查询词典 microcrack

The essential feature of this model is the treatment of the dynamic fracture process as a continuous accrual of damage, where the damage mechanism has been attributed to the microcrack in the medium.

模型的基本特征是将脆性材料的动态破坏看作是连续损伤积累的过程，损伤来源于材料中的微裂纹。

This article reviews the literature on microcrack s associated with ultrasonic root-end preparation.

然而，该技术也存在一定的局限性，学者们对超声牙根尖倒预备后牙根切面出现的微裂现象进行了广泛研究。

When treatment temperature is increased to 140℃, the microcrack and a certain microphase mixing occur, which reduces the mechanical properties of the parts.

进一步提高热处理温度到140℃时，软硬段间发生了一定程度的微相混合，力学性能下降。

The size of microalloyed carbides is very small and some is only 2~3nm. So microcrack extending can be restrained.

并且，由于微合金碳化物尺寸很小，可达2～3nm，对于微裂纹扩展有一定的约束作用。

These T-stress effects depend on the sign and the magnitude of the T-stress as well as on the geometry of the microcrack arrangement.

当考虑T应力影响时，各向异性材料中的微裂纹对主裂纹的屏蔽效应比相同情况下各向同性材料中的微裂纹屏蔽效应更显著。

Compared with the actual landslide, the simulation result is good, which proves that the microcrack is the primary factor to control the rock slope failure; and it is very valuable for understanding the failure mechanism of the jointed slope.

通过与实际滑坡形式进行对比，模拟效果好，证明微裂纹是控制岩质边坡破坏的主要因索，对理解节理边坡的破坏机制具有重要意义。

Generally, a segmental chip is formed in turning composites due to the effect of dynamic microcrack behavior.

由于切削变形区微裂纹动态形成的作用，超精密切削该材料时一般形成锯齿型切屑。

Microcrack density and damage predicted by the damage nucleation and evolution equations are functionals of the materical structural parameters.

由损伤形核律方程和损伤发展方程所确定的微裂纹密度和损伤是关于材料组织结构因素的泛函。

By use of the concept of domain of microcrack growth the damaged status of micocrack in rock can be described accurately and the problem about damage development of rock under any complicated loading pathes can be solved.

采用微裂纹扩展域的概念，准确地描述了岩石中微裂纹的损伤状态，解决了任意复杂加载路径下的岩石损伤演化问题。

A comment of criterions of microcrack sliding is given; then a new sliding criterion in this thesis is put forward.

应用能量原理推导了张拉微裂纹的四阶均匀化刚度张量和四阶切线均匀化刚度张量。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。