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Ba0.6Sr0.4TiO3 ceramic was synthesized by the sol-gel method combined with the solid-state reaction. Phase composition a......
Dual-layer selective ensemble modeling approach based on mechanical vibration and acoustic signals a
Frequency spectral features of mechanical vibration and acoustic signals relate to difficult-to-measure product quality ......
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With a long history of thousand years,conventional Chinese acupuncture treatment has been used worldwide as an important......
Natural selection and demographic history may contribute to similar polymorphism pattern in some way.However,while the ......
Purpose: To study the Color Doppler Image (CDI) characteristics of choroidal detachment and the applied value of CDI.Met......
该文从纸机设备频谱分析入手，对真空辊工作原理及噪声产生机理进行分析，确定真空伏辊破真实噪声是抄纸机主噪声源。......
利用双跨-三支撑转子振动实验台研究联轴器偏角不对中工况下转子的振动特性,确定了实验方案,测得了轴系的频谱图、振幅、轴心轨迹,......
阐述了频谱分析方法,并采用快速富里叶变换(FFT)算法对Y38A滚齿机的传动误差进行了频谱分析,得出了传动误差的富里叶频谱,结果表明......
