This process produces toxic components, such as Xiao Yang acid (HOC6H4COOH) and pine terpenes, volatile as gas.

这过程会产生有毒成份如小杨酰（HOC6H4COOH）和松萜，挥发为烟气。

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Exposure to public nervousness is a cost of doing business in the nuclear industry, just as exposure to volatile prices is a cost in the gas industry.

暴露在公众的紧张中是在核工业运营公司的成本，就像暴露在反复无常的价格上是天然气工业的成本一样。

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As the organic gas released more first than volatile during combustion of coal, Organic calcium promote the ignition property of coal , improved whole combustion characteristics.

添加有机钙后，煤粉燃烧过程中挥发份析出时间提前，煤粉易于着火，燃烧稳定，整体燃烧性能优于原煤。

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Kevin Daly of Goldman Sachs thinks there are modest grounds for optimism: the sectors that shrank most this time, such as oil and gas, are notoriously volatile, whereas those that grew, such as services, may be seeing sustainable improvement.

ECONOMIST: Economic stumbles

Preventing leaks also cuts back on other air pollutants associated with gas production and use, including such volatile organic compounds as ethane and butane.

WSJ: Is Natural Gas the Road to a Clean Energy Future?

In fact, the Committee on Climate Change warns that relying heavily on gas for future electricity supplies would leave households vulnerable to higher bills in the long run as the price of gas on the international market is volatile.

BBC: Gas fracking: Ministers approve shale gas extraction