نتایج جستجو برای: physiographic conditions

تعداد نتایج: 848738  

Journal: :Annals of the Association of American Geographers 1911

Journal: :international journal of advanced biological and biomedical research 2014
mehrdad esfandiari s.r. hassanpour avanji zohreh baniabbass navid adibifard

an approach to agricultural management is to select and to identify susceptible regions for sowing according to the climatologic and physiographic condition of the land. knowing this enables the farmers to farm in line with the physical and climatologic conditions of the land and to decrease the crop injuries due to the undesirable climatologic conditions. there fore, this approach can be an ef...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

in this thesis, a better reaction conditions for the synthesis of spirobarbiturates catalyzed by task-specific ionic liquid (2-hydroxy-n-(2-hydroxyethyl)-n,n-dimethylethanaminium formate), calcium hypochlorite ca(ocl)2 or n-bromosuccinimide (nbs) in the presence of water at room temperature by ultrasonic technique is provided. the design and synthesis of spirocycles is a challenging task becaus...

2012
N.

The Cainozoic history of the Malanna area included faulting, deposition of sediments by streams or in lakes and swamps, two epochs of planation, and stream erosion. There is no physiographic, depositional or structural evidence for gladation in this area, the type area of Lewis's Malanna Phase of the Pleistocene glaciation. This phase must be considered invalid on the eviaence available in the ...

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