Hydroxyapatite ceramic powder was synthesized by chemical coprecipitation process. The. maxillofacial bone materials were made by slip-casting. HP and HIP post-sintering method.

采用化学共沉淀法合成羟基磷灰石粉料，采用注浆成型、热压烧结及热等级压后烧结等工艺制备羟基磷灰石颌面骨材料。

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The processes of rapid forming solid parts by laser sintering ceramic powder include laser sintering and second sintering post treatment.

激光烧结陶瓷粉末快速成型三维零件的过程包括激光烧结和二次烧结后处理两个步骤。

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OBJECTIVE To study the prevention effect of sodium hyaluronate(SH) powder on post-operative dura adhesion.

目的研究透明质酸钠（SH）粉雾剂对动物术后硬膜粘连的预防作用。

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A blogger for the Huffington Post, Sedaei claims that writing served as a sort of white powder for him, which he could then throw over the invisible man and discover his shape.

VOA: standard.2010.06.15

In Thailand and the Philippines , people have been advised to inspect their post carefully for stains or powder marks before opening.

BBC: Asia hit by Anthrax scares