نتایج جستجو برای: over the past three decades helicopter

تعداد نتایج: 16222904  

Journal: :International Journal of Circumpolar Health 2012

پایان نامه :0 1374

in fact this study is concerned with the relationship between the variation in thematice structure and the comprehension of spoken language. so the study focused on the following questions: 1. is there any relationship between thematic structure and the comprehension of spoken language? 2. which of the themes would have greated thematic force and be easier for the subjects to comprehend? accord...

2012
Stine Overvad Fredslund Eva Cecilie Bonefeld-Jørgensen

The purpose of this study is to review the current literatures on breast cancer (BC) in the Arctic, especially the trends in incidence during the last decades and the possible explanations. The design of this study is a literature review. The scientific literature concerning BC were reviewed, especially focusing on the Arctic and the special conditions that exist in this region. Breast cancer i...

2014
S. K. Lauvset

Introduction Conclusions References Tables Figures

Journal: :علوم کاربردی و محاسباتی در مکانیک 0
احمد صداقت روح اله ارسطویی

in this research, the steady-state flow filed around a 3d body and rotor configuration of the robin helicopter is simulated. the rotor is modeled by an actuator disk. for this purpose, an annular computational domain replaces the rotor and some modeled source terms are added to the momentum equations. this modeling of rotor considerably speed up computational time. the flow field over this heli...

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