نتایج جستجو برای: geometric conditions

تعداد نتایج: 929401  

Journal: :journal of rangeland science 2013
hamid toranjzar moslem poormoridi

several studies have been performed to evaluate the desertification in iran andother countries which led to present national and regional models. one of them is imdpamodel. this model was used as a case study in taraz nahid, saveh, iran. in this study, fivefactors including climate, soil, vegetation, irrigation, and socioeconomic ones wereevaluated. according to the region conditions for each c...

ژورنال: علوم آب و خاک 2014
حسینی, یاسین , حیدرپور, منوچهر , رضویان, سید حسین ,

The combined system of gate and weir is used for flow measurement in open channels. But in case the passing water has floating material and sediment it damages their performance and hence error of measurement will increase. In order to solve this problem, weir and gate can be combined and a concentrated hydraulic system known as weir-gate can be developed, thus allowing sediments transportation...

Journal: :Вестник Башкирского университета 2018

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