能使成球辊成形出的铜球整体圆整度好,表面光滑无突,致密度优异并且成球效率高,以及在成球过程中没有材料损耗。
The ball forming process has high efficiency and no material loss, and the formed ball has high sphericity, smooth surface and high density.
确定了载体中含水及含醇的较佳范围,并指出二氯化镁醇合过程中加酯进行喷雾成球对载体形态和对催化剂聚合行为均不利。
The optimum values of them in the supports are found. It is suggested that the addition of ester during spraying has detrimental effects on the support particle morphology and olefin polymerization.
采用这一工艺过程进行连续成型试验,成球系数达到86.5%。
The determined technological process is applied to the continuous briquetting test with the agglomeration ratio reaching 86.5%.
外观最醒目特征是具有球颗构造,从化学成分和岩浆性质分析,球颗构造是成岩过程中岩浆不混溶的直接产物。
Analysis of their composition and magmatic properties shows that the spherolitic structure was the direct product of magma immiscible, which controled ther.
PVP在制备过程中分别呈现出成核、成球及分散稳定的作用, 从而实现了聚酰亚胺材料在微米尺度上的微球化。
PVP played roles of nucleation, balling and dispersion respectively in the whole process. The polyimide microspheres could be prepared in the micro-scale by this way.
而中空二次粒子球的形成则是一个动力学控制过程,在整个成球反应过程中,石英粉的溶解速度是关键。
The formation of hollow secondary particles of xonotlite was controlled by kinetics. The dissolution speed of quartz is important in forming hollow secondary particles of xonotlite.
而中空二次粒子球的形成则是一个动力学控制过程,在整个成球反应过程中,石英粉的溶解速度是关键。
The formation of hollow secondary particles of xonotlite was controlled by kinetics. The dissolution speed of quartz is important in forming hollow secondary particles of xonotlite.
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