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Record W2356468393

Studies on resource management problem of Sanjiang plain groundwater

2006· article· en· W2356468393 on OpenAlexaff
Dan Xu

Bibliographic record

VenueDongbei Nongye Daxue xuebao · 2006
Typearticle
Languageen
FieldEngineering
TopicGeoscience and Mining Technology
Canadian institutionsScience North
Fundersnot available
KeywordsGroundwaterConstraint (computer-aided design)Sanjiang PlainDifferential equationWater resourcesEnvironmental scienceHydrology (agriculture)Computer scienceSoil scienceApplied mathematicsMathematicsGeologyGeotechnical engineeringMathematical analysisEcologyWetland
DOInot available

Abstract

fetched live from OpenAlex

This article establishes ground water flows differential equation mathematical model of Sanjiang plain in the hydrology theory foundation,and uses the analysis finite element method to liner change the differential equation into the large-scale system of linear equations.It tooks linear equations as a part of constraint conditions of the optimized model,carries on the ground water flow status equation and the optimized model the coupling,and carries on the solution with the Lingo software.The result indicated that this local shallow layer ground water resources are rich and have the big development potential.But recent years water resources disposition was unreasonable and ground water mining quantity was oversized,these caused the region water flux to assume the drop tendency.

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: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.022
Threshold uncertainty score0.044

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0010.001
Scholarly communication0.0010.002
Open science0.0010.001
Research integrity0.0010.000
Insufficient payload (model declined to judge)0.0020.000

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 head0.011
GPT teacher head0.218
Teacher spread0.208 · 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 designObservational
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
Published2006
Admission routes1
Has abstractyes

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