SiC(p)/Al composites(volume fraction of SiC V_f=30~40%)were manufactured successfully bysqueeze casting,and its properties were investigated.The reinforcements di
When we use MOCVD technique,an excellent CdTe epi-layer was grown on GaAs substrates and theCdTe/GaAs hybrid substrates suitable for growing Hg<sub>1-x</sub>Cd<
In co-colouration systems of rare earth(Ⅲ) with a metal(Ⅱ), induced colouration and decolouration ef-fects between different rare earths have been discovered.