Firstly, this paper brings out the requirement of the Safety Instrument System in practical application and introduces the necessity of the PFD evaluation for SIS.

首先介绍了安全仪表系统在实际应用中的需求以及安全仪表系统的硬件失效概率评估的必要性。

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This paper introduces the safety instrument system and method of its safety level integrity of petrochemical industry, and discusses application scope of this method.

介绍了石化行业安全仪表系统及其安全完整性等级确定方法，并对方法的应用范围进行了说明。

youdao

Through introducing the contents of safety instrument system and its implementation in hydrogenated unit, how to reach the safe production of hydrogenated unit by using this system is definitized.

通过对安全仪表系统设计内容的介绍及在加氢装置中的实施，明确了如何利用该系统实现加氢装置安全生产。

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Now the defendants charge Honeywell with dirty tactics that are slowing adoption of the new safety instrument, the Terrain Awareness and Warning System.

FORBES: Cockpit Fight