Russian Journal of Inorganic Chemistry, Tập 42,Số phát hành 9-12British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1997 |
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Trang 1391
... shows the evolution of the 27 Al NMR spectra with temperature . At 504 ° C , the spectrum shows a signal at 1670 ± 5 ppm of the a phase and a strong signal at 1550 ± 5 ppm , which we assigned to the intermetallic compound LiAl3 ( a ...
... shows the evolution of the 27 Al NMR spectra with temperature . At 504 ° C , the spectrum shows a signal at 1670 ± 5 ppm of the a phase and a strong signal at 1550 ± 5 ppm , which we assigned to the intermetallic compound LiAl3 ( a ...
Trang 1394
... shows the kinetic dependences of the con- tent of the a ' , 8 , and y phases in the LiH - Al system at r = 4. Note that over the temperature range 615-650 ° C , the spectra show two narrow signals at 389 and 422 ppm whose intensities ...
... shows the kinetic dependences of the con- tent of the a ' , 8 , and y phases in the LiH - Al system at r = 4. Note that over the temperature range 615-650 ° C , the spectra show two narrow signals at 389 and 422 ppm whose intensities ...
Trang 1536
... shows two broadened signals at 8p of −22.6 ( 80 % ) and indicate the retention of the phosphorane structure , and -26.2 ( 20 % ) ppm . High - field positions of the signals the absence of ' JP.H is evidence for the formation of the ...
... shows two broadened signals at 8p of −22.6 ( 80 % ) and indicate the retention of the phosphorane structure , and -26.2 ( 20 % ) ppm . High - field positions of the signals the absence of ' JP.H is evidence for the formation of the ...
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Vol 42 No 9 | 1283 |
HighPurity Calcium Hydroxylapatite through Alkoxides LIBRARY | 1292 |
Synthesis and Crystal Structure | 1299 |
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absorption bands Academy of Sciences acid analysis angles anion atoms bismuth bond lengths calculated cation Chem chemical shifts chloride cm-¹ complexes composition concentration constants copper(II corresponding crystal structure curves D2EHPA decomposition decrease determined dimers electron energy English Translation Copyright equation experimental extraction fluorine formation H₂O Hayka/Interperiodica Publishing Russia hydration hydrogen bonds increase Inorg Inorganic Chemistry ions isomer kcal/mol Khim Koord ligand lithium MAHK Hayka/Interperiodica Publishing melting metal method mol/l molecular Moscow NaH2PO4 Neorg nitrate nitrogen NMR spectra Original Russian Text oxide oxygen atoms platinum(II plexes podand polyhedra polyhedron proton ratio reaction Russia Received Russian Academy Russian Journal Russian Text Copyright salts samples scandium signal solid solutions solubility space group spectrum stability studied synthesis Table temperature thermal tion trans transition ture unit cell unit cell parameters values vibrations water molecules X-ray diffraction X-ray powder diffraction