1. 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。

-- 来源 -- 英汉 - 辞典例句

2. All are inoffensive as opposed to products of methane, carbon dioxide formed under strictly anaerobic conditions.
这些都没有毒性,这与严格地在厌氧条件下形成的甲烷、二氧化碳的情况相反。

-- 来源 -- 英汉 - 辞典例句

3. 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。

-- 来源 -- 英汉 - 辞典例句

4. 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。

-- 来源 -- 英汉 - 辞典例句

5. They were able to nitrate methane to nitromethane.
他们能将甲烷硝化成硝基甲烷。

-- 来源 -- 英汉 - 辞典例句

6. Methane may have extraterrestrial significance.
甲烷具有星际意义。

-- 来源 -- 英汉 - 辞典例句

7. 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。

-- 来源 -- 英汉 - 辞典例句

8. 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%。

-- 来源 -- 英汉 - 辞典例句

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。

-- 来源 -- 英汉 - 辞典例句

10. Methane is said to be hydrophobic.
甲烷被称为疏水的。

-- 来源 -- 英汉 - 辞典例句