Test results of surface gas extraction technology from boreholes in the goaf in Zhangbei Coal Mine, Huainan Mining Group are introduced in the paper.
本文介绍了淮南矿区张北矿地面钻孔抽采采空区瓦斯技术的试验成果。
The main objective of this paper is to deposit a polymer nano-film containing functional group (carboxyl or amido) on titanium surface through low temperature plasma polymerization technology.
通过低温等离子聚合的方法，以丙烯酸为单体在钛表面沉积含有羧基的薄膜，以羧基为接入点固定纤维连接蛋白。
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