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This paper presents a multicriterion optimization aglorithm for the NMR spectrum data imaging. 本文提出一种适合核磁共振频谱数据成象的多准则优化成象算法。
A study on the NMR spectrum of monoterpene glucosides from Paeonia lactiflora Pall. 芍药单萜苷的NMR谱学研究。
A new method of tailored detection of partial NMR spectrum with delaying acquisition time is provided. 本文介绍一种利用延迟采样实现部分谱的Tailored检测的方法。
The double bond on the cycle of vinyl ester of dihydroabietic acid could not be found in firmly place by it's NMR spectrum due to having three isomers. 因为二氢枞酸有三个异构体,所以仅用光谱方法无法确定二氢枞酸乙烯酯环内双键的位置。
The 1H NMR spectrum of Glutamate (Glu) at 2.35 ppm is difficult to measure because it is strongly overlapped with glutamine (Gln) and N-acetyl-aspartate (NAA). 摘要:在氢原子核磁共振频谱里，量测脑部代谢物之中的谷氨酸盐是十分困难的，因为它的频谱位置与乙醯天门冬胺酸相当接近，加上乙醯天门冬胺酸的量大于谷氨酸盐很多，造成严重的重叠观察不易。
Therefore the 183W NMR spectrum can be used as a powerful tool for examining the products and their purity, and distinguishing the isomers and new structure in solution. 183W核磁共振谱可以作为反应产物鉴别、产品纯度检验的有利工具。183W核磁共振谱还是溶液中鉴别异构体、发现新结构的有利工具。
Mycophenolate sodium was prepared from mycophenolic acid and the sample was analyzed by pbysico-chemical analysis,elemental analysis,HPLC,MS and NMR spectrum. 以霉酚酸为原料合成霉酚酸钠,对合成产物进行理化性质,元素分析,质谱,核磁共振,高压液相等分析测定,并将这些分析结果与霉酚酸进行比较。
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。
Siliceous FER zeolite possesses perfect framework as revealed by FT - IR and high resolution Si MAS NMR spectra. 红外精细谱及~(29)Si MAS NMR高分辨谱证明FER硅沸石具有十分完美的骨架结构.
FDM provides chemical reference spectra databases of FTIR, Raman, NIR, Mass, and NMR spectra. 网站介绍了FDM相关光谱数据库的内容。包括有红外光谱、质谱、核磁共振等。
Povlen type hydroxyl-chrysotile is a new variety of Povlen type Chrysotile, whose absorption, infrared, Mssbauer, EPR and NMR spectra are reported in this paper. 波伏棱型羟基纤蛇纹石是波伏棱型纤蛇纹石矿物的新变种,本文报导它的吸收光谱、红外光谱、穆斯堡尔谱、电子顺磁共振谱和核磁共振谱。
The 13C and 119Sn NMR spectra of CDC13 solutions of aliphatic and aromatic tricyclohexyltin (IV) carboxylates have been recorded. 测定了33个三环己基脂肪族和芳香族羧酸锡在非配位溶剂(CDCl_3)中的~(13)C和~(119)Sn NMR谱。
Their structures were confirmed by elemental analysis, IR, NMR, MS spectra and the characteris-tics of NMR spectra were also discussed. 以元素分析;IR;NMR;MS实验技术对其结构进行了表征;并研究其NMR波谱特征.
The chemical structure of sulfurized calcium alkyl phenolate lubricant additive has been stu died by means of IR spectra and 1H, 13 C NMR spectra. 以IR和1H及13C-NMR为主要手段对市售硫化烷基酚钙添加剂的结构进行了研究。
We have recorded the 1H NMR spectra of t-butyl-carbazole-quinacridone compounds in CDCl3 over a range of concentrations. 我们选择叔丁基咔唑-喹吖啶酮系列化合物来考察化合物的浓度依赖1H NMR谱。
The structures of the5-fluorouracil indican derivatives are analyzed by th eir ultra-red spectra,NMR spectra in this paper. 本文主要阐述了利用红外光谱仪及核磁共振仪来确定新合成的5-氟脲嘧啶糖苷的结构。
Sadtler Research Laboratories.Sadtler standard 13C - NMR spectra[M] .New York: Sadtler Research Laboratories.Inc,1975.6.4434. 彭勤纪;王碧人.;波谱分析在精细化工中的应用[M]
The structures of the intermediates and the target molecule is corroborated by 1H NMR and 13C NMR spectra in our experiments. 关键中间体及最终化合物的结构经核磁共振氢谱及碳谱得到确证。
H.Z.Xiao and Prof.S.L.Hong of Bejing Institute of Microchemistry for the measurement of EI-MS and NMR spectra, respectively. 北京微量化学研究所肖宏展、洪少良教授分别帮助测试EI-MS和NMR，特此致谢。
The structures of the intermediates and the target molecule were confirmed by (superscript 1)H NMR and (superscript 13)C NMR spectra in our experiments. 关键中间体及最终化合物的结构经核磁共振氢谱及碳谱确证。