Coalformation strata is one of the basic geological condition for occurrence and form of Mingshui spring group.
煤系地层是明水泉群形成和存在的基本地质条件之一。
2
The influence of copper on PAHs formation from coal combustion under two different combustion condition was studied.
研究了两种燃烧方式煤燃烧过程中金属铜的添加对多环芳烃生成的影响。
3
Media conditionofcoal-bearing strata is the basis of formation and growth of geologic structures. It has an important effect on the development of faults in coalbed.