The leaching kinetics of niobium from a low-grade niobium-tantalum ore by concentrated KOH solution under atmospheric pressure has been studied. Significant eff
In the double-sided arc welding system (DSAW) composing of PAW+TIG arcs, the PAW arc is guided by the TIG arc so that the current mostly flows through the direc
The electronic structures of new superconducting perovskite MgCNis and related compounds MgCNi2T (T=Co, Fe,and Cu) have been studied using MS-Xα method. In MgC
The effects of rare earths(RE)-Mg-Ti compound modification on the structures and properties of high-carbon high speed steel(HSS) were researched.The impact toug
Nanosized particles of hydroxyapatite (HAP) were synthesized by reacting Ca(H2PO4)2*H2O solution complex with equimolar Ca(OH)2 saturated solution in sodium bis