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- vibration velocity wave 振动速度波
- 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。
- So that when conducting the blasting excavation,the measures of controlling vibration velocity,monitoring vibration extent,checking spring range,sound wave inspection and so on were . 爆破开挖采用振速控制、振动监测、回弹检测和声波检测等先进技术,使拉西瓦水电站坝肩和基础开挖达到国内一流水平,堪称“精品工程”。
- LI Jian-hua,ZHANG Long,YAN Rong-gui.Mechanism of rock slope unstability and critical vibration velocity under the action of blasting seism wave[J].Mining and Metallurgy,2001,10(1):11-15. [5]黎剑华;张龙;颜荣贵.;爆破地震波作用下的边坡失稳机理与临界振速[J]
- 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。
- 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。
- 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。
- 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。
- Since the vector sensor can simultaneouly pick up the sound pressure and vibration velocity，the informaation of phase shift among the sensors increases after being formed the array. 摘要 矢量水听器可同时拾取声压和振速信息，成阵后水听器间的相移信息量增大。
- 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 motions of LV walls and mitral annuli in 19 patients with myocardial infarction were observed by DTI spectra and tissue velocity imaging (TVI) curves. The velocity waves of DTI spectra and TVI curves were recognized in combination with ECG. 观察19例心肌梗死患者 ,记录左室壁及二尖瓣环DTI频谱和组织速度图 (TVI) ,结合心电图辨认各速度波。
- Study on Blasting Vibration Velocity in Tunnel 隧道爆破振动速度研究
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- magnet-electrical vibration velocity transducer 磁电式振动速度传感器
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
