Dynamics Difference Between the Reactions of γ-Al 2 O 3 Modified Al Powder and Pure Al Powder with Water
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Bibliographic record
Abstract
Previous results indicated that γ-Al2O3 modified Al powder continuously reacted with water and generated hydrogen under ambient condition, pure Al powder continuously reacted with water at a temperature of > 40°C under a low vacuum. In this work, the dynamics comparison between the reactions of γ-Al2O3 modified Al powder and pure Al powder with water under the same condition, i.e. at 55°C under an initial vacuum of 0.03 bar, was performed. It was found that the reaction dynamics difference between two types of Al powders is just at the initial stage of the reaction. There is an obvious longer induction time for the initiation of the reaction of pure Al powder with water than that of modified Al powder. This difference probably originates from a lower tensile strength of the Al surface passive oxide films in the modified Al powder, leading to a lower critical breakage gas pressure in H2 bubbles at Al:Al2O3 interface.
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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 | 0.000 |
| 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) | 0.000 | 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