نتایج جستجو برای: a 1894 messages egypt
تعداد نتایج: 13448264 فیلتر نتایج به سال:
Objective: In the ensuing Egypt revolution on 25 January 2011, no one guesses the military dictatorship could turn back to power within the next two years. Political structure in Egypt since the 1952 Revolution that was won by the heading Free Officers Movement has tilted toward an oligarchic system. It is an intricate web of power that includes an integral part of the state such as the executi...
1 Department of Organic Chemistry, Faculty of Science, Kafrelsheikh University, Kafrelsheikh, Egypt. 2 Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, Egypt. 3 Department of Medicinal Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt. 4 Department of Pharmaceutical Organic chemistry, Faculty of Pharmacy, Beni-suef Un...
The lives and contributions of Jean-Charles Galissard de Marignac (1817-1894) and Christian Klixbüll Jørgensen (1931-2001) are reviewed briefly.
abstract: this study uses esi indicators and statistics database for comparative evaluation of scientific production of iran, turkey, egypt and pakistan during 2002- 2012. this study is a survey and is done scientometrics approaches. spss software used for analysis of findings. toky and pearson correlation test was performed. study population was leader islamic countries who indexed base of esi...
Driven by both empirical knowledge and mathematical reasoning, Helmholtz made extraordinary contributions to natural philosophy, including both imaging and vision science. Fundamentally important examples include the Helmholtz theorem and the Helmholtz equation, which describe vector and scalar properties of light fields. The first informs us that fields are derived from point and current sourc...
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