Zobrazeno 1 - 10
of 145
pro vyhledávání: '"Liming Qiu"'
Publikováno v:
Meitan xuebao, Vol 49, Iss 3, Pp 1375-1387 (2024)
Electromagnetic radiation and vibration monitoring technologies are widely used in the monitoring and early warning of dynamic disasters in underground engineering, which is of great significance to the safe and efficient development of underground e
Externí odkaz:
https://doaj.org/article/ebbc0429577e4a5596f9aba38a709c1d
Publikováno v:
Zhongguo quanke yixue, Vol 27, Iss 10, Pp 1245-1251 (2024)
Background Overweight, obesity, and central obesity have become significant public health issues globally, affecting the well-being of residents. Analyzing the prevalence trends of overweight, obesity, and central obesity among residents in Shanxi Pr
Externí odkaz:
https://doaj.org/article/5d8e6af38c3e432d9e0606fff85103fb
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 155-165 (2024)
Based on the engineering background of the ultra-close adjacent coal seam group in the deep part of Pingdingshan No.8 coal mine, this paper studies the reasonable layering of bottom pumping roadway under the mining condition of deep ultra-close seam.
Externí odkaz:
https://doaj.org/article/28be4b3c6df242099a47b54939f4f344
Publikováno v:
Meitan kexue jishu, Vol 51, Iss S2, Pp 50-59 (2023)
In the process of deep mining, the geological type of the mine is complicated. Under the condition of “three heights and one disturbance”, it is easy to cause coal and gas outburst and other coal and rock dynamic disasters near the hidden structu
Externí odkaz:
https://doaj.org/article/6c3b8dbbac654906a1d2096e6c7195af
Autor:
Qiang, Liu, Dazhao, Song, Liming, Qiu, Yankun, Ma, Bin, Pan, Yujie, Peng, Ping, Wang, Gang, Yang, Yi, Zhu
Publikováno v:
In Energy 1 July 2024 298
Publikováno v:
Petroleum Exploration and Development, Vol 50, Iss 5, Pp 1261-1268 (2023)
In order to obtain the impact frequency of resonant coal breaking by self-excited oscillation pulsed supercritical carbon dioxide (SC-CO2) jet, large eddy simulation was used to analyze the formation and development process of self-excited oscillatio
Externí odkaz:
https://doaj.org/article/a962f28cc286400ca9a1249c82f2206d
Autor:
Dazhao, Song, Qiang, Liu, Liming, Qiu, Jianguo, Zhang, Khan, Majid, Yujie, Peng, Yingjie, Zhao, Man, Wang, Minggong, Guo, Taotao, Hong
Publikováno v:
In Fuel 15 April 2024 362
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 2, Pp 457-466 (2023)
Rock fracturing is often accompanied by electromagnetic phenomenon. As a vector field, in addition to the intensity that is widely concerned, the generated electromagnetic field also has obvious directionality. To this end, a set of electromagnetic a
Externí odkaz:
https://doaj.org/article/3cb53e4fafd64221b3ad78853d0307f3
Publikováno v:
International Journal of Coal Science & Technology, Vol 9, Iss 1, Pp 1-14 (2022)
Abstract Efficient and accurate monitoring and early warning of coal dynamic disaster and other disasters can provide guarantee for the efficient operation of mine transportation system. However, the traditional threshold early warning method often f
Externí odkaz:
https://doaj.org/article/0ba627e765424659823e7aa20516c6bf
Autor:
Liming Qiu1,2 qiulm@ustb.edu.cn, Yi Zhu1 zhuyi980315@163.com, Qiang Liu1 liuqiang_2215@163.com, Minggong Guo2 pingmeigmg@126.com, Dazhao Song1 song.dz@163.com, Anhu Wang3 anhu163@163.com
Publikováno v:
Advances in Geo-Energy Research. Sep2023, Vol. 9 Issue 3, p198-210. 13p.