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With further heating in the region of 900 ° C , melting of the eutectic between Bi Gez012 and Bi12GeO20 occurs . A sharp exothermic peak at 960 ° C corresponds to the transition to melt of unreacted by this time GeO2 as the eutectic ...
With further heating in the region of 900 ° C , melting of the eutectic between Bi Gez012 and Bi12GeO20 occurs . A sharp exothermic peak at 960 ° C corresponds to the transition to melt of unreacted by this time GeO2 as the eutectic ...
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Figure 1c presents the heating curve of the product obtained by treating BOHN with an ammonium germanate solution at the molar ratio Bi : Ge = 4 : 3 . The first two peaks ( the endothermic peak at 120 ° C and the exothermic peak at 280 ...
Figure 1c presents the heating curve of the product obtained by treating BOHN with an ammonium germanate solution at the molar ratio Bi : Ge = 4 : 3 . The first two peaks ( the endothermic peak at 120 ° C and the exothermic peak at 280 ...
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AHM is the heat of melting of the solid phase , and R is the universal gas constant . ... Upon heating of the three - component samples Ina = Inry = -AH , / R ( 1 / Tm- 1 / T . ) , of compositions ( Pb0.67 C0.33 ) 0.6N20.4F1.6 and where ...
AHM is the heat of melting of the solid phase , and R is the universal gas constant . ... Upon heating of the three - component samples Ina = Inry = -AH , / R ( 1 / Tm- 1 / T . ) , of compositions ( Pb0.67 C0.33 ) 0.6N20.4F1.6 and where ...
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