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.
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.
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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