Tianjin University

Guided differential dilated convolutional network for fault diagnosis of hydraulic manipulators

Fault diagnosis for hydraulic manipulators plays a crucial role in ensuring operational safety but still faces challenges in fault localization. To address this issue, a guided differential dilated convolutional network (GDDCN) is proposed in this study. First, a novel interferen...

Light- and Temperature-Programmed Block Copolymer Capsules with Tunable Shell Nanostructures

Abstract Polymer capsules capable of adopting distinct shell nanostructures in response to external stimuli are attractive microcompartments for encapsulation, separation, and triggered release. Realizing such capsules requires orthogonal control, in which distinct stimuli indepe...

Blood–Brain Barrier Regulation: Evolving From Classic Strategies to Electrochemical Ion and Reactive Oxygen Species Control

ABSTRACT The blood–brain barrier (BBB), while indispensable for maintaining central nervous system (CNS) homeostasis, constitutes the principal impediment to effective therapeutic delivery for neurodegenerative disorders, particularly hindering spatially resolved modulation of ex...

High‐Performance Stretchable Field‐Effect Transistors Based on Intrinsically Flexible n‐Type Partially Conjugated Polymers Synthesized via Aldol Polycondensation

ABSTRACT Two intrinsically flexible conjugated polymers, PBT‐90 and PFBT‐90 , were designed and synthesized via aldol polycondensation. Both polymers incorporate a novel double‐flexible‐node unit, 5,5'‐bis(1,1,2,2‐tetrafluoro‐2‐(thiophen‐2‐yl)ethyl)‐2,2'‐bithiophene, which can re...

Gradient‐Mass‐Transfer Synthesis of 2D [Bi 2 CuO 3 ]SO 4 Crystals for Anisotropy Engineering

ABSTRACT The intrinsic physical anisotropy of low‐symmetry materials makes them highly promising candidates for polarization‐sensitive devices. However, their practical application remains constrained by the scarcity of single materials that can combine low symmetry with high per...

On the Effectiveness of Training Data Optimization for LLM-based Code Generation: An Empirical Study

Large language models (LLMs) have achieved remarkable progress in code generation, largely driven by the availability of high-quality code datasets for effective training. To further improve data quality, numerous training data optimization techniques have been proposed; however,...

Synergistic Optimization of Reference Electrode and Solid Electrolyte for Bi/Bi2O3 Oxygen Sensors

The Bi/Bi2O3-type oxygen sensor is extensively employed for oxygen monitoring in liquid lead-bismuth eutectic (LBE)-cooled reactors, yet its low-temperature measurement accuracy remains a critical bottleneck limiting engineering deployment. This study aims to extend the lower ope...

Ultrahigh-sensitivity adaptive solar-blind organic neuromorphic sensors for robust corona discharge monitoring

Abstract Low‑cost and high‑efficiency corona-discharge detection is essential for safe high‑voltage transmission operation, yet state‑of‑the‑art solar‑blind ultraviolet (SBUV) photodetectors for corona monitoring suffer from insufficient sensitivity, poor stability and weak anti‑...

Synergic Regulation of Active Site Electron Polarization and Interlayer Electron Coupling in COFs for Photocatalytic Hydrogen Peroxide Synthesis

ABSTRACT Covalent organic frameworks (COFs) are promising photocatalysts for the oxygen reduction reaction (ORR), yet reconciling the different electronic requirements in different elementary steps remains challenging. Herein, guided by the Sabatier principle and Marcus–Hush elec...

Terahertz reflection spectroscopy of palm leaf manuscripts with spatially contextualized analysis

Reflection-mode THz-TDS of spatially heterogeneous palm-leaf manuscripts reflects contributions from both material response and measurement geometry. We present a workflow using five duration-labeled specimens (0–160 d; one specimen per label), each measured at left, center, and...

Spatial Evolution and Driving Mechanisms of Traditional Villages in the Yongding River Basin, China

Settlement heritage, represented by traditional villages, preserves important historical, cultural, and spatial information on long-term human–environment interactions. Under rapid urbanization and rural transformation, many traditional villages in northern China have experienced...

Indium‐Mediated Electrolyte with Efficient Mg 2+ Transport and CO 2 Pathway Selection for Highly Reversible Mg–CO 2 Batteries

ABSTRACT Mg–CO 2 batteries present promising potential for integrated energy storage and carbon fixation, though their advancement is limited by slow cathodic CO 2 conversion kinetics and insufficient reversibility. Here, we report an In‐mediated electrolyte that couples solvatio...

Enhancement of the optical and spin properties of silicon vacancies in proton-implanted 4H-SiC via femtosecond laser annealing

The silicon vacancy (VSi) in 4H-SiC represents a promising candidate for solid-state qubits. However, conventional high-temperature annealing typically suffers from undesired impurity diffusion and limited spatial localization during fabrication. Here, we present a femtosecond la...

An Edge Computing-Enabled Optimal Control Method for Low-Voltage Distribution Networks

High penetration of distributed photovoltaic (PV) generation in low-voltage distribution networks can cause voltage violations, limited PV accommodation, and uneven loading among neighboring distribution transformers (DTs). To address these issues, an edge computing-enabled optim...

An Interpretable MACD–SCDM Framework for Sepsis Risk Modeling from Longitudinal Laboratory Trajectories

Early identification of sepsis from electronic health records (EHRs) remains challenging because longitudinal laboratory measurements are irregularly sampled, incomplete, and dependent on the observation period. This study presents an interpretable temporal feature-engineering fr...

An Approach for Defect Detection in Friction Stir Welding Based on the Welding Force and Machine Learning

This study leverages multiple machine learning algorithms for defect detection in friction stir welding (FSW), utilizing force-derived features as model inputs. Furthermore, the underlying relationships between welding forces and defect formation were systematically investigated,...

Simultaneous Measurement of Total and Occupied/Free PD-1 on a Single Cell by Mass Cytometry: Development of a Novel Method for Receptor Occupancy Assessment

Receptor occupancy (RO) assays are often used to quantify and characterize the binding profiles of antibody-based therapeutic drugs to target receptors, providing valuable pharmacodynamic insights. Programmed cell death protein 1 (PD-1) is a key immune checkpoint that suppresses...

DSLHash: Lightweight Hash Function Based on SVSC 4D Chaotic System and Dynamic Substitution Layers

Data integrity remains a critical requirement for secure communication in IoT environments. To address this challenge for resource-constrained IoT devices, lightweight cryptographic hash functions have been widely studied. However, static substitution layers in conventional hash...

A Multiscale Numerical Approach to Long‐Term Stability Analysis in Rock Engineering

ABSTRACT Long‐term stability of rock engineering structures is controlled by progressive strength degradation under sustained loading, yet direct experimental determination of long‐term strength (LTS) is severely constrained by impractically long testing durations and strong mate...

Synergistic Enhancement of Luminescence Dissymmetry Factor and Quantum Yield via Hybrid Copper(I) Iodide Cluster and Cellulose Nanocrystal Bilayer Films

ABSTRACT Circularly polarized luminescence (CPL) has emerged as a cornerstone technology for next‐generation chiral photonic applications. However, a fundamental trade‐off between the luminescence dissymmetry factor ( g lum ) and photoluminescence quantum yield (PLQY) has remaine...