نتایج جستجو برای: necessary for all countries
تعداد نتایج: 10767389 فیلتر نتایج به سال:
the issue of water resources and their effect on human life doesn't need any analysis and reasoning. however, such factors as population growth, improved quality of life and development of urbanization along with improved industrial and technological dimensions of human life have necessitated logical and reasonable planning for optimal use of water and water basins of the world. these fact...
this study investigated the functions, types and frequencies of code switching in the teachers and students discourse in elt classrooms. to this end, the participants of this study including two groups of teachers and students were selected. the first group of participants were two efl teachers teaching general english courses (at two different levels of proficiency) in an institutional program...
during 2010-2011 a faunistic survey was carried out for collection and identification of edaphic mesostigmatic mites (acari: mesostigmata) in jiroft and suburb. mites were extracted from soil samples by berlese funnel. the mites were cleared in nesbit fluid and were mounted in hoyer medium on microscopic slides. in this study 43 spices from 26 genera and 16 families were collected and identifie...
there are a lot of researches in the world about attacks on information systems (is). although there have been many attempts to classify threats of is’s especially in health information systems (his), it is still necessary for all health organization to identify new threats and their sources which threaten security of health care domain. the main aim of this paper is to present a research agend...
this research is about the political economy of china in central asia. in this research the political & economic interactions affected on chinas political economy in central asia are examined. chinas goal of presence in central asia including political-security, economic and energy goals is described in one part. in another part, the trade relations between china and central asian countries ar...
road traffic accidents (rta) are one of the most important causes of death and disability all over the world. in developing countries the problem is more complicated. based on the estimation by unicef, rate of rta in iran is 20 times more than world’s average. in iran among all unintentional fatal injuries inflicted on children under five, traffic related fatalities are the leading cause of dea...
introduction: cardiovascular diseases are important factors at human death and factor destroys human resources. health intervention is a service for developing of health and diagnoses or modifies of process diseases. it is necessary that every country regarding to its goals, laws national, interests and standards, considers establishing such a system. a comparison of cardiovascular disease clas...
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