介绍了一次加料式竖炉型直流炼钢电弧炉的研究、开发。
The research and development on shaft type D. C. arc furnace charging of once for all were introduced.
与一次加料法相比，采用单体滴加法时乳胶粒的粒径更小，粒径分布更窄；
Compared with one time addition, the particle size of latex by monomer dropping was narrow;
在直径相同的情况下，该机机盆内的有效容积大，一次加料量多，生产率高，机。
In the case of diameter of the pan is equal, the effective volume in pan of the mixer is larger.
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