查询词典 acoustic velocity

The acoustic phased arc array transmitter can be used in azimuthal acoustic reflection logging. It evaluates the azimuthal variation of borehole formation acoustic properties, which is useful for complex reservoir recognition and evaluation.

这种相控圆弧阵声波辐射器用于方位反射声波测井新技术中，可评价井旁地层声学性质沿井周方向的变化，有助于复杂油气藏的识别和评价。

The acoustic phased arc array transmitter can be used in azimuth acoustic reflection logging and evaluate the azimuth variation of acoustic properties in the borehole formation and also be useful for complex reservoir recognition and evaluation.

这种相控圆弧阵声波辐射器可用于方位反射声波测井新技术中，能评价井旁地层声学性质沿井周方向的变化，有助于复杂油气藏的识别和评价。

A kind of acoustic phased arc array transmitter was designed for azimuthal radiation. 3D Finite difference method was used to calculate acoustic field in borehole formation generated by the acoustic phased arc array transmitter in fluid-filled borehole.

设计一种具有方位辐射特性的声波测井相控圆弧阵声波辐射器，采用三维有限差分法对其在井旁地层中产生的声场进行了数值模拟。

An acoustic phased arc array transmitter with azimuth radiation was designed. The acoustic field generated by the acoustic phased arc array transmitter in the borehole formation was simulated using the 3D finite difference method.

设计了一种具有方位辐射特性的声波测井相控圆弧阵声波辐射器，采用三维有限差分法对其在井旁地层中产生的声场进行了数值模拟。

That isn't to say that Linstead plays the acoustic guitar exclusively on-stage or in the studio; while the acoustic guitar is his primary instrument, Linstead also plays mandolin, violin, bass, acoustic piano, electric keyboards, various wooden flutes, and the bouzouki (a traditional Greek string instrument).

这就是说，Linstead只在舞台上或录音棚里演奏非电声吉他；虽然非电声吉他是Linstead主要演奏的乐器，他也演奏曼陀林、小提琴、贝斯、声学钢琴、电声键盘、各种木笛，以及布祖基琴。

By establishing the standard analysis graduation pattern of acoustic logging data,the distribution law that interval transit time of the key horizon declines with the increase of buried depth is obtained, and acoustic logging data are processed according to the same standard using correlation analysis, which corrects the system error caused by apparatus so as to give an assurance of acoustic logging data accuracy and its application in other aspects.

本文通过建立声波测井数据标准化分析刻度模式，给出了&标准层处的声波时差随着埋藏深度的增加而呈递减趋势&这一分布规律，并利用相关分析技术，对头台油田的声波测井资料进行统一的标准化处理，从而克服仪器刻度的不精确性造成的系统偏差，为提高声波测井资料的可靠性及在其它方面应用提供保证。

Electro-acoustic equipment categories: electro-acoustic device test system, characteristics of piezoelectric transducer tester, test sensitivity sorting device, sound level meter, precision signal source Sweep, Sweep audio device, the standard sound source, standard test microphone, IEC318 Simulation of the ears, mouth simulation, speakers polarity tester, telephone analyzers, such as electro-acoustic type of testing equipment.

电声器件测试系统、压电换能器特性测试仪、灵敏度测试分选仪、声级计、精密扫频信号源、音频扫频仪、标准声源、标准测试话筒、IEC318仿真耳、仿真嘴、喇叭极性测试仪、电话分析仪等电声类测试仪。

Experimental investigation indicates that shock wave velocity and shock wave pressure of beginning which were produced with aluminize RHTL were smaller than that of insensitive RDX in steel plate, however, attenuating velocity of shock wave velocity and shock wave pressure which were produced under contact explosion with aluminize RHTL were quciker than that of insensitive RDX in steel plate, when steel- plate had been separately operated under contact explosion with insensitive RDX and aluminize RHTL, and shock wave press had changed suddenly in the interface between steel and aluminum, In the circumstances, the shock wave velocity had ascended suddenly and shock wave pressure had descended suddenly.

实验研究表明：RHTL炸药爆炸加载钢板下，介质中的冲击波初始速度和初始压力相对RDX较小，衰减相对较快；钝化RDX和含铝炸药RHTL分别作用于钢铝复合板时，在分界面处冲击波速度和压力都发生突越，冲击波速度突跃，冲击波压力突降。

In this paper, we research the imaging problems beneath volcanic area. We sort common asymptotic conversion point gathers and perform velocity analysis to establish the initial velocity which will be used in PSTM. By scanning migration velocity and V p/ V s, we get the optimum migration velocity and

本文针对火山岩地震屏蔽层的转换波成像问题，通过对转换波共近似转换点道集进行速度分析，建立了转换波叠前时间偏移的初始速度场，通过速度扫描和纵、横波速度比值扫描确定最佳的偏移速度场和纵、横波速度比值，实现了在火山岩高速层覆盖区域的转换波偏移成像。

Therefore, the 'generalized velocity unit' was introduced on the assumption that the surface velocity in the direction perpendicular to the line is a steady velocity frame with the topographic relief. The 3-D tomostatics velocity inversion was improved to suit the crooked wide line geometry.

为此，在假设垂直测线方向上表层速度是随地形起伏的稳定速度结构的情况下，引入"广义速度单元"概念，对三维层析静校正速度反演过程加以改进，使其适合宽、弯线资料观测系统。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。