| 1. | Methane may have extraterrestrial significance .
甲烷具有星际意义。 |
| 2. | They were able to nitrate methane to nitromethane .
他们能将甲烷硝化成硝基甲烷。 |
| 3. | Methane is said to be hydrophobic .
甲烷被称为疏水的。 |
| 4. | Methane is apolar .
甲烷是非极性的。 |
| 5. | Compounds such as methane can be cleaved to carbon and hydrogen .
象甲烷这样的化合物能分解为碳和氢。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | 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。 |
| 10. | It seemed that in methane there was twice as much hydrogen to 1 part of carbon as there was in ethylene .
看来甲烷中含有的氢是乙烯中的两倍，而碳的含量都是1份。 |
