Yttrium and ytterbium were extracted from sulfuric acid medium using triphenylarsine(TPAs) dissolved in kerosene.The influence of different factors,such as shak
Leaching of nickel and cobalt from two physical grades(S1,125-190 μm,coarser and S3,53-75 μm,finer) of chromite overburden was achieved by treating the overbu
The characteristics of complete and partial decarburizations in spring steel 60Si2MnA were systematically investigated,including the microstructure,the hardness
A separation phenomenon occurring during the drop weight tear test of commercial thick-walled API(American Petroleum Institute) X80 strip steel was investigated