{"id":"W4409451505","doi":"10.1016/b978-0-44-313219-3.00024-1","title":"Hydrogen production","year":2025,"lang":"en","type":"book-chapter","venue":"Elsevier eBooks","topic":"Hybrid Renewable Energy Systems","field":"Energy","cited_by":1,"is_retracted":false,"has_abstract":false,"ca_institutions":"Ontario Tech University","funders":"","keywords":"Hydrogen production; Production (economics); Hydrogen; Business; Economics; Chemistry; Organic chemistry; Microeconomics","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":[0.0001389049,0.000878096,0.0004758133,0.0009421998,0.0007123343,0.001551038,0.0006669152,0.0009864043,0.1358437],"category_scores_gemma":[0.0001504887,0.0004127916,0.0003673319,0.001239777,0.0003568527,0.001547504,0.001227751,0.001160925,0.08149352],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006650853,"about_ca_system_score_gemma":0.0004662701,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001803679,"about_ca_topic_score_gemma":0.003618237,"domain_scores_codex":[0.9998856,0.000004295987,0.000002809358,0.00002693193,0.00006851811,0.00001176238],"domain_scores_gemma":[0.9999647,0.000004866441,0.000001911106,0.000009022161,0.0000136737,0.000005803918],"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":[0.00005736491,0.00007107006,0.0001431104,0.0005120022,0.00001082854,0.0001585599,0.0001372544,0.00092561,0.01993553,0.04647531,0.2096573,0.7219161],"study_design_scores_gemma":[0.000004158593,0.0000184079,0.0002179366,0.00008614517,0.000003813506,0.0001317044,0.00003636595,0.0004192855,0.005110611,0.005852296,0.9881136,0.000005685278],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"other","genre_gemma":"other","genre_scores_codex":[0.001470934,0.01112201,0.008093248,0.0006449793,0.0008591109,0.00004337614,0.0004820283,0.0006132895,0.9766709],"genre_scores_gemma":[0.005442248,0.006323981,0.002013435,0.0001953413,0.00009813163,0.00002671284,0.0004787507,0.0001478195,0.9852738],"genre_candidate":"other","genre_consensus":"other","teacher_disagreement_score":0.1358437,"threshold_uncertainty_score":0.4544425,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01166090111808895,"score_gpt":0.2176542027128054,"score_spread":0.2059933015947165,"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."}}