The paper presents a kind of field bus control system based on FCS to realize integrative management and control system for the intermittent chemical production process.
提出一种基于FCS的现场总线控制系统，来实现对化工间歇生产过程的管控一体化。
Currently, in the actual production, MRP system is calculated on a time span through sub-total demand and net demand, and to express the demand for materials with the intermittent time series.
目前，在生产实际中，MRP系统是通过计算按时间分段的总需求和净需求，并以间断的时间序列来表达对物料的需求。
The desalting regeneration system is revamped by using the magnesium tail water from the intermittent nitric acid production unit to replace hydrochloric acid as the cation bed regenerant.
使用间硝生产中产生的镁尾水替代盐酸作为阳床再生剂对除盐再生系统进行改造。
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