نتایج جستجو برای: natural resources materials
تعداد نتایج: 1125639 فیلتر نتایج به سال:
drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...
this research project aimed to investigate the scientific performance motivators in agriculture and natural resources by means of measuring attitude approach. the population consisted of 300 agriculture and natural resources faculty members from agricultural and natural resources colleges as well as from the academy of sciences of islamic republic of iran who were selected through purposive sam...
N owadays, innovation considered as the most important factor, which can affect economic growth extraordinary. Therefore, investigating the effect of variables affecting innovation has priority. In this study, we try to investigate 1) the natural resource curse hypothesis and 2) the effect of institutional quality on the way in which natural resources affects innovation. To investiga...
Background: Public participation in decisions regarding natural resources is the easiest way to preserve these resources. It seems that having human of conservation ethics of natural resources, has affect on their participation in the preservation of natural resources. This survey research was done to investigate the relationship between conservation ethics of natural resources and particip...
Nearly 95% of monomers or chemical intermediates used today are based on fossilized carbon such as coal and petroleum. This has resulted in a high rate of depletion of fossilized reserves, continuous escalation in petroleum prices, environmental impact with the increase in emission of greenhouse gases, and accumulation of non-biodegradable waste on earth. Current global main challenges are movi...
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