non-destructive test

The basic acoustic parameters of material include the velocity, attenuation coefficient and acoustic nonlinear parameter B/ A, etc. They all play important roles in the non-destructive test, ultrasonic tissue-mimicking materials properties testing and medical imaging.

材料的基本声学参数包括声速、声衰减系数、非线性声参量B/A等，它们在无损检测中的缺陷定位，仿组织材料的超声特性检测，以及医学成像中都有重要意义。

The construction of moisture separator reheater for the use of nuclear is very complexity. British national standard ( BS) is adopted for the non-destructive test which is very different from the inspection procedure and acceptance criteria of JB 4730-94 and RT methods are introduced.

核电用汽水分离再热器结构复杂，无损检测采用英国国家标准（BS），检验规程及验收标准与JB473094有诸多不同之处，着重介绍了射线检验。

Research of Automated Ultrasonic Non-Destructive Test of Large Complex Geometry Composite Structures in Aeronautic Industry

大型航空复杂形状复合构件自动化超声无损检测研究

The method using transient Rayleigh surface wave has advantages of the non-destructive test and good representation to meet the needs of the highly-developed highway engineering.

应用瞬态瑞雷面波法对公路工程的质量检测，具有非破损性、高代表性的优点，能很好的适应公路工程快速发展的需求。

As the unique early diagnostic nondestructive testing method for ferromagnetic components, the development of magnetism based non-destructive test ( NDT) technologies calls for investigation of quantitative relation between deformation, stress, damage or fracture of structures and their induced magnetic quantities.

磁无损检测技术作为能够对铁磁部件的损伤进行早期诊断的无损检测方法，目前仍缺乏从机理层面定量研究结构变形与磁场变化之间的关系。

Deductive method of concrete strength in non-destructive test

非破损检测中混凝土强度的推定方法

Development of Ultrasonic Non-destructive Test Systems for Complex Curved Surface Parts

复杂曲面工件的超声无损检测系统研制

Because of its broadband-capability, opened-structure and wide-compatibility, the open-ended coaxial probe ( OECP) is essentially applicable for in-vivo testing of materials' electromagnetic ( EM) parameters and has tremendous potentials of applications in material science, and in non-destructive test as well.

开口同轴探头由于具有频带宽、结构开放和适应面广等特点，特别适合于在线、在体测量介质材料的电磁参数，并在材料科学研究、非破坏性检测等方面具有极大的应用潜力。