最后给出了在全频率范围适用的声阻率近似公式。
Finally, an approximating formula which is applicable for the whole frequency range is given.
本文提出一种为计算法向声阻抗率而设计的专用列线图。
A special nomograph designed for calculating the normal specific acoustic impedance is proposed.
本文对微穿孔板的非线性声阻抗率作理论与实验两方面的研究。
In this paper, the nonlinear acoustic impedance of the micro-perforated panel is investigated both theoretically and experimentally.
目前电阻率和氯离子浓度异常、氯离子剖面以及声阻抗测井数据均可预测水合物饱和度。
At present, electric resistance, chloride ion concentration anomaly, chloride ion profile and acoustic impedance logging data can be used to predict the gas hydrate saturation.
本文根据严格的声学理论,分析了圆柱面上小孔端面由于辐射所产生的声阻抗率。
In this paper, the acoustic impedance caused by the sound radiation at the terminals of the aperture, which is laid on the cylindrical surface, is analysed on the base of rigorous sound theory.
目前电阻率和氯离子浓度异常、氯离子剖面以及声阻抗测井数据均可预测水合物饱和度。
At present, electric resistance, chloride ion concentration anomaly, chloride ion profile and acoustic impedance logging data can b...
目前电阻率和氯离子浓度异常、氯离子剖面以及声阻抗测井数据均可预测水合物饱和度。
At present, electric resistance, chloride ion concentration anomaly, chloride ion profile and acoustic impedance logging data can b...
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