Ao Xu
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View article: Prediction of mechanical performance in prestressed concrete continuous rigid-frame bridges using CatBoost
Prediction of mechanical performance in prestressed concrete continuous rigid-frame bridges using CatBoost Open
Prestressed concrete continuous rigid-frame bridges are widely used in infrastructure construction due to their excellent engineering performance. In the traditional design process, engineers need to perform complex numerical calculations …
View article: Prediction of Concrete Abrasion Depth in Hydraulic Structures Using an Interpretable Hybrid Ensemble Model Based on Meta-Heuristic Algorithms
Prediction of Concrete Abrasion Depth in Hydraulic Structures Using an Interpretable Hybrid Ensemble Model Based on Meta-Heuristic Algorithms Open
The concrete protective layer in hydraulic tunnels is prone to abrasion by high-velocity sand-laden water, reducing structural durability. Accurate prediction of abrasion depth is key to rational hydraulic structure design. Existing studie…
View article: Development and Performance Validation of a UWB–IMU Fusion Tree Positioning Device with Dynamic Weighting for Forest Resource Surveys
Development and Performance Validation of a UWB–IMU Fusion Tree Positioning Device with Dynamic Weighting for Forest Resource Surveys Open
In forest resource plot surveys, tree relative positioning is a crucial task with profound silvicultural and ecological significance. However, traditional methods such as compasses and total stations suffer from low efficiency, high costs,…
View article: Operation optimization of water-cooled central chilling system in a commercial office building based on the gray wolf optimization algorithm
Operation optimization of water-cooled central chilling system in a commercial office building based on the gray wolf optimization algorithm Open
In this study, the gray wolf algorithm was applied to optimize the water-cooled central chilling system operation in a commercial office building. The optimization objective was to maximize the system’s energy efficiency ratio by seeking t…
View article: Development of an Integrated Forestry Survey Device for Tree Height and DBH
Development of an Integrated Forestry Survey Device for Tree Height and DBH Open
Tree diameter at breast height (DBH) and tree height are important quantitative attributes in forestry surveys. They serve as essential data for calculating forest stock, growth, and carbon sequestration, and are of significant research va…
View article: Bridging Structural Causal Inference and Machine Learning: The S-DIDML Estimator for Heterogeneous Treatment Effects
Bridging Structural Causal Inference and Machine Learning: The S-DIDML Estimator for Heterogeneous Treatment Effects Open
In response to the increasing complexity of policy environments and the proliferation of high-dimensional data, this paper introduces the S-DIDML estimator—a framework grounded in structure and semiparametrically flexible for causal infere…
View article: Inversion of Thermal Parameters and Temperature Field Prediction for Concrete Box Girders Based on BO-XGBoost
Inversion of Thermal Parameters and Temperature Field Prediction for Concrete Box Girders Based on BO-XGBoost Open
To mitigate thermal cracking in concrete box girders during construction, this study introduces an inversion method for thermal parameters by integrating machine learning with finite element simulation. The research aims to accurately iden…
View article: Dynamics of Bronnikov-Ellis wormhole with double-null simulation
Dynamics of Bronnikov-Ellis wormhole with double-null simulation Open
We investigate the dynamical collapse of Bronnikov-Ellis (BE) wormhole using the double-null formalism, where its throat is characterized by the coincidence of two curves r ,u = 0 and r ,v = 0. The emission of two ingoing pulses: normal sc…
View article: Dexmedetomidine protects against N-Nitrosodiethylamine induced acute hepatic damage by modulating autophagy and apoptosis through SIRT1
Dexmedetomidine protects against N-Nitrosodiethylamine induced acute hepatic damage by modulating autophagy and apoptosis through SIRT1 Open
Purpose Dexmedetomidine (DEX) has been extensively studied for its protective effects on multiple organs, primarily attributed to its anti-inflammatory and anti-apoptotic properties. However, the molecular mechanisms underlying its effects…
View article: Bridging Structural Causal Inference and Machine Learning The S-DIDML Estimator for Heterogeneous Treatment Effects
Bridging Structural Causal Inference and Machine Learning The S-DIDML Estimator for Heterogeneous Treatment Effects Open
In response to the increasing complexity of policy environments and the proliferation of high-dimensional data, this paper introduces the S-DIDML estimator a framework grounded in structure and semiparametrically flexible for causal infere…
View article: Concrete Carbonization Prediction Method Based on Bagging and Boosting Fusion Framework
Concrete Carbonization Prediction Method Based on Bagging and Boosting Fusion Framework Open
Concrete carbonation is an important factor causing corrosion of steel reinforcement, which leads to damage to reinforced concrete structures. To address the problem of concrete carbonation depth prediction, this paper proposes a predictio…
View article: Identification and Evaluation of Lipocalin-2 in Sepsis-Associated Encephalopathy via Machine Learning Approaches
Identification and Evaluation of Lipocalin-2 in Sepsis-Associated Encephalopathy via Machine Learning Approaches Open
The upregulation of LCN2 expression on peripheral neutrophils is a critical step that triggers neuroinflammation in the central nervous system during SAE.
View article: Optimizing Thermal Control Systems in Space Craft Using Machine Learning Algorithms: Increasing Efficiency Through Artificial Intelligence
Optimizing Thermal Control Systems in Space Craft Using Machine Learning Algorithms: Increasing Efficiency Through Artificial Intelligence Open
Thermal control systems in spacecraft are crucial in their role of maintaining operational performance and protecting the sensitive equipment in the extreme thermal environments of space. These systems manage internal temperatures of the s…
View article: Research on the Barcode Deblurring Algorithm Based on a GAN
Research on the Barcode Deblurring Algorithm Based on a GAN Open
With the development of Internet of Things (IoT) technology, barcode automatic recognition systems play a crucial role. Traditional methods often perform poorly when processing blurred barcodes, which affects recognition and application pe…
View article: Accurate Suspension Force Modeling and Its Control System Design Based on the Consideration of Degree-of-Freedom Interaction
Accurate Suspension Force Modeling and Its Control System Design Based on the Consideration of Degree-of-Freedom Interaction Open
In this study, an accurate suspension force modeling method for the magnetic bearings of flywheel batteries considering degree-of-freedom (DOF) interactions and their control system is proposed to solve the problem that the traditional fly…
View article: Optimization and Validation of Wafer Surface Defect Detection Algorithm Based on RT-DETR
Optimization and Validation of Wafer Surface Defect Detection Algorithm Based on RT-DETR Open
In response to the issue of poor detection performance on wafer surface defect spots and elongated scratches, an improved RT-DETR method for wafer surface defect detection is proposed. Firstly, a dynamic snake convolutional layer is introd…
View article: Modeling the distribution of the invasive snail Physella acuta in China: implications for ecological and economic impact
Modeling the distribution of the invasive snail Physella acuta in China: implications for ecological and economic impact Open
With the future climate change, the total suitable habitats of P. acuta in China showed a shrinking trend, and the shrinkage was more significant in the southern low-latitude suitable habitats. To mitigate its impact on China's ecosystem a…
View article: Telomerase reverse transcriptase gene knock‐in unleashes enhanced longevity and accelerated damage repair in mice
Telomerase reverse transcriptase gene knock‐in unleashes enhanced longevity and accelerated damage repair in mice Open
While previous research has demonstrated the therapeutic efficacy of telomerase reverse transcriptase (TERT) overexpression using adeno‐associated virus and cytomegalovirus vectors to combat aging, the broader implications of TERT germline…
View article: StoryNavi: On-Demand Narrative-Driven Reconstruction of Video Play With Generative AI
StoryNavi: On-Demand Narrative-Driven Reconstruction of Video Play With Generative AI Open
Manually navigating lengthy videos to seek information or answer questions can be a tedious and time-consuming task for users. We introduce StoryNavi, a novel system powered by VLLMs for generating customised video play experiences by retr…
View article: Global Applications of GPT in Cancer for Screening, Diagnosis and Treatment - a Comprehensive Review (Preprint)
Global Applications of GPT in Cancer for Screening, Diagnosis and Treatment - a Comprehensive Review (Preprint) Open
UNSTRUCTURED Objective: GPT has demonstrated its powerful medical applications. The objective of this paper is to summarize and analyze the current clinical case research on GPT in cancer screening, diagnosis and treatment, thereby advanc…
View article: Towards the new era of wastewater treatment of China: Development history, current status, and future directions
Towards the new era of wastewater treatment of China: Development history, current status, and future directions Open
Water is essential for the sustainable development of human society. With the largest population and rapid economic development, water usage and treatment in China have grown tremendously in the past decades. In order to prevent water poll…