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Record W3020994557 · doi:10.13031/aea.32.11703

Detailed Design of Respiratory Chamber that Provides Highly Accurate Measurements of Enteric Methane Emissions

2016· article· en· W3020994557 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

fundA Canadian funder is recorded on the work.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueApplied Engineering in Agriculture · 2016
Typearticle
Languageen
FieldChemical Engineering
TopicOdor and Emission Control Technologies
Canadian institutionsnot available
FundersCanadian Dairy CommissionAmerican Society of Clinical Oncology
KeywordsMethaneGreenhouse gasMethane emissionsCarbon footprintManureEnvironmental scienceManure managementIsotopologueCarbon dioxideEnvironmental engineeringChemistryAnimal scienceAgronomyBiologyEcology

Abstract

fetched live from OpenAlex

<abstract> <b><i>Abstract. </i></b> Quantification of enteric methane emissions from dairy cows has become an important issue for the dairy industry in order to precisely establish the carbon footprint of dairy products. Enteric and manure methane emission and feed production are the main GHG emissions sources of the dairy supply chains. Diet amendment has the potential to reduce enteric methane emission. In order to assess the enteric methane emission levels for standard and improved diets, researchers need accurate measurement methods. This research and development project proposed a concept of respiratory chamber to measure enteric methane emissions from dairy cows. The accuracy of the system was determined to be ±3% over a range of 0 to 50 g CH<sub>4</sub> h<sup>-1</sup>. Given the frequency of measurements over 24 h, the observed error in daily methane emissions represents less than ±1% of a cows average emissions. This level of accuracy makes it possible to conduct experiments and quantitatively assess the impact of improved feeding practices on enteric methane emissions.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.147
Threshold uncertainty score0.556

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.038
GPT teacher head0.230
Teacher spread0.193 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it