本文提出一种利用光声技术同时在线测量CO浓度和烟雾消光的非接触式方法。

This paper presented a new non-contact method to meter co concentration and smoke optical density simultaneously and online based on photoacoustic technology.

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阐述了影响粉末涂料涂膜光泽的多种因素，并介绍了几种对粉末涂料涂膜进行消光的途径。

Factors influencing the film gloss of powder coatings are described. Matting approaches for several kinds of powder coatings are introduced.

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在黄铜上喷砂处理或在缎面镍上镀铬，可获得无光的缎面铬，是用作消光的防护—装饰镀铬。

In the brass sandblasting processing on or in satin nickel chrome, can obtain the satin chrome light, is used for the protection of extinction-decorative chrome-plating.

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