Differentiation of Jack Pine from Other Conifers by the Analysis of Color Appearance from Chemical Tests
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Attempts had been made to differentiate jack pine from some common eastern Canadian conifers (balsam fir, tamarack and black spruce) by analyzing the color appearance from three different chemical tests on wood. The tests conducted were based on either the major extractives (ferric chloride test), the pH (bromophenol blue test) or the resin acids (phenol/bromine test). The chemical tests work only on the heartwood; they do not work on sapwood. The results indicated that the measurement of CIE L*, a*, b,* color parameters is a useful and rapid means for differentiating jack pine from other conifers studied. The test results can be obtained in 10-15 min when wood flour is used.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it