The biogas produced from the controllable thermal cracking of the farming and forestry disposables was used as the fuel of the spark-ignition biogas engine.

利用农林废弃物可控热裂解产生的生物质气作为火花点火发动机的燃料，测量火花点火生物质气发动机的示功图，分析了生物质气的燃烧放热特性。

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The liquid product could be used as a heavy fuel or hydrotreating and cracking feed.

该液体产品可用作重燃料油或加氢处理和裂化的原料。

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In this paper technological process of catalytic cracking and catalytic reforming and post-processing of waste fat and oil are discussed to prepare the qualified liquid fuel oil.

本论文主要探讨通过废食用油脂催化裂解，裂解气催化改质，燃料油后处理的工艺，将废油脂制备成合格的燃料油。

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It also involves greater intelligence sharing aimed at cracking down on the flow of money and weapons into Mexico that helps fuel the drug trade, senior administration officials said.

CNN: Obama to beef up Mexico border policy