1) clean lumber
无缺陷材
2) clean timber
无缺陷木材
3) Macro defect free composites
无宏观缺陷材料
4) Wood defects
木材缺陷
1.
Automatic wood defects recognition based on texture extraction and support vector machine technology
基于纹理提取和SVM技术的自动木材缺陷识别
5) wood defect
木材缺陷
1.
This paper first defined gray morphology filtering methods based on mathematical morphology, followed with examples of a wood defect image treated before and after open, as well as closed, filtering treatments.
介绍数学形态学中的灰度形态滤波方法,给出对木材缺陷图像进行闭、开运算处理后的仿真图像实例,利用木材缺陷图像截面灰度分布对处理效果进行分析。
6) material imperfections
材料缺陷
1.
Effects of dilation angle on failure process and mechanical behavior for rock specimen with random material imperfections;
扩容角对初始随机材料缺陷岩石试样破坏过程及力学行为的影响
2.
For heterogeneous rock with initial random material imperfections in plane strain compression,the effects of end-restraint on the failure process and the stress-strain curve are numerically modeled,using FLAC.
平面应变岩样在单方向施加载荷条件下,采用拉格朗日元法(FLAC)模拟了端面约束对具有初始随机材料缺陷的岩样破坏过程及应力-应变曲线的影响。
3.
In uniaxial plane strain compression,the failure processes,precursors,acoustic emissions and overall deformational characteristics of rock specimens with initially random material imperfections were modeled using FLAC.
在平面应变压缩条件下,采用FLAC模拟峰后脆性对含初始随机材料缺陷的岩样的破坏过程、前兆、声发射及全部变形特征的影响。
补充资料：点缺陷(见晶体缺陷)
点缺陷(见晶体缺陷)
point defect
点缺陷point defeet见晶体缺陷。
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