The hexagonal BaLaxFe12-xO19 fine powders with M-type structure were synthesized by sol-gel method. The pH of the solution, the molar ratio of nitrate to citric
Wavelet transforms(WT) are proposed as an alternative tool to overcome the limitations of fast Fourier transforms(FFT) in the analysis of electrochemical noise(
The XRD spectrum of titanium-coated diamond showed the existence of titanium carbide on the interface between diamond and its titanium coating. The diffusions b
The mechanism of pre-roll ploughing for 3D fins on the outside surface of copper tube was studied systematically, and especially the process and conditions of 3