In pyrometallurgical process,Al-and Si-bearing minerals in iron and aluminum ores are easily transformed into sodium aluminosilicates in the presence of Na2O co
Taking the joint matching coefficient(JMC)which represents the contact area ratio of the joint in rock masses as the key parameter,a one-dimensional contacted i
The increasing speed of trains necessitates the development of brake-disc materials that meet more stringent requirements.Therefore,Nb and V have been added to
Willemite is a common component of zinc and lead metallurgical slags that,in the absence of effective utilization methods,cause serious environmental problems.T