The cause and harmfulness of blowout out of control in the oil and gas fields are analyzed in this paper.
本文简要分析了油气田井喷失控的原因和危害。
Introducing the status of vehicle discharged gas in Shanghai and its harmfulness, this article puts forward recent management measures.
介绍了当前上海机动年排气污染的状况、危害，提出了近期管理的措施。
Through a mathematical analysis of main fire causes, the harmfulness of smoke and gas in expanding catastrophes was clarified while corresponding measures were proposed.
通过对火灾重要危险源的数学分析，阐述了在大型火灾发生时期，烟气对于灾害扩大的危害性，并提出了相应的解决措施。
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