实验室方面的生物安全
酶竞争性抑制剂的特点是() ["Km<\/sub>值不变,Vmax<\/sub>降低","Km<\/sub>值不变,Vmax<\/sub>增高","Km<\/sub>值降低,Vmax<\/sub>降低","Km<\/sub>值降低,Vmax<\/sub>不变","Km<\/sub>值增高,Vmax<\/sub>不变"]
香附的临床应用于() ["胃痛","关节痛","头痛","肌肉痛","腰痛"]
枳实的临床应用是() ["子宫脱垂","早孕反应","流产","功能性子宫出血","以上均不是"]
打印机打印头的作用是()。 ["走纸","打印字符","色带移动","打印头左右移动"]
疫病防控方面的生物安全