Both polyacrylamide (PAM) and body liquid are pseudoplastic fluid, in this paper, PAM aqueous solution has been used to study the diffusion behavior of the nutritious molecules in non-Newtonian fluid.

• 聚丙烯酰胺与生物体液均为假塑性流体,并且对聚丙烯酰胺的基本性质已经有明确的认识,本文采用聚丙烯酰胺水溶液作为非牛顿流体,研究营养类分子在非牛顿流体中的扩散。