结果：在亲水的高分子凝胶基质中，离子形式的双氯芬酸钠扩散速率大于分子形成的扩散速率。
RESULTS:The diffusive rate of diclofenac sodium from the two kinds of hydrophilic polymer gel was higher than that of diclofenac acid.
纳米水凝胶是一种水溶胀性的，具有交联结构的亲水纳米高分子 材料， 因其含水量高、溶胀快、生物兼容性好等优点得到广泛研究及应用。
Nanogels are sub-micron size, water-swellable cross- linked structures of hydrophilic polymers. They have the ability of absorbing large quantities of water, swelling quickly and biologic consistence.
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