Resultados de búsqueda - Yu Yan

Urban heritage materials face accelerated decay due to the synergistic effects of air pollution and climate change. Dose–response functions (DRFs) have emerged as a key tool to quantify and predict these risks. This review synthesizes the scientific development of DRFs, their application in Europe a...

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The key to cross-domain recommendation is how to effectively map user features from source domain to target domain. Previous studies focused more on mapping user features, ignored the similarity between user features and actual features after mapping and the possibility of item features mapping; it...

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In marine equipment, some moving stainless steel components are designed to work in both seawater and air. These components would be suffered tribocorrosion under wet-dry alternation. This study investigated the tribocorrosion behavior of 316L stainless steel in alternating wet and dry environments....

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With the continuous improvement of the evaluation system for health food technology, the existing evaluation methods are no longer able to meet the needs of future development. Therefore, it is particularly important to develop a more comprehensive and accurate evaluation system that combines advanc...

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BackgroundThe purpose of this study is to utilize single-cell sequencing data to explore glioma heterogeneity and identify key biomarkers associated with glioblastoma multiforme (GBM) relapse using machine learning.MethodsSingle-cell sequencing and transcriptome data for gliomas were obtained from t...

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Ground Penetrating Radar (GPR) is a high-resolution nondestructive technique for detecting subsurface defects, yet its image interpretation suffers from strong subjectivity, low efficiency, and high false-alarm rates. To establish a customized underground GPR defect detection algorithm, this paper i...

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Ancient temple complexes in China’s mountainous landscapes exemplify a profound synthesis of environmental adaptation and cultural expression. This research investigates the spatial logic underlying the Wudang Mountain temple complex—a UNESCO World Heritage site—through integrated geospatial analysi...

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Objective: Acute cerebral vasospasm (aCVS) is a severe complication commonly occurring after subarachnoid hemorrhage, leading to significant morbidity and mortality despite current therapeutic interventions. This study aims to elucidate the potential therapeutic mechanisms of Ligusticum wallichii (L...

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The increasing availability of high-resolution remote sensing images (RSIs), driven by advancements in satellite and optical imaging technologies, presents both new opportunities and challenges for small object segmentation (SOS) tasks. A primary challenge in SOS tasks is the substantial sample imba...

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In geographic information data processing, the matching of road data at different scales is crucial. Due to scale differences, road features can change, posing a challenge to multi-scale matching. Spatial relationship is the key to matching because it remains stable at different scales. In this pape...

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BackgroundHigh-precision and long-distance exploration of geological conditions is required for coal extraction and disaster prevention in coal mines. However, traditional drilling and geophysical prospecting methods face technical bottlenecks such as insufficient exploration accuracy and limited ex...

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A total of 48 sows (Landrace × Yorkshire) with the similar reproductive conditions were used to investigate the effects of β-carotene on reproductive performance, immune function and antioxidant capability in late-pregnancy sows. These sows were allocated to four treatments (12 sows per treatment) r...

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Copper ions easily complex with ligand and act as the central ion. EGCG ((—) Epigallocatechin gallate), one of the catechins in tea, is the most active natural polyphenol in the products and, being a polyligand, can complex with Cu²⁺. In this paper, the reaction condition for...

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Osteoporosis is a systemic bone disorder characterized by decreased bone mass and deteriorated microarchitecture, leading to an increased risk of fractures. Recent studies have revealed that its pathogenesis involves complex biological processes beyond bone remodeling, including oxidative stress, ch...

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