Saturday, September 23, 2023
Tuesday, January 23, 2024
Sunday, December 25, 2022
Saturday, September 17, 2022
问题:通常缓释、控释制剂中所含的药物量比相应普通制剂的一次剂量要多,且...
Saturday, September 17, 2022
Thursday, July 20, 2023
问题:请举例说明“有效数字的首位数字为8或9时,其有效位数可以多计一位”及“在相对标准偏差(RSD)中,采用[只进不舍]的原则”。...
Thursday, October 5, 2023
Wednesday, March 1, 2023
Wednesday, March 1, 2023
Thursday, January 19, 2023
Saturday, September 17, 2022
问题:简述未用的薄层板在存放期间被空气中的杂质污染后,应怎样处理?...
Sunday, October 9, 2022
Saturday, September 17, 2022
Saturday, September 23, 2023
Saturday, September 17, 2022
问题:Kober反应用于含量测定的药物为()A、维生素EB、雌激素C、维生素CD、链霉素...
Thursday, February 16, 2023
Thursday, February 16, 2023
Tuesday, September 13, 2022
问题:维生素C显酸性,是因为分子结构中具有()A、羰基B、双键C、氢键D、连烯二醇...
Wednesday, September 6, 2023