نتایج جستجو برای: quantitative and semi quantitative models

تعداد نتایج: 16977317  

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ادبیات و علوم انسانی 1391

abstract this study evaluates the iranian pre-university english textbook in terms of needs, objectives, content, and methodology. the study was designed on the qualitative- quantitative survey basis using interviews and questionnaires, a researcher-made textbook evaluation checklist and a needs analysis questionnaire. the textbook evaluation questionnaire was used in this study to elicit the ...

2000
Herbert Kay Bernhard Rinner Benjamin Kuipers

1994
Adam Farquhar Giorgio Brajnik

Incomplete information is present in many engineering domains, hindering traditional and non—traditional simulation techniques. This paper describes SQPC (semi—quantitative physics compiler), an implemented approach to modelling and simulation that can predict the behavior of incompletely specified systems, such as those that arise in the water control domain. SQPC is the first system that unif...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

the present research was conducted to accomplish two purposes. firstly, it aimed to explore and describe schematic structure or what halliday and hassan (1989, p.64) have called “generic structure potential” (gsp) of american english, iranian persian and iranian english newspaper editorials within systemic functional linguistics. secondly, a quantitative cross-comparison was made to investigate...

Journal: :desert 0
a. mohebby ph.d graduate, research institute of forests and rangelands (rifr),tehran, iran m. jafari professor, faculty of natural resources, university of tehran, karaj, iran a. tavili associate professor, faculty of natural resources, university of tehran, karaj, iran s.a. javadi assistant professor, science and research branch, islamic azad university, tehran, iran e. zandi esfahan assistant professor, research institute of forests and rangelands (rifr),tehran, iran m. ramezani member of scientific board, islamic azad university, science and research branch, tehran, iran

it has often been stated or implied that grazing is an important factor in the land degradation process, a suggestion supported by various research projects, and this study investigated the effect of livestock grazing on stem height, crowncover, production, basal diameter, stem biomass, litter, leaf-stem index (leaf to stem weight) , root diameter and weight and seed production per individual o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

this study was conducted to investigate the impact of podcasts as a learning and teaching tool on iranian efl learners’ motivation for listening as well as on their listening comprehension ability. the study also investigated the learners’ perception towards listening to podcasts and examined whether the learners were likely to accept podcasts. out of fifty-five intermediate learners studying e...

Journal: :مدیریت آب و آبیاری 0
حسین بابازاده دانشیار دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، دانشکدۀ کشاورزی و منابع طبیعی، گروه مهندسی آب، تهران، ایران مهدی سرائی تبریزی استادیار دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، دانشکدۀ کشاورزی و منابع طبیعی، گروه مهندسی آب، تهران، ایران

soil unsaturated zone is one of the important parts of hydrological cycle that has an especial role in agricultural water resources management. the objective of this research was to determine the amount of root water uptake under simultaneous water, salinity, and nitrogen stresses as prevailing conditions in arid and semi-arid regions. to do so, the experiment was conducted with four quantitati...

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