甲烷

• This is a generally known method for obtaining phenylnitromethane from benzyl cyanide .
  从苯乙腈制取苯基硝基甲烷就用这个方法。
• The chlorofluoromethanes are used principally in aerosol spray cans and as refrigerants .
  氯氟甲烷主要使用在气溶胶喷雾罐和作为冷冻剂。
• The reactor and transfer line are rinsed with several small portions of methylene chloride .
  反应器和输送管线被用少量二氯甲烷洗涤几次。
• 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。
• A bottom layer of nickel catalyst was provided to promote the endothermic reaction of steam and methane .
  底层镍催化剂促进蒸汽和甲烷的吸热反应。
• resulted from the bacterial decay of cellulose in vegetable matter under water.
  水下植物体中的纤维素经细菌作用也产生甲烷。
• Coal-gas, obtained from the distillation of coal is mainly a mixture of hydrogen and methane .
  煤经蒸馏以后所得到的煤气主要是氢气和甲烷的混合物。
• One might expect azomethane to have a y structure similar to that of acetone(ch3)2co .
  可以预期偶氮甲烷分子具有和丙酮（CH3）2CO分子相似的丫形结构。
• recent evidence indicates that its surface consists of frozen methane at -240℃.
  最近的资料证明，它的表面含有240的冰冻甲烷。
• The variation in urine and methane production compensates partly for the plane of nutrition effect .
  尿液和甲烷气体的变化部分地代偿了营养水平的影响。