نتایج جستجو برای: Power function

تعداد نتایج: 1650373  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

phatic communion is a cultural concept which differs across cultures. according to hofstede (2001), the u.s. tends to have individualistic culture; however, asian countries tend to have collectivistic cultures. these cultures view phatic communion differently. in individualistic cultures like u.s., phatic communion reflects speakers’ socio-cultural relationships in conversations. to see whether...

Journal: :asian journal of sports medicine 0
morteza taheri imam khomeini international university, qazvin, iran; : faculty of social science, imam khomeini international university, qazvin, iran. elaheh arabameri tehran university, tehran, iran

purpose the aim of this study was to determine the effect of one night's sleep deprivation on anaerobic performance and reaction time of subjects in the morning of the following day. methods eighteen male college student athletes were studied twice in a balanced, randomized design. subjects were measured for peak power, mean power and reaction time. results the performance showed no significant...

Journal: :نظریه تقریب و کاربرد های آن 0
م. ن. هوشمند دانشگاه آزاد واحد شیراز

in [1] we uniquely introduced ultra exponential functions (uxpa) and de nednext step of the serial binary operations: addition, multiplication and power.also, we exhibited the topic of limit summability of real functions in [2,3]. inthis paper, we study limit summability of the ultra exponential functions andprove some of their properties. finally, we pose an unsolved problem aboutthem.

Journal: :مهندسی برق و الکترونیک ایران 0
behrooz zaker mohammad mohammadi

this paper presents a probabilistic optimal power flow (popf) algorithm considering different uncertainties in a smart grid. different uncertainties such as variation of nodal load, change in system configuration, measuring errors, forecasting errors, and etc. can be considered in the proposed algorithm. by increasing the penetration of the renewable energies in power systems, it is more essent...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...

Journal: :international journal of electrical and electronics engineering 0
a. naderii h. ghasemzadehii a. pourazar m. aliasgharyii

in this paper, a new structure possessing the advantages of low-power consumption, less hardware and high-speed is proposed for fuzzy controller. the maximum output delay for general fuzzy logic controllers (flc) is about 86 ns corresponding to 11.63 mflips (fuzzy logic inference per second) while this amount of the delay in the designed fuzzy controller becomes 52ns that corresponds to 19.23 m...

Journal: :سیاست 0
احمد نقیب زاده استاد گروه علوم سیاسی دانشکده حقوق و علوم سیاسی دانشگاه تهران مجید استوار استادیار گروه علوم سیاسی دانشگاه آزاد اسلامی واحد رشت

we need sociology theories, for that understand of sociology and politic problems. french sociologist pierre bourdieu's theory practice and symbolic power are our best resource; for understanding social and political fields. this article reviews the language and symbolic power; indicating its function in social and political fields. we need sociology theories, for that understand of sociol...

Journal: :journal of computational applied mechanics 0
seyed erfan hosseinidoost center of excellence in design and optimization of energy systems, school of mechanical engineering, college of engineering, university of tehran, tehran, iran amirmohammad sattari center of excellence in design and optimization of energy systems, school of mechanical engineering, college of engineering, university of tehran, tehran, iran mohammadreza eskandari center of excellence in design and optimization of energy systems, school of mechanical engineering, college of engineering, university of tehran, tehran, iran dara vahidi school of mechanical engineering, école polytechnique fédérale de lausanne (epfl) pedram hanafizadeh center of excellence in design and optimization of energy systems, school of mechanical engineering, college of engineering, university of tehran, tehran, iran pouria ahmadi fuel cell research lab (fcrel), mechatronic system engineering, simon fraser university, vancouver, canada

in this paper, the 10-minutes period measured wind speed data at different heights (10 m, 30 m, and 40 m) are presented for khvaf, which is one of the major counties with high wind potential in khorasan provinces in iran. to the author’s knowledge, there hasn’t been any assessment works in the mentioned site. from the primary evaluation and by determining mean wind speed and also the weibull fu...

Journal: :international journal of smart electrical engineering 2012
ehsan sadeghian ramtin sadeghi

optimal capacitor placement, considering power system loss reduction, voltage profile improvement, line reactive power decrease and power factor correction, is of particular importance in power system planning and control. the distribution system operator calculates the optimal place, number and capacity of capacitors based on two major purposes: active power loss reduction and return on invest...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه 1377

the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...

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