acoustic impedance的例句大全

Opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component.

声音在通过一个表面时受到的阻力；声阻是声阻抗的实部，声抗是声阻抗的虚部。

It may match the impedance of acoustic loads in order to increase transducing efficiency.

为提高换能效率,可以采用匹配声阻抗法.

All children underwent routine otoscopic examinations of ear, nose and throat, and were also examined using the Madsen acoustic impedance audiometer.

均进行耳科常规及声阻抗检查，发现腭裂患儿中耳静态压力与声顺值，声镫骨肌反射引出率都低于正常儿童。

Methods To check on objective acoustic impedance and subjective pure tone audiometry.

方法对外伤性聋进行客观声导抗测试和主观纯音测试。

We followed up 25 subjects in 1-2 weeks, the results of pure-tone audiometric testing and acoustic impedance audiometry of 24 subjects were normal, and had no significant differences to those examined before administration.

给药后1-2周，共随访到25例正常受试者，其中24例复查纯音测听和声阻抗测试都在正常范围，与受试前纯音测听结果相较未见明显差异。

Negative coefficients occur where there is a decrease in acoustic impedance across the reflecting interface.

当反射界面上下两侧的声波组抗降低时,反射系数就会出现负值.

The product of the velocity and density of a rock is termed in the acoustic impedance.

岩石的波速和密度之乘积称为声波阴抗.

It was experimentally proved for the first time that the maximum acoustic power output can be transferred to the load when the acoustic resistance of RC load equals to its acoustic capacitance impedance.

首次通过实验验证了当声阻与容抗相等时，热声发动机向阻容负载传递的声功率最大。

The computed and experimental results showed that maximal acoustic power can be transferred to the load when the acoustic resistance of the RC load is equal to its acoustic capacitive impedance.

计算和实验结果表明，当负载的声阻与容抗相等时，热声发动机向阻容负载传递的声功率最大，此时，负载入口处的压力振幅和压比最小，板叠热端温度最高；

A standing wave thermoacoustic engine connected with an RC ( acoustic resistance and acoustic capacitance) load was simulated with linear thermoacoustics to study the influence of load impedance on the performance of the thermoacoustic engine.

为了探索负载的阻抗特性对热声发动机性能的影响，利用线性热声理论，对驻波型热声发动机驱动阻容负载进行了数值模拟。

The piezoelectric bulk acoustic wave ( BAW) impedance analysis method was employed to monitor in situ acetylcholinesterase-catalyzed hydrolyzation of acetylcholine and the effect of methamidophos insecticide on the enzyme activity.

采用压电体声波阻抗分析法实时动态监测了乙酰胆碱酯酶对乙酰胆碱的酶促水解过程及农药甲胺磷对酶活性的影响。