نتایج جستجو برای: Simulation

تعداد نتایج: 558996  

Journal: :مهندسی بیوسیستم ایران 0
شاهین رفیعی تیمور توکلی هشجین محمدهادی خوش تقاضا

simulation of rough rice drying is one of the proper methods for predicting moisture distribution in the product, and throughout the process of drying. the drying process must be well understood and controlled so that design guidelines which reduce or minimize drying damage to rough rice can be established and improved. therefore, an accurate understanding and description of the drying mechanis...

Journal: :journal of physical & theoretical chemistry 2010
n. dalili mansour k. zare g. ghasemi

serum albumin is the most abundant protein in blood plasma. its two major roles are maintaining osmoticpressure and depositing and transporting compounds. in this paper albumin-ethanol/water solutionssimulations are carried out by three techniques including monte carlo (mc), molecular dynamic (md) andlangevin dynamic (ld) simulations in aqueous solutions. investigation the energy changes with t...

Journal: :physical chemistry research 0
marjan farhangi department of chemistry, faculty of sciences, ferdowsi university of mashhad, mashhad, iran mohammed reza housaindokht department of chemistry, faculty of sciences, ferdowsi university of mashhad, mashhad, iran research and technology center of biomolecules, ferdowsi university of mashhad, mashhad, iran narges ashraf department of chemistry, faculty of sciences, ferdowsi university of mashhad, mashhad, iran hassan monhemi department of chemistry, faculty of sciences, ferdowsi university of mashhad, mashhad, iran zeinab rouhbakhsh zaeri department of chemistry, faculty of sciences, ferdowsi university of mashhad, mashhad, iran.

surfactant molecules are used as interesting tools to study the structure, function and stability of proteins. protonation states of amino acids may be changed in the presence of surfactants. in this work, using experimental observations and molecular dynamic simulation, the effects of sodium dodecyl sulfate on the acid dissociation constants of tryptophan was examined. the acid–base equilibriu...

Journal: :iranian endodontic journal 0
jamileh ghoddusi department of endodontics, dental research center, faculty of dentistry, mashad university of medical sciences, mashad, iran saeed asgary department of endodontics, iranian center for endodontic research, dental research center, shahid beheshti university of medical sciences, tehran, iran masoud parirokh department of endodontics, dental research center, faculty of dentistry, kerman university of medical sciences, kerman, iran mohammad jafar eghbal department of endodontics, iranian center for endodontic research, dental research center, shahid beheshti university of medical sciences, tehran, iran mahdi vatanpour department of endodontics, faculty of dentistry, azad university of medical sciences, tehran, iran fatemeh shahrami department of endodontics, faculty of dentistry, mashad university of medical sciences, mashad, iran

introduction: the aim of this innovative study was to regenerate a condition that makes it possible to carry out researches in the field on a variety of resorption. materials and methods: in order to develop apical resorption, the root canals of selected teeth were instrumented and then drilled with #4 gates glidden drills. in the next stage, the teeth were submerged in melted rose wax up to 3 ...

Journal: :international journal of environmental research 2013
r. rodríguez-gómez l. moreno l. liu

a model describing the main processes occurring in the uasb reactor was developed; in orderto maintain simplicity and applicability of the model, only the fundamental aspects were considered. in themodel, the reactor is divided in several well-stirred reactors coupled in series and it comprises substratedegradation, biomass growth and the reactions that take place within the granules. the impor...

Journal: :آب و خاک 0
تورج هنر علی ثابت سرورستانی علی اکبر کامگارحقیقی شیده شمس

abstract the propose of this study was evaluation of cropsyst model on growth simulation and yield stimation of canola under different irrigation treatments. canola (talaye) was sown under 5 treatment and 4 replicants in completed randomized block designs at the college of agriculture, shiraz universityduring 2007-2008. during the growth season dry mass and lai was meseaured frequently, then mo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

در حالت کلی معادلات حاکم بر یک مدل ریاضی از مخزن را نمی توان بوسیله روشهای تحلیلی حل کرد، در حالیکه یک مدل عددی می تواند بوسیله کامپیوتر جوابی تقریبی ارائه دهد. در این پایان نامه، یک دستگاه معادلات دیفرانسیل معمولی توسط گسسته-سازی معادله حاکم بر جریان شعاعی تک فازی نفت بسمت یک چاه (معادله چاه آزمایی) به دست آمده است. این سیستم شامل محاسبه تابع ماتریسی (exp(ka است که در آن k گام زمانی و a ماتریس...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده شیمی 1393

امروزه حذف ترکیبات آلی فرار با استفاده از فرایند اکسایش فوتوکاتالیزری به خاطر صرفه جوئی درانرژی گسترش یافته است. مکانیسم پیچیده فرایند اکسایش فوتوکاتالیزری نیاز به بررسی بیشتر این فرایند راایجاب میکند. لذا در این کار پژوهشی دو موضوع اصلی این تحقیق شامل توسعه مدل سینتیکی و مطالعه پدیدههای انتقال جرم موثر در فرایند، موردبررسی قرار گرفت. برای تعیین ضریب انتقال جرم نیاز به شبیهسازی کامپیوتری راکتو...

Journal: :sahand communications in mathematical analysis 2014
sinem tuğba şahin tekin vadoud najjari h. hasan örkcü

there are several theorical results about order statistics and copulas in the literature that have  been mentioned also by nelsen cite{p20}. the present study after reviewing some of these results, relies on  simulation technique to investigate the mentioned results about order statistics and copulas. the study concentrates on two well known archimedean gumbel and frank families in the case tha...

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