Volume 69, Issue 4, April 2021
Published:
2021-05-13
Discussion-Opinion-Editorial
Industry Directions
Articles
-
Assessment of the impact of US Energy Policy on world oil prices
Keywords:
Renewable energy sources, traditional energy, oil and gas industry, CO2 emissions, export/import of energy resources, US Energy PolicyDOI:
https://doi.org/10.18311/jmmf/2021/27798 -
Research on determining reasonable negative pressure based on the control of the goaf
Keywords:
Gas-drainage, spontaneous combustion in goaf, regression analysis, negative pressureDOI:
https://doi.org/10.18311/jmmf/2021/27799 -
Research on preparation of chrome tin purple red pigment by using eggshell
Keywords:
Eggshell, Cr-Ca-Sn-Si purple red pigments, solid-phase methodDOI:
https://doi.org/10.18311/jmmf/2021/27800 -
Research on solar water heating system based on TRNSYS simulation optimization
Keywords:
TRNSYS platform, solar fraction, system efficiency, heat collector area, water tank volumeDOI:
https://doi.org/10.18311/jmmf/2021/27801