Heating this chemical compound drives off carbon dioxide gas, leaving calcium oxide.

这种化合物加热后会排出二氧化碳，产生氧化钙。

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While many will focus on methane's impact upon local wildlife, the compound, also known as marsh gas, also stands to affect climate.

许多人都很重视甲烷对当地野生动物的影响，此化合物，亦称为沼气，也会对气候产生影响。

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In the other incident, officials say a security guard shot and killed the Frenchman inside a compound of Austrian oil and gas company OMV near Sana 'a.

在另一起事件中，官员说，一名保安在位于萨那附近的奥地利石油天然气公司OMV的大院里开枪打死了一名法国人。

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Maybe you're not looking at a reaction, but you've got some new compound, and you're looking at it go from liquid to solid or to gas.

也许你研究的不是一个反应,但你得到了一种新的化合物,你看着它从液体变成了固体或气体。

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Police fired tear gas into the compound to disperse mourners and supporters, some of whom were taunting officers.

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The element to be purified is first incorporated into a chemical that can be turned into a gas. (In this case, the exact compound is still proprietary information.) Then an infra-red laser is shone through the gas.

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Police say the boy told the leaders he had forwarded the message without reading it to others in the middle-class compound for employees of the local gas company where he lived.

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