نتایج جستجو برای: environmental engineering
تعداد نتایج: 621179 فیلتر نتایج به سال:
Introduction: Students' academic motivation plays an important role in their academic achievement and is one of the most important challenges faced by the universities. The purpose of this study was to explain the factors affecting academic motivation from the perspective of environmental health engineering students. Methods: In a qualitative content analysis, in which a focused group discussi...
Canalization is an umbrella term a leading C. H. Waddington introduced in 1960’s. The term describes the ability of a population to buffer disturbances in phenotypic development. There are two major types of canalization based on the sources of disturbances: genetic and environmental. Genetic canalization describes the ability to express the same phenotype from different genotypes, while enviro...
The impact of human activity on the biosphere has produced a global society context in which scarcity of natural resources and risks to ecological health such as air pollution and water contamination call for new solutions that help sustain the development of human society and all life on earth. This review article begins by recalling the historical and philosophical context from which contempo...
in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...
m.a. abdoli 1 , b. tavakoli *1,2, m.h. menhaj3 1- dept. of environmental engineering, university of tehran, faculty of environmental science, tehran, iran. 2-dept. of environment, faculty of natural resources, university of guilan, someh sara, iran 3- dept. of rural development, faculty of agricultural sciences, university of guilan, rasht, iran *corresponding author's e-mail: babak_13...
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