Collagen is one of the important and polyfunctional protein from pig skin.
胶原蛋白是猪皮中含量较高，活性较为重要的一种蛋白质。
The temperature field and velocity field in a polyfunctional hall with floor air supply was measured.
实测了采用下送风空调方式的某多功能厅的温度场和速度场。
Objective: To extract keratin of donkey skin for the preparation of colla corii Asini by polyfunctional extraction apparatus.
目的：采用多功能提取罐对阿胶制作时驴皮胶朊蛋白质进行提取。
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