نتایج جستجو برای: Solution model

تعداد نتایج: 2467891  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2014
mohammad yazdizadeh hessamodin nourbakhsh mohammad reza jafari nasr

formation of asphaltene deposition during oil production, processing and synthesis is known as a fundamental problem of petroleum reservoir worldwide. asphaltene is a petroleum fraction that can lead to increasing the operating costs in these industries. variations in operational pressure, temperature and fluid composition are generally the significant cause of asphaltene precipitation. in this...

Journal: :jundishapur journal of health sciences 0
seyyed javad jaafari department of environmental health engineering, school of health, hamadan university of medical science, hamadan, ir iran reza shokouhi department of environmental health engineering, school of health, hamadan university of medical science, hamadan, ir iran edris hossein zadeh department of environmental health engineering, school of health, lorestan university of medical science,khorramabad, ir iran mahmoud taghavi department of environmental health engineering, mazandaran university of medical science, sari, ir iran rasoul arezoumandi department of environmental health engineering, school of health, hamadan university of medical science, hamadan, ir iran rasoul arezoumandi department of environmental health engineering, school of health, hamadan university of medical science, hamadan, ir iran

industrial wastewater included the dyes one of the important sources of environmental pollution that founded in loom wastewater which are harmful for human health and environment. therefore, the purpose of this research was investigated removal of rb5 dye from aqueous solution by using of adsorption onto activated red mud as an cheap adsorbent. this research was experimental- laboratorial study...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم پایه 1389

abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - دانشکده علوم پایه 1391

abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران 1381

‏‎the purpose of the present study was to investigate the latent pattern underlying reading ability . some 272 male and female participants. english majors at the ba level , participated in the study. two valid tests were used in this study, the reading test developed exclusively for the purpose of this project and academic reading section of ielts. to investigate the possible latent underlying...

Journal: :Calphad-computer Coupling of Phase Diagrams and Thermochemistry 2022

A resolution of the long-standing internal problems associated solution model is presented. consistent version theory constructed by imposing a set mandatory restrictions. The expressions for energy and entropy mixing are modified to ensure quasichemical level precision at high temperatures. Complete integration therefore achieved. ensures significant reduction in number empirical parameters us...

Journal: :Seibutsu Butsuri 2003

Journal: :SHS web of conferences 2022

This research aimed to describe the solution model for child marriage. took place in Malang Regency. The subjects this were married couples who at age of children, parents from woman’s side (wife), and community leaders. Research data obtained through observation in-depth interviews, then analyzed with interactive techniques. impact marriage that occured Regency caused family not function prope...

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