This paper introduced the calibration of digital light scattering dust test instrument and mentioned some key points in measurement process.

文中介绍了光散射式数字粉尘测试仪各项指标的具体标定方法，并结合实际应用，总结了使用过程中应注意的事项。

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Since the digital light scattering dust test instrument is quite steady, sensitive and convenient in measurement, it can be used in many kinds of dust testing applications.

由于光散射式数字式粉尘测试仪性能稳定、灵敏度高，测量方便而广泛的应用于各类测尘应用。

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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