نتایج جستجو برای: functional indices
تعداد نتایج: 662545 فیلتر نتایج به سال:
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...
background: accidents are the second reason for mortality and morbidity in iran. among them, brain injuries are the most important damage. clarification of the effects of brain injuries on different body systems will help physicians to prioritize their treatment strategies. in this study, the effect of pure brain trauma on the cardiovascular system and lungs 24 hours post trauma was assessed. m...
The aim of the study was to investigate affecting environmental factors on functional diversity indices and species diversity for the fluctuation of the management according to the ecological conditions in Raver rangeland. To determine the functional attributes of rangeland plants, 12 height points were selected along elevation gradient those were distance between them100 meters. 5 sampling plo...
Functional diversity is increasingly identified as an important driver of ecosystem functioning. Various indices have been proposed to measure the functional diversity of a community, but there is still no consensus on which are most suitable. Indeed, none of the existing indices meets all the criteria required for general use. The main criteria are that they must be designed to deal with sever...
Let f : Y → Z with Y ⊆ XI := Πi∈I Xi. Then (a) J ⊆ I is essential if there are x, y ∈ Y such that d(x, y) = J and f(x) 6= f(y), where d(x, y) := {i ∈ I : xi 6= yi}; Jf := {i : {i} is essential}; an essential J is optimally essential if no essential J ′ ⊆ J satisfies |J ′| < |J |; J ∈ Jf if J is a maximal family of pairwise disjoint optimally essential sets; λf := sup{|J | : J ∈ Jf}. (b) f depen...
Background: Accidents are the second reason for mortality and morbidity in Iran. Among them, brain injuries are the most important damage. Clarification of the effects of brain injuries on different body systems will help physicians to prioritize their treatment strategies. In this study, the effect of pure brain trauma on the cardiovascular system and lungs 24 hours post trauma was assessed. M...
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