{"id":"W3102524275","doi":"10.1155/2020/8849444","title":"Research on the Pore Evolution of Sandstone in Cold Regions under Freeze-Thaw Weathering Cycles Based on NMR","year":2020,"lang":"en","type":"article","venue":"Geofluids","topic":"Climate change and permafrost","field":"Earth and Planetary Sciences","cited_by":26,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"Fundamental Research Funds for the Central Universities; Central South University; Natural Science Foundation of Hainan Province; National Natural Science Foundation of China","keywords":"Porosity; Weathering; Geology; Mineralogy; Materials science; Geomorphology; Geotechnical engineering","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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0005445904,0.00008899305,0.0001195077,0.0001095487,0.0001565112,0.00002364637,0.0002086713,0.00006610466,0.00247836],"category_scores_gemma":[0.00004774764,0.00006166434,0.00004358116,0.0005168736,0.000119829,0.00004929237,0.00001566304,0.0002525927,0.0001503964],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001275964,"about_ca_system_score_gemma":0.00005020148,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009091648,"about_ca_topic_score_gemma":0.01222125,"domain_scores_codex":[0.9988388,0.000154059,0.0001481445,0.0002005073,0.000365621,0.0002928875],"domain_scores_gemma":[0.9991835,0.0004625355,0.00002516239,0.0002165369,0.00003208987,0.0000801931],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005461574,0.0001214811,0.9171259,0.00008890582,0.00001692336,0.00005300592,0.002228196,0.0248551,0.01255099,0.00850838,0.03293683,0.0009681135],"study_design_scores_gemma":[0.0005334367,0.0006736199,0.961257,0.0001757726,0.000006192015,0.000001621275,0.004565883,0.02648476,0.001904926,0.0008691104,0.003357013,0.0001706788],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9748887,0.0004858872,0.00005539443,0.01210669,0.00006483364,0.0002141635,0.000597744,0.00002122236,0.01156531],"genre_scores_gemma":[0.9985952,0.00007597906,0.000007961397,0.0009464841,0.0001153633,0.000002850849,0.0001854561,0.00000446587,0.00006624361],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04413107,"threshold_uncertainty_score":0.9984335,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1409035454721252,"score_gpt":0.3064628681241308,"score_spread":0.1655593226520056,"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."}}