aromatic content

The aromatic hydrocarbons content in naphtha was analyzed by a chemical reaction method.

用化学分析方法测定了工业用石脑油中芳香烃的含量.

Fast Determination of Aromatic Hydrocabon Content and Olefinic Hydrocabon Content in Blended Gasoline by NIR Spectrometer

用近红外光谱仪快速测定调和汽油中芳烃、烯烃的含量

It is shown that tectonic stress is in favor of the chemistry environment transfer of hydrogen in coal, resulting in the decrease of aliphatic hydrocarbon and the increase of aromatic hydrocarbon in content, and accelerating the polycondensation and ordering of large molecules texture of coal.

结果表明，构造应力有利于煤中氢发生化学环境转移，使脂肪烃含量相对减少、稳定的芳香烃含量相对增加，促进煤大分子结构缩合度和有序度增加。

Extremely low aromatic content, ensuring no harmful to skin and no smell.

芳香烃含量极低, 确保不损皮肤及无刺激性气味.

The determination of content of diazonium salt in TITANOMETRY the problems of stability of aromatic diazonium compounds

亚钛还原法测定重氮氯化锌复盐的含量芳香重氮盐的稳定性问题