Russian Journal of Inorganic Chemistry, Tập 39,Số phát hành 5-8British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1994 |
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... shift of the bands of the C = C and C = O stretching vibrations to lower frequencies . No notice- able shift of the M - O stretching vibration frequency was observed . Table 3 gives the chemical shifts in the ' H and 19F NMR spectra of ...
... shift of the bands of the C = C and C = O stretching vibrations to lower frequencies . No notice- able shift of the M - O stretching vibration frequency was observed . Table 3 gives the chemical shifts in the ' H and 19F NMR spectra of ...
Trang 789
... shift of the 13CON signal on increasing the SnBr , concentration . In ' H NMR spectra of systems I - III , a new signal appears at 7-8 ppm , which corresponds to the solvated proton LH + . These data support the earlier conclusion that ...
... shift of the 13CON signal on increasing the SnBr , concentration . In ' H NMR spectra of systems I - III , a new signal appears at 7-8 ppm , which corresponds to the solvated proton LH + . These data support the earlier conclusion that ...
Trang 790
... shift ( 0-45 ( 60 ) mol % of SnBr1 ) and then a high - field shift ( 45 ( 60 ) - 90 mol % ) of the appropriate 13C NMR signals ( Figs . 1a and 1b , curve 7 ) . Variations of 13C NMR chemical shifts of the C = N group is likely to be ...
... shift ( 0-45 ( 60 ) mol % of SnBr1 ) and then a high - field shift ( 45 ( 60 ) - 90 mol % ) of the appropriate 13C NMR signals ( Figs . 1a and 1b , curve 7 ) . Variations of 13C NMR chemical shifts of the C = N group is likely to be ...
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HighTemperature Superconductors | 675 |
LiquidPhase Sintering of Superconducting YBa₂Cu3O Ceramics | 687 |
Synthesis and Properties of Inorganic Compounds | 693 |
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2H₂O 3H₂O absorption bands Academy of Sciences acid Akad analysis angles anion atoms calcd calculated cations ceramics Chem chemical chloride cm-¹ complex composition concentration COORDINATION COMPOUNDS crystal curve decomposition decrease determined DMSO English Translation Copyright enthalpy equilibrium eutectic exhibit experimental extraction formation H₂O Hayka/Interperiodica Publishing Russia heating hydrogen bonds increase Inorg Inorganic Chemistry intensity interaction intercalated ions Khim kJ/mol lattice layers ligand MAHK Hayka/Interperiodica Publishing melting metal method mixture mol/l molecules Moscow Nauk SSSR Neorg nitrate observed obtained Original Russian Text oxidation oxygen oxygen atoms parameters perovskite phosphate Phys physicochemical platinum platinum(IV plexes potassium powder properties protons range ratio reaction region Russia Russia Received Russian Academy Russian Text Copyright salts samples sodium solid solutions solubility space group spectra spectrum spiropyran structure studied superconducting synthesis Table temperature thermal tion titanium transition values X-ray diffraction