{"id":"W2152272868","doi":"10.1243/146808703322743912","title":"A supercharged heavy-duty diesel single-cylinder research engine for high-pressure direct injection of natural gas","year":2003,"lang":"en","type":"article","venue":"International Journal of Engine Research","topic":"Advanced Combustion Engine Technologies","field":"Chemical Engineering","cited_by":43,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Diesel fuel; Cylinder; Natural gas; Automotive engineering; Diesel engine; Exhaust gas recirculation; Heavy duty; Equivalence ratio; Environmental science; Engineering; Internal combustion engine; Mechanical engineering; Waste management; Combustion; 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":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch"],"consensus_categories":[],"category_scores_codex":[0.003454755,0.0002187292,0.0004334975,0.001758507,0.0001061748,0.00005122782,0.0009943946,0.000212509,0.0001156829],"category_scores_gemma":[0.01490869,0.0001959658,0.0002052593,0.0009426764,0.0002234445,0.0004148054,0.0001782603,0.002016466,0.000007141234],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005030264,"about_ca_system_score_gemma":0.0001569785,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002601438,"about_ca_topic_score_gemma":0.000004124774,"domain_scores_codex":[0.9959281,0.0002283736,0.0007795403,0.0002985065,0.002097096,0.0006683819],"domain_scores_gemma":[0.9913201,0.002257767,0.00015904,0.0003297423,0.005798856,0.0001344647],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.001634371,0.0009977999,0.000330661,0.0003133575,0.001396688,0.00008766247,0.0004879045,0.399617,0.5292577,0.042656,0.005912105,0.01730874],"study_design_scores_gemma":[0.003371787,0.001158473,0.0002045989,0.0004878847,0.00003825041,0.0002854526,0.0007163652,0.05325739,0.9082572,0.01319395,0.01863418,0.000394408],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6501173,0.009915687,0.322865,0.006540728,0.005207315,0.00152213,0.0001988075,0.0005040937,0.003128947],"genre_scores_gemma":[0.9836937,0.0002260793,0.01467211,0.000007007373,0.0004866378,0.0000391506,0.00001424387,0.00006001279,0.0008011232],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3789996,"threshold_uncertainty_score":0.9933891,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08854816113379925,"score_gpt":0.3912002995401888,"score_spread":0.3026521384063895,"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."}}