نتایج جستجو برای: open pit
تعداد نتایج: 400946 فیلتر نتایج به سال:
The increasing expansion of open-pit mining and the drastic transformations land use in Latin America have led to processes rural depopulation among traditional inhabitants, causing unsustainability life systems. In context profound, worldwide territorial environmental transformations, it is necessary anticipate change scenarios identify territories prone depopulation. objective this article de...
Original scientific paper Evaluating the deterioration of ecological environment and vegetation of coalfields caused by China’s large-scale coal mining activities is important because of the fragile ecological environment and low temperature in cold and arid areas. This study takes the open coal pits of Haizhou, Gulianhe, and Huolinhe as examples and proposes a method for evaluating their ecolo...
OBJECTIVE To investigate the relationship between chronic multisymptom illness (CMI) and possible exposure to an open-air burn pit at three selected bases among those deployed to operations in Iraq and Afghanistan. METHODS Chronic multisymptom illness (reporting at least one symptom in at least two of the following symptom constructs: general fatigue; mood and cognition problems; and musculos...
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