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تعداد نتایج: 371519 فیلتر نتایج به سال:
We consider new high-order Alternating Direction Implicit (ADI) schemes for the numerical solution of initial-boundary value problems for convection-diffusion equations with cross derivative terms. Our approach is based on the unconditionally stable ADI scheme proposed by Hundsdorfer [12]. Different numerical discretizations which lead to schemes which are fourth-order accurate in space and sec...
BACKGROUND Depressive disorders are highly prevalent and of significant societal burden. In fall 2004, the 'Alberta Depression Initiative' (ADI) research program was formed with a mission to enhance the mental health of the Alberta population. A key expectation of the ADI is that research findings will be effectively translated to appropriate research users. To help ensure this, one of the init...
Arginine deiminase (ADI) catalyzes the hydrolytic conversion of L-arginine to ammonia and L-citrulline as part of the energy-producing L-arginine degradation pathway. The chemical mechanism for ADI catalysis involves initial formation and subsequent hydrolysis of a Cys-alkylthiouronium ion intermediate. The structure of the Pseudomonas aeruginosa ADI-(L-arginine) complex guided the design of ar...
در این پایان نامه به قیمت گذاری اختیار معامله در بازاری با دو دارایی بنیادین همراه ریسک و یک دارایی بنیادین بدون ریسک پرداخته می شود. بدین منظور از مدل بلک-شولز استفاده شده و فقط به بررسی اختیار معامله های از نوع اروپایی پرداخته که فقط در زمان سررسید قابل اجرا است. با بررسی اختیار معامله های اروپایی، برای یافتن قیمت کافی است که یک معادله با مشتقات جزئی که دو متغیر مکانی دارد حل شود. برای چ...
Introduction The electronics industry has always striven for the highest levels in quality and reliability. Anyone involved in the industry knows the pace with which the industry progresses and the methodologies the industry uses to guarantee high levels of quality and reliability. Over the last two decades the emphasis has shifted from end-of-line statistically-based stress testing to more pro...
Abstract: Ball mills are used in the last stage of ore processing for grinding raw materials. Forged 70Cr2 alloy steel and Austempered Ductile Iron (ADI) balls are materials from which grinding balls are made for Sarcheshmeh Copper Plant (SCP) ball mills. In the present study wear and impact properties of these two kinds of balls have been investigated. Some balls randomly were selected as ...
S U M M A R Y The stationary Reynolds equation is solved over a rectangular region. The problem is linearized by Picard linearization. The ADI method is used to solve the resulting set of linear equations. A set of parameters is introduced to speed up convergence as well for the Picard linearization as for the ADI method. A comparison is made with Booy-Coleman's method. Results are given for be...
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