核磁共振谱通常是根据已知的溶剂残留质子峰进行校正，而不是添加四甲基硅烷。
NMR spectra are often calibrated against the known solvent residual proton peak instead of added tetramethylsilane.
产物结构经红外光谱及核磁共振谱确认。
Product structure after infrared spectrum and nuclear magnetic resonance spectrum confirmation.
化合物结构经质谱、 核磁共振谱确定。
The structure of the product obtained was confirmed by MS and 1HNMK.
氧化产物的结构经过核磁共振谱得以确认。
利用红外光谱和核磁共振谱对结构进行了表征。
并通过质谱、红外谱图和核磁共振谱确认了其结构。
产物结构经元素分析、红外光谱、核磁共振谱所证实。
The structures of Glucovanillin were identified by elemental analysis, IR and NMR.
产物的结构经红外光谱、核磁共振谱、元素分析确证。
The elemental analysis results, the infrared and nuclear magnetic resonance spectraare consistent with the structure.
利用红外光谱、核磁共振谱、质谱测定了他们的结构。
经元素分析、红外光谱和核磁共振谱确认了产物的结构。
The structure of products was identified by elementary analysis, infrared spectroscopy and nuclear magnetic spectrum.
给出一种用于核磁共振谱仪的脉冲场梯度单元的详细设计。
The design of a pulsed field gradient unit for USES on NMR spectrometers is discussed.
红外光谱和核磁共振谱图表明产物即为本文目标产物pbs。
Infrared spectrum and nuclear magnetic resonance shows that the outcome is the goal PBS of this paper.
在常规核磁共振谱仪上自行设计和研制了一套磁共振微成象系统。
An NMR micro-imaging system was developed on a conventional NMR spectrometer.
产物经红外光谱1、H 核磁共振谱、质谱和X射线衍射确定结构。
The products were determined through IR, 1H NMR, MS and X-ray single crystal diffraction.
本实用新型涉及一种核磁共振谱仪系统中的一个重要部件——磁体。
The utility model relates to a magnet which is an important component in a nuclear magnetic resonance spectrometer system.
其氧化产物的紫外吸收光谱、1h核磁共振谱和红外光谱有明显改变。
Compared with that of lignin sulfonic acid, the spectra of UV, 1h NMR and IR were changed apparently.
上述结果已为反图红外光谱、紫外光谱、核磁共振谱及化学分析所证实。
These inferences have been derived from the data obtained from infra-red absorption spectrum,...
方法测定其在改变温度和加入重水条件下的各种1D和2 D核磁共振谱。
METHODS Recording the 1D and 2D NMR spectra of lomerizine dihydrochloride while changing the experimental temperature and adding D 2O into the solution.
采用高分辨质谱和二维核磁共振谱等光谱技术，确定了该化合物的化学结构。
Through high-resolution mass spectrometry and two-dimensional NMR spectroscopy, the invention determines the chemical structure of the compound.
产物分子结构用元素分析、红外光谱及核磁共振谱（1HNMR）进行了鉴定。
The molecular structure of tertbutyl glycinate hydrochloride is characterized and confirmed by elementary analysis, FTIR and 1HNMR.
测定了它们的红外光谱和核磁共振谱，探索了适宜的反应条件及产物的提纯方法。
The favourable reaction conditions and the purification methods of these compounds were found out.
上述聚合物的分子量和结构通过凝胶渗透色谱，红外光谱和核磁共振谱进行表征。
The molecular weight and the structure of the above mentioned polymers were characterized with gel permeation chromatography, infrared and nuclear magnetic resonance.
神经网络的数据，利用红外光谱，碳13核磁共振谱，并分子式有机化合物是发达国家。
A neural network which utilized data from the infrared spectra, carbon-13 NMR spectra, and molecular formulas of organic compounds was developed.
其结构经红外光谱、核磁共振谱及元素分析证明为2—乙酰基—7—甲胺基—4—溴革酮。
The structure of the product was proved by IR, HNMR and elemental analysis. That is 2 -acetyl - 7 -methylamino -4-bromotropone.
通过元素分析、核磁共振谱、红外光谱和可见吸收光谱对单体和聚合物的结构进行了鉴定。
T heir chemical structures were identified by NMR, UV and ir spectra as well as elemental analysis.
用光照的方法制备了光化学反应产物，由元素分析及核磁共振谱确定为抗痫灵的顺式异构体。
The photochemical product was prepared and identified as the cis-isomer of antiepilepserine by elementary analysis and HNMR.
方法利用硅胶柱色谱法对牛白藤进行分离纯化，根据理化性质和核磁共振谱数据鉴定其结构。
Methods the compounds were isolated and purified by repeated silica column chromatography and identified by their physical characteristics and nuclear magnetic resonance spectrum.
染料分子的化学结构通过1H核磁共振谱，二维1 H - 1h相关谱以及质谱分析得以确定。
The chemical structure of dye molecule was confirmed by 1h nuclear magnetic resonance spectroscopy, 1h-1h COSY and mass spectrometry.
测定了12个标题化合物的核磁共振谱，报道了它们的1h和13C化学位移以及定量分析数据。
NMR spectra of 12 titled compounds are determined. The chemical shifts of 1h and 13c and the data of quantitative analysis are reported.
测定了12个标题化合物的核磁共振谱，报道了它们的1h和13C化学位移以及定量分析数据。
NMR spectra of 12 titled compounds are determined. The chemical shifts of 1h and 13c and the data of quantitative analysis are reported.
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