نتایج جستجو برای: research network

تعداد نتایج: 1977671  

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

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1392

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1382

‏‎the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...

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

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

Journal: :Action Research 2006

Journal: :فصلنامه دانش مدیریت (منتشر نمی شود) 0
دکتر علی نقی مصلح شیرازی احمد طالبی زاده

the main objective of this article is to present the result of a research on industrial distribution network in iran which for the first time is being carried out for the purpose of recognizing the industrial goods distribution network, estimation of the volume of transaction in each case, and to study the impact of certain elements. the factors and variables which their impact on the volume of...

Journal: :international journal of health policy and management 2014
ehsan mostafavi azam bazrafshan

background institut pasteur international network (ipin), which includes 32 research institutes around the world, is a network of research and expertise to fight against infectious diseases. a scientometric approach was applied to describe research and collaboration activities of ipin.   methods publications were identified using a manual search of ipin member addresses in science citation inde...

Journal: :journal of research in medical sciences 0
firoozeh zare-farashbandi ehsan geraei saba siamaki

background: co-authorship is one of the most tangible forms of research collaboration. a co-authorship network is a social network in which the authors through participation in one or more publication through an indirect path have linked to each other. the present research using the social network analysis studied co-authorship network of 681 articles published in journal of research in medical...

Background Institut Pasteur International Network (IPIN), which includes 32 research institutes around the world, is a network of research and expertise to fight against infectious diseases. A scientometric approach was applied to describe research and collaboration activities of IPIN.   Methods Publications were identified using a manual search of IPIN member addresses in Science Citation Inde...

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