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。

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.

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本文通过对盐岩单轴、三轴的强度与蠕变实验结果的分析，研究了应力状态对盐岩的强度及其时间相关性特征的影响。

Through uniaxial and triaxial compression and creep experiment of rock salt under on high temperature and high pressure, the strength and time dependent properties of rock salt are studied.

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