نتایج جستجو برای: the difference between canopy temperature and air temperature t

تعداد نتایج: 21345075  

Journal: :مدیریت آب و آبیاری 0
الهام شفیعیون دانشجوی سابق کارشناس ارشد گروه مهندسی آب، دانشکدة کشاورزی، دانشگاه صنعتی اصفهان، اصفهان – ایران مهدی قیصری استادیار گروه مهندسی آب، دانشکدة کشاورزی، دانشگاه صنعتی اصفهان، اصفهان – ایران محمد مهدی مجیدی دانشیار گروه اصلاح نباتات، دانشکدة کشاورزی، دانشگاه صنعتی اصفهان، اصفهان – ایران جهانگیر عابدی کوپایی استاد گروه مهندسی آب، دانشکدة کشاورزی، دانشگاه صنعتی اصفهان، اصفهان – ایران سید فرهاد موسوی استاد بازنشستة گروه مهندسی آب، دانشکدة کشاورزی، دانشگاه صنعتی اصفهان، اصفهان – ایران سعید اسلامیان دانشگاه صنعتی اصفهان – دانشکده کشاورزی – گروه مهندسی آب- دانشیار

vegetation cover on a variety of different land uses in different parts of a city creates different forms of heat flow that this, in turn, generates the main framework of urban microclimate. the objective of this study is to survey the effect of land cover type on air temperature in the isfahan city. to do this, five regions in the isfahan city with different land cover type were selected. in e...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده زبانهای خارجی 1389

abstract this study examines the effect of teaching lexical inferencing strategies on developing reading comprehension skill of iranian advanced efl learners. participants were female students of meraj and shokouh institudes of garmsar a quasi-experimental design using two intact advanced classes of efl students at meraj and shokouh institutes. as the first step, a general toefl proficiency te...

Journal: :مهندسی بیوسیستم ایران 0
پدرام شعاع دانشجوی کارشناسی ارشد گروه مهندسی مکانیک ماشین‏های کشاورزی، دانشکدۀ کشاورزی، دانشگاه صنعتی اصفهان عباس همت استاد گروه مهندسی مکانیک ماشین‏های کشاورزی، دانشکدۀ کشاورزی، دانشگاه صنعتی اصفهان رسول امیرفتاحی دانشیار دانشکدۀ مهندسی برق و کامپیوتر، دانشگاه صنعتی اصفهان مهدی قیصری استادیار گروه مهندسی آب، دانشکدۀ کشاورزی، دانشگاه صنعتی اصفهان

in order to decrease water consumption in agricultural sector, deficit irrigation has been suggested. for preventing a heavy loss in crop yield, management of water stress is essential. common methods for measuring plant water stress such as stomatal conductance are time-consuming and require specialized labor and a large number of measurement. temperature of leaf or canopy surface can be an in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

the construct of self-efficacy has received increasing attention in research over the past two decades. many studies have been carried out 1.3 significance of the study this study has pedagogical implications since improving students’ self- efficacy and autonomy is important for promoting actual performance on classroom academic tasks. in academic settings, it has been shown that self-effi...

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

this study investigated (a) the learners’ existing reading strategy repertoire, (b) the effect of instruction in reading strategies on learners’ strategic performance, and (c) the effect of explicit instruction in top-down reading strategies on reading comprehension ability of intermediate learners. the study was conducted with 40 intermediate efl learners in two groups of experimental and cont...

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

126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام رضا علیه السلام - دانشکده ادبیات و زبانهای خارجی 1391

translation studies have become an accepted academic subject and books, journals and doctoral dissertations appear faster than one can read them all (bassnet and lefevere, 1990). but this field also brought with itself so many other issues which needed to be investigated more, in the heart of which, issues like ideology, ethics, culture, bilingualism and multilingualism. it is reported that ove...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم انسانی 1393

learning-oriented assessment seeks to emphasise that a fundamental purpose of assessment should be to promote learning. it mirrors formative assessment and assessment for learning processes. it can be defined as actions undertaken by teachers and / or students, which provide feedback for the improvement of teaching and learning. it also contrasts with equally important measurement-focused appro...

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

language learning courseware has been receiving growing attention by english educators since its advent. a variety of softwares have been designed by software designers and resorted to by language educators to supplement language textbooks. this experimental study investigated how the application of computerized version of language textbooks and the reception of the entire course through comput...

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