MétaCan
Menu
Back to cohort
Record W2141931438 · doi:10.1139/l07-121

Le biodiesel. I. Caractéristiques, atouts et limites — une synthèse

2008· article· en· W2141931438 on OpenAlexaffvenue
Josiane Nikiema, Michèle Heitz

Bibliographic record

VenueCanadian Journal of Civil Engineering · 2008
Typearticle
Languageen
FieldEngineering
TopicBiodiesel Production and Applications
Canadian institutionsUniversité de Sherbrooke
Fundersnot available
KeywordsBiodieselDiesel fuelEnvironmental scienceCombustionBiofuelWaste managementRaw materialFossil fuelVegetable oilPulp and paper industryEngineeringChemistryFood scienceOrganic chemistry

Abstract

fetched live from OpenAlex

Biodiesel, a fuel derived from animal or vegetable oil and fats, is presented in this paper. More specifically, its physico-chemical properties as well as the raw materials and existing standards are described. The advantages, limitations, and future of biodiesel are discussed. Biodiesel offers significant environmental advantages over petrodiesel: its combustion produces fewer atmospheric emissions of pollutants and greenhouse gases; in addition, it biodegrades easily and does not present a major risk during storage. On the other hand, the substitution of biodiesel for petrodiesel usually causes an increase in fuel consumption by engines. In addition, according to various estimates, the price of biodiesel is higher than that of petrodiesel. Nevertheless, biodiesel is easy to produce and, with the anticipated decline in stocks of fossil fuels, it constitutes an interesting substitute that should become increasingly used in the next decade.

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.

How this classification was reachedexpand

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: Not applicable · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.728
Threshold uncertainty score0.980

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 head0.012
GPT teacher head0.186
Teacher spread0.173 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designNot applicable
Domainnot available
GenreEmpirical

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".

Quick stats

Citations5
Published2008
Admission routes2
Has abstractyes

Explore more

Same venueCanadian Journal of Civil EngineeringSame topicBiodiesel Production and ApplicationsFrench-language works237,207