نتایج جستجو برای: water structures

تعداد نتایج: 986918  

Journal: :International Journal of Design & Nature and Ecodynamics 2010

Journal: :The Journal of Chemical Physics 2005

Journal: :Proceedings of the National Academy of Sciences 2020

Ebrahim Amiri Tokaldany Mohsen Tahmasebi nasab Puria Asiaban

Detention rockfill dams are accounted as economically efficient structures for flood control, river bed and banks protection, flow diversion, etc. As the hydraulic behavior of these structures, when are used for flood control, is affected by the depth of water in their porous media, there is interests to predict water surface profile through the body of these structures. In this research, we de...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی 1392

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

Journal: :Acta crystallographica. Section D, Biological crystallography 2009
Shankar Prasad Kanaujia Kanagaraj Sekar

The water molecules in 25 (21 high-resolution and four atomic resolution) crystal structures of bovine pancreatic phospholipase A(2) have been analyzed in order to identify the invariant water molecules and their possible roles. A total of 24 water molecules have been identified that are invariant in all 25 crystal structures examined. These include the catalytic water molecule, which is direct...

Journal: :international journal of environmental research 2015
p. asiaban e. amiri tokaldany m. tahmasebi nasab

detention rockfill dams are accounted as economically efficient structures for flood control, river bed and banks protection, flow diversion, etc. as the hydraulic behavior of these structures, when are used for flood control, is affected by the depth of water in their porous media, there are interests to predict water surface profile through the body of these structures. in this research, we d...

Elevated water tanks supported by the reinforced concrete (RC) Staging are classified as inverted pendulum structures. These are considered as structures of high post-earthquake importance and should remain functional after the seismic events. National codes of various countries recommend Force-Based Design (FBD) procedure for water tank staging, which does not ensure nonlinear performance leve...

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