河南省下二叠统山西组二1煤煤层气地质特征_中国矿权网_全国矿权网上交易中心 关键词 煤层 煤层气 含气量 地质特征 [gap=1246]Keywords coal seam;coalbed methane;gas content;geological characteristics
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...瓦斯含量预测研究-理工科技论文-论文中国 关键词：瓦斯含量；灰色关联度；神经网络；预测模型 [gap=1100]Key words:gas content; gray relational grade; neural network; prediction model ...
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seam gas content 煤层的瓦斯含量
gas content in coal seam 煤层瓦斯含量
gas content by burning 燃烧发气量
Gas content in oil 油中含气量
coalbed gas content 煤层气含量
Gas content of more than eight m3/t is predicted to area of coal and gas outburst hazard.
瓦斯含量大于8m3/t的区域预测为突出危险区。
参考来源 - 七星矿井瓦斯地质规律与瓦斯预测Of course,more gas content in molten steel causes that steel billets come into being the subcutaneous bubble is also important reason.
当然,次要原因的根源还在于钢水气体含量高导致铸坯存在皮下气泡。
参考来源 - Q235B热轧钢带冷弯开裂原因分析及措施Otherwise, the research preliminarily discussed the construction variability of road cement concrete, measured and analyzed the layer phenomenon of water content and gas content.
此外,研究中还初步探讨了道路水泥混凝土的施工变异性,测试分析了道路混凝土中含水量及含气量的内、外分层现象。
参考来源 - 道路水泥混凝土施工流变性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The problem is that since the increase in the gas content did not occur abruptly, there is no clearly discernible boundary layer.
问题是，气体含量的增加不是突然出现的，因此没有清晰可辨的边界层。
The shale gas content is the key factor for shale gas assessment and core area evaluation.
富有机质页岩含气量是页岩气资源评价和有利区优选的关键参数。
Lastly, it is pointed out that the middle region with high gas content is a favourable target for exploration of coalbed methane.
最后指出中部高含气量区是最有利的煤层气勘探靶区。
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