为了使纳米陶瓷具有优良的性能，必须要有高纯度、化学组成均匀、颗粒大小能满足要求且粒度分布较窄的纳米陶瓷粉体作为原料。
In order to possess these excellent characters, nano-ceramic particles must satisfy high purity, well-distributed chemical component, proper granule size and narrower distribution.
以AOT改性氧化镁可使氧化镁表面与AOT发生化学键合，从而可得到分散性好、更加稳定，粒度更均匀的纳米氧化镁颗粒。
Modifying the magnesia with AOT, can make the surface of magnesia connect with AOT by chemical bond, obtaining more stably and equally nanomagnesia particles.
结果表明：名义尺寸相同而实际尺寸相差较大的磨球所磨出的粉体粒度大且分布不均匀，烧结体硬质相颗粒粗大且等轴性差，抗弯强度和硬度均较低。
It is found that the grain size of the powders milled by balls with different diameters is big, the hard phase is big too and not uniform, the hardness and bending strength are also lower.
锻锤开坯方式不同其共晶碳化物均匀度、颗粒度有很大的差异。
Different forging hammer cogging-down way will lead to different evenness degree and graininess of eutectic carbide.
颗粒分布上，粒度均匀，粉粒含量高达80%以上；
In the distribution of grain, it is epigranular, and the content of silt is more than 80%.
WC晶粒度的分散性与原始W颗粒度的均匀性有关，对于粗W粉，其颗粒完整性对WC的晶粒度有影响；
The scatter of WC grain fineness is referred to the fineness homogeneity of raw material W particle and the fineness of grain is influenced by the surface perfectness for thick W pattiel- es.
性能：呈浅棕褐色，韧性高，颗粒形状好，粒度组成均匀。
Property: it % is light brown and features high toughness and well-shaped grains, regular and even grit sizes.
此外墨水中颜料炭黑颗粒粒度分布也较为均匀，墨水灌制成笔后划线书写线条饱满。
In addition, the particle size distribution of the carbon black pigment in the ink is more uniform. And the pens filled with such gel ink behave good writing performance.
本发明制备的颗粒粒度均匀、流动性好、压缩成形性好，可进一步制成口服固体制剂。
The granules prepared by the method has even granularity, and good liquidity and compression formability, and can be further prepared into oral solid preparation.
结果表明：所制备的样品为纯相，样品颗粒度均匀，晶界清晰，品质较高；
The results indicated that: The prepared sample is pure phase, the sample particle size uniformity, grain boundary clear of higher quality;
结果表明：所制备的样品为纯相，样品颗粒度均匀，晶界清晰，品质较高；
The results indicated that: The prepared sample is pure phase, the sample particle size uniformity, grain boundary clear of higher quality;
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