Harbin Institute of Technology

A Robust Electrochemical Aptasensor Based on a AuNP/Chitosan Conductive Network for Saxitoxin Detection in Freshwater Samples

Saxitoxin (STX) is a highly potent marine biotoxin, and trace contamination in aquatic environments can pose serious risks to human health. Therefore, reliable detection of low-concentration STX is crucial for water safety monitoring. Here, we developed a robust electrochemical a...

A Bioinspired Soft Manipulator Based on Wave Spring Structure: Design and Control

Architectured soft structures have unlocked new possibilities for designing continuum manipulators with tailored mechanical performance. This work introduces a bioinspired soft manipulator based on modular wave spring units, leveraging the high elasticity of wave spring structure...

Mechanism of Soil-Pipe-Water Coupling Effects in Liquefied Site Based on the Dynamic Response Characteristics of Pressurized Pipes

Acceleration.csv contains the acceleration time-history curves at measurement points A2, A3, and A4 under the El Centro earthquake wave and the Kobe earthquake wave with a peak ground acceleration (PGA) of 0.1 g. Pore water pressure.csv contains the pore water pressure time-histo...

Probing dark matter and phantom field effects on neutrino oscillations around black holes

Abstract This study investigates how dark matter in the background of the phantom field (DMPF) near a black hole influences neutrino flavor oscillations using a two-flavor model. It is found that gravitational effects are cancelled for radially moving neutrinos, causing the oscil...

Design and experimental investigation of a heat pump-assisted double-effect evaporation system using ethanol as the working fluid

Most existing studies on the evaporation process of ethanol solutions focus on the microscopic scale, with a lack of research on design calculation methods and operational characteristics targeting macroscopic systems. This study proposes a heat pump-assisted double-effect evapor...

Bio-Inspired Perception–Memory Coupling for Robust LiDAR–Inertial Odometry in Dynamic Environments

Bionic intelligent robots operating in unstructured dynamic environments require perception systems that regulate uncertain observations according to their reliability and avoid converting transient disturbances into persistent spatial references. Inspired by reliability-weighted...

Stable Quantum Dot Light‐Emitting Diodes Compatible With Household Alternating Current Electricity

ABSTRACT Like other p‐n junction devices, quantum dot light‐emitting diodes (QLEDs) can only operate with direct current (DC), which is incompatible with household 220 V/50 Hz alternating current (AC), and accelerates device degradation due to constant charge injection and accumu...

Bimodal α Phase Transformation and Strengthening‐Toughening Mechanisms in Ti–7Mo–4Al–3Nb–2Cr–2Zr Alloy via Synergistic Control of Cooling Rate and Thermal Cycling Frequency

To systematically investigate the influence of thermal history on microstructure evolution along the deposition direction in Ti–7Mo–4Al–3Nb–2Cr–2Zr alloy during laser melting deposition, the morphological changes in the α phase have been mainly researched. Results indicate that t...

Sweet tea polysaccharides alleviate inflammation and regulate intestinal homeostasis via the gut-liver axis in ulcerative colitis mice

Sweet tea ( Rubus suavissimus S. Lee) is a natural plant characterized by its low caloric content, high sweetness, and health-promoting properties, with polysaccharides being its primary active components. The sweet tea polysaccharides (STP), identified as an acidic heteropolysac...

Mechanism of the Salt Anions Impacting on the Interface Chemistry of the Anode During High‐Temperature Calendar Ageing

ABSTRACT The calendar ageing has long plagued practical realization of long‐life lithium‐ion batteries (LIBs), and the interfacial ageing significantly affects electrochemical performances compared with bulk electrolyte hydrolysis, while its mechanism remains insufficiently eluci...

An interpretable learning framework for exploring superelastic degradation of NiTi shape memory alloys using multimodal data

Abstract Superelastic degradation (SED), a progressive loss of functionality in NiTi shape memory alloys under cyclic loading, remains challenging to characterize precisely, thereby constraining their engineering applications and broader adoption. In this study, an interpretable...

A 3D VTI Factored Eikonal Solver Using a Six‐Tetrahedron Pyramidal Stencil

ABSTRACT Accurate traveltime computation for the eikonal equation is essential in seismic applications such as tomography and migration. The fast sweeping method is widely used because of its unconditional stability and computational efficiency. We develop a three‐dimensional fas...

Measurement report: Quantifying the trade-off between station number and spatial layout in sparse GNSS networks for calibrating all-weather FY-4A precipitable water vapor

Abstract. Integrating satellite-derived precipitable water vapor (PWV) provides data with high spatiotemporal resolution, which is crucial for monitoring and forecasting extreme weather. However, current fusion and calibration methods typically relies on dense GNSS networks, hind...

Longitudinal plasma phosphorylated tau217 classification and the association with Alzheimer's disease progression

Abstract INTRODUCTION Longitudinal diagnostic and prognostic validity of plasma phosphorylated tau217 (p‐tau217) in Alzheimer's disease (AD) remains uncertain. METHODS In this multi‐cohort study of 2117 individuals, we established baseline plasma p‐tau217 thresholds for amyloid‐β...

Weakening Local Chemical Bonds for Enhanced Thermoelectric Performance in YbMg 2 Sb 2 Zintl Compounds

ABSTRACT Alloying is a well‐established strategy for reducing lattice thermal conductivity ( κ L ) and enhancing thermoelectric performance of materials, typically explained by the Klemens model, which describes the point‐defect phonon scattering via mass and size contrasts. Yet,...

The Effects and Mechanisms of Thermal Oxygen Aging on Trap Characteristics and Electrical Performance of Functional Group‐Grafted Materials for HVDC Cable Insulation

ABSTRACT In this study, N‐allylaniline (NA), a functional monomer possessing both deep trap‐inducing and antioxidant capabilities, was grafted onto cross‐linked polyethylene (XLPE) to prepare XLPE‐g‐NA. Both XLPE and XLPE‐g‐NA were subjected to thermo‐oxidative aging, and their p...

Classifications of Substorms With MLT Patterns of SMU‐SML Indices Based on Convection Properties

Abstract During substorms, magnetospheric convection and magnetotail current sheet disturbances are two critical processes, both driving ionospheric electrojets. Dusk‐side SMU and dawn‐side SML (SuperMAG Electrojet indices) enhancements reflect two‐cell convection. Using this rel...

Adaptable weaving origami

As intelligence continues to deepen in engineering fields, adaptable shape-morphing structures face increasing demands for multifunctionality and reconfigurability. Origami has been widely explored in deployable structures, mechanical computing, metamaterials, and metamorphic rob...

Mo equivalent guided microstructural regulation and strength-toughness synergy of Fe-doped near β titanium alloy

The intrinsic strength-toughness trade-off, coupled with an inadequate understanding of microstructure regulation, restricts the further development of as-cast near β titanium (Ti) alloys with ultra-high strength and toughness. In this work, a series of Ti-7Mo-4Al-4Zr-3Nb-2Cr- x...

A Boundary Virtual Load Method for Prestress-Field Prediction in Corner-Tensioned Membranes

Flexible membrane structures, such as solar sails and membrane reflectors, rely on accurate characterization of in-plane prestress for structural reliability and functional performance. This study proposes a Boundary Virtual Load Method (BVLM) for the semi-analytical prediction o...