Zobrazeno 1 - 10
of 184
pro vyhledávání: '"YAN Zhenguo"'
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 1, Pp 80-87 (2024)
In response to the dust control problem in excavation roadways, the traditional long pressure short suction ventilation dust reduction technology has problems such as large dust diffusion areas and easy blockage of jet holes in the air curtain dust r
Externí odkaz:
https://doaj.org/article/e138365dd3e7406a86d811df46a65ccb
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 9, Pp 64-72 (2023)
The existing high-precision wind speed sensors are uniformly installed in the coal mines under normal airflow conditions. It does not consider the abnormal airflow caused by obstacles placed in the roadway. It cannot meet the wind speed precision req
Externí odkaz:
https://doaj.org/article/83993b08c3c54efba2068777c51d2874
Publikováno v:
中国工程科学, Vol 25, Iss 2, Pp 243-253 (2023)
The human‒coal space relationship is significant for the safe and efficient production of coalmines. Reconstructing the human‒coal space order using intelligent technologies in coalmines will provide a core technical support for the high-quality
Externí odkaz:
https://doaj.org/article/e57fa2c2ba6e4f978c506b30e8d2f30c
Publikováno v:
Meikuang Anquan, Vol 53, Iss 9, Pp 193-197 (2022)
In view of the difficulty of professional management of “one ventilation and three prevention” to meet the demand of daily intelligent control of mine, the paper proposes to build an intelligent control system for one ventilation and three preven
Externí odkaz:
https://doaj.org/article/813d38a5e32d436ab374511d2ed8cd54
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 9, Pp 134-139 (2022)
The single gas prediction model has weak capability in mining all characteristics of the mine gas concentration time sequence. In order to solve the problem, a combined prediction model based on autoregressive intergrated moving average (ARIMA) model
Externí odkaz:
https://doaj.org/article/83f91b3baf7344649c7782625869aec5
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 7, Pp 135-141 (2022)
The existing research on the spontaneous combustion characteristics of oxidized coal is mostly based on the coal samples prepared under the conditions of lower oxidation temperature and air. It lacks the analysis of the kinetic characteristics during
Externí odkaz:
https://doaj.org/article/cb73800296ad4e1ab6c99d47ea071968
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 2, Pp 77-82 (2022)
At present, most of the research on gas explosion takes the mixed gas of CH4 and air as the research object, but the gas explosion in coal mine is not a separate CH4 explosion, there are often CO and other components, which have a certain effect on g
Externí odkaz:
https://doaj.org/article/ad1a264d7242409f8b1b91efd9a94152
Publikováno v:
Gong-kuang zidonghua, Vol 46, Iss 10, Pp 92-98 (2020)
The current information systems have relatively single function, and most of them are still in the stage of simple mathematical statistics and information reporting. Moreover, most systems split risk control and accident hidden into two different sys
Externí odkaz:
https://doaj.org/article/2774243c35e440efa90657a9f02cd110
Publikováno v:
Gong-kuang zidonghua, Vol 46, Iss 6, Pp 53-58 (2020)
In view of problems that equivalent orifice commonly used in current mine ventilation difficulty degree evaluation cannot effectively reflect details of ventilation difficulty degree, and ventilation resistance measurement cannot well measure effect
Externí odkaz:
https://doaj.org/article/76c51ed2f958482698fdef681b2c582e
Publikováno v:
Gong-kuang zidonghua, Vol 45, Iss 11, Pp 55-58 (2019)
Classification and rectification modes of accident hidden dangers in coal mine were summarized. Research status of hidden danger investigation information management system of coal mine were expounded from three aspects of technical support system, i
Externí odkaz:
https://doaj.org/article/1fcd505814e24a62bee61af9e1c57fec