Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Jinfeng Guan"'
Study on characteristics of coal and gas outburst in Panjiang Mining Area based on Apriori algorithm
Publikováno v:
Meikuang Anquan, Vol 55, Iss 7, Pp 1-8 (2024)
In order to reveal the occurrence law of coal and gas outburst disaster in Panjiang Mining area and improve the targeted work of gas prevention and control, the gas geological parameters of 37 coal and gas outburst accident points in Panjiang Mining
Externí odkaz:
https://doaj.org/article/08c14917183544499458bcbe908ad45a
Publikováno v:
Zhongguo dizhi zaihai yu fangzhi xuebao, Vol 35, Iss 2, Pp 115-126 (2024)
The investigation of hidden structures and the prediction of gas abnormal area form the foundation of gas disaster prevention engineering. In accordance with the laws and regulations governing coal mining in our country, a gas pumping project must be
Externí odkaz:
https://doaj.org/article/a844c89dc6514925a650102175b576f8
Autor:
Aiyi Xin, Hui Jin, Xiaoyan Yang, Jinfeng Guan, Heping Hui, Haoyue Liu, Zengtuan Cui, Zhiheng Dun, Bo Qin
Publikováno v:
Plants, Vol 11, Iss 15, p 1934 (2022)
To reveal the allelopathic effects of potato, seven compounds were isolated from the rhizosphere soil: 7-methoxycoumarin (1), palmitic acid (2), caffeic acid (3), chlorogenic acid (4), quercetin dehydrate (5), quercitrin (6), and rutin (7). Bioassays
Externí odkaz:
https://doaj.org/article/289671589f824bbea1cae038f0885a41
Publikováno v:
ACS Omega. 7:37572-37580
To study the differences between various gas injection sources in the process of coal seam methane replacement, experimental research was conducted to study the influences of different gas injection sources and gas injection ratios on coal seam metha
Publikováno v:
ACS omega. 7(36)
To study the safety of the source gas in coal seams after gas injection displacement, choosing N
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 782:032096
To diagnose fault of nonlinear components in analog circuits, a method of fault diagnosis based on Volterra series theory, high-order spectrum and kernel assurance criterion (KAC) analysis was proposed. Firstly, input and output signals of the analog
Publikováno v:
2009 4th IEEE Conference on Industrial Electronics and Applications.
Olympic Games in 2008 is not only a world sports event, but also a great opportunity to show our current level of economic development and modern science and technology strength. Precision water-saving irrigation automatic control system by plant phy
Publikováno v:
2009 4th IEEE Conference on Industrial Electronics & Applications; 2009, p1296-1300, 5p