It is a misconception to assume that the two continents are similar 关于这两块大陆相似的假设是一种误解。
Test methods for noise generator Acoustic Emission Inspection Theory for Critical Crack Flaw in Petroleum Drill Tools GB/T12280-1990噪声发生器测试方法声发射方法检测钻具裂纹的理论研究
Application of Vertical Acoustic Reflection Method in Cutoff Wall Quality Inspection 垂直声波反射法在防渗墙质量检测中的应用
This paper designs an acoustic non-destructive inspection system based on embedded Sunplus SPCE61A single-chip microcomputer. 本文研究了一套基于SPCE61A的嵌入式墙体空鼓声无损检测系统。
The cost of these sensors will be pretty cheap compared with other available systems like fibre optic and acoustic emission sensors or conventional inspection methods. 与光纤、声发射传感器或传统的检测手段相比,这些传感器的成本非常低。
Experimental Study of Acoustic Emission on-line Inspection of Vehicle Compressed Natural Gas Cylinders 汽车用压缩天然气钢瓶的声发射在线检测试验
This paper briefly describes the basis of technologies such as X ray and γ ray detection, quadrapole resonance analysis, pulsed fast neutron analysis, ion mobility spectrometry, millimeter wave detection, acoustic inspection, magnetic field defection and electromagnetic pulse detectors. 文章简要介绍了X射线探测、γ射线探测、四极共振分析、脉冲式快中子分析、离子迁移率光谱测量、毫米波探测、声学探测、磁场探测、电磁脉冲探测等安全检测技术的物理基础。
A study on source location in acoustic emission inspection and its error analysis 声源定位问题研究及误差分析
Acoustic Emission Inspection for Wheel Band Fitting Test 轮箍装配试验时的声发射监测
The concrete acoustic nondestructive CT inspection technique is to use acoustic wave to penetrate concrete and obtain time of acoustic wave transmission and acoustic wave speed distribution by pictures made by computer, based on which concrete quality can be identified accurately. 混凝土声波CT无损检测技术,利用声波穿透被检测体并获取声波接收时间,利用计算机反演成像,呈现被检测体各微小单元的声波速度分布图像,进而判断检测体的质量;
An introduction to acoustic emission inspection method 声发射测试法简介
Test Analysis of Acoustic Parameter Responsing to Concrete Defects by Inspection of Concrete Defects by Crosshole Sonic Logging 声波透射法检测基桩混凝土质量各声学参数对缺陷敏感程度试验分析
In order to apply the acoustic velocity to the quality inspection of grouting, the study is performed on the correlation of uniaxial compression strength quality of grouting soil and its acoustic velocities. 为将声波速度应用于注浆质量检测中,就声波速度与注浆固结体单轴抗压强度之间的关系进行了研究。
Necessity of application study for acoustic emission technology in inspection of pressure vessel on Service 声发射技术在在用压力容器检验中应用研究的必要性
Application of acoustic emission leak detector in inspection of valve tightness 声发射检漏仪在阀门密封性检验中的应用
Design and realization of an Bi-Mode electromagnetic acoustic transducer inspection system with SH-plate waves and Lamb waves Lamb波与SH板波双模式电磁超声检测系统的设计与实验
Acoustic Tools and Applications for PCB Inspection PCB检查的声学工具及其应用
Equivalent beam's dynamic deflection explanation for abnormal indication in acoustic impedance inspection of the small pits on metal surface of honeycomb adhesive bonded structure 金属胶接蜂窝结构面板上小凹坑处声阻探伤指示异常的等效梁动变位解释
Problems with feature sizes diminishing, limited electri-cal nodal access and lack of visual access to joints are being addressed with a new set of test tools including boundary-scan, scanning acoustic microscopy and automated X-ray inspection. 由于特征尺寸不断缩小、电路测试点受到限制和缺乏观察点的问题,将通过新的测试工具,包括边界扫描、声致显微扫描和自动化X光射线检测来予以克服。
In this paper, the inspection method of detonator output were experimented and evaluated, which includes the plate cutting test ( lead plate test), acoustic level inspection, explosion in water and inspection of shock wave in little container, etc. 文章对雷管输出的检测方法进行试验和探讨,包括铅板试验、声级测量、水下爆炸和小爆炸容器中冲击波的测量等。
Acoustic Micro Imaging for PCB Inspection 利用声音微图像进行PCB检测
Acoustic inspection and integrity assessment for ultrahigh pressure polyethylene reaction tube 高压聚乙烯反应管声发射检测与评定
The acoustic nondestructive CT inspection is characterizedby its high precision and positioning accurately for abnormal points, and an up-to-date concrete quality inspection technique. 具有精度高,异常点位置定位准确的特点,是当今先进的混凝土检测技术。
A risk inspection was made of the reserve oil tanks in a reserve oil tank zone using the qualitative RBI technique, and a risk reassessment was conducted of the inspected oil tanks in combination with the acoustic on-line inspection result of the reserve oil tanks. 采用定性RBI技术对某汽油罐区储罐进行了风险检验,结合储罐声学在线检测结果,对被检油罐进行了风险再评价。
Technology of acoustic logging prediction and inspection is used in this paper to study formation pressure. Through study of formation pressure, the relationship between hydrocarbon reservoir and abnormal high pressure is mostly understood. 利用声波测井资料预测与检测技术,研究白水头油区地层压力,开展地层压力区域研究,进一步认识了油气层与异常高压的关系,充分认识压力异常及压力分布规律。
Practice of acoustic emission inspection in a single ram-bop 单闸板防喷器的声发射检测初步实践
The achievements can be helpful to the introduction of acoustic method into the on-line inspection and evaluation for the rotating equipments and mobile equipments, which is also significant to the research and development of the fault diagnosis technology for rolling bearings in practice. 研究结果为将声学技术引入旋转设备、可移动式设备的在线检测与评价提供了科学依据,对轴承故障诊断技术的研究发展具有一定的现实意义。
The research results provide the experiment gist to the application of wave guide rod in acoustic emission inspection. 研究结果为波导杆在声发射检测中的应用提供实验依据。
As a dynamic examination technology, acoustic emission inspection can not only effectively examine the developing acoustic emission sources in the materials caused by such as crack spread, fibres rupture and other damnification, but also can monitor two times acoustic emission sources caused by leakage or others. 声发射检测作为一种动态检测技术,不仅能够有效地检测出材料中诸如裂纹扩展、纤维断裂以及其它形式损伤所形成的声发射源,而且能够对泄漏等引起的二次声发射源进行动态监测。
Simulate experiment equipment for acoustic inspection of valves gas inner leakage is established, then acoustic inspection experiment of gas inner leakage of pin valves, gate valves and ball valves are made. 建立阀门气体内漏声学检测模拟实验装置,完成针阀、闸阀和球阀三种类型阀门气体内漏的声学检测实验。