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1·It contains resmethrin, piperonyl butoxide and a petroleum distillate.

它含有灭虫菊，增效醚和石油馏出物。

2·Light petroleum distillate, generally known AS naphtha, wAS the logical choice.

轻石油馏分，如石脑油是合乎逻辑的选择。

3·A substance, such as a petroleum distillate, that is used as a catalyst, as in the spreading of an intentionally set fire.

催化剂，促媒一种可用作催化剂的东西，如石油蒸馏剂，可使纵火得以蔓延。

4·The numerical result calculated by the formula for estimating the cetane number of distillate fuels from American Petroleum Institute (API) gravity and midboiling point.

用美国石油学会比重度和中沸点估算馏分燃料十六烷值公式计算得到的数值结果。

5·Petroleum acids was removed from straight-run diesel distillate through chemical reaction and extraction under moderate conditions using an alkaline complex solution.

介绍了用一种碱性复合溶剂体系，在比较缓和的条件下，通过化学反应和抽提从直馏柴油中脱除石油酸的工艺过程。

6·The said catalyst can be used for hydrotreating process of fraction of petroleum, especially for hydrodesulphurization and hydrodenitrification process of middle distillate oil .

该催化剂可以广泛的用于石油馏分的加氢处理过程，特别适合于中间馏分油的加氢脱硫、加氢脱氮和加氢脱芳过程。