Second, the iscosity, density, surface tension and size of the spray droplets of binder solutions with different HPC concentrations were determined and wetting characteristics of the binders on the excipients were measured.

• 第二，对不同浓度的HPC溶液的黏性，密度，表面张力和雾滴大小进行测定，并测量黏合剂对辅料的润湿特性。