نتایج جستجو برای: width ratio

تعداد نتایج: 559383  

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: :علوم گیاهان زراعی ایران 0
علی قربانی پور دانشجوی سابق کارشناسی ارشد دانشکده علوم کشاورزی دانشگاه گیلان بابک ربیعی دانشیار دانشکده علوم کشاورزی دانشگاه گیلان

in order to study the gene actions and heritability of the physical and chemical characteristics associated with appearance and cooking quality of rice grain, generation mean analysis was performed using a cross between two iranian rice cultivars, deylamani and sepidroud, having different quality characters. seeds of the parental lines and f1, f2, bc1 and bc2 generations were grown in randomize...

اکبری, نفیسه, فرهپور, نادر, یزدانی, شیرین,

Objective: The aim of this study was to investigate the relationship between anthropometric characteristics and crawl and breaststroke performance in adolescent girl swimmers with an emphasis on ratio of length and width of limbs to the height of subjects. Methods: Twenty adolescent female swimmers voluntarily participated in this study. Anthropometric variables, including height , lengt...

Journal: :QJM: An International Journal of Medicine 2021

Abstract Background Cuff leak test (CLT) has been used widely to assess upper airway patency before extubation but with low positive predictive value. Aim To the diagnostic accuracy of column width ratio (ACWR) in predicting postextubation stridor (PES). Patients and methods 50 who intubated >24 hours were observed for reintubation. Laryngeal ultrasound was done measure ACW ETT cuff defl...

Journal: :Journal of Experimental Social Psychology 2018

Journal: :The European Physical Journal C 1999

Journal: :Journal of Plasma Physics 2022

New orbit-averaged equations for low collisionality neoclassical fluxes in large aspect ratio stellarators with mirror ratios close to unity are derived. The retain finite orbit width effects by employing the second adiabatic invariant $J$ as a velocity-space coordinate and they have been implemented code KNOSOS (Velasco et al. , J. Comput. Phys. vol. 418, 2020, 109512; Velasco Nucl. Fusion 61,...

E. Shoja H. Alielahi,

In this study, the seismic interaction of surface foundations and underground cavities was investigated. For this purpose, a parametric study of geometric dimensions of the foundation and cavity, their location, and the effect of the interaction between surface foundations and underground cavities was evaluated. The variable parameters include the ratio of the overburden height to the foundatio...

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