核磁共振谱
- 网络NMR;nuclear magnetic resonance;hnmr;Nuclear Magnetic Resonance Spectroscopy
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合成了化合物1苯基3甲基4苯甲酰基5吡唑啉酮(HPMBP)缩甘氨酸甲酯,用红外光谱、核磁共振谱和元素分析等方法进行了表征,用X射线衍射方法测定了其晶体结构。
A new compound derived from 1 phenyl 3 methyl 4 benzoyl 5 pyrazolone and glycine methyl ester has been synthesized and characterized by IR , 1H NMR spectra and elemental analysis .
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天然C(19)-二萜生物碱的核磁共振谱(Ⅱ)
The natural c_ ( 19 ) - diterpenoid alkaloids and their NMR (ⅱ)
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~(31)P核磁共振谱应用数则
Examples of ~ ( 31 ) p NMR spectroscopy application
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二萜生物碱的~(13)C核磁共振谱
~ ( 13 ) C Nuclear Magnetic Resonance of Diterpenoid Alkaloids
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两种天然五环三萜酸的~(13)C核磁共振谱分析
13 C NMR analysis of two natural pentacyclic triterpenic acids
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并对各化合物的~(13)C和~(31)P核磁共振谱作了研究。
The 13C NMR and 31P NMR spectroscopy of them were also given .
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黄酮类化合物~(13)C核磁共振谱的模式识别分类研究
Pattern Recognition Application to ~ ( 13 ) C NMR Spectra of Flavone Compounds
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丝氨酸及其La~(3+)配合物的~1H核磁共振谱参数的pH依赖性
PH dependence of PMR parameters of serine and its La complex
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几个新乌头碱型&二萜生物碱的~(13)C核磁共振谱研究
~ ( 13 ) c NMR spectroscopic studies of several new diterpenoid alkaloids from Aconitum species
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硅藻土的~(29)Si魔角旋转核磁共振谱研究
~ ( 29 ) Si MAS NMR spectroscopic study of Diatomite
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含氟烯醚类化合物的质子核磁共振谱研究及Matter经验公式全氟烷基屏蔽增量的修正
Proton magnetic resonance spectra of fluorinated vinyl ether and revision of perfluoroalkyl substituent shielding increment in matter 's formula
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并且通过红外光谱、核磁共振谱、X衍射测试技术确认了嵌段聚合物的结构。
The structure of block polymer was confirmed by IR , Raman and XRD spectroscopy .
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由 ̄(27)Al的核磁共振谱看高岭土与针铁矿的胶结本质
The nature of cementing of kaolinite with goethite from ~ ( 27 ) ai NMR spectra
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二甲基取代苯基锍盐的合成及其~1H、~(13)C核磁共振谱的研究
Synthesis of Dimethyl Substituted Phenyl Sulfonium Salts and Study on Their  ̄ 1H and  ̄( 13 ) C Nuclear Magnetic Resonanc Spectra
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核磁共振谱是管道水,镁八面体和硅氧四面体上的OH引起的;
, and the NMR spectra by pipe water in fibre and OH on Mg-octahedra and Si-O tetrahedra .
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给出了磁化水的核磁共振谱(NMR)。
Magnetizing water NMR is also presented here .
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它们的化学结构式是通过局部水解、完全水解、标样对照、快速原子轰击质谱、~1H-~1H相关谱及~(13)C核磁共振谱得到确定的。
Their chemical structures have been elucidated by partial and total hydrolysis , comparison with model substances , FAB-MS , 2H-H COSY and 13C NMR .
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用软件定标技术扩展EM-360L核磁共振谱仪的温度适应范围
To Expand the Operational Temperature Scope of EM-360L NMR by Means of Software Calibration
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ABC叁自旋系统核磁共振谱的解析Ⅱ.丙烯腈的共振谱
Analysis of nuclear magnetic resonance spectra ⅱ . the ABC three-spin system of acrylonitrile
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基于DFT的梓醇核磁共振谱的理论研究
Theoretical Study on NMR Spectrum of Catalpol by DFT
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宽带脉冲dcSQUID核磁共振谱仪的研制
Broadband DC SQUID NMR Spectrometry
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合成红色绿柱石中通道水分子构型及~1H和~(23)Na核磁共振谱表征
Channel-Water Molecular Pattern and ~ 1H , ~ ( 23 ) Na NMR Spectra Representation in Synthetic Red Beryl
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应用红外光谱图和核磁共振谱图对硫酸酯化/磺化壳聚糖衍生物的结构进行了分析,得出硫酸酯化/磺化反应则主要在C6-O上进行。
We analyzed the structure of sulfuric chitosan through IR and NMR spectrum , and determined this esterify reaction mostly carried through C6-O. We analyzed the mechanism of esterified reaction .
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本文报道2,2′联喹啉N,N′二氧化物(以下简写为BiqO2)的红外光谱、紫外光谱、`H核磁共振谱和质谱,并相应地进行了一些研究,获得了BiqO2的一些波谱数据。
In this paper , the spectra of IR , UV , ` H NMR and MS of 2,2 ′ - biquinoline-N , N ′ - dioxide have been reported .
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然后采用化学反应识别、红外谱图和核磁共振谱图对H标物质的结构和类型进行出探讨发现目标物质可能是属于缩合鞣质类化合物,并带有糖苷键。
NMR and IR spectra to study the structure and type of target substances found target material may belong to the condensation tannin compounds , with a glycosidic bond .
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通过红外光谱、核磁共振谱对结构进行表征,IR谱图分析证实以N上取代为主。
Structure of HACC was characterized by infrared spectrum and C13 NMR £ - and it is proved that substitution reaction mainly occurs on the - N element .
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在此基础上,针对本论文的主要工作论述了数字化研究的意义。2.基于USB总线的一体化核磁共振谱仪控制台的数字化研究。
Then we dwelt on the significance of the research work . 2 . The digital investigation of integrated NMR spectrometer based on USB interface .
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本文用~1H、~(31)P和~(13)C核磁共振谱研究了ATMP(氨基三甲叉膦酸,以简式H6L表示)及其顺磁性Co(Ⅱ)配合物。
The 1H , 31P and 13C NMR spectra of ATMP and paramagnetic Co ( II ) - ATMP complexes have been studied .
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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 .
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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 .