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1)  nucleation rate
形核速率
2)  ferrite nucleation rate
铁素体形核速率
3)  nucleation rate
成核速率
1.
crystallization kinetics was studied for dipentaerythritol and pentaerythritol by analyzing the nexus of crystal size and crystal population density and the nexus of crystal growth rate and nucleation rate.
从结晶粒径与晶核数密度关系,晶体生长速率与成核速率关系着手,研究了二季戊四醇和季戊四醇的结晶动力学特性。
2.
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。
3.
The nucleation rates exceeding 10 35 m -3 s -1 were determined in molecular dynamics simulations at 300K to 600K for the freezing of molten (RbCl) 108 clusters.
分子动力学模拟测得熔融 (RbCl) 10 8离子簇在 30 0K至 6 0 0K温度时凝固的成核速率大于 10 35m-3s-1。
4)  nucleation speed
形核速度
5)  nucleation rate
形核率
1.
Ferrite nucleation rate in undercooled austenite during deformation in low carbon (Mn) steels with different C and Mn contents;
碳、锰含量对低碳(锰)钢过冷奥氏体形变过程中铁素体形核率的影响
2.
Based on the calculated method of stable nucleation rate,a theoretical analysis has been made on the effect of deformation above A_(e3)temperature to the nucleation of eutectioid ferrite transformation in low carbon steel.
应用Pillbox模型研究了低碳钢高温变形对先共析铁素体相变形核率的影响,主要依据稳态形核率方法进行计算。
3.
According to classical solidification theory and the mechanism of solidification microstructure under pulse current,the effect of super-cooling degree variation on nucleation rate was discussed.
通过讨论过冷度的变化对形核率的影响,研究了电流产生的电磁力效应及焦耳热效应对过冷度的影响,建立了电流与过冷度的关系式。
6)  nucleation ratio
形核率
1.
The results showed that undercooling degree increased,the nucleation energy decreased,the critical radius of nucleus become smaller,the nucleation ratio and nucleation number increased,and the grain size become finer with the improvement in cleanness of melt.
结果发现,随着洁净度的提高,高洁净钢和纯铁凝固的过冷度增加,形核功降低,临界晶核半径变小,形核率增大,凝固组织中晶粒的数量增加,晶粒得到细化。
补充资料:核燃料溶解速率
分子式:
CAS号:

性质:核燃料单位时间的溶解速度,它和很多因素有关:与燃料的种类,组成、制造工艺、烧结程度和辐照历史有关;也与溶解剂的组成、酸度、催化剂和溶解温度有关。通常辐照过的燃料要比未辐照的燃料溶解速率快。二氧化铀的溶解速率要比二氧化钚和二氧化钍要快得多。由238U吸收中子转变得的239PnO2的溶解速度几乎和二氧化铀一样,但混合氧化物燃料中的二氧化钚的溶解速率比二氧化铀要慢得多。二氧化铀在8mol/L硝酸中瞬时溶解速率约为在10mol/L硝酸中溶解速率的1/2,因此溶解过程中常用溶解液酸度和温度来控制溶解速率。

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