With the development of computer technology, the modeling and simulation of rectifying process already become the mainly tools on chemical technological design and operation.
随着计算机技术的飞速发展，精馏过程的模型化与仿真已成为化工工艺设计和操作分析的主要工具。
This paper presented a survey of chemical technology research and global development overseas.
介绍国外化工技术研究与开发全球化的概况。
The status of natural gas chemical industry and the development of chemical technology inland and abroad are summarized.
概述了国内外天然气化工的现状和化工技术的开发情况。
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