原焦油

... 原点位移 shift of origin 原焦油 crude tar ;primary tar 原煤制备 preparation of raw coal ...

There are many different methods available, but the two primary solutions are to use the basic cp tool or the tar tool.

有许多种不同的方法可以完成这个任务，但是主要的两种解决方案是使用基本的 cp 工具或 tar 工具。

The MCMB product with a narrower size distribution could be obtained by controlling the primary PI content in coal tar and the polymerization conditions.

通过控制原料中一次PI的含量及聚合条件，获得较窄粒径分布的中间相沥青炭微球。

The kinetics of mesophase formation from two sorts of coal tar pitch with different primary QI content is studied in this paper. The kinetic parameters are determined.

本文研究了两种原生qi含量不同的煤焦油沥青中间相形成动力学，测得了中间相形成动力学参数。