{"id":"W2108586734","doi":"10.1023/a:1010621618652","title":"Testing a new small-volume technique for determining 234Th in seawater","year":2001,"lang":"en","type":"article","venue":"Journal of Radioanalytical and Nuclear Chemistry","topic":"Marine and coastal ecosystems","field":"Earth and Planetary Sciences","cited_by":132,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia","funders":"","keywords":"Thorium; Uranium; Radionuclide; Seawater; Radiochemistry; Environmental science; Particulates; Environmental chemistry; Sampling (signal processing); Mineralogy; Chemistry; Oceanography; Geology; Materials science; Physics; Nuclear physics; Metallurgy","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002342842,0.0007232099,0.0005257083,0.0006847356,0.0007365061,0.0008234382,0.001627114,0.001781297,0.001750075],"category_scores_gemma":[0.004242161,0.0006836056,0.0005517001,0.0003975976,0.0009764992,0.001479981,0.001097093,0.001091565,0.0009283004],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003680828,"about_ca_system_score_gemma":0.0009330453,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001692227,"about_ca_topic_score_gemma":0.003444505,"domain_scores_codex":[0.9980749,0.000308278,0.000118995,0.0005364213,0.0008484889,0.000113011],"domain_scores_gemma":[0.9957477,0.002578972,0.0002716078,0.0003240879,0.0008549086,0.0002226908],"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":[0.000276667,0.00008920166,0.001481567,0.00007936961,0.00002023224,0.00004124488,0.00009546569,0.0000694643,0.990877,0.00006383466,0.00005682133,0.006849231],"study_design_scores_gemma":[0.00006729462,0.002815038,0.003388342,0.00001323388,0.0001202749,0.0007377678,0.0001720242,0.00318961,0.9860627,0.0001156696,0.003278834,0.00003936826],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7478137,0.001633119,0.2448731,0.0006841171,0.0004942367,0.0007350159,0.0004234606,0.001144143,0.002199195],"genre_scores_gemma":[0.5981163,0.001754083,0.3884213,0.0007098986,0.0002397595,0.0005514772,0.0008698356,0.0003931453,0.008944234],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002342842,"threshold_uncertainty_score":0.01239026,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01947044507248848,"score_gpt":0.2032363135594375,"score_spread":0.183765868486949,"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."}}