温度影响着害虫的生长发育、繁殖等生命活动,通常害虫的适宜温度区是...
Tuesday, September 13, 2022
Friday, September 16, 2022
呈肾形而稍扁,表面褐绿色或灰褐色,光滑,边缘一侧凹入处具明显的种...
Friday, September 16, 2022
Tuesday, September 13, 2022
横切为两半,晒干或低温干燥的药材是()A、木瓜B、连翘C、山茱萸D、槟榔E、枳壳...
Monday, June 12, 2023
Friday, September 16, 2022
具有活血止痛,行气解郁,清心凉血功效的药物是()A、川芎B、丹参C、郁金D、姜黄E、延胡索...
Saturday, November 5, 2022
Tuesday, September 13, 2022
为提取饮片中的芳香挥发性成分,常采用()A、回流法B、浸渍法C、渗漉法D、水蒸气蒸馏法E、煎煮法...
Saturday, November 11, 2023
加工过程中需置沸水中烫至外皮灰白色,对半纵剖的药材是()...
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
呈宽卵形,表面孔白色,背凸腹凹,断面粉性,气微、味微甜的药材是(...
Friday, September 16, 2022
呈半球形,外果皮棕褐色至褐色,密被凹点状油室,切面边缘散有1~2...
Friday, September 16, 2022
Friday, September 16, 2022
呈扁球形或圆锥形,断面可见棕白色相问的大理石样花纹的药材是()A、大黄B、槟榔C、商陆D、何首乌E、补骨脂...
Tuesday, April 4, 2023
W/O型乳化剂的HLB值是()A、15~18B、13~16C、8~16D、7~9E、3~8...
Wednesday, September 6, 2023
Friday, September 16, 2022
药用藤茎,功能通经下乳的药是()A、海金沙B、车前草C、灯心草D、木通E、石韦...
Saturday, December 3, 2022