1) dynamic caustics
动焦散
1.
A blast loading measuring system with stable performance was established based on the principle of dynamic caustics.
用普通药包掏槽爆破和切缝药包掏槽控制爆破进行了透明材料模型的透射式动焦散试验对照试验 ,结果表明 ,在相同药量的情况下 ,普通药包掏槽爆破的裂纹在各炮孔周围为随机分布 ,裂纹数目多且较短 ,各掏槽炮眼间没有形成贯通裂纹 ,其焦散斑随裂纹分布 ;采用切缝药包掏槽控制爆破的裂纹主要沿切缝方向分布且较长 ,各掏槽炮眼间形成贯通裂纹 ,焦散斑主要分布在切缝方向上 。
2.
With consideration for resolving the problems existing in conventional smooth blasting and directional fracture controlled blasting,the double-pipe protecting borehole wall balsting process is investigated by dynamic caustics meassures.
针对光面爆破和定向断裂控制爆破在岩石开挖工程中存在的问题,采用动焦散线法研究护壁爆破过程。
2) dynamic caustics
动焦散线
1.
Experimental investigation on dynamic mechanical behaviors of cracks induced by V-notch borehole blasting with dynamic caustics
切槽孔爆破动态力学特征的动焦散线实验
2.
It is an effective new method to make further analysis of crack propagation for blasting fracture with dynamic caustics.
应用爆炸加载的透射式动焦散线测试系统,分析了爆炸裂纹的扩展规律。
3) dynamic caustics
动态焦散线
1.
Using the dynamic caustic-test system,the PMMA model transmission-type experiment of dynamic caustics was carried out to simulate the blasting process of rock with joints.
应用动态焦散线测试系统,模拟含节理岩体断裂爆破过程,进行了PMMA模型透射式动态焦散线实验,着重研究了爆炸初始裂纹与节理面夹角不同的情况下,裂纹尖端动态强度因子的变化规律、裂纹穿过节理面的扩展规律、以及炮孔与节理距离不同时裂纹穿过节理扩展的规律。
2.
Then, a simple layered plate under impact loading is studied experimentally using dynamic photoelasticity and dynamic caustics to investigate the models accuracy and stability.
为考察其精度和稳定性 ,对受冲击载荷作用的简单分层平板同时进行了动态光弹性和动态焦散线实验。
3.
The historis of the explosive stress wave acted on the crack and the hole are studied by means of uniting high speed cranz schardin photography with dynamic caustics.
将高速摄影技术与动态焦散线方法相结合，研究了爆炸应力波对裂纹、空孔的作用历史，记录了环绕它们的动态焦散斑图，给出了爆炸应力场中裂纹尖端复合应力强度因子的时间依赖关系以及空孔周围应力场分布的瞬态变化过程，为固体介质的爆破机理研究提供了新方法。
4) dynamic caustics method
动态焦散线法
1.
Experiment on reinforced with CFRP using dynamic caustics method;
碳纤维布加固机理的动态焦散线法试验
5) caustic
[英]['kɔ:stɪk] [美]['kɔstɪk]
焦散
1.
Using wave field continuation method to remove caustic effects;
利用波场延拓方法消除焦散影响
2.
Study of the scattering field in the caustic region of a two-dimensional concave antenna based on symplectic geometrical theory;
基于辛几何理论的二维凹面天线焦散区散射场
3.
The method of solving wave equations in caustic domain by symplectic geometrical theory, and the method of simplifying two-dimension wave equations in slowly varying nonhomogeneous medium by wavelet-transform theory are proposed.
本论文探讨了Maslov方法在波动方程高频近似中的应用及焦散区的具体求解方法；讨论了用小波变换化简二维非均匀缓变介质条件下的波动方程；本文还讨论了凹面反射的焦散现象、凹面反射焦散区的奇性种类，讨论了二、三维凹面反射波动场非焦散区、焦散区的计算方法。
6) Defocus
[英][di'fəukəs] [美][di'fokəs]
散焦
1.
Influence of Multipole Deflection Field on Electron Beam Defocus;
多极偏转场对电子束散焦的影响分析
2.
This paper introduces a practical method for computer to estimate the defocus blur parameter in cepstrum area.
介绍一种倒谱分析方法,使计算机能较好地识别散焦模糊参数。
3.
One is the defocus blur due to the optical system s defocus phenomenon,and the other is the motion blur due to the relative movement between the objectives and the camera.
在各种图像捕获系统中,有两种形式的图像模糊比较常见:一种是由光学系统散焦造成的散焦模糊;另一种是物体与照相机之间的相对运动造成的运动模糊。
补充资料：花心动 赠散妓蟾宫秀
【诗文】：
尘满人间，有谁能，分得广寒风度。漫道小娇，疑是前身，曾到岩花深处。九霄宫殿春长好，只合伴、霓裳仙侣。问何事，等闲回首，却迷尘趣。缥缈琼楼玉宇。柰雾鬓烟鬟，不胜风露。小试旧妆，才近芳尊，已变世间歌舞。想应羞见嫦娥寡，重来傍、巫山行雨。总忘了，青冥向来去路
【注释】：
【出处】：
尘满人间，有谁能，分得广寒风度。漫道小娇，疑是前身，曾到岩花深处。九霄宫殿春长好，只合伴、霓裳仙侣。问何事，等闲回首，却迷尘趣。缥缈琼楼玉宇。柰雾鬓烟鬟，不胜风露。小试旧妆，才近芳尊，已变世间歌舞。想应羞见嫦娥寡，重来傍、巫山行雨。总忘了，青冥向来去路
【注释】：
【出处】：
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