The effect of RE additive on the brightness of the chromium deposit, the dispersivity of the plating solution, the deposition speed and the current efficien-cy
UHVCVD-grown Si/Si1- xGex/Si heterostructure was investigated by Photoreflectance spectroscopy (PR). The principle of PR used in semiconductor film was thorough
Effects of rare earth (RE) additions on microstructure and mechanical properties of the wrought AZ31 magnesium alloy were investigated. The results show that, b
The copolymers were formed by the graft copolymerization of PVC with acrylic rare earth.The principle and method of the graft copolymerization of PVC and acryli