• 石油产品中间馏分产品芳香烃类测定折射指数检测高性能液相色谱

    Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractive index detection.

    youdao

  • 调查东北工业城市大气颗粒物质多环芳香烃类化合物浓度以及它们致突变活性

    To investigate concentrations of polycyclic aromatic hydrocarbons (PAH) in Ambient particulate matter and their mutagenic activities in an Industrial Area of Northeastern China.

    youdao

  • 作为优选实施方式之一使用蒸馏上述脱水反应中生成芳香烃类有机溶剂除去。

    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.

    youdao

  • 由于石油主要成分包括饱和芳香烃类化合物沥青质、树脂这些物质难以降解并且水生生物毒杀作用。

    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.

    youdao

  • 本文12常见机动车尾气进行采集,对样品分析发现,机动车尾气中主要有机成分包括烯烃、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.

    youdao

  • 本文12常见机动车尾气进行采集,对样品分析发现,机动车尾气中主要有机成分包括烯烃、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.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定