chemical shift
英 [ˈkemɪkl ʃɪft]
美 [ˈkemɪkl ʃɪft]
n. 化学位移
双语例句
- 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。 - Their changes in31 P NMR chemical shift compared with diphosphene compounds are analyzed.
与二磷烯比较，分析了它们在核磁共振磷谱中化学位移的变化。 - Magnetic resonance imaging; In phase; Opposed phase; Signal intensity; VertebraL; Chemical shift.
脊椎；化学位移成像；同相位；反相位；磁共振成像；信号强度。 - The Application Study of Chemical Shift Image of~ 1H-MRS on Brain Radiation Injury Following Radiotherapy for Nasopharyngeal Carcinoma
～1H-MRS化学位移成像在鼻咽癌放疗后放射性脑损伤中的应用研究 - The changes of cerebral metabolites in MR chemical shift imaging in patients with liver cirrhosis
MR化学位移成像脑代谢物改变与肝硬化的临床相关性 - A group of empirical parameters is obtained by analyzing the chemical shift data of the peaks.
经数据的解析，得到一组计算聚丁二烯脂碳部分各谱峰化学位移的经验参数。 - The study on temporal lobe epilepsy with single-voxel proton MR spectroscopy and chemical shift imaging
MR单体素波谱和化学位移成像在颞叶癫痫中的研究 - The influence of substituent electron effect on NMR chemical shift of substituted benzanilide
取代基的电子效应对苯甲酰苯胺衍生物NMR化学位移的影响 - The ligand fashion of ligands and metal ions is studied by NMR. The influences on chemical shift and NMR spectra by induced effect, screening effect and paramagnetic character of rare earth ions are also discussed in this paper.
用核磁共振研究了配体与稀土的配位方式，讨论了诱导效应、屏蔽效应及稀土离子的顺磁性对配合物化学位移和NMR谱图的影响。 - The information of chemical shift and symmetry variation of core level concerned with the chemical bonds have been obtained.
得到了与化学键有关的化学位移和芯能级对称性变化方面的信息。 - The difference in the chemical shift of N& H between compounds 1a and 1b was observed.
其中化合物1a和1b活泼氢（N&H）的化学位移有明显区别。 - The calculated chemical shift values are essentially consistent with experimental results.
化学位移计算值与实测值基本相符，并得到了不同组成的模型聚合物~（13）C-NMR谱的各谱带强度变化规律的验证。 - Its principle includes chemical shift and spin-coupling.
原理包括化学位移和自旋耦合。 - Objective To evaluate the value of gradient echo chemical shift imaging in detection of lipid containing abdominal lesions.
目的评价梯度回波化学位移成像诊断腹腔含有脂质病变的价值。 - Studies of Quantitative Structure-Spectra Relationship between Chemical Shift Sum and Molecular Path Index Vector in Alkanes
烷烃化学位移和与分子路径指数矢量定量构谱关系的研究 - A high accurate equation for the theoretical prediction of ￣( 13) C-NMR Chemical Shift of 10 benzenoid parent polycyclic aromatic hydrocarbons ( PAH) has been put forward in this paper. It is calculated by CNDO method.
本文利用CNDO方法对十个多环芳烃化合物的~（13）C－NMR的化学位移进行了理论上的计算，并提出了一个联系分子电荷密度、键级和键长等多数的半经验公式。 - The chemical shift of other carbon and hydrogen in the ring were discussed.
讨论了糖环上其他H和C的化学位移特征。 - The problems of developing the chemical shift imaging and spectroscopic imaging are reviewed in detail.
详细评述了化学位移成象及波谱成象的发展。 - A new structure code based on chemical shift and it's application
基于化学位移的结构编码及其应用 - In this dissertation, the theory for measurements of chemical shift tensors is described, and various approaches for NMR measurements of the chemical shift tensors are introduced and compared.
本文简述了固体核自旋相互作用，介绍了化学位移张量测量的基本理论，并对单晶和粉末样品化学位移各向异性的测量方法做了介绍和比较。 - Results: In 13 cases the lesions with chemical shift artifacts all contain fat;
结果：13例具有化学位移伪影的病灶均证实含有脂肪成分； - NMR secondary chemical shift and protein secondary structure
核磁共振次级化学位移和蛋白质二级结构 - Ab Initio of Fine Structure and~ ( 29) Si Chemical Shift of Binary Sodium Silicate
二元钠硅酸盐的精细结构和~（29）Si化学位移的从头计算研究 - Relative measurement of hydrogenic nuclei chemical shift in NMR
核磁共振实验中氢核化学位移的相对测量 - Analyzing the spectrogram, intracellular pH was estimated according to the chemical shift of Pi.
然后对所得谱图进行分析，根据无机磷（Pi）的化学位移的变化测定细胞内的pH。 - The~ 1H NMR chemical shift is widely used to investigate the microstructure and thermodynamics of associated solution.
1HNMR化学位移被广泛用于研究缔合体系溶液微观结构和溶液热力学性质。 - A-Si: H Thin film has been studied by means of xps and chemical states existing in the thin film have been analysed by the chemical shift and fitting mechanism.
采用XPS技术和相应的化学位移理论及谱峰拟合方法研究了a-Si∶H薄膜。 - Rule and essence of chemical shift
化学位移的规律和本质 - The influence of substituted groups on the chemical shift of protons of pyrimidine ring was discussed. And the assignment of the peaks in IR and 1H NMR spectra was made.
并对所合成的化合物的结构进行了表征，讨论了取代基对嘧啶环质子化学位移的影响，确定了红外光谱以及~1HNMR谱中各峰的归属。 - Using the chemical shift information, we proposed a new protein secondary structure prediction algorithm.
利用这些化学位移信息，我们提出一种新的蛋白质二级结构预测算法。