نتایج جستجو برای: water use

تعداد نتایج: 2220360  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده زبانهای خارجی 1389

the aim of the present study was to investigate the frequency and the type of discourse markers used in the argumentative and expository writings of iranian efl learners and the differences between these text features in the two essay genres. the study also aimed at examining the influence of the use of discourse markers on the participants’ writing quality. to this end the discourse markers us...

Journal: :پژوهش آب در کشاورزی 0
سید حسن طباطبائی دانشیار گروه مهندسی آب، دانشکدهکشاورزی، دانشگاه شهرکرد. سارا مردانی نژاد دانشجوی کارشناسی ارشدآبیاری و زهکشی، دانشکده کشاورزی، دانشگاه همدان. حمید زارع ابیانه دانشیار گروه مهندسی آب، دانشکده کشاورزی، دانشگاه همدان.

the present research was conducted to study the effect of irrigation treatments on growth indices, yield, and water use efficiency of long green pepper (capsicum annuum l.) at the research greenhouse of shahrekord university. this experiment was done in a clay-loam soil using randomized design with four treatments i.e. 40%, 60%, 80%, and 100 percent of water requirement and three replications, ...

Journal: :Acta Agraria Debreceniensis 2012

Journal: :Annals of Applied Biology 2008

Journal: :Proceedings of the National Academy of Sciences 2014

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

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

Journal: :Environmental Science & Technology 2007

Journal: :Science 1962

Stomata, the small opening in leaf connecting plant with atmosphere, play pivotal roles in global water and carbon cycles. Stomata regulate the two key important physiological functions viz. photosynthesis and transpiration and thus are crucial for performance of crop species in changing climatic conditions. Although environmental factors influence the density and size of stomata, the genetic c...

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