To assess the potential risk of mixed rare earths Changle for human embryo we used transplacental micronucleus test and single cell gel electrophoresis (SCGE) t
TiN coatings were deposited on polished substrates of W18Cr4V high speed steel by means of vacuum arc ion plating. The effect of cerium on adhesion between TiN
The development and properties of BNbRE rail steel and the effect of RE on rail steel were studied. The results show that the properties of rail steel (σb≥980