Quality investigations in heat treatment require inspection results to be linked with processing histories, while conventional manufacturing execution systems distribute these records across separate modules. This study develops a read-only language-model interface with product and basket-time linkage and evaluates query execution separately from evidence correctness. A same-model comparison using GPT–OSS 20B covers 48 tasks and 288 attempted executions, with 273 complete responses. Frozen condition-screen counts were similar; asymmetrically reviewed scope corrections are not used as comparative evidence. Independent backend checks identified alarm-count inconsistencies before evidence reached the model. A retrospective, non-blinded review of 41 numerical fallbacks, assisted by artificial intelligence (AI), found six pre-fallback answers supported relative to the saved evidence, 34 containing unsupported or incorrect claims, and one indeterminate. These assessments do not independently validate the enterprise records. Three quality cases illustrate linkage to stage-specific furnace evidence, but incomplete basket coverage leaves the relationship between temperature deviations and hardness nonconformity undetermined. The study separates returned states, answer support, and independently verified facts when evaluating language-model access to manufacturing records.
Low-dimensional materials and functional material systems have become increasingly important across environmental remediation, sustainable materials development, energy conversion, biomedical technologies, catalysis, protective coatings, and nanoelectronics [...]
In this paper, we describe and verify the structures and biological activity of novel metal complexes derived from 5-carboxy-2-thiouracil. We outline a synthesis method and assess the antimicrobial activity of newly formed Cu(II), Ni(II) and Co(II) complexes. Several syntheses were carried out with and without NaOH. The structures were verified using melting point analysis, MP-AES for Cu, Ni and Co and ICP-OES for sulfur, UV-Vis, ATR, solid-state and solution 1H NMR, 13C NMR spectroscopy. In addition, the antimicrobial activity of these complexes and the free ligand were assessed against both Gram-positive and Gram-negative bacteria, as well as yeasts. The HCT-116 colorectal cell line (ATCC) was used for a cytotoxic assay. Only two Ni(II) complexes showed reduction in the number of viable tumor cells. None of the other compounds led to a significant reduction in the number of viable cells, as determined by one-way ANOVA statistical analysis.
The journal retracts the article titled “Machine Learning-Based Approach for Modeling the Nanofluid Flow in a Solar Thermal Panel in the Presence of Phase Change Materials” [...]
Thin interbedded tight sandstone reservoirs in the Chunliang Oilfield are characterized by strong vertical heterogeneity, pronounced interlayer in situ stress interference, and limited vertical hydraulic fracture propagation, which together make the stimulated reservoir volume (SRV) difficult to predict. To address these challenges, this study integrates core triaxial compression tests, true triaxial hydraulic fracturing experiments, and finite-element numerical simulations. The controlling mechanisms of the horizontal stress difference, the elastic modulus contrast between reservoir and barrier layers, interlayer cementation strength, and fracturing fluid viscosity on fracture propagation are systematically investigated. The results show that when the horizontal stress difference is less than 5 MPa and the elastic modulus contrast between reservoir and barrier layers is less than 10 GPa, hydraulic fractures more readily penetrate the interlayer interface and form complex fracture networks. With increasing stress difference or elastic modulus contrast, fractures tend to propagate as single planar fractures or become constrained by barrier-layer shielding. Strong interlayer cementation suppresses fracture extension and reduces the stimulated area, whereas high fracturing fluid viscosity causes the fracture geometry to transform from a long and narrow pattern to a short and wide pattern. On this basis, a comprehensive fracability evaluation model is established by integrating the brittleness of both reservoir and barrier layers and the stress difference within and between layers. Field applications to 12 representative wells in the Chunliang Oilfield show that the comprehensive fracability index is positively correlated with the stimulated reservoir volume. The proposed model can effectively quantify interlayer stress shielding and provides a basis for fracturing layer selection and parameter optimization in the thin interbedded tight sandstone reservoir.
