Based on lots of experiments, two temperature curves of Zinc freezing point stove with program control are established.
在大量试验的基础上，整定出两条锌点炉炉温程序控制设定温度曲线。
2
Electric heating pipe can be widely used in heating water, oil, air, nitrate solution, acid solution, alkali solution and low melting point metal (aluminum, zinc, tin, Babbitt).
This new method is compared with classical one and the writers point out the advantage of zinc powder full suspend in the turbulent flow of electrolyte.