Beijing University of Technology

Unveiling the new round of trade-in policies in China: an “objectives-tools-targets” analysis framework

Trade-in policies play an important role in advancing sustainable consumption in China, but their sustained effectiveness still faces obstacles. This study constructs a trade-in policy mix analysis framework, which integrates the three dimensions of policy objectives, tools and t...

The New Type All‐Thin‐Film Electrochromic Devices: Separated‐Function Design for High‐Performance Intelligent VIS‐IR Multi‐Band Modulation

ABSTRACT Smart windows based on all‐thin‐film electrochromic devices (ECDs) with coordinated visible (VIS) and infrared (IR) modulation offer promising solutions for energy‐efficient buildings. However, conventional single‐layer ECDs often suffer from limited IR modulation, slugg...

A closed-loop authentication-detection security framework for edge computing environments integrating trusted computing and distilled pre-trained language models

Edge computing environments hosting tens of thousands of nodes face concurrent threats including node spoofing, data tampering, and distributed denial-of-service attacks, yet existing security solutions address authentication, intrusion detection, and resource scheduling in isola...

Trust-Aware Enterprise Credit Risk Prediction via Variational Autoencoder in Supply Chain Finance

The growing complexity of transaction networks, dynamic enterprise interactions, and rising financial uncertainties in modern supply chains have made accurate credit risk assessment for small and medium-sized enterprises (SMEs) in supply chain finance (SCF) a critical priority. H...

Optimal placement of viscous dampers in high-rise buildings using the target-oriented krill herd algorithm with a dynamic search mechanism

Optimal placement of viscous dampers is essential for enhancing the seismic performance of high-rise buildings. In this study, we propose a target-oriented krill herd algorithm with a dynamic search mechanism (DTOKH) to optimize the placement of viscous dampers in high-rise build...

Quasi‐Covalent Conductive Bridges in 2D Semimetal‐Semiconductor Contacts

ABSTRACT Achieving ultralow contact resistance in two‐dimensional transition metal dichalcogenide semiconductors remains a key bottleneck for further device scaling. Although all‐2D semimetal/semiconductor van der Waals (vdW) contacts effectively suppress metal‐induced gap states...

Engineering Hidden Ferroelectric‐Like Distortion for Ultralow Thermal Conductivity in Polar van der Waals Tetradymite

ABSTRACT Ferroelectric‐like polar structures enable diverse functionalities through coupling with charge and phonon transport. Although effective in modulating thermal conductivity, the rational design of novel polar materials with intrinsically low thermal conductivity via ferro...

LMOD-YOLO: A lightweight YOLO model for marine organism visual detection

Abstract Real-time detection of marine organisms plays a critical role in underwater ecological monitoring, endangered species protection, and autonomous underwater vehicle (AUV) operations. However, the degraded underwater images with low contrast and detail blur and limited emb...

Attention-based time–frequency aggregated tokens for sound event classification in basketball game

Abstract With the rapid advancement of computer technology, its application in basketball game analysis has become a prominent research focus. Sound events in basketball games encapsulate critical game-related information. However, research on sound event classification in basket...

Experimental and Numerical Study on the Flexural Performance of Prefabricated RC Beams with UHPC–Cogging–Grouted Sleeve Composite Joints

This study investigates the flexural performance of prefabricated reinforced concrete (RC) beams with a novel UHPC–cogging–grouted sleeve composite joint. Five beam specimens—one cast-in-place reference and four prefabricated examples—were tested under four-point bending. The key...

Seismic performance degradation of reinforced concrete bridges under climate change

Abstract Under climate change and long-term service conditions, durability problems caused by steel corrosion and concrete deterioration severely weaken the seismic capacity of bridges. In response to the limited existing studies concerning the variation in bridge displacement re...

Numerical modeling for generating ultrahigh porosity aluminum foam through independent control of pore size and cell wall thickness

This paper proposed a numerical modeling method for generating ultrahigh porosity aluminum foam through independent control of pore size and cell wall thickness. The proposed method introduced two independently adjustable parameters (point spacing and scaling distance) to control...

Engineered DynamicCo2+ Sites Resolve theComplete Reaction Network for C(sp3)–H Oxidation

Abstract The dynamic evolution of active sites under operating conditions fundamentally dictates catalytic performance, yet state-of-the-art studies remain confined to passive observation, i.e., they are unable to intervene in detrimental dynamics or translate beneficial ones int...

Reactive PLD Guides the Transformation to Noncrystalline C‐Ga‐Se‐Cl Films with a Halogen‐Defined Interface for Enhanced Luminescence

ABSTRACT Pulsed laser deposition is known for copying the composition of a target into a thin film. Adding a reactive gas can change the growth process, but the chemistry usually stays close to the target. Using a carbon‑rich environment and a pulsed chlorine source from polyviny...

High temperature performance of multilayer (Gd0.2Dy0.2Ho0.2Tm0.2Yb0.2)4Hf3O12 thermal/environmental barrier coatings at 1450°C.

A novel thermal/environmental barrier coating (T/EBC) composed of a Si-15 mol% HfO 2 bond coat, a Yb 2 SiO 5 -50mol% Yb 2 Si 2 O 7 intermediate layer, and a (Gd 0.2 Dy 0.2 Ho 0.2 Tm 0.2 Yb 0.2 ) 4 Hf 3 O 12 (15SH/50YbMDS/(5RE) 4 Hf 3 O 12 ) top layer was fabricated by air plasma...

An Integrated Bio‐Based Film With Dynamic Covalent Networks for Coupled pH‐Responsive Release and Colorimetric Reporting

A multifunctional smart film was fabricated via dynamic Schiff base cross-linking between quaternary ammonium chitosan (HACC) and dialdehyde cellulose (DAC), enabling the integrated encapsulation, controlled release, and visual indication of curcumin within a single matrix withou...

Au Single‐Atom Interlayer Bridge Promotes Cross‐Layer Charge Transport and Intrinsic Catalytic Dual‐Sites Activation for Efficient CO 2 Photoreduction

ABSTRACT Layered photocatalysts are attractive for artificial photosynthesis, but their performance is often limited by inefficient charge transport across interlayer gaps and sluggish surface reaction kinetics. Herein, we propose a single‐atom interlayer bridge strategy by intro...

Brain‐Mimetic Mapless Navigation Framework Integrating Visual Streams and Entorhinal‐Hippocampal‐Prefrontal Circuits

ABSTRACT Efficient autonomous navigation in complex and unstructured environments without pre‐existing maps remains a significant challenge for mobile robotics. Drawing inspiration from rodent neural architectures, this study proposes a brain‐mimetic mapless navigation framework...

A spatio-temporal multi-scale dual-pooling neural network for traffic predictions

The problem of traffic predictions is playing an increasingly important role in intelligent transportation systems. While recent progress has enhanced the accuracy of traffic prediction to some extent, numerous existing methods still suffer from significant limitations. Specifica...

Study on the influence of stiffness-to- gravity ratio on the seismic performance of base-isolated high-rise building structures

Base isolation can effectively improve the seismic performance and earthquake safety reserve of structures. However, when it is applied to buildings with large aspect ratios, there are two main problems: isolation effectiveness and overturning resistance. This paper discusses and...