نتایج جستجو برای: gravelly drainage layer

تعداد نتایج: 322829  

Journal: :Jiban Kogaku Janaru (Japanese Geotechnical Journal) 2010

Journal: :Equine veterinary journal 2007
R P C Coomer T S Mair G B Edwards C J Proudman

REASONS FOR PERFORMING STUDY Incisional drainage and suppuration occurs commonly following exploratory laparotomy; any technique with the potential to reduce the incidence of this complication warrants investigation. OBJECTIVES To determine if abandoning the use of subcutaneous sutures in laparotomy wound closure is safe and whether it reduces the risk of suppuration. METHODS A randomised c...

ژورنال: علوم آب و خاک 2015
شیرانی, کورش , عامری, علیرضا عرب ,

This research was conducted to prepare landslide susceptibility zonation (LSZ) map for the Dez-e-Ouliabasin using logistic regression model. For this purpose, at first, the most important factors affecting land sliding including slope, aspect, elevation, precipitation, the distance from road, the distance from fault, the distance from drainage, land use, and lithology were determined. Then, the...

Journal: :Global Journal of Geological Sciences 2021

Vertical Electrical Sounding (VES) and pumping test (constant discharge recovery test) was carried out in parts of Boki Local Government Area to evaluate the groundwater potential, using aquifer characteristics study area. Sixteen (16) VES point employed for this Schlumberger array, with a maximum spread 400- 600m. The stimulated result from field data shows 3-5 layers resistivity model followi...

ژورنال: علوم آب و خاک 2018

The growth of world population and the demand for agricultural products can be regarded as one of the important issues that humanity has ever faced. There are serious concerns regarding surface and ground water pollution by nitrates because of using nitrogen fertilizers in the agriculture. Improving agricultural water management systems can reduce nitrate in drainage outflow and therefore, redu...

Journal: :مرتع و آبخیزداری 0
محسن پادیاب دانشجوی دکتری آبخیزداری دانشکدة منابع طبیعی، دانشگاه تهران سادات فیض نیا استاد دانشکده منابع طبیعی دانشگاه تهران حسن احمدی استاد گروه آبخیزداری، دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران اردشیر شفیعی عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان کهکیلویه و بویراحمد

small precipitation with temporal and spatial variation of rainfall is the main responsible factors on flood occurrence in arid and semi arid regions. floods in their regions usually contain high concentration of sediments which when they are deposited on the surface of lands, they change the properties of soils of the area. in this research, the effect of floodwater spreading on physic-chemica...

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