60Co Au@Ag nanoparticles Bayesian optimization algorithm Curcumae Longae Rhizoma DFT GC–IMS HF Korla fragrant pear NIR NMR PAEs Raman SERS detection YOLOv5 acceptability adsorption energy anthocyanidins apple apple grading band energy alignment benchtop NMR bi-layer indicator bruise carbimazole hydrolysate catalase activity chromium contamination common carp convolutional neural network crop disease cultivation