Zobrazeno 1 - 10
of 2 130
pro vyhledávání: '"DING Zhen"'
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 4, Pp 15-22 (2023)
The monitoring alarming or early warning of five major hazards in coal mines are initially achieved in China. The hazards include gas, fire, water damage, roof and dust. However, the level of intelligence is relatively low, and it does not have the c
Externí odkaz:
https://doaj.org/article/b1590d330c724cb2ab2eb9886aee15c3
Autor:
DING Zhen, SUN Jiping, ZHANG Fan, WANG Peng, HU Eryi, DENG Wenge, GAO Jing, ZHENG Yaotao, WANG Bo, GAO Qiuqiu, LI Ximin, QIAN Haijun, LIU Jianhua, QIAO Shaoli, BAO Zhen, YANG Yongsheng, YANG Zhenyu, LI Yuxue, LI Yuhan, SHAO Guangyao
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 2, Pp 6-13 (2023)
At present, there are some problems in the construction of the intelligent mine, such as the non-uniform interface protocol and the formation of new 'information island'. They lead to the difficulty of data fusion and sharing in mines and the difficu
Externí odkaz:
https://doaj.org/article/eeebba6cb8c74b7bb0c8a5d57daf51c9
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 10, Pp 107-115 (2022)
With the development of the intelligent mine, open-pit coal mine unmanned transportation system has gradually carried out experimental applications. But the application of new technologies brings new management challenges. The existing emergency mana
Externí odkaz:
https://doaj.org/article/cad9906e2f5644a5917f3b4c33cfacd1
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 9, Pp 109-115 (2022)
At present, the research on unmanned mine trucks mainly focuses on specific control methods such as path tracking and aided decision-making for driving safety. The research is insufficient to support the unmanned operation of the whole mining area tr
Externí odkaz:
https://doaj.org/article/902cb37e4056433eaaa451cbcc5f153d
Autor:
LI Haodang, DING Zhen, ZHANG Kai, LUO Huiqiang, CAO Zhengyuan, CUI Wen, YOU Xiusong, ZHAO Xingyu, MENG Guangrui, SUN Jiang, DENG Wenge
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 2, Pp 1-10 (2022)
Coal is the guarantee energy in China, and its dominant position in energy will not change for a period of time in the future. Coal intelligent mining will show a rapid development trend and enter into a new stage of development. Through induction an
Externí odkaz:
https://doaj.org/article/c5e295e884e04f89a379fd42a38fa403
Autor:
DING Zhen, CHANG Boshen
Publikováno v:
Gong-kuang zidonghua, Vol 47, Iss 12, Pp 93-97 (2021)
When using near-infrared reflectance spectrum to identify coal gangue, the change of detection distance between spectrum acquisition device and working face and dust interference will affect near-infrared reflectance spectrum. In order to select the
Externí odkaz:
https://doaj.org/article/0210000b33794460ae6935e895a01404
Publikováno v:
Zhipu Xuebao, Vol 42, Iss 6, Pp 1113-1126 (2021)
In our previous study, it has been confirmed that the 50% ethanol extract of Euodiae Fructus is a hepatotoxic active part, and its metabolism in rat serum has been revealed. However, the metabolic pathway of traditional Chinese medicine in vivo is mu
Externí odkaz:
https://doaj.org/article/c89f64eed1734953b87e85b0dd3b75c1
Autor:
DING Zhen, ZHANG Yuchen
Publikováno v:
Gong-kuang zidonghua, Vol 47, Iss 11, Pp 131-134 (2021)
The environment of the fully mechanized working face in coal mines is harsh and the dust concentration is high. When ultra wide band (UWB) is used for positioning, it is easy to be interfered by dust. UWB ranging will have certain errors, so the posi
Externí odkaz:
https://doaj.org/article/01b45d9a25564eae9cfa7043798897b8
Autor:
YANG Rongming, DING Zhen, YANG Jianjian, FU Jianhua, GAO Yu, WEI Ya, AI Yunfeng, ZHANG Zhiming
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 11, Pp 80-83, 100 (2022)
The test of mine unmanned vehicle has problems of great danger, long test time, high test cost and narrow test coverage. In order to solve the above problems, the simulation system of unmanned mine vehicle based on parallel control theory is studied.
Externí odkaz:
https://doaj.org/article/b27ae4f256f246649d4ab124dba526b8
Publikováno v:
BMC Endocrine Disorders, Vol 18, Iss 1, Pp 1-7 (2018)
Abstract Background The Ki-67 index in gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) may change throughout the disease course. However, the definitive effect of Ki-67 variability on GEP-NENs remains unknown. The aims of this study were t
Externí odkaz:
https://doaj.org/article/a616d523a1a743daaeccf14542c33fec