Results 71 to 80 of about 309,554 (217)

Coal-gangue recognition via multi-branch convolutional neural network based on MFCC in noisy environment

open access: yes, 2023
Traditional coal-gangue recognition methods usually do not consider the impact of equipment noise, which severely limits its adaptability and recognition accuracy.
ZhiJiang Liu   +6 more
core   +1 more source

Coal-Gangue Interface Detection Based on Ensemble Empirical Mode Decomposition Energy Entropy

open access: yesIEEE Access, 2021
To realize the unmanned automation of the full mechanized caving, the bottleneck problem of coal-gangue interface detection in top coal caving must be solved first. Targeting coal-gangue interface detection on fully mechanized mining face, an alternative
Wei Liu   +5 more
doaj   +1 more source

Ecological Restoration of Degraded Mining Soils Through Key‐Layer Construction Using Industrial By‐Products: A Comprehensive Analysis of Soil Physics, Microbiology, and Maize Yield

open access: yesLand Degradation &Development, Volume 37, Issue 15, Page 11613-11627, September 2026.
ABSTRACT Coal mining severely degrades soil profiles and ecosystem functions, highlighting the need for effective reclamation. Reconstructing soil profiles with industrial solid wastes offers a promising waste‐to‐resource approach, but the ecological effects of different engineered key‐layer materials remain unclear.
Yi‐Jie Quan   +13 more
wiley   +1 more source

Impact of calorific value on thermal activation and desilication performance of high-alumina coal gangue

open access: yesFuel Processing Technology
Coal gangue is a major industrial solid waste generated from coal mining and processing, and amorphous silica removal is the key to its high-value utilization.
Jingnan Hong   +3 more
doaj   +1 more source

Coal and Gangue Active Identification Method Using Microwave Irradiation-Infrared Detection

open access: yes, 2022
In the process of the longwall top coal caving method, automatic distinction between coal and gangue at the working face is one of the most critical factors for the success of the operation. An active coal and gangue identification method using microwave
Huamin Li, Hani S. Mitri, Chuang Liu
core   +1 more source

High‐Value Utilization of Typical Vanadium‐Bearing Solid Wastes: Mineralogy, Pathways, and Perspectives

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Vanadium‐bearing solid wastes (VBSWs) have emerged as a key research priority in resource recovery and environmental remediation because of their high resource value, large generation volume, and complex phase composition. However, practical utilization of these wastes still faces major challenges, including heavy environmental burdens, ill ...
Bowen Duan   +7 more
wiley   +1 more source

Study on Preparation of Coal Gangue-Based Geopolymer Concrete and Mechanical Properties

open access: yes, 2021
Alkaline dry powder activator, coal gangue, fly ash, and other raw materials are utilized to prepare coal gangue-based geopolymer concrete. The procedures of making the coal gangue-based geopolymer concrete are illustrated firstly. Also, basic mechanical
Tiantian Liu, Fangjin Sun, Daming Zhang
core   +1 more source

Barriers to Steel Decarbonization

open access: yessteel research international, Volume 97, Issue 9, Page 4415-4437, September 2026.
Main identified barriers to steel decarbonization Carbon dioxide (CO2) emissions are a leading contributor to global climate change, necessitating urgent mitigation strategies. While various metrics—such as total national emissions, per‐capita output, and historical contributions—define responsibility, determining accountability remains complex ...
Pasquale Cavaliere
wiley   +1 more source

Coal gangue recognition method based on water heat transfer and infrared thermal imaging

open access: yesGong-kuang zidonghua
The coal gangue recognition method based on visible light images has low accuracy and slow recognition speed. The coal gangue recognition method based on high-energy ray transmission has significant radiation, resulting in limited application.
CHENG Gang   +4 more
doaj   +1 more source

Geopolymers as a Sustainable Chemical Platform: From Building Materials to Advanced Functional Applications

open access: yesThe Chemical Record, Volume 26, Issue 9, September 2026.
Geopolymers are presented as a chemically programmable platform whose properties emerge from activation chemistry, nanoscale disorder, and interfacial design. The review highlights sustainability challenges, the shift toward nanoengineered and hybrid systems, and the rise of halloysite‐based architectures enabling tunable structures across scales for ...
Martina Maria Calvino   +4 more
wiley   +1 more source

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