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The actual application and construction technology of double stone wall in high-gas mine in Xinli Coal Mine are introduced,which plays an important part in govering gas under control,now are overall spreaded in whole Qitaihe Coal Mining Group.

文章介绍了新立煤矿双石墙在高瓦斯矿中的实际应用及施工技术,对瓦斯治理起到了很大作用,现已在七煤集团公司各矿全面推广。

Objective To determine the content of chlorogenic acid in Shuangshiqingre oral solution.

目的测定双石清热合剂中绿原酸的含量。