Tryptanthrin is a kind of indole quinazoline alkaloid.色胺酮属吲哚喹唑啉类生物碱.Use: Used as an analytical reagent, to determine alkaloid and cesium.用途:分 析试剂, 生物碱和铯盐的测定.Quinine: Alkaloid found in the bark of cinchona trees and shrub...
Quinine: Alkaloid found in the bark of cinchona trees and shrubs.奎宁: 金鸡纳树皮中的生物碱,主要用于治疗疟疾.It is a curare alkaloid derived from the South American plant.它是箭毒碱,提取自一种南美产的植物.Morphine: Heterocyclic compound, narcotic analgesic...
读者或许已经注意到, 在西德已经建造了一些人行桥.As the reader might suspect, a number of pedestrian bridges have been built in Germany.请你使用那边的人行桥. 它很安全.Please use the footbridge over there. It's safe.人行桥在水灾中冲走了.The footbridge washed away ...
A series of largely formless images rushed across the screen.一连串相当混乱的影像在屏幕上闪过。His writing is formless, clumsy, and quite without distinction.他的作品却缺乏形式之美, 笨拙粗糙, 涉入凡庸.He is accused of being indiscriminately optimistic and ...
The integrated guidance autopilot model of the yaw plane is formulated firstly.提出了一种反舰导弹针对水面机动目标的航向平面控制导引一体化设计方案.a highly integrated approach to planning高度协调的制订计划方法The aim paper is to lay foundation of the ferroelectrics...
The acceptance criterion is usually set empirically based on the type of device being fabricated.合格标准一般是根据制作器件的类型由经验确定.Eleven key officials were hanged on fabricated charges.11位高官因莫须有的罪名被处以绞刑。Methods: GI - II infiltrated...