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In this work , we used high - purity grade samples of cerium ( IV ) and germanium ( IV ) oxides precalcined at 250-300 ° C and stored them in a desiccator . The main investigative tool was resistivity measure- ment as a function of ...
In this work , we used high - purity grade samples of cerium ( IV ) and germanium ( IV ) oxides precalcined at 250-300 ° C and stored them in a desiccator . The main investigative tool was resistivity measure- ment as a function of ...
Trang 1452
In samples prepared by the sol - gel process , T - ZrO2 is observed even at 320 ° C ; however , transition to the ... samples pre- pared in the presence of water ( ZrOCl2 8H2O + 2NaOH ) or in its absence ( ZrCl4 + 2Na2CO3 ) have sim- ...
In samples prepared by the sol - gel process , T - ZrO2 is observed even at 320 ° C ; however , transition to the ... samples pre- pared in the presence of water ( ZrOCl2 8H2O + 2NaOH ) or in its absence ( ZrCl4 + 2Na2CO3 ) have sim- ...
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Samples were homogenized in an agate mor- tar with acetone each 40 h of annealing . An experimental data set for phase analysis ... The baseline shift and the displacement of a sample from the goniometer axis were also deter- mined .
Samples were homogenized in an agate mor- tar with acetone each 40 h of annealing . An experimental data set for phase analysis ... The baseline shift and the displacement of a sample from the goniometer axis were also deter- mined .
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Vol 48 No 9 | 1282 |
Simultaneous English language translation of the journal is available from MAIK NaukaInterperiodica Russia | 1446 |
Vol 48 No 11 2003 | 1615 |
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absorption acid activation analysis angles anion atoms band bond calculated cations Chem chemical Chemistry cm-¹ complexes components composition compounds concentration constant containing coordination Copyright corresponding crystal crystal structure curves decreases determined diagram distances effect electron energy experimental field formation formed function heating hydrogen increases Inorganic intensity interaction ions Journal Khim layer ligand materials measured melting metal method mixture molecules Moscow Neorg Note observed obtained oxidation oxygen parameters phase Physics positions prepared properties range ratio reaction REFERENCES refined reflections region respectively ring Russian salt samples Sciences shifts shown shows signals single sodium solid solid solutions solubility solutions space space group spectra spectrum spinel stability structure studied Synthesis Table temperature thermal tion trans transition Translation values vibrations X-ray diffraction