中药注射剂制备时药材的提取溶剂是
A.制药纯水B.自来水C.灭菌注射用水D.注射用水E.饮用水
参考答案:A
典型II型系统的时间常数T也是控制对象固有的,而待定的参数与典型I型系统相同()
ff an investment of $ 4000 will grow to $ 6520 in four years with monthly compounding, the effective annual interest rate will be closest to:()
A.11.21%.
B.12.28%.
C.12.99%.