نتایج جستجو برای: depth semi

تعداد نتایج: 297512  

Journal: :Journal of environmental biology 2009
G Gowda K M Rajesh R M Mridula

Vertical distribution of polychaetes in a semi-enclosed brackishwater pond of Nethravathi estuary was studied for one year from February 2004 to January 2005. The semienclosed brackishwater pond is a shallow water body with an average depth of 1-1.5 m with an area of 12 ha having direct connection with the estuary which opens into the Arabian sea. A total of nine species of polychaetes were ide...

Journal: :علوم گیاهان زراعی ایران 0
رضا کشاورزنیا دانشجوی دکتری مهندسی ژنتیک، دانشگاه تهران مریم شهبازی استادیار، مؤسسۀ بیوتکنولوژی کشاورزی سازمان آموزش، تحقیقات و ترویج کشاورزی ولی اله محمدی دانشیار، پردیس کشاورزی و منابع طبیعی دانشگاه تهران قاسم حسینی سالکده دانشیار، مؤسسۀ بیوتکنولوژی کشاورزی سازمان آموزش، تحقیقات و ترویج کشاورزی علی احمدی استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران احسان محسنی فرد دانشجوی دکتری، دانشکدۀ کشاورزی، دانشگاه فردوسی مشهد

abstract drought is the most important factor limiting crop yield word wide. osmotic adjustment (oa) and strong and deep root system result in increased cereal drought tolerance through increasing water uptake and water use efficiency. the impact of root structure and physiological traits on drought stress response was studied in three barley cultivars including yousof (drought tolerant), moroc...

Alireza Masjedi, Farhangh Emami Far Mohammad Heydarnejad

Every year a large number of bridges flooding in the river just when they most need them there destroy all born. Carried out. In this study, the four fulcrum forms a semi-circular, trapezoidal, rectangular edges rounded rectangle 90 degrees at 70 degrees in Sagittarius with four different discharges depth of constant scouring around the abutment in pure water were examined. For material of flum...

The major problem in the assessment of relationships between rainfall and runoff occurs when a study is carried out in ungauged watersheds in the absence of hydro-climatic data. This study aims to evaluate the applicability of Natural Resources Conservation Service-Curve Number (NRCS-CN) method together with GIS in estimating runoff depth in a mountainous watershed. The study was carried out in...

2015
Laurent Kneip Zhou Yi Hongdong Li

The paper addresses the problem of camera tracking, which denotes the continuous image-based computation of a camera’s position and orientation with respect to a reference frame. The method aims at regular cameras, which means that 3D-3D registration methods applicable to RGB-D cameras are not an option. The tracked frame contains only 2D information, thus requiring a solution to the absolute p...

Journal: :caspian journal of environmental sciences 2012
m ebrahimian

the major problem in the assessment of relationships between rainfall and runoff occurs when a study is carried out in ungauged watersheds in the absence of hydro-climatic data. this study aims to evaluate the applicability of natural resources conservation service-curve number (nrcs-cn) method together with gis in estimating runoff depth in a mountainous watershed. the study was carried out in...

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