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a The standard enthalpies of formation for Na As401 HNO3 ( solution ; 400 - 500440 = -207.016 [ 6 ] ; H2O liquid ) and NaAsz0 , were determined by measuring heats of the following reactions : -285.829 +0.04 [ 7 ) .
a The standard enthalpies of formation for Na As401 HNO3 ( solution ; 400 - 500440 = -207.016 [ 6 ] ; H2O liquid ) and NaAsz0 , were determined by measuring heats of the following reactions : -285.829 +0.04 [ 7 ) .
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X - ray diffraction patterns of these samples coincide with the schematic spectrum of solid solution a ... However , in the presence of strontium , i.e. , in region II , not the Two ternary solid solutions ( rhombohedral and face ...
X - ray diffraction patterns of these samples coincide with the schematic spectrum of solid solution a ... However , in the presence of strontium , i.e. , in region II , not the Two ternary solid solutions ( rhombohedral and face ...
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The region outlines the concentration interval of coexistence of the SrBi2O4 phases , rhombohedral solid solution of composition ST0.27B1073Oy , and a ternary monoclinic solid solution of composition SrCaBizOs rich in strontium . number ...
The region outlines the concentration interval of coexistence of the SrBi2O4 phases , rhombohedral solid solution of composition ST0.27B1073Oy , and a ternary monoclinic solid solution of composition SrCaBizOs rich in strontium . number ...
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HighTemperature Superconductors | 675 |
A Isupov | 698 |
Properties of Perovskitelike Layered Ferroelectric Compounds of the AmBi2MO3 + 3 Type | 705 |
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absorption According acid addition analysis angles anion aqueous atoms bands bismuth bonds calculated cations charge Chem chemical Chemistry chloride complex composition compounds concentration constant containing coordination Copyright corresponding crystal curve decrease dependence described determined diagram distances effect electron elements equilibrium exhibit experimental extraction Figure follows formation heating hydrogen increase indicate initial Inorganic intensity interaction ions Khim layers leads ligand measured melting metal method mixture molecules Moscow Neorg Note observed obtained oxidation oxygen parameters phase positions possible powder prepared present properties Publishing range ratio reaction REFERENCES region respectively Russian salts samples Sciences shift shows similar sodium solid solutions solubility solution space group spectra spectrum stability structure studied superconducting synthesis Table temperature thermal tion transition Translation values various vibrations X-ray diffraction