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Record W1500506963

Synchrotron radiation analysis of a smelter impacted tree-ring sample

2001· article· en· W1500506963 on OpenAlexvenueno aff
S. J. Naftel, Ronald R. Martin, Kristin Jones, Hongqing Feng, Martine M. Savard, Christian Bégin

Bibliographic record

VenueCanadian journal of analytical sciences and spectroscopy · 2001
Typearticle
Languageen
FieldEnvironmental Science
TopicForest ecology and management
Canadian institutionsnot available
Fundersnot available
KeywordsPhysicsGeologyHumanitiesForestryArtGeography
DOInot available

Abstract

fetched live from OpenAlex

La dendroanalyse, i.e. l'etude de la distribution d'elements dans les anneaux d'arbre, requier un grand nombre d'analyses pour caracteriser leur distribution radiale d'elements dans un tronc d'arbre en une periode de temps raisonnable. La fluorescence a micro rayon-X par synchrotron est une approche prometteuse puisqu'elle est capable de balyer des sections de tronc correspondant a de l'ordre de 100 ans de croissance en un temps raisonnable. Les resultats de fluorescence a micro rayon-X par synchrotron presentes ici, qui sont representatifs de croissance d'arbre entre 1895 et 1997, furent obtenus d'une epinette noire (Picea mariana) exposee a des polluants atomospheriques de metaux transportes par l'air en provenance d'une raffinerie de cuivre.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.066
Threshold uncertainty score0.998

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0030.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.010
GPT teacher head0.254
Teacher spread0.245 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations3
Published2001
Admission routes1
Has abstractyes

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