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Record W2339401086 · doi:10.14288/1.0103139

Comparisons of heat treated wood to chemically treated and untreated wood in commercial usages

2013· article· en· W2339401086 on OpenAlexaff
Albert Chen

Bibliographic record

VenuecIRcle (University of British Columbia) · 2013
Typearticle
Languageen
FieldEngineering
TopicWood Treatment and Properties
Canadian institutionsUniversity of British Columbia
Fundersnot available
KeywordsPulp and paper industryFood scienceEnvironmental scienceChemistryEngineering

Abstract

fetched live from OpenAlex

Methods of heat treating wood for improved properties have been studied and developed for a long time. However, it was not until recently that heat treated wood has started being commercialized and sold on the market. The attention towards heat treated wood is caused mostly by public and legal demand for a more environmentally safe method of wood protection. Currently, most methods of preserving wood are done by chemical treatment using many kinds of chemicals, but the chemicals can cause harmful effects to humans and to the environment. Heat treating methods do not apply any chemicals within its process and can be considered to be environmentally safe. Many consumers who buy wood products are still unfamiliar with the qualities of heat treated wood and should know the differences it has before deciding what to use in their projects. The main points a consumer would be concerned with in determining whether to use heat treated wood is in its durability, physical mechanical properties, environmental impact, and economic feasibility. In general, heat treated wood is good green material against decay and has high dimensional stability, but certain strength properties are lacking. Therefore, for commercial usages such as flooring and decking, heat treated wood is superior to other wood alternatives. In this essay I will compare the advantages and disadvantages that heat treated wood has over chemically treated and untreated lumber when used in most timber structure applications common to normal homeowners.

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 machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.006
Threshold uncertainty score0.017

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0020.002
Science and technology studies0.0010.001
Scholarly communication0.0010.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0050.001

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 head0.010
GPT teacher head0.164
Teacher spread0.154 · 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 source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
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

Citations0
Published2013
Admission routes1
Has abstractyes

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