A specific procedure was followed to freeze and freeze-dry the juice to obtain vacuum freeze-drying curve.
然后按照一定的升温程序对苦瓜汁进行了冻结与升华干燥，并得到了苦瓜汁的真空冻干曲线。
Making the extracted four kinds of collagen as original liquid, we obtained the corresponding collagen sponge by vacuum freeze-dry.
以这四种胶原提取液为母液，使用真空冷冻干燥法，得到相应的胶原海绵。
Then, a certain procedure was followed to freeze and freeze - dry the juice to obtain a vacuum freeze - drying curve of it.
然后按照一定的升温程序对苦瓜汁进行了冻结与升华干燥，并得到了苦瓜汁的真空冻干曲线。
Then, a certain procedure was followed to freeze and freeze - dry the juice to obtain a vacuum freeze - drying curve of it.
然后按照一定的升温程序对苦瓜汁进行了冻结与升华干燥，并得到了苦瓜汁的真空冻干曲线。
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