1)Low velocity layer低速层
1.We analyse amplitude-depth curve and propagation characteristics of Lovewave in cross-borehole low velocity layer.本文研究了井间低速层Love型导波的振幅-深度曲线及传播特征。
2.The analysis shows that the formation and occurrence of strong earthquakes in North China are closely related with several structural feature: deep fault in crust, the low velocity layer in the middle and lower crust;difference .研究表明,地壳深部断裂、中下地壳低速层、速度结构的差异、泊松比和岩性的不同、复杂的壳幔过渡带、滑脱构造等构造特征与华北地区强震形成和发生有较为密切的关系。
3.(1)the thickness of the crust is thinner than that of the stations around;(2)the velocity in low velocity layer of S wav.结合以前得到的邢台、唐山震区及其附近 5个台站的速度结构 ,发现强震区具有以下几个大致相同的构造特征 ,即 :(1 )地壳厚度低于周围台站 ;(2 ) S波低速层速度低于周围地区 ,高低速层差异大 ;(3 )具有较低的上地幔 S波速度 ;(4)强震往往发生在低速层上面的高速层内或高低速层交界面上 ;(5 )易震层往往是两个低速层夹持的高速层等 ,并对这种结构易于发震的机理给出了分析。
英文短句/例句
1.In the earth's interior there are similar channels or low-velocity layers.在地球的内部有相似的通道或低速层。
2.Such low velocities are usually seen only near the surface in a zone called the weathered layer or the low-velocity layer.这样低的速度通常只在地表附近称为风化层或低速层的地带中见到。
3.The LV zone is due to interstitial free volatiles and incipient melting.低速层是由于空隙自由挥发和初期的熔融作用造成的。
4.In-situ Acoustic Properties Analyse of the Sediment in HangZhou Bay and Surface Low-velocity Layer Study;杭州湾沉积物原位声学特性分析及浅表低速层研究
5.the layer of slower flow of a fluid past a surface.速度较低的紧靠物体表面的流体层。
6.Estimation of 2D s-wave velocity section with low velocity layers by OCCAM algorithm低速软弱夹层二维横波速度结构的OCCAM反演
7.Finite Element Analysis of Laminated-toughened Composites under Low-velocity Impact层状化增韧层合复合材料低速冲击有限元分析
8.Numerical Analysis of Damage in FRP/Metal Hybrid Laminates Under Low Velocity Impact;FRP/金属混杂层合板低速冲击损伤数值分析
9.Research the Low-velocity Impact Performance of Hollow Integrated Core Sandwich Composites整体中空夹层复合材料低速冲击性能的研究
10.Studies on the Low-velocity Impact Damage Characteristic of Composite LaminatesT700/6421复合材料层板低速冲击后损伤特性
11.Application of Rapid Excavation in Roadway of Low Gas Permeability & Outburst Coal Seam Based on Deep-hole Pre-splitting Control Blasting卸压爆破在低透气突出煤层快速掘进中的应用
12.Fractal study of low permeability reservoir based on constant-rate mercury injection基于恒速压汞法的低渗透储层分形研究
13.Fast Determining Low-porosity Gas Reservoirs in Sanshuizhushan'gang Field三水竹山岗油气田低孔隙气层快速识别
14.ON THE CONTACT LAW AND STRUCTURE RESPONSES OF SANDWICH BEAM SUBJECT TO LOW-VELOCITY IMPACT夹层梁低速冲击下的接触定律与结构响应
15.Compression Failure of Composite Laminates with Low-velocity Impact Damage含低速冲击损伤复合材料层合板的压缩失效
16.Low filtration, low residue and fast flowing back are the premises of low reservoir damage.在压裂液的性能中，低滤失、残渣、速返排是储层低伤害的基础。
17.NUMERICAL SIMULATION FOR DELAMINATION OF COMPOSITE LAMINATED PLATE UNDER LOW-VELOCITY IMPACT低速冲击下复合材料层合板分层损伤的数值模拟
18.Analysis of the Delamination of Rectangular Symmetrically-layered Composite Laminates under Low Velocity Impact对称角铺设矩形叠层复合材料板受低速冲击时的解层破坏分析
相关短句/例句
low-velocity layer低速层
1.According to the results of analyzing low-velocity layer in the mid-crust (v_p≤6.根据中地壳低速层(vP≤6。
2.The analysis of the spatial distribution characters and attitudes of high-conductance layer,low-velocity layer and heat flow value anomaly respectively and their corresponding relationship proves that the electricity and velocity fabrics of lower crust in Qinghai-Tibet plateau are characterized by the vertical layering and horizontal dispersing.青藏高原及周边地区下地壳普遍发育电性高导层、波速低速层和热流密度值异常区。
3.Studies show that it is the tectonic superposition of the crust caused by the collision of terranes that results in the development of the low-velocity layers in the crust of most terranes.对高原多数地体的地壳中存在的低速层进行了研究,表明低速层的形成主要来自地体碰撞时,地壳的推覆叠置,使部分高原浅部上地壳的中酸性成分地层进入中下地壳的位置,仍为长英质岩性成分,尚未跨越固相点进入部分熔融状态。
3)low velocity zone低速层
1.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.地热异常、地壳内存在低速层和高导层、强烈地震频繁发生等现象说明，这一地区是现代构造运动的活动区。
4)low velocity and low resistivity zone低速低阻层
5)low interval velosity低层速度
6)ultra-low velocity zone(ULVZ)超低速层
延伸阅读
低速炸药分子式：分子量：CAS号：性质：见炸药。
