16Mn steel, 1Cr18Ni9 stainless steel, thermal sprayed Al2O3-TiO2 ceramic coating and nylonl010-5%Al2O3 coating were tested with an erosion-corrosion tester.The
The thesis describes an advanced digital solution to mining digital image monitor system, which makes up the shortage of the traditional mining analog image mon
This paper mainly discusses the selection of the technical parameters of fully-mechanized top-coal caving mining using the neural network technique. The compari
The 29Si and 27Al in modified and unmodified calcined kaolin were res earched and compared by using MAS NMR. The result shows that the chemical shift of -106