Results 91 to 100 of about 9,725 (229)

Influence of Pore Water on Energy Dissipation of Concrete and Its Quantitative Calculation Method

open access: yesAdvances in Civil Engineering, Volume 2026, Issue 1, 2026.
Pore water is widely recognized as a critical factor that exerts a substantial impact on the mechanical strength of concrete materials. The present study centers on investigating the energy dissipation behavior of concrete under various conditions.
Xiaohong Chen   +6 more
wiley   +1 more source

An Image-Based Hierarchical Deep Learning Framework for Coal and Gangue Detection

open access: yesIEEE Access, 2019
The efficient separation of coal and gangue in the mining process is of great significance for improving coal mining efficiency and reducing environmental pollution.
Dongjun Li   +6 more
doaj   +1 more source

Beneficiation of concentrated ultrafine suspensions with a Falcon UF concentrator [PDF]

open access: yes, 2011
Falcon concentrators are enhanced gravity separators designed for concentrating fine particles. The Falcon UF model is unique in that it is dedicated to beneficiation of ultrafines, one key feature being that it does not make use of any fluidization ...
Bourgeois, Florent   +2 more
core  

Research on Mechanical Response Mechanisms of Interlayer Rock Strata in Closely Spaced Coal Seam Mining

open access: yesAdvances in Civil Engineering, Volume 2026, Issue 1, 2026.
Closely spaced coal seams holds significant importance in global energy development, as the mechanical response mechanism of interlayer rock strata directly governs roadway deformation and stress concentration levels. This study investigates the impact of bearing structures within interlayer strata on the stability of surrounding rock during closely ...
Yuancheng Pei   +5 more
wiley   +1 more source

Design of separation system of coal and gangue based on X-ray and machine visio

open access: yesGong-kuang zidonghua, 2017
In view of problems of low efficiency, environmental pollution and high cost existed in traditional coal and gangue separation method, a separation system of coal and gangue based on X-ray and machine vision was designed.
YANG Huigang, QIAO Zhimin
doaj   +1 more source

An LCA study of an electricity coal supply chain [PDF]

open access: yes, 2014
Purpose: The aim of this paper is to provide methods to find the emission source and estimate the amount of waste gas emissions in the electricity coal supply chain, establish the model of the environmental impact (burden) in the electricity coal supply ...
Mu, Dong, Wang, Chao
core  

Study on the Parameter Optimization and Strength Mechanism of Coal Gangue Emulsified Asphalt Mixture

open access: yesAdvances in Materials Science and Engineering, 2020
Emulsified asphalt mixture has the characteristics of convenient construction and durable performance, but its poor early strength and demulsification seriously restrict the popularization and application of this material.
ZhanLiang Liu, Chen Zhang, Xin Qu
doaj   +1 more source

A coal-gangue optimization identification method

open access: yesGong-kuang zidonghua, 2020
Aiming at problem that target detection of coal-gangue image is not accurate due to wear of conveyor belt, which affects identification accuracy of coal-gangue, a coal-gangue optimization identification method is proposed. After pre-processing of collected images such as cutting, denoising and grayscale, the trained cornernet-squeeze deep learning ...
openaire   +1 more source

Dynamic weighing method for coal and gangue in coal-gangue sorting robots

open access: yesGong-kuang zidonghua
Image recognition-based coal-gangue sorting robots have become a research hotspot in the field of coal-gangue separation. To address the issue of low recognition accuracy caused by complex real-world conditions—such as dust adhesion, lighting variation, water stains, and coal slurry coverage—a dynamic weighing method for coal and gangue was proposed ...
CAO Xiangang   +4 more
openaire   +1 more source

Research of Comprehensive Utilization of Coal Gangue

open access: yesDEStech Transactions on Engineering and Technology Research, 2018
Oil and coal are abundant in China and it is a superiority for the development. Coal gangue come from the course of coal exploitation, and processing, which is one of the solid wastes of industry biggest in emission of our country. How to solve this environment pollution and effectively utilize the coal gangue is a main subject and difficult problem ...
JIA HAN   +3 more
openaire   +2 more sources

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