نتایج جستجو برای: scientific output
تعداد نتایج: 551309 فیلتر نتایج به سال:
اغلب پروسس هایی که در صنایع و به خصوص صنایع شیمیایی وجود دارند ورودی و خروجی های متعددی دارند. کنترل این پروسس ها که به نام : mimo (multiple input-multiple - output) معروفند، به سادگی کنترل سیستم های تک ورودی و تک خروجی : siso (single input single output) نمی باشد. زیرا سیستم های mimo تداخلی بوده و استفاده از حلقه های متعدد به فرم معمول در اغلب موارد پاسخ های مناسبی بوجود نخواهد آورد. به همین د...
Regarding to Dr. Richard Stone’s report entitled “Iran, a shady market for papers flourishes” published in Science 15th September 2016. There are several points in the articles that require particular attention. The report, although presents some truth, lacks depth and balance on a problem that is not unique to Iran. To begin to understand this, perhaps one needs to remi...
Background: Data Envelopment Analysis (DEA) is a mathematical model that evaluates the relative efficiency of Decision Making Units (DMUs) with multiple input and output. The purpose of this paper was systematic study of applying this technique in Iranian hospitals. Materials and Methods: In this systematic review which was conducted in September 2015 and February2016, attempted to search th...
: Scientometric research with the ability to assess scientific research and using multiple indicators in explaining capacities, scientific performance and technology in different dimensions has increased the attention of researchers.This study aims to meta-analysis the Iranian researches in scientometrics from the perspective of uses of scientific databases as data sources in this research fiel...
When evaluating the publication performance of a scientist one has to consider not only difference in norms different scientific fields, but also length academic career investigated researcher. Here, our goal was establish database suitable as reference for ranking by normalizing researchers output those with same and active field. By using complete ...
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