The software RFPA is used to simulate the borehole burst, validate critical pressure, and research the stress drop and acoustic emission before and after occurring the burst in the borehole.
用RFPA软件对钻孔冲击进行了数值模拟，验证了钻孔冲击实验得出的临界压力，并研究了钻孔冲击前、后的应力降及声发射等特征。
A five-storey laboratory wing boasts acoustic Chambers for bat research, an insectarium, LABS for studying ant and bee behaviour, spectroscopy and microscope rooms.
五层楼的实验室侧翼有用于蝙蝠研究的声学室、一个昆虫饲养室、用于研究蚂蚁和蜜蜂行为的实验室、光谱学室和显微镜室。
The focus is on the main research points of ROV Dynamic Positioning field: Acoustic Positioning Technology and Positioning control Technology.
同时还重点研究了ROV动力定位中的主要研究内容即水声定位技术和定位控制技术的构建。
The imaging logging series such as dipole acoustic log and micro - resistivity scanning imaging log, etc. provides abundant basic data for the research of stress.
成像测井系列中的偶极子声波测井和微电阻率扫描成像测井为地应力研究提供了丰富的基础数据。
Acoustic generator, as the research objective of musical Archeology, includes "Primitive Musical Instruments" and Musical Instruments.
音乐考古学研究对象中的发声器，包括“前乐器”和乐器。
Phononic crystals was a novel type of acoustic functional materials, which was being widely studied by many research institution all over the world.
声子晶体是一种新型的声学功能材料，对声子晶体的研究引起了国内外研究机构的高度关注。
Study the international research in the field, it has used surface acoustic wave device or switched-capacitor circuits to realize wavelet transform and its reconstruction devices.
从目前国内外对该领域的研究状况来看，已经有应用声表面波器件及开关电容电路进行小波变换及重构器件的实现。
The study in the paper is based on acoustic wave equation, but its research methods are also suitable to elastic and viscoelastic wave equation.
本文提出的反演理论，主要是基于声波波动方程展开讨论和研究的，其研究方法对于弹性波方程和粘弹性波方程同样适应。
Results showed that the research under the concept of the acoustic mode is significant in the efforts of reducing the noise level of ships.
结果表明，研究结构在声辐射模态概念下的噪声特性是船舶降噪研究中的一条新途径。
So the passive target detection and identification is the important research part in the modern acoustic technique field.
所以被动目标检测和识别是现代水声技术重点研究领域之一。
The research on the detection and location of partial discharges in power transformers using acoustic methods is presented.
介绍了国外应用超声波测量法判断变压器内部局部放电和确定局部放电源位置的研究工作。
The research and development of a transmission scanning acoustic microscope operating at 300-700MHz is described.
在本文中作者描述了工作在300～700兆赫的透射式扫描声学显微镜的研究试制工作。
It's a vital research aspect that acoustic stealth is used in the stealthy warships.
声隐身是隐身舰船的一个重要研究方向。
The experimental research on the pipe flow under the influence of high intensity acoustic field is presented in this article.
用实验手段研究强声场对管道内气体流动的影响。
The relating to methods based on the research on international and domestic electromagnetic wave(elastic wave, acoustic wave) for the identification of flaws are all-round viewed.
本文对国际和国内基于电磁波（声波，弹性波）逆散射理论研究缺陷识别的有关方法给予了全面的评述。
The underwater acoustic properties of polyurethanes were introduced. The recent research progress of underwater acoustic materials of polyurethanes was reviewed.
介绍了聚氨酯材料的水声特性，并重点评述了聚氨酯水声吸声材料、水声透声材料和水声反声材料的研究进展。
The results of this research show that the impact of the soft surface and the hard plane on the structural natural frequencies, vibration responses and the acoustic radiation cannot be ignored.
研究结果表明：自由液面和刚性壁面对结构的固有频率、振动响应及声辐射的影响是不容忽视的。
In this paper, research of acoustic characteristics and developments of underwater sound-absorbing material are surveyed in view of material acoustics.
结合近年来水下目标吸声材料和结构的应用及研究，从材料声学设计的角度，讨论了水下吸声材料的声学特性和研究进展。
The research on the victim location system based on acoustic and seismic wave detection plays an important part in post-earthquake search and rescue.
基于声波与振动探测原理的地震生命探测系统的研制在我国灾害生命搜索救助领域中占有重要位置。
The passive target detection and identification is the important research part in the modern acoustic technology field.
被动目标检测和识别是现代水声技术重点研究领域之一。
Based on the acoustic signal generated by moving vehicles, this article spread a research on vehicle recognition.
本文基于运动车辆产生的声频信号来进行车型识别的研究。
Secondly, the paper does much research on water leakage acoustic signal hardware and software process methods.
其次，文中论述了对漏水声音信号的硬件及软件处理方法。
The research result can be applied to the environment simulation of the underwater detecting system and underwater acoustic warfare system, as well as evaluation of the underwater sound equipment.
该研究可用于水下探测系统和水声对抗系统的环境模拟，及水声设备的性能评估。
In rock mechanics experiment, the source location methods of acoustic emission (AE) is an important aspect of experimental AE research.
在岩石力学实验中，声发射源定位的研究方法，是实验室声发射研究的重要方面。
The large cross-section acoustic horn can transmit more power and higher intensity sound, therefore research on this kind of acoustic horn becomes more and more emergent.
大截面变幅杆能够传输更大功率更高声强的振动能量，因此对这类变幅杆的研究成为迫切需要。
The research shows that the three-dimensional acoustic boundary clement model is an efficient and highly accurate method of sound field analysis of reactive mufflers.
研究结果表明，三维声学边界元模型是抗性结构消声器声场分析的有效方法并具有较高精度。
As the radial vibration of stator is the origin of the acoustic noise of SRMs, model analysis of stator vibration is the effective way to the research for low acoustic noise.
由于定子的径向振动是开关磁阻电机噪声的主要根源，因此定子振动系统的模态分析是降噪研究的有效手段。
This is an experimental research into acute acoustic trauma free entirely from any explosive factor.
这是一次完全剔除爆震因素的急性声创伤实验研究。
Guangzhou Kaifeng automotive supplies company is a research and development, design, production in one professional control sound and vibration, acoustic material manufacturers.
广州市凯丰汽车用品公司是一家集研发、设计、生产于一体的专业控制声音和振动方面的声学材料制造商。
Guangzhou Kaifeng automotive supplies company is a research and development, design, production in one professional control sound and vibration, acoustic material manufacturers.
广州市凯丰汽车用品公司是一家集研发、设计、生产于一体的专业控制声音和振动方面的声学材料制造商。
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