问题:一般品种留样考察数量应不少于1次全检量的()倍。...
Thursday, September 15, 2022
Tuesday, September 13, 2022
问题:巴比妥类药物与重金属离子的反应是由于结构中含有丙二酰脲基团。...
Tuesday, September 12, 2023
Thursday, September 15, 2022
Saturday, September 17, 2022
问题:复方APC片中,咖啡因的含量测定方法是间接碘量法。...
Saturday, September 17, 2022
问题:中药材由于生长环境,采收时间,储藏条件不同,有效成分含量可能有很大差异。...
Sunday, October 9, 2022
Thursday, September 15, 2022
Saturday, September 17, 2022
Thursday, September 15, 2022
问题:中国药典正文中所收载药品或制剂的质量标准的内容包括()。A、类别B、性状C、检查D、鉴别E、含量测定...
Tuesday, September 12, 2023
Saturday, September 17, 2022
Thursday, September 15, 2022
问题:肾上腺素中的特殊杂质是什么?药典采用什么方法对其进行检查?...
Tuesday, November 28, 2023
Saturday, September 17, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:四环素差向异构化是由于A环上手性碳原子C<sub>4</sub>...
Thursday, September 15, 2022
问题:烟酸片(标示量0.3g/片)的含量测定:取本品10片,精密称定总...
Saturday, September 17, 2022
Thursday, September 15, 2022