نتایج جستجو برای: روش powell
تعداد نتایج: 371996 فیلتر نتایج به سال:
We present well-balanced high-resolution finite volume schemes for simulating waves in the outer solar atmosphere. The schemes approximate the stratified MHD equations with an upwind discretization of the Godunov-Powell source term and a locally hydrostatic pressure reconstruction that preserves discrete steady states. The paper summarizes recent articles [4, 5, 6].
1. Department of Radio Diagnosis, Era’s Lucknow Medical College, Lucknow, India. Address to: Dr. Umesh Chandra Parashari. Dept of Radio Diagnosis/Era’s Lucknow Medical College. Hardoi Road, Sarfarazganj, 226003 Lucknow, India. Phone: 91 522 240-8122; 91 522 240-8123; Fax 91 522 240-7824 e-mail: [email protected] Received in 22/09/2011 Accepted in 08/12/2011 Images in Infectious Diseases/Imag...
In this paper we address the problem of constructing quasi-interpolants in the space of quadratic Powell-Sabin splines on nonuniform triangulations. Quasi-interpolants of optimal approximation order are proposed and numerical tests are presented.
هدف: پژوهش حاضر با هدف تحلیل و بررسی پیامدهای شبکهسازی سیاسی در نظام سیاستگذاری سازمانهای دولتی استان لرستان انجام پذیرفت.طراحی/ روششناسی/ رویکرد : دارای رویکردی آمیخته است که از نظر هدف، کاربردی حیث ماهیت روش، توصیفی پیمایشی است. مشارکتکنندگان را مدیران تشکیل میدهند استفاده اصل کفایت نظری روش نمونهگیری هدفمند 16 نفر آنان به عنوان اعضای نمونه انتخاب شدند. بخش کیفی برای گردآوری داده مص...
In a recent paper, the authors have proved results characterizing convexity-preserving maps deened on a subset of a not-necessarily nite dimensional real vector space as projective maps. The purpose of this note is threefold. First, we state a theorem characterizing continuous, injective, convexity-preserving maps from a relatively open, connected subset of an aane subspace of R m into R n as p...
This paper provides a model of in which doctors have two dimensions of skill: diagnostic skill and skill in performing procedures. Unlike higher procedural skill, which leads to higher use of surgical procedures across the board, better diagnostic skill results in fewer procedures for the low risk, but more procedures for the high risk. That is, better diagnostic skill improves the matching bet...
هدف: هدف پژوهش حاضر، ساخت و اعتبارسنجی سیاهه آسیبشناسی روانشناختی نوجوانان در فضای مجازی بود. روش: روش آمیخته اکتشافی (کیفی-کمی) بدین منظور با استفاده از تحلیل مضمون مقالات مصاحبههای انجامشده متخصصان فعال مجازی، آسیب ها شناسایی شدند بر اساس آن ای ساخته شد. جامعه آماری بخش کیفی شامل مقالات، اساتید دانشگاه های اراک، اصفهان، امام خمینی قزوین شهر اراک بودند که نمونه هدفمند آنها انتخاب کمی بو...
If one is known by the company that one keeps, Justice Powell no doubt wished for far better company for one of his final decisions, McCleskey v. Kemp. After the opinion’s release, legal and lay commentators quickly compared McCleskey to infamous decisions like Dred Scott, Korematsu, and Plessy. And a quarter of a century later, McCleskey has become firmly entrenched as a resident in the exclus...
This article examines the effects of homogeneous-heterogeneous reactions and Newtonian heating in magnetohydrodynamic (MHD) flow of Powell-Eyring fluid by a stretching cylinder. The nonlinear partial differential equations of momentum, energy and concentration are reduced to the nonlinear ordinary differential equations. Convergent solutions of momentum, energy and reaction equations are develo...
Mesoscale air quality under stagnant synoptic cold season conditions in the Lake Powell area is characterized through climatological, topographical and numerical studies. Using a synoptic climatological classification scheme, it is found that during the winter this region is dominated by stagnant conditions associated with slow-moving high pressure systems. Using topographic analyses, the Lake ...
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