نتایج جستجو برای: prassi system

تعداد نتایج: 2231111  

Journal: :physiology and pharmacology 0
masoud fereidoni dept. of biology, faculty of sciences leila etemadi dept. of biology, faculty of sciences

introduction: feverfew (tanacetum parthenium) (t.p.) is widely used in folk medicine to treat many diseases. we reported the analgesic effect of t.p. flower and leaf previously. present study is designed to find the mechanism underlying the anti-nociceptive effect of the aqueous extract of t.p. flower. method: based on our previous study, the dose 50 mg/kg i.p. of the t.p. aqueous extract had a...

The main rock mass classification systems make use of similar rock mass parameters. Due to lack of comprehensive estimation systems, determining the real specifications of jointed rocks faces some difficulties. A vast number of parameters with various degrees of impact are involved in such definitions. Combination impact of all the effective parameters is to be figured out in order to come up w...

Journal: :international journal of management and business research 2011
mahdi alvani golam reza memarzadeh mohammad ali afshar fahimeh aghajani

the long term goal attaining of economic system management requires the establishment of a dynamic framework to integrate multiple perspectives. this article considers the problem of economic development in macro level. as economic systems are complex adaptive systems composed of numerous numbers of components of dynamic and multidimensional nature, dynamics method is applied in this research. ...

Journal: :iranian journal of fuzzy systems 2005
saeid abbasbandy magid alavi

in this paper we present a method for solving fuzzy linear systemsby two crisp linear systems. also necessary and sufficient conditions for existenceof solution are given. some numerical examples illustrate the efficiencyof the method.

Journal: :تحقیقات فرهنگی ایران 0
سیدمهدی اعتمادی فرد استادیار جامعه شناسی دانشگاه تهران

social system based on mutual trust among members continues to exist. social trust in modem era is more important than earlier periods. subject of current report is focused on the trust of iranian students in different aspects. main question in this investigation is about social-political trust of these students (based on trust in islamic republic of iran) at the past and present. this matter e...

Journal: :medical journal of islamic republic of iran 0
mohammad sadegh ghasemi department of ergonomics, school of health, iran university of medical sciences, tehran, iran. jalil koohpayehzadeh occupational medicine research center (omrc), iran university of medical sciences, tehran, iran. hamidreza kadkhodaei occupational medicine research center (omrc), iran university of medical sciences, tehran, iran. ali asghar ehsani co-member of occupational medicine research center, iran university of medical sciences, tehran, iran.

background: according to clinical observations, foot hyperpronation is very prevalent and may cause malalignment of the lower extremity, leading to structural and functional deficits in standing and walking. this study aimed at investigating the effect of foot hyperpronation on spine alignment in the standing position.   methods: thirty-five healthy males with an age range of 18-30 years partic...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران - دانشکده علوم اداری و مدیریت بازرگانی 1380

موضوع مورد تحقیق نظریه عمومی سیستم ها و طرح سیستم کنترل دستگاههای زیروگرافی میباشد. موضوع مورد بحث از دو بخش تشکیل یافته است: نظریه عمومی سیستمها و سپس طرح یک سیستم کنترل. بطور کلی هدف تحقیق در این رساله جنبه های مشخص و متاثر از همی را دربرمیگیرد: الف-جنبه عمومی هدف این جنبه مشتمل است بر تعمق و کاوش در دیدگاهها و نظریه های سیستمی، درک سازمانها بعنوان یک سیستم و آگاهی یافتن بر اهداف تئوری عمومی ...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان مرکزی 1382

چکیده ندارد.

Journal: :iranian journal of fuzzy systems 2011
jinliang liu zhou gu hua han songlin hu

a memory control for t-s fuzzy discrete-time systems with sto- chastic input delay is proposed in this paper. dierent from the common assumptions on the time delay in the existing literatures, it is assumed in this paper that the delays vary randomly and satisfy some probabilistic dis- tribution. a new state space model of the discrete-time t-s fuzzy system is derived by introducing some stocha...

Journal: :polyolefins journal 0
sara shahbazi department of medical engineering, amirkabir university of technology, tehran, iran yaser jafari department of analytical chemistry, faculty of chemistry, university of kashan, kashan, iran fathollah moztarzadeh department of medical engineering, amirkabir university of technology, tehran, iran gity mir mohamad sadeghi department of polymer engineering and color technology, amirkabir university of technology, p.o. box: 15875-4413, tehran, iran

poly (propylene fumarate) (ppf), a linear unsaturated polyester consisting of alternating propylene glycol and fumaric acid units, can be cured in vivo to fill the skeletal defects with minimal surgical intervention. many different methods have been reported for synthesizing ppf, but none of them gives a clear method. the present paper introduces two new methods in ppf synthesis: modified reflu...

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