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Pt/Al2O3-TiO2催化剂制备及其对重整抽余油的加氢性能

2011· article· en· W19796811 on OpenAlexfundno aff
郭振莲, 张孔远, 周洋, 刘晨光

Bibliographic record

Venue石油炼制与化工 · 2011
Typearticle
Languageen
FieldMedicine
TopicCytomegalovirus and herpesvirus research
Canadian institutionsnot available
FundersCanadian Institutes of Health Research
KeywordsComputer science

Abstract

fetched live from OpenAlex

制备了不同焙烧温度的Al2O3-TiO2载体,采用浸渍法得到相应的Pt/Al2O3-TiO2催化剂,采用BET,XRD,TPR,TEM及氢氧滴定等方法对所制备的催化剂进行表征,以重整抽余油为原料进行烯烃和芳烃加氢活性评价。结果表明:用于重整抽余油加氢的Pt/Al2O3-TiO2催化剂的优化制备条件为载体焙烧温度900℃、催化剂焙烧温度350℃、催化剂还原温度200℃;该催化剂的加氢活性随着反应温度的升高而提高;在反应温度200℃、反应压力3.0MPa、氢油体积比200:1、体积空速2.Oh^-1的条件下,重整抽余油的烯烃和芳烃转化率均达到100%。

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)0.000
metaresearch head score (Gemma)0.000
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: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.004
Threshold uncertainty score0.012

Distilled classifier scores by category (both heads)

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)0.0040.001

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 head0.112
GPT teacher head0.333
Teacher spread0.222 · 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
Published2011
Admission routes1
Has abstractyes

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