Results 61 to 70 of about 9,578 (228)

Modeling the Thermal Properties of Hydrogen‐Based Direct Reduced Iron Using Computational Thermodynamics and Machine Learning

open access: yessteel research international, EarlyView.
Hydrogen‐based direct reduced iron (H‐DRI) melts differently from scrap and carbon‐bearing DRI. This work combines differential scanning calorimetry experiments, FactSage thermodynamics, and simple composition‐based regression to predict solidus, liquidus, heat capacity, and enthalpy for H‐DRI.
Ankur Agnihotri   +3 more
wiley   +1 more source

Research on Recognition of Coal and Gangue Based on Laser Speckle Images

open access: yesSensors, 2023
Coal gangue image recognition is a critical technology for achieving automatic separation in coal processing, characterized by its rapid, environmentally friendly, and energy-saving nature.
Hequn Li   +5 more
doaj   +1 more source

Modeling water-energy-food nexus for planning energy and agriculture developments: case study of coal mining industry in Shanxi province, China [PDF]

open access: yes, 2015
As the main energy in China, coal has been the guarantee for the sustainable and rapid development of the economy. It will remain to be the guarantee for energy security in China for a very long time.
Cao, G.-Y.   +6 more
core  

Improved YOLOv5 for Efficient Elimination of Unwanted Video Frames From High‐Speed Video Arrays Capturing Bat's Kinematics

open access: yesApplied AI Letters, Volume 7, Issue 1, February 2026.
Deep learning pipeline developed to filter high‐speed bat flight recordings captured inside a custom flight tunnel. ABSTRACT This research aims to investigate the flying kinematics of bats, drawing inspiration from nature to benefit humans in achieving vision‐independent flights. The project uses 50 cameras mounted inside a specially designed tunnel to
D. P. Jayathunga   +4 more
wiley   +1 more source

Study on the prediction of gangue content rate in fully mechanized caving face based on DeepLab v3+

open access: yesGong-kuang zidonghua
To tackle the challenge of accurately determining the volumetric gangue content rate under actual stacking conditions of coal-gangue in fully mechanized caving faces, a prediction method based on the DeepLab v3+ model was proposed.
WANG Zhifeng   +3 more
doaj   +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

Microbial ecology of Thiobacillus ferrooxidans [PDF]

open access: yes, 1990
FINAL TECHNICAL REPORT TO U.S. DEPARTMENT OF THE INTERIOR Geological Survey Washington. D.C.The contents of this report were developed in part under a grant from the Department of the Interior, U.S. Geological Survey.
Braddock, Joan F.   +5 more
core  

Study on Key Controlling Factors of Fracture Propagation by Shaped Charge Blasting in Coal Seams

open access: yesEnergy Science &Engineering, Volume 14, Issue 2, Page 721-736, February 2026.
Gas drainage is the fundamental approach to controlling gas disasters in coal mines. For single low‐permeability coal seams, it should be supplemented by coal seam permeability enhancement technologies to improve gas drainage efficiency. This paper conducted a numerical simulation study on the key controlling factors affecting the fracturing effect of ...
Xin Yang   +4 more
wiley   +1 more source

Study of a static screen, jig, spiral, and a compound water cyclone in a placer gold recovery plant [PDF]

open access: yes, 1987
During the 1986 mining season both laboratory and field test work were conducted to study the performance efficiencies of a wedge-wire static screen, a Pan-American jig, a Reichert Mark VII spiral, and a 12" compound water cyclone.
Cook, D.J., Rao, P.D., Walsh, D.E.
core  

Toward Decarbonization of the Titanium Industry via Hydrogen Plasma Smelting Reduction

open access: yesAdvanced Science, Volume 13, Issue 1, 5 January 2026.
Hydrogen plasma smelting reduction enables direct, zero‐carbon conversion of low‐grade ilmenite into steel‐grade iron and a titania‐rich precursor for pigment production. The single‐step process merges smelting and refining, sharply lowers silica content, and offers a breakthrough path for sustainable, high‐value extraction from abundant mineral sands.
Laura Gabriela Torres‐Mejia   +5 more
wiley   +1 more source

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