• Combining several techniques enables researchers to measure the rate of diffusion of these helium gas molecules, which reflect the size of the air sacs in the lung.

    联合其他仪器研究者能够测量出氦气分子扩散这将反映出肺泡大小

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  • It was found that the shape of absorption signal was controlled by the property of the analyte, the sample vaporization rate and the gas diffusion rate.

    结果表明,吸收信号形状被测元素性质样品气化速率原子蒸气扩散速率决定。

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  • On the basis of distribution of radioactive elements and geological background, the theory equation of radon exhalation rate is derived from the decay rule of radioactive elements and gas diffusion.

    根据放射性元素分布规律地质背景放射性元素衰变等,建立了计算析出理论公式

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  • On the basis of distribution of radioactive elements and geological background, the theory equation of radon exhalation rate is derived from the decay rule of radioactive elements and gas diffusion.

    根据放射性元素分布规律地质背景放射性元素衰变等,建立了计算析出理论公式

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