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Green Hydrogen and related policies

2023
To face the pollution and global warming issues a shift towards renewable energy technologies is currently running in the world energy mix. Renewable energy in 2016 accounted for less than 15% of produced electricity, nowadays it represents 28% of the world's electricity production and 13.8% of the global energy consumption. The progressive increase of
openaire   +2 more sources

Congruences on abundant semigroups associated with Green’s *-relations

Periodica Mathematica Hungarica, 2016
Xiaojiang Guo, Guo Xiaojiang
exaly  

On (*, ∼)-Green's Relations and Ortho-lc-Monoids

Communications in Algebra, 2010
Y Q Guo, K P Shum
exaly  

Congruences on abundant semigroups associated with Green’s *-relations

Periodica Mathematica Hungarica, 2017
Xiaojiang Guo, A. Liu
semanticscholar   +1 more source

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