对周期确定较难的设备，通过静力地震系数法，确定地震作用，以求设备与建(构)筑物处于同等安全度。
If the equipment vibration period is hard to get, we could use the static force seismic coefficient theory to define the seismic effect to ensure the equal safety of the equipment and building.
在计算高层钢结构地震剪力时，周期应乘以0.9折减系数以考虑非结构构件对刚度的影响。
In calculating the seismic force of high-rise steel structures, the periods should be multiplied by a reduction factor (0.9) to account for the stiffness due to non-structural elements.
为此，本研究利用地震反演方法对本区的储层发育情况进行了预测，并利用PCD压力预测方法对地层压力系数进行了预测。
Therefore, this paper focused on the prediction of reservoirs by using seismic inversion and the prognostication of formation pressure by applying PCD method.
通过对大量地震震害调查，建立了同一工程项目的基本条件关联系数的近似处理方法。
Through large earthquake damage survey, we establish approximate treatment means on essential condition association coefficient of the same project.
利用这种关系用地震触发响应系数扫描方法，可在一个强震发生后预测下次强震发生的地点。
It might be used to predict the site of coming strong earthquake by using the scanning method of the seismic triggering response coefficient after a strong earthquake.
对两种不同控制律下变刚度半主动控制结构的地震影响系数进行了比较和分析。
Seismic influence coefficients of structures with active variable stiffness (AVS) systems, corresponding to two different control laws, are compared and analyzed.
结构的地震作用取值与结构的延性和超强有关，结构的延性和超强可用结构影响系数来反映。
The structural earthquake action value is correlated with the structural overstrength, structural ductility and overstrength can be reflected by the structural influencing coefficient.
最大熵反褶积是在地震子波为最小相位条件下进行的，其向前预测误差就等于反射系数序列。
The maximum entropy deconvolution is performed under the premise that seismic wavelet is of minimum phase, so the forward prediction error is equivalent to reflection coefficient series.
给出了K8型单层球面网壳地震内力系数的建议取值；
The suggested values of the earthquake action coefficient of K8 reticulated domes are given.
以桥墩的基本振型函数为基础，推导出基于试验动力参数的在役桥梁结构延性系数的计算公式，并给出了结构非弹性地震力的求解方法。
Based on the piers mode shape function, this paper studied the methodology of structure ductility coefficient by modal test and the procedure of the structures inelastic seismic force.
地震力降低系数对设防烈度地震作用的整体降低实际上决定了结构的屈服水准和对结构延性需求的大小。
Lower coefficient of earthquake seismic intensity of the security role in the decision to lower the overall structure of the yield of standard size and structure of the extensive demand.
多点地震动输入下反应谱组合系数可以采用数值积分计算，但效率低下。
One can calculate response spectrum combination coefficient under multipoint earthquake motion input by numerical integration, but it has a low efficiency.
在大量统计分析的基础上，归纳出可供实际工程设计参考的地震内力系数建议取值。
Based on the analysis result, practical seismic force coefficients for single-layer latticed cylindrical shells are proposed.
这表明，经过适当处理，是可以根据频率衰减系数的变化来预报地震的。
This shows that an earthquake may be predicted by making use of the variations of the frequency attenuation coefficient if the available data are properly processed.
本文研究表明，在某些情况下乘以1.15的增大系数是不能避免结构在罕遇地震作用下发生塑性变形集中。
In this article, it indicated that in certain circumstances, multiplied by the amplification factors of 1.15 can not avoid plastic deformation concentration in the condition of rare earthquake.
统计得出了各台所对应的地震震级与自相关系数异常面积和震中距的经验公式。
Empirical formulas between magnitude, anomalous area of the autocorrelation coefficients and epicentral distance for every station are statistically obtained.
本文采用动力非线性有限元法研究了钢筋混凝土面板堆石坝的地震反应，并用滑移面上的静、动应力求得坝坡抗震稳定安全系数时程曲线。
A study on the dynamic response of a rockfill dam with reinforced concrete facing excited by earthquake by means of nonlinear finite element method was presented in this paper.
前两种地震仪，它们的运动方程和传递函数已知，传递函数系数可以通过经典的分段标定方法求得。
For the first two kinds the equations of motion and transfer functions are known. The coefficients of the transfer functions are determined by means of classical step-by-step calibration.
在影响地震波振幅的诸多因素中，除反射系数外，最主要的是波前扩散和吸收的影响。
Among various factors affecting the amplitude of seismic record, wavefront divergence and absorption are the key ones, except reflected coefficients.
纵波的衰减系数在地震频带内基本上呈线性变化，而横波的衰减系数在地震频带内除低频外基本保持稳定。
The attenuation factor of longitudinal wave was changing linearly, whereas the attenuation factor of the slow shear wave kept nearly constant with a low frequency on the exploration seismic band.
本文针对地震模拟试验的特点，通过对具有代表性的强震地震速度记录的分析，建立了油源供油量系数的概念。
Based on the characteristics of earthquake simulation test, a concept of fluid dispensation coefficient is developed through the analysis of typical strong motion velocity records.
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。
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.
据此对地震序列事件进行聚类分组以及计算序列事件的滑动平均相关系数时序曲线。
Applying this method to earthquake sequence, the events with similar focal mechanism can be grouped, and temporal average correlation coefficient curve of earthquake sequences can be obtained.
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。
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.
对扭转不规则系数的主要影响因素进行了分析，为地震作用下结构的抗扭设计提供了理论依据。
The effect factors on the parameter of torsional irregularity were analyzed. The conclusion provides theory basis to torsional resistance design of structures under earthquake.
隔震体系最优屈服系数与输入地震动水平相关；
The optimal yield coefficient of the system is correlative with earthquake level.
引入结构屈服水平系数，建立了结构的延性需求谱，使地震动的幅值特性和频谱特性可以分开考虑。
By introducing the yielding level factor and constructing the ductility demand spectrum, the characteristic of peak values and frequency contents of ground motions are considered separately.
利用波的瞬时特性和波列长度，给出一种地震波形复杂性系数的计算方法。
In this paper, a method is proposed for computing the complexity of seismic waves on the basis of its transient features and duration.
对动圈式恒速度型过阻尼地震检波器相对阻尼系数的测量方法进行了研究。
It was devoted to the relative damping measurement for overdamped geophone with a moving coil of constant velocity.
对动圈式恒速度型过阻尼地震检波器相对阻尼系数的测量方法进行了研究。
It was devoted to the relative damping measurement for overdamped geophone with a moving coil of constant velocity.
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