Results 41 to 50 of about 93,370 (205)

Development of Sustainable MgO–C Refractories Using MgO–C Recyclates and a Novel Eco‐Friendly Fructose–Tannin Binder Crosslinked With Citric Acid

Advanced Engineering Materials, EarlyView.
This study develops sustainable MgO–C refractories using recycled materials and eco‐friendly fructose–tannin binders. The enhanced performance of citric acid as a cross‐linker and functional additives on mechanical and thermomechanical properties was examined. Characterization included strength tests, immersion trials, and microstructural and inclusion
Dinesh K. Gunasekar, Jana Hubálková, Steffen Dudczig, Gert Schmidt, Florian Kerber, Thomas Schemmel, Patrick Gehre, Christos G. Aneziris   +7 more
wiley   +1 more source

Nanoarchitectonics of Porous Carbons Templated by Inorganic Metal Oxides and Alkali Metal Salts for Energy and Environmental Applications

Advanced Science, EarlyView.
This review explores inorganic metal oxides and metal salt nanoparticles templated porous carbons, highlighting their synthesis, structural features, and performance in energy and environmental applications. It critically compares template types, porosity control, and functional outcomes across recent literature.
Gurwinder Singh, Jibi Kunjumon, Harleen Kaur, Narinder Singh, Gregory Franklin, Arpita Pandey Tiwari, Lukas Van Zweiten, John Kennedy, Ajayan Vinu   +8 more
wiley   +1 more source

Fissure evolution and variation of pyrolysis kinetics parameters of tar-rich coal during heat treatment under different atmosphere

Meitan kexue jishu
The clean and efficient development of tar-rich coal is helpful in ensuring China's energy security. The tar-rich coal from Ningtiaota Mine was selected and heated under N2 and hypoxia atmosphere.
Shuangming WANG, Qiang SUN, Xin HU, Zhenlong GE, Jishi GENG, Shengze XUE, Qingmin SHI   +6 more
doaj   +1 more source

Migration law for random parameters rockfall in steeply dipping coal seams

Frontiers in Earth Science, 2023
The migration process of rockfall has certain complexity and randomness in steeply dipping coal seams (SDCS). The three-dimensional random migration of rockfall with random parameters cannot be accurately simulated.
Ming Liu, Ming Liu, Jie Chen, Yang Xiao, Wenyu Lv   +4 more
doaj   +1 more source

Sustainable farming with native rocks: the transition without revolution. [PDF]

, 2006
The development process which humanity passed through favored a series of conquests, reflected in the better quality of life and longevity, however, it also provoked upsets and severe transformation in the environment and in the human food security. Such
ALTIERI MA, DISSANAYAKE DB, FONSECA R, FYFE WS, LEONARDOS OH, LEONARDOS OH, LEONARDOS OH, MELFI AJ, Othon H. Leonardos, SHIKI S, SMEDLEY PL, SMITH B, Suzi H. Theodoro, THEODORO SCH, VAN STRAATEN P, William S. Fyfe   +15 more
core   +4 more sources

Review: Insight on Porous Carbon Positive Electrode for Sodium‐Ion Capacitors: Interplay Between Synthesis, Properties, and Performance

Advanced Science, EarlyView.
Sodium ion capacitor (SIC) is currently constrained by the low discharge capacity of commercial activated carbon as positive electrode material. This review provides a holistic summary of research efforts on alternative porous carbon materials for SIC. Image created by the authors with www.biorender.com.
Ademola Adeniji, Adrian Beda, Camélia Matei Ghimbeu   +2 more
wiley   +1 more source

Current status and development directions of surface and in-situ low-carbon development and utilization technologies for oil-rich coal in Xinjiang [PDF]

Youqicang pingjia yu kaifa
Xinjiang has significant advantages in oil-rich coal resources. The efficient and clean utilization of these resources can ensure the supply of oil and gas resources, promote the effective utilization of deep coal resources, and mitigate environmental ...
WEI BO, YANG SHUGUANG, LI XIN, TANG ZHUYUN, ZHANG NA, WANG BO, ZHAO CHEN, LI JINRU, ZHAO ZHENGWEI, FENG SHUO, JIA CHAO   +10 more
doaj   +2 more sources

Fault tree analysis and prevention strategies for gas explosion in underground coal mines of Pakistan [PDF]

, 1971
Purpose. Gas explosion in the underground coal mines of Pakistan is the main source of coal miners’ mortalities. The purpose of this article is to analyze the main causes of gas explosion in the underground coal mines of Pakistan. Methods.
Shahani, N.M., Sajid, M.J., Zheng, X, Jiskani, I.M., Brohi, M.A., Ali, M, Ullah, B, Qureshi, A.R.   +7 more
core   +1 more source

Advances and Perspectives in Graphene‐Based Quantum Dots Enabled Neuromorphic Devices

Advanced Science, EarlyView.
Graphene‐based QDs are zero‐dimensional carbon nanomaterials with pronounced quantum confinement and tunable electronic structures. Herein, we summarize their synthesis strategies and functionalization methods, and highlight their functional roles and operating mechanisms in devices, as well as recent advances in neuromorphic electronics. We anticipate
Yulin Zhen, Wei Zeng, Zherui Zhao, JiYu Zhao, Ziyan Huang, Zhuo Chen, Kui Zhou, Guanglong Ding, Su‐Ting Han, Ye Zhou   +9 more
wiley   +1 more source

Overburden stress evolution characteristics and prediction of disasters with across-gully mining

Frontiers in Earth Science, 2023
The coal water co-mining of shallow coal seams in the loess gully area of Northern Shaanxi is affected by the coupling effect of overburden rock structure and topography.
Hongwei Wang, Hongwei Wang, Hongwei Wang, Baolin Jiang, Jianqiang Jiao, Yanjun Li   +5 more
doaj   +1 more source