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.

youdao

渗透结晶外加剂能提高抗裂砂浆抗裂性，并赋予抗裂砂浆裂缝自修复性能。

The addition of capillary crystalline additive could increase the crack resistance of mortar, and endue the mortar with crack self-healing performance.

youdao