China was the first country in the world to synthesize crystalline insulin, a bioactive protein.中国在世界上最早用人工方法合成一种有生物活力的蛋白质--结晶胰岛素.Microorganisms can produce many beneficial bioactive substances through secondary metaboli...
Ru is comprised of bioactive protein and polypeptide which is extracted from colostrum.乳珍是从母牛的初乳中提炼的生物活性蛋白及多肽.Starfish contains different types of bioactive materials, such as proteins, enzymes, steroidal glycosides , ga...
乳牛的喂养方法发生了巨大的改变。The feeding of dairy cows has undergone a revolution.不能既想卖乳牛,又想喝牛奶.You cannot sell the cow and sup the milk.大多数乳牛约10个月后就不再有奶了.Most cows run dry in about 10 months....