应急减灾措施 Emergency relief measures
紧急减压阀 emergency pressure reducing valve
紧急减负荷 emergency load shedding
防灾减灾应急预案 contingency plans for preventing and mitigating natural disasters
应急减灾法子 Emergency relief measures
急减广义函数 rapidly decreasing distribution
急剧减速 abrupt deceleration
减赤过急 abrupt deficit cut
急剧减少 reduce sharply
总结了当前在急冷油粘度变化和减粘剂减粘原理方面的研究进展；
And the research progress of mechanisms of quench oil viscosity changing and mechanisms of anfifoulant were summaned.
对乙烯裂解装置中急冷油粘度增长的原因及反应机理进行了分析，并在此基础上开发出JNJ - 3型急冷油减粘剂。
JNJ - 3 viscosity reductant for quench oil was developed on the basis of analyzing reasons for viscosity increase of quench oil in ethylene plant and its reaction mechanism.
指出提高减粘塔顶温度的同时增加参与减粘的急冷油喷淋量，降低减粘塔顶温差、控制好塔釜液面是进一步优化减粘塔操作的关键。
The key to optimize the operation of viscosity reducing tower was to increase properly the quenching oil spraying quantity, and at the same time keeping.
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