{"id":"W2170520680","doi":"10.1016/j.ssnmr.2007.10.002","title":"A multiple-field 23Na NMR study of sodium species in porous carbons","year":2007,"lang":"en","type":"article","venue":"Solid State Nuclear Magnetic Resonance","topic":"Advanced NMR Techniques and Applications","field":"Chemistry","cited_by":18,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"Biotechnology and Biological Sciences Research Council; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; Engineering and Physical Sciences Research Council; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Natural Sciences and Engineering Research Council of Canada; University of Warwick","keywords":"Chemistry; Spectral line; Magic angle spinning; Analytical Chemistry (journal); Quadrupole; Solid-state nuclear magnetic resonance; NMR spectra database; Excitation; Magnetic field; Magic angle; Ion; Nuclear magnetic resonance; Nuclear magnetic resonance spectroscopy; Atomic physics; Stereochemistry; Organic chemistry; Physics","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001420622,0.0001800673,0.0002805692,0.00008890855,0.00006872127,0.0000158174,0.000323736,0.00008602534,0.000241916],"category_scores_gemma":[0.00007691087,0.0001891623,0.00004724526,0.0003031946,0.0001034254,0.00004547472,0.0001190114,0.0002927274,0.0000115407],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006011082,"about_ca_system_score_gemma":0.00001880574,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004104319,"about_ca_topic_score_gemma":0.001005505,"domain_scores_codex":[0.9984989,0.00001226354,0.0005220273,0.0003601532,0.0002141014,0.0003925971],"domain_scores_gemma":[0.9990329,0.0001471128,0.0001303442,0.000569162,0.00005862984,0.00006184359],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"not_applicable","study_design_scores_codex":[0.001801448,0.00573189,0.12042,0.0003701529,0.00004613227,0.0004207105,0.01624933,0.0003558192,0.4308394,0.004740678,0.003633263,0.4153911],"study_design_scores_gemma":[0.008513518,0.002084801,0.3632853,0.0004763688,0.00007018073,0.00003097114,0.02311505,0.004979388,0.09797464,0.008343065,0.4894674,0.001659319],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9700422,0.0007860913,0.0001396768,0.00009740966,0.00001431314,0.0003052237,0.00001845902,0.0001162179,0.02848042],"genre_scores_gemma":[0.9951701,0.0002848882,0.001712282,0.00007844337,0.00002925565,0.00003368942,0.000002055787,0.00004416568,0.00264509],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4858342,"threshold_uncertainty_score":0.7713816,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01278700631515463,"score_gpt":0.2722424907081197,"score_spread":0.2594554843929651,"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."}}