2) NMR of isomers
几何异构体核磁共振
3) static oriented solid state NMR
静态取向固体核磁共振
4) epimers
差向异构体
1.
Sitafloxacin epimers were separated by capillary zone electrophoresis using γ-cyclodextrin(γ-CD) and D-phenylalanine(D-Phe) as chiral selector.
以γ-环糊精和D-苯丙氨酸为手性选择剂,采用毛细管区带电泳成功地分离了新型抗菌素西他沙星差向异构体。
2.
Under building a optimal HPLC condition,the epimers can be seperated well and can be studied by MS,LC-MS and NMR.
双氢青蒿素在有机溶媒中存在α与β差向异构体的转化过程。
3.
Methods: An optioned HPLC condition has developed for separation of the epimers, column; Kromasil C18 (250 mm ×4.
目的:对双氢青蒿素β型差向异构体向α型转化过程进行分析。
5) epimer
['epimə]
差向异构体
1.
Simultaneous determination of epimer of glycyrrhizic acid in Radix Glycyrrhizae by RP-HPLC;
RP-HPLC法测定甘草中甘草酸差向异构体的含量
2.
NMR studies on the two epimers of budesonide
布地奈德差向异构体核磁共振的研究
3.
It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .
阐述了差向异构体和差向异构化的定义。
6) solid state NMR
固体核磁共振
1.
The accessibility of acidic protons in 12-phosphotungstic acid and its cesium hydrogen salt has been studied by the probe molecule trimethylphosphine and solid state NMR.
使用与反应分子大小接近的碱性探针分子三甲基膦和固体核磁共振技术,定量研究了磷钨酸及其铯盐的酸位可接近性。
补充资料：磁位差
| 磁位差 magnetic difference of potential 恒定磁场中无传导电流分布的空间区域内两点a与b之间的标量磁位之差（又称磁位降）。记为U m。它与静电场中的电位差相似。其定义为  式中H为沿ab曲线长度元dl处的磁场强度。在国际单位制(SI)中，磁位差的单位为安(A)。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条