Hangzhou Normal University

Rice Cropping Pattern Mapping Using GEE-Based Sentinel-1/2 Time-Series Imagery and Machine Learning

Accurate mapping of rice cropping patterns is fundamental to sustainable agricultural management and regional food security assessment. In this study, we developed a high-precision mapping framework for major rice cropping patterns in the Yangtze River Delta region, China, using...

Assessing coastal flooding risk in newly reclaimed areas under the influence of relative sea level rise and multiple drivers

Sea level rise, combined with extreme coastal flooding, poses a significant threat to the socio-economic development of coastal areas. Meanwhile, some coastal cities are increasingly reclaiming land seaward to address urban land pressure. However, existing studies have rarely ass...

Sludge retention time governs microbial selection and metabolic traits in glycerol-driven denitratation under fixed carbon limitation

Stable glycerol-driven denitratation requires a robust feast–famine selection pressure, which is difficult to maintain in low-strength mainstream wastewater. This study investigated sludge retention time (SRT) as an operational lever for reinforcing this selection pressure and el...

Tricolor soliton molecules in synchronous mode-locked fiber lasers

Tricolor soliton molecules (TSMs), bound states of optical solitons with three distinct carrier frequencies, exhibit distinctive synchronization stability and intricate nonlinear interaction dynamics in synchronous mode-locked fiber lasers. In this work, we experimentally demonst...

Privacy‐Preserving Achieving Average Consensus for Multi‐Agent Systems via Partial Information Transmission Against Curious Nodes Collusion

ABSTRACT This paper investigates the privacy‐preserving average consensus problem in multi‐agent systems against collusive attacks, with the core objective of achieving accurate average consensus while protecting the privacy of agents' initial states. Existing methods are mostly...

Noise-Robust Distributed PV Power Prediction with Sampling-Noise Awareness

This paper presents a forecasting strategy for distributed photovoltaic (PV) systems using the echo state network (ESN), aiming to improve forecasting performance with data noise at sampling points of dispersed PV data collection devices. In real-world scenarios, noisy and non-no...

High-capacity dual degrees of freedom quantum secret sharing protocol beyond the linear rate-distance bound

Quantum secret sharing (QSS) is a multipartite cryptographic primitive. Most existing QSS protocols are limited by the linear rate-distance bound and cannot realize long-distance and high-capacity multipartite key distribution. This paper proposes a polarization (Pol) and phase d...

MFR, SVR and ASVR as promising biomarkers in overweight and obese population with obstructive sleep apnea syndrome: insights from an observational study

Background Obesity is an important risk factor of obstructive sleep apnea syndrome (OSAS), but not all obese people can develop OSAS. The role of novel human body composition indices—muscle-to-fat ratio (MFR), skeletal muscle mass-to-visceral fat area ratio (SVR) and appendicular...

NHC-Catalyzed Asymmetric [4 + 2] Annulation of 2-Methylindole-3-Carbaldehydes to Spiro Indole-Fused Heterocycles

Abstract Indole-fused heterocyclic compounds play a crucial role in drug development. Cycloaddition reactions represent an effective strategy for the construction of such compounds. While indole derivatives often serve as C3 synthons in these reactions, there are relatively few e...

Classification of magnetism and altermagnetism in quasicrystals

Altermagnetism (AM), an unconventional magnetic phase characterized by zero net magnetism protected by symmetry(s) other than parity-time ( \({\mathcal{P}}{\mathcal{T}}\) ) and a resulting spin-split band, has been studied exclusively in crystalline materials. Here, we extend the...

Thermogenic adipose tissue as a therapeutic target: from human heterogeneity to pharmacological translation

Thermogenic adipose tissue, including classical brown adipose tissue (BAT) and inducible beige adipocytes, has re-emerged as a promising therapeutic target in the obesity field. Because BAT can convert chemical energy into heat while also playing a role in regulating systemic glu...

A CCCTC-binding factor (CTCF)-fatty acid desaturase 1 (FADS1) axis regulates oncogenic energy metabolism in hepatocellular carcinoma

CCCTC-binding factor (CTCF) is a highly conserved DNA-binding protein crucial for 3D genome organization and gene regulation. Previous studies have shown that CTCF overexpression in hepatocellular carcinoma (HCC) is associated with poor prognosis. This study aimed to elucidate th...

Natural variation in SL6 determines fatty acid components and seed longevity in rice

Seed longevity (SL) is vital for ensuring food security worldwide. However, the genetic basis of SL has been scarcely documented. Here, we report the cloning of a major SL locus, qSL6 , encoding a fatty acyl-ACP thioesterase type B. SL6 is functionally conserved in regulating pal...

Confined Predesolvation in a Yolk–Shell Metal–Organic Framework Interphase Enables Reversible Lithium-Metal Anodes

Abstract Artificial interfaces for lithium-metal anodes typically regulate nucleation after Li+ desolvation, while the preceding solvation-to-interface transition remains poorly controlled. Herein, we show that a yolk–shell H-Fe3O4@ZIF-67 interphase can act as a confined predesol...

Excitation of acyclic trisubstituted alkenes via triplet energy transfer for diastereo- and enantioselective [2 + 2] photocycloaddition

Photochemistry offers a powerful platform for enabling unique bond cleavage and formation. However, achieving precise stereochemical control while suppressing persistent racemic background reactions remains a fundamental challenge in this field. Herein, we report a highly enantio...

From creation to dissemination: a lifecycle-based evaluation of AI guidance policies in health-related journals

Abstract Background The rapid integration of generative artificial intelligence into health sciences research has prompted major advisory bodies to establish ethical guidelines governing AI use in scholarly publishing. However, practical implementation at the journal level remain...

Emerging nitrogen-driven urban atmosphere control on aerosol iron dissolution for biogeochemical cycles

Iron (Fe) is a critical micronutrient regulating marine productivity and the global carbon cycle, yet its atmospheric dissolution mechanisms remain debated for biogeochemical cycle. The prevailing “iron-sulfur coupling” paradigm has traditionally explained proton-promoted dissolu...

The Effects of High-Definition Transcranial Alternating Current Stimulation (HD-tACS) on Dual-Task Performance and Upper-Limb Multi-Joint Motor Control

This study investigated the effects of high-definition transcranial alternating current stimulation (HD-tACS) on cognitive–motor dual-task performance and upper-limb multi-joint motor control. Sixteen right-handed healthy male participants completed a double-blind, randomized cro...

Controlled Self‐Assembly of Polydiacetylene Photoswitches Toward Multi‐Stimuli Responsiveness and Anticounterfeiting Functionality

ABSTRACT Achieving precise control over the aggregation and dispersion behavior of photopolymerizable systems in response to external stimuli remains a significant challenge, which has hindered the realization of a single supramolecular platform for programmable multi‐optical out...

Convenient Determination of Trace Methylcyclosiloxanes in Water by Vortex‐Assisted Small‐Scale Liquid–Liquid Extraction and GC–MS Analysis

ABSTRACT Rationale Volatile methylcyclosiloxanes, particularly octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5), and dodecamethylcyclohexasiloxane (D6), are commonly found in the environment and have gained significant attention as emerging contaminants. Howev...