The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环氧乙烷与二元醇的分离方法和条件。

Under the same chrmatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

首次报道了丁草胺和西草净在同一色谱条件下的气相色谱定量分析。

This paper discribes electrosparking machine controller with 8031 SCP and it's implementation of aoftwate and hardware.

介绍由8031单片机组成的电火花成型机床控制器及其软、硬件配置.