The suitable nucleating agents can be selected according to thermodynamics.
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2. 拍摄了热疲劳裂纹的形核、成长、连接过程。
The nucleation, growth and connection of fatigue cracks were photographed.
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3. 采用连续形核模型来描述液相中的自发形核。
Continuous nucleation model is applied to describe heterogeneous nucleation in liquid metal.
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4. 第二次反应为形核孕育和爆发性反应二个阶段。
The second reaction consists of nucleation pregnant and exploded reaction stages.
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5. 其生长机理可以用对称性的形核生长模型来解释。
Their growth mechanism could be explained by symmetrical nucleation and growth model.
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6. 阐述了挤压铸造比压对形核率及成长线速度的影响。
Effects of the specific pressure on nucleation rate and linear growth velocity were expounded in squeeze casting.
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7. 位错形核现象。
The phenomena of dislocation nucleation.
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8. 形核期（组建一个强有力的班委，形成班级核心）；
The period to organize the core of the class committee.
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9. 应变诱发马氏体首先在原奥氏体晶界和孪晶界形核。
These lath martensite first nucleates in parent austenite intergranular and twin boundary.
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10. 研究发现，硫含量对裂纹塑性形核功的影响最显著。
The results indicate that sulfur content has marked influence on the crack initiation energy.
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11. 证实了位错塞积的存在及其对微裂纹形核的促进作用。
This verifies the existence of dislocation pile-up and its stimulation to the nucleation of microcracks.
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12. 方程的两类解分别代表表面马氏体和孪晶马氏体的形核。
Two kinds of solutions are obtained, which represent the nucleation of surface and twin martensites respectively.
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13. 孪晶结构的形成依靠堆垛层错的滑移运动而形核和扩展。
The formation of twin structure depends on the slip of stacking fault for nucleating and extending.
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14. 热冲击疲劳裂纹的形成与微孔洞的形核、长大和连通有关。
The crack formation of thermal shock fatigue is related to the nucleation, growth and join of microvoid.
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15. 本文研究了淬火面心立方金属内位错环和空洞的形核和长大问题。
The nucleation and growth of dislocation loops and voids in quenched face-centred cubic metals have been studied.
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16. 依靠随机涨落，形成贫碳区，贝氏体铁素体在贫碳的奥氏体中形核。
Carbon-poor area forms by way of random fluctuation and carbon atom diffusion. Bainitic ferrites nucleate in carbon-poor austenite.
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17. 脉冲电流对金属凝固组织的作用机理主要是脉冲电流诱发形核机制。
The mechanism that the solidification microstructure can be refined by pulse current treatment is primary pulse current induced nucleation.
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18. 在模拟过程中，采用连续形核的方法处理液态金属的异质形核现象。
Continuous nucleation model was used to describe heterogeneous nucleation of the liquid metal.
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19. 根据晶体生长理论，讨论了磁场影响纳米颗粒形核和长大过程的机理。
The mechanism of magnetic field effect on the nano particle nucleation and growth was discussed by crystal growth theory.
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20. 从形核的属性、速度以及过程的晶体学分析对其细化机理进行了解释。
The refinement mechanism was interpreted from nucleation attribute, nucleation velocity and crystallographic analysis in nucleation process.
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21. 得到了不同直径和手性角情况下碳纳米管缺陷形核和断裂的临界应变。
The critical strains of defect formation and fracture occurrence of CNTs with different diameters and chiral angles were obtained.
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22. 这是辐照缺陷及其相关复合体对氧沉淀形核过程起了加速作用的结果。
It is believed that nitrogen complex irradiation defects to form complexes, which enhance oxygen precipitation.
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23. 确定了超过冷条件下晶体组织的骤然细化起因于大过冷度下的高形核率。
The sudden refinement of crystal structure is determined by the high nucleation rate under large undercooling.
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24. 最后在经典形核理论的前提下讨论了奥氏体形变对铁素体形核率的影响。
The effect of austenite deformation on nucleation rate of ferrite is discussed with classical nucleation theory as well.
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25. 采用压痕法及扫描电镜观察，研究了抗磨贝氏体球铁中裂纹的形核与扩展。
Crack nucleation and propagation in wear-resistant bainite ductile cast iron were investigated by press trace method and SEM.
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26. 利用经典形核理论与瞬态形核理论计算讨论偏晶合金的两相竞争形核规律。
Phase competitive nucleation in the alloy was discussed by classical nucleation theory and transient nucleation theory.
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27. 当腐蚀促进的位错发射和运动达到临界状态时，应力腐蚀裂纹形核和扩展。
Microcracks of SCC initiated when the corrosion-enhanced dislocation emission and motion reached a certain condition.
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28. 为此，提出了一种新的粒子激发形核与亚晶倾转形核长大的混合再结晶模式。
A new dynamic recrystallization model consisting of particle-stimulated nucleation and sub-grain rotated-induced nucleation was proposed.
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29. 由孪生变形积聚的畸变能和非基滑移的启动导致了动态再结晶的形核与长大。
The distortion energy stored by twinning and the activation of non-basal slip are responsible for the nucleation and growth of dynamic recrystallization (DRX).
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30. 出现多形核白细胞浸润，表明血肿早期吸收，其见于注射自体血后48小时内。
Early absorption of the hematoma marked by polymorphonuclear leukocyte infiltration was seen within 48 hours of the ictus.
