The proposed algorithm improves traditional DHR architecture by introducing historical credibility and dissimilarity concepts. It achieves higher system reliability by selecting executors with high credibility and dissimilarity as service executors.
Researchers validate and optimize gravity model in megacity region, finding hierarchical structure of inter-city mobility and differences in travel purposes. The study uses mobile phone trajectory big data to calculate gravity model parameters for different travel purposes.
Researchers identify key triggers and active-site theories for dynamic evolution of copper-based catalysts. Strategies for optimizing catalyst performance, including electronic structure tuning and controlling external potential, are discussed.
The study found that Cu0-Cu+ active sites exhibit excellent performance in selective furfuryl alcohol production from furfural. The DFT calculation revealed that Cu+ accelerates the second-step hydrogenation process, while Cu0 reduces the energy barrier for desorption of furfuryl alcohol.
Recent research has shed light on the prolonged La Niña events in the tropical Pacific, which have significant implications for global weather and climate. The study found that the sea surface temperature evolution is determined by a competition between local and remote effects due to subsurface thermal anomalies.
Researchers developed a regional vegetation mapping method based on terrain-climate-remote sensing information to study the impact of climate change on vegetation. The method achieved an overall accuracy of 89.5% and provided high-resolution data for long-term studies.
Researchers analyzed lake sediments to track changes in Tibetan religious activities over the past millennium, identifying three periods of enhanced activity during the mid-Ming Dynasty, late Qing Dynasty, and Republic of China. The study suggests that regional religious practices have a significant impact on ecological environments.
Researchers have developed 2D ultrathin MOL nanosheets for enhanced catalysis, gas separation, and sensing. Active centers on the surface facilitate interaction with substrate molecules.
Researchers propose a novel strategy for producing encrypted messages recyclable using four kinds of self-healable photoswitchable fluorescent polymers. These polymers display rapid photoresponsiveness, high contrast fluorescence switching, and excellent mechanical properties.
This study demonstrates that spraying a compound probiotic fermented liquid into the living environment of piglets can improve their growth performance and immunity. The treatment also modulates the piglets' gut microbiota structure and diversity, increasing the abundance of beneficial bacteria and decreasing Escherichia coli.
Researchers have identified a novel form of ferroptosis triggered by labile iron, distinct from canonical ferroptosis. Mitochondria play a central role in this process, which involves unique gene expression profiles and can be observed in liver tissue subjected to acute iron overload.
The study demonstrates a new approach to boost molecular diffusion by constructing hierarchical Murray zeolites, which exhibit highly ordered and fully interconnected macro-meso-microporous structures. This leads to improved mass transfer of bulky molecules, resulting in enhanced catalytic performance.
Researchers discovered that poly-β-hydroxybutyrate enhances the differentiation of sulfomucin, a key protein in treating diarrhea and colitis. PHB facilitates Lactobacillus johnsonii biofilm formation, promoting probiotic proliferation and alleviating inflammation.
Researchers propose a new method to investigate many-body correlations in quantum systems by ramping physical parameters. The new non-adiabatic linear response theory reveals different correlated behaviors in regimes of superfluid, Mott insulators, and quantum critical regions.
Researchers probed critical behavior of ferromagnetic honeycomb lattice using sSQUID microscopy, revealing frustrated ferromagnetic phase transition in AB-stacked bilayer. The study demonstrates susceptometry's potential for studying spin frustration in 2D materials.
Researchers developed a new organic solar cell material with reduced energetic disorder, leading to improved performance and lower material costs. The non-fused-ring design enables more uniform surface electrostatic potential distribution and smaller intermolecular interactions, reducing non-radiative energy loss.
A novel scheme uses deep reinforcement learning to optimize mode selection and resource allocation in NAFD systems. The proposed scheme improves system performance and adapts to changing user demands, while reducing the cost of collaboration between APs and slices.
The study proposes a bifunctional sulfonated covalent polymer interlayer to regulate Zn2+ desolvation, improving solid-electrolyte interphase formation and orienting crystal planes. High CE values (>96%) and stable performance are achieved in Zn||Zn cells.
A recent study found that high seas shipping accounts for one-third of all shipping emissions, with annual CO2-e emissions reaching 211.60 million metric tonnes in 2019. The study suggests implementing tailored carbon mitigation policies in different high seas regions could reduce emissions by up to 54.36 million tonnes.
Research integrates palaeoecology, phylogeography, and species distribution models to investigate oak refugia and post-LGM distribution development. Mountains in northern and central China acted as refugia during the Last Glacial Maximum, with climate being a primary influencing factor on migration.
Researchers have synthesized the first aromatic chloroosmacyclopentatriene featuring a unique M=ClC bond, characterized by a shortest Os–ClC bond distance among the three types of Os–Cl bonds. The compound has been found to exhibit aromatic properties through DFT calculations.
Researchers discover intrinsic faradaic layer on semiconductor surface exhibits bipolarity under illumination, serving as electron and hole transfer mediators in photocatalysis and photoelectrocatalysis. A new descriptor for solid surface structure is introduced, simplifying the understanding of complex interactions.
This study by Prof. Yong-Fei Zheng examines the operation of plate tectonics, focusing on divergent-convergent coupling systems and their impact on material movement and energy transfer at plate margins. It highlights two key processes for the onset of plate tectonics: subduction initiation and lithospheric rifting.
Researchers investigate RRFL's transient state, revealing a continuous growth curve that differentiates its lasing mechanism from conventional lasers. The build-up time is inversely related to pump power, providing a guideline for achieving wideband dynamic sensing.
Researchers found that geminivirus-encoded βC1 protein activates unfolded protein response (UPR) in host plants, inducing nuclear export of bZIP60 and manipulating downstream genes to promote virus infection. This interaction benefits TYLCCNV/TYLCCNB infection by regulating pro-survival factors.
The PBG group proposes a method using reflective photonic crystal slabs to generate high-conversion efficiency vortex beams without an alignment center. Their theory predicts conversion efficiencies up to 86% in designed reflection-type generators.
The study examines nutrient changes (N, P, Si) in the Changjiang River, which increases anthropogenically after leaving the Tibetan Plateau. The river's nutrient levels are influenced by human activities, with a limited impact from climate variability and reservoirs.
Researchers investigate technologies to interact with the brain at different levels, enabling paralyzed patients to control robotic arms and prosthetics. Deep brain regions are heavily involved in basic life functions, and understanding their activities is crucial for clinical applications.
Researchers designed and fabricated a water wave superscattering device based on degeneracy resonance, breaking the single channel scattering limit. The device achieved enhanced water wave scattering using metamaterials, promising applications in marine energy harvesting and coastal protection.
A study from Wuhan University demonstrates an 'exceptional nexus' that exhibits diverging responsivity and ultra-enhanced signal-to-noise ratio, resolving challenges for sensing applications. This finding opens new avenues for ultrasensitive measurements.
A new catalyst system has been developed for selective and efficient urea production. The catalyst features a multi-heterojunction interfacial structure that enhances high performance by minimizing incomplete charge transfer and suppressing by-product reactions.
This study uses high-quality observations and CMIP6 model data to constrain future solar radiation projections in China. The research reveals that clouds and aerosols cause significant biases in projections, resulting in large uncertainties. Constrained results significantly reduce projection uncertainties by about 56%.
Researchers use coral vanadium data to document prehistoric changes in tropical cyclones and anthropogenic activities. The study found a close relationship between surface wind patterns and vanadium levels, suggesting a potential proxy for documenting past tropical cyclone events.
Researchers design reflection-type polarization-independent phase-controllable anisotropic STCM to realize frequency-polarization-division and space-frequency-polarization-division multiplexed modulation. Experimental validations confirm the practicability of proposed wireless communication architectures, enabling independent and synch...
The FAST telescope has detected unprecedented detail about the distribution of neutral hydrogen gas in the Milky Way, revealing fine structures across 88 square degrees. The team also found evidence for magnetic field reversals along spiral arms and confirmed shell-type supernova remnants.
A new 2D superatomic-molecule theory unifies the aromaticity rule of π-conjugated systems, explaining local aromaticity and stability through superatomic bonds. The theory provides direct chemical insights into the electronic structure of C60 and graphene, enabling band gap engineering.
Researchers developed a Janus carbon electrocatalyst with different heteroatom doping levels on both sides to resolve the trade-off between intrinsic activity and electronic conductivity. The hybrid showed significantly improved activity in hydrazine oxidation reactions compared to single counterparts and physical mixtures.
Researchers developed a novel photocatalyst combining graphitic carbon nitride and sodium yttrium fluoride nanocrystals, extending light absorption to near-infrared region. The hybrid material exhibited enhanced solar harvesting ability and accelerated interfacial charge transfer, leading to improved solar-driven hydrogen evolution rates.
A new method for preparing microwave squeezed vacuum states has been developed using a cavity magnomechanical system, overcoming limitations of existing Josephson parametric amplifiers. The work enables the production of high-quality squeezed states at room temperature with reduced cost and complexity.
Beneficial fungi can transfer carbon sources to plants, promoting plant growth and defense against biotic and abiotic stresses. PIP produced by a rhizosphere fungus was found to be uptaken by Arabidopsis thaliana to enhance immune responses.
Scientists successfully fabricated a topological insulator using 3D metal-printed materials, exhibiting tunable edge transport and robust surface states. The device enables the construction of a monolithic elastic network with potential applications in elastic wave manipulation.
Researchers implemented a four-phase measurement-device-independent QKD protocol to overcome security loopholes in practical devices. The study achieved a secure key rate of 91 kbps over 50 km optical fiber, significantly improving security and transmission distance compared to previous protocols.
Researchers found striking differences in fungal richness and community composition between leaves and soils, with soil fungi being three times more diverse. Plant species identity and phylogeny drive foliar fungal communities, while soil fungi are influenced by plant-phylogeny interactions, climate, and soil properties.
Researchers found galectin-3 upregulation in macrophages following cardiomyocyte-derived IL-18, promoting cardiac inflammation cascades and fibrosis. A galectin-3 inhibitor effectively blocks cardiac injury one day after β-adrenergic insult.
Researchers found that immersion concentration influences Seebeck coefficient, leading to a one-order-of-magnitude increase in thermopower. Intermolecular coupling strengthens with higher packing density, resulting from increased molecular coverage on the gold electrode surface.
Dynamical downscaling enhances climate information over the Tibetan Plateau, improving accuracy in elevation-dependent warming and precipitation variability. Kilometer-scale simulations offer better representation of sub-grid convective processes and lower boundary effects.
Scientists use ensemble-NV-diamond magnetometers to search for new particles and establish experimental constraints on exotic interactions at the micron scale. The discovery has significant implications for cosmology, astrophysics, and particle physics.
A recent study published in National Science Review found that large amounts of methane gas can form during prograde metamorphism in cold subduction zones, particularly in the West Tianshan region of China. The researchers estimated a potential CH4 flux of ~10.8 Mt/y from worldwide modern subduction zones.
Scientists have developed a practical quantum digital signature framework that enables secure communication with confidentiality, authenticity, integrity, and non-repudiation. The framework uses asymmetric quantum cryptography and one-time pad encryption to increase the signature rate by hundreds of millions of times.
Researchers localized a rice grain nutrients locus, NET, that regulates both taste quality and nutrient metabolites accumulation in rice. The study found that the NET locus evolved to balance taste and nutritional quality during rice domestication.