无铅压电陶瓷(Sr2-xCax)2Bi4Ti5O18制备及其压电性能研究
무연압전도자(Sr2-xCax)2Bi4Ti5O18제비급기압전성능연구
Preparation and Piezoelectric Property of Lead free Sr2-xCaxBi4Ti5O18 Piezoelectric Ceramics
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