NMR

Quantum Chemical Calculation of NMR for Tetramethylsilane ( TMS )

TMS的NMR量子化学计算 ( 英文 )

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Meanwhile, the structure of 3-( 2'-carboxyethyl) benzo [ b] thiophene was confirmed by testing melt point, NMR, Mass Spectrometry and elementary analysis.

并经熔点测定，1H-NMR、13C-NMR、质谱及元素分析，表征其合成得到的3（2′羧乙基）苯并噻吩的结构。

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This phenomena is called NMR ( nuclear magnetic resonance ) .

这种现象称为 核磁共振.

词典精选例句

SYNTHESIS OF TS 1 ZEOLITE ⅰ. 29 Si and 1H High Resolution NMR Investigation on the Hydrolysis of Tetraethyl Orthosilicate

TS-1分子筛的合成Ⅰ.~（29）Si和~1H NMR研究正硅酸乙酯的水解

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Structural Study of Supersaturated Aqueous Lithium Tetraborate Solutions by Difference FT-Raman and~ ( 11) B NMR Spectroscopy

用差示FT-Raman和~（11）B NMR光谱学研究四硼酸锂水溶液的结构

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Nuclear magnetic resonance ( NMR ) relaxation characteristics of crude oil change with temperature varying at different formation depth.

随埋藏深度的不同,地下原油温度有很大的变化,造成其核磁共振 ( NMR ) 弛豫特性差别较大.

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Magnetizing water NMR is also presented here.

给出了磁化水的核磁共振谱(NMR).

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QSSR study on~ ( 13) C NMR chemical shift of terpenoid

萜类化合物~（13）c NMR化学位移的定量构谱相关研究

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The~ ( 13) C NMR spectra of five 7-substituted 6,14-bridged thebaine derivatives ( 1-5) are reported.

本文报道5个7-取代6,14-桥键蒂巴因衍生物的~（13）C-NMR谱。

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By testing, we find homogeneity of magnetic field, magnet stability in temperature, integral stability are good. Magnet can create a proper a uniformity region for NMR core analyzer. Core analysis indicates the design is satisfying.

通过磁体的测试，可知磁体的均匀度、磁场场强的温度稳定性、磁体的总体稳定性良好，完全可以给核磁共振全直径岩心分析仪营造一个合适的匀场环境。

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Application of the four DDS devices running in parallel to NMR

四路并行DDS合成技术在核磁共振中的应用

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The T1 values of the water Protons in the eggs of Ostrea cucullate and Rona nigromaculate before and after fertilization were measured by H NMR technique.

使用核磁共振波谱技术测定并比较受精前后卵子中水质子的T1值，初步探讨了造成其变化规律的原因。

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Comparing the~ ( 31) PNMR,~ ( 13) C NMR and DEPT of reactant with those of ring-opening products, we reached the conclusion that the nucleophilic opening ring occurred at the terminal carbon having less stereo-hindrance.

通过比较反应物和产物31PNMR，13c NMR及DEPT，得出了开环反应是发生在五元环的端碳原子上。

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The molecular structures of reaction products were confirmed by HPLC, IR, NMR and MS.

对各步反应产物分别应用HPLC 、 IR 、 NMR、 MS等仪器分析测定,确认了分子结构.

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The prepared compounds were confirmed by IR, NMR, TGA and DSC et al.

所合成产物结构经IR, NMR, TGA和DSC等方法确定.

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The structure was verified by 1 H-NMR, GPC and end group titration techniques.

通过核磁共振氢谱(1H-NMR) 、 凝胶渗透色谱(GPC) 、端羟基滴定等方法,研究了所合成的三嵌段共聚物的结构.

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Transient NMR shows promise of solving this problem.

瞬时核磁共振表示要解决这个问题也是有可能的.

词典精选例句

The results of MAS NMR illustrate that the phase change process and the elongation of tetragonal crystal c axis are due to the variation of aluminium ion distribution within the lattice.

MAS NMR结果表明，上述相变过程及四方形晶体c轴逐渐加长的情况，应归因于晶格内部铝离子位置分布的变化。

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1~ h NMR studies of solvent effect on keto-enol tautomeric equilibrium of β-dicarbonyl compounds

~H NMR法研究β-二羰基化合物的酮&烯醇互变异构体系的溶剂效应

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The paper introduces the application of nuclear resonance ( NMR ) to the studying on water slurries.

本文介绍了现代分析仪器——核磁共振 ( NMR ) 波谱仪在水煤浆研究中的应用.

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The study on~ 13c NMR of tetrahydro-β-carbolines

四氢β&咔啉类化合物的~（13）c NMR研究

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Theoretical Prediction of C 59 O ′ s Structure, Electronic Spectra and NMR Spectra

C（59）O的结构、电子光谱及NMR谱的理论预测

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The application of HPLC-NMR in drug metabolism, natural products analysis and food analysis were reviewed.

综述了目前HPLC-NMR联用技术在药物代谢研究, 天然产物分析以及食品分析等方面的应用.

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DPT with 15 N atoms were characterized through 15 N NMR spectra and Mass spectra.

给出了有15N标记的DPT分子 的15N-NMR和MS测定结果.

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At the present time, NMR equipment is very expensive.

目前, 核磁共振仪还是很昂贵的.

词典精选例句

The medical CT and NMR image fusion problem is discussed.

本文讨论了医学图像CT与NMR的融合问题.

网络文摘精选

Ziprasidone hydrochloride and its intermediate chemical structure by 1 H-NMR , MS, IR confirmed.

盐酸齐拉西酮及其中间体的化学结构经 1H-NMR 、 MS 、 IR确证.

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This paper considers after an analysis that caliper logging, gamma-ray logging ( spectral gamma-ray logging), induction logging, temperature logging and NMR logging belong to effective well logging under the condition of gaseous medium. Lithology may be determined by gammy ray.

文中分析认为，井径、井斜、自然伽马（自然伽马能谱）、感应测井、井温测井、核磁共振测井是在气体介质条件下的有效测井系列；

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Results Eighteen titled compounds were synthesized, their structure were confirmed by 1 H-NMR and MS analysis.

结果共得到18个目标化合物, 经 1H-NMR 、MS确证其结构.

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In vivo NMR of animals and brain research

动物活体NMR技术在脑研究中的应用

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