نتایج جستجو برای: evaluation of technical

تعداد نتایج: 21203513  

Journal: :چغندرقند 0
لادن شفیعی هیات علمی مرکز تحقیقات کشاورزی و منابع طبیعی کرمان

in order to study the effective factors in sugar beet production, evaluation of technical, allocative and economical efficiency of sugar beet producers in bardsir city, 150 sugar beet producers were questioned by classified method. data were collected through questionnaire forms filled by producers in 2004-05. the stochastic frontier production and cost function method were used to analyze the ...

Journal: :تحقیقات مهندسی کشاورزی 0
علی قدمی فیروزآبادی عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی همدان سیدمحسن سیدان عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی همدان فریبرز عباسی دانشیار مؤسسه تحقیقات فنی و مهندسی کشاورزی کرج

the scarcity of irrigation water and decrease of water resources are the most important limiting factors in crop production in countries such as iran. thus, studying the optimum use of water and increasing water use efficiency are essential to the agricultural sector. the use of a low pressure hydroflume has been suggested to replace traditional surface irrigation methods. the aim of this resea...

ژورنال: علوم آب و خاک 2003
محمدرضا علیرضایی, , ابراهیم صالحی, , محمدجواد منعم, ,

Recent studies have shown poor performance of irrigation systems, which indicates the requirement for special attention to performance improvement. The first step for improving the performance of irrigation systems is evaluation of the present situation. Performance evaluation methodologies presented so far are either qualitative such as DA (Diagnostic Analysis), RA (Rapid Appraisal) and FA (Fr...

Journal: :iranian endodontic journal 0
hamidreza yavari mohammad samiei shahriar shahi zahra borna amir ardalan abdollahi negar ghiasvand

introduction: the purpose of this study was to evaluate the radiographic quality of root canal fillings by fourth-, fifth-, and sixth-year undergraduate students at tabriz faculty of dentistry between 2006 and 2012. methods and materials: a total of 1183 root canal fillings in 620 teeth were evaluated by two investigators (and in case of disagreement by a third investigator) regarding the prese...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

the purpose of the present study was to investigate the effect of instruction through debate on male and female efl learners’ reading comprehension, to examine the differences between the performance of male and female participants on the five dimensions of cctst including analysis, evaluation, inference, deductive reasoning, and inductive reasoning, and to examine the differences between male ...

محمدرضا علیرضایی, , ابراهیم صالحی, , محمدجواد منعم, ,

Recent studies have shown poor performance of irrigation systems, which indicates the requirement for special attention to performance improvement. The first step for improving the performance of irrigation systems is evaluation of the present situation. Performance evaluation methodologies presented so far are either qualitative such as DA (Diagnostic Analysis), RA (Rapid Appraisal) and FA (Fr...

Journal: :journal of agricultural science and technology 2010
g. l. mugunieri s. w. omamo g. a. obare

results of an evaluation of the impact of agricultural science and technology (as and t) policy system institutions on efficiency and technical change in kenyan and ugandan agriculture are presented here. data envelopment analysis was used to derive efficiency and technical change and logistic regression applied to delineate as and t institutions that induced efficiency and technical progress. ...

According to competitive environments; demand for talents is rising, but most organizations are struggling to maintain Talents. In this regard, the system of Competency-based performance assessment in maintaining talent is a requirement. The purpose of this paper was to identify and rank the components of the evaluation of the performance of talents. This research was carried out at the Natio...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

شناسایی مخاطرات در واحد 400 پالایشگاه گاز پارسیان. در این پروزه با بکارگیری از تکنیک hazop به شناسا یی مخاطرات ، انحرافات ممکن و در صورت لزوم ارایه راهکارهای مناسب جهت افزایش ایمنی فرا یند پرداخته میگردد. شرایط عملیاتی مخاطره آمیز نظیر فشار و دمای بالا و وجود ترکیبات مختلف سمی و قابل انفجار در واحدهای پالایش گاز، ضرورت توجه به موارد ایمنی در این چنین واحدهایی را مشخص می سازد. مطالعه hazop یک ر...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان کرمان 1388

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