是指增加纸张湿强度所用的化学助剂。通常情况下，在不添加助剂时，纸张被润湿后其强度仅为干燥时强度的5%～10%。
叙述了改性氨基树脂湿增强剂的制备及应用。
This paper introduces the preparation and modification of the amino resin as paper wet strength agent and coating water-repellency agent.
目的：对比胶囊剂制备过程中不同干燥工艺对有效成分及制剂质量的影响，并通过优化辅料增强制剂的抗湿性和稳定性。
Objective:To compare the results which were obtained by using two different drying methods on Kang Ganmao capsule and to optimize excipient to enhance its stability.
通过实验，研究了几种外加剂对湿塑性水泥土的增强作用及其增强机理。
By experiment, the strengthening effect and mechanism of several additives to the humid-plastic cement soil are studied.
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