{"id":"W2191702662","doi":"10.1016/j.ces.2015.10.018","title":"Observation of iron ore beneficiation within a spiral concentrator by positron emission particle tracking of large (Ø=1440 μm) and small (Ø=58 μm) hematite and quartz tracers","year":2015,"lang":"en","type":"article","venue":"Chemical Engineering Science","topic":"Mineral Processing and Grinding","field":"Engineering","cited_by":30,"is_retracted":false,"has_abstract":false,"ca_institutions":"McGill University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Hematite; Quartz; Mineralogy; Cyclotron; Materials science; Gravity separation; Concentrator; Particle (ecology); Tracking (education); Slurry; Settling; Chemistry; Physics; Optics; Nuclear physics; Metallurgy; Composite material; Geology; Electron; Thermodynamics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003439301,0.0001129225,0.0001615726,0.00004035055,0.00003191291,0.0000346056,0.00008964419,0.00006110187,8.522249e-7],"category_scores_gemma":[0.0001926396,0.000109146,0.00001424619,0.0002837265,0.00005929116,0.0003003903,0.00002239828,0.000102196,1.544126e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005875553,"about_ca_system_score_gemma":0.00002161604,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000006650193,"about_ca_topic_score_gemma":3.580377e-7,"domain_scores_codex":[0.9991398,0.000003750445,0.0002579501,0.0001719072,0.0002055802,0.0002209465],"domain_scores_gemma":[0.9996126,0.00002934485,0.00006570735,0.00008291576,0.00006178444,0.0001476922],"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":[0.00000534464,0.00001269649,0.002874913,0.000245566,0.000002323232,2.120643e-7,0.001299302,0.01735289,0.9776361,0.0001389131,0.0000117415,0.0004200044],"study_design_scores_gemma":[0.0002237816,0.00002214118,0.001091886,0.0001379449,0.00000654805,0.00000178124,0.00009407652,0.4006957,0.5976247,0.00001033281,0.000005815775,0.00008522919],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9966009,0.0006155274,0.002552355,0.00001823301,0.00006082861,0.000064908,0.000005464921,0.00006569042,0.00001612677],"genre_scores_gemma":[0.9972801,0.000005307326,0.002665827,0.000005541052,0.00001881684,0.000002494901,0.000004222466,0.00001176793,0.000005908185],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3833429,"threshold_uncertainty_score":0.4450844,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01784275928172877,"score_gpt":0.2236227379900094,"score_spread":0.2057799787082807,"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."}}