Meanwhile, the measures for preventing it from caking are given and discussed, as well as the characteristics and using condition of five kinds of a special anti caking agent for ammonium nitrate.

• 对防止硝酸铵结块的几种途径进行了讨论，介绍了防结块剂的应用情况，并介绍了五种硝酸铵专用防结块剂的特点及其应用情况。