... pulse repetition rate 脉冲重复频率 pulvered structure 粉末结构 pulverization 粉碎 ...
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用扫描电镜（SEM）分析了粉末结构及制备工艺对涂层显微组织的影响。
The effects of material structure and preparation process on microstructure of the coating were studied by SEM.
阐述了生物矿化作用机理及其主要的生物控制因素，介绍了模拟生物矿化控制超细粉末结构形貌的三个途径，并展望了其发展趋势。
Three main approaches controlling structure and morphology of ultrafines by modeling biological mineralization are introduced, and its development is looked for ahead.
当制造过程结束，材料凝固，为凝固的粉末被喷气头吹掉，这样，整个的结构就显现出来了。
When the process is complete and the material is set, the loose powder is blown away with an air jet to reveal the completed structure.
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