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- Basen on the criteria of the peak particle velocity(PPV) for blast-induced damage,the design approach for excavation blasting near contour of rock slope is discussed. 基于岩石爆破损伤影响范围控制的质点峰值振动速度判据,就临近岩石边坡开挖轮廓面的爆破开挖设计方法进行了探讨。
- the peak particle velocity (PPV) 质点峰值振动速度（PPV）
- Peak Particle Velocity(PPV) 质点振速峰值
- Peak particle velocity (PPV) 质点震动峰值
- AN IMPROVEMENT TO THE EQUATION FOR THE ATTENUATION OF THE PEAK PARTICLE VELOCITY 质点峰值振动速度衰减公式的改进
- Discussion on Application of the Peak Particle Velocity and Main Vibration Frequency in Blast Vibration Monitoring 质点振动速度与主振频率在爆破监测中的应用
- Peak particle velocity 质点峰值振动速度
- Densitometry was used to calculate peak particle diameters. 使用密度计去推算粒孚的最大直径。
- 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。
- peak particle vibration velocity 质点峰值振动速度
- Calculated particle velocity and concentrations in a spouted bed are in agreement with experimental data. 模拟得到的喷动床内颗粒速度和浓度实验数据吻合较好。
- Adiabatic shear instability will take place when the normal component of particle velocity excesses critical value. 发生绝热剪切失稳的条件是入射速度的法向分最大于碰撞过程的临界速度。
- The average particle velocity and concentration for the flotsam and the jetsam were unequal in the radial and axial directions. 随着表观气速的增大，颗粒浓度沿径向和床高分布趋于均匀。
- HUI Junying,LIU Hong.Study on the physical basis of pressure and particle velocity combined processing[J].Acta Acustica,2000,25(4):303-307. [2]惠俊英;刘宏.;声压振速联合信息处理及其物理基础初探[J]
- Acoustic vector sensor can measures the pressure and particle velocity information of the same point in acoustic field simultaneously. 摘要 声矢量传感器能够同步、共点地拾取声场的声压和质点振速。
- A new technique is developed to measure the spall characteristics of materials with embedded electro-magnetic particle velocity gauges in the sample. 中国科学技术大学;中国科学院材料力学行为和设计重点实验室;
- Vector hydrophone can measure energy and particle velocity at a point in space with one sensor and can estimate the bearing of target. 矢量传感器通过测量水中质点的振速信息，仅用单个的矢量传感器就可以进行水下目标的方位估计。
- The particle velocity in cold gas dynamic spray (CGDS) is one of the most important factor that can determine the property of the bonding to the substrate. 冷喷涂(CGDS)过程中粒子速度是决定粒子粘附性的最重要的因素之一。
- By increasing the length of Laval nozzle, an approach was presented to obtain higher particle velocity necessary for gas-solid separation in dusty gas of high temperature and high pressure. 提出了用增加缩放喷管长度的方法，使含尘高温高压气体中的灰尘颗粒获得实现气固两相分离所必需的更高动量的途迳。
- peak particle vibration velocityc 质点峰值振动速度
