共 50 条
- [36] LEAD-FREE PAINT JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1952, 150 (14): : 1446 - 1446
- [38] Lead-free versus PZT: Acoustic characterization of ultrasonic immersion transducers fabricated with lead-free NBT-BT piezoceramic JOURNAL OF ENGINEERING-JOE, 2023, 2023 (06):