It is also determined by such factors as the kind of crystal lattice, the characteristics of chemical bond, the features of chemical composition, ionic radius and the others.

同时又受晶体的晶格类型、化学键的简繁程度，化学成份的特性及其复杂程度、离子半径等多种因素制约。

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Results show that some of these additives have good performance, which was mainly caused by the multiple effects of co-crystallization type, ionic radius, charges, ion stereo-structure and so on.

结果表明，几种添加剂对硝酸铵的晶变和抗结块性能有一定的改善，无机盐影响硝酸铵晶变和结块性的原因主要是结晶方式、离子半径、电荷数、离子构型等多种因素影响的结果。

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According to the periodic table, we selected 16 kinds of metal ions with different ionic charge, radius and electron shell structure in research.

根据元素周期表，选择了离子电荷、半径和电子层结构不同的16种金属离子进行研究。

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