Zobrazeno 1 - 10
of 6 881
pro vyhledávání: '"Deng Jun"'
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 6, Pp 68-77 (2023)
This paper introduces the evolution and development process of coal fire and its features. This paper expounds on the detection mechanism and research progress of four layers of space exploration technology divided according to the different spatial
Externí odkaz:
https://doaj.org/article/aa762fff736d41ab9e762ecfe25b311e
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 3, Pp 130-136 (2023)
To research the influence of moisture on the oxidation characteristics of coal, the coal spontaneous combustion experiment was carried out to determine the composite index gas that can predict the spontaneous combustion of coal, and then the temperat
Externí odkaz:
https://doaj.org/article/4479a8c7596d48629b69375fbce81dde
Publikováno v:
Applied Sciences, Vol 14, Iss 8, p 3258 (2024)
The detection of corona-related defects in transmission lines has been included in the work of transmission line defect detection. Ultraviolet detection technology has gradually been widely applied in the field of corona discharge detection. However,
Externí odkaz:
https://doaj.org/article/74f90e6a39314b9fad6a7b711688a244
Publikováno v:
Zhejiang dianli, Vol 42, Iss 2, Pp 90-97 (2023)
The sudden load changes impact power grids by frequency and power oscillations. In order to distinguish the complex and massive abnormal user load data， this paper proposes a method combining multiple features and LOF （local outlier factor） alg
Externí odkaz:
https://doaj.org/article/1de479684ef64539b288279cc89bf76c
Publikováno v:
Meikuang Anquan, Vol 54, Iss 1, Pp 85-93 (2023)
In order to more accurately predict the development process of coal spontaneous combustion and take effective preventive measures in time, we used a self-developed temperature-programming experimental device, took fresh coal samples from Qingshuiying
Externí odkaz:
https://doaj.org/article/6daa38e7da4c4794b635531c96b26475
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 1, Pp 304-312 (2023)
In order to investigate the microscopic physicochemical properties and macroscopic coal-oxygen complex thermal effects in the low-temperature oxidation of coal under gas atmosphere, different metamorphic coal and secondary oxidized coal samples as re
Externí odkaz:
https://doaj.org/article/6fe1d5fd5db442108951dd8e785481fc
Publikováno v:
Meikuang Anquan, Vol 53, Iss 11, Pp 113-117 (2022)
With the increase of coal mining intensity in mines, the tendency of coal to spontaneous combustion increases gradually. Due to the existing coal mine spontaneous combustion fire beam tube chromatography monitoring system has the problems of easy dis
Externí odkaz:
https://doaj.org/article/89ad850eb4144c359a5b986614759ee1
Publikováno v:
Meikuang Anquan, Vol 53, Iss 9, Pp 113-121 (2022)
The dynamic change of goaf determines the complexity between limit parameters of coal spontaneous combustion and its influencing factors. In order to achieve accurate prediction of limit parameters of coal spontaneous combustion, the grey correlation
Externí odkaz:
https://doaj.org/article/cbb46e9bb0634755bf7d7dfceb907650
Publikováno v:
Meikuang Anquan, Vol 53, Iss 9, Pp 1-8 (2022)
The spontaneous combustion of coal in the goaf can easily lead to waste of resources and environmental pollution, and at the same time, it can cause major catastrophic accidents such as gas combustion and dust explosion, resulting in property losses
Externí odkaz:
https://doaj.org/article/fbd49dc516f5491b9593f362235be268
Publikováno v:
Meikuang Anquan, Vol 53, Iss 9, Pp 31-37 (2022)
Coal spontaneous combustion disaster is one of the main disasters in the process of coal mining. The acquisition of multi-source three-dimensional parameters of spontaneous coal combustion, the in-depth analysis of data, the establishment of mathemat
Externí odkaz:
https://doaj.org/article/5654ce1a8e214077a54c2e8011a51d6a