经超临界甲苯萃取过的沥青(SCFE沥青)丝毫不含导致小单元尺寸各向异性结构的喹啉不溶物(QI)。

Pitches extracted -with supercritical toluene (SCFE pitch) contained none of the quinoline insoluble (QI) matter responsible for anisotropic structures with small unit sizes.

youdao

研究了相转移催化剂(PTC)在液固相体系中，转移萃取非解离型中性分子氰化亚铜的过租。

Transfer of non dissociated neutral molecule CuCN in solid-liquid system by phase transfer catalysts is investigated.

youdao