{"id":"W1987238418","doi":"10.1016/j.physleta.2012.05.045","title":"Classification of the nonlinear dynamics and bifurcation structure of ultrasound contrast agents excited at higher multiples of their resonance frequency","year":2012,"lang":"en","type":"article","venue":"Physics Letters A","topic":"Ultrasound and Hyperthermia Applications","field":"Engineering","cited_by":65,"is_retracted":false,"has_abstract":false,"ca_institutions":"Toronto Metropolitan University","funders":"University of Chinese Academy of Sciences; Canadian Institutes of Health Research; Terry Fox Foundation","keywords":"Bifurcation; Physics; Excited state; Resonance (particle physics); Saddle-node bifurcation; Attractor; Nonlinear system; Contrast (vision); Natural frequency; Mechanics; Atomic physics; Vibration; Mathematical analysis; Acoustics; Quantum mechanics; Mathematics; Optics","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0001609534,0.0001677373,0.0001638098,0.001769939,0.0004081799,0.0004718765,0.0002103413,0.000358273,0.001874169],"category_scores_gemma":[0.0005973798,0.0001564115,0.000193859,0.0002849172,0.0003155596,0.000361183,0.0001781819,0.0002611928,0.0003224436],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003405981,"about_ca_system_score_gemma":0.0001872694,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003282596,"about_ca_topic_score_gemma":0.000359324,"domain_scores_codex":[0.9999367,0.000008729551,0.0000060195,0.00001421492,0.00001992487,0.00001448104],"domain_scores_gemma":[0.9996221,0.0001086079,0.0001040706,0.0000364127,0.00007564766,0.00005311195],"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":[0.0004756897,0.0002573152,0.02635431,0.0001123343,0.0000339088,0.0002916236,0.0002909605,0.009045597,0.8878512,0.02544581,0.0007667398,0.04907453],"study_design_scores_gemma":[0.00008846435,0.0005607957,0.1277513,0.00006297806,0.000085154,0.001464208,0.0004078214,0.5728977,0.2643883,0.02724111,0.004968422,0.00008376516],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9813886,0.0002940628,0.01338897,0.0001255097,0.00001401987,0.00003609737,0.0001129433,0.00005815066,0.004581694],"genre_scores_gemma":[0.9905416,0.0001886329,0.007401453,0.00002162707,0.00001368474,0.00003911132,0.0003067511,0.00001657345,0.001470463],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001874169,"threshold_uncertainty_score":0.006269753,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01252270713510622,"score_gpt":0.2067399709767365,"score_spread":0.1942172638416303,"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."}}