Nuclear magnetic resonance spectroscopy

This article reviews the applications of one-dimensional nuclear magnetic resonance spectroscopy(1D-NMR) and 2D-NMR(COSY,TOCSY,ROESY.核磁共振波谱法(NMR)是解析物质结构最有效的手段,近年该技术的发展也很迅速。u5l汉语字典

The present situation of edible vegetable oil authentication is described,and the principle and research progress of several detection methods,including physical and chemical methods,chromatography,nuclear magnetic resonance spectroscopy,infrared spectroscopy and Raman spectroscopy,are summarized.阐述了食用植物油掺伪的现状,综述了理化方法、色谱法、核磁共振波谱法、红外光谱法、拉曼光谱法的检测原理,以及在食用植物油掺假鉴别中的研究进展。u5l汉语字典

Application of NMR and MS to Structural Analysis of Saccharide;糖类结构的核磁共振波谱及质谱分析u5l汉语字典

The initiation systems,relative molecular mass,etc of two foreign polymeric flocculants were analyzed by IR,NMR,X-ray energy spectrum etc.用红外光谱、核磁共振波谱、X射线能谱等手段剖析了国外某公司2种高分子絮凝剂的引发体系、相对分子质量等。u5l汉语字典

Two novel chiral macrocyclic dioxopolyamines,which can be used as NMR chiral solvating agents(CSAs) for chiral carboxylic acids,were synthesized from L-proline through esterification,bridging and ring-closing reaction.通过红外光谱、质谱、元素分析、一维、二维核磁共振波谱等手段对目标化合物的分子结构进行了表征,对化合物的红外光谱吸收峰及核磁谱线进行了归属分析,为进一步研究主客体分子之间的相互作用机理,开发更多更有效的NMR手性溶解剂提供了光谱依据。u5l汉语字典

We applied nuclear magnetic resonance spectroscopy(NMR)to study pancreatic juice(PJ) taken from patients with chronic pancreatitis(CP) and pancreatic cancer.运用核磁共振波谱技术对临床慢性胰腺炎和胰腺癌患者的胰液样品进行体外波谱学分析,观察和鉴别胰腺癌和慢性胰腺炎的特征代谢物变化,从而为胰腺癌以及相关胰腺疾(bìng)的(bìng)理研究提供基础数据和实验方法。u5l汉语字典

Thin layer chromatography (TLC) was applied to separate phenyldibenzophosphole (PDBP) sulfonated products, and the structure of PDBP oxides in PDBP sulfonated products was determined by electrospray ionization mass spectrometry (ESI MS), 13 C nuclear magnetic resonance (NMR), 1H NMR and infrared spectroscopy (IR).用薄层色谱法制备了 5H 苯基联苯膦磺化产物中氧化组分 ,即A斑和B斑的纯品 ;分别用电喷雾质谱 (ESI MS)、1 3C和1 H核磁共振波谱 (1 3C NMR ,1 H NMR)及红外光谱法 (IR)鉴定其结构。u5l汉语字典

Characterization of Copoly(ester-imide) by NMR Spectroscopy聚酯酰亚胺三元共聚物的核磁共振波谱法表征u5l汉语字典

NMRS Determination of Equivalent Water Content in Nitrogen Tetroxide核磁共振波谱法测定四氧化二氮中的相当水含量u5l汉语字典

continuous wave NMR spectrometer连续波核磁共振波谱仪u5l汉语字典

pulsed-wave NMR spectrometer脉冲波核磁共振波谱仪u5l汉语字典

persistent wave NMR spectroscope边疆波核磁共振波谱仪u5l汉语字典

two-coil nuclear magnetic resonance spectrometer双线圈核磁共振波谱仪u5l汉语字典

proton nuclear magnetic resonance spectroscopy质子核磁共振波谱学u5l汉语字典

two-dimensional NMR spectroscopy二维核磁共振波谱学u5l汉语字典

pulse type NMR spectroscope脉冲核磁共振波谱仪u5l汉语字典

ultra-high frequency nuclear magnetic resonance spectrometer超高频核磁共振波谱仪u5l汉语字典

high impedance NMR spectrometer高阻抗核磁共振波谱仪u5l汉语字典

rapid Fourier transform NMR correlation spectroscopy快速傅立叶变换核磁共振相关波谱法u5l汉语字典

electron paramagnetic resonance spectroscopy; EPR spectroscopy电子顺磁共振波谱法u5l汉语字典

gas-chromatography-nuclear magnetic resonance spectrometer气相色谱-核磁共振波谱仪u5l汉语字典

Application of NMR and MS to Structural Analysis of Saccharide糖类结构的核磁共振波谱及质谱分析u5l汉语字典

high resolution proton NMR spectrometer高分辨率质子核磁共振波谱仪u5l汉语字典

Varian NMR spectrometer瓦里安核磁共振频波谱仪u5l汉语字典

pulse Fourier transform NMR spectroscope脉冲傅里叶变换核磁共振波谱仪u5l汉语字典