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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... phase ( Fig . 7 ) . At 580-600 ° C , the signal of the a phase disappears , and the spectra contain a single line at 1554 ppm caused by the a ' phase . The time evolution of the 27 Al NMR spectrum reflects a decrease in the intensity of ...
... phase ( Fig . 7 ) . At 580-600 ° C , the signal of the a phase disappears , and the spectra contain a single line at 1554 ppm caused by the a ' phase . The time evolution of the 27 Al NMR spectrum reflects a decrease in the intensity of ...
Trang 1577
... ( phase 1 ) and Y - Ba- Cu - O - C ( phase 2 ) are specified . Phase 1 has the composition near YogBasCu2.10 , and an orthorhombic unit cell with a = 4.017 ( 1 ) Å , b = 4.102 ( 1 ) Å , and c = 21.701 ( 6 ) Å . Phase 2 is close to YBasCu2 ...
... ( phase 1 ) and Y - Ba- Cu - O - C ( phase 2 ) are specified . Phase 1 has the composition near YogBasCu2.10 , and an orthorhombic unit cell with a = 4.017 ( 1 ) Å , b = 4.102 ( 1 ) Å , and c = 21.701 ( 6 ) Å . Phase 2 is close to YBasCu2 ...
Trang 1583
... PHASE The 152 phase from B and D samples produces X - ray diffraction patterns ( Tables 1 , 3 ) that almost coincide with the patterns of the phases 163 [ 7 ] and 152 [ 4 ] . Keeping in mind the occurrence of the extra phase Y4Ba309 ...
... PHASE The 152 phase from B and D samples produces X - ray diffraction patterns ( Tables 1 , 3 ) that almost coincide with the patterns of the phases 163 [ 7 ] and 152 [ 4 ] . Keeping in mind the occurrence of the extra phase Y4Ba309 ...
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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 acid activity analysis angles anion aqueous atoms band bismuth bond calculated cation changes Chem chemical Chemistry cm-¹ complexes composition compounds concentration constants containing coordination Copyright corresponding crystal crystal structure curves decrease dependence described determined diffraction dimers distances effect electron energy equation exchange experimental extraction formation given heat hydrogen increase indicate Inorganic Institute intensities ions isomer Journal Khim ligand lithium measured melting metal method mixture molecules Moscow Neorg observed obtained occur oxide parameters patterns phase Physics position powder prepared present properties Publishing range ratio reaction REFERENCES reflections region respectively Russian salts samples shifts shows signal similar solid solution space space group spectra spectrum stability structure studied synthesis Table temperature thermal tion transition Translation unit cell values vibrations water molecules X-ray