This paper focuses on environmental engineering and the reduction of organic matter in sewage sludge.
While the full paper is larger, specific supplemental data or summaries (like MD-265 profiles) are often shared in this size range. (265 KB)
If you were referring to a different "solid" topic (like solid-state batteries or solid-phase extraction), these frequently cited papers often appear in searches with high-resolution "Graphical Abstract" downloads around that same size (265 KB): This paper focuses on environmental engineering and the
The study uses impedance spectroscopy to analyze how fluorine vacancies migrate across grain boundaries in tysonite-type structures. (265 KB)