The light-off performance of automotive catalytic converters is very important for the stringent vehicle emission regulation.

车用催化转化器的起燃特性对满足日益严格的排放法规是至关重要的。

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The effects of converter position, ignition timing and idle speed on catalytic converter light-off behavior were studied on an electronically controlled LPG injection engine.

研究了电控LPG发动机的催化转化器安装位置、点火提前角和怠速转速对催化转化器快速起燃的影响。

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You should be able to identify the major parts of a boiler and its functions. Also, you will learn about safety precautions that must be observed during boiler light-off.

你需要能区分锅炉的主要构成部件以及相关功能，同时在锅炉起燃过程中了解相关安全预防措施也是必不可少的。

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They used light-sensitive molecules to turn on and off nerve cells in the deep brain structure of mice.

VOA: special.2009.04.07

They were not hot enough -- like stars-- to give off light.

VOA: special.2009.04.29

Soon after a light sell-off began, more pressure was added to the euro when the European Central Bank (ECB) reported that M3 Money Supply remained steady at 0.2% growth.

FORBES: Greenback Gives Ground, Loonie Lurks Higher

These slightly deeper quartz grooves result in light-wave phases that are slightly off-kilter from the light waves that pass through shallower grooves.

FORBES: Trick of the Light

With Eclipse Aviation test pilot Terry Tomeny sitting in the right seat, I flew the newly certified Eclipse 500--the pioneer in a new category of "very light jets"--off Albuquerque International Sunport's runway 8.

FORBES: Magazine Article