您要查找的是不是:
- acoustic vibrating velocity 声振动速度
- For a vibrating plate, the vibrating velocity is reconstructed by iterative regularization method. 以振动平板为例,分别对简单振速分布和复杂振速分布采用迭代正则化方法进行了重构。
- The long-period cumulative settling characteristic and the dynamic characteristic including dynamic stress, dynamic deformation , vibrating velocity, vibrating acceleration reduced with the increasing of height under train load. 列车荷载作用下的基床动应力、动变形、振动速度、振动加速度、累积沉降都随着深度的增加而减小。
- Relationship between jointed slab and void of elastic foundation and acoustic features of resonator is studied by acoustic vibration. 采用声振法研究接缝和弹性地基脱空与声学特征变化的关系,利用有限元方法分析了有、无脱空接缝板的振动频率。
- Through analyzing the blasting vibration test data,the fact could be found that the average vibrating velocity of down-role-hole MS blasting was reduced by 26.66%,compared with that of down-hol... 通过爆破震动测试数据可以看出;孔内孔间延时爆破的平均振速比孔间延时分层爆破降低26.;66%25;比孔间延时深孔爆破降低43
- Piping vibration or damage caused due to dynamic loads, such as mechanical vibration, acoustic vibration, fluid hammer, pulsation and relief valve discharge. 由于动荷载引起的管道震动和损坏,例如机械震动,声波震动,液击,压力脉动和泄放阀门泄放时引起的震动。
- The problem of the parameter selection in the present experiential vibration velocity formula was pointed out. 从目前爆破振动经验公式入手,指出其中参数的选取存在的问题。
- Excavation blasting of pile-holes under the foundation of a highrise was carried out by use of short-delay blasting for control of particle vibration velocity. 在高层建筑基础底进行石方控制爆破,采用微差手段进行质点振速控制,成功地完成了基底石方控爆任务。
- Applying the theory of rheodynamics and hydraulic theory, a relationship of damping vs. vibration velocity, electric field strength and gas-filled pressure has been set up. 分析了阻尼力与振动速度、外加电场强度、充气压力等的数学关系,为减振器设计参数的优化研究提供了理论依据。
- The environmental tes ting ,specification,and analytic evaluation for full size spacecrafts or lau nch vehicles in acoustic vibration,separation shock and random vibration,as well as component testing and specification are emphasized. 重点介绍了实尺卫星或星箭合一声振、随机振动、分离冲击环境试验 ,试验规范与分析评估技术以及部件级试验与规范的进展情况。
- The range and size of void,detected by acoustic vibration,prove to be closely associated with the acoustics features. 为用声学特征进行地基脱空等缺陷无损检测提供了理论和实验依据。
- Simple harmonic vibration and its basic characters, vibration curve, vibration velocity and acceleration, differential equation of harmonic vibration, rotating vector, simple pendulum and complex pendulum. 简谐振动及其基本特征,振动曲线,振动速度和加速度;谐振动的微分方程;旋转矢量;单摆与复摆。
- Abstract: This paper discusses the vibration velocity of blasting seism and the reaction chart of the blasting vibration,and offers some helpful suggestions about solving engineering blasting problems. 文摘:对爆破地震的振动速度与爆破振动反应谱进行了分析和探讨,为解决工程爆破问题提供了参考意见。
- Through the field monitoring of blasting seismic wave and using the blasting shock damage criterion,the causes for the block-dropping in the adit were analyzed and the allowable peak particle vibration velocity for the adit was given. 通过现场爆破地震波的监测,结合爆破震动破坏判据,分析了平硐产生落块的原因,给出了平硐的允许峰值质点振动速度的建议值。
- characteristic length of acoustic vibration 声振动特征长度
- This paper discusses the vibration velocity of blasting seism and the reaction chart of the blasting vibration,and offers some helpful suggestions about solving engineering blasting problems. 对爆破地震的振动速度与爆破振动反应谱进行了分析和探讨,为解决工程爆破问题提供了参考意见。
- Beijing Acoustic Vibration Technology Corporation 北京新体感电子技术有限公司
- A vibration velocity measurement and research of a side blasting with non-floor pillar sublevel caving stoping for transforming opencast mining into underground mining in Daye iron mine is made. 对大冶铁矿东露天转地下开采无底柱分段崩落法回采挂帮矿爆破振动速度的测试与研究表明,质点爆破振动速度与单响最大爆破药量、爆心距、炸药种类和堵塞情况有关。
- There are four methods for ultrasonic characterization of tissue elasticity: imaging inspection techniques, vibration velocity measurements, quasi-static strain measurements and parametric methods. 用超声进行组织弹性定征的方法有四种:图像检查法、振动测量法、静态应变测量法和参数识别法。
- Gazelles can move with astonishing velocity. 羚羊跑起来速度惊人。