The real meaning of environmental quality.
نویسندگان
چکیده
منابع مشابه
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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...
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چکیده ندارد.
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gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
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ژورنال
عنوان ژورنال: American Journal of Public Health and the Nations Health
سال: 1969
ISSN: 0002-9572
DOI: 10.2105/ajph.59.12.2130