{"id":"W4409576689","doi":"10.1016/b978-0-44-313219-3.00028-9","title":"Hydrogen production: Sonic methods","year":2025,"lang":"en","type":"book-chapter","venue":"Elsevier eBooks","topic":"Spacecraft and Cryogenic Technologies","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Ontario Tech University","funders":"","keywords":"Production (economics); Hydrogen production; Environmental science; Hydrogen; Physics; Economics","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0001948859,0.0004575965,0.0005075745,0.0002501709,0.00006786754,0.00002396583,0.0003863146,0.0006077075,0.0001919633],"category_scores_gemma":[0.00002962282,0.0004599972,0.0002641953,0.0000283828,0.0001105306,0.00002906637,0.0001423629,0.0006663631,0.0001569685],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001525131,"about_ca_system_score_gemma":0.00006647196,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":9.542119e-8,"about_ca_topic_score_gemma":0.000007429286,"domain_scores_codex":[0.9987863,0.00001199045,0.0003239256,0.0004087375,0.0001596289,0.0003094354],"domain_scores_gemma":[0.9989465,0.00003245238,0.00005995061,0.0008678855,0.00004329787,0.00004983709],"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":[0.000001780378,0.000001222124,4.923717e-7,0.0001348226,0.0002606844,0.000008474207,0.00003720838,0.00001832258,0.0004599929,0.004105274,0.002555478,0.9924163],"study_design_scores_gemma":[0.00006715983,0.00001325835,7.626708e-7,0.0002297751,0.0001594271,0.00001830417,0.00001034268,0.00004532986,0.00877642,0.01989787,0.9703526,0.000428751],"study_design_candidate":"design_other","study_design_consensus":null,"genre_codex":"other","genre_gemma":"other","genre_scores_codex":[0.0000207362,0.01533896,0.0001016965,0.0001215497,0.001330529,0.0004025129,0.0000100662,0.002025141,0.9806488],"genre_scores_gemma":[0.0001417215,0.0007418194,0.005942611,0.00003640246,0.0003237792,0.00008986048,0.000008952762,0.0001047768,0.9926101],"genre_candidate":"other","genre_consensus":"other","teacher_disagreement_score":0.9919875,"threshold_uncertainty_score":0.9997852,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01385171752853775,"score_gpt":0.2558490132805783,"score_spread":0.2419972957520405,"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."}}