即席
发表于 2025-3-28 17:37:55
Strategies for Remediation of Former Opencast Mining Areas in Eastern Germanyy, Saxony-Anhalt, and Brandenburg. Except during the initial phases of extraction, lignite was exclusively recovered by opencast mining. The close ties between industry and mining led to the establishment of major industrial operations such as petrochemical, organochemical, and electrochemical plant
extemporaneous
发表于 2025-3-28 18:59:28
Reduction of Mercury Emissions from Gold Mining Activities and Remedial Procedures for Polluted Sitea and Asia, the number of artisanal gold miners may be as high as 6 million. Most developing countries face enormous social and environmental problems derived from poor mining practices when considered together with the lack of economic alternatives.
Expostulate
发表于 2025-3-29 00:14:19
Pollution from Mining in Greenland: Monitoring and Mitigation of Environmental Impactsion and exploitation of minerals in Greenland with standards similar to those used in North America and Western Europe. Monitoring and assessment of environmental impacts have been part of this process, in which the authors of this chapter have been deeply involved.
Retrieval
发表于 2025-3-29 05:57:55
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消灭
发表于 2025-3-29 07:49:27
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Evocative
发表于 2025-3-29 14:34:08
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箴言
发表于 2025-3-29 17:55:46
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轮流
发表于 2025-3-29 21:58:38
Treatment of Coal Mine Drainage with Constructed Wetlandsa’s 87 000 km of streams (Arway 1996). Pennsylvania Department of Environmental Protection (DEP 1980) records estimate the amount of pollution from coal mine drainage at 2.27 · 10. tons per year of acidity as CaCO. equivalent.
晚来的提名
发表于 2025-3-30 02:03:30
Mining in the Arctic: Mitigation and Remedial Measuresntinuous permafrost zones. Permafrost, by definition, is any soil that has been continuously frozen for at least two consecutive years. The continuous permafrost zone is totally underlain by permafrost except for areas concomitant with large water bodies. The discontinuous zones are characterized by permafrost and thawed ground existing together.
Ptsd429
发表于 2025-3-30 04:07:41
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