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...
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...
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....
介绍了几种形式自调匀整装置的功能和根据不同工艺流程、不同产品质量要求选择配置自调匀整装置的原则.This paper introduces functions of autolevellers and ruler of select autolevellers according to variable production quality.探讨了清梳联自调匀整系统的频率性能的推导和估计.The performance of cotto...