搜索筛选:
搜索耗时4.7346秒,为你在为你在102,285,761篇论文里面共找到 2 篇相符的论文内容
类      型:
[期刊论文] 作者:Yan Wang,Duoxi Yao,Haifeng Lu, 来源:地质学期刊(英文) 年份:2018
This article puts forward the gray markov prediction model to predict mine gas emission by combining grey system theory and markov chain theory. And GM (1, 1) m...
[期刊论文] 作者:Hao Zhang,Duoxi Yao,Haifeng Lu, 来源:地质学期刊(英文) 年份:2017
With the increasing of coal mining depth, the coal seam floor is threatened more and more seriously with the limestone aquifer of Taiyuan Formation. In order to...
相关搜索: