凝胶层:gel layer 由聚合度较大，不溶于乙醚，可能还具有支链或交联结构的橡胶烃分子聚集而成的橡胶粒子的中间层。
结果表明，膜污染主要是由膜表面凝胶层造成的；
The result indicates that the fouling of membrane is mainly formed by gel polarity on surface of the membrane.
所述呈足跟形状的基体包括结构凝胶层，该凝胶层具有脚接收表面和鞋侧表面；
The heel-shaped substrate comprises a structural gel layer having a foot receiving surface and a shoe side surface.
亲水凝胶骨架缓释片的释药过程与相转变过程、凝胶层屏障及区域前沿移动行为密切相关。
The phase transition, barrier function and front movement of the gel layer are closely related to drug release process of hydrophlic gel matrix sustained-release tablets.
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