thermal defect

Quantitative evaluation of defect according to infrared nondestructive testing principle and quality testing of solder layer of F-4 power transistor package are described. Computer processing results of infrared thermal images are also given.

根据红外无损检测原理，提出了缺陷的定量检测方法，并探讨了F-4型半导体功率管管壳焊料烧结质量的检测方法，最后给出了热图象的计算机处理结果。

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A Study on Unequilibrium Thermal Defect in Doped a-Si: H Films

掺杂a-Si∶H薄膜的非平衡热缺陷研究

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The chaotic motion of beam with initial defect under thermal state

有初始缺陷梁在热状态下的混沌运动

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Emphasis is put on the discussion about the sensitivity of thermal neutron radiography in defect detecting test and those factors which affect the sensitivity and the quality of the images.

着重讨论了热中子照相探伤的灵敏度和影响灵敏度及热中子照相质量的有关因素。

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Research of morphology processing in infrared thermal imaging defect detection

红外热成像缺陷检测的形态学处理方法研究

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This is a great defect of the existing thermal model experiment . Its improvement was described.

文内指出了现有热模型试验的最大缺点及改进办法.

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Considering the defect of present thermal measurement environment in sharing the data and information resource, a kind of LAN platform based on the C/ S structure is proposed in this paper.

为解决目前热工测控环境集成性差，资源共享不易的现状，提出了一种基于C/S结构的局域网络测量平台。

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Infrared Thermal Diagnosis of Inner Defect in Three& dimensional Equipment with Neumann Condition

Neumann条件下三维内壁缺陷的红外热诊断

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Enlightenment from Detecting the Defect of the Damped Cable Accessories of 110 kV with the Thermal Infrared Imager

用红外热像仪检测110kV电缆附件受潮缺陷的案例分析

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By theoretical research, the relationship between the thermal wave signal phase and the defect properties is gained.

通过理论分析了试件表面热波信号的相位与试件内部缺陷尺度特征之间的关系。

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The thermal refining defect of rod head was eliminated by the tracking preheat treatment of rod head to improve the reliability of the pumping rod application.

采用杆头跟踪预热处理技术，消除了杆头调质缺陷，提高了抽油杆应用的可靠性。

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The study was taken an oil sump as an example to analyze crack defect of permanent mold aluminum casting with thin thickness, deep cavity and large plane, and two causes, thermal stress and shrinkage stress during casting solidification.

以油底壳为例，分析了壁薄、深型腔、大平面铝合金金属型重力铸件，产生裂纹缺陷的原因，确定是合金凝固时期的热应力和收缩应力所致。

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Quantitative Analysis of Infrared Thermal Image Defect Based on Mathematical Morphology

基于数学形态学的红外热波图像缺陷的定量分析

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Their working temperature exceeds the rated temperature limit or their thermal defect is one of causes which made electronic equipments disabled, this badly restricts the increase in their reliability.

嵌入式系统的过热或热缺陷是嵌入式系统失效的主要原因之一，严重地限制了电子产品的可靠性的提高。

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Analyzed several lamp thermal defect in detail, especially resulted from thermal stress, the thermal transmission model is simplified based on fast model used, then it is discussed. ( 2) Researching the critical technique of computing the thermal field.

详细分析了车灯的几个常见热缺陷，特别是热应力引起的缺陷，并在现有的快速模型的基础上简化车灯传热模型，讨论了热源建模。（2）车灯温度场计算关键技术研究。

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