نتایج جستجو برای: quantity of stored water

تعداد نتایج: 21220889  

Journal: :مدیریت آب و آبیاری 0
محمود مشعل استادیار گروه مهندسی آبیاری و زهکشی، پردیس ابوریحان، دانشگاه تهران، پاکدشت - ایران جواد کامرانی کارشناس ارشد گروه مهندسی آبیاری و زهکشی، پردیس ابوریحان، دانشگاه تهران، پاکدشت - ایران فرهاد میرزایی اصلی استادیار گروه مهندسی آبیاری و آبادانی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج - ایران

concerns about nitrate pollution in groundwater and downstream systems cause development of surface water management system to reduce losses of agricultural drainage water nitrate in subsurface drainage using subsurface irrigation from existing drainage lines, drainage water during the growing season and out of season is controlled. the overall objective of this study was to evaluate the effect...

Journal: :IOP Conference Series: Earth and Environmental Science 2020

Journal: :آب و خاک 0
فرشته مدرسی شهاب عراقی نژاد کیومرث ابراهیمی مجید خلقی

abstract climate change means a significant change in the long-term weather of a region in comparison with what has been observed during a long term period. precipitation and minimum and maximum temperature are three variables which are affected directly by the climate change. furthermore, the water yield of a river is one of the most important hydrological variables of a basin which is affecte...

2015

Water is most essential for existence of life on earth. Water is the basic necessity of all living creatures and its important use are for drinking purpose. Water intended for human consumption must be safe and free from microbes. Therefore this investigation was taken with the objective to study the effect of storage of lake water in different vessels like plastic, clay, copper and stainless s...

Journal: :iranian red crescent medical journal 0
elham mohammadhoseini advanced thoracic research center, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran enayat safavi advanced thoracic research center, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran; advanced thoracic research center, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran. tel/fax: +98-2166581594 sepideh seifi department of nephrology, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran soroush seifirad advanced thoracic research center, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran shahram firoozbakhsh advanced thoracic research center, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran soheil peiman advanced thoracic research center, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran

conclusions in samples stored in plastic syringes, overestimation of pao2 levels should be noted if samples cooled before analysis. in samples stored in plastic syringes, it is not necessary to store samples in iced water when analysis delayed up to one hour. results pao2 of the samples stored at 0°c was increased significantly after 60 minutes (p = 0.007). the paco2 of the samples kept for 30 ...

2016
Kathryn Abendroth

The prospect of water wars and conflict over water are ideas that are frequently dramatized in media and also studied by scholars. It is well-established that bona fide wars are not started over water resources, but conflict over water does exist and is not well understood. One would suppose, as scholars often do, that dyads composed of two democratic nations would be the best at mitigating con...

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