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- Besides the presence of other ions peaks,all the mass spectra of these antibiotics showed a characteristic ion peak at m/z 163.1 belonging to the protonated ion of 2-deoxystreptamine. 除其它特征碎片离子峰外;所有测试样品的质谱图中都存在质荷比为163.;1的归属于2-脱氧链霉胺的碎片离子峰。
- The characteristic ions and fragmentation patterns of shikimic acid were discussed by EIMS,ESIMS and MS/MS. 探讨该化合物的质谱特征离子与裂解途径,提供莽草酸的质谱学基础。
- METHODS The CID MS/MS spectra of adduct ions such as [M+H] + and [M+Na] + were measured by FAB, as well as some related characteristic ions. In addition, the high resolution data of characteristic ions were determined. 方法 利用FAB技术测定该类型 3种化合物的 [M +H]+和 [M +Na]+等不同加合离子 ,以及由其产生的特征碎片离子的CID MS/MS谱 ,并对有关特征离子进行了高分辨测定。
- Sympathy is the feeling characteristic of mankind. 同情心是人类特有的感情。
- He spoke with characteristic enthusiasm. 他以特有的热情说话。
- Her predominant characteristic is honesty. 她最为突出的特点是诚实。
- Characteristic of or befitting a warrior. 勇敢的,好战的具有战士、勇士特征的或适宜于勇士的
- A characteristic feature of Attic Greek. 雅典式的习语,文体,风格等古希腊雅典个性风格
- Characteristic of or resembling an Amazon. 亚马孙族人的有亚马孙族人特点的,象亚马孙族人的
- A notable or distinctive feature or characteristic. 特征显著或特殊的特征或特点
- The characteristic of the logarithm 6.3214 is 6. 对数6.;3214的首数是6。
- Such bluntness is characteristic of him. 他就是这麽迟钝。
- A characteristic way or mode of expression. 用语,说法具有特点的方法或方式的表达
- A common trait or characteristic. 共同特征或共同性质
- A distinguishing characteristic or feature. 特色,特征区别于其它事物的特点或性质
- A distinguishing feature or characteristic. 特征一个与众不同的特点或性质
- Characteristic of or resembling a Mongol. 带有蒙古人特点的或象蒙古人的
- Characteristic of or resembling spring. 春天般的或具春天特色的
- Consisting or characteristic of prose. 散文的组成散文的或有散文特点的
- The smooth motion characteristic of fluids. 流动液体具有特色的平稳移动性