{"id":"W4410142036","doi":"10.1139/cjfr-2025-0065","title":"Acoustic velocity at the tree, log, and lumber levels and their relationship with lumber bending properties","year":2025,"lang":"en","type":"article","venue":"Canadian Journal of Forest Research","topic":"Wood Treatment and Properties","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Natural Resources Canada; Canadian Forest Service","funders":"","keywords":"Tree (set theory); Bending; Mathematics; Forestry; Structural engineering; Engineering; Geography; Combinatorics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"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":[0.0003919241,0.0003822212,0.0002508647,0.0004338507,0.0001172306,0.0006577267,0.0001645542,0.00026995,0.001801369],"category_scores_gemma":[0.001625999,0.0001816258,0.000153372,0.0003962434,0.0001564176,0.0004277452,0.0002619,0.0002844667,0.0003536322],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001470615,"about_ca_system_score_gemma":0.0001250118,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001948803,"about_ca_topic_score_gemma":0.003732369,"domain_scores_codex":[0.9998522,0.00003049388,0.00000895827,0.00004793748,0.00003670135,0.00002375017],"domain_scores_gemma":[0.9987844,0.0006605393,0.0002433655,0.00005238795,0.0001487863,0.0001104807],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000232371,0.000084518,0.9480828,0.00003763523,0.00007632776,0.0001370937,0.0002315675,0.002430927,0.0323959,0.0001039109,0.00006526668,0.01612174],"study_design_scores_gemma":[9.978921e-7,0.00007080895,0.995312,0.000003370685,0.00001101223,0.00004578375,0.00008101681,0.00329484,0.0009918282,0.00004919197,0.0001322622,0.000006923396],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9982975,0.00006669147,0.001138222,0.000006950968,0.000002749217,0.000002571719,0.0000839132,0.00001806021,0.0003834615],"genre_scores_gemma":[0.9989152,0.00002997934,0.0004352756,0.000004549108,0.000003562069,0.000003509825,0.0001915532,0.00000655341,0.0004098251],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001948803,"threshold_uncertainty_score":0.006026208,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07527075897065028,"score_gpt":0.2675610700316378,"score_spread":0.1922903110609875,"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."}}