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- Two- dimension NMR spectrum 二维核磁共振谱
- Study of Steric Structures of Substituted Indenyl Titaniun and Zirconium Complexes Using Two Dimensional NMR Spectra 利用二维核磁共振方法研究取代茚基金属钛、锆配合物的空间结构
- 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。
- Developments of the Nuclear Magnetic Resonance( NMR) including the solid high solution NMR and the two dimensional NMR were introduced in this article. 介绍了核磁共振(MR)试技术进展,着重介绍固体高分辨核磁共振和二维核磁共振技术的进展及它们在高分子材料领域的主要应用举例。
- 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。
- From these 13C NMR spectra, we have calculated the ratios of each functional group to methyl group, which agree with the results obtained by 1H NMR quite well, and the mole percentage of saturated and unsaturated fatty acid glycerides in the two oils . 并计算出,上述两种油中所含脂肪酸甘油酯和各种不饱和脂肪酸甘油酯的克分子百分数。 对测得CCH_2C基团质子自旋晶格弛豫时间T_1进行分析后,给出一经验公式来予以拟合,计算结果与测定值吻合。
- two dimensional NMR spectroscopy 二维核磁共振波谱学
- 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。
- The two systems of government are polar opposites. 这两种政体正好相反。
- 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。
- The business is owned by two partners. 这家商行为两名合伙人所拥有。
- 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。
- Keywords Two dimensional NMR;Sesterterpene;Correlation; 二维NMR;二倍半萜;相关;
- 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。
