采用火灾爆炸指数法对天然气净化厂生产装置进行了安全评估。

Using the method of fire and explosion indexes, a safety assessment is made of the production device in a gas-cleaning plant.

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据统计全国煤矿中，具有煤尘爆炸危险的矿井占煤矿总数的60%以上，煤尘爆炸指数在45%以上的煤矿占16.3%。

According to national statistics, coal mines with coal dust explosion risks account for 60% of all coal mines, among which coal mines with explosion index over 45% accounting for 16.3%.

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在近代历史上只有一次火山爆发达到了7级的火山爆发强度指数，它的爆炸力是喀拉喀托火山爆发的10倍。

Only one explosion in recent history has made it to 7 on the Volcanic Explosivity Index – 10 times bigger than Krakatoa.

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