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Under these run conditions , the medium - temperature ẞ - phase crystallized spontane- ously in several hours ; this phase melted congruently at 722 ° C ( Fig . 3 , curve 2 ) . The high - temperature a - phase crystallized only after a ...
Under these run conditions , the medium - temperature ẞ - phase crystallized spontane- ously in several hours ; this phase melted congruently at 722 ° C ( Fig . 3 , curve 2 ) . The high - temperature a - phase crystallized only after a ...
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TL mol % Ты SiO2 ( 3Na2O ( Na2O · Тр TE TE2 Ts 2SiO2 ) SiO2 ) 33.0 980 810 33.3 984 810 Phase - equilibrium temperatures ( ° C ) in the Na2O - SiO2 system to 0.05 ± 0.1 K / min was carried out , and the liquidus temperature was ...
TL mol % Ты SiO2 ( 3Na2O ( Na2O · Тр TE TE2 Ts 2SiO2 ) SiO2 ) 33.0 980 810 33.3 984 810 Phase - equilibrium temperatures ( ° C ) in the Na2O - SiO2 system to 0.05 ± 0.1 K / min was carried out , and the liquidus temperature was ...
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The high - temperature polymorph of AgBiSe , crystallizes in the cubic crystal system ( space group Fm3m ) with the unit cell parameter a = 5.82 Å [ 7,8 ] or a = 5.71 Å [ 1 ] ) . The low - temperature polymorph is rhombohedral ( space ...
The high - temperature polymorph of AgBiSe , crystallizes in the cubic crystal system ( space group Fm3m ) with the unit cell parameter a = 5.82 Å [ 7,8 ] or a = 5.71 Å [ 1 ] ) . The low - temperature polymorph is rhombohedral ( space ...
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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