Twelve samples of Co-Cu/Al2O3 were prepared by impregnating Al2O3 with cobalt salt followed by copper salt or vice versa. The composition of the prepared sample
The stability constants of complexes of 2-hydrazinobenzoic acid and 4-hydrazinobenzoic acid with Ni (Ⅱ), Cu (Ⅱ),Zn (Ⅱ), Cd (Ⅱ), and Hg (Ⅱ) were determined
The pressing bonding of steel plate with QTi3.5-3.5graphite slurry was studied. The relationship among preheating temperature of steel plate, preheating tempera
Nanocrystalline tungsten carbide thin films were fabricated on graphite substrates by plasma enhanced chemical vapor deposition (PECVD) at H2 and Ar atmosphere,