College of Resource Science and Technology/Key Laboratory of Environmental Change and Natural Disaster of Ministry of Education;
Beij'ing Normal University;
Beij'ing 100875;
China;
Key Laboratory of Petroleum Resources Research;
Institute of Geology and Geophysics;
Chinese Academy of Sciences;
Lanzhou 730000;
China;
Xi 'an Branch;
China Coal Research Institute;
Xi' an 710054;
China;
次生生物成因; 煤层气; 化学添加剂; 同位素分馏; 甲烷含量; 标记; 实验数据; 混合比例;