The higher lactose content in 2 layerwas, the more slowly 1 and 2 released in hydrophilic gel matrix DLT, while in mixed matrix DLT, 1 released more rapidlyand 2 released more slowly.

• 2层乳糖用量越大,凝胶骨架双层片中1与2释放越慢,而混合骨架双层片则1加快,2减慢;