Saturday, September 17, 2022
问题:通过降低在水中的溶解度而达到分离目的的方法是()...
Thursday, September 22, 2022
问题:治疗心火上炎,口舌生疮,小便不利病证。首选的药物是( )。...
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:在下列生物碱的酸水提取液中用三氯甲烷萃取,最易萃出的生物碱是()...
Wednesday, September 21, 2022
Saturday, September 17, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:香豆素类成分如果能水解后发生GibbS反应,说明具有( )。...
Wednesday, September 21, 2022
Friday, September 16, 2022
Thursday, September 15, 2022
问题:燥屎不行,下之不通,口干唇燥,舌红苔黄,脉数者,治宜选用()...
Thursday, September 22, 2022
Thursday, September 22, 2022
Friday, September 16, 2022
Thursday, September 15, 2022
Thursday, September 22, 2022
问题:源于橘的干燥幼果或未成熟果实的干燥果皮的药物是()...
Tuesday, September 20, 2022
问题:两相溶剂分配法分离混合物中各组分的原理是( )。...
Wednesday, September 21, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022