很多国家要求将化学工业的HAZOP（工艺危害分析）作为防止重大化学事故计划的一个重要部分。
Numerous countries require HAZOP (process hazard analysis) for the Chemical Industry as a critical part of programs for preventing major chemical accidents.
它也被制药企业用来评估工艺安全性危害。
It has also been used primarily in the pharmaceutical industry for evaluating process safety hazards.
文中重点叙述了低温设备内残留应力的危害，低温设备热处理的方法、工艺和加热温度的确定。
This article discusses the damage of interior residual stress to the low temperature equipment and heat treatment technology for the low temperature equipment.
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