Results 51 to 60 of about 70,675 (262)

A Polymer‐Intercalated Modulation Assembly Strategy Towards Mesoporous Single‐Crystalline BiVO4 Materials for Enhanced Photocatalytic Performance

Advanced Science, EarlyView.
A polymer‐intercalated modulation assembly strategy was proposed to synthesize mesoporous single‐crystalline BiVO4 with tunable pore structure by co‐assembly of inorganic–organic composite through coordination bonds and hydrogen bonds. Thanks to single‐crystalline properties and mesoporous structure with vanadium vacancy microenvironment, the prepared ...
Wei Li, Xiaoyan Wei, Yumeng Mao, Zhengwen Tan, Wenjun Duan, Ling Zhang, Zhen‐An Qiao   +6 more
wiley   +1 more source

Effects of coal rank on physicochemical properties of coal and on methane adsorption

International Journal of Coal Science & Technology, 2017
For the thorough research on coal metamorphism impact on gas adsorption capacity, this paper collected and summarized parameters of experimental adsorption isotherms, coal maceral, proximate analysis and ultimate analysis obtained from National ...
Yuanping Cheng, Haina Jiang, Xiaolei Zhang, Jiaqing Cui, Cheng Song, Xuanliang Li   +5 more
doaj   +1 more source

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

Analysis of reasonable position layout of lower and large thickness coal seam

矿业科学学报, 2017
In the near distance multi coal seam mining, special underground pressure of the lower coal seam appears affected by the mining of upper coal seam.How to arrange the lower seam roadway safely and effectively is not only the key to ensure the safety and ...
Meng Hao, Jia Shangwei, Cheng Zhanbo
doaj  

Evolution characteristics of stress field during crosscut tunneling in soft coal seams and prevention and control technologies for gas dynamic disasters

Meikuang Anquan
Aiming at the on-site technical problems that coal mining of uncovering coal in crosscut under complex geological conditions is prone to cause coal and gas outburst disasters, the disaster-causing mechanism analysis method is adopted to comprehensively ...
Jiang WANG, Jianguo WU, Mingqiang WANG, Lianhe GUAN, Xiong XIAO, Xu YU, Cheng ZHAI   +6 more
doaj   +1 more source

Empowering Carbon Fibers With Ti3C2Tx MXene: A Paradigm Shift Toward Integrated Structure‐Function Composites

Advanced Science, EarlyView.
This review comprehensively outlines how Ti3C2Tx MXene transforms carbon fiber from a structural component into a multifunctional platform. We systematically detail cutting‐edge modification strategies and showcase exceptional performance in EMI shielding, energy storage, smart sensing, and beyond.
Hongshuo Cao, Yue Xing, Jiangman Sun, Yanhong Tian, Yangyang Gao, Xuejun Zhang, Xiubing Liang   +6 more
wiley   +1 more source

Wetting characteristics of coal and water interface under gas atmosphere and its influencing mechanism

Meitan xuebao
Coal seam water injection is widely used for coal seam gas control, and the key to its effectiveness in controlling gas lies in the wetting effect of water on coal body.
Jiwei YUE, Chen WANG, Biming SHI, Zhaofeng WANG, Jinlin XU, Qijun HAN, Yongxin SUN, Yuehui LIANG   +7 more
doaj   +1 more source

Dual Effect of Steric Hindrance in Non‐Aqueous Amine Absorbents: Navigating the Trade‐Off Between Kinetics and Thermodynamics for Efficient CO2 Capture

Advanced Science, EarlyView.
This study elucidates how steric hindrance in amines creates a dual effect in CO2 capture: it thermodynamically favors the reaction by shifting the pathway from carbamate to alkyl carbonate formation, increasing capacity and lowering regeneration heat, while simultaneously slightly slowing the kinetics.
Xiaoyi Gao, Bin Xu, Xi Tang, Muyi Li, Cong Luo, Fan Wu, Xiaoshan Li, Liqi Zhang, Wen Chen   +8 more
wiley   +1 more source

Study of the multi-index coupling forecasting model of coal and gas outburst and its application

工程科学学报, 2018
Coal and gas outburst seriously threatens the safety of underground coal mining. With the increase in coal mining depth, the geological conditions of coal mines become complicated, which adversely affects the safety of coal mining production.
ZHANG You-yi, CUI Jin-lei, JIAO Xiang-dong   +2 more
doaj   +1 more source

FeCoNiCuPt High‐Entropy Alloy Boosts Photocatalytic Hydrogen Production on Protonated Graphitic Carbon Nitride

Advanced Science, EarlyView.
In this study, FeCoNiCuPt high‐entropy alloy particles (HEA) are loaded onto protonated g‐C3N4 nanosheets (HCN NSs) to construct HEA/HCN composites through an electrostatic self‐assembly method. Protonation treatment enriches the surface of g‐C3N4 nanosheets with abundant active sites and enhances their interfacial charge separation capability ...
Yunzhu Zang, Jiali Ren, Yanjun Xue, Jian Tian   +3 more
wiley   +1 more source