نتایج جستجو برای: institutional support of agricultural development
تعداد نتایج: 21293536 فیلتر نتایج به سال:
implicit and unobserved errors and vulnerabilities issues usually arise in cryptographic protocols and especially in authentication protocols. this may enable an attacker to make serious damages to the desired system, such as having the access to or changing secret documents, interfering in bank transactions, having access to users’ accounts, or may be having the control all over the syste...
the study of those factors facilitating sustainable entrepreneurship in sport according to cultural and ethnic values is important. the aim of this study was to develop sustainable entrepreneurship model based on strauss and corbin’s (1989) systematic model. research method was analytical so qualitative methodology was used. research strategy was grounded theory (gt). participants included 24 s...
Development of new irrigation technologies is one of the most important solutions for agricultural development and increasing production which is discussed as an important issue of country due to serious constraint on water resources. Thus the main objective of this research is to study the development constraints of pressurize irrigation systems in Rural regions which are induced as a case stu...
Introduction The evolution of agricultural research and development policy in Zambia is emblematic of the quiet crisis in African agricultural research. Zambia, a medium-sized country that has avoided internal conflict, has, until recently, been spared from natural disasters. It has also enjoyed periods of relative economic well-being and institutional growth based on its copper industry. Zambi...
abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
in civil engineering concrete is a material combined of hydraulic cement, sand, gravel and water. gravel and sand compose 60 to 70 percent of concrete. these aggregates support compression force of concrete. cement paste acts as glue to stick grain together. in bushehr factories producing aggregates do not operate according to astm standards, so that fineness modulus (fm) of the produced sands ...
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