“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Chemical Engineering8Chemistry8Energy7Environmental Science7Materials Science7Science: Chemistry1Social Sciences: Industries. Land use. Labor: Special industries and trades: Chemical industries1Technology: Chemical technology: Chemical engineering1