产生上述的差异主要与煅烧对催化剂颗粒度、分散性及酸碱性的改变有关。
That the calcination process will change the graininess, dispersity and acidity-basicity of the catalyst can explain the discrepancy of the above phenomena.
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.
通过沉降时间观察其分散性，采用激光粒度仪、扫描电镜、原子力显微镜对分散效果进行进一步分析。
Then the dispersity was evaluated with settlement time. And laser particle size analyzer, SEM and AFM were employed to confirm the results.
本品具有粒度均匀，分散性好的优点，在去离子水和明胶中分散良好，无絮凝沉淀物。
It has even particle size and good dispersion, dispersed well in deionized water and gelatin, no flocculated sludge.
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.
本发明得到形貌可控、粒度分布窄，分散性良好的超细粉体颗粒。
The present invention can obtain superfine powder with controllable shape, narrow size distribution and high dispersivity.
多层片式电感器(MLCI)所用铁氧体材料，其粒度的均匀、正态分布水平，是影响元件成型过程中分散性的关键因素。
Particle uniformity and normal distribution of ferrite powder used in multilayer chip inductor are the key factors affecting the electronic component shaping.
由于传统制备方法的限制，纳米粒子往往存在粒度分布不均、分散性差等问题，且无法对纳米粒子的微观形貌做到精细控制。
However, due to the limitations of the traditional preparation methods, it is difficult to get nanoparticles with uniform diameters, and to control the morphology elaborately.
由于传统制备方法的限制，纳米粒子往往存在粒度分布不均、分散性差等问题，且无法对纳米粒子的微观形貌做到精细控制。
However, due to the limitations of the traditional preparation methods, it is difficult to get nanoparticles with uniform diameters, and to control the morphology elaborately.
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