نتایج جستجو برای: zarrin

تعداد نتایج: 53  

Introduction: Deficit of rainfall and consequently, water scarcity is one of the most important problems in arid and semi-arid areas. Water collecting structures have a positive effect on light textured lands due to deposition of clay and organic matter, as well as controlling the floods will enhance the vegetation (Abdollahi et al., 2015). Water Collection in order to store surface water runof...

Journal: :پژوهش و برنامه ریزی روستایی 0
بهروز محمدی یگانه مهدی چراغی افسانه یاری پور

extended abstract 1. introduction the area under study has several problems such as deficits in household spending, the high ratio of illiteracy and unemployment, the high number of children, the mistrust between villagers and so that these problems have created some obstacles on the way of rural development in the district. identify and analyze the issues and introduce proper solutions to elim...

2013
LUCYNA BUDZKO PAULINA JACKOWIAK MAREK FIGLEROWICZ

Activation-induced cytidine deaminase (AID) plays an essential role in the generation of a highly competent repertoire of antibodies by participating in class switch recombination (CSR) and somatic hypermutation (SHM). After B cell stimulation by antigens, AID initiates SHM and CSR by deamination of cytidine to uridine in the variable and constant regions of Ig genes. An adverse effect of AID’s...

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