The attenuation of temperature wave in humid sand layer on an evaporation cooling roof differs from that in dry sand layer in essence.

有含湿砂层存在的被动蒸发冷却层屋面的温度波衰减，在本质上不同于干燥状态情况。

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Attenuation of wave amplitude of reservoir rock at simulated high temperature and pressure is measured with spectrum-amplitude comparison mediod in laboratory.

在实验室内用频谱振幅比较法模拟测试了储集层岩石在高温高压下的弹性波振幅衰减值。

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Attenuation of elastic wave amplitude in rock is affected by its temperature and pressure, filled fluid properties, fluid saturation, rock composition and structure, etc.

弹性波振幅在岩石中的衰减程度受其温压、所含流体性质、流体饱和度、岩石组分、结构等因素的影响。

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