Analysis of Kinetics Control on Leaching Rare Earth from Weathered with Hydrochloric Acid
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Bibliographic record
Abstract
The leaching kinetics of rare earth from weathered mud located in Southwestern China was studied. Solution of rare earth chloride was obtained after leaching the weathered mud with hydrochloric acid under heating and agitation. The rare earth was then extracted by precipitation using oxalic acid. An empirical equation relating to the rare earth leaching rate constant with feed -particle size and leaching temperature was established as k=(760+0.64 1/r_o~2)(exp(-10500/RT)). It was found that the leaching process is controlled by an inner diffusion. A higher recovery of rare earth was obtained by a higher leaching temperature and/or a smaller particle size.
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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) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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) | 0.001 | 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