Determination of Naturally Occurring Radionuclides Concentration in Environmental Samples in West Kirby Area Using Gamma-Ray Spectroscopy
Bibliographic record
Abstract
The purpose of this work is to investigate and evaluate the level of contamination of naturally occurring radionuclides in environmental soil samples collected at a place from West Kirby using gamma-ray spectroscopy. The Broad Energy Germanium (BEGe2825) detector has the ability to detect gamma-rays in the range of 3 keV-3MeV. This detector offers a very good resolution, low noise performance and almost ideal Gaussian shape in our analysis. Under our depth of interest of 0 – 48 cm, a total of six spectra were measured. From known values of gamma-ray energies, a calibrated curve was plotted. From the analysis, the mean activity concentration of naturally radionuclides of uranium-238, thorium-232 and potassium-40 obtained are 6.7 ± 0.1 Bq/kg, 5.6 ± 0.1Bq/kg and 398.2± 8.2 Bq/kg were found in the range of (5.37 ± 0.30- 8.86 ±0.40) Bq/kg, (4.37 ± 0.31- 8.72 ±0.35) Bq/kg and (384 ± 19 and 416 ± 21) Bq/kg respectively. Man-made radionuclides of americium-241 and cesium-137 mean activity concentrations are 4.3± 0.1 Bq/kg and 14.5 ± 0.3 Bq/kg were found in the range of (BDL: 5.95±0.32) Bq/kg and (6.66 ± 0.35- 29.2 ±1.5) Bq/kg respectively.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".