In the MIG with filler wire. With the increase of wire feed speed, transitioncoefficient of Zn trend to decrease.
MIG填丝焊接过程中，随着填入锡黄铜焊丝速度的加快，锌元素的过渡系数有减小的趋势。
2
The change of sound velocity with pressure, dryness degree, void-fraction, and phase-transitioncoefficient are analyzed. Some important conclusions are derived.
分析了两相流体中音速随压力、干度、汽隙率、相变系数等的变化关系，并从中得出了一些重要的结论。
3
The detailed analysis of charging process in the pulsed intense-electron-beamaccelerator is presented. And the expression of voltage-transitioncoefficient isdeduced as well.