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- nucleation undercooling 形核过冷度
- This equation covers nucleation on flat substrates. 这个方程适用于在平面基底上的成核作用。
- Can you think of another example of nucleation? 你想到其他成核过程的例子吗?
- The preparation of metastable materials was explored in view of the nucleation and growth kinetics by means of high undercooling and high velocity laser resolidification techniques. 通过深过冷和高速激光重凝技术,从形核和生长两个不同方面探索了块体亚稳相材料的制备技术。
- Both water droplets and bubbles require nucleation sites to form. 水滴和气泡均需要成核位置才可形成。
- The reason of the pit reduced the nucleation energy is analyzed. 分析和讨论了凹坑降低金刚石核形成能的原因。
- The nucleation rates as indicated by induction period are measured. 测定了以诱导时间表示的成核速率。
- The measured APT crystal nucleation orders are 1.88 and 2.15 respectively. 测出的apt结晶成核级数分别为1.;88和2
- Theory of nucleation when the foam has nucleation additves is also offered. 介绍了含有成核添加剂时的成核理论。
- With in creasing of the moisture,the nucleation rate of the green bau raises. 生球成核率随着水分的增加而提高;
- The nucleation rate indicated by inducement temporal hour was measured. 测定了以诱导时间表示的成核速率。
- The undercooling influences not only the grain size, but also the grain morphology of germanium. 过冷度不仅影响锗凝固后晶粒的尺寸,而且也影响晶粒的形貌。
- The DTA method was employed to measure the undercooling of samples during solidification. 利用差热分析法测定了试样在相同冷却速度下的过冷度。
- Calculations demonstrate the formation of facets and anisotropic undercooling distribution along the interface. 计算结果显示了小面的形成和界面上各向异性的过冷度分布。
- It is hopeful that the undercooling induced by a high magnetic field is big enough to make a whole solidification o... 利用强磁场有可能在材料中形成大的整体过冷,可实现材料的整体凝固。
- This article gives quantitative description of the relationship of the undercooling to the strength of pearlite. 本文提出了一个过冷度和珠光体强度间关系的定量表达式。
- What determines a particle's potential for nucleation is its "critical supersaturation". 粒子的“临界过饱和”决定了它的成核潜力。
- It can be concluded that the reason of dendrite refinement at different undercooling is not same. 但在不同的过冷度范围,凝固组织细化机制不同。
- The large undercooling nature of Sn alloys has been held responsible for the discrepancies among these experiments. 锡合金的低冷却的特性是导致这些试验有误差的原因。
- The effect of Nb.Mo.Ni on the structure and mechanical properties of undercooling gray cast irons isstudied. 研究了微量铌、钼、镍对过冷灰铸铁组织和力学性能的影响。