研究了粉体预热温度、频率、环境温度等工艺参数及条件对PZT陶瓷电性能的影响。
The effects on electric properties of PZT ceramic were investigated, including preheating temperature, frequency, environment temperature and polarization.
试验结果表明，模压前合理的预热可以显著地提高酚醛塑料的电性能及力学性能；
The effect of preheating, test-piece thickness and coupling agents on the electric properties and the mechanical properties of the materials have been specially studied.
本实用新型的技术方案：该设备由三个部分组成，恒温油预热锅、真空电炸锅、真空抽气机。
The technological scheme of the utility model: the device consists of three parts: a preheating pan of constant temperature oil, a vacuum electric frying pan and a vacuum air extractor.
本实用新型的技术方案：该设备由三个部分组成，恒温油预热锅、真空电炸锅、真空抽气机。
The technological scheme of the utility model: the device consists of three parts: a preheating pan of constant temperature oil, a vacuum electric frying pan and a vacuum air extractor.
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