نتایج جستجو برای: inadequate distribution of power

تعداد نتایج: 21241465  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...

Journal: :مدیریت فرهنگ سازمانی 0
جعفر ترک زاده دانشیار، دانشکدة علوم تربیتی، دانشگاه شیراز، ایران مهدی محمدی دانشیار، دانشکدة علوم تربیتی، دانشگاه شیراز، ایران الهه علاقه بند کارشناس ارشد مدیریت آموزشی، دانشکده علوم تربیتی، دانشگاه شیراز، ایران

the aim of this study was predict organizational citizenship behavior prevalence based on the staff perception of type of organizational structure in fars regional electric and power distribution companies (frepdc). statistical population consisted of the entire staff of fars regional electric and power distribution companies amongst 232 participants selected using random classification method....

Power transformers provide a vital link between the generation and distribution of produced energy. Such static equipment is subjected to abuse during operation in generation and distribution stations and leads to catastrophic failures. This paper reviewed the techniques in the field of condition monitoring of power transformers in recent years. Transformer monitoring and diagnosis are the effe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم و فنون مازندران 0

مدل روزنه های موازی موج دار (corrugated oarallel bundle model) برای تعریف اثر ساختمان روزنه ها در نفوذ-واکنش (diffusion and reaction) در کاتالیستهای متخلخل بکار می رود. در مدل روزنه های موج دار، از یک دسته روزنه های اصلی (pore) استفاده شده است . هر یک از این روزنه های اصلی دارای یکسری عناصر روزنه می باشد که هر عنصر دارای یک شعاع تعیین شده به صورت اتفاقی از یک توزیع اندازه روزنه ها (pore size di...

Journal: :وقایع علوم کاربردی ورزش 0
dibyojyoti bhattacharjee department of statistics, assam university, silchar, assam, india manish pandey department of statistics, faculty of guest, cachar college, silchar, assam, indiacs hemanta saikia department of social science, college of sericulture, assam agricultural university, jorhat, assam, india unni krishnan radhakrishnan texas cricket academy, texas, usa

this study attempts to find if better performance in power play leads a team to victory in a twenty20 match. based on the methodology devised to do so, the study tries to measure the performance of both the teams during power play overs in terms of batting and bowling. the developed measure is called ‘prod’ which is a product of the difference of batting and bowling performance of the teams dur...

2017
Juntao Li Yu Huang

In virtue of the sharp increasing scale of distribution network and remarkable improvement of network complexity of power system, it is more challenging to monitor the actual running situation of the power network and to diagnose fault. To add insult to injury, man-made operation mistakes and inadequate situational awareness push the power system into a tight corner. This research presents a ne...

Journal: :مهندسی بیوسیستم ایران 0
حامد توکلی دکتری، دانشگاه تهران سید سعید محتسبی استاد، دانشگاه تهران علی جعفری دانشیار، دانشگاه تهران

a prototype of a straw chopper, equipped with a discharge system was designed and fabricated in the department of mechanics of agricultural machinery, university of tehran, karaj, iran. to test for the effective performance of the machine, the effects of such parameters as: drum speed (at three levels of: 400, 540, and 800 rpm), screen size (at two levels: 2.5 and 4 cm), and number of blades on...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...

Journal: :international journal of environmental research 2011
p. nassiri m.r. monazzam m. yunesian m.h. sowlat m.h. safari

the ever increasing rate of power consumption has led to an increase in public exposure to extremely low frequency magnetic fields (elf-mfs) and brought severe concerns about their health effects. considering previous studies and the facts about potential health effects of these fields, the present study aimed to evaluate the elf-mf flux densities from power distribution lines near hospitals i...

Journal: :journal of crop protection 2014
seyed ali asghar fathi nakisa bakhshizadeh

in this study, the spatial distribution of overwintered adults of sunn pest, eurygaster integriceps puton, was investigated by using dispersion parameters and indices, mathematical distribution, and regression techniques in rainfed wheat fields by sample size of 1 m2 in 2009 and 2010. the dispersion parameters including: mean-variance test and clumping parameter () showed that the overwintered ...

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