About Tao Cheng
About Wuxi Res. Inst. of Petroleum Geology, SINOPEC, Jiangsu, Wuxi
About Sun Mingliang
About Lanzhou Inst. of Geology, Chinese Acad. of Sciences, Gansu, Lanzhou
About Liu Wenhui
About Wuxi Res. Inst. of Petroleum Geology, SINOPEC, Jiangsu, Wuxi
About Wang Xiaofeng
About Lanzhou Inst. of Geology, Chinese Acad. of Sciences, Gansu, Lanzhou
About Shiyou Shiyan Dizhi
About natural gas
About helium 4
About analysis(separation)
About mass spectrometer
About integration(accumulation)
About analytical method
About Isotope geology
About 天然ガス
About 分析