Friday, May 19, 2023
问题:适用于湿颗粒性物料的干燥设备有()A、流化床干燥B、喷雾干燥C、微波干燥D、红外线干燥E、冷冻干燥...
Monday, March 13, 2023
问题:若要进行粒度要求为3~20μm超微粉碎,可用()。...
Sunday, January 21, 2024
问题:高速搅拌制粒,可将哪几步操作在密闭不锈钢容器内一次完成?...
Sunday, March 3, 2024
Wednesday, September 14, 2022
问题:混悬型气雾剂的组成部分不包括()A、抛射剂B、潜溶剂C、耐压容器D、阀门系统E、润湿剂...
Wednesday, November 1, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:HLB值在7~9的表面活性剂适合用()A、增溶剂B、O/W型乳化剂C、W/O型乳化剂D、润湿剂E、消泡剂...
Saturday, March 2, 2024
Saturday, March 2, 2024
Wednesday, April 19, 2023
Tuesday, October 31, 2023
Tuesday, October 31, 2023
Sunday, September 11, 2022
Sunday, January 21, 2024
Sunday, March 3, 2024
Saturday, July 29, 2023
问题:油脂性基质的酸值应在0.2以上,皂化值应在200~245,碘值低于7。...
Friday, May 10, 2024
问题:乳剂在放置过程中,分散相会逐渐集中在顶部或底部的现象称()A、酸败B、絮凝C、转相D、乳析E、破裂...
Tuesday, October 31, 2023