نتایج جستجو برای: combined al
تعداد نتایج: 802313 فیلتر نتایج به سال:
Enhancing the sustainability and diversification of Iraq’s electricity system is a strategic objective. Achieving this goal depends critically on increasing use renewable energy sources (RESs). The significance developing solar-powered technologies becomes essential at point. Iraq, similar to other places with high average direct normal irradiation, good location for concentrated solar thermal ...
an efficient synthesis of 1, 8-dioxo-octahydroxanthens and 1, 8-dioxo-decahydroacridines from the reaction of 5,5-dimethyl-1,3-cyclohexanedione (dimedone) with aromatic aldehydes bearing electron-donating or withdrawing substituents either in the presence or absence of primary amines has been described in a single pot using a catalytic amounts of aluminum tris (dodecyl sulfate) trihydrate [al(d...
In this work, using plane wave method in the framework of density-functional theory, we calculated clamped-ion and relaxed-ion elasticity, stress and strain piezoelectric independent coefficients for seven stable combinations of honeycomb monolayers XY (X:B,Al,Ga,In ; Y:N,P,As,Sb). The coefficients calculations by two methods of density functional perturbation theory (DFPT) and finite differenc...
s only (1) Editorials (3) 4d. Number of articles/sources meeting criteria for further review: 11 4 randomized trials were identified: (Dorges et al 2000 [not CPR cases only those undergoing GA]), (Langehell et al 2000), (Wenzel et al 1999 [not CPR cases, only those undergoing GA]), (Droges et al 1999 [not CPR cases only those undergoing GA]), 4 relevant human (mechanistic) studies were identifi...
â â â â narration elements in the story of mousa and khezr â (based on character and time) â â sayyed reza solayman zadeh najafi * â azim tahmasbi ** â â abstract â â the story consists of elements such as character and time and the story features. characters make storyâs structure and there is not story without character . time element is also necessary for the story . each story...
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