摘要
本文简要介绍自制QH—87型聚合物声速测定仪的工作原理,发射电路、接收电路、控制电路及时基信号电路的设计。
Operating principle, emissive circuit, receiving circuit, controlling circuit and time-base circuit of QH-87 Sound-Speed Measurer made in our own laboratary were introduced breifly in this paper.
出处
《青岛科技大学学报（自然科学版）》
CAS
1987年第4期33-41,共9页
Journal of Qingdao University of Science and Technology:Natural Science Edition
关键词
聚合物
声速
polymers
sound-speed
