Study on precise control of coal caving mechanisms based on the kinematics of support structures

Autor: WANG Zuguang, WANG Shen, LI Dongyin, LI Huamin, WANG Wen, YUE Shuaishuai, LI Donghui

Publikováno v: Gong-kuang zidonghua, Vol 50, Iss 9, Pp 28-40 (2024)

Precise control of the coal caving mechanism is a crucial foundation for realizing intelligent and unmanned top coal caving mining. The spatial relationship between the coal caving mechanism and the rear scraper conveyor, as well as the top coal infl

Externí odkaz: https://doaj.org/article/0431a5f17ba74fec8051101a9a7ea93b

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Dimethyl sulfate and diisopropyl sulfate as practical and versatile O-sulfation reagents.

Autor: Yue S; State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China., Ding G; State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China.; Key Laboratory of Structure-based Drug Design & Discovery (Ministry of Education), School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, 110016, P. R. China., Zheng Y; State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China., Song C; State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China. songcl@hnu.edu.cn., Xu P; State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China. peterxu@sioc.ac.cn., Yu B; State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China., Li J; State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China. jkli@hnu.edu.cn.

Publikováno v: Nature communications [Nat Commun] 2024 Feb 29; Vol. 15 (1), pp. 1861. Date of Electronic Publication: 2024 Feb 29.