1、海水的 声吸收 ( acoustic absorption )： 将声能变为不可逆的海水分子内能流体介质存在粘滞性与导热性，介质因压缩变形而引起声能耗散为机械能耗散。
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... acoustic absorption声吸收 acoustic absorptionsound absorption声吸收 acoustic absorptivity声吸收率 ...
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声吸收率 [声] acoustic absorptivity ; acoustic absorption coefficient ; sound absorptivity
声吸收系数 AAC ; AAB ; sound absorption coefficient ; acoustic absorption coefficient
噪声吸收系数 noise absorption factor
超声吸收 ultrasonic absorption
声吸收损耗 acoustical absorption loss ; AAL
宇宙噪声吸收仪 riometer
噪声吸收电路 [电子] noise absorbing circuit
海水声吸收 sound absorption in sea water
低噪声吸收机 low noise receiver
Meanwhile, the system to measure sound absorption in turbid water has been built up in the laboratory. There are some apparatus, such as air degassing, temperature control, etc, in the designed system.
主要有声波的衰减理论,声吸收测量的原理及方法,混浊水的组成等;同时,在实验室中搭建了一套混浊水声吸收系数测量系统,该测量系统具备比较完善地真空除气、温度控制等设施。
参考来源 - 混浊水介质声吸收实验测量研究In seawater sound transmission loss includes geometry spread loss, medium sound absorption, interface reflection attenuation, and nonuniform object scattering.
海洋中声传播损失包括由于几何扩展损失、介质声吸收,海底海面反射衰减,非均匀体散射。
参考来源 - 近岸海水中悬浮颗粒物对声纳探测性能的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
研究了实际系统中有源声吸收自适应控制方案。
An adaptive control approach applied to practical active sound absorption systems is presented.
结论静脉快速输入HL - 1可使兔肝脏组织结构发生相应的变化，使肝脏声吸收衰减增加，因而改变了肝脏组织声学环境。
Conclusion Liver tissues and structures varied by HL-1 quick intravenous infusion. The promotion in ultrasound attenuation and absorption indicated a shift of acoustic environment.
恶劣天气中产生的气泡比平时更多，正是这些气泡吸收了鲸鱼发出的“滴答声“。
It is these that absorb whale "clicks": Rough weather generates more bubbles than usual.
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