Results 61 to 70 of about 2,483,836 (160)
Experimental Study on the Influence of Initial Pressure on Explosion of Methane-coal Dust Mixtures [PDF]
, 2013 Methane-coal dust explosion belongs to chemical explosion which always directly causes fire disasters. When it comes to coal mine, the gas explosion easily leads to extensive burning and forms large area stereo fire finally, due to the big blast power ...
Li, Yuan, Xu, Hongli, Wang, Xishi
core +1 more source
Gong-kuang zidonghua, 2020 In view of problems of rotary drilling technology for soft-fragmentized coal seam, such as shallow borehole completed depth, uncontrollable borehole trajectory, low drilling efficiency and poor gas drainage effect, pneumatic directional drilling ...
KONG Qingjun, CHU Zhiwei
doaj +1 more source
No Place to Hide? Regional Resilience and Vulnerability to Global Catastrophic Risk
Global Challenges, Volume 10, Issue 8, August 2026.No location on Earth withstands every global catastrophe. This review maps the geographic, institutional and infrastructural factors shaping resilience to nuclear, volcanic and impact winters, infrastructure loss and pandemics. Geographic isolation, food self‐sufficiency, strong governance and decentralization improve resilience across scenarios ...
Florian Ulrich Jehn +7 more
wiley +1 more source
Experimental Study on Suppression of Coal Dust Combustion by Inert Medium
Meikuang Anquan, 2020 The study aims to analyze the effect of inert medium on coal combustion and effectively prevent spontaneous combustion of coal dust. Thermal analyzer and gas chromatograph were used to measure changes of quality and concentration of CO and CO2.
GU Gongtian, WANG Fei, WANG Cheng, HAN Jinxin
doaj +1 more source
Dust emission by powder handling: Comparison between numerical analysis and experimental results [PDF]
, 2009 The dust generation occurring during the handling of bulk materials in free falls or at the impact on a stockpile can be a source of danger for the operators health.
Charru, François +5 more
core +1 more source
Batteries From Reused, Recycled, and Surplus Materials
Advanced Sustainable Systems, Volume 10, Issue 7, July 2026.Batteries can become more circular by combining reuse, direct recycling, metallurgical recovery, and material sourcing from industrial surplus streams. This Review highlights how recycled and waste‐derived metals, carbons, polymers, electrolytes, and active materials can be reintegrated into current and emerging batteries, while emphasizing design ...
Jing Yu +16 more
wiley +1 more source
Research on secondary explosion characteristic of coal dust
, 2018 Influence of concentration, particle size and ignition energy of coal dust on secondary explosion characteristic of coal dust were studied by use of 20 L spherical explosion device, and the secondary explosion characteristic of coal dust was compared ...
LIU Zhentang +5 more
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SusMat, Volume 6, Issue 3, June 2026.This review examines large‐scale biochar production technologies and process engineering from an engineering thermochemistry perspective. At the level of thermochemical fundamentals, we discuss thermochemical techniques, pyrolysis mechanisms, and key parameters governing biochar formation.
Dengguo Lai +12 more
wiley +1 more source
Propagation law of gas-coal dust explosion shock waves under different explosion conditions
Gong-kuang zidonghuaTo address the limitations of current experimental and numerical studies on the propagation of gas-coal dust explosion shock waves, which are mostly confined to small-scale laboratory pipelines or local roadways, this study adopted a segmented relay ...
ZHANG Xuebo, WEN Yifan, GAO Jianliang
doaj +1 more source
A Review of the Unintended Consequences of Biochar in Various Applications
Advanced Energy and Sustainability Research, Volume 7, Issue 5, May 2026.Biochar is widely promoted as a sustainable material for applications ranging from soil amendment to energy storage and construction materials. This review critically examines the often‐overlooked and unintended consequences of biochar, including variability in properties, safety risks, and performance limitations.
Singaravelu Vivekanandhan +14 more
wiley +1 more source