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首页> 外文会议>Proceedings '96 China-Japan symjposium on particuology >A NEW SIZING TECHNIQUE OF FINE POWDERS DISPERSED IN AIR
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A NEW SIZING TECHNIQUE OF FINE POWDERS DISPERSED IN AIR

机译：散布在空中的细粉的新定径技术

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We have recently developed a sizing technique of fine powder combining a boiling method with a DMA (differential mobility analyzer)-CNC (condensation nucleus counter) system. By the boiling method, particle aggregates are broken up into their primary particles, and then the particle size distribution is accurately measured by the DMA-CNC system. In the present work, we have applied this method to the particle size measurement of several kinds of fine powders including tightly coagulated particles and nonspherical particles (needlelike and flakelike particles). The measurement results are in good agreement with those obtained by electron microscope and centrifugal sedimentation method.
机译：最近，我们开发了一种细粉的上浆技术，该技术将沸腾方法与DMA（差分迁移率分析仪）-CNC（冷凝核计数器）系统相结合。通过沸腾法，颗粒聚集体被分解成它们的初级颗粒，然后通过DMA-CNC系统精确地测量粒度分布。在目前的工作中，我们已经将该方法应用于包括紧密凝结的颗粒和非球形颗粒（针状和片状颗粒）在内的几种细粉的粒径测量。测量结果与电子显微镜和离心沉淀法测得的结果吻合良好。

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