根据热力学可以选择合适的形核剂。
The suitable nucleating agents can be selected according to thermodynamics.
研究结果表明，向钢液中加入形核剂可有效地扩大等轴晶区。
The results show that adding medium carbon nucleating agents into high carbon steel grade can effectively enlarge equiaxed grain zone and fine grain size;
金属凝固过程中加入形核剂是改善金属材料组织和性能的常用方法。
Adding nucleating agents to metal liquid is a common way to improve the structure and mechanical properties in solidification process.
就无机水合盐的过冷机理及非均匀形核的动力学机理进行了探讨，加入成核剂是降低过冷度的有效措施。
This paper discusses the nucleating mechanisms of the salt hydrates and comes to the conclusion that adding suitable nucleating agents reduces significantly the degree of supercooling.
介绍了合金的初生小晶面相的形核和生长机制，不同变质剂对其形态的作用机理。
The nucleation and growth mechanism and the effect of the different modificators on the morphology of primary faced crystal are introduced.
对以NFA作发泡剂的熔体发泡过程分析表明，发泡过程实际上是熔体中气泡的形核、生长、流变和破裂的动态平衡过程。
The foaming process of NFA was studied. The results show that the melt foaming process is actually a homeostasis process of bubble nucleation, growth, rheology and collapse.
对以NFA作发泡剂的熔体发泡过程分析表明，发泡过程实际上是熔体中气泡的形核、生长、流变和破裂的动态平衡过程。
The foaming process of NFA was studied. The results show that the melt foaming process is actually a homeostasis process of bubble nucleation, growth, rheology and collapse.
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