Results 191 to 200 of about 19,382 (232)
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???????????? ???????????????????????????????? 14WO3???Nb2O5 ???? ?????????????????? ???????????????? ??????????????????

2009
?????????????????????? ?????????????? ?????????????????? ?? ???????????????????????? ?????????? 14WO3???Nb2O5, ?????????????????? ???? Al2O3, ZrO2, CeO2, Nb2O5. ???????????? ???????????????????????????????? ???????????????? ?????????????????????????????? ??????????????, ?????????????????????? ???? ??1 ?????? ??????????????????????????. ????????????????,
openaire   +1 more source

The binary system ZnONb2O5

Journal of the Less Common Metals, 1972
Abstract Phase relationships in the binary system ZnONb2 O5 have been re-determined. The compounds 3ZnO.Nb2O5, α-ZnO.Nb2O5, β-ZnO.Nb2O5 and 2ZnO.17Nb2O5 have been encountered. The compounds 3ZnO.Nb2O5 and β-ZnO.Nb2O5 melt congruently at 1312 °C and 1405 °C, respectively, but 2ZnO.17Nb2O5 melts incon-gruently to liquid +H-Nb2O5 at 1415 °C and exists ...
openaire   +1 more source

Eine mit ?-Ta2O5 verwandte Nb2O5-Modifikation: ?-Nb2O5

Die Naturwissenschaften, 1965
F. Laves, R. Moser, W. Petter
openaire   +1 more source

Neue Nb2O5-Modifikationen

Angewandte Chemie, 1964
H. Schäfer, F. Schulte, R. Gruehn
openaire   +1 more source

Fluorination kinetics of Nb2O5

Soviet Atomic Energy, 1971
�. G. Rakov   +3 more
openaire   +1 more source

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