Dalian University of Technology

RDIC-MSCKF: Risk–Direction-Decoupled and Innovation-Calibrated MSCKF for Stereo Visual-Inertial Odometry

Filtering-based stereo visual-inertial odometry often assigns fixed or uniformly scaled covariance to tracks accepted by the front-end, although accepted observations can differ in terms of tracking reliability, local directional identifiability, and agreement with the batch-leve...

Single-Cell Transcriptomic Profiling of the O -Methyltransferase Characteristics of Flavonoid Biosynthesis in Ziziphus jujuba var. spinosa Fruit

Abstract Sour jujube (Ziziphus jujuba var. spinosa) is a valuable medicinal and edible fruit owing to its health-promoting properties. Methoxylated flavonoids enhance their value by improving stability and bioavailability. However, the cellular basis of their biosynthesis remains...

Study on High-Temperature Fatigue Properties and Notch Sensitivity of Haynes 230 Alloy TIG-Welded Joints

This study investigates the high-temperature high-cycle fatigue behavior of TIG-welded Haynes 230 alloy using smooth and notched specimens (Kt=3) at 850–950°C. Both elevated temperature and notch effect significantly degrade fatigue performance. As temperature increases, thermall...

Investigation of Position-Dependent Signal Propagation Delay in Large-Pitch AC-LGAD Using a Two-Dimensional Transmission-Line Model

This paper presents a study of position-dependent signal propagation delay in large-pitch pixelated AC-coupled Low-Gain Avalanche Detectors (AC-LGADs). In AC-LGADs, a continuous resistive N+ layer and segmented AC-coupled readout electrodes enable charge sharing and simultaneous...

Land-Use Evolution and Multi-Scenario Spatial Divergence in Bays: A Case Study of Haitan Bay and Tannan Bay, Pingtan Island, China

Conflicts between development and conservation on tourism-driven islands are concentrated in bay-adjacent terrestrial areas, yet land-use evolution and scenario responses are rarely compared among functionally distinct bays on the same island. This study examined Haitan Bay and T...

Reshaping Chloride Exclusion in Stern Layer to Enable Durable Seawater Electrolysis

ABSTRACT Direct seawater electrolysis offers a promising route for green hydrogen by utilizing marine resources and offshore renewables, but is hindered by chloride‐induced corrosion and poor catalyst durability. Herein, the Helmholtz plane microenvironment is reshaped by in situ...

EXPRESS: Risk factors and predictive model for non-aspiration stroke-associated infections in patients with acute ischemic stroke followed by intravenous thrombolysis

OBJECTIVE: To analyze clinical characteristics, risk factors, and a predictive model for non-aspiration stroke-associated infections (NASAI) in acute ischemic stroke (AIS) patients receiving intravenous alteplase thrombolysis. METHODS: This prospective cohort study included AIS p...

Interplay between Al-RE particles and twins: Strain gradient-driven twin boundary breakthrough of static recrystallized grains

The AZ31-0.9Nd-0.3Y alloy exhibits a uniform distribution of Al-RE particles at the grain scale, with Al 2 RE present within grains and Al 11 RE 3 located at grain boundaries (GBs). Using quasi‑in‑situ electron backscatter diffraction, this study investigated the underlying stati...

Analysis on influencing factors for temperature control of concrete surrounding spiral case of hydropower station

The spiral case and its surrounding concrete (SCSC) are critical structural components and primary load-bearing elements for hydropower generation, necessitating stringent safety and reliability measures. The SCSC is a mass concrete structure, with temperature control typically a...

Thermodynamically Driven Evolution of Coherent BCC/B2 Microstructures and Their Impact on Mechanical Properties in an Al‐Containing Multiprincipal Element Alloy

A novel Al 1.5 Ti 6.5 Zr 2 Nb 3 Ta 2 Mo 0.5 Cr 0.5 multiprincipal element alloy (MPEA) with a coherent BCC/B2 microstructure containing cuboidal BCC precipitates was designed. The microstructural evolution and corresponding mechanical properties under different heat‐treatment con...

A Review of Internal Flow Fields in High-Pressure Common Rail Injector Nozzles

High-pressure common rail injector nozzles are key components of the fuel-injection system in modern diesel engines. The internal flow state and nozzle-exit flow characteristics directly affect fuel atomization, fuel–air mixing, and combustion performance. This article adopts a s...

Effective nitrogen removal from coastal sediments at 10 °C using sediment microbial fuel cells

Nitrogen pollution in cold coastal sediments has become increasingly prominent. Sediment microbial fuel cells (SMFC) are efficient at preventing ammonia release and hypoxia, but low temperature conditions may significantly limit their efficiency. In this study, two SMFC systems w...

Multipoint Discrete-Adjoint Optimization of Two-Dimensional Axial Turbine Blade Profiles Using CAD-Based Curve Parameterization

Abstract Modern turbomachinery is required to maintain high aerodynamic performance over a wide operating range. To address this requirement, a multipoint discrete-adjoint optimization framework is developed based on the open-source SU2 platform and blade-profile parameterization...

Confined shear-induced structure discretization enables re-entrant super-repellent metals

Re-entrant structures are fundamental to achieving robust liquid repellency, especially for low-surface-tension liquids. However, existing fabrication techniques often face a trade-off among mechanical durability, substrate geometry compatibility, large-area processing, and rapid...

An Indicator-Based Framework for Measuring the Level of On-Site Industrialized Construction in Concrete Residential Buildings

Abstract Prefabricated construction (PC) and on-site industrialized construction (OIC) have demonstrated great potential in enhancing sustainability in industrialized construction (IC) of concrete residential buildings. However, existing IC evaluation frameworks worldwide have pa...

Feedforward Unsteady Lift Hysteresis Compensation of Variable Camber Wing Based on Prandtl–Ishlinskii Model

The maneuvering flight of future aircraft which employ morphing variable camber wings (VCWs) requires rapid and accurate aerodynamic regulation. However, the dynamic lift responses during fast morphing deflection exhibit unsteady hysteresis effects, hindering shape and flight con...

Study on the conductive behavior in three-dimensional high-density carbon system

Exploring the relationship between structural evolution and electrical conductivity in three-dimensional (3D) high-density carbon (HDC) is essential for understanding its functional properties. In this work, a deep-learning-based machine learning potential was employed to constru...

Detection and Safeguarding of Chinese Toxic Content from Users and LLMs: A Survey

Abstract Toxic content detection and safeguarding have become important topics in natural language processing and affective computing, as they involve the analysis of offensive expressions and harmful attitudes in language. With the widespread adoption of social media, diverse fo...

High mobility p -type doping of hexagonal boron nitride films on diamond (100) substrates

The heteroepitaxy of hexagonal boron nitride (h-BN) on diamond exhibits significant potential for the advancement of diamond-based electronic devices. p-Type doping of h-BN is expected to provide sufficient carriers for forming a two-dimensional hole gas at the diamond interfaces...

Salt-tolerant β-glucosidases from Karamay saline soil for soybean isoflavone bioconversion

β-Glucosidase (EC 3.2.1.21) hydrolyzes β-glycosidic bonds and is widely used in the food, fuel, and pharmaceutical industries. It holds significant potential particularly for converting glycosides, such as soybean isoflavone glycosides and ginsenosides, into their more bioactive...