Catalytic converters provide the method of treating exhaust gases. Catalytic converters are located in the exhaust system, between the engine and the muffler.

催化转换器提供一种处理废气的方法。催化转换器位于排气系统中，在发动机和消声器之间。

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The results show that Mid-IR spectral radiant intensity of exhaust system could be measured effectively by this method, thus offering a high value of engineering practicability.

结果表明：该测量方法能够有效地获得排气系统的中红外光谱辐射强度，具有工程实用价值。

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Exhaust unit, exhausting method, and semiconductor manufacturing facility with the exhaust unit.

排气单元，排气方法，和具有排气单元的半导体制造设备。

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Because hydrogen can clean the exhaust right from a cold engine start, the plasma reformer method is 20% to 50% more efficient at reducing NOx than other clean-diesel technologies, allowing less unburned fuel to pass through in the process.

FORBES: Clearing the Air