Results 81 to 90 of about 78,035 (306)
Restoration of the tribotechnical pairs in equipment of mining industry [PDF]
, 2019 Purpose. Substantiation of the possibilities and development of technology for the restoration of the worn-out tribotechnical pairs of mining equipment by methods of hot radial stamping in powder metallurgy using technogenic waste. Methods.
Biloshytska, N +2 more
core +1 more source
Construction of Lean Coal Molecular Structure Model Based on Spectroscopic Characterization
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT The chemical structure of coal exerts a profound influence on its properties and utilization pathways. A comprehensive analysis of coal's molecular structure is crucial for mitigating environmental pollution arising from coal combustion and improving the efficiency of coal utilization.
Song Liu +5 more
wiley +1 more source
Value addition of coal fines and sawdust to briquettes using molasses as a binder
South African Journal of Chemical Engineering, 2018 In this study, the co-briquetting of coal fines saw dust and molasses as a binder is explored as an option for value addition of the wastes generated in the various industries.
M.M. Manyuchi, C. Mbohwa, E. Muzenda
doaj +1 more source
Thermal Calculations for Co‐Firing of Hydrogen/Ammonia and Coal in 660‐MW Coal‐Fired Boilers
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT To achieve a clean energy transition under the dual carbon goals, blending hydrogen/ammonia into pulverized coal boilers represents a key technological pathway. Different hydrogen/ammonia co‐firing ratios (5%–50%) are investigated for their impact on the thermodynamic characteristics of 660‐MW supercritical boiler at 100% and 20% boiler ...
Yaodong Da +7 more
wiley +1 more source
Effect of particle size of coal dust on explosion pressure
Journal of Measurement Science and Instrumentation, 2019 The effect of the particle size of coal dust on explosion pressure and the rising rate of explosion pressure is studied. Three coal dusts from Lingan Coal Mine in Canada and Datong Coal Mine in China are selected to test.
JIAO Feng-yuan +3 more
doaj
Business Strategy and the Environment, EarlyView.ABSTRACT This study investigates how directors with environmental protection (EP) backgrounds influence corporate biodiversity concern (BIO) among Chinese A‐share listed firms from 2008 to 2023. Drawing on Upper Echelons Theory, we argue that directors' environmental expertise shapes firms' biodiversity strategies.
Chengming Huang +2 more
wiley +1 more source
Energies, 2018 Coal dust is one of the most serious issues in coal mines. The miners at an excavation face have a high potential for exposure to high concentrations of coal dust. The main method for removing coal dust is by ventilation.
Xiaofei Liu +4 more
doaj +1 more source
Analysis of pressure difference changes in respirator filters while dusting [PDF]
, 2018 Objective is to determine the relation between pressure difference of a filter and parameters of a filtering layer to lengthen the protection period.
Cheberiachko, Serhii +19 more
core +1 more source
Business Strategy and the Environment, EarlyView.ABSTRACT While industry platforms are widely recognized as enablers of circular innovation, we still know little about how they evolve to scale and sustain innovation as economic conditions tighten and circular economy funding schemes become more selective.
Eva Qi Wang +3 more
wiley +1 more source
Cloud condensation nuclei activity, closure, and droplet growth kinetics of Houston aerosol during the Gulf of Mexico Atmospheric Composition and Climate Study (GoMACCS) [PDF]
, 2009 In situ cloud condensation nuclei (CCN) measurements were obtained in the boundary layer over Houston, Texas, during the 2006 Gulf of Mexico Atmospheric Composition and Climate Study (GoMACCS) campaign onboard the CIRPAS Twin Otter.
Dubey, Manvendra K. +12 more
core +2 more sources