نتایج جستجو برای: due to less environmental pollution
تعداد نتایج: 10746498 فیلتر نتایج به سال:
the present study aimed to investigate the possible effects of focused highlighted error feedback on grammatical accuracy of writing among iranian intermediate efl learners. after selecting 52 homogenous participants from among 70 university students attending azad university of rasht and randomly dividing them into two intact groups of 26 students, the researcher exposed the participants of th...
Environmental problems have become a critical global issue, especially the global warming issue resulting from increased greenhouse gases over the past few decades. Nevertheless, due to the importance of foreign direct investment (FDI) for some countries, they use their environment as a comparative advantage to attract FDI. In this study, by using a theoretical model, we review the pollution ha...
during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...
introduction the current environmental challenges one of the main concern of is humanity. the issue of when more added concern has been associated with complications. research suggests the environmental challenges are rooted in factors in the different levels of global, regional and local levels are considered. in this case although many studies have been in different aspects of urban environme...
Background: Increasing environmental crises in recent centuries have endangered human lives and creatures on Earth, and these crises are increasingly widespread and can lead to irreparable events across the globe. So, though, chocolate needs a little self-care and a constructive and ethical interaction with the environment to preserve it. The attention to environmental ethics began around the w...
This article describes the evolution and key features of the centralized environmental regulatory systems that emerged in the United States and Europe during the latter half of the twentieth century. It applies insights from the positive economic analysis of regulatory centralization in an attempt to explain a striking paradox found in both the European and American centralized environmental re...
regarding to the escalating trend of environmental pollutions, especially air pollution in great city of tehran, the perspective and study of the conditions for supply and consumption trends of fuels, with specific to fossil fuels, can lead to formation of significant figures and data. on the other hand, recognition, and if possible, reformation of environmental management schemes in the supply...
The important issues of China’s environmental pollution and its internal reasons have been explored by means of the software MATLAB which has been widely applied to the economics fields due to its powerful mathematical and graphical functions. The impact of local government’s behavior on environmental pollution has been evaluated and, an empirical analysis based on China’s 30 provincial data fr...
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