Tuesday, September 12, 2023
Thursday, August 17, 2023
Thursday, August 17, 2023
Monday, October 30, 2023
Thursday, August 17, 2023
()不是重组人生长激素的临床引用。A、治疗侏儒症儿童及生长激素缺乏症B、促使葡萄糖向糖元的转化C、调节心肾功能D、用于延缓衰老改善运动能力...
Thursday, July 13, 2023
Tuesday, September 13, 2022
Friday, November 10, 2023
生物活性物质的常用提取方法包括()。A、用酸、碱、盐水溶液提取B、用表面活性剂提取C、用有机溶剂提取D、超临界萃取...
Friday, June 16, 2023
Friday, December 1, 2023
Thursday, February 16, 2023
Sunday, October 8, 2023
Friday, December 1, 2023
维生素K3中常加的稳定剂是()。A、氢氧化钠B、硫酸钠C、硫酸氢钠D、亚硫酸氢钠E、焦亚硫酸氢钠...
Friday, June 30, 2023
Friday, September 16, 2022
水、乙醇、乙酸、乙二胺等属于质子溶剂,乙醚、二氯甲烷、丙酮、吡啶...
Tuesday, September 13, 2022
Thursday, August 17, 2023
青霉素属于()类抗生素,它的性质很不稳定,用溶剂萃取法分离时,整...
Friday, September 16, 2022
多肽类生化药物是以()和()为主的一大类()活性成分。...
Friday, June 16, 2023
Wednesday, October 12, 2022