منابع مشابه
the effect of functional/notional approach on the proficiency level of efl learners and its evaluation through functional test
in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...
15 صفحه اولFunctional Genomics Requires Ecology
Since Mendel’s time, most genes have been identified by the effects mutations (including knockouts) have on the morphology, physiology, or behavior of individuals. Thus, almost by definition, there could be no ‘‘mutant genes without phenotypes.’’ In the molecular era, however, it has become possible to identify genes from DNA sequences. This alternative path to gene discovery has already led to...
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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
The Rarity of Dna Profiles.
It is now widely accepted that forensic DNA profiles are rare, so it was a surprise to some people that different people represented in offender databases are being found to have the same profile. In the first place this is just an illustration of the birthday problem, but a deeper analysis must take into account dependencies among profiles caused by family or population membership.
متن کاملThe Grand Challenges in Functional Plant Ecology
The science, this section-journal of Frontiers in Plant Sciences will be covering at great breadth and depth, aims at linking plant responses with the environment. The environmental influences are manifold and include both abiotic and biotic ones. The first include physical and chemical influences, the latter include plant–plant, plant–animal, plant–microbe (incl. virus) interactions. The plant...
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ژورنال
عنوان ژورنال: Trends in Ecology & Evolution
سال: 2017
ISSN: 0169-5347
DOI: 10.1016/j.tree.2017.02.002