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Preventing water-inrush from floor in coal working face with paste-like backfill technology.
Qu X, Shi L, Han J. Qu X, et al. Sci Rep. 2023 Sep 24;13(1):15947. doi: 10.1038/s41598-023-43311-7. Sci Rep. 2023. PMID: 37743362 Free PMC article.
In the view of the situation where great economic loss often occurs during mining deep coal seams in Feicheng coal field due to water inrush from the floor Ordovician limestone aquifer, the floor "lower four-zone" theory was used as a guide. 81006 working face of Caozhuang …
In the view of the situation where great economic loss often occurs during mining deep coal seams in Feicheng coal field due to water …
CT imaging features of 34 patients infected with COVID-19.
Zhang L, Kong X, Li X, Zhu J, Liu S, Li W, Xu C, Du H, Jing H, Xu J, Shi T, Xie Y. Zhang L, et al. Clin Imaging. 2020 Dec;68:226-231. doi: 10.1016/j.clinimag.2020.05.016. Epub 2020 May 16. Clin Imaging. 2020. PMID: 32425337 Free PMC article.