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- The material inhomogeneity because of the low velocity layer has a great effect on geoid. 低速層的存在導致的物質(zhì)不均勻對大地水準面的影響比較大。
- Using refraction method to detect low velocity layer in intricate area is difficult infield and poor in effect, generally. 摘要在地表地形復雜的地區進(jìn)行低降速帶探測時(shí)，采用常規地震小折射方法，在現場(chǎng)難以實(shí)施，而且效果往往不佳。
- In Weihe graben, high and low velocity layer occurs alternately in upper and mid crust, which reflects the effect of faulting in shallow crust. 渭河盆地內上中地殼高低速度層交替出現，反映了斷層活動(dòng)在淺部的影響；
- The buried depth of Moho discontinuity is 26.5 km and beneath the Moho the velocity is about 4.7 km/s in average,including several small layers,especially an obvious low velocity layer just beneath the Moho. 莫霍面埋深為26.;5 km;莫霍面以下平均速度為4
- It is difficult for conventional reflection seismic surveys to get the information of low velocity layers underlain high acoustic impedance layers, such as evaporites and basalts. 在蒸發(fā)巖、玄武巖等高阻抗巖層發(fā)育地區，常規反射地震往往難以獲取高阻抗層以下的地層地質(zhì)信息。
- Combined with dominant depth distribution of many small medium earthquakes, we also discuss the correlation between seismo active layers and structures of high and low velocity layers. 最后;結合多次中小地震的優(yōu)勢深度層位;討論了多震層與高低速層結構的相關(guān)性.
- the low velocity layer exists in a very wide range of the mid-crust. The lowest velocity value is near 5.60 km/s; 中地殼在很大范圍內存在低速層;其最低速度值達5.;60km/s;
- low velocity layer 低速帶
- Gordian technique for separated layer instrument in slim hole. 小直徑井下分層治理工具關(guān)鍵技術(shù)
- This system focused on the anemometry at low velocity range. 該系統主要作用是針對低流速環(huán)境中的流速測定。
- THE RELATIONSHIP BETWEEN LOW VELOCITY LAYERS AND RHEOLOGY OF THE CRUST IN NORTH CHINA AND ITS EFFECT ON STRONG EARTHQUAKE 華北地區殼內低速層與地殼流變的關(guān)系及其對強震孕育的影響
- Laterally-nonuniform weathered layer and very low velocity of shear wavescause high P-SV static moveouts which show severe lateral variation. 由于低速帶橫向不均勻，橫波速度很低，造成了P-SV轉換波靜校正量大且橫向變化劇烈。
- Wide-angle reflection and refraction seismic has been success fully used to image zones beneath high velocity layer. 摘要廣角地震可以實(shí)現對高速屏蔽層下模糊區的地震成像。
- Fast and Reliable Method for Inversion of Rayleigh Wave Dispersion Curves for Lower Velocity Layers 低速夾層上瑞雷波頻散曲線(xiàn)快速穩定反演算法
- To prevent clogging of the pressure tap by fire solids gas is bled into the bed at low velocity at the taps. 為了防止測壓管嘴被微細顆粒堵塞，在管嘴處以低流速向床內注入氣體。
- The complex seismic wavefield beneath high velocity layer was investigated on layer stripping observations of seismic physical model. 通過(guò)地震物理模型的分層觀(guān)測，詳細研究了高速屏蔽層下的復雜地震波場(chǎng)。
- The cross-well seismic survey has no disturbance from low velocity belt,with high S/N and high sampling rate.A single sandbody,rhythmic layer and interbed can be differentiated with it. 井間地震無(wú)低速帶干擾,具有高信噪比、高采樣率等特點(diǎn),能夠識別單砂體、韻律層和層內夾層,在沉積微相劃分、微構造研究、低序級斷層識別、儲層精細描述等方面具有明顯的優(yōu)勢。
- The geothermal anomaly, low velocity zone and high conductivity layer in crust, and frequent occurrence of strong earthquakes show that the study area is an active area of modern tectonization. 地熱異常、地殼內存在低速層和高導層、強烈地震頻繁發(fā)生等現象說(shuō)明，這一地區是現代構造運動(dòng)的活動(dòng)區。
- The anticline structure model of overlaying variable velocity layer was established and the physical modeling testing and migration processing analysis carried out. 建立了上覆變速層的背斜構造模型，并對物理模擬實(shí)驗結果和偏移處理效果進(jìn)行了分析。
- To prevent clogging of the pressure tap by fine solids gas is bled into the bed at low velocity at the taps. 為了防止測壓管嘴被微細顆粒堵塞,在管嘴處以低流速向床內注入氣體。
