Control effect of thickness ratio of soft and hard composite coal seam on unloading failure di LIU Hongyong, LI Zhen, YANG Jianmin, LI Longfei, ZHENG Chunshan

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Evaluation of the Performance of Low-Cost Air Quality Sensors at a High Mountain Station with Complex Meteorological Conditions di Hongyong Li, Yujiao Zhu, Yong Zhao, Tianshu Chen, Ying Jiang, Ye Shan, Yuhong Liu, Jiangshan Mu, Xiangkun Yin, Di Wu, Cheng Zhang, Shuchun Si, Xinfeng Wang, Wenxing Wang, Likun Xue

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