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Lin Liu, Xiumei Zhang and Xiuming Wang
The inversion of gas hydrate saturation is a critical procedure in the evaluation of hydrate reservoirs. In this paper, a theoretical model for a borehole acoustic wavefield excited by multipole sources is established for the first time. On this basis, t...
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Xiumei Wang, Yongjian Huang, Yingying Zhao and Jingxuan Feng
The practical implementation of the employment promotion effect of the digital economy is closely linked to rural laborers? digital skills (DS). Therefore, this study uses the Mprobit model to empirically test the impact of DS on rural labor employment c...
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Zhihui Zhao, Peng Geng, Xiao Wang, Xiao Li, Peixuan Cai, Xiumei Zhan and Xiaori Han
During the initial period of straw return, a suitable straw return technology can lay the foundation for long-term soil fertility improvement. This study focused on the issues of backward straw return technology and blind fertilizer application in the so...
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Lin Liu, Xiumei Zhang, Yunjia Ji and Xiuming Wang
A knowledge of wave propagation in boreholes with gas hydrate-bearing sediments, a typical three-phase porous medium, is of great significance for better applications of acoustic logging information on the exploitation of gas hydrate. To study the wave p...
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Liang Zhao, Hong Zhang, Qian Wang, Bo Sun, Wenhui Liu, Kaichen Qu and Xiumei Shen
Poor indoor air quality reduces the comfort experienced in the environment and can also harm our physical health. Mechanical ventilation design plays an important role in improving the indoor environment and the safety of public toilets. Therefore, in th...
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