MétaCan
Menu
Back to cohort
Record W3082191173 · doi:10.1080/08927022.2020.1809658

A ReaxFF molecular dynamics study on the mechanism and the typical pyrolysis gases in the pyrolysis process of Longkou oil shale kerogen

2020· article· en· W3082191173 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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueMolecular Simulation · 2020
Typearticle
Languageen
FieldEngineering
TopicHydrocarbon exploration and reservoir analysis
Canadian institutionsUniversity of Alberta
FundersNatural Science Foundation of Beijing MunicipalityNational Natural Science Foundation of China
KeywordsReaxFFKerogenOil shalePyrolysisShale oil extractionOil shale gasShale oilShell in situ conversion processChemistryPetroleum engineeringChemical engineeringMolecular dynamicsOrganic chemistryGeologySource rockComputational chemistry

Abstract

fetched live from OpenAlex

The combination of Reactive molecular dynamics (RMD) simulations and a reactive force field (ReaxFF) was employed to investigate the chemical mechanisms and product distribution in the process of oil shale kerogen pyrolysis. A large-scale reactive system based on five structural models used in the simulation was constructed according to the analysis results of a series of detection about kerogen extracted from Longkou oil shale to investigate the reaction processes of oil shale. The characteristics observed in the simulation agree well with the known characteristics of the oil shale structure and reactions. The simulation results proved the importance of temperature exert on the product distributions, intermolecular interactions and elementary reactions in the process of pyrolysis. A conclusion was made about the suitable temperature range for producing useful organic gases and the highest yield of shale oil. The detailed chemical reaction process of Longkou oil shale pyrolysis was described in this work as well. This work is an intensive study on the pyrolysis mechanism and the formative path of the typical products especially shale gases at different temperatures at the atomic level and will be of great significance for the development and utilisation of oil shale mineral resources.

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: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.037
Threshold uncertainty score0.373

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
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 head0.013
GPT teacher head0.241
Teacher spread0.228 · 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