxes are examined using telephone survey data, before using aggregate data to investigate the relationship between the elderly and the specific taxes used in communities. The results suggest that a high proportion of elderly do not affect the mix of local taxes, but that an increasing proportion does have an influence.
Additional file 1 of Genetic evidence for imported malaria and local transmission in Richard Toll, Senegal
Creators: name: Daniels, Rachel F.
name: Schaffner, Stephen F.
name: Yakou Dieye
name: Gnagna Dieng
name: Hainsworth, Michael
name: Fatou B. Fall
name: Coumba Ndoffene Diouf
name: Medoune Ndiop
name: Moustapha Cisse
name: Alioune Badara Gueye
name: Sarr, Oumar
name: Guinot, Philippe
name: Deme, Awa B.
name: Bei, Amy K.
name: Sy, Mouhamad
name: Thwing, Julie
name: MacInnis, Bronwyn
name: Earle, Duncan
name: Guinovart, Caterina
name: Doudou Sene
name: Hartl, Daniel L.
name: Ndiaye, Daouda
name: Steketee, Richard W.
name: Dyann F. Wirth
name: Volkman, Sarah K.
Publisher: name: figshare
Year: 2020
Subjects: subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Pharmacology
subject: Biotechnology
subject: Evolutionary Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 1. Schematic of Richard Toll sample analysis. A total of 759 samples were received and genotyping yielded 649 samples that passed genotyping (5 or fewer missing alleles in the 24-SNP barcode). Of these 649 samples, 473 were monogenomic (0, or 1 mixed allele in the 24-SNP barcode).
Bandwidth selection for smooth backfitting in additive models
Creators: name: Mammen, Enno
name: Park, Byeong U.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 62G07 (Primary) 62G20 (Secondary)

description: The smooth backfitting introduced by Mammen, Linton and Nielsen [Ann. Statist. 27 (1999) 1443-1490] is a promising technique to fit additive regression models and is known to achieve the oracle efficiency bound. In this paper, we propose and discuss three fully automated bandwidth selection methods for smooth backfitting in additive models. The first one is a penalized least squares approach which is based on higher-order stochastic expansions for the residual sums of squares of the smooth backfitting estimates. The other two are plug-in bandwidth selectors which rely on approximations of the average squared errors and whose utility is restricted to local linear fitting. The large sample properties of these bandwidth selection methods are given. Their finite sample properties are also compared through simulation experiments.
description: Published at http://dx.doi.org/10.1214/009053605000000101 in the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
FUNCTIONAL FORM MODEL SPECIFICATION: AN APPLICATION TO HEDONIC PRICING
Creators: name: Brown, Jeff E.
name: Ethridge, Don E.
name: Brown, Jeff E.
name: Ethridge, Don E.
Publisher: name: Unknown
Year: 1995
Subjects: Demand and Price Analysis

description: A combination of conceptual analysis and empirical analysis-partial regression and residuals analysis-was used to derive an appropriate functional form hedonic price model. These procedures are illustrated in the derivation of a functional form hedonic model for an automated, econometric daily cotton price reporting system for the Texas-Oklahoma cotton market. Following conceptualization to deduce the general shapes of relationships, the appropriate specific functional form was found by testing particular attribute transformations identified from partial regression analysis. Minimizing structural errors across attribute levels and estimation accuracy were used in determining when an appropriate functional form for both implicit and explicit prices was found.
Diffusion-limited deposition with dipolar interactions: fractal dimension and multifractal structure
Creators: name: Tasinkevych, M.
name: Tavares, J. M.
name: Santos, F. de los
Publisher: name: arXiv
Year: 2005
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Computer simulations are used to generate two-dimensional diffusion-limited deposits of dipoles. The structure of these deposits is analyzed by measuring some global quantities: the density of the deposit and the lateral correlation function at a given height, the mean height of the upper surface for a given number of deposited particles and the interfacial width at a given height. Evidences are given that the fractal dimension of the deposits remains constant as the deposition proceeds, independently of the dipolar strength. These same deposits are used to obtain the growth probability measure through Monte Carlo techniques. It is found that the distribution of growth probabilities obeys multifractal scaling, i.e. it can be analyzed in terms of its $f(α)$ multifractal spectrum. For low dipolar strengths, the $f(α)$ spectrum is similar to that of diffusion-limited aggregation. Our results suggest that for increasing dipolar strength both the minimal local growth exponent $α_{min}$ and the information dimension $D_1$ decrease, while the fractal dimension remains the same.
description: 10 pages, 7 figures
Coulomb electron pairing in a tight-binding model of La-based cuprate superconductors
Creators: name: Frahm, K. M.
name: Shepelyansky, D. L.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study the properties of two electrons with Coulomb interactions in a tight-binding model of La-based cuprate superconductors. This tight-binding model is characterized by long-range hopping obtained previously by advanced quantum chemistry computations. We show analytically and numerically that the Coulomb repulsion leads to a formation of compact pairs propagating through the whole system. The mechanism of pair formation is related to the emergence of an effective narrow energy band for Coulomb electron pairs with conserved total pair energy and momentum. The dependence of the pair formation probability on an effective filling factor is obtained with a maximum around a filling factor of 20 (or 80) percent. The comparison with the case of the nearest neighbor tight-binding model shows that the long-range hopping provides an increase of the phase space volume with high pair formation probability. We conjecture that the Coulomb electron pairs discussed here may play a role in high temperature superconductivity.
description: 11 pages, 1 page suppmat., 10+2 figures and 2 video files as ancillary files (in subfolder anc/)
Anisotropic Stark shift, field-induced dissociation, and electroabsorption of excitons in phosphorene
Creators: name: Kamban, Høgni C.
name: Pedersen, Thomas G.
name: Peres, Nuno M. R.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We compute binding energies, Stark shifts, electric-field-induced dissociation rates, and the Franz-Keldysh effect for excitons in phosphorene in various dielectric surroundings. All three effects show a pronounced dependence on the direction of the in-plane electric field, with the dissociation rates in particular decreasing by several orders of magnitude upon rotating the electric field from the armchair to the zigzag axis. To better understand the numerical dissociation rates, we derive an analytical approximation to the anisotropic rates induced by weak electric fields, thereby generalizing the previously obtained result for isotropic two-dimensional semiconductors. This approximation is shown to be valid in the weak-field limit by comparing it to the exact rates. The anisotropy is also apparent in the large difference between armchair and zigzag components of the exciton polarizability tensor, which we compute for the five lowest lying states. As expected, we also find much more pronounced Stark shifts in either the armchair or zigzag direction, depending on the symmetry of the state in question. Finally, an isotropic interaction potential is shown to be an excellent approximation to a more accurate anisotropic interaction derived from the Poisson equation, confirming that the anisotropy of phosphorene is largely due to the direction dependence of the effective masses.
van Leeuwen Richard: Notables & Clergy in Mount Lebanon
Creators: name: Suermann, Harald
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 80 (1996): Oriens christianus, Band 80
Quantum Quench and Charge Oscillations in the SU(3) Hubbard Model: a Test of Time Evolving Block Decimation with general non-Abelian Symmetries
Creators: name: Werner, Miklós Antal
name: Moca, Cătălin Paşcu
name: Legeza, Örs
name: Zaránd, Gergely
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We introduce the notion of non-Abelian tensors, and use them to construct a general non-Abelian time evolving block decimation (NA-TEBD) scheme that uses an arbitrary number of Abelian and non-Abelian symmetries. Our approach increases the speed and memory storage efficiency of matrix product state based computations by several orders of magnitudes, and makes large bond dimensions accessible even on simple desktop architectures. We use it to study post-quench dynamics in the repulsive SU(3) Hubbard model, and to determine the time evolution of various local operators and correlation functions efficiently. Interactions turn algebraic charge relaxation into exponential, and suppress coherent quantum oscillations rapidly.
description: 10 + 5 pages, 15 figures
Enhanced computational performance of the lattice Boltzmann model for simulating micron- and submicron-size particle flows and non-Newtonian fluid flows
Creators: name: Başağaoğlu, Hakan
name: Harwell, John R.
name: Nguyen, Hoa
name: Succi, Sauro
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computational Physics (physics.comp-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: Significant improvements in the computational performance of the lattice-Boltzmann (LB) model, coded in FORTRAN90, were achieved through application of enhancement techniques. Applied techniques include optimization of array memory layouts, data structure simplification, random number generation outside the simulation thread(s), code parallelization via OpenMP, and intra- and inter-timestep task pipelining. Effectiveness of these optimization techniques was measured on three benchmark problems: (i) transient flow of multiple particles in a Newtonian fluid in a heterogeneous fractured porous domain, (ii) thermal fluctuation of the fluid at the sub-micron scale and the resultant Brownian motion of a particle, and (iii) non-Newtonian fluid flow in a smooth-walled channel. Application of the aforementioned optimization techniques resulted in an average 21 performance improvement, which could significantly enhance practical uses of the LB models in diverse applications, focusing on the fate and transport of nano-size or micron-size particles in non-Newtonian fluids.
description: 15 pages, 7 figures
Predicting the surface area to volume ratio of pores in iron rich sediments from nuclear magnetic resonance data
Creators: name: Trotter, Christina Elizabeth
Publisher: name: University of British Columbia
Year: 2009

description: In this thesis, I investigated two methods of recovering the surface area to volume ratio (S/V), or pore size distribution, of water filled porous geological materials using Nuclear Magnetic Resonance (NMR) data. The NMR relaxation times T₁ and T₂ depend on the quantity of magnetic sites on the solid pore surface, which is characterized by a parameter called the surface relaxivity, denoted as p₁ and p₂ respectively. This parameter must be estimated in order to determine the S/V. Magnetic susceptibility was explored as a method of estimating pi, as it also depends on the amount of magnetic material in a sample. Magnetite and hematite were combined with quartz for measurement. Mixtures of 0.5, 1 and 2 percent magnetite by weight and 2.1, 3, 6, 9, 12, 30 and 60 percent hematite by weight were created. The magnetic susceptibility and pi of both the magnetite and hematite mixtures showed good correlation and the results indicate magnetic susceptibility could be used to predict p₁ for unconsolidated sediments. A second method for determining the S/V using T₂ data was studied. T₂ is affected by diffusion of the protons through internal magnetic field inhomogeneities, a process that does not influence T₁. These inhomogeneities can be modeled as an effective gradient, G, which must be estimated. A parameter estimation inversion code was developed to solve for P₂, S/V and G. Evaluation of the algorithm was completed on a synthetic data, which was created with 7% incorporated noise. G and the product of pi and S/V were reliably recovered but distinguishing between pi and S/V was not possible for this data set. The inversion was then carried out on T₂ data from the same hematite samples discussed above. This data set allowed better distinction between p₂ and S/V. p₂ and G values were within the expected range, but the S/V was larger than expected, which was partly due to the sample geometry. This parameter estimation algorithm shows potential for determining the S/V of a pore space from T₂ measurements, but further experimentation is required.
DO FARM BUSINESSES AND BIG BUSINESSES APPLY DIFFERENT CAPITAL BUDGETING PROCEDURES?
Creators: name: Arthurton, Daniel A.
name: Moffitt, L. Joe
name: Allen, P. Geoffrey
name: Cox, Douglas A.
name: Arthurton, Daniel A.
name: Moffitt, L. Joe
name: Allen, P. Geoffrey
name: Cox, Douglas A.
Publisher: name: Unknown
Year: 1995
Subjects: Agribusiness

description: Recent studies of capital budgeting procedures used by business executives suggest increasing use of present value methods. This study compares Massachusetts greenhouse business managers use of capital budgeting procedures to those of Fortune 1000 firms. Results indicate that different capital budgeting procedures are used and that the payback criterion remains the most popular for the farm firms studied. Some implications for Extension finance educators are drawn.
Influence of coincidence detection through free-space atmospheric turbulence using partial spatial coherence
Creators: name: Phehlukwayo, Samkelisiwe Purity
name: Umuhire, Marie Louise
name: Ismail, Yaseera
name: Joshi, Stuti
name: Petruccione, Francesco
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The development of a quantum network relies on the advances of hybrid systems which includes ground to ground communication. However, the atmospheric turbulence of the environment poses a severe challenge to the optical quantum link. In this paper, we outline a theoretical and experimental investigation of the influence of atmospheric turbulence on the coincidence detection of the entangled photon pairs using a fully and partially spatially coherent pump beam. A spatial light modulator is encoded with Kolmogorov model to mimic the atmospheric turbulence strength. The results show that the photon pairs generated using a partially spatially coherent pump are more robust towards varying atmospheric turbulence strengths than the photon pairs produced by a fully spatially coherent pump beam.
Nonparametric regression penalizing deviations from additivity
Creators: name: Studer, M.
name: Seifert, B.
name: Gasser, T.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 62G08 (Primary) 62H99 (Secondary)

description: Due to the curse of dimensionality, estimation in a multidimensional nonparametric regression model is in general not feasible. Hence, additional restrictions are introduced, and the additive model takes a prominent place. The restrictions imposed can lead to serious bias. Here, a new estimator is proposed which allows penalizing the nonadditive part of a regression function. This offers a smooth choice between the full and the additive model. As a byproduct, this penalty leads to a regularization in sparse regions. If the additive model does not hold, a small penalty introduces an additional bias compared to the full model which is compensated by the reduced bias due to using smaller bandwidths. For increasing penalties, this estimator converges to the additive smooth backfitting estimator of Mammen, Linton and Nielsen [Ann. Statist. 27 (1999) 1443-1490]. The structure of the estimator is investigated and two algorithms are provided. A proposal for selection of tuning parameters is made and the respective properties are studied. Finally, a finite sample evaluation is performed for simulated and ozone data.
description: Published at http://dx.doi.org/10.1214/009053604000001246 in the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
SUBTLETIES ASSOCIATED WITH DERIVED DEMAND RELATIONSHIPS
Creators: name: Schrimper, Ronald A.
name: Schrimper, Ronald A.
Publisher: name: Unknown
Year: 1995
Subjects: Demand and Price Analysis

description: Subtleties involving measurement of quantities and prices when derived demands are graphically displayed in frameworks representing market linkages are discussed. Complications arising from assuming variable proportions rather than fixed coefficients are noted. Finally, an example developed by Wohlgenant and Haidacher is clarified.
Density-Dependence as a Size-Independent Regulatory Mechanism
Creators: name: de Vladar, Harold P.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: FOS: Biological sciences

description: The growth function of populations is central in biomathematics. The main dogma is the existence of density dependence mechanisms, which can be modelled with distinct functional forms that depend on the size of the population. One important class of regulatory functions is the $θ$-logistic, which generalises the logistic equation. Using this model as a motivation, this paper introduces a simple dynamical reformulation that generalises many growth functions. The reformulation consists of two equations, one for population size, and one for the growth rate. Furthermore, the model shows that although population is density-dependent, the dynamics of the growth rate does not depend either on population size, nor on the carrying capacity. Actually, the growth equation is uncoupled from the population size equation, and the model has only two parameters, a Malthusian parameter $ρ$ and a competition coefficient $θ$. Distinct sign combinations of these parameters reproduce not only the family of $θ$-logistics, but also the van Bertalanffy, Gompertz and Potential Growth equations, among other possibilities. It is also shown that, except for two critical points, there is a general size-scaling relation that includes those appearing in the most important allometric theories, including the recently proposed Metabolic Theory of Ecology. With this model, several issues of general interest are discussed such as the growth of animal population, extinctions, cell growth and allometry, and the effect of environment over a population.
description: 41 Pages, 5 figures Submitted to JTB
Experimental demonstration of structural robustness of spatially partially coherent fields in turbulence
Creators: name: Bhattacharjee, Abhinandan
name: Jha, Anand K
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Structured fields that are spatially completely coherent have been extensively studied in the context of long-distance optical communication as the structure in the intensity profile of such fields is used for encoding information. This method of doing optical communication works very well in the absence of turbulence. However, in the presence of turbulence, the intensity structures of such fields start to degrade because of the complete spatial coherence of the field, and this structural degradation increases with the increase in the turbulence strength. On the other hand, several theoretical studies have now shown that the structured fields that are spatially only partially coherent are less affected by turbulence. However, no such experimental demonstration has been reported until now. In this letter, we experimentally demonstrate the structural robustness of partially coherent fields in the presence of turbulence, and we show that for a given turbulence strength the structural robustness of a partially coherent field increases as the spatial coherence length of the field is decreased.
Quasicrystal formation in binary soft matter mixtures
Creators: name: Scacchi, A.
name: Somerville, W. R. C.
name: Buzza, D. M. A.
name: Archer, A. J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: Using a strategy that may be applied in theory or in experiments, we identify the regime in which a model binary soft matter mixture forms quasicrystals. The system is described using classical density functional theory combined with integral equation theory. Quasicrystal formation requires particle ordering with two characteristic lengthscales in certain particular ratios. How the lengthscales are related to the form of the pair interactions is reasonably well understood for one component systems, but less is known for mixtures. In our model mixture of big and small colloids confined to an interface, the two lengthscales stem from the range of the interactions between pairs of big particles and from the cross big-small interactions, respectively. The small-small lengthscale is not significant. Our strategy for finding quasicrystals involves tuning locations of maxima in the dispersion relation, or equivalently in the liquid state partial static structure factors.
description: 8 pages, 5 figures
AN ECONOMIC MODEL FOR IRRIGATION WELL MANAGEMENT IN A DECLINING AQUIFER
Creators: name: Goss, Don W.
name: Shipley, John L.
name: Goss, Don W.
name: Shipley, John L.
Publisher: name: Unknown
Year: 1978
Subjects: Resource /Energy Economics and Policy

description: A computerized model is developed that uses the aquifer characteristics and irrigation requirements to estimate hydraulic properties of a well pumping from an unconfined aquifer with a steadily declining water table. The model simulates electrically-powered well operation under the most economical conditions. High versatility of model inputs allows examination of many facets of well management. One example is the effect of electricity price on the ratio of energy cost of total cost of supplying water at different average total heads. At current electricity prices, energy accounted for 65 to 70 percent of total water costs. In a second example, as average annual efficiency decreased, average annual cost per acre-foot increased and average annual pumping volume decreased, leaving average annual total energy costs almost constant.
An analytic treatment of Quartic Hilltop Inflation
Creators: name: Dimopoulos, Konstantinos
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Quartic hilltop inflation remains one of the most successful inflationary models. Yet, the expectations of early treatments of hilltop inflation would contradict the observations and render the model excluded. However, recent numerical treatment has demonstrated that quartic hilltop inflation actually fares well with observations. In this work, a fully analytic treatment of the model aims to dispel the mystery surrounding the behaviour of quartic hilltop inflation. The results obtained are in excellent agreement with numerical works on the subject, yet offer simple analytic formulas to calculate observables and easily test thereby quartic hilltop inflation, hopefully revealing information on the theoretical background.
description: 8 pages, 3 figures, added reference
Dissipation of Magnetohydrodynamic Waves on Energetic Particles: Impact on Interstellar Turbulence and Cosmic Ray Transport
Creators: name: Ptuskin, V. S.
name: Moskalenko, I. V.
name: Jones, F. C.
name: Strong, A. W.
name: Zirakashvili, V. N.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The physical processes involved in diffusion of Galactic cosmic rays in the interstellar medium are addressed. We study the possibility that the nonlinear MHD cascade sets the power-law spectrum of turbulence which scatters charged energetic particles. We find that the dissipation of waves due to the resonant interaction with cosmic ray particles may terminate the Kraichnan-type cascade below wavelengths 10^13 cm. The effect of this wave dissipation has been incorporated in the GALPROP numerical propagation code in order to asses the impact on measurable astrophysical data. The energy-dependence of the cosmic-ray diffusion coefficient found in the resulting self-consistent model may explain the peaks in the secondary to primary nuclei ratios observed at about 1 GeV/nucleon.
description: 15 pages, 20 figures, 1 table, emulateapj.cls; To be published in ApJ 10 May 2006, v.642
Isospin-density dependent pairing from infinite nuclear matter to finite nuclei
Creators: name: Meng, Xu
name: Zhang, Shisheng
name: Guo, Lin
name: Geng, Lisheng
name: Cao, Ligang
Publisher: name: arXiv
Year: 2020
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The effective isospin-density dependent pairing interaction (P1) [S. S. Zhang, U. Lombardo and E. G. Zhao, Sci. Chin. Phys. Mech. Astro. {\bf 54}, 236 (2011)] extracted from neutron pairing gaps for $^1$S$_0$ in asymmetric nuclear matter calculations [S. S. Zhang, L. G. Cao, U. Lombardo, et al. Phys. Rev. C {\bf 81}, 044313 (2010)] is employed to study the bulk properties of Ca, Ni, Zr and Sn isotopes. The odd-even mass (OEM) staggering is calculated by the Skyrme Hartree-Fock plus BCS method (SHF + BCS) with the SkP interaction. For comparison, we study two other types of isovector effective pairing interactions. One is also extracted from pairing gaps of infinite nuclear matter by the Brueckner-Hartree-Fock (BHF) method but for free spectrum (P2). The other is obtained by fitting the empirical OEM (P3). An isoscalar effective pairing interaction (P4) is also adopted which is determined by fitting the empirical OEM. We find that interaction P1 can better describe the OEM staggering of Ni, Zr and Sn isotopes by $14.3 \%, 41 \%, 30.4 \%$ compared with interaction P2, in terms of root mean square deviations to the empirical OEM, respectively. On the other hand, the performance of P1 and P2 is comparable for Ca isotopes. For Ca and Ni isotopes, P1 behaves similarly as P3, but for Zr isotopes P1 is better than P3 by $\sim 34 \%$. Among the four pairing interactions studied, P4 performs the worst. Therefore, one may conclude that for neutron pairings in finite nuclei, the isovector pairings are preferred than the isoscalar one. It is quite interesting to note that the pairing interaction P1 extracted from nuclear matter calculations can describe pairing gaps of finite nuclei as well as or even better than the interaction P3 directly fitted to finite nuclei.
Hot-spots and gain enhancement in a doubly pumped parametric down-conversion process
Creators: name: Jedrkiewicz, Ottavia
name: Invernizzi, Erica
name: Brambilla, Enrico
name: Gatti, Alessandra
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We experimentally investigate the parametric down-conversion process in a nonlinear bulk crystal, driven by two non-collinear pump modes. The experiment shows the emergence of bright hot-spots in modes shared by the two pumps, in analogy with the phenomenology recently observed in 2D nonlinear photonic crystals. By exploiting the spatial walk-off between the two extraordinary pump modes we have been able to recreate a peculiar resonance condition, reported by a local enhancement of the parametric gain, which corresponds to a transition from a three-mode to a four-mode coupling. From a quantum point of view this opens the way to the generation of multimode entangled states of light such as tripartite or quadripartite states, in simple bulk nonlinear sources.
description: 15 pages, 10 figures
Additional file 1 of Impact of gastroesophageal reflux on longitudinal lung function and quantitative computed tomography in the COPDGene cohort
Creators: name: Baldomero, Arianne K.
name: Wendt, Chris H.
name: Petersen, Ashley
name: Gaeckle, Nathaniel T.
name: Han, MeiLan K.
name: Kunisaki, Ken M.
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Cancer
subject: Science Policy

description: Additional file: Supplemental Figure 1S. Participant flow diagram. Supplemental Table 1S. Cohort characteristics at Phase I by availability of quantitative CT (QCT) measurements at both visits. Supplemental Table 2S. Multivariable linear regression models of the association between treatment with proton pump inhibitor (PPI) and/or H2 blocker (n = 960) and slopes of quantitative CT (QCT) measures of lung disease among those with gastroesophageal reflux disease (GERD).
Reller, Jobst: Mose bar Keoha und seine Paulinenauslegung
Creators: name: Esbroeck, Michel Van
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 80 (1996): Oriens christianus, Band 80
THE EFFECTS OF INDUSTRY STRUCTURE ON PRICE: A CASE IN THE BEEF INDUSTRY
Creators: name: Menkhaus, Dale J.
name: St. Clair, James S.
name: Ahmaddaud, A. Zahedi
name: Menkhaus, Dale J.
name: St. Clair, James S.
name: Ahmaddaud, A. Zahedi
Publisher: name: Unknown
Year: 1981
Subjects: Industrial Organization
Livestock Production/Industries

description: This study estimates the influence of concentration and other structural variables on the price of slaughter cattle. Cross-sectional data were used to estimate a single equation model which included, in addition to traditional factor demand variables, packer concentration and a measure of market power exerted by feedlots. Results suggest that packer concentration has had a significant and increasing negative impact on fed cattle prices during the years of analysis, 1972 and 1977.
Additional file 1 of Tolerability and efficacy of vortioxetine versus SSRIs in elderly with major depression. Study protocol of the VESPA study: a pragmatic, multicentre, open-label, parallel-group, superiority, randomized trial
Creators: name: Ostuzzi, Giovanni
name: Gastaldon, Chiara
name: Barbato, Angelo
name: D’Avanzo, Barbara
name: Tettamanti, Mauro
name: Monti, Igor
name: Aguglia, Andrea
name: Aguglia, Eugenio
name: Alessi, Maria Chiara
name: Amore, Mario
name: Bartoli, Francesco
name: Biondi, Massimo
name: Bortolaso, Paola
name: Callegari, Camilla
name: Carrà, Giuseppe
name: Caruso, Rosangela
name: Cavallotti, Simone
name: Crocamo, Cristina
name: D’Agostino, Armando
name: Fazio, Pasquale De
name: Natale, Chiara Di
name: Giusti, Laura
name: Grassi, Luigi
name: Martinotti, Giovanni
name: Nosé, Michela
name: Papola, Davide
name: Purgato, Marianna
name: Rodolico, Alessandro
name: Roncone, Rita
name: Tarsitani, Lorenzo
name: Turrini, Giulia
name: Zanini, Elisa
name: Amaddeo, Francesco
name: Ruggeri, Mirella
name: Barbui, Corrado
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1. SPIRIT 2013 Checklist: Recommended items to address in a clinical trial protocol and related documents.
CHARACTERISTICS OF AGRICULTURAL ECONOMICS UNDERGRADUATE ADVISING IN THE WESTERN REGION
Creators: name: Broder, Josef M.
name: Wetzstein, Michael E.
name: Broder, Josef M.
name: Wetzstein, Michael E.
Publisher: name: Unknown
Year: 1981
Subjects: Teaching/Communication/Extension/Profession

description: The quality of faculty advising has been a source of concern among students and faculty. As an initial attempt at addressing these concerns this paper summarizes the results of a faculty advising study in undergraduate agricultural economics programs. Various advising program characteristics among western schools are discussed and contrasted to schools in other regions. Interregional and interdepartmental variation was found in advisor resource allocation, advising program implementation, rewards and priorities, and evaluations of advising quality. Despite larger enrollments, smaller advising budgets, less support and lower rewards for advising, schools in the West reported advising quality comparable if not superior to that in other regions.
Extended emission around GPS radio sources
Creators: name: Stanghellini, C.
name: O'Dea, C. P.
name: Dallacasa, D.
name: Cassaro, P.
name: Baum, S. A.
name: Fanti, R.
name: Fanti, C.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Extended radio emission detected around a sample of GHz Peaked Spectrum (GPS) radio sources is discussed. Evidence for extended emission which is related to the GPS source is found in 6 objects out of 33. Three objects are associated with quasars with core-jet pc-scale morphology, and three are identified with galaxies with symmetric (CSO) radio morphology. We conclude that the core-jet GPS quasars are likely to be beamed objects with a continuous supply of energy from the core to the kpc scale. It is also possible that low surface brightness extended radio emission is present in other GPS quasars but the emission is below our detection limit due to the high redshifts of the objects. On the other hand, the CSO/galaxies with extended large scale emission may be rejuvenated sources where the extended emission is the relic of previous activity. In general, the presence of large scale emission associated with GPS galaxies is uncommon, suggesting that in the context of the recurrent activity model, the time scale between subsequent bursts is in general longer than the radiative lifetime of the radio emission from the earlier activity.
description: 18 paged, 18 figures, accepted for publication on A&A
QUALITY ADJUSTED PRICE INDICES FOR DOUGLAS-FIR TIMBER
Creators: name: Brannman, Lance
name: Buongiorno, Joseph
name: Fight, Roger
name: Brannman, Lance
name: Buongiorno, Joseph
name: Fight, Roger
Publisher: name: Unknown
Year: 1981
Subjects: Demand and Price Analysis

description: The purpose of this paper is to determine if there have been systematic changes in the characteristics of Douglas-fir stumpage sold on National Forests in the Pacific Northwest that would significantly bias the price of stumpage. Four hedonic methods were used to develop indices of pure price change holding stumpage characteristics constant. None indicated a significant trend in quality over the period 1968 to 1978. Quality differences, however, appeared to play a role in the year-to-year price changes. The advantage and inconveniences of each indexing method and their use for various purposes are discussed.
Belonging, conformity and social status in early adolescence
Creators: name: Grinman, Mariana
Publisher: name: University of British Columbia
Year: 2009

description: As social beings, humans share a fundamental need to belong (Maslow, 1970; Baumeister & Leary, 1995); a question that arises is how does this need affect social behaviour? This study examined whether peer-rated acceptance and feelings of belonging were associated with one's willingness to conform to antisocial and neutral peer activities. In a single group-testing session, students in grades 5-7 (172 girls, 180 boys) provided background information, and completed sociometric measures of peer acceptance as well as self-report measures of belonging and peer conformity. Results indicated significant ethnic differences in both early adolescents' sense of belonging and in their willingness to accede to peer pressures that called for antisocial (but not neutral) behaviour. Asian and Indo-Canadian students reported less willingness to acquiesce to antisocial activities than Caucasian students. A significant relationship was also found between grade and conformity to antisocial activities, with older students reporting a greater willingness to conform than younger participants. Consistent with previous research (Connor, 2001; Hayden, 1989), more accepted early adolescents reported significantly greater feelings of belonging than their less accepted peers. There was also a significant but moderate relationship between neutral and antisocial forms of conformity - participants who were more willing to conform to pressures for neutral behaviours were also more willing to acquiesce to pressures for antisocial behaviour. Contrary to hypotheses, no significant relations were observed between acceptance and conformity to antisocial or neutral peer pressures. For males, there was no significant relationship between belonging and conformity to antisocial or neutral pressures. However, females' sense of belonging predicted some of the variance in their willingness to follow peers in neutral but not antisocial types of activities. Female participants who reported a greater sense of belonging were more willing to follow peers in neutral activities.
D-brane dynamics near compactified NS5-branes
Creators: name: Thomas, Steven
name: Ward, John
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We examine the dynamics of a $Dp$-brane in the background of $k$ coincident, parallel $NS$5-branes which have had one of their common transverse directions compactified. We find that for small energy, bound orbits can exist at sufficiently large distances where there will be no stringy effects. The orbits are dependent upon the energy density, angular momentum and electric field. The analysis breaks down at radial distances comparable with the compactification radius and we must resort to using a modified form of the harmonic function in this region.
description: Latex, 20 pages, 6 figs, references added
Structural Transformation, Agriculture, Climate, and the Environment
Creators: name: Barrett, Christopher B.
name: Ortiz-Bobea, Ariel
name: Phan, Trinh
name: Barrett, Christopher B.
name: Ortiz-Bobea, Ariel
name: Phan, Trinh
Publisher: name: Unknown
Year: 2021
Subjects: subject: Agricultural and Food Policy
subject: Agricultural Finance
subject: Farm Management
subject: economic development
subject: structural transformation
subject: agriculture
subject: climate
subject: environment
subject: feedbacks

description: This paper reviews the feedbacks between structural transformation and agriculture, on the one hand, and climate and the natural environment, on the other. The longstanding, dominant economic development narrative largely ignores nature’s influence on factor productivity and stocks, even as it increasingly illustrates how agricultural technological change and economic growth affect nature. We articulate some of the missing linkages and pose a range of policy research questions worth exploration concerning structural transformation and the complex feedback among agriculture, nature, and economic growth processes, especially in the low-income agrarian nations of the Global South.
Additional file 1 of The efficacy and safety of intrathecal dexmedetomidine for parturients undergoing cesarean section: a double-blind randomized controlled trial
Creators: name: Li, Xiao-Xiao
name: Li, Yu-Mei
name: Lv, Xue-Li
name: Wang, Xing-He
name: Liu, Su
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Cell Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1:. Table S1 Block characteristics.