As a common kind of failure, crack damages account for major losses in plastic pipeline systems, which are now increasin......

In this paper,the Power Build-Up cavity enhanced Raman spectroscopy is introduced and the matching mode between the cavi......

In this paper,a micro-droplets fuel supply system has been developed for direct methanol fuel cells (DMFCs) by piezoelec......

研究了锁模激光在材料中产生频率达GHz的光声波和相应探测技术,用回波分析法无损坏测量了薄材料的厚度。研究了激光在材料中感生的......

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利用压电陶瓷换能器等效成LC电路的方法，推导出发出最大能量时的谐振频率。通过改变电路的参数值可得到不同的频率值，结果表明电路等......

从理论上证明了用于直线型行波超声马达的波形成的可行性。并用制作的两个超声压电换能器、自由－自由梁和滑块组成了一台直线型行波......