石油产品。中间馏分产品中芳香烃类的测定。用折射指数检测的高性能液相色谱法。
Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractive index detection.
调查东北某工业城市大气颗粒物质和多环芳香烃类化合物的浓度以及它们的致突变活性。
To investigate concentrations of polycyclic aromatic hydrocarbons (PAH) in Ambient particulate matter and their mutagenic activities in an Industrial Area of Northeastern China.
作为优选的实施方式之一,使用蒸馏塔将在上述脱水反应中生成的水与芳香烃类有机溶剂共沸除去。
As the one of the preferred embodiment, the method USES hog still to remove water and aromatic hydrocarbon organic solvent azeotropy generated in the dehydration reaction.
由于石油的主要成分包括饱和烃、芳香烃类化合物、沥青质、树脂类等,这些物质难以降解,并且对水生生物有毒杀作用。
The main components of oil are saturated hydrocarbons, aromatic compounds, asphaltenes, resins, and so on. It is difficult to degrade these substances which are bad for aquatic life.
本文对12种常见的机动车尾气进行采集,对样品分析发现,机动车尾气中主要的有机成分包括烯烃、烷烃、芳香烃类物质。
Through sampling and analyzing the 12 kinds of familiar vehicle exhaust, it is found that the main organic compounds of the vehicle exhaust include olefin, alkane and dutrex.
本文对12种常见的机动车尾气进行采集,对样品分析发现,机动车尾气中主要的有机成分包括烯烃、烷烃、芳香烃类物质。
Through sampling and analyzing the 12 kinds of familiar vehicle exhaust, it is found that the main organic compounds of the vehicle exhaust include olefin, alkane and dutrex.
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