coal tar-pitch的意思|示意

A pitch mesophase can be prepared from petroleum pitch and coal tar pitch.

从石油沥青和煤沥青中制取沥青中间相物质。

Methods of modified coal tar pitch for preparing high specific surface area activated carbon were studied.

研究了用于制备高比表面积活性炭的改质煤沥青的调制方法。

Both the oxidation resistance and the electrical conductivity of the pitch coke can be improved when a suitable amount of activating agent is added in the coal tar pitch.

初步探讨了活化剂的加入对煤沥青的焦化活性、沥青焦的结构、氧化活性和导电性的影响。

The performance and usage of coal-tar asphalt were introduced. Meanwhile, it was assumed the excellent characteristics, mechanism and technology of the modified coal tar pitch.

介绍了煤沥青的性能、用途以及有广泛用途的煤焦油改质沥青的优异特性，改质机理和生产工艺；

The article aims to reduce carcinogenic PAHs of coal tar pitch.

本文研究了用聚合物与煤焦油沥青反应减少其中的致癌多环芳烃。

Bulk graphite was prepared from calcined coke and coal tar pitch precursors by hot pressing and graphitization.

用煅烧石油焦和煤沥青为基本原料，采用热压和石墨化工艺制备了几种纯石墨材料。