高速层

具体表现为小折射排列长度太小（当低速带厚度较大时，无法追踪到高速层顶界面）、小折射资料的解释算法不合适及微测井深度明显不够。

The concrete shows are that the spread length of shallow refraction is too short to trace the top interface of high-velocity bed when the thickness of low velocity layer is large , inadequate interpretation algorithm of shallow refraction data and insufficient depth of uphole survey .

提出了采用P波广角反射和P波高速层内局部转换广角反射波消除火成岩高速层对地震波的屏蔽作用。

This paper proposed to overcome the shielding effects by using wide-angle P-wave reflections and localized converted waves ( PSPPSP ) .

WO3粉在高速层间剪切条件下的颗粒破碎特征

Broken characteristic of WO_3 particles under the condition of high-speed interlayer shear milling

主孔2000m总平均Vp速度为6.2km/s，它与地球物理探测方法获得的大别-苏鲁造山带上地壳具有6.2-6.3km/s高速层结论是一致的。

Overall average Vp velocity of main hole of 2000m rook is 6 . 2km / s which is correspondent to conclusion with high velocity zone ( 6 . 2-6 . 3km / s ) of the upper crust in Dabie-Sulu orogenic belt inferred from geophysical methods .

高速层屏蔽是地震勘探中的一个难题。

The shielding effect of high velocity layer ( HVL ) is a tough problem in seismic exploration .

因此在这类地区作数据采集时，采集参数要随地表高速层出露的形态和反射层的陡度而改变。

Therefore , acquisition parameters must depend on both the surface shape of cropped high velocity layer and the steepness of reflection horizons .

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。

Usually , the earthquake prone layer is the high velocity interlayer of two low velocity layers . ( The earthquake prone mechanism of such structure is analyzed ) .

东沙高磁异常含一定的高频成份，与新生代玄武岩及中生代岩浆岩有关，而其低频成份可能反映了发育的下地壳高速层。

The high frequency part of Dongsha high-value magnetic anomaly may be related with Cenozoic basalt and Mesozoic magmatic rocks , and the low frequency part developing high-velocity lower crust .

介绍了垂直电流测深法、油气藏的直接探测与评价、高速层下成像、以及电法和重力勘探方法的应用史例等。

The topics include vertical electric current sounding , detection and assessment of hydrocarbon reservoirs , imaging beneath high-velocity layers , and case studies of electrical and gravity prospecting methods .

常规静校正方法是先做低降速带校正，再做从高速层顶界面到统一基准面的校正。

Static corrections using the conventional method are basically conducted in two steps , the weathering correction followed by the correction from the top of the sub-weathering to the unified datum .

模型试验结果表明，该方法可以减弱高速层的屏蔽作用，提高深层目标层的反射波能量。

This paper proposed to overcome the shielding effects by using wide-angle P-wave reflections and localized converted waves ( PSPPSP ) . The effectiveness of the method was tested on modeling data .

根据表层结构模型逐点设计激发、接收参数，保证在高速层中激发和检波器与岩层的良好耦合；

The shooting and receiving parameters were designed point by point according to the surface structure model , thus ensuring the excitation in high velocity layer and a good coupling of geophone with rock ;

由于断块上覆火山岩高速层呈北厚南薄的楔状展布，复杂的速度变化制约了断块内构造形态的认识。

The overlying strata of volcanic rocks with high velocity spread in wedge shape being thick in north and thin in south , so they assume varied complex velocities that affect proper understanding of its inner structures .

慢度随深度线性变化和慢度随垂直单程旅行时线性变化的两种速度模型的旅行时近似式，适合于描述低速层速度变化较慢及高速层速度变化较快的地层结构；

The travel-time approximations in two kinds of velocity models : slowness being linear change with depth and with vertical one-way travel-time are suitable to describe the formation structure with slowly-changed velocity in low velocity layer and fast-changed velocity in high-velocity layer ;

此外，地震发生的深部部位与重力场、磁力场的高梯度变化以及地壳中的低电阻层、低速层和高速层的分布密切相关。

This is the deep structure background of occurrence of earthquakes Furthermore , the areas where deep earthquakes take place are closely related to the high gradient variation of gravity field , magnetic field , and to low resistance layers , low and high velocity layers .

等离子Mo-Cr共渗表面高速钢层的研究

Research on High Speed Steel Layer by Mo-Cr Plasma Surface Alloying

介绍了一种针对高速屏蔽层下弱反射层地震勘探方法&广角反射（WAR），并且对广角反射地震波特征及其影响因素作了较为深入的讨论。

A seismic survey method called wide angle reflection ( WAR ) used for exploration of weak reflectors below shielded layer of high velocity was described in this paper . The author analyses rather thoroughly the characteristics and influencing factors of seismic waves of WAR .

提出了适用于求解高速边界层特征值问题的Chebyshev多项式配置点方法，并将各种数值方法进行了比较。

It is suitable for solving eigenvalue problem of high speed boundary layer . Various numerical methods for the solution of linear stability equations for compressible boundary layers are compared .

高速簿层色谱扫描法分离测定3,5-diBr-PADAB的含量

High-speed TLC scanning method for separation and determination of effective component of 3,5-dibr-padab

高速五层瓦楞纸板生产线的降噪治理

Lower the Noises in the High-Speed Five Level Corrugated Board Line

高速屏蔽层下地震数据的采集

Seismic acquisition analysis in the area of high velocity shielding layers

高渗透力乳化沥青在京珠南高速透层施工中的应用

High Penetration Emulsified Asphalt Applied in Permeable Layer of Southern Beijing-Zhuhai Expressway

高效环保高速9层共挤高阻隔薄膜生产线

Highly environmental friendliness and high speed-9-layer coextruded high-barrier film line

88系列添加剂对高速镀锌层质量的影响

Effects of 88 Series Additives on the Quality of High-Speed Galvanization Coatings

杂质对高速镀锌层微观形貌及耐蚀性的影响

Influence of Impurity on the Micromorphology and Corrosion Resistance of High-speed Zinc Coating

高速屏蔽层下广角地震波场分析及成像方法

Wide angle seismic wave field analysis and imaging method below the high velocity shield layers

镀液流速对高速镀锌层粗糙度及织构的影响

Effects of Bath Flow Rate on the Roughness and Texture of High Speed Zinc Coatings

将旋转圆盘电极体系应用于高速镀锌层粗糙度的研究。

Rotating disk electrode system is used to study the coating roughness in high-speed zinc plating .

高速屏蔽层下弱反射层地震勘探&广角反射

A seismic survey method for weak reflectors below shielded layer of high velocity : Wide angle reflection

广角地震可以实现对高速屏蔽层下模糊区的地震成像。

Wide-angle reflection and refraction seismic has been successfully used to image zones beneath high velocity layer .