{"id":"W4407257921","doi":"10.1016/b978-0-443-24042-3.00002-3","title":"Common hydrogen feedstock and production pathways","year":2025,"lang":"en","type":"book-chapter","venue":"Elsevier eBooks","topic":"Hybrid Renewable Energy Systems","field":"Energy","cited_by":2,"is_retracted":false,"has_abstract":false,"ca_institutions":"Memorial University of Newfoundland","funders":"","keywords":"Raw material; Production (economics); Hydrogen production; Hydrogen; Chemistry; Economics; Organic chemistry","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":[0.0001308374,0.0009583991,0.0004231849,0.001113084,0.0005862421,0.001860978,0.0007362703,0.0007058477,0.04493279],"category_scores_gemma":[0.000139128,0.0003866597,0.0003842939,0.002813434,0.0005653829,0.00252914,0.001091914,0.001097979,0.01496509],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001204181,"about_ca_system_score_gemma":0.0007448005,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001567633,"about_ca_topic_score_gemma":0.004162839,"domain_scores_codex":[0.9998789,0.000006174651,0.000005407825,0.00002820728,0.00006593496,0.00001540325],"domain_scores_gemma":[0.9999708,0.000006577581,0.000002135228,0.000007075955,0.000009083226,0.000004331867],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0001012375,0.0001237727,0.0001202912,0.001231402,0.00001928638,0.000292237,0.000220332,0.0027579,0.02919007,0.2909648,0.06190099,0.6130777],"study_design_scores_gemma":[0.000003895335,0.00003455883,0.0001366684,0.0001671526,0.000005093074,0.0002198312,0.00007470996,0.0005407705,0.00832303,0.04404888,0.9464369,0.000008570062],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"other","genre_gemma":"other","genre_scores_codex":[0.006677628,0.03998998,0.02725675,0.0007044686,0.001426733,0.0001175565,0.0009534559,0.0003822135,0.9224911],"genre_scores_gemma":[0.02256644,0.05149561,0.01524267,0.0002851861,0.0002419002,0.00008653691,0.001147315,0.0002515949,0.9086827],"genre_candidate":"other","genre_consensus":"other","teacher_disagreement_score":0.04493279,"threshold_uncertainty_score":0.1503151,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01394750509497974,"score_gpt":0.2118706575586185,"score_spread":0.1979231524636388,"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."}}