نتایج جستجو برای: the environmental index
تعداد نتایج: 16147273 فیلتر نتایج به سال:
Objective: Metal concentrations in 53 soil samples of Shahr-e-Babak were determined. Methods: Assessment of enrichment factor and geo-accumulation index revealed higher degree of contamination of Cd, Pb, and Cu in soil samples. Moreover, results of metal fractionation study revealed high amount of Cd and Pb are associated in weakly bounds may lead to environmental risk of these metals. Result...
Drought is an extended period of low precipitation which resulted in injuries to consumers of water and reducing their performance, especially in agriculture. Different indices have already been proposed for evaluating drought, based on one of the varieties of meteorological, hydrological and agricultural droughts, but no indices has been identified yet, encompassing all factors. This study has...
The reflections recorded on satellite images have been affected by various environmental factors. In these images, some of these factors are combined with other environmental factors that cannot be distinguished. Therefore, it seems wise to model these environmental phenomena in the form of hybrid indicators. In this regard, satellite imagery and machine learning methods can play a unique role ...
objective: the prevalence of childhood obesity is increasing worldwide. this study investigated the prevalence of obesity and its associated factors in schoolchildren of neishabour, winter 2006. materials and methods: in a cross–sectional study, 1471 students, aged 6-12 years, were selected by a two-stage cluster sampling. height and weight of the students were measured and bmi was calculated. ...
nowadays the environmental civil liability regime has wake fundaments. this article attempts to analysis the new evolutions in the fundaments of environmental civil liability theories in islamic jurisprudence and environmental law .so this paper is divided in tow sections and one introduction. part i study contemporary legal approaches in environmental civil liability and part ii explain and de...
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