Random good picture Not show

(151) A method is presented for use in establishing probability model of seismic intensity attenuation in regions with abundant data of isoseismal maps.

(152) Numerical analyses of seismic behavior have been completed on a steel frame structure with a T-shaped core plate frictional damper by applying ANSYS in Tianjin city in the present paper.

(153) The key of AVO processing is to keep amplitude feature to obtain high fidelity seismic section.

(154) In the paper , we have introduced the acquisition and processing method of three component seismic survey.

(155) Experimental research and analysis of the seismic behavior of reinforced concrete eccentricbeam-column joints with eccentricity larger than one-fourth of the column width are introduced.

(156) But to layered strata, the seismic wave path is complicated when reservoir changes, and it is difficult to directly define vertical time difference by pre stack far offset seismic data.

(157) The phase problem is one of the important factors that effect seismic reflective signal stack in same phase.

(158) In original seismic data, surface wave interference often conceals the effective signal and reduces the S/N ratio of data.

(159) In Jiyang depression, the locations of exploration well given by3D seismic allow useful-life possible about 5years.

(160) The difficulties of multi-component seismic data processing are converted wave dissymmetrical ray path and anisotropy.

(161) In order to spread this technique, I have made trial VSP modeling during shothole drilling: shallow seismic velocity survey during shothole drilling.

(162) The vertical pendulum tiltmeter in Karamay seismic station was transformed digitally with EDAS-3 16 digit data acquisition unit and MDS-2710 data radio.

(163) Simultaneously, the assessment is also carried out for the effects of earthquake dominant frequency ratio (EDFR) on the seismic control performance of the passive tuned mass damper (PTMD).

(164) The formation of the seismic landslide is complex and factors influencing the seismic landslide are multitudinous.

(165) The seismic analysis is carried out by step-by-step method in the time domain with inputting the three-dimensional earthquake ground motion for a K8 type cable-supported lattice shell.

(166) The seismic gap, belt distribution and frequency variation before this event are discussed in this paper, serving as a useful means of monitoring future activities in the area.

(167) The model DSQ water tube tiltmeter is a digital seismic precursory instrument developed in the 9th 5-year-plan.

(168) Fast Fourier Translation and FRF of impulse function are applied to research the transverse seismic response of shield tunnel, with step-by-step integral procedure being compared.

(169) One method used in a geophysical exploration is called seismic method.

(170) For the processing of seismic data with low signal-to-noise ratio, it is important to eliminate the coherent and random noises.

(171) Migration of the seismic activity is found before a big event.

(172) Wavelet transform involves the two-variate function of frequency and time, which makes it convenient to simultaneously compensate for attenuation of seismic energy in frequency and time domains.

(173) To raise vertical resolution, reservoir feature reconstruction is an effective method and seismic attribution interpretation is also very important.

(174) By means of the full-scale model on the shaking table for simulation earthquake action, the researches have been on the anti seismic ability of stone curtain wall connected by anchors. Sentencedict.com

(175) A formula is derived for calculating the lateral seismic response of 1-storied industrial building with a gable wall at one end under the action of travelling waves.

(176) Zero drift in main amplifier is one of the important factors which affects the stability and accuracy of the digital seismic data acquisition system.

(177) Many uncertain factors are involved in seismic performance evaluation and the probabilistic results drawn from inadequate information are suspectable .

(178) The technology of observing production performance by using micro - seismic method in swept region is concerned worldwide.

(179) The other is to make quantitive description of reservoir and recognition of reservoir fluids by using the series of seismic and its combination with petrophysics.

(180) In seismic data, it is often associated with bottom simulating reflectors ( BSR ) and blanking zone.