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[期刊论文] 作者:Morgan M.Sears,John Rusnak,Mar, 来源:矿业科学技术学报:英文版 年份:2018
In 2016,room-and-pillar mining provided nearly 40%of underground coal production in the United States.Over the past decade,rib falls have resulted in 12 fatalit...
[期刊论文] 作者:Khaled Mohamed,Mark Van Dyke,Gamal Rashed,Morgan M.Sears,Robert Kimutis, 来源:矿业科学技术学报(英文版) 年份:2021
Researchers from the National Institute for Occupational Safety and Health (NIOSH) are developing a coal pillar rib rating (CPRR) technique to measure the integ...
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