نتایج جستجو برای: dual model

تعداد نتایج: 2236913  

Journal: :iranian journal of oil & gas science and technology 2014
seyyed milad salehi mahmood reza rahimi

it seems using the maxwell-stefan (m-s) diffusion model in combination with the vacancy solutiontheory (vst) and the single-component adsorption data provides a superior, qualitative, andquantitative prediction of diffusion in zeolites. in the m-s formulation, thermodynamic factor (г) isan essential parameter which must be estimated by an adsorption isotherm. researchers usually utilizethe simp...

Journal: :bulletin of the iranian mathematical society 0
s. ebrahimi atani department of mathematics, university‎ ‎of guilan‎, ‎p.o. box 1914, rasht‎, ‎iran. m. khoramdel department of‎ ‎mathematics, university‎ ‎of guilan‎, ‎p.o. box 1914, rasht‎, ‎iran. s. dolati pish hesari department of mathematics, ‎university‎ ‎of guilan‎, ‎p.o. box 1914, rasht‎, ‎iran.

we introduce the notions of t-dual rickart and strongly t-dual rickart modules. we provide several characterizations and investigate properties of each of these concepts. it is shown that every free (resp. finitely generated free) $r$-module is t-dual rickart if and only if $overline{z}^2(r)$ is a  direct summand of $r$ and end$(overline{z}^2(r))$ is a semisimple (resp. regular) ring. it is sho...

A. Afshar, S.M. Miri Khombi,

Location and types of sensors may be integrated for simultaneous achievement of water security goals and other water utility objectives, such as regulatory monitoring requirements. Complying with the recent recommendations on dual benefits of sensors, this study addresses the optimal location of these types of sensors in a multipurpose approach. The study presents two mathematical models for ...

R. Khoshbakhti Saray, S.V. Pirouzpanah,

The dual fuel engines at part loads inevitably suffer from lower thermal efficiency and higher carbon monoxide and unburned fuel emission. This work is carried out to investigate combustion characteristics of a dual fuel (dieselgas) engine at part loads, using a single zone combustion model with detailed chemical kinetics for combustion of natural gas fuel. The authors developed software in ...

1993
Z. B. Li

A generalized gauge invariant Ising model on random surfaces with non-trivial topology is proposed and investigated with the dual transformation. It is proved that the model is self-dual in case of a self-dual lattice. In special cases the model reduces to the known solvable Ising-type models.

Journal: :Progress of Theoretical Physics 1972

Journal: :bulletin of the iranian mathematical society 2011
y. li sh. yang

Ferdos Taleb, Zahra Fotovatnia

The purpose of this study was to investigate the mental representation of cognate and noncognate translation pairs in languages with different scripts to test the prediction of dual lexicon model (Gollan, Forster, & Frost, 1997). Two groups of Persian-speaking English language learners were tested on cognate and noncognate translation pairs in Persian-English and English-Persian directions with...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1390

over the past decades a number of approaches have been applied for forecasting mortality. in 1992, a new method for long-run forecast of the level and age pattern of mortality was published by lee and carter. this method was welcomed by many authors so it was extended through a wider class of generalized, parametric and nonlinear model. this model represents one of the most influential recent d...

شاهرخ زندپارسا, , علیرضا سپاسخواه, , ابوالفضل مجنونی هریس, , علی اکبر کامگار حقیقی, ,

Optimal crop water requirement is needed for precise irrigation scheduling. Prediction of crop water requirements is a basic factor to achieve this goal. In this study, maize potential evapotranspiration (ETp) was prediced by maize simulation model (MSM). Then, it was evaluated and validated using experimental field data obtained in Agricultural Research Station of Shiraz University (Bajghah, F...

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