定量无损检测      quantitative ndt(1) quantitative nondestructive test(0) quantitative nondestructive evaluation(0) quantitative nondestructive testing(5)   quantitative ndt      Study on the Quantitative NDT Method for Scattering Particles in the Polycrystalline-Magnesium-Fluoride Dome for Missile      多晶氟化镁（MgF_2）导弹整流罩内散射颗粒定量无损检测方法研究 短句来源   quantitative nondestructive testing      QUANTITATIVE NONDESTRUCTIVE TESTING BY PULSED LASER HOLOGRAPHY      脉冲激光全息定量无损检测方法研究 短句来源      Quantitative Nondestructive Testing of Metal Hardness Using Wavelet Network      基于小波神经网络的铝合金硬度定量无损检测研究 短句来源      The State-of-Art of Quantitative Nondestructive Testing of Wire Ropes      钢丝绳定量无损检测现状 短句来源      Quantitative nondestructive testing by pulsed laser holography can be used to determine the depths, areas and gaps of the defects (such as disbond etc. )      研究的脉冲激光冲击加载的脉冲激光全息定量无损检测新技术可分析计算出脱粘缺陷的深度、大小和脱粘空穴的间隙开度. 短句来源      Aimed at the unlinear relation between the degree of hardness of alluninium and initial magnetic permeability, this paper puts forward a kind of quantitative nondestructive testing method of the metal hardness using wavelet network, with the WGF -I electromagnetism instrument to test, withdrawing the characteristic signal, applying wavelet network theories, establish the degree of hardness characteristic signal and degree of hardness unlinear mapping, and the hardness of aluniniun alloy can be directly displayed.      针对铝合金硬度与初始磁导率的非线性问题,应用小波神经网络理论,提出了一种基于小波神经网络的硬度定量无损检测方法. 用WGF-Ⅰ电磁检测仪进行一次检测,提取特征信号,建立硬度特征信号与LY12铝合金硬度的非线性映射,可直接输出工件的硬度值. 短句来源   “定量无损检测”译为未确定词的双语例句      Holographic quantitative nondestructive check for steel rope (cable)      钢丝绳(缆)全息定量无损检测 短句来源      Quantitive Nondestructive Testing of the Metal Hardness Using Wavelet Networks      基于小波网络的LY12铝合金硬度定量无损检测的研究 短句来源      Based on the model of multi-layered biological tissue, a method to measure regional tissue oxygenation saturation by using noninvasive near infrared spectroscopy was given.      在多层生物组织模型条件下,提出了一种利用近红外光谱技术定量无损检测组织氧饱和度的方法。 短句来源      For approaching the quantitative non-destructive evaluation K.      在定量无损检测的研究中,K. 短句来源      The investigation on scattering of elastic waves by cracks is of essential importance in the elastodynamic theory itself and enjoys various applications in many practical problems such as QNDE.      近30年来,随着地震探矿技术、定量无损检测技术、雷达和声呐技术的发展,以及对动态断裂及高速冲击下材料动态特性等问题的研究,弹性波散射理论的研究引起了国内外力学界及其他学科许多科学工作者的普遍关注。 短句来源 更多        查询“定量无损检测”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   quantitative nondestructive evaluation Results of numerical simulation show that the method based on the variation principle has great theoretical and applicable value to quantitative nondestructive evaluation. 例句来源       Quantitative nondestructive evaluation with ultrasonic method using neural networks and computational mechanics 例句来源       This paper describes an inverse analysis method using hierarchical neural networks and computational mechanics, and its application to the quantitative nondestructive evaluation with the ultrasonic method. 例句来源       A major objective of quantitative nondestructive evaluation is to formulate defect detection, classification, and sizing algorithms that are insensitive to variations in transducer characteristics, material type, and defect depth. 例句来源       Twenty-Seventh Annual Review of Progress in Quantitative Nondestructive Evaluation:2000 QNDE Conference, Iowa State University, 例句来源       更多             quantitative nondestructive testing A quantitative nondestructive testing method is proposed for imaging thermally treated steel. 例句来源                For approaching the quantitative non-destructive evaluation K. Salama has found a linear relationship between the derivative of ultrasonic velocity with respect to temperature and the residual stress in metals. According to this relationship the average stress in specimens can be evaluated by stable measurement. In this paper the authors have made further investigation on the combined effects of time varying temperature gradient and the shift of ultrasonic velocity on the stress within metal specimens. Base...             在定量无损检测的研究中,K.Salama证明了超声速对温度的导数与金属内部应力之间存在一种线性关系。基于这种关系,通过稳态测量可以确定金属内部的应力值。本文进一步研究了随时间变化的温度梯度及超声速的变化对金属内部应力场的混合效应,并在此基础上提出金属内残余应力分布的动态检测方法。 文摘来源          In this paper, the reflection and transmission of elastic waves by a layer with randomly distributed Penny-shaped cracks is investigated. For low frequencies and for small crack densities, the influence of the damaged state of the, layer on reflected and transmitted waves is investigated, This is to provide a simple theoretical model for quantitative nondestructive evaluation.             本文研究了具有随机分布币形裂纹的损伤层对弹性波的反射与透射。分析了低频及裂纹密度不太高时损伤层的损伤状态对反射波与透射波的影响,为定量无损检测技术提供了一个简单的理论模型。 文摘来源          The investigation on scattering of elastic waves by cracks is of essential importance in the elastodynamic theory itself and enjoys various applications in many practical problems such as QNDE. So this subject has been extensively studied in recent years and great progress has been made. In this paper, a comprehensive review on this subject is given.             近30年来,随着地震探矿技术、定量无损检测技术、雷达和声呐技术的发展,以及对动态断裂及高速冲击下材料动态特性等问题的研究,弹性波散射理论的研究引起了国内外力学界及其他学科许多科学工作者的普遍关注。至今,人们在这一领域已进行了大量的研究工作,并得到了很大的发展,而所取得的成果又为应用技术的发展提供了理论依据,所以它已成为当前应用力学界一个较为活跃的前沿课题。本文将对近年来关于裂纹体弹性波散射问题的有关研究现状和基本方法作较为系统的介绍。 文摘来源   << 更多相关文摘         相关查询: 无损检测 定量 定量问卷 碳酸钙定量 定量rbi 定量充填 定量原理 定量推导 定量说明 定量数值 定量试剂盒 定量认识  对查询结果不满意

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