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Hydrological and sediment monitoring is important for river management.Accurate monitoring of suspended load and bed-loa......

The CuCo multilayer nanofilms separated by nonmagnetic layers are prepared by the pulsed electron deposition system.The ......

针对压电谐振器振动特性分析的应用需求, 构建了一种小型化、廉价的矢量分析系统。系统采用STM32控制4路DDS芯片产生驱动信号和矢......

　　The paper is mainly to explore the relationship between Helmholtz carousel rotating speed and bottle shape....

　　This presentation discusses a numerical method for determining resonance frequencies for waveguide problems in a two......

分析了压电材料中的损耗现象，并用复数表示有损压电振子的各种参数。文章从压电振子的阻抗（或导纳）方程出发，详细分析了纵效应振动及横......