Tianjin University

Prediction and Optimization of Freeform Impeller Machining Parameters Using a Hybrid Taguchi-Artificial Neural Network Model with the Levenberg–Marquardt Algorithm

Freeform machining of impellers involves extended cycle times, leading to high energy consumption and costs necessitating efficient process optimization. This study develops a CAD/CAM-integrated hybrid Taguchi-Artificial Neural Network (ANN) model to optimize machining parameters...

Tuning Reaction Pathways by Controlling Atomic Assembly on Oxide Clusters

ABSTRACT Precisely controlling the assembly of atomic sites on oxide clusters (< 1 nm) represents an expanded yet challenging strategy for tuning catalytic performance. Here, we construct two well‐defined model catalysts, single‐atomic Pt on CuO x clusters (Pt 1 ‐CuO x /CN) an...

Modeling and experimental validation of an indirect active hybrid solar dryer for mint leaves: Coupled thermal and moisture-transfer analysis

A mathematical model was developed and experimentally validated to predict the thermal performance and drying behavior of an indirect active solar dryer (IAHSD) for mint leaves. The distinctive contribution of the proposed approach is its integration of solar-energy input, auxili...

Clinical and neural effects of a hybrid accelerated–maintenance iTBS protocol in adolescents with major depressive disorder

Intermittent theta burst stimulation (iTBS) has emerged as a safe and effective intervention for adolescents with major depressive disorder (MDD). While accelerated iTBS can induce rapid clinical improvement, intensive multi-day treatment schedules may present practical challenge...

Adaptive Improved Practical Finite‐Time Tracking Strategy for MIMO Stochastic Nonlinear Systems and Its Application in Flexible Robotic Manipulator

ABSTRACT This article proposes an improved command‐filtered adaptive practical fast finite‐time tracking strategy for multi‐input multi‐output (MIMO) stochastic nonlinear systems. Compared to existing approaches, it targets three critical unresolved challenges: (1) intermittent o...

Generative Logic and the Mediatization of Politics: Deepfake Parodies and Political Reinterpretation in China

This study revisits the theory of the mediatization of politics in the era of artificial intelligence (AI), questioning its applicability beyond Western democracies and proposing an extension through the concept of generative logic. Drawing on the analysis of AI-generated parodie...

Reversible Local CoordinationRelaxation of Lattice-EmbeddedRh Single Sites Enables Efficient and Durable Propene Hydroformylation

Abstract Efficient atomically dispersed Rh catalysts for propene hydroformylation require active sites that combine coordination flexibility during turnover with resistance to leaching and aggregation. Here we report Rh1@ZnO, in which Rh single sites are incorporated into cation...

SupramolecularlyStabilized Copper(I) Halides forHigh-Efficiency Near-Ultraviolet Emission and X-ray Scintillation

Abstract Near-ultraviolet (NUV)-emissive materials are crucial for advanced photonic technologies and high-resolution scintillators. However, existing NUV-emitting materials face challenges in balancing efficiency, stability, and scalability for broad optoelectronic applications....

Exact Toda black holes of rank-2 Lie groups

A bstract We consider Einstein gravity coupled to two Maxwell fields and one dilatonic scalar, and construct spherically-symmetric and static black holes that are charged under both Maxwell fields in general D dimensions. We find that for suitable dilaton couplings, the equations...

Delivering building demand flexibility for grid-interactive operation: from perception and cognition to decision, execution, and verification

As both buildings and power systems undergo rapid decarbonization, demand flexibility (DF) in buildings has emerged as a key enabler for renewable energy integration, grid reliability, energy resilience, and efficient and low carbon operation. By dynamically adjusting building en...

Sustainable Recovery of Platinum Group Metals via Oxysalt Phase Reconstruction and Subsequent Deep Eutectic Solvent Leaching

Abstract The recycling of platinum group metals (PGMs) underpins sustainable development across semiconductors, new energy devices, and catalytic materials. Efficiently enriching and extracting these sparsely distributed PGMs from solid wastes such as spent catalysts still pose a...

Multi-Objective Optimization and Global Design for Active Magnetic Dry Friction Damper Actuators

To address the tradeoff among high force, fast response, and compact volume in active magnetic dry friction dampers, this paper proposes a systematic multi-objective optimization framework centered on an interpretable global design surface. A parametric analytical model mapping t...

Sella turcica dimensions in patients with severe skeletal malocclusion using cone-beam computed tomography: a retrospective observational study

Abstract Background As traditional two-dimensional cephalometric analyses of skeletal malocclusions often fail to capture complex craniofacial variations. Recent advances in three-dimensional (3D) imaging have highlighted the correlation between sella turcica morphology and skele...

Not All Praise Is Equal: How AI Shopping Assistants' Praise Target Shapes Consumer Behavior

ABSTRACT Generative AI has led many e‐commerce firms to adopt AI shopping assistants that advise consumers much as human salespeople do. In offline retail, salespeople often praise either the consumer or the product to encourage a purchase. Although praise is among the most commo...

Toward In Situ ProgrammingLigand Desorption/AdsorptionDynamics of Metal Nanoparticles in Electrocatalysis

Abstract Ligand effects represent a long-last dilemma in metal nanocatalysis, as organic ligand coordination inevitably blocks active metal sites while maintaining structure stability of nanoparticles. To tackle this challenge, we demonstrate herein a supramolecular interaction-a...

Surface-EngineeredMain-Chain Azobenzene-ContainingPolyurethanes: toward Stimuli-Responsive Microstructure and ColorRegulation

Abstract Endowing material surfaces with on-demand, multistimulus responsiveness holds great promise for surface and interface engineering, but remains challenging. Herein, we report a versatile surface-engineering strategy to construct functional surfaces with tailorable microst...

Experimental investigation of the direct shear strength parameters of compacted snow

Abstract. Compacted snow is utilized as a building material in various construction and engineering applications across global high-latitude regions. For the safety assessment of snow and ice structures in cold regions, cohesion and internal friction angle are key shear strength...

MonovalentIon SelectivityIncomparability of GrapheneOxide Membrane in Different Separation Systems: A Microscopic Understanding

Abstract Precise monovalent ion sieving is essential for water treatment and resource recovery. However, ion selectivity reported from diffusion-based and electro-driven membrane processes is often inconsistent and difficult to reconcile due to unclear mechanistic understanding....

Novel Hydrazide-Based Ionic Liquid Aqueous SolutionsRealize CO2 Capture through the Multisite Synergistic Actionof N and O Atoms

Abstract A new strategy for enhancing the hydrazine structure based on the inductive effect and conjugation effect of strong electron-withdrawing groups has been designed to effectively absorb CO2 with hydrazide-based ionic liquids (ILs). All three ILs aqueous solutions (diethyle...

Advances in Smart Responsive Nanofibers for Wound Healing

Wound healing, particularly chronic wound healing, is a complex and dynamically regulated process that is commonly challenged by wound infection caused by the invasion of various bacteria. The emergence of nanofibers has overcome the limitations of traditional wound dressings in...