结合实际生产和复合蛋白酶的特性，本文研究了复合蛋白酶水解海参生殖腺的工艺及条件。
Considering the practical production and the characteristics of mixed protease, process and conditions for hydrolysis of gonad by mixed protease was studied.
锌主要通过影响多种酶来实现其对畜禽皮肤、生殖性能、腿部关节的多种作用，尤其是对鸡、猪和奶牛的作用较大。锌的用量过多过少，都会引起动物相应的营养代谢性疾病，甚至死亡。
By way of affection to enzymes zinc realize its multifunction to the derma, reproductive abilities and arthroses in domestic animals and poultry, especially to chicken, swine and cow.
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