@article{hammura, title = {Physically Informed Multi-Magnification Learning for Scalable, Non-Destructive Assessment of Polypropylene Degradation in Recycled Materials}, author = {Kazuki Hammura, Kiyotaka Hitomi, Kenji Nagata, Masanobu Naito}, publisher = {American Chemical Society (ACS)}, year = {2026}, keywords = {polypropylene, optical micrographs} }