同时，假设断裂成核点随机分布于样品中，依据统计原理导出了一组完备的方程组，由此从理论上给出了碎片的数目及其大小分布关系式。
With the assumption that the sites of fracture nucleation are randomly distributed in the sample, we deduce out a set of enclosed equations for predicting the fragment number and size distribution.
除软包体型试样外，各点应变除趋势性变化外，都出现应变突变。据此提出应变成核概念。
Besides the tendency variation in each point, the strain mutation appears except the sample of soft inclusion, based on which the concept of strain nucleation is put forward.
其中会讨论在退火、旋节点分解、成核、成长以及粒子粗粒化等结构转变之过程中，所涉及的点、线和面的缺陷。
It considers point, line and interfacial defects in the context of structural transformations including annealing, spinodal decomposition, nucleation, growth, and particle coarsening.
利用光学显微术观察了原生晶体的表面形貌，发现了微管在晶体表面的露头点具有明显的多个螺位错成核特征。
It is found that outcrops of micropipes on the crystal surface possess remarkable feature of double or multiple screw dislocations.
实验结果表明，棒状缺陷和点状缺陷的数量比随低温成核退火时间的增加而减小；对于相同的成核时间，棒状缺陷和点状缺陷的比随成核温度增加开始上升，后来下降。
The experimental results show that the ratio of the bar-like defects to the point-like ones decreases with increase in time of nucleation annealing at a low temperature.
实验结果表明，棒状缺陷和点状缺陷的数量比随低温成核退火时间的增加而减小；对于相同的成核时间，棒状缺陷和点状缺陷的比随成核温度增加开始上升，后来下降。
The experimental results show that the ratio of the bar-like defects to the point-like ones decreases with increase in time of nucleation annealing at a low temperature.
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