نتایج جستجو برای: cubic equation of state

تعداد نتایج: 21237054  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده مدیریت و اقتصاد 1391

abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...

2008
Heejeong Koh DongSeung Kang DONGSEUNG KANG

In this paper, we obtain the general solution of a generalized cubic functional equation, the Hyers-Ulam-Rassias stability, and the stability by using the alternative fixed point for a generalized cubic functional equation

Journal: :iranian journal of mathematical chemistry 0
m. torabi rad university of qom, qom, iran a. abbasi university of qom, qom, iran

le chatelier's principle is used as a very simple way to predict the effect of a change in conditions on a chemical equilibrium. . however, several studies have reported the violation of this principle, still there is no reported simple mathematical equation to express the exact condition of violation in the gas phase reactions. in this article, we derived a simple equation for the violati...

Journal: :physical chemistry and electrochemistry 0

thermophysical properties of fluorine are interesting because of its applications in different areas of technologyand industry. the computations of thermodynamic properties were performed with the gma equation of stateunder critical conditions. the present work reports calculations of density, volumetric, and thermodynamicproperties of liquid fluorine on extended ranges of pressure and temperat...

2003
Huitian Jiang Ravindra Pandey Clovis Darrigan Michel Rérat

We present the results of a first-principles study on BaF2 in its stable (cubic) and high-pressure phases. A linear combination of atomic orbitals approach in the framework of density functional theory is employed for total energy calculations in cubic, orthorhombic and hexagonal phases of BaF2. A fitting of the energy surface to the equation of state yields the lattice constant and the bulk mo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ایلام 1388

the present study was an attempt to determine the types of motivation and levels of foreign language learning anxiety among efl students studying at azad and state universities in kermanshah and to determine the relationship between these two factors and language proficiency and gender. to this end, the foreign language learning motivation scale, by deci and ryan )1985(, were administered to 12...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان یزد - دانشکده علوم پایه 1390

موضوع مطالعه خواص ترمودینامیکی آلکان ها و مخلوط های آن ها به دلیل اهمیتی که در صنایع نفت و پتروشیمی دارند، اهمیت زیادی دارند. بهره گیری از روش های تجربی برای این منظور مستلزم صرف هزینه های زیاد است، به ویژه وقتی این مطالعات در فشار، چگالی و یا دمای بالا باشد. معادلات حالت ابزاری جهت تخمین خواص ترمودینامیکی گازها، جامدات و مایعات بوده و با به کارگیری آن ها می توان خواص pvt وvle را پیش بینی نمود....

Journal: :روش های عددی در مهندسی (استقلال) 0
سیامک حسین پور و محمد فرشچی s. hossain-pour and m. farschi

an optical system has been redesigned and used to measure detonation velocity as a function of condensed explosive density for rdx, hmx, petn. these measurements are then used to determine and fine tune parameters appearing in the bkw (beker-kistiakowsky-wilson) equation of state for gases at extremely high pressures. steady state form of conservation equations along with the bkw state equation...

Journal: :Calculus of Variations and Partial Differential Equations 2011

Journal: :Abstract and Applied Analysis 2007

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