Results 51 to 60 of about 2,817 (247)

Furfuryl Alcohol‐Driven Proton Supply Enables Efficient Photocatalytic H2O2 Production Beyond Water‐Based Systems

Advanced Science, EarlyView.
A ZnIn2S4–carbon dot heterojunction enables photocatalytic H2O2 production coupled with furfuryl alcohol oxidation. In this redox system, furfuryl alcohol acts as both the electron donor and oxidation substrate, producing furoic acid with 100% selectivity and 98% conversion while supporting efficient H2O2 generation with a solar‐to‐chemical conversion (
Pengfei Bai, Ning Li, Quan Zhou, Bin Liu, Xiangqian Fan, Lei Liu, Jingkai Lin, Weijie Ren, Shengliang Hu, Huayang Zhang   +9 more
wiley   +1 more source

Design of novel intrinsically safe power supply with 'ia' grade

Gong-kuang zidonghua, 2017
According to working condition of mine-used power supply in coal mine underground, novel intrinsically safe power supply with 'ia' grade was designed. The power supply uses a fully enclosed AC-DC module to eliminate special flameproof enclosure, and has ...
YU Zhixue, FANG Xupeng, ZHAO Yang
doaj   +1 more source

Development Trends and Problems of Inspection Technology for Coal Mine Robot

Meikuang Anquan, 2020
The current situation and development trends in our country and abroad are analyzed about the inspection technology for coal mine robot. According to the specific situation of coal mine robot, it is suggested that the inspection technology of combined ...
GUO Changna
doaj   +1 more source

Non‐Noble Metal Nanocatalysts for Hydrogen Evolution

Advanced Science, EarlyView.
Recent overviews and latest developments of diverse classes of non‐noble catalysts for application toward high‐performance photocatalysis, thermocatalytic steam reforming, and electrocatalysis. Toward sustainability objectives, several advanced characterization tools in combination with the latest breakthroughs in machine learning for material ...
Lina Jaya Diguna, Gede Herry Arum Wijaya, Md Abdul Kuddus Sheikh, Tobias Haposan, Fidelis Stefanus Hubertson Simanjuntak, Arramel Arramel, Muhammad Danang Birowosuto, Konstantin Sergeevich Novoselov   +7 more
wiley   +1 more source

Technology for leakage fault prevention and anti-override trip in coal mine intelligent power supply system and its development prospect

Meikuang Anquan
The research on leakage and anti-tripping technology of coal mine power supply system is carried out, involving two parts: high voltage power supply system and low voltage power supply system.
Jianwen ZHAO, Fuyang ZENG, Yuyang ZHAO
doaj   +1 more source

LiFeO4 battery power supply system for mine auxiliary transportation vehicle

Gong-kuang zidonghua, 2016
For problems of short cycle life and high maintenance cost of existing power supply of domestic mine auxiliary transportation vehicle which uses lead-acid batteries as power supply, the paper proposed application of LiFeO4 battery to the mine vehicle ...
XIAO Nan, CHEN Zhongxia, CHANG Long, YU Zhihao, GUO Hai   +4 more
doaj   +1 more source

Deep Learning Network‐Tailored Microenvironment Matching of 4D Bioprinting Bioactive Scaffolds for Bone Regeneration

Advanced Science, EarlyView.
A DLN dataset was built to analyze MABS composition versus in vitro/in vivo osteogenesis and angiogenesis. An MLP neural network, taking BG morphological parameters as input, extracts bioactive features from these datasets. A rabbit tibial defect model then validates 4D‐printed MABS for adaptability and bone regeneration in critical defects.
Xiongjie Liang, Yuechi Zhang, Weifeng Hu, Shiyan Lv, Fan Jia, Yan Zhang, Feng Wu, Changjiang Yang, Guanqi Zhen, Jinglong Yan, Xu Cui, Wei Zhao, Guanghua Chen   +12 more
wiley   +1 more source

Novel cable measurement while drilling device used for directional drilling in coal mine

Gong-kuang zidonghua, 2015
In order to solve problems of short usage time, poor signal stability, high fault ratio and high maintenance cost of existing cable measurement while drilling device for coal mine drilling which was powered by battery in hole, a technology scheme was ...
FANG Jun, SHI Zhijun, LI Quanxin, GAO Jun   +3 more
doaj   +1 more source

Stranded assets and early closures in global coal mining under 1.5∘C

Environmental Research Letters, 2023
With the Glasgow Climate Pact 2021, the global community has committed explicitly to phasing down coal consumption. Yet the coal supply sector continues to develop new capacities, despite the risk of asset stranding.
Christian Hauenstein
doaj   +1 more source

Real‐Time Investigation of Interfacial Evolution in Electrochemical Energy Storage Systems via EQCM

Advanced Science, EarlyView.
Understanding the electrode/electrolyte interface (EEI) is crucial for supercapacitors and batteries. EQCM, by enabling real‐time monitoring of mass changes during charge–discharge cycles, has evolved into a vital method for analysis of EEI. It provides important insights into charge‐storage mechanisms, electrode structural evolution, ion‐transfer ...
Zixuan Wang, Situo Cheng, Guang Feng
wiley   +1 more source