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- The performance of abrasive waterjet depends on the impact velocity of abrasive. 磨料水射流的性能主要取决于磨料颗粒的冲击速度。
- The parameters studied include mass ratio, initial relative impact velocity, absolute mass and relative acceleration. 研究参数包括质量比、初始相对碰撞速度、绝对质量和相对加速度。
- It shows that, at the low impact velocity (250 m/s), twin deformation is primary and slipping defor. 结果表明:在温变形的初始阶段,孪生为主要的变形机理和硬化机制。
- The results indicted that the deformation range by the first pressure wave is proporational with impact velocity. 研究结果表明:泡沫铝试样在不同的冲击速度加载下变形量大小不同,随着冲击速度的增大,试样达到该冲击速度下的最大变形所需的压缩次数(冲击波的反射、透射过程)减少。
- It was concluded that the impact velocity and peak dynamic stress under the coplanar impact is quadratic relationship. 从结果可以看出:在共面冲击下,其动态峰应力和冲击速度之间是二次线性关系。
- Based on the model, the effects of the stiffener width, stiffener height and impact velocity of the projectile on the residual velocity were analyzed. 在此基础上,利用该模型分析了加筋靶板加强筋的宽度和高度以及弹体的初始速度对弹体剩余速度的影响。
- Lan VK,Vino DC.The influence of impact velocity and chest compression on experiment pulmonary injury severity in rabbits[J].J Trauma,1981,21:1022. 刘宝松,王正国,翁革文,等.;胸部撞击时胸壁的动力学响应与胸部损伤[J]
- The results show that the depth and diameter of craters change linearly with the projectile diameter when the impact velocity is a constant. 结果表明,弹丸撞击速度一定时,弹坑深度和弹坑直径均与弹丸直径呈线性关系。
- This velocimetry measures not only the impact velocity of a projectile, but also the velocity profile of a projectile penetrating a thick plate. 该系统不仅可以测量气体炮弹丸的着靶速度,而且还可以测量弹丸速度在碰撞过程中的连续变化。
- The efficiency of EPW under different boosting conditions was studied, and the efficiency has relations to the impact velocity and the different boosting conditions. 分析了不同助推条件下弹丸侵彻混凝土靶的效率,得出助推钻地弹侵彻效率与撞击速度、助推条件的关系。
- For a impact process with a normal impact velocity, the control equation for RKPM was deduced based on a small strain and incremental elasto-plastic constitutive law. 针对冲击速度较低的情况,假设冲击过程为小应变,并引入弹塑性增量本构关系,推导出冲击过程的再生核质点法计算控制方程。
- Last impacting velocity of the piston of pneumatic DHT hammer contacts nearly capability of pneumatic DHT hammer. 风动冲击器活塞的冲击末速度决定了冲击器的工作性能。
- Under different last impacting velocity,the stress and strain of the piston are analyzed. 风动冲击器活塞的冲击末速度决定了冲击器的工作性能。
- The equipment of "double light harrier" was developed and applied to measure object's velocity, which improved the precision of measuring impacting velocity. 作者提出并完成研制的“双挡光片法”测速装置,成功地解决了冲击速度的精确测定问题。
- Gazelles can move with astonishing velocity. 羚羊跑起来速度惊人。
- The investigations have been made on the effect of corrosive medium,impacted velocity of the abrasives and chromium carbon ratio (Cr/C) on the wear-corrosion behaviors of medium chromium white iron. 系统地研究了腐蚀介质、冲击速度及铬碳比对中铬铸铁腐蚀磨损性能的影响。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- These bullets fragment on impact. 这些子弹射中物体时爆炸成碎片。
- The car was moving at such a velocity! 那辆汽车的速度简直太快了!
- Gazelles can movewith astonishing velocity. 羚羊跑起来有时速度惊人。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries