Dry sliding wear behaviors of the Al-10Ti alloy prepared by mechanical alloying (MA) were investigated and compared with those of the alloy obtained by the rapi
After measuring arc electrical current density distribution in gas tungsten-arc welding(GTAW) with a probe method, the new expression of body force and model of
The enthalpies of formation of the ternary compounds Al4NiY,Al2NiY,Al2Ni6Y3,Al16Ni3Y,AlNiY,Al3Ni2Y,AlNi8Y3,Al7Ni3Y2,and of the binary compounds Al2Y containing
The dynamics of forest ecology was studied. The pH values, electrical conductivities and concentrations of metal and nonmetal elements in rainfall, stream, thro