نتایج جستجو برای: makers is obviousduring last several decades
تعداد نتایج: 7489721 فیلتر نتایج به سال:
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Policy makers are nowadays debating about the future electricity mixes that should be deployed. The environmental impacts of electricity generation systems is one of the central issue for this debate. Environmental impacts of electricity systems have been widely assessed over the past decades, in particular with the LCA approach. Several literature reviews have shown the large variability assoc...
in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...
the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...
Silver fir (Abies alba Mill.) is still counted among drought-tolerant tree species. However, its ability to cope with the recent extremely dry period has not yet been sufficiently studied. The objective of research was analyse differences in climate-growth response between silver fir, Norway spruce (Picea abies L. Karst.) and European larch (Larix decidua growing areas large-scale disintegr...
Work intensification (WI) is a notable job stressor, which has been hypothesised to result in various negative outcomes for employees. However, earlier empirical studies regarding this stressor hypothesis have not yet reviewed. Our narrative review focused on the employees of WI as perceived stressor. was based selected qualitative and quantitative (k = 44) published peer-reviewed journals betw...
Food products account for a significant amount of the Iranian imports. Despite the rising prices of food products over the last two decades, their imports have been increasing too. In this study import demand of the main imported food products is empirically analyzed using Quadratic AIDS. Welfare impacts are measured using compensated variation. The results indicate that all products, except te...
Numerous therapeutics for prevention and treatment of anxiety have been suggested but many people select alternative medicine such as homeopathy. Homeopathy is an old system of medicine which is used as an effective treatment in both acute and chronic medical and psychological conditions. The ''Homeopathy'' term is a Greek word that means similar disease. Homeopathy has a holistic approach to t...
the purpose of this paper is to examine and evaluate the effects of government intervention on the iranian economy over the last few decades. it is shown that public expenditures affect the value added of each economic sector not only simultaneously, but lagged over several periods. regression results show that the value added from the agricultural sector has never been affected by government e...
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