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- The effet of long stress wave on lining of tunnel in the great depth of embedment 长应力波对于深部隧道衬砌的作用
- long stress wave 长应力波
- The paper analyses the stress wave propagating in a variable section bar using HONDO finite element computer program . 利用HONDO有限元程序对应力波在变截面杆中的传播进行了分析。
- Acoustic emission (AE) is stress wave produced when the materials are distorted, or under the outside load. 众所周知,声发射(AE)是材料在受到形变或外力作用时,迅速释放能量而产生的瞬态应力波,是进行结构诊断的重要依据。
- The mechanism of spallation is analyzed as a result of the interaction of the unloading wave and reflected stress wave. 分析了层裂机制,得出靶材是在卸载波及被反射的压力波的共同作用下发生层裂;
- The paper analyzes the reasons for emulsion explosive's passivation by the action of blasting stress wave. 文中分析了爆炸应力波作用致使乳化炸药钝化的原因。
- It is shown that the irregularity of the joint surface apparently affects the stress wave transmission. 研究结果表明:节理面不规则结构明显地影响应力波的传播性质。
- This paper presents a signal de-noising method using wavelet analysis in stress wave detection. 介绍了一种适合于管道应力波检测的基于小波变换的去噪方法。
- The interreaction between the weight hammer and the explosive sample is analysed making use of the stress wave theory. 从刚体动力学观点将这种相互作用简化为二阶系统,可得到一组关于应力、应力率和应力脉冲宽度的表达式。
- It has long stressed and supported international community's sustained efforts to promote arms control and disarmament. 长期以来,中国重视并支持国际社会为促进军控与裁军所作的持续努力。
- Structures, cutting mechanism and stress wave theory of the tunneller a re presented and analyzed. 文章对这种掘进机的结构、截割机理及应力波理论进行了介绍和分析。
- The process problems of composite structures using interference fit technology can be solved by use of Stress Wave Riveting (SWR). 分析了复合材料结构采用干涉配合技术存在的工艺困难,利用应力波铆接设备对碳纤维复合材料进行了干涉配合铆接试验,并对铆接质量进行了检测分析。
- It is the macro effect of accumulative micro fracture in all period of time that spallation failure is induced by reflection of stress wave emerges. 应力波反射诱发层裂过程的发生,是各个时刻不同加载条件下微破裂累积的宏观体现。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- The control equation of stress wave propagation in timbers is given in cylindrical polar coordinates,and the governing equations of the three comp... 用云杉作为一个实例;分析了其弹性常数;讨论了在对称和非对称情况下应力波的传播情况.
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- You can keep my book as long as you like. 我的书你要借多久都随你的便。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- The beggar spun a long yarn about his misfortunes. 那个乞丐编造了一大篇自己如何遭遇不幸的故事。
- The effect of growth rate and latewood percent on stress wave modulus of elasticity was more obvious than that on vibration modulus of elasticity. 应力波测试的动弹性模量和生长率及晚材率关系密切,超过振动测试的弹性模量和生长率及晚材率关系。