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用一台材料稳定性原位检测设备检测硅橡胶的真空性能。该设备配有６０千电子伏电子枪，可作有、无电子辐照条件下材料稳定性的原位比较。用一架轴型真空微量天平连续测试材料的重量损失。损失的成分用回旋质谱计进行分析。 对在真空中有、无电子辐照，原、异位电子辐照的测试结果进行了比较和分析。
Inspect the silicone rubber vacuum performance with a material stability in-situ inspection device. The device is equipped with a 60-keV electron gun for in-situ comparison of material stability under electron beam-free conditions. A shaft-type vacuum microbalance is used to continuously test the weight loss of the material. The lost components were analyzed using a cyclotron mass spectrometer. The test results of electron irradiation with or without electron irradiation in the vacuum and in the vacuum were compared and analyzed.