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- Since fulvenes show no evidence of ring currents, the chemical shifts of the protons will be found in the normal definite region. 既然富烯不显示环电流存在的迹象，所以质子的化学位移仍然发生在正常的链烯区。
- All the chemical shifts and ASIS show linear relationships with the mole fraction of benzene in the mixed solvent. 得到了所有化学位移值和ASIS值与苯的摩尔分数呈线性关系；
- Solvent effects on proton chemical shifts of ergosterol and its derivatives were investigated. 首次研究了麦角甾醇及其衍生物的氢化学位移溶剂效应。
- The chemical shift of hydrogen atom in host and guest molecules were also investigated with 1HNMR. 1HNMR探讨包合物形成时主客分子之间化学位移的相互作用。
- But 8-hydroxy quinine and m-nitrophenol made chemical shift of the above hydrogen slightly increase. 而8-羟基喹啉和间硝基苯酚导致上述氢的化学位移稍升高。
- The chemical shifts of 1H and 13C have been calculated with ab initio and DFT, all of which are compared with the experimental results. 用从头算法和密度泛函方法计算了碳和氢的化学位移，并与实验结果进行了比较。
- The assign-memts of the chemical shifts in the 13C-NMR spectra of EPB terpolymer was made and a method was proposed to determine the chemical composition of the EPB terpolymers. 丙丁共聚物则服从Bernoulli分布,用~(13)C-NMR方法计算了乙丙丁三元共聚物的化学组成,并初步考察了共聚物硫化胶的力学性能。
- The sequence distribution of diad and triad of m ono me ric unit has been postulated by chemical shifts and intensity of spectral lines, and their proportion calculated. 由谱线的化学位移和强度归纳出二单元组和三单元组链节的序列分布,并计算出两者的相互比例。
- Auger chemical shift (ACS) of several compounds of silicide and metal oxide was studied using scanning Auger microprobe in this paper. 对几种硅化物及金属氧化物的俄歇化学位移作了实验研究。
- Theoretical values can not only assign the hydrogen chemical shifts in seven-membered ring, but also explain diastereotopic effect of hydrogen in methylene caused by S=S bond. 理论值一方面可以对七元环上四个氢的化学位移做出指认，另一方面也对S=S键引起的亚甲基上氢的非对映异位给出解释。
- It shows that theoretically predicted chemical shifts of hydrogen atoms in methylene in seven-membered ring are in good agreement with experimental values. 结果表明，从头算法得到的七元环亚甲基上氢的化学位移理论值和实验值符合得很好。
- The proton chemical shifts are assigned with the influence of steric, inductive and conjugative effects and compared with those of similar compounds [18]. 1 。质子化学位移的分配与影响阻，电感和共轭效应和比较，与类似化合物[ 18 ] 。
- Atomic electro negativity distance vector applied to quantitative structure-spectrum relationship study on 13C NMR chemical shift of terpenoid[J]. 引用该论文 仝建波;曾晖;张生万;彭传友;乔华;张巧霞;李志良.
- Adrenal masses: is there linear correlation between unenhanced CT attenuation value and signal intensity loss on opposed-phase chemical shift MR imaging? 肾上腺肿瘤的平扫CT值与磁共振化学位移成像反相位信号丢失程度相关性的研究?
- Using Biacore and NMR chemical shift perturbation experiments, we studied the binding characteristics of CMS_SH3_B to the C-terminal peptides (Cbl-p) of c-Cbl. 同时通过Biacore和NMR化学干扰实验研究CMS_SH3_B与来自c-Cb1 C-末端多肽(Cb1-p)的结合作用。
- Magnetic resonance spectroscopy is a method analyzing specifically atomic nucleus and their compound, which utilizes the magnetic resonance phenomena and chemical shift. 磁共振波谱成像是利用核磁共振现象和化学位移作用,进行特定原子核及其化合物定量分析的方法。
- Based on characterizations of the chemical shift and quadrupoleinteraction the various aluminum species presented in zeolites can be identified or classi-fied. 基于化学位移或核电四极作用的表征，可识别、分辨铝在沸石中不同结构状态或配位状态；
- A novel associated model based on statistic associating fluid theory (SAFT), which has less parameters, is proposed for correlating NMR chemical shift data for mixtures. 作者从统计缔合流体理论(SAFT)出发，提出了一个能关联混合物核磁共振化学位移，但又不需要假设缔合平衡常数的模型。
- As far as I remember, Gaussian will give the chemical shift of every atom. Therefore with a parallel calculation of a standard molecule, such as TMS, ...... 发表于2007-6-1601:22|只看该作者看帖回帖是一种美德;您的回帖是对楼主最大的支持.
- Objective To investigate the value of different proton MR spectroscopy techniques including single-voxel spectroscopy (SVS) and chemical shift imaging (CSI) in diagnosing patients with temporal lobe epilepsy. 目的 应用MR氢质子波谱 (1HMRS)不同成像方法 ,包括单体素波谱 (SVS)、化学位移成像 (CSI) ,探讨1HMRS对颞叶癫痫 (TLE)的诊断价值。
