نتایج جستجو برای: guttman scaling
تعداد نتایج: 75767 فیلتر نتایج به سال:
In this work, we proposed an effective method based on cubic and pantic B-spline scaling functions to solve partial differential equations of fractional order. Our method is based on dual functions of B-spline scaling functions. We derived the operational matrix of fractional integration of cubic and pantic B-spline scaling functions and used them to transform the mentioned equations to a syste...
We consider a p-dimensional, centered normal population such that all variables have positive variance σ2 and any correlation coefficient between different is given nonnegative constant ρ < 1. Suppose both the sample size n dimension p tend to infinity with p/n → c > 0. prove limiting spectral distribution of matrix Marcenko-Pastur index scale parameter 1 − ρ. By distributions, we rigorou...
Farmers need accurate and timely information to increase crop production productivity. However, market price fluctuations extension approach changes inspired the farmers opt for private agricultural systems. The decision adopt or reject an innovation depends on farmer's attitude toward innovation. Thus, present study was undertaken assess unidimensional nature of scale through scalogram techniq...
introduction: the aim of this study was to evaluate the influence of different levels of external irrigation during irradiation with an erbium, chromium: yttrium-scandium-gallium-garnet (er,cr:ysgg) laser on the roughness and wear of dental tissue during scaling procedures. methods: twenty-five uniradicular bovine teeth had the proximal surfaces planed and divided into 3 regions: upper, middle ...
Guttman presented a model-theoretic approach to establishing security goals in the context of Strand Space theory. In his approach, a run of the Cryptographic Protocol Shapes Analyzer (cpsa) produces models that determine if a goal is satisfied. This paper presents a method for extracting a sentence that completely characterizes a run of cpsa. Logical deduction can then be used to determine if ...
Southeast Asia’s complex geological history and highly variable geography and ecology provide an ideal template for testing the effects of geographical change on phylogenetic processes (Brown & Guttman, 2002; Evans et al., 2003; Jansa et al., 2006; Esselstyn et al., 2009). More specifically, the Philippine archipelago, spanning components of the Sundaland–Eurasian and Biodiversity Institute and...
Running Title: Structural Dynamics and gp120 Antigenicity 7 8 Thaddeus M. Davenport, Miklos Guttman, Wenjin Guo, Brad Cleveland, Maria Kahn, 9 Shiu-Lok Hu, Kelly K. Lee # 10 11 12 1 Department of Global Health, 2 Department of Medicinal Chemistry, 3 Department of 13 Pharmaceutics, University of Washington, Seattle, Washington, 98195, USA 14 4 Current Address: PATH, Seattle, Washington, 98121, U...
چکیده : یکی از راههای بررسی واکنش های نابودی زوج ذرات ، استفاده از مدل ها ی شبیه سازی شده این رویداد ها است. در این پایان نامه از دو دسته داده برای بررسی واکنش نابودی e^+ e^- استفاده شده است ، که عبارتند از: 1) داده های حاصل از آشکارamy در شتاب دهندهtristan در انرژی مرکز جرم60 gev . 2) داده های شبیه سازی مونت کارلو حاصل از بر نامه pythia - برحسب الگوریتم آبشار پارتونی - در انرژی های مرکز جر...
measurement of soil saturated hydraulic conductivity, ks, is normally affected by flow patterns such as macro pore; however, most current techniques do not differentiate flow types, causing major problems in describing water and chemical flows within the soil matrix. this study compares eight models for scaling ks and predicted matrix and macro pore ks, using a database composed of 50 datasets...
various scaling methods such as relative viscosity, peclet and reynolds scaling were used to find the best scaling law. scaling and modeling of the flow curves of various model emulsions consist of tragacanth gum (tg) (0.5, 1 % wt), oleic acid (5, 10% v/v) and wpi (2, 4 % wt) were investigated and the best models were selected. as these emulsions are non-newtonian, they do not obey the usual, si...
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