Modern ultrasonic testing was developing towards intelligence , automation , visualization , digitization , miniaturization , standardization , multi functionality , information and many intersectional fields in order to apply ultrasonic scanning imaging testing to complex - shaped component and meet the demand of contemporary quality 指出现代超声无损检测技术正向着智能化、自动化、图像化、数字化、小型化、系列化、多功能化、信息化和交叉领域的前沿方向发展，实现了复杂形面复合构件的超声扫描成像无损检测，满足现代质量对无损检测的要求。
Technology of non - damage test for concrete intensity is extensively applied in project testing , as a precise and direct approach . accordingly , the test in this essay makes use of average concrete samples made up of commo - n raw material in boutou , and adopt comprehensive method of ultrasonic elasticity to test the concrete used within one year in boutou . through the regression analysis , we get the regression equation of anti - intensity of these two materials under the given conditions . according to the result , we establish the accurate curve line for comprehensive method of ultrasonic elasticity and provide practiced and non - damage testing approach and calculating method for concrete intensity test and reference for testing staff concerned 混凝土强度无损检测技术作为一种简便快捷准确的测强技术在工程检测中得到了广泛的应用，鉴于此，本次试验通过采用包头地区常见原材料制成的一定批量常见龄期的不同种类(指混凝土试块中的粗骨料、混凝土强度等级不同)普通混凝土标准试块，采用回弹?超声综合法对包头地区龄期不超过一年的现场混凝土进行了大量的试验，并利用回归分析，给出两种骨料混凝土在相应测强条件下的立方体抗压强度回归方程，根据实验结果建立包头地区精度较高的混凝土回弹?超声综合法基准测强曲线，为实际工程的混凝土现有强度评定提供简单易行的无损测试方法和计算方法，供有关检测人员参考使用。
The images reconstructed by ct are of good quality and high resolution . furthermore , ct images can be processed and analyzed digitally . so ct is widely applied in aviation , astronautics , mechanics , shipping , public security , customs , medicine , and many other areas 计算机层析成像技术(简称ct )是近几十年来发展起来的一种新的无损检测技术，具有检测精度高、重建图像无影像重迭、空间分辨率和密度分辨率高、可直接进行数字化处理等优点，现已被广泛应用于航空、航天、机械、船舶、公安、海关、医疗等诸多领域。
Physical property test equipment , quality control technology and equipments in the course of production , equipment for performance test , optical and electric apparatuses , equipment for mechanical property test , non - attrition technology and equipment , material experiment technology and equipment , force test , liquid and rev test equipment , chemical and spectral analysis apparatuses , various other instruments as well as metering and measurement apparatuses , electrician and electric apparatus , etc 物理特性测试设备、生产进程中质量监控技术及设备、性能测试设备、光学和电器仪器、机械特性测试设备、无损检测技术与设备、材料实验技术及设备、力检测、流体与转速检测设备、化学分析和光谱分析仪器、其它各类仪器仪表及计量、测量仪器、电工电气仪器仪表等。
With the developing of testing technology and apparatuses , nondestructive testing which is handy , direct and nondestructive is widely applied in civil engineering . many modern science and technology have been used in concrete nondestructive testing , which promote the nondestructive testing towards systematization and standardization . research workers in all countries are devoting themselves to improving strength testing precision , developing non - strength testing and turn their attention from static quality assessing to quality assessing in building process 近年来发展起来的无损检测由于其具有无损、直接、简便迅速而日益得到世人重视，目前，世界上混凝土无损检测技术发展很快，各种测试技术、仪器研制水平不断提高，许多现代科学技术已进入混凝土无损检测领域，无损检测正向着系统化、标准化方向发展，提高强度检测精度，发展非强度检测，将其应用由被动(质量评定、耐久性诊断)转向主动(施工中的质量检测)正成为各国研究者追求的目标。
In this paper , rebar corrosion state was judged with three electrochemical nondestructive measuring technologies , i . e . half - cell potential , a . c . impedance and time potential . when the rebar was transformed from passivation to depassivation , it can obtain the chloride ions corrosion critical content through taking and analyzing chloride ions content around the rebar 本文利用半电池电位法、交流阻抗法和时间电位法三种电化学无损检测技术判断评估试件在试验过程中钢筋腐蚀状况，当钢筋由钝化状态转为活化状态时，取样分析钢筋周围氯离子含量，得到了不同技术条件混凝土的氯离子临界浓度。
According to the m1l - std - 883c standard of thermal cycle loading , the delamination propagation rates at the interface between chip and underfill were studied experimentally by using c - mode scanning acoustic microscope ( c - sam ) for two types of flip chip packages with different states of solder joint 采用mil - std - 883c标准，通过温度循环实验，使用高频超声显微镜( c - sam )无损检测技术，测量了在不同焊点状态下， b型和d型两种实际倒装焊封装芯片与底充胶界面分层裂缝传播速率。
The image of computed tomography ( ct ) is of good quality and high resolution . it can be processed and analyzed digitally therefore , ct has become a new nondestructive detection technique , which is applied widely in aviation , shipping , automobile , public security and other areas . the filter back - projection ( fbp ) technique and the algebraic reconstruction <中文摘要> =计算机层析成像（简称ct ）技术检测精度高、重建的图像具有无影像重叠、空间分辨率和密度分辨率高、可以直接数字化处理与分析等特点，成为近十几年发展起来的一种新的无损检测技术，广泛应用于航空、航天、机械、船舶、公安、海关等诸多领域。
