{"id":"W4413786034","doi":"10.1126/science.adq2840","title":"Secondary organic aerosol in urban China: A distinct chemical regime for air pollution studies","year":2025,"lang":"en","type":"review","venue":"Science","topic":"Atmospheric chemistry and aerosols","field":"Earth and Planetary Sciences","cited_by":36,"is_retracted":false,"has_abstract":true,"ca_institutions":"IONICS Mass Spectrometry (Canada)","funders":"","keywords":"Aerosol; Haze; China; Dominance (genetics); Pollution; Environmental science; Particulates; Air pollution; Earth science; Environmental chemistry; Environmental protection; Chemistry; Meteorology; Geography; Geology; Ecology; Biology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004906268,0.0006464787,0.0008671358,0.001679057,0.0002881773,0.0008216743,0.0004613962,0.0005894512,0.00220476],"category_scores_gemma":[0.0004071236,0.0001533568,0.0006320098,0.00185279,0.0003005745,0.0008918314,0.0005543335,0.0007259512,0.0005936807],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005840156,"about_ca_system_score_gemma":0.001693057,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003295619,"about_ca_topic_score_gemma":0.006119468,"domain_scores_codex":[0.9998865,0.00001757266,0.00001539105,0.00002677881,0.00003990297,0.0000137877],"domain_scores_gemma":[0.9998466,0.00005850552,0.00002138261,0.000005605237,0.00005200107,0.00001593272],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00004989979,0.0000638085,0.001743685,0.04133754,0.0001869312,0.0003578819,0.0002214264,0.0007101636,0.004414972,0.007059676,0.02075856,0.9230954],"study_design_scores_gemma":[0.0000119558,0.000129846,0.005671836,0.005474703,0.0003168872,0.0008882559,0.0001934558,0.0001988189,0.001102004,0.002755897,0.9832253,0.00003087003],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.0004797344,0.9981981,0.0001038433,0.0002254602,0.0001575627,0.000004570887,0.00003045853,0.000004673694,0.0007957348],"genre_scores_gemma":[0.002451131,0.9968113,0.0001181645,0.0001048448,0.0001252996,0.000004442814,0.00003334603,8.220606e-7,0.0003506384],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.003295619,"threshold_uncertainty_score":0.007375598,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02298258840855562,"score_gpt":0.2870893583272554,"score_spread":0.2641067699186997,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}