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1·The GC-MS analysis also shows a declination of heavy normal alkane in the degraded oil.

通过气相色谱分析，发现原油中烷烃组分发生变化，正构烷烃碳数分布曲线向轻组份方向移动。

2·In Indonesia this would mean putting palm-oil plantations not on forest land but on degraded land, of which it has perhaps 40m hectares available.

在印尼，这将意味着将油棕榈树种植园建立在退化土地，而非林地之上，该国可能拥有4000万公顷可用退化土地。

3·Mineral oil based quenching oil is not a green quenchant because it produces hazardous substance during service and wasted oil is difficult to be degraded.

矿物油基淬火油在使用中会产生有害物质，且废油难以降解，不属于绿色淬火介质。

4·The oil sand bitumen was formed by the biologically degraded crude oil which originates from terrigenous organic matter.

结果表明，其为陆源湖相有机质生成的原油经生物氧化降解形成的。

5·An experiment was conducted using gas chromatography to study then-alkanes in No. 20 diesel oil, which was degraded by the natural strains of microorganisms from the Bohai Sea.

本文运用气相色谱法，对渤海微生物自然混合菌群降解20号重柴油中的烷烃的能力进行了实验室研究。

6·Results indicate that the crude oil was degraded fastest when the 4 types of microbes increased.

结果表明，在4株微生物数量都增加的时候，石油烃的降解速度最快。

7·And the components and content of oil have all changed: some of hydrocarbons with the higher boiling point are degraded into low-carbon hydrocarbons with low boiling point.

石油的组分及各组分的含量都发生了变化：其中一些沸点较高的烃类都降解成了沸点较低的低碳烃类。

8·She also stressed that it's essential to identify what happens when oil is degraded.

她也强调识别油分解时发生了什么十分关键。