Harbin Institute of Technology

Preparation and Dielectric Properties of Polyethylene Composites Modified by Nano‐ TiO 2 Coated Zeolites With Different Pore Sizes

ABSTRACT Low‐density polyethylene (LDPE) insulation in high‐voltage direct current (HVDC) cables is prone to space charge accumulation and electric field distortion. To address this, we propose a core–shell modification strategy using nano‐TiO 2 ‐coated porous zeolites (4A and Na...

Optimizing passive strategies for eco-residential energy efficiency in China's hot summer/cold winter zone: A Yancheng case study

This research evaluated the energy efficiency of an advanced eco-residential design in Yancheng, China, utilizing dynamic simulations with EnergyPlus and OpenStudio. The study focused on transitional climates marked by hot summers and cold winters, comparing three residential mod...

Activating Role of Poly(3,4-Ethylenedioxythiophene) in the Electrorheological Performance of Fluids Filled by Its Highly Porous Particles

Abstract A method for forming highly porous poly(3,4-ethylenedioxythiophene) polystyrenesulfonate (PEDOT:PSS) composite particles with an excess nonconductive PSS component via spraying into liquid nitrogen, followed by freeze-drying, was proposed. The additional PSS content both...

Highly anisotropic nonrelativistic charge-to-spin conversion in altermagnets

The charge-to-spin conversion provides an efficient way to manipulate the magnetization by electrical means. In this work, we report on a study on the anisotropic nonrelativistic charge-to-spin conversion response to the current direction in altermagnets. We prove that the spin c...

EFAU-Net: efficient feature-enhanced U-Net for early pregnancy ultrasound segmentation

Early-pregnancy ultrasound images often contain gestational sac, yolk sac, and embryo regions with blurred boundaries, variable shapes, and small target sizes, which makes accurate segmentation difficult. In addition, many existing segmentation networks have high computational co...

Valorization of Wastewater Phosphorus into Battery-Grade FePO4 via In-Situ Anodic Precipitation in an Electro-Driven Membrane System

Abstract The exponential growth of the new energy vehicle market has precipitated an urgent demand for sustainable lithium iron phosphate (LiFePO4) precursors. While recovering iron phosphate (FePO4) from phosphorus-rich wastewater presents a viable supply chain solution, convent...

Efficient Discovery of Motif Transition Process for Large-Scale Temporal Graphs

Understanding the dynamic transition of motifs in temporal graphs is essential for revealing how graph structures evolve over time, identifying critical patterns, and predicting future behaviors, yet existing methods often focus on predefined motifs, limiting their ability to com...

Post-treatment of biogenic sulfur coating enhances autotrophic denitrification

<title>Abstract</title> Biogenic sulfur (bio-S⁰) is a promising electron donor for treating carbon-limited wastewater, yet the inherent variability of its organic coating poses an unresolved challenge for consistent denitrification performance. Here, we report that post‑treatment...

A review of heating mechanisms, process parameters, and defect-minimized densification applications of microwave sintering in metals

Microwave sintering, an advanced materials processing technique, has garnered substantial attention due to its distinctive heating mechanism, which facilitates more uniform and efficient heating of materials, such as metal powders. This study constructs a comprehensive analytical...

Building emission reduction feasibility assessment considering uncertainty

The building sector accounts for 37% of global carbon emissions, which is commonly recognized as a significant contributor to carbon emissions. The emission reduction related to the building sector has received widespread attention. Scientific calculation and assessment of buildi...

Scalable OnlineMachine Learning for Water QualityOptimization and Carbon Source Reduction in Wastewater Treatment Plants

Abstract Effective real-time control of wastewater treatment plants (WWTPs) remains challenging due to highly variable influent conditions, while regulation of external carbon sources (ECS) is critical for sustaining nitrogen removal and meeting increasingly stringent effluent st...

Ultrahigh‐Loading Cathodes for Next‐Generation Lithium‐Ion Batteries

ABSTRACT Ultrahigh‐loading cathodes are a key pathway to boosting the energy density of lithium‐ion batteries. The design of thick electrodes can significantly increase the loading of electrode active materials by minimizing the proportion of inactive components at the device lev...

Comparison of Nonlinear Dynamics for Rotor Supported by Aerostatic Journal Bearings with Small-Hole and Micro-Hole Restrictors

Aerostatic journal bearings with small-hole restrictors are widely adopted due to their superior stiffness, making them effective solutions to meet the growing demands for improved stability and higher rotational speeds in precision machinery. In this study, the nonlinear dynamic...

Observer-Based Finite-Time Adaptive Fuzzy Control for Nonlinear Systems with Full-State Constraints

This paper investigates practical finite-time adaptive fuzzy control for uncertain nonlinear systems subject to full-state constraints and unmeasured state variables. To deal with the inaccessibility of some state variables, an observer is constructed. A state-dependent nonlinear...

Phantom-Free Geometric Refinement for Industrial CBCT Using Physical Constraints and a Normalized Low-Rank Projection Prior

Geometric misalignment degrades industrial cone-beam computed tomography (CBCT), particularly when a dedicated calibration phantom cannot be deployed during object acquisition. This study presents a three-stage, scan-specific geometric refinement framework that searches a bounded...

Mechanism Analysis and Prevention of Road Damage in High-Latitude Permafrost Regions

Abstract Frost heave and thaw settlement occur widely in northern China. Environmental change has increased their occurrence. High-latitude permafrost regions have high temperature sensitivity, experience freeze–thaw settlement, and exhibit unique rheological properties. Multiple...

Mott–Schottky Interface in Bi 2 Fe 4 O 9 /Ag Boosting Piezocarriers Separation for Hydroxychloroquine Degradation

Piezocatalytic advanced oxidation has been regarded as a promising and low energy cost strategy for water decontamination. Bi 2 Fe 4 O 9 (BFO) has been identified as a promising piezocatalyst due to its impressive ferroelectricity, but the low carrier separation efficiency limits...

Programmable multifunctional microrobots for synergistic cuproptosis-immunotherapy

Abstract Oral microrobots as drug carriers have shown great promise in enhancing the therapeutic efficacy of colorectal cancer (CRC). However, existing platforms frequently lack the programmable temporal precision required to execute complex, multi-stage dosing regimens. Here, we...

Multiscale sensitivity analysis of elasticity properties for woven composites using data-driven self-consistent clustering analysis and artificial neural network

<title>Abstract</title> Sensitivity analysis of material microscopic properties like matrix and fiber parameters on macroscopic performance is critical for the refined design of the mechanical properties of woven composites. However, this work remains challenging due to the high...

A triboelectric nanogenerator sensor-based capture, positioning and release mechanism (CPRM) for test mass in TianQin Gravitational Wave detection Project

Space-based gravitational wave (GW) detection offers a powerful platform for observing millihertz GW signals and probing extreme astrophysical phenomena. As an important part for GW detection, monitoring key state during test-mass (TM) capture, positioning, and release is essenti...