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(241) Reasonable ground treatment scheme selection will direct affect treatment purpose and project schedule when constructing large coal yard on soft and liquefiable ground in a highly seismic area.

(242) This paper reviewed the results concerning the precise measurement of seismic velocity variation and application, discussed the principle and application of the correlated detection.

(243) The results show that the methods developed in this paper are reliable, which can reasonably simulate the seismic collapse process of reinforced concrete frame structures with shear type deformation.

(244) Large—scale seismic belts andnetworks in the crustal seismogenic layer is a response to plastic—flow network in the lower lithosphere.

(245) In this thesis, based on the status of stratum, explaining and analyzing many pieces of seismic cross section plane, and getting structural styles and structural pattern of working area.

(246) Two-step approximate formula of seismic velocity in sand and shale formation is given on the basis of core analysis. logging data interpretation and wave velocity mechanism analysis.

(247) It is pointed out that we shall give full consideration to the millisecond delay detonator′s error, design method and checking computation method on seismic wave.

(248) To improve the function of plotter can make seismic acquisition quality up to a new level.

(249) While performing the seismic modelling experiment, it needs to have tens to hundreds of kilohertz and well-distributed orientation-dependent narrow pulse acoustic wave as simulation source.

(250) A seismic trace calculated from well - log data is called a synthetic seismogram.

(251) Starting off seismic convolution model, the author expatiate on the conception and design way of deconvolution.

(252) It is then pointed out that both major charge and minor shot hole which is plugged at top for good coupling should be used in high resolution seismic exploration.

(253) Channel capacity, which is the largest channel number to receive seismic data, is an important indicator of the hardware performance of seismic instruments.

(254) The seismic reflection signatures of gas hydrate-bearing strata are defined and the lithologic parameter closely related with gas hydrate, i. e. acoustic velocity, is identified.

(255) Vietnam alleges that Chinese boats cut a cable from a seismic survey boat off its coast in late May and impeded another last week, while China accuses Vietnam of illegally entering its waters.

(256) Beginning with an analysis of the complex wave fields in the seismic model experiment, this paper tries to provide some theoretical bases for the seismic method in metallic ore exploration.

(257) The paper studied the issue of low frequency in shallow parts of cross-hole seismic reflection sections using imaging principle and deduced frequency variation factor.

(258) The seismic methods, reflection and refraction,[sentencedict.com] are currently used in mining exploration.

(259) The viscoelasticity of a medium makes seismic wave have a constant phase delay when u...

(260) The inversion of seismic wavefield based on elastic wave equations is an interesting issue for seismology.

(261) The discovery of abnormal pre - seismic phenomena, a great leap in perceptual knowledge.

(262) Seismic location by P wave is realized by means of locating program of single phase when a larger shock occurred in or near the seismic station network and S wave was limited signal .

(263) High - resolution seismic method is an indispensably method of detecting active fault in city.

(264) The third part is about the anisotropy analysis of apparent resistivity at seismic stations.

(264) Wish you can benefit from our online sentence dictionary and make progress day by day!

(265) Some contents in the paper have reference value for frequency shaping circuit in seismic data system.

(266) Field experimental seismic sounding permitted us to obtain optimal shallow seismic reflection sounding parameters.

(267) According to the modern seismic conception, the critical zone of the RC member can be in the state of inelastic deformation after yield under strong motion.

(268) The field profile observation, indoor geological profile analysis, seismic profile analysis and the fission-track dating were used to study the formation age of dustpan fault depression.

(269) D prestack depth migration is an ideal seismic data imaging technique for the area where there occur very complicated geologic structure and severe lateral velocity variation.

(270) Numerical tests using the SEG-EAGE salt model suggest that this method is useful for confirming the special seismic acquisition geometry layout for target-oriented imaging.