نتایج جستجو برای: the sun

تعداد نتایج: 16057414  

Journal: :The Astronomical Journal 1944

Journal: :International Astronomical Union Colloquium 1990

Journal: :Proceedings of the National Academy of Sciences 1929

Journal: :The Iowa Review 2011

Journal: :Nature Astronomy 2018

Journal: :nutrition and food sciences research 0
maliheh zahedirad hafezi st., shahrak qods (gharb), tehran, 1981619573, iran tel. (+9821) 22376471, fax (+9821) 22360660 bahareh nikooyeh hafezi st., shahrak qods (gharb), tehran, 1981619573, iran tel. (+9821) 22376471, fax (+9821) 22360660 tirang r. neyestani hafezi st., shahrak qods (gharb), tehran, 1981619573, iran tel. (+9821) 22376471, fax (+9821) 22360660

background and objectives: vitamin d deficiency/insufficiency is a global health problem. the importance of this problem is doubled in growing children because of their increased need for skeletal growth. this investigation was performed firstly to assess vitamin d status, and secondly to examine its possible relationship with sex, residing area and duration of sun exposure in 9-12 years old ch...

Sun

Journal: :The Iowa Review 1981

Journal: :Publications of the Astronomical Society of Japan 2014

آبکار, علیجان, محمدی, صدیقه,

Using empirical models for estimating evaporation requires a lot of variables that some of them can not be measured in the stations. Therefore, this study aimed to simulate the daily evaporation of Tabriz synoptic satation using meteorological data including average temperature of air (ْc), wind velocity mean (m/s), relative humidity (%) and sun light hours by Adaptive Neuro-Fuzzy Inference Syst...

Journal: :Monthly Notices of the Royal Astronomical Society 1912

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