化学发动机跟航天飞机使用的发动机类似，都是用液氧和液氢作燃料。

The idea for the chemical engine is similar to that used on the space shuttle, liquid oxygen and liquid hydrogen.

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综述了车用燃料油吸附法深度脱硫的技术及吸附机理，主要包括物理吸附脱硫、化学吸附脱硫、络合吸附脱硫和选择性吸附脱硫等。

The effect of physical adsorption depended on polarity of sulfur and was not expected to be very selective for sulfocompounds in vehicle fuel oil and subsequent deep removal of sulfur.

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廉价的天然气搅乱全球化学品·能源生产市场，对运输用燃料市场的影响度尚小。

Cheap natural gas is disrupting the chemical and energy production markets, and impact on the transportation fuel space has been minimal.

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