نتایج جستجو برای: non point sources
تعداد نتایج: 2010796 فیلتر نتایج به سال:
Modelling of Agricultural Non-point Sources Pollutants in Upper Pangani River Basin (UPRB), Tanzania
B ackground and Objectives: Education is one of the best methods of to preventing AIDS identifying learners’ information resources are necessary to design effective training programs . This study was done to determine the non- medical students’ information sources and ways of preventing HIV transmission . Materials and Methods: This Cross-sectional study was done on 384 non medical students...
nowadays the position of the renewable energy is so important because of the environment pollution and the limitation of fossil fuels in the world. energy can be generated more and more by the renewable sources, but the fossil fuels are non-renewable. one of the most important renewable sources is the wind energy. the wind energy is an appropriate alternative source of fossil fuel. the replacem...
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