microseism
英
美
n. 微震；脉动
英英释义
noun
- a small earthquake
双语例句
- Influencing by the faults, the terrestrial stress size and direction on the plane differs greatly, which can make the outspread direction of the hydraulic fracturing change. Massive monitored results of on-site microseism artificial fracture azimuth has accounted for this point.
但受断层影响的平面地应力大小和方向差异较大，导致水力压裂裂缝的延伸方向有所改变，大量的现场微地震人工裂缝方位监测结果也说明了这一点。 - Gas outburst microseism precursor mode which is in the situation of structuring coal across region and fault in the coal seam are analyzed.
分析煤层开采过区域构造煤、断层情况下的瓦斯突出微震前兆模式。 - Analysis of Influencing Factors of Coal and Gas Outburst and Microseism Precusor
煤与瓦斯突出影响因素及微震前兆分析 - Microseismic monitoring technique has developed to a high technology in recent years. Precise location of microseism incident and the level determination is realized by sound ballistics, seismology and geophysics theory and computer.
微震监测技术是近几年来发展起来的一项高新技术，利用声发射学、地震学和地球物理学原理以及计算机强大的功能来实现微震事件的精确定位和级别大小的确定。 - High frequency vibrations did occur early in the microseism, and then the frequency was attenuated because of the damping of rock but not by the frequency dispersion of surface waves.
微地震过程中，先产生频率较高的振动，由于岩体阻尼而非面波频散引起振动频率衰减。 - Theoretical analysis and experimental results show that the method has the effect as same as Hall sensor in the event that ensure the DC motor start-up quickly and microseism, and no locked rotor.
理论分析和实验表明：提出的方法与霍尔传感器一样能保证无刷直流电机快速大转矩、小抖动、无堵转的平滑启动。 - Microseism source location with hierarchical strategy based on particle swarm optimization
基于粒子群算法的岩体微震源分层定位方法 - Application of Microseism in Site Predominant Period Testing
地脉动在场地卓越周期测试中的应用 - Study on the Characteristics of Microseism Changes Before Strong Earthquakes by Digital Seismic Network
数字地震台网大震前地脉动信息变化特征研究 - Design and Calculation for Generator of APDL Command Stream under Microseism of Factory House
厂房微振的APDL命令流生成程序设计与计算