Subject words: particle, impinging stream, drying.

主题词：刨花，对撞流，干燥。

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The wake vortices of an impinging jet in crossflow were studied experimentally by means of laser-induced fluorescence (LIF) flow visualization and particle image velocimetry (PIV) measurement.

本文采用LIF(激光诱导荧光)流动显示和PIV(粒子图像速度场仪)测量对横流冲击射流的尾迹涡结构进行了实验研究。

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HMX with nanometer particle size and narrow particle distribution was successfully prepared by impinging method.

通过撞击法成功地制备出了窄分布的纳米级HMX。

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