超声无损检测 ultrasonic nondestructive testing(55)   ultrasonic nondestructive testing     Ultrasonic Nondestructive Testing Method for Arc Surface Electric Contact     弧形触头的超声无损检测方法 短句来源   “超声无损检测”译为未确定词的双语例句     Research on Ultrasonic NDE Technology of High Voltage Switch Sintered Contact     开关触头烧结接合界面超声无损检测 短句来源     As a kind of NDT (Non Destructive Testing), UT (Ultrasonic Testing) is widely used in modern industry, which plays a very important role in improving the quality and the reliability of products.     超声无损检测是在现代工业生产中应用的非常广泛的一种无损检测方法,它对于提高产品的质量和可靠性有着重要的意义。 短句来源     The experimental resu lt shows that the non-uniformity of ultrasonic C-scan image is corrected and the accuracy of nondestructive testing of sintered contact used in high voltage swi tch is improved by the morphological filtering method.     试验结果表明,该法有效地校正了高压开关烧结触头的超声C扫描图像的不均匀现象,提高了超声无损检测的准确性。 短句来源   相似匹配句对     Ultrasonic Nondestructive Testing Method for Arc Surface Electric Contact     弧形触头的超声无损检测方法 短句来源     Research on Ultrasonic NDE Technology of High Voltage Switch Sintered Contact     开关触头烧结接合界面超声无损检测 短句来源     A Survey of Studies on Ultrasonic Motor     超声电机学概况 短句来源     A Composite Type Ultrasonic Motor     复合型超声马达 短句来源     Microwave Nondestructive Testing Techniqne     微波无损检测技术 短句来源 查询“超声无损检测”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。   ultrasonic nondestructive testing Development of Methods of Ultrasonic Nondestructive Testing of Welded Joints 例句来源       The methods of ultrasonic nondestructive testing of welded joints used in Russia are reviewed. 例句来源       A veteran tells about some episodes of coming into being ultrasonic nondestructive testing in Russia. 例句来源       Issues related to the solution of the direct and inverse problems of ultrasonic nondestructive testing are discussed. 例句来源       Issues related to the solution of the direct and inverse problems of ultrasonic nondestructive testing are discussed. 例句来源       更多                    This paper introduces the principle and construction of ultrasonic NDT imaging processing system. In the light of the construction feature of electric contact,strategies of ultrasonic NDT are put forward. The testing examples are given and the test samples are dissected and analysed.The results indicate that the system has high precision,efficency,reliability and cost performance and the strategy is feasible.This research is suitable for testing electric contact braze defect.             介绍了超声无损检测图象处理系统的构成和原理。针对低压开关触头的结构特点，提出超声无损检测策略。给出了利用超声图象处理系统检测低压开关触头钎焊缺陷的实例，并对所检测的试样进行解剖与对比分析。试验结果表明，该系统检测效率高、精度高、可靠性高、性能价格比高，检测策略切实可行，尤其适应于电触头钎焊缺陷的检测 文摘来源          The propagation property of ultrasound on the bonded interface of si nt ered contact used in high voltage switch is investigated.It is found that scatte ring occurring on the interface is the main reason that causes the non-uniformit y of ultrasonic C-scan image of sintered contact.Based on the analysis,the morph ological filtering method for ultrasonic image is proposed.The experimental resu lt shows that the non-uniformity of ultrasonic C-scan image is corrected and the accuracy of nondestructive testing ...             通过研究高压开关烧结触头结合面上超声波的传播特点发现,界面处的散射现象是造成超声C扫描图像不均匀的主要原因。在此基础上提出了超声C扫描图像形态滤波校正方法。试验结果表明,该法有效地校正了高压开关烧结触头的超声C扫描图像的不均匀现象,提高了超声无损检测的准确性。 文摘来源          The defect(e.g.porosities and crack) were evaluated by using ultrasonic non-destructive testing in powder metallurgical products.Attempt to find out the corresponding relationship between ultrasonic velocity and defect.The results show that ultrasonic velocity becomes low,ultrasonic intensity becomes low and the density and hardness become low with decrease of porosities ratio.It is fast and whole testing that using the technology of ultrasonic nondestructive testing to estimate some performance of powder m...             针对粉末冶金(PM)零件在制备过程中不可避免存在的缺陷(气孔或裂纹),采用超声无损检测(NDT)技术对其进行了初步研究。试图寻找NDT与PM制品缺陷之间的相互关系。结果表明,超声波检测的速度、强度和材料密度、孔隙率之间存在一定的对应关系,孔隙率越高(密度越低),超声波的强度越小,波速也越小。因此,可以用超声无损检测技术来评价PM材料的某些性能,从而达到对该类零件实现非破坏性的快速、全面检测的目的。 文摘来源   << 更多相关文摘         相关查询: 超声无损检测信号 超声无损检测过程 无损检测 超声 超声变幅 超声穿刺 超声研 超声离子 超声碎裂 超声幅 超声振幅 超声溶血  对查询结果不满意

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