نتایج جستجو برای: failure of management system

تعداد نتایج: 21440085  

Journal: :international journal of industrial engineering and productional research- 0
s. g. jalali naini m. b. aryanezhad a. jabbarzadeh h. babaei

this paper studies a maintenance policy for a system composed of two components, which are subject to continuous deterioration and consequently stochastic failure. the failure of each component results in the failure of the system. the components are inspected periodically and their deterioration degrees are monitored. the components can be maintained using different maintenance actions (repair...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده ادبیات و زبانهای خارجی 1392

abstract i the purpose of this study was to launch a thorough investigation concerning the possibility of differing orientations to the writing proficiency construct by native and non-native english speaking teacher raters. it mainly revolved around the international english language testing system (ielts) that is widely administered and employed as a measure of general proficiency in englis...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم پایه 1393

در این پایان نامه مجموعه ‎-w‎حدی برای مجموعه های ژولیا دندریت‎ ‎‎نگاشت های درجه دوم توصیف می شود. ‏با استفاده از نمایش نمادین بالدوین این فضاها، به عنوان فضای راه نامه غیرهاسدورف‏، نشان داده می شود که نگاشت های درجه دوم با مجموعه ژولیا دندریت دارای خاصیت تعقیب هستند و همچنین ثابت می شود که برای همه چنین نگاشت هایی، یک مجموعه بسته‏ ی ناوردا‏، مجموعه ‎-w‎حدی یک نقطه است اگر و تنها اگر به طور درون...

In power systems, a connected topology is created to increase reliability and economic performance. Increasing dimensions of power systems on the one hand and the need to continuously monitor power systems for secure operation on the other challenge the evaluation of power system security. In such conditions, due to economic conditions and considering the fast growth of consumers in a power sys...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
فرحناز رستمی عضو هیئت علمی گروه ترویج و توسعة روستایی، دانشگاه رازی کرمانشاه محمد ادریس اله ویسی دانشجوی کارشناسی ارشد توسعة روستایی، دانشگاه رازی کرمانشاه بیان ریحانی فر دانشجوی کارشناسی ترویج و آموزش کشاورزی، دانشگاه رازی کرمانشاه

understanding various aspects of the problems, challenges and constraints of agricultural activities such as mushroom ventures and trying to plan and policy for solving problems are suitable strategies for developing agri– businesses. the purpose of this qualitative study was to explain the challenges and constraints of developing mushroom venturesin kermanshah province. information were collec...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1393

nowadays, technical terminology translation plays an important role in human life. specific groups of people all over the world refer to learn these terminologies in order to be familiar with a subject and improve their knowledge in that domain. on the other hand, saving the technical translation equivalent is a particularly salient challenge for technical translators. the present study was con...

ژورنال: سلامت کار ایران 2016
خسروی راد, فاطمه, زارعی, اسماعیل, شجاع, اسماعیل, مجیدی داریانی, محسن, محمدفام, ایرج,

Background and aims: Attention to safety of process plants adjacent residential area, especially in the big cities is extremely importance from the perspective of the safety engineering and risk management. This study was carried out whit the aims of identification of hazard points of explosion in Town Border Station (TBS) and qualitative and quantitative analysis of their occurrence causes and...

Traffic congestion worldwide has led to loss of human lives due to failure in transporting accident victims, critical patients, medical equipment and medicines on time. With the unending growth in vehicular traffic everywhere, Internet of Things (IOT) and Vehicular Ad Hoc Network (VANET) have embarked as a promising platform for an Intelligent Traffic Management System (ITMS). Many researches h...

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