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The coal industry chain extension not only improve efficiency of resource utilization of coal, and can prolong life cycle, Ensure the sustainable development of coal enterprises. The extension of the coal industry chain model and extended risks are analyzed. Reveals the coal industry chain extension and influence factors of coal industry, discusses the mechanism of hazard identification and control method is outspread.

KEYWORDS

the coal industry chain; chain extension; risk control

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Autor: Junzhi Zhang

Fuente: http://www.scirp.org/



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