1) transient extension
瞬态扩展
2) transient diffusion
瞬态扩散
1.
The author supposes that a transient diffuse sound field satisfies the demands of Eyring reverberation formulae, and the traditional diffuse sound field is the limit of the transient diffusion.
作者认为,衰变声场为一瞬态扩散声场是伊林混响公式成立的条件,传统有关“扩散”声场的定义可以作为瞬态扩散的极限;各混响室对同一试件测量偏差很大的原因是其室内的衰变声场不是一个瞬态扩散声
3) instantaneous expander
瞬时扩展器
4) dynamic propagation
动态扩展
1.
By application of the theory of complex functions, dynamic propagation problems on mode Ⅲ asymmetrical interface crack were researched.
采用复变函数论的方法,对Ⅲ型非对称界面裂纹的动态扩展问题进行研究。
2.
By the measures of the theory of complex functions,dynamic propagation problems concerning the surfaces of asymmetrical mode Ⅲ crack subjected to moving loads were investigated.
通过复变函数论的方法,对非对称Ⅲ型裂纹表面受运动载荷的动态扩展问题进行了研究。
3.
By the theoretical method for complex functions, dynamic propagation problems concerning asymmetrical mode Ⅲ cracks were researched.
通过复变函数论的方法,对非对称Ⅲ型裂纹的动态扩展问题进行了研究。
5) dynamic growing
动态扩展
1.
Asymptotic fields of dynamic growing crack-tip on bi-material interface;
双材料界面动态扩展裂纹尖端的渐近场
2.
Asymptotic field of mode II dynamic growing crack along a rigid/viscoelastic Bi-material interface;
刚性-黏弹性材料界面Ⅱ型动态扩展裂纹的尖端场
3.
A mechanical model of creeping materials was established,in order to investigate the viscous effect in dynamic growing crack tip field of model Ⅱ.
为了研究粘性效应作用下的动态扩展裂纹尖端渐近场,建立了蠕变材料Ⅱ型动态扩展裂纹的力学模型,在稳态蠕变阶段,弹性变形和粘性变形同时在裂纹尖端场中占主导地位,应力和应变具有相同的奇异量级,即(σ,ε)∝r-1/(n-1)。
6) dynamic propagating
动态扩展
1.
A study on the field of dynamic propagating crack tip has vital significance to the material fracture destruction research,while the time-dependent mechanical properties of material have tremendous influence on the rigidity ,the intensity and the service life of the structure.
动态扩展裂纹尖端场对材料的断裂破坏研究有重要的意义,材料力学性质的时间相关性也对结构的刚度、强度和使用寿命产生较大的影响,同时,裂纹尖端的载荷参数,在表征裂尖场性质方面,应用十分广泛。
补充资料:扩展态(extendedstate)
扩展态(extendedstate)
非晶态材料中电子本征波函数不再是Bloch函数,其电子本征态分为扩展态和局域态,扩展态波函数遍及整个材料,电子占据整个材料具有有限的概率。由于晶格势能的无序涨落引起的散射,扩展态电子的迁移率远小于晶体中的共有化电子。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条