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pro vyhledávání: '"Dan Dan Yue"'
Publikováno v:
International Journal of Minerals, Metallurgy, and Materials. 24:1061-1066
The Al–Al2O3–MgO composites with added aluminum contents of approximately 0wt%, 5wt%, and 10wt%, named as M1, M2, and M3, respectively, were prepared at 1700°C for 5 h under a flowing N2 atmosphere using the reaction sintering method. After sint
Publikováno v:
Solid State Sciences. 66:38-43
The Al-MgO-Al 2 O 3 composite samples were prepared with alumina (fused corundum and sintered alumina), high purity sintered magnesia and aluminum powder. Creep test was carried out at 1300 °C and studied. The results show that the creep rate of sam
Publikováno v:
Key Engineering Materials. 697:345-349
Magnesia-spinel composites were prepared by sintering at 1800°C in N2 with fused magnesia, sintered magnesia, MgO-Al2O3 spinel as raw materials and Al powder as additive. The compositions and microstructure of sintered products were investigated by
Publikováno v:
Key Engineering Materials. 697:576-580
Al-Al2O3-MgO specimen was made with fused magnesia as aggregate, tabular alumina, fused magnesia and aluminum as co-matrix. It is sintered at 1600 °C under N2. Aluminum powder contents is 0%, 4%, 6%, 10% respectively. The result shows: the sample ha
Publikováno v:
Key Engineering Materials. 697:341-344
Al2O3-MgO-Al composites were prepared by sintering in carbon tube furnace at 1700°C under nitrogen atmosphere with tabular alumina, sintered magnesia and aluminum powder as raw materials. Effect of Al powder content on the porosity, microstructure a
Publikováno v:
Bioorganic chemistry. 83
Medicago sativa L. is a forage legume plant widely distributed in all continents. Six new triterpenoid saponins, Medicagosides A-F (1-6) and five known ones (7-11) were isolated from M. sativa. Their structures were determined via HRESIMS, 1D and 2D