{"id":"W3150256819","doi":"10.1080/15567036.2021.1909674","title":"Working mechanism and rock-breaking performance study of new core drill bit with negative pressure absorption effect","year":2021,"lang":"en","type":"article","venue":"Energy Sources Part A Recovery Utilization and Environmental Effects","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Regina","funders":"National Science and Technology Major Project; National Natural Science Foundation of China","keywords":"Drilling; Rate of penetration; Drill bit; Drill; Bit (key); Drill pipe; Petroleum engineering; Energy consumption; Power (physics); Power consumption; Nozzle; Materials science; Mechanical engineering; Geology; Engineering; Computer science; Electrical engineering; Physics","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":[],"consensus_categories":[],"category_scores_codex":[0.00006222546,0.0002068443,0.0002339807,0.00006248472,0.00008597362,0.00003259504,0.0000345289,0.00007180752,0.0000128752],"category_scores_gemma":[0.000007151933,0.0001918229,0.00002299096,0.0001185171,0.00001367485,0.0001376074,0.0000391257,0.00008365958,7.87873e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002298975,"about_ca_system_score_gemma":0.000003797393,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001723737,"about_ca_topic_score_gemma":0.00002249553,"domain_scores_codex":[0.9992665,0.00003821112,0.0001484139,0.000235061,0.000152851,0.0001589587],"domain_scores_gemma":[0.9996579,0.00009376723,0.0000503202,0.0001161069,0.000003275122,0.00007859308],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00005146774,0.00004687556,0.01741584,0.0002049662,0.0001710131,0.000007382423,0.001333103,0.9550839,0.00388556,0.00003467102,0.00001191404,0.02175327],"study_design_scores_gemma":[0.001829382,0.0009218933,0.01064931,0.0005648356,0.0001901766,0.00003486857,0.0004501652,0.9101423,0.07251906,0.00003589872,0.002257479,0.0004046088],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.984979,0.001564182,0.01290118,0.000001008881,0.0001897011,0.0001401785,0.00000171509,0.00008377988,0.0001392168],"genre_scores_gemma":[0.9983879,0.001080644,0.00007644697,0.00001066553,0.00005716144,0.00001751211,0.00002980015,0.00003911103,0.0003007223],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0686335,"threshold_uncertainty_score":0.7822313,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008197005515275359,"score_gpt":0.171345429095882,"score_spread":0.1631484235806067,"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."}}