超声耦合剂;透声媒质;卫生要求;生物学评价。
Ultrasonic coupling agent; Acoustic transmission medium; Health requirements; Biological evaluation.
试图解决一些声耦合困难,大批量生产过程中的在线检测问题。
We try to solve some problems about series measurement in producing, meeting with the ultarsonic coupling difficulty.
本文阐述一种借助热声耦合装置来检测固体材料热学性质的方法。
This paper introduces the thermo-acoustic coupling method to measure the thermal properties of solids.
我们研究分析了由于电声耦合,电负载对压电振动系统特性的影响。
The effect of electric load on the piezoelectric vibrational system due to electroacoustic coupling was analytically investigated.
目前的研究表明:多频超声耦合时,可以获得较高的能量效率和空化产量。
The present work clearly illustrates that the multiple frequency and multiple transducer reactors can be used with higher energy efficiency and cavitational yield.
在高温状态下,超声波探伤实施的关键在于声耦合、声衰减和声路径的控制。
The linchpin of undertaking high temperature ultrasonic testing is the control of the coupling, attenuation and route of the sound.
电声耦合常量对电子与晶格的耦合时间和电子晶格的平衡温度也有重要影响。
The electron-lattice coupling coefficient also has an important influence on the coupling time of electron and lattice and the equilibrium temperature of electron and lattice.
研究混合信号集成电路中衬底噪声耦合反衬底噪声对模拟/数字电路的影响。
The substrate noise fundamental and its effect on the mixed-signal IC is introduced briefly.
结论杀菌型医用超声耦合剂对超声探头和受检皮肤具有明显的消毒杀菌作用。
CONCLUSION Sterilization medical ultrasound couplants can sterilize obviously on the ultrasound probe and the skin.
通过调制解调器或声耦合器连接电话线路而获取计算机内资料的一种非法手段。
An illegal means of accessing computer data via a telephone link using a modem or acoustic coupler.
本文对水下三维弹性结构振动的声辐射问题进行了流体-结构声耦合振动的数值计算。
Numerical calculation of fluid-structure acoustic coupling vibration were carried out for a 3-d elastic structure with FEM applied to structure analysis and BEM to fluid respectively.
衬底噪声耦合是深亚微米混合信号集成电路中常见的噪声干扰效应,严重地影响了模拟电路的性能。
Substrate noise coupling effect often occurs in the DSM mixed signal ICs, which seriously interferes the normal performance of the analog circuits.
结果表明:电子热导率对金靶材表面电子最高温度,电声耦合时间及电声耦合温度都有不同程度影响。
The results showed that electronic thermal conductivity had different effects on electronic maximum temperature, electron-phonon coupling time and electron-phonon coupling temperature.
此外,对系统中的电荷密度和自旋密度分布受非最近邻电子跳跃相互作用和电-声耦合的影响情况亦进行了讨论。
Moreover, the influences of the non-nearest neighbor hopping interactions and electron-phonon coupling on the distribution of the charge density and spin density are also discussed.
本文基于传递矩阵法(TMM)和虚拟边界元法(VBEM),提出了一种求解在谐激励作用下二维结构-声耦合问题的直接法。
Based on transfer matrix method (TMM) and virtual boundary element method (VBEM), proposed a direct solution to 2-d sound-structure interaction problem under harmonic excitation is proposed.
本文基于传递矩阵法(TMM)和虚拟边界元法(VBEM),提出了一种求解在谐激励作用下二维结构-声耦合问题的直接法。
Based on transfer matrix method (TMM) and virtual boundary element method (VBEM), proposed a direct solution to 2-d sound-structure interaction problem under harmonic excitation is proposed.
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