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.
提出一种以渐进谱为目标谱的生成幅值和频率非平稳地震加速度时程的迭代方法。
Then a new iteration method is developed for generation of random accelerograms non-stationary both in amplitude and frequency which are compatible with target.
这些结果是利用如下的两种方法获得的：其一是历史上地震数据的定性资料分析，其二是利用非齐次马尔柯夫模型的定量计算。
The prediction is made using the following 2 methods: the deterministic statistical analysis of the historical seismic data and the computation by means of the inhomogeneous Markov model.
提供了当存在垂直力源和纵向非均匀时，定量分析研究垂直剖面上的地震孕育过程及其前兆变化机制的方法和软件。
The method and soft of quantitatively analyzing and studying earthquake-generating process and its precursory variation mechanism in vertical section were given.
与其它方法相比，本文提出的方法具有高度稳定性和很好的精度，并适应于估计非最小相位地震子波。
Comparing with current method, it has high stability, good precision and can be use to estimate non minimum seismic wavelet.
本文用非线性力学方法讨论了地震过程的非稳定现象并建立了相应的突变理论模型。
This paper discusses the instabilities in an earthquake process by means of nonlinear mechanics and establishes a relevant catastrophic model.
非地震找油是对除地震勘探方法以外的物化探找油方法的总称。
Non seismic methods for oil include all geophysical geochemical exploration except seismic exploration one.
该方法及思路也可为其他非地震前兆的可信度评估所借鉴。
The approach of the above evaluation method can also be applied to other non-earthquake precursors.
在高斯假定下得到非平稳时间序列的协方差矩阵的转移形式。对一个实际的地震过程进行的数字研究结果证明本文方法是有效的。
The transition of the covariance matrix of the nonstationary time series is obtained with Gaussian assumptions. An actual earthquake is studied by the method proposed and satisfactory res…
方法：35例唐山大地震所致慢性PTSD患者(ptsd组)和33例经历过唐山大地震的非ptsd患者(对照组)接受了PTSD症状频度和心身健康问卷的评定。
Methods: 35 patients (PTSD group) with PTSD caused by Tangshan earthquake and 33 controls were assessed by PTSD symptoms frequency questionnaires and psychosomatic health questionnaires.
本文应用非地震勘探方法，以石亭江地区为例，进行隐伏构造研究，发现了隐伏断层，以之对地震资料从新认识与解释。
This thesis applied non-seismic methods, taking Shitingjiang area as example, to study concealed structure and find concealed fault.
本文提出了一个分析饱和非粘性土坝坡地震稳定性的方法，并对其中的每个步骤做了详细的说明。
A procedure of analysis to seismic stability of such dam slope is presented and its every step is described in detail.
该方法综合应用了地震、地质和测井等各种基础资料，克服了常规储层预测只注重地震资料的缺陷，它对于构造较复杂、储层非均质性较强的油田的储层预测比较有效。
It is an effective method for reservoir prediction in oil fields with complex structures and higher heterogeneity, owing to using various kinds of basic data i. e. seismic, geo...
该方法综合应用了地震、地质和测井等各种基础资料，克服了常规储层预测只注重地震资料的缺陷，它对于构造较复杂、储层非均质性较强的油田的储层预测比较有效。
It is an effective method for reservoir prediction in oil fields with complex structures and higher heterogeneity, owing to using various kinds of basic data i. e. seismic, geo...
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