{"id":"W1994549191","doi":"10.1016/j.mineng.2011.01.009","title":"Improving copper flotation recovery from a refractory copper porphyry ore by using ethoxycarbonyl thiourea as a collector","year":2011,"lang":"en","type":"article","venue":"Minerals Engineering","topic":"Minerals Flotation and Separation Techniques","field":"Environmental Science","cited_by":60,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Alberta","funders":"National Science and Technology Planning Project; National Key Research and Development Program of China; National Natural Science Foundation of China","keywords":"Copper; Xanthate; Copper sulfide; Chemistry; Sulfide minerals; Thiourea; Sulfide; Lime; Metallurgy; Copper extraction techniques; Inorganic chemistry; Froth flotation; Nuclear chemistry; Materials science","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":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0001998745,0.0002696028,0.0002409461,0.00009572809,0.00009487103,0.00005760676,0.0001764401,0.0001661357,0.002077781],"category_scores_gemma":[0.0001165179,0.0002734472,0.00007526792,0.0002811444,0.00003481277,0.0005130248,0.00007217988,0.0002002993,0.000139213],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002232736,"about_ca_system_score_gemma":0.00002690406,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004481816,"about_ca_topic_score_gemma":0.00006319247,"domain_scores_codex":[0.9985422,0.00005103168,0.0003874024,0.0004028716,0.0002993152,0.0003171888],"domain_scores_gemma":[0.9993541,0.00006343975,0.0001391454,0.0002659265,0.00002826518,0.0001491712],"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":[0.00002645271,0.00004322559,0.0005972133,0.000007112048,0.00001803606,0.00000706264,0.0008829609,0.002442323,0.9733921,0.00002213764,0.0219719,0.0005894591],"study_design_scores_gemma":[0.001024496,0.0003183091,0.003305074,0.0001063583,0.00008103625,0.00002596306,0.000153113,0.1925113,0.7756825,0.0001376989,0.0252811,0.001372983],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9817094,0.0001678929,0.008373849,0.00003830556,0.0002545924,0.0003083301,0.00003636993,0.0003277769,0.008783437],"genre_scores_gemma":[0.9653432,0.00004033099,0.02955555,0.0005591415,0.0001131959,0.00007125156,0.000101354,0.00007592769,0.004140059],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1977096,"threshold_uncertainty_score":0.9999717,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01851973121285899,"score_gpt":0.2267970000799837,"score_spread":0.2082772688671247,"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."}}