化学位移

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  • chemical shift
化学位移化学位移
  1. ~(13)C化学位移与不对称烯烃的亲电加成

    Carbon 13 chemical shift and the eletrophilic addition of asymmetric olefins

  2. MR化学位移成像诊断肾上腺腺瘤的研究

    A study of chemical shift MR imaging on adrenal adenoma

  3. 硫代磷酸酯类化合物的~(31)P化学位移加和规则

    Additivity Rule of ~ ( 31 ) P Chemical Shifts for Thiophosphates

  4. 诺卜醇衍生物的合成及其~(13)C化学位移分析

    Synthesis and ~ ( 13 ) C Chemical Shift Analysis of Nopol Derivatives

  5. MR化学位移成像在脊柱病变中的应用研究

    Application of MR Chemical Shift Imaging in Vertebral Lesions

  6. MR化学位移伪影与股骨头缺血坏死双线征

    Chemical shift artifact and the double - line sign in femoral head necrosis

  7. 中场强MR化学位移技术在肾上腺腺瘤诊断中的应用

    The Chemical Shift Technique of 0.5T MR And Its Applicaton in Adrenal Adenomas

  8. 结论:MR化学位移成像对肾上腺腺瘤的定性诊断具有重要价值。

    Conclusion : MRI is of great value in the diagnosis of adrenal adenoma .

  9. ~(13)C化学位移与定位效应

    Carbon 13 chemical shift and orientation effects

  10. GaP■-1×1表面的Ga3d化学位移

    Ga 3d Chemical Shift on GaP ■ - 1 × 1 Surface

  11. MR化学位移成像脑代谢物改变与肝硬化的临床相关性

    The changes of cerebral metabolites in MR chemical shift imaging in patients with liver cirrhosis

  12. MR单体素波谱和化学位移成像在颞叶癫痫中的研究

    The study on temporal lobe epilepsy with single-voxel proton MR spectroscopy and chemical shift imaging

  13. 讨论了糖环上其他H和C的化学位移特征。

    The chemical shift of other carbon and hydrogen in the ring were discussed .

  14. 内氢键对芳环~(13)C化学位移的影响

    Effects of intramolecular hydrogen bond on ~ ( 13 ) c chemical shifts of aromatic rings

  15. 贝母属植物生物碱的~(13)CNMR化学位移研究

    Review on the 13C NMR chemical shifts of alkaloids from Fritillaria

  16. MR反相位化学位移成像对肾血管肌脂瘤的诊断价值

    Role of Opposed Phase Chemical Shift MRI in Differential Diagnosis of Renal Angiomyolipomas and Renal Carcinomas

  17. 梯度回波化学位移MRI诊断脂肪肝的研究

    The Study of Gradient-echo Chemical Shift MRI in Diagnosing Fatty Liver

  18. MR二维化学位移成像检测人体肝脏~(31)P代谢物相对量的重复能力

    Reproducibility of ~ ( 31 ) P MR spectroscopy detection in human liver with two-dimensional chemical shift imagine

  19. 羰基 ̄(13)cNMR化学位移的计算

    Calculation on ~ ( 13 ) c NMR chemical shifts of carbonyl groups

  20. 非对映异构体~(13)CNMR化学位移不等性研究

    Studies on the  ̄( 13 ) C NMR Chemical Shift Differences Between Diastereomers

  21. 萜类化合物~(13)cNMR化学位移的定量构谱相关研究

    QSSR study on ~ ( 13 ) C NMR chemical shift of terpenoid

  22. 原子距边矢量、三键数与烷烃的~(13)cNMR化学位移

    Carbon atom distance edge vector and 13 C NMR chemical shifts of alkanes

  23. 可见中场强MR化学位移技术对于肾上腺腺瘤的诊断与鉴别诊断具有重要价值。

    Chemical shift technique of 0.5T So can provide valuable information for qualitative diagnosis of the adrenal adenomas .

  24. 固体酪氨酸~(13)C化学位移屏蔽张量研究中的氢键作用

    The ~ ( 13 ) c chemical shielding tensors of tyrosine in solid state : the hydrogen bonding interaction

  25. 喹啉生物碱~(13)C-NMR化学位移加合性规律的研究

    Study on Adding Law of  ̄( 13 ) C-NMR Chemical Shift or Quinoline Alkaloid

  26. MRI化学位移同、反相位成像的体外实验模型研究

    MR Chemical - shift In-phased and Opposed-phased Imaging : An Experimental Study with Phantom

  27. 原子电性作用矢量用于呋喃糖核磁共振碳谱化学位移计算~(13)C化学位移与定位效应

    Calculation of Chemical Shift in ~ ( 13 ) C NMR for Furanoses Carbon 13 chemical shift and orientation effects

  28. 基团的电子效应与单取代苯对位~1H、~(13)C的化学位移

    The electron effects of the group and the chemical shift of para 1H and para 13 C in monosubstituted benzenes

  29. 基于化学位移及偶合常数讨论了丁基及各杂环基与锡的键合性质,丁基~(13)C谱显示,锡对丁基的影响是电正性取代诱导效应。

    Butyl  ̄( 13 ) C data indicated that the influences of tin on butyl group is an electropositive inductive effect .

  30. ~(13)C化学位移在达玛烷型皂甙结构研究中的应用

    Aglycone Structure and Chemical Shift - Application of ~ ( 13 ) C Chemical Shifts in Structural Study of Dammarane Saponins