The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.The cloud might be snowing ethane snowflakes into methane lakes below.云层可能正在向下面的甲烷湖飘落乙烷雪.BA 1...

dimethoxymethane的音标：dimethoxymethane的英式发音音标为：[daɪmeθɒksɪ'meθeɪn]dimethoxymethane的美式发音音标为：[daɪmeθɒksɪ'meθeɪn]...

n.二溴甲烷...

dichlorofluoromethane的音标：dichlorofluoromethane的英式发音音标为：[daɪklɔ:rəflʊərə'meθeɪn]dichlorofluoromethane的美式发音音标为：[daɪklɔrəflʊərə'meθeɪn]...

n.乙硫醇...

The variation of the desorption activation energy of dichloromethane on activated carbons was discussed hardbase ( HSAB ) princi.主要研究了金属离子改性活性炭对二 氯甲烷 脱附活化能的影响.Antioxidant activities of six spice materials have been measu...

ethanethio的音标：ethanethio的英式发音音标为：[eθeɪn'θaɪəʊ]ethanethio的美式发音音标为：[eθeɪn'θaɪoʊ]...

碘代甲烷...

Bethanechol is of value in certain cases of postoperative abdominal distention and gastric atony or stasis.氨甲酰甲胆碱对于术后腹胀和胃张力缺乏或停滞的某些病例有效....

diazidoethane的音标：diazidoethane的英式发音音标为：[daɪəzɪdə'eθeɪn]diazidoethane的美式发音音标为：[daɪəzɪdə'eθeɪn]...

boroethane的音标：boroethane的英式发音音标为：[brə'ʊeθən]boroethane的美式发音音标为：[brə'ʊeθən]...

氯乙烷，乙基氯...

二氯碘甲烷...

n.二苯基甲烷...

Methane gas does collect in the mines around here.周围的矿井里的确有沼气聚积。The ignition of methane gas killed eight men.甲烷起火，致使8人丧生。Methane and propane are alkanes.甲烷和丙烷是烷烃。...

The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.The method and the condition of separation epoxy ethane from dihydric alcohol are described.介...

n.偶氮甲烷...

azomethane的音标：azomethane的英式发音音标为：[əzəʊ'mi:θeɪn]azomethane的美式发音音标为：[əzoʊ'miθeɪn]...

azoethane的音标：azoethane的英式发音音标为：[əzə'ʊeθən]azoethane的美式发音音标为：[əzə'ʊeθən]...

n.二甲氧基甲烷...

n.乌拉胆碱，氨甲酰甲胆碱（用于治疗胃或尿潴留）...

hexaphenylethane的音标：hexaphenylethane的英式发音音标为：[heksəfənɪ'leθæn]hexaphenylethane的美式发音音标为：[heksəfənɪ'leθæn]...

n.一溴三氟甲烷...

lethane的音标：lethane的英式发音音标为：['leθeɪn]lethane的美式发音音标为：['leθeɪn]...

ethanediol的音标：ethanediol的英式发音音标为：[i:θeɪni:'daɪəl]ethanediol的美式发音音标为：[iθeɪni'daɪəl]...

diiodomethane的音标：diiodomethane的英式发音音标为：[daɪaɪədə'meθeɪn]diiodomethane的美式发音音标为：[daɪaɪədə'meθeɪn]...

chloromethane的音标：chloromethane的英式发音音标为：[klɔ:rə'meθeɪn]chloromethane的美式发音音标为：[klɔrə'meθeɪn]...

aminomethane的音标：aminomethane的英式发音音标为：[æmaɪnəʊ'meθeɪn]aminomethane的美式发音音标为：[æmaɪnoʊ'meθeɪn]...

乙二磺酸盐...

difluoromethane的音标：difluoromethane的英式发音音标为：['daɪflʊərəʊmi:θeɪn]difluoromethane的美式发音音标为：['daɪflʊəroʊmiθeɪn]...