Russian Journal of Inorganic Chemistry, Tập 40,Số phát hành 9-12British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1995 |
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... oxides AH , can be calculated using the enthalpies of changes in the coordination numbers of cations R3 + upon the Enthalpies of formation of compounds with the pyrochlore structure from simple oxides AH , kJ / mol and from simple ...
... oxides AH , can be calculated using the enthalpies of changes in the coordination numbers of cations R3 + upon the Enthalpies of formation of compounds with the pyrochlore structure from simple oxides AH , kJ / mol and from simple ...
Trang 1543
... oxide ( reagent grade ) were used in the synthesis . In the first case , stoichiometric mixtures of the oxides were fired under a gradual increase in the temperature to 1400-1500 ° C accompanied by repeated sample grind- ing . In order ...
... oxide ( reagent grade ) were used in the synthesis . In the first case , stoichiometric mixtures of the oxides were fired under a gradual increase in the temperature to 1400-1500 ° C accompanied by repeated sample grind- ing . In order ...
Trang 1721
... oxides BaBiO ,, Ba2BizO ,, and BaBi2O , was investigated using powder X - ray diffraction , electron microprobe X - ray ( EMXA ) and chemical analyses . The oxides were synthe- sized by melting stoichiometric BaO2 - Bi203 mixtures in ...
... oxides BaBiO ,, Ba2BizO ,, and BaBi2O , was investigated using powder X - ray diffraction , electron microprobe X - ray ( EMXA ) and chemical analyses . The oxides were synthe- sized by melting stoichiometric BaO2 - Bi203 mixtures in ...
Nội dung
The Kinetics and Mechanism of SolidPhase Synthesis of YBa₂Cu3078 | 1359 |
Vol 40 No 9 1995 | 1360 |
Structure of Sodium Hexahydroperoxostannate | 1365 |
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absorption Academy According acid activity addition analysis angles anion aqueous atoms bands basis bismuth bond calculated cation cell Chem chemical Chemistry chloride cm-¹ complexes composition compounds concentration constants containing coordination Copyright corresponding crystals curves decrease dependence determined distances effect electron energy equilibrium experimental extraction fluoride formation groups H₂O heating hydrogen increase indicates Inorg Inorganic Institute intensity interaction ions Khim ligand melt metal method mixture molecules Moscow Neorg Note observed obtained occurs Original oxides oxygen parameters peritectic phase position possible powder precipitate prepared presence properties Publishing range ratio reaction REFERENCES region respectively Russian salts samples Sciences shift shows similar sodium solid solutions space group spectra spectrum stability structure studied synthesis Table temperature thermal tion transition unit values vibrations X-ray diffraction