Zobrazeno 1 - 10
of 326
pro vyhledávání: '"Combination weight"'
Publikováno v:
All Earth, Vol 36, Iss 1, Pp 1-12 (2024)
In view of the problem of floor water inrush in the process of deep coal seam mining, propose to establish a risk assessment model for coal seam floor water inrush using GIS and combined weight TOPSIS method. Take coal 12-1 of level −950 in Donghua
Externí odkaz:
https://doaj.org/article/e17fb88e0dc64f7bb012fbfbc2e27d8f
Publikováno v:
Meikuang Anquan, Vol 55, Iss 2, Pp 184-193 (2024)
Through statistical analysis of geological and hydrogeological data of the early mining section of a mine field in Wubao Mining Area, the main control factors affecting the water inrush from the floor of the main mining coal seam were determined. Fuz
Externí odkaz:
https://doaj.org/article/9ab7cd3ad6b94166b29f08b03bb4b0a0
Publikováno v:
International Journal of Coal Science & Technology, Vol 11, Iss 1, Pp 1-25 (2024)
Abstract Indirect fracturing in the roof of broken soft coal seams has been demonstrated to be a feasible technology. In this work, the No. 5 coal seam in the Hancheng block was taken as the research object. Based on the findings of true triaxial hyd
Externí odkaz:
https://doaj.org/article/34d982475673495e812e24ef1e969768
Publikováno v:
Urban, Planning and Transport Research, Vol 11, Iss 1 (2023)
ABSTRACTMa’anshan City, located in the Yangtze River Delta region, is a demonstration city for handling the industrial transfer of the Nanjing, Hefei, and Wanjiang Metropolitan Areas in China. Developing and utilizing underground space can effectiv
Externí odkaz:
https://doaj.org/article/1a31e91f54ff4eff837b57c0b352efcd
Publikováno v:
Shuitu baochi tongbao, Vol 43, Iss 2, Pp 341-349 (2023)
[Objective] The ecological security situation of a underground coal mining area in Datong City, Shanxi Province was comprehensively evaluated in order to provide a scientific basis for the ecological protection of the underground coal mining area. [M
Externí odkaz:
https://doaj.org/article/95de2a5fbfc7462298f1f82aa1bda54c
Akademický článek
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Publikováno v:
Land, Vol 13, Iss 1, p 40 (2023)
As the construction of photovoltaic power plants continues to expand, investors have placed great importance on the suitability assessment of site selection. In this study, we have developed a multi-level evaluation system and proposed an AHP–XGBoo
Externí odkaz:
https://doaj.org/article/a3725070b61845fc96253abe510b09e0
Publikováno v:
电力工程技术, Vol 41, Iss 2, Pp 53-59 (2022)
Multi-station integration realizes the optimal usage of multiple energy by integrating the functions of substations,photovoltaic power stations,charging stations and other stations,but the location evaluation needs to take into account the influence
Externí odkaz:
https://doaj.org/article/09553cbd60e947cbb426f26f00b537a5
Publikováno v:
Ecological Indicators, Vol 147, Iss , Pp 109977- (2023)
The regional water cycle reflects both natural and social processes. The health of the regional water cycle is of great significance to the sustainable development of human beings. Focusing on the nine provinces and regions in the Yellow River Basin,
Externí odkaz:
https://doaj.org/article/058e1bf05611401c9e60db99a23cd430
Publikováno v:
Renmin Zhujiang, Vol 44 (2023)
In order to understand the coupling relationship between water resources and social economy and the main constraints in the Greater Bay Area,an evaluation index system of water resources and social economy in the Greater Bay Area is established.The c
Externí odkaz:
https://doaj.org/article/dc2469b4024d4dba8c70c8e23f6a5c3f