Results 91 to 100 of about 63,148 (319)

Impact resistance performance of rockbolt system with(out) rubber cushion energy absorbing and buffering components

Meitan xuebao
The practice of impact resistance support in dangerous roadways has shown that energy absorbing and buffering components can improve the impact resistance performance of rockbolt support systems. A rubber cushion layer was used as an energy absorbing and
Zhiguo LU, Fuqiang GAO, Jinfu LOU, Shuangyong DONG, Xiangyuan PENG, Gang BAI, Xiaoqing WANG, Lei YANG, Yukai FU   +8 more
doaj   +1 more source

Will Iron Forge the Future of Metal‐Air Batteries in Grid Scale Energy Storage?

ChemSusChem, EarlyView.
This Perspective paper highlights different aspects of iron‐air batteries, as an appealing sustainable alternative energy storage technology for grid‐scale applications. The utilization of iron as an anode is attractive, since it is abundant and safe to handle, recyclable and affordable, has multielectron reversible redox activity, holds historically ...
Katerina Bogomolov, Yair Ein‐Eli
wiley   +1 more source

Research on intelligent conveying technology of 500 m ultra-long face scraper

Meitan kexue jishu
In the field of medium and thick coal seam mining, intelligent mining of ultra-long face is the development trend of coal mining technology, and intelligent transportation is an important part of it.Based on the summary of the problems of the scraper ...
Weixiu CUI, Runqing MU, Hongzhang XIE, Shiyuan YAN   +3 more
doaj   +1 more source

Electrocatalytic Ammonia Oxidation Reaction: Selective Formation of Nitrite and Nitrate as Value‐Added Products

ChemSusChem, EarlyView.
Ammonia (NH3) is an important hydrogen carrier with applications in energy and chemical production. This review highlights NH3 electrooxidation strategies, including fuel cells, wastewater treatment, and electrolyzers for nitrite (NO2−) and nitrate (NO3−) production as an alternative to the Ostwald process.
Ieva A. Cechanaviciute, Wolfgang Schuhmann   +1 more
wiley   +1 more source

Study on the evolution law of acoustic emission time series characteristics of coal-rock assemblage under true triaxial conditions

Frontiers in Earth Science
IntroductionThis study aims to investigate the fractal characteristics of acoustic emission (AE) signals during coal-rock rupture and their predictive significance for impact dynamic hazards.MethodsTrue triaxial loading/unloading tests were conducted on ...
Fuquan Gao, Chenyang Zhang, Chenyang Zhang, Lingchen Han, Yongxue Xia, Yongxue Xia, Quanwu Gao, Yiqun Zhou, Yiqun Zhou, Dingyi Li, Dingyi Li   +10 more
doaj   +1 more source

Localization of Acoustic Emission Source in Rock Using SMIGWO Algorithm

International Journal of Coal Science & Technology
The Grey Wolf Optimization (GWO) algorithm is acknowledged as an effective method for rock acoustic emission localization. However, the conventional GWO algorithm encounters challenges related to solution accuracy and convergence speed.
Jiong Wei, Fuqiang Gao, Jinfu Lou, Lei Yang, Xiaoqing Wang   +4 more
doaj   +1 more source

Research and application practice of digital intelligent technology and complete set of equipment for efficient coalmining

Meitan xuebao
Summarizing the current development status of intelligent and digital technologies in the coal industry, analyzing the new situations and requirements for research and application of intelligent technologies and complete sets of equipment for efficient ...
Guofa WANG, Jinhu ZHANG, Huaiwei REN, Yibo DU, Desheng ZHANG, Ruyu YAN, Xiang YU   +6 more
doaj   +1 more source

Coal roadway rapid driving technology and equipment with integrated drilling and anchoring and its application

Meitan xuebao
This paper analyzes the current situation and existing problems of coal roadway driving technologies and equipment, introduces the new mode, technology, equipment of coal roadway rapid driving with integrated drilling and anchoring and its underground ...
Hongpu KANG, Pengfei JIANG, Ziyue WANG, Xiaofeng ZHANG, Chang LIU, Chao LUO, Yaozhong WEI, Jichang GUO, Zhiliang CHEN, Rui WANG, Cundi HAN, Faquan LI, Zongke HE, Chao SU   +13 more
doaj   +1 more source

Flanders, the coal mining connection

, 2022
A brief extract from Ed Pickering's 'The Ronde; inside the Tour of Flanders, the World's toughest bike race' (London, 2018). 'Brakel is a small town sitting right in the Flemish Ardennes between Geraardsbergen and Oudenaarde....I got taliking to Guy who works for a software development company in Brussels, a hard commute to and from each day, but he ...
openaire   +1 more source

Study of the health effects of coal mining on coal mine workers of Baluchistan

International Journal of Occupational Safety and Health, 2017
Background: The data on coal mine workers was collected from May 2009 to April 2010.Objective:To study the health issues of coal mine workers. Methods: Two types of data were collected. Primary data was obtained through topographic survey and questionnaire while Secondary data about the health   issues, medical facilities and other allied facilities of
openaire   +5 more sources