甲烷的英文：
methane (CH4)

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

methane series
【化】甲烷系

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

Methane is apolar
甲烷是非极性的。

methane may have extraterrestrial significance
甲烷具有星际意义。

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。

They may decompose glucose into hydrogen, carbon dioxide and methane
它们能把葡萄糖分解成氢气、二氧化碳和甲烷。

Mixtures of 5-14% methane in air are explosive and have caused many mine disasters.
空气中若混有5～14%的甲烷就有爆炸的危险，已经造成了许多矿井灾难。

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%。

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。

Cattle release methane when they digest their food.
牛在消化食物时，会释放出甲烷。

I've never seen volcanoes of methane.
我从未见过甲烷火山。

What do we know about methane?
关于甲烷我们知道什么？

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。

Mixtures of 5-14% methane in air are explosive and have caused many mine disasters.
空气中若混有5～14%的甲烷就有爆炸的危险，已经造成了许多矿井灾难。