... 烤烟追肥 topdressing for tobacco 粉末制备 preparation of powder 酸性污泥 acid sludge ...
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本发明提供一种循环式雾化金属粉末制备方法和装置。
The invention provides a preparation method of circulating atomization metal powder and a device thereof.
结果表明，延长烧结时间或用湿化学法制得的粉末制备样品，其均匀性好，仅表现出体的超导电性。
The results indicated that the samples fabricated by wet -chemical method or by longer sintering time had better homogeneity and showed bulk superconductivity.
用硅烷偶联剂对羟基磷灰石（HA）粉末进行表面改性，用改性后的HA粉末制备了HA/环氧复合材料。
The hydroxyapatite (HA) powder surface modified with silane coupling a gent was used to prepare HA/epoxy composite.
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