尿液是无菌的。Urine is sterile.这个盖子严实地盖在奶瓶上,保持奶嘴无菌.This top fits over the bottle and keeps the teat sterile.手术室应该是个无菌的环境.An operating theatre should be a sterile environment....
儿茶酸还可能预防致癌物质引起的DNA损伤.Cate - chins may also prevent DNA damage caused by carcinogens.结果: 在TLC色谱中可检出冰片 、 儿茶的特征斑点.Results: Borneolum yntheticum, Catechu ould be identified by TLC.儿茶酚还可能预防致癌物质引起DNA损伤.Catechins may also preve...
目的: 探讨氟喹诺酮类抗菌药后效应及其合理应用.OBJECTIVE : To probe into the after - effects and rational use of fluroquinoloncs.重点产品: 甲砜霉素 、 氟苯尼考 、 强力霉素 、 喹诺酮类.Key products: A thiamphenicol, florfenicol test, doxycycline, the quinolones.对喹诺酮类...