نتایج جستجو برای: upstream

تعداد نتایج: 40625  

Journal: :Circulation: Cardiovascular Interventions 2019

Journal: :Journal of the American Statistical Association 2019

Journal: :Science-Business eXchange 2011

Journal: :Journal of Geophysical Research: Space Physics 1998

ژورنال: علوم آب و خاک 2013
عطاالله ابراهیمی, , ندا کاوه, ,

Riparian vegetation is a component of river system that performs certain basic functions including primary vegetative production, protecting stream banks from erosion, trapping sediments, promoting water quality, wildlife habitat and fisheris, forage for livestock, etc. In this research, spatio-temporal change of vegetation riparian area of Aghbolagh-river as an upstream of Karoon-river for 65-...

Journal: :international journal of civil engineering 0
h. khalili shayan irrigation and reclamation engineering dept., university of tehran, p.o. box 31587-4111, karaj, iran 31587-77871 e. amiri-tokaldany dept. of irrigataion and reclamation engineering, faculty of agriculture and engineering technology, university college of agriculture and natural resources, university of tehran

upstream blankets, drains and cutoff walls are considered as effective measures to reduce seepage, uplift pressure and exit gradient under the foundation of hydraulic structures. to investigate the effectiveness of these measures, individually or in accordance with others, a large number of experiments were carried out on a laboratory model. to extend the investigation for unlimited arrangement...

Journal: :Journal of Theoretical Biology 2010

Journal: :Physical Review Letters 2016

Journal: :Journal of the American College of Cardiology 2002

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