Gas drainage - PowerPoint PPT Presentation

Outburst Research Needs

Outburst Research Needs. Hanes ACARP Workshop DMR Wollongong 12 th February 2003 Ray Williams. Issues. Mechanism Thresholds Circumstance (structure/mining) Target outcome Types Values, Reliability, Practicality Combinations Barrier Sample Frequency.

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389 views • 28 slides

Safety science and engineering department

Safety science and engineering department. Wang Zhao. the five natural disasters in mines. As we all know, coal miners can earn more money than other workers, but their lives are more dangerous ,too.

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546 views • 14 slides

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