Each severe earthquake brings great damages and losses to people in China, which lies in a high-frequency earthquake region.
而我国处于地震多发区域,历次大地震都给人民造成了严重的生命和财产损失。
Acceleration and damage of superstructure under low frequency earthquake was larger than that under high frequency blast earthquake.
与高频爆破地震波相比,低频地震波所产生的结构加速度反应更大,对结构破坏作用更强;
Japan among the industrialized nations is almost certainly the uncontested champion with regard to earthquake frequency and intensity.
就地震频率和强度而言,日本在工业化国家中几乎肯定是无可争辩的冠军。
These include enhanced emission of infrared (IR) radiation from the earthquake epicentre, as well as anomalies in low-frequency electric and magnetic
包括从地震震中传出来的经过加强的红外辐射,以及不正常的低频电磁现场数据。
Wood, J. M. , et al. , " Effects of the 1989 San Francisco earthquake on frequency and content of nightmares. " J Abnorm Psychol, 1992. 101(2): p. 219-24.
等〈 1989年旧金山大地震对恶梦发生频率以及恶梦的内容的影响〉 《变态心理学期刊》,1992。101(2):219-24页。
The scientists are trying to calculate the frequency of earthquake in this district.
科学家正试图计算出这个地区地震发生的频率。
This provides a part of explanation for the phenomenon of frequency shifting before some reservoir earthquake.
这为某种水库地震前的频率转移现象提供了部分的解释。
Vibration test shows that the maximum acceleration response at the bracing top is not related to earthquake magnitude and its frequency characteristics since its sliding force remains unchanged.
动力试验表明,由于耗能支撑滑动荷载不变,它的顶点最大加速度反应同地震大小及其频率特性无关。
The four indicators, frequency, fatalities, sufferers and direct economic losses, measuring earthquake disaster have been studied in this paper.
本文研究了地震灾害的四大指标一频率、死亡、受灾人数、直接经济损失。
The seismicity levels on the active tectonic block boundaries are discussed considering the large earthquake frequency and the released strain energy in unit distance and time.
从各边界带上强震活动的频次和单位时间、单位长度的地震应变能释放出发,讨论了各活动地块边界带的强震总体活动水平;
At last, taking one earthquake as an example, this paper gives three dimension patterns of radius of the field with epicenter distance and azimuth as well as frequency.
最后,以一次地震为例,给出了孔径随震中距、方位角、频率变化的三维图象。
Based on the above-defined evaluation criteria, the evaluation is carried out for the effects of earthquake dominant frequency ratio (EDFR) on the seismic control performance of the ATMD.
根据选择的评价准则,评价了地震卓越频率系数(EDFR)对atmd抗震控制性能的影响。
As the most frequency post-earthquake disaster, the reason of the post-earthquake fire is sophisticate and its harm is huge.
地震次生火灾作为地震次生灾害中发生最频繁的灾种,起火原因复杂其危害性也十分巨大。
Through the frequency spectrum analysis of earthquake waves and the dynamic instability regions analysis, the dynamic stability of serial system can be judged under a certain earthquake wave.
通过地震波的频谱分析,结合体系的动力失稳区间分析,可判断在某竖向地震作用下,串联体系并无发生失稳的可能。
The feature that structures have the selectivity to the earthquake motions frequency and structure response has the close corresponding relation with instantaneous energy spectrum is pointed out.
指出了结构对地震动的频率具有选择性,结构的响应与瞬时能量谱之间具有密切的对应关系。
The G-R relation between the earthquake magnitude and frequency has been an important premise in seismological study, but its actual distribution often deviates from its theoretic result.
地震震级频度的古登堡·里克特关系式(简称g - R关系式)一直是许多地震学问题研究的重要前提之一,然而实际分布常常与这一关系式有一定的偏离。
In this paper, the law of earthquake ground motion is analyzed comprehensively by taking account of duration, frequency characteristic and peak index of energy distribution.
本文从强震持时、频谱特性和能量分布峰态系数等三个方面对地震地面运动规律进行综合分析,提出了一种较为客观的地震地面运动分类方法。
Compared with classic wavelet technique, the proposed method can adjust not only the low frequency components of earthquake wave, but also the high frequency components.
和传统的小波分析相比,该方法不仅对地震波低频分量进行精确调整,还可对其高频成分实现类似的调整。
The natural vibration frequency and type, the dynamic characteristics of damping is important, car, wind power calculation and analysis of the earthquake.
结构的固有振型、频率和阻尼是重要的动力特征,是车振、风振及地震分析等动力计算的基础。
There exists a large variation of velocity with temperature and frequency, which can be applied as the omens of earthquake or fatigue damage.
波速比随温度升高波动大,无规律可循,随频率升高明显下降。这些可作为地震或其他疲劳损伤的前兆。
The natural vibration frequency and type, the dynamic characteristics of damping are important, Car, wind power calculation and analysis of the earthquake are presented.
结构的固有振型、频率和阻尼是重要的动力特征,是车振、风振及地震分析等动力计算的基础。
The natural frequency and mode of the oil storage tank with an in-floating roof supported on the ground are calculated, and its dynamic response to the horizontal earthquake motion is analyzed.
本文着重计算和分析了刚性基础上的内浮顶油罐的固有频率、振型和水平地面加速度作用下的动力响应。
Experimenting the result expresses that different earthquake wave has little influence to frequency.
试验结果表明,不同的地震波对卓越频率的影响不大。
By using the space frequency of linear image, the correlation coefficients of the frequency to earthquake magnitud are calculated, the values of which are 0.
运用影像线性空间频率计算各震区活动断裂、线性影像与地震震级的相关系数在0。
The lack of earthquake curve and frequency curve all showed low value anomalies.
北京地区缺震曲线、频度曲线都出现低值异常。
By analyzing the early phase of frequency decay, it is possible to identify multi-shock earthquake sequence, but it is difficult to rapidly judge intermittent double-shock and swarm.
分析地震序列前期的时频度衰减曲线有可能区分出多震型地震,但快速区分间歇双震型和震群型地震较为困难。
The higher the frequency of the artificial earthquake wave, electromagnetic wave and sonic wave, the higher the resolution, but the attenuation is very fast and the exploration depth is very shallow.
人工地震波、电磁波和声波的频率越高,分辨率越高,但衰减快,可探测深度也降低。
The influences of earthquake amplitudes, frequency and duration time on the different rock cavern displacements are primarily studied by using FLAC3D.
利用FLAC3D初步分析了地震荷载作用下地震波振幅、频率及持续时间对地下岩体洞室位移特征的影响。
The influences of earthquake amplitudes, frequency and duration time on the different rock cavern displacements are primarily studied by using FLAC3D.
利用FLAC3D初步分析了地震荷载作用下地震波振幅、频率及持续时间对地下岩体洞室位移特征的影响。
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