The problems existed in particle size distribution, chemical composition and producing of domestic synthetic test dust are also proposed.

详细列出了国内人工尘在粒径分布、化学成分及研究制备方面尚存在的问题。

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To test this self-cleaning property, Guo and his team took ordinary dust from a vacuum cleaner and dumped it onto the treated surface.

为了测试材料的自洁性能，郭教授和他的团队将吸尘器里取出的普通灰尘洒在加工过的材料表面上。

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Research results have the guiding sense for the laboratory test and site application of dust control by air curtain.

研究结论对气幕控尘的实验室试验和现场应用具有指导意义。

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Curiosity has many "mouths" to taste test rocks or dust it vacuums up -- really, to analyze them chemically.

CNN: Curiosity opening Martian frontier?

Of course your calling area is limited only to those portions of the Anaheim WiFi rollout currently complete (Earthlink plans to eventually have 50 square miles rolled out when the dust settles), but Earthlink VP says their test handsets are running handoffs at up to 40 miles per hour -- which you know is remarkably fast if you've ever actually driven in Southern California.

ENGADGET: Earthlink's Anaheim muni WiFi getting VoIP phones

Next year, NASA is to launch a demonstration mission to test optical laser communications in conjunction with the LADEE (Lunar Atmosphere and Dust Environment Explorer) mission to the moon.

FORBES: Future Of NASA's Aging Deep Space Network Lies In X-Rays And Lasers