Tianjin University

Real-Time Physical-to-Virtual Scene Reconstruction for Dynamic Manufacturing Systems via Semantic—Spatial Mapping

Real-time reconstruction of virtual scenes in response to changing physical conditions remains a challenge in manufacturing digital-twin systems. During manufacturing operations, changes in object positions, orientations, and spatial arrangements require the virtual scene to be u...

Effect of thermal treatment on electrochemical performance of diesel particle-based electrodes for supercapacitors

This study investigates the potential of diesel particles (DPs) emitted from marine diesel engine combustion as electrode materials for supercapacitors. The collected DPs were chemically purified and thermally treated at different temperatures to prepare carbon-based electrodes....

Thermo‐Mechanical Coupled Modeling and Experimental Investigation of Damage Evolution in Composite Structures During Friction Stir Blind Riveting

ABSTRACT Friction stir blind riveting (FSBR) is a promising joining technology for composite–metal hybrid structures; however, damage formation and evolution in composite laminates during the riveting process remain insufficiently understood. In this study, an integrated experime...

Remote‐Controlled Genetic Circuits: Light, Ultrasound, and Magnetic Fields for Programmable Gene Regulation

Remote-controlled genetic circuits use externally applied physical signals to regulate gene expression and cellular functions with spatial and temporal precision. Light, ultrasound, and magnetic fields provide complementary advantages in controllability, tissue accessibility, and...

DSFormer: An Enhanced Dual-Selective Fusion Transformer Framework for Hyperspectral Image Classification++

Hyperspectral image classification requires joint modeling of spectral signatures and spatial structure. In patch-based classification, each input patch is assigned the label of its center pixel, although neighboring pixels may belong to different land-cover classes. This setting...

Regeneration-aware online SOH estimation framework for liquid metal batteries based on fragmented data

Liquid metal batteries (LMBs) are regarded as a promising candidate for grid energy storage, owing to their long lifespan and high safety. However, their accurate state of health (SOH) estimation is significantly hindered by the prevalence of fragmented data and the pronounced ca...

Horizontal Bearing Behavior and Reinforcement Efficiency of Cemented Soil Mixed Reinforced (CSMR) Pile: Model Tests and Numerical Simulations

Local cemented soil improvement is an effective means of enhancing the horizontal resistance of pile foundations, although the associated redistribution of horizontal loads and the efficiency of cemented soil usage have not yet been fully clarified. This study combines horizontal...

Chromatin Modifications Orchestrate DNA Repair Pathway Choice: Epigenetics Strategies for Enhancing CRISPR –Cas9‐Mediated Knock‐In Efficiency

CRISPR-Cas9-mediated precise gene knock-in relies on homology-directed repair (HDR) at low frequencies in most mammalian cells, limiting precise gene editing in both research and therapeutic applications. Although multiple strategies have been developed to increase knock-in effic...

Simplified calculation method for settlement of necking piles accounting for pile-soil interaction in the necking zone

Existing calculation methods often neglect the pile-soil interaction within the necking zone, leading to inaccuracies in predicting the settlement of necking piles. Through transparent soil model tests, the deformation mechanism of the soil around necking piles was investigated....

Substructural shake table tests examining the seismic performance of point-supported glass facades

This paper aims to investigate the seismic performance of the coupled system comprising a large-span spatial structure and point-supported glass facades (PSGFs) through substructural shake table tests. A two-story substructure testbed is proposed to replicate the target responses...

Correlating photoluminescence spectra with electrical transport properties in defect-dependent β -Ga2O3 films

In this study, β-Ga2O3 thin films were fabricated on c-plane Al2O3 substrates using magnetron sputtering. As the film thickness increases from 80 to 380 nm, the in-plane crystalline domains show 120° rotation twinning, accompanied by an increase in the defect density. The defect...

Isotopic composition of aerosol iron from anthropogenic sources: implications for source apportionment of aerosol iron

Abstract. Aerosol iron (Fe) significantly impacts human health, atmospheric chemistry and marine biogeochemistry. The stable isotope ratio of Fe, typically reported as δ56Fe, has emerged as a promising method for source apportionment of total and soluble aerosol Fe. However, the...

Interactions Among Three‐Tier Factors of Community Safety Resilience: A Dual‐Perspective Analysis

ABSTRACT Enhancing community safety resilience (CSR) is critical for sustainable urban development. Disregarding the complex interactions among CSR factors may cause imbalanced resilience building, limiting a community's capacity to respond to uncertain disasters. This study aims...

Reliability assessment of parallel-connected 3L-NPC machine-side converters in offshore wind turbines considering post-fault load redistribution

Parallel-connected machine-side converters provide redundancy for offshore direct-drive wind turbines, but a local submodule failure increases the current stress and accelerates degradation of the surviving units. Conventional fixed-load k -out-of- n reliability models do not cap...

Enhancing pure ammonia engine combustion by pre-chamber ignition coupled with dual spark ignition strategies

Advanced ignition strategies are essential for overcoming the poor ignitability and low burning velocity of ammonia. Multi-point spark ignition can increase the combustion rate by shortening the flame propagation distance, while pre-chamber ignition (PCI) can enhance main-chamber...

The magneto-elastic instability of Kirchhoff rings

Abstract Understanding the interplay between electromagnetic forces and elasticity is a fundamental problem in the mechanics of deformable structures, particularly when electrical currents interact with magnetic fields to generate distributed body forces. A paradigm for this prob...

Hierarchical cooperative signal control for high-demand networks within the MFD framework: A deep reinforcement learning approach

Owing to its powerful modeling and decision-making capabilities in complex urban networks, deep reinforcement learning (DRL) has garnered significant attention in both regional signal control and perimeter control. However, regional control tends to fail under oversaturated condi...

Associations between urban form and urban multifunctionality: a comparative study

Abstract Cities are complex and dynamic systems that integrate social, ecological, and infrastructure domains. This study investigates and quantifies how urban forms are associated with multiple urban functions across these domains, and how these associations combine into positiv...

Efficient near-room-temperature PPMgLN optical parametric oscillator pumped by an electro-optically Q-switched Tm:YAP laser

The transient conversion dynamics of a near-degenerate doubly-resonant optical parametric oscillator (DRO) based on periodically poled MgO:LiNbO 3 (PPMgLN) were investigated using a time-domain coupled-wave model. Operating in the mid-infrared (MIR) region, the DRO is primarily l...

Bidirectional Multi-Scale Cross-Modal Attention Network for SAR–Multispectral Semantic Segmentation

Fusing synthetic aperture radar (SAR) and multispectral (MS) imagery for semantic segmentation remains challenging because of cross-modal semantic discrepancies, cloud-induced contamination, incomplete integration of complementary details, and the loss of spatial information duri...