1) light coal
轻煤，气煤，瓦斯煤
2) coalbed methane(coalbed gas)
煤层气(煤矿瓦斯)
3) coal mine gas
煤矿瓦斯气
1.
The technologies of removing oxygen from coal mine gas for methanol production;
用于甲醇生产的煤矿瓦斯气的除氧工艺
4) coal seam gas
煤层瓦斯
1.
The actuality of drawing coal seam gas and the suggestions to exploit the gas in Jincheng coal bureau;
煤层瓦斯抽放现状及对晋城矿区瓦斯开发的建议
2.
Borehole sealing mechanism and a new technology for coal seam gas pressure test:a research
钻孔密封机理及新型煤层瓦斯压力测定技术研究
3.
Based on the analyzing of the fold and fracture influences to the coal seam gas occurrence,according to the evolution history of regional geology and tectonic characteristics in Huangling No.
在分析褶皱和断裂构造对煤层瓦斯赋存影响的基础上,根据黄陵一号煤矿的区域地质演化情况和地质构造特征,分析了影响黄陵一号煤矿2号煤层瓦斯分布的主要控制因素,并对井田深部煤层瓦斯的赋存状况进行了预测,对矿井后期的安全生产具有一定的指导作用。
5) coal mine gas
煤矿瓦斯
1.
Summarization on the vortex engine technique applied in coal mine gas generate electricity
应用于煤矿瓦斯发电的涡旋引擎技术概述
2.
Disaster prediction of coal mine gas based on rough set theory
基于粗糙集理论的煤矿瓦斯预测技术
3.
To the gas in coal mine underground environment,based on the optical absorption character of gas molecule in definite spectrum range,through the analysis of coal mine gas absorption spectrum,optical fiber sensing gas and system is suggested.
针对煤矿井下环境中的瓦斯气体,根据瓦斯气体分子在一定的波段对光有吸收特性,使光谱具有了瓦斯的特性,通过对煤矿瓦斯气体吸收光谱的分析,提出了一种光纤传感瓦斯气体及其系统。
6) Coal and gas
煤与瓦斯
1.
Research on the technology of protecting efficiently coal and gas from gushing;
高效防治煤与瓦斯突出技术的研究
2.
Based on the mechanism of coal and gas outburst,we construct the prediction model of BP neuro-network and make the composite factor of the coal and gas outburst as the feature vector.
从煤与瓦斯突出的机理出发,构建了多层BP神经网络预测模型,将煤与瓦斯突出的综合影响因素作为特征向量。
补充资料：轻煤
1.轻细的烟灰。古代制墨精料。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条