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( The values of the exothermal effects in the temperature range 500–650 K are given in parenthe- ses . ) The base line is shown by a dashed line . thermodesorption peak at 470 K. The water vapors that correspond to the low - temperature ...
( The values of the exothermal effects in the temperature range 500–650 K are given in parenthe- ses . ) The base line is shown by a dashed line . thermodesorption peak at 470 K. The water vapors that correspond to the low - temperature ...
Trang 1635
The existence of RE tellurium oxohalides in the range 22-25 mol % TeO2 is not finally established . Only Sm , TeO , Br3 was obtained as a single phase , and its XRD pattern was indexed in the tetragonal system [ 3 ] .
The existence of RE tellurium oxohalides in the range 22-25 mol % TeO2 is not finally established . Only Sm , TeO , Br3 was obtained as a single phase , and its XRD pattern was indexed in the tetragonal system [ 3 ] .
Trang 1748
It was shown that phases of variable composition with a pyrochlore- type or an ilmenite - type structure form in the ranges 0.20 ≤ x < 0.50 and 0.50 ≤ x ≤ 0.70 , while sodium ortho- antimonate forms at x = 0.75 .
It was shown that phases of variable composition with a pyrochlore- type or an ilmenite - type structure form in the ranges 0.20 ≤ x < 0.50 and 0.50 ≤ x ≤ 0.70 , while sodium ortho- antimonate forms at x = 0.75 .
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First International Workshop Sulfurous Compounds and the Environment | 1448 |
Vol 42 No 10 | 1449 |
Magnetoresistive Manganites La0 67Ca0 33MnO3 and La0 60Y0 07Ca0 33MnO3 | 1461 |
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absorption Academy acid addition analysis angles anions aqueous atoms band bonds calculated cations changes characteristic Chem chemical Chemistry cm-¹ complex components composition compounds concentration constant containing coordination Copyright corresponding crystal structure curve decrease dependence described determined distances effect electronic energy equilibrium experimental formation given H₂O heat hydrogen bonds increase indicate Inorganic Institute intensity interaction ions Khim ligand measured melting metal method molecules Moscow Neorg nitrogen observed obtained occurs Original oxide parameters pattern peak phase plane polyhedra polyhedron positions powder prepared present properties Publishing range ratio reaction REFERENCES refined reflections region respectively Russian salt samples Sciences shifts shows similar solid solutions solubility solution space group spectra spectrum studied synthesis Table temperature thermal tion trans transition Translation unit cell values vibrations