唐山地震

AR谱分析参数在唐山地震期间出现异常变化。

There are some anomalous changes of AR spectrum parameters during the Tangshan earthquake .

唐山地震前后地磁Z分量功率谱异常性质的探讨

A discussion on abnormal property of power spectrum for geomagnetic Z component before and after Tangshan earthquake

用滑动AR谱分析方法对唐山地震前后的张道口短水准资料进行了分析。

The short-base levelling data at Zhangdaou is analysed by the moving AR spectrum analysis .

计算得到地震矩为1.5×10（22）N·cm，说明唐山地震前后一年内的垂直形变是同震变化。

The seismic moment calculated is 1 . 5 × 10 ( 22 ) N · cm . It indicates that the vertical deformation within one year before and after earthquake is coseismic variations .

由P波初动半周期和初动振幅测定了唐山地震余震区小地震的震源参数和介质的品质因数Q。

The source parameters of aftershocks and the Q values of the crustal medium under the Tangshan aftershock area are estimated from respectively the half cycles and amplitudes of the first P arrivals of Tangshan aftershocks .

本文再给出1976年7月唐山地震以外的我国10次地震前地电阻率（ρx）变化的震例，其中包括M≥6的强震震例5次。

Other then the 1976 Tangshan Earthquake , ten more examples of changes in earth-resistivity ( px ) prior to strong earthquakes , five of which with magnitudes M ≥ 6 , are given in this paper .

华狮根据这一协议引入北美的首部影片是华谊兄弟推出的有关1976年中国唐山地震的影片《唐山大地震》（Aftershock）。

China Lion 's first film under the deal was Huayi Bros 's'Aftershock , 'a drama about the1976 Tangshan earthquake in China .

地震波载荷选用调幅后的唐山地震波，应用通用非线性动力分析有限元程序LS-DYNA进行求解，计算结果可为隧道的抗震设计提供有力依据。

Taken the amplitude modulated Tangshan Seismic wave as the simulated input , nonlinear dynamic analysis program LS-DYNA is chosen to carry out the earthquake-resistant analysis of the immersed tunnel to provide sufficient evidences for the anti-seismic design of the immersed tunnel .

1976年唐山地震为三主震型地震

The Tangshan earthquake of 1976-an event of triple main shock pattern

用近场记录研究唐山地震的震源过程

Source process study of the Tangshan earthquake using the near-field records

唐山地震孕育的卫星遥感信息及意义

The satellite remote sensing information about Tangshan earthquake and its meaning

唐山地震高烈度区场地条件对震害的影响

The damage anomaly of 1976 Tangshan earthquake in high intensity region

唐山地震破裂过程的三维分析

Three dimensional analysis of fracture process of the 1976 Tangshan earthquake

唐山地震震源深度分布与地壳结构的关系

The relationship between focal depth and crustal structure for Tangshan earthquake

调强放射治疗中强度分布优化方法的研究唐山地震强余震分布特征和迁移规律

Distribution characteristics and migration regularity of strong aftershock of Tangshan earthquake

唐山地震时，许多建筑物都倒塌了。

During the earthquake of Tangshan , many buildings caved in .

唐山地震可能伴随的地电导率变化

Possible changes of earth conductivity accompanying the Tangshan earthquake of 1976

唐山地震时砂土液化影响因素的统计分析

Statistical analysis of factors causing liquefaction of sand during Tangshan earthquake

唐山地震热力源的研究

Investigation on the thermal force sources of 1976 Tangshan earthquake

唐山地震前后的应力变化

The variation of regional stress before and after the 1976 Tangshan earthquake

唐山地震前兆机制的数值模拟

Digital simulation on Precursory mechanism of the 1976 Tangshan earthquake

唐山地震前后的水平形变

Horizontal deformation before and after the Tangshan earthquake of 1976

唐山地震前后的重力观测资料分析

Some analyses of gravity observations before and after Tangshan earthquake

1976年唐山地震前的重力位二次微商变化

The secondary derivative change of gravitational potential before Tangshan earthquake

1976年唐山地震前后的重力变化和震区莫霍面的变形

Gravity variation and Moho Surface deforma-tion before and after 1976 Tangshan earthquake

那年我一家人在唐山地震中幸存下来。

That year my family all survived in the earthquake in Tangshan .

河北唐山地震后孤儿的心理变异及其社会化治理

Psychopathology and Socialized Direction of Orphans in the Tangshan Earthquake

唐山地震前地震活动模糊熵值的异常特征

Researches on seismicity fuzzy entropy anomaly characteristics before Tangshan earthquake

唐山地震是我国20世纪以来造成损失最大的一次毁灭性地震灾害。

Tangshan earthquake caused the most loss in China from 20 century .

唐山地震序列的特征在中国大陆是有代表性的。

The features of Tangshan earthquake sequence are representative in Chinese Mainland .