采用酚试剂比色法并合理使用甲醛测量装置对甲醛含量进行了测定，测量结果的精度能够达到装置标称的5%。
We use of colorimetric phenol reagent and formaldehyde measurement devices for measuring formaldehyde, the accuracy of the measurement results can reach nominal 5% of the device.
通过软件编程的方式将复杂控制算法和软冗余切换程序嵌入到控制器中运行，并合理设计系统结构，解决了炼油装置的疑难控制问题。
Programming the complex control algorithms and soft redundancy switching to the controller, and design the system structure rationally, it solves the control problem in refinery.
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