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- W2393077940 abstract "The adiabatic temperature (T_(ad)) of reaction 3Mg(l)+B_2O_3(l)=3MgO(s)+2B(s) will decrease with the increase of the excess coefficient of B_2O_3 in the thermal reduction of B_2O_3 with magnesium. This reaction can proceed in the way of self-propagating only if the excess coefficient (γ) of B_2O_3 is less than 1.102. Under this condition, the adiabatic temperature (T_(ad)) is 1 800 K. It is known through DTA curve that the beginning temperature of reaction is 750℃, and this reaction belongs to the mechanism of liquid-liquid reaction. It is also known by calculation of reaction 3Mg(l)+B_2O_3(l)=3MgO(s)+2B(s) that the apparent activation energy (E) is 18.8 kJ·mol~(-1), and the reaction order (n) is 0.7." @default.
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- W2393077940 date "2004-01-01" @default.
- W2393077940 modified "2023-09-24" @default.
- W2393077940 title "Calculation of adiabatic temperature and study on knietics of preparation of amorphous boron powder by heating reduction with magnesium" @default.
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