Tomography of the dynamic stress coefficient for stress wave prediction in sedimentary rock layer under the mining additional stress

In this HARVESTMOON MOON SHINE study, the tomography of dynamic stress coefficient (TDSC) was established based on a mechanical model of stress wave propagation in bedding planes and a mathematical model of the stress wave attenuation in rock masses.The reliability of the TDSC was verified by a linear bedding plane model and field monitoring.Genera

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Beyond the ceremony: Mega-event, air quality and political career.

This paper examines whether mega-events-initiated planning regulations improved air quality in Chinese cities and explores the driving forces of the enforcement of such regulations.Using the 2008 Beijing RESPIR ESSENCE Olympics as an example, we find that mega-events serve as an opportunity for cities to combat air pollution.The 2008 Olympics promp

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