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- surface elastic layer 地表覆盖层
- The charge-discharge life could be increased by coarsening the ceramic interface, and coating elastic layer on the ceramic side surface. 研究表明通过对瓷体侧面采用玻璃釉粗化、涂覆橡胶弹性层,均可提高其界面粘接强度,延长寿命。
- R. M. White and F. W. Voltmer, “Direct piezoelectric coupling to surface elastic waves,” Appl. Phys. Lett. 7, 314-316 (1965). 陈永裕,层状表面声波元件之理论、实验及其应用,国立台湾大学应用力学研究所博士论文,中华民国九十一年一月。
- Most back-calculation theories are based on the linear elastic layer system and quietude analysis method, which neglected the nonlinear peculiarity of the pavement material. 现有的反算理论大多建立在弹性层状体系和拟静力分析方法的基础之上,忽略了路面材料应力应变非线性特性。
- Nondestructive test to determine the surface elastic modulus, shear modulus,brinell hardness of brittle and quasi-brittle materials and compressive strength ofconcrete were investigated based on the analyses of Hertzian contact. 首次采用球压法尝试了脆性和准脆性材料的表面弹性模量、剪切模量,布氏硬度和混凝土抗压强度的无损测试研究。
- Modelling coculation state between layers by means of a elastic layer, authers approach compliance and G 1 of delamination in ELS and ENF of composite. 采用层间结合的弹性层模型,讨论层间结合状态对ELS和ENF试样柔度与层间裂纹扩展力计算值G_1的影响。
- To evaluate the carrying capacity of the existing AC pavement,the surface elastic deflection is measured using the Beckman beam or FWD,and the compositive elastic modulus can be calculated. The standard control value of the modules recommended is 188 MPa. 采用贝克曼梁或落锤式弯沉仪(Falling Weight Deflectometer;FWD);测定旧沥青路面表面回弹弯沉;计算综合回弹模量;来评价旧沥青路面承载能力;并推荐控制标准值为当量回弹模量宜大于188 MPa.
- A low-frequency multi-mode ultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra-thin elastic layers is presented. 提出了用低频多模式超声兰姆波定征方法来估计超薄弹性层的纵波声速、横波声速、厚度和密度等参数。
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- A Modal Analysis on Plane Wave in Elastic Layer above Rigid Half- space 刚性半空间上的弹性层中的平面波模态分析
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- Solution of circle plate on elastic layer of finite depth by rigid bar method 用链杆法求解中厚度地基上圆板
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- IMPEDANCE INVERSION FOR ELASTIC LAYERED MEDIA 层状弹性介质的波阻抗反演
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜