Many ceramics are good electrical and thermal insulators.
许多陶瓷都是电和热的良绝缘体。
To reduce heat losses the pipes are covered by thermal insulators.
为了减少热散失，管子外包保温层。
This paper presents a new method that integrates infrared thermal image technique with support vector machine (SVM) classifiers to check the contamination grades of high voltage insulators.
提出了一种红外热像处理与支持向量机多值分类器相结合的新方法对高压绝缘子污秽等级进行检测。
The results of artificial pollution test of ceramic insulators show that the proposed selection method for infrared thermal image and the image segmentation algorithm are simple and effective.
瓷绝缘子人工污秽试验结果表明：文中提出的红外热像特征选择方法和图像分割算法简单有效。
Tests were carried out by measuring the thermal expansion and the X-ray diffraction intensities of high-tension insulators.
通过测定高强度绝缘子的热膨胀和X射线衍射强度进行试验。
Tests were carried out by measuring the thermal expansion and the X-ray diffraction intensities of high-tension insulators.
通过测定高强度绝缘子的热膨胀和X射线衍射强度进行试验。
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