本文研究几种因素对产品硫酸钾铵结晶长大的影响，并在此基础上找到了使硫酸钾铵晶体颗粒长大的工艺条件。

Effect of factors on crystal growth of potassium-ammonium Sulfate is reported and technological conditions of crystal growth of potassium-ammonium sulfate are found also in this article.

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根据晶体生长理论，讨论了磁场影响纳米颗粒形核和长大过程的机理。

The mechanism of magnetic field effect on the nano particle nucleation and growth was discussed by crystal growth theory.

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纳米陶瓷材料具有许多优异的功能和特性，但在烧结过程中纳米颗粒容易长大，从而失去纳米特性。

Nano-phase materials have many unique characters from ultra-fine grains. However, nano-grains grows larger in sintering in order that nano-characters will be lost.

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