High-Temperature Conductivity Measurements for Industrial Applications. 1. A New Cell
Bibliographic record
Abstract
A novel conductivity cell, suitable for high-temperature industrial applications, was developed. The cell body was made of Pyrex glass, and the electrodes were made of pure platinum. It was mounted in a 2 L titanium pressure vessel. The effects of the platinization of the electrodes and the level of conductance on the cell constant were extensively studied. It was found that the cell with the platinized electrodes has a very stable cell constant at 19.97 ± 0.06 cm -1, for conductivity levels ranging from 1000 to 100 000 μS/cm. The change in the cell constant when the temperature changes from 25 to 250 °C is less than 0.1%. The cell is operable at the equilibrium vapor pressure from low to high acidities. To assess the overall performance of the new cell, the conductivities of 0.05 m H 2 SO 4 solutions at temperatures from 15 to 250 °C were measured. These measurements were in excellent agreement with literature values with a difference of less than 1%.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.002 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".