Researchers develop a new composite coating method using liquid plasma-assisted particle deposition and sintering, achieving improved thermal protective performance. The NbSi2/HfC-HfO2 composite coating shows significant hot corrosion resistance and high-temperature oxidation resistance.
Researchers developed an innovative coating technology using alternating vapor/liquid phase deposition, achieving a teak-like biomimetic structure that optimizes mechanical properties and corrosion resistance. The coating's composition, structure, and nanoscale dimensions can be finely controlled through heat treatment processes.
A new study assesses the role of standing dead trees in contributing to wildfire risk in Yellowstone National Park. The research found that about 40% of the park is experiencing moderate to high levels of tree mortality, particularly near roads, trails, and buildings.
The study identified 76,077 viral RT sequences from global metagenomes, with a significant proportion derived from the human gut, emphasizing their critical role in maintaining gut microbiota stability. The analysis revealed seven evolutionary clades of viral RTs, including new clades suggesting unexplored functions.
APTE 2025 focuses on emerging solutions to address transportation challenges while promoting inclusivity, reliability, and sustainability. The conference invites submissions on a broad range of topics related to transportation and the environment.
A novel disturbance rejection optimal guidance method has been proposed to enhance precision landing performance of reusable rockets. The method combines adaptive optimal steering and disturbance attenuation, allowing for improved accuracy and reduced propellant usage.
iEnergy's inclusion in ESCI recognizes its high-quality research output, covering topics such as renewable energy and power systems. The journal has published 124 papers from leading researchers worldwide, attracting citations from top journals in the field.
Researchers synthesized dual-phase medium-entropy diboride-carbide UHTCs, demonstrating improved hardness and Young's modulus due to metal element exchange. The composite design enhances complementary properties, making them suitable for thermal protection structures in hypersonic vehicles.
Researchers have identified β-nitrostyrene derivatives as potential quorum sensing inhibitors for biofilm inhibition and antivirulence factor therapeutics against Serratia marcescens. The study found that one compound, m-NPe, reduced biofilm formation by 79% and disrupted biofilm architecture.
Heavy-ion irradiation improves FR901379 synthesis in Coleophoma empetri, with high-yield mutants exhibiting distinct morphology and fermentation characteristics. The use of nonhomologous end-joining deficient strain increases diversity of mutagenesis libraries.
A team of scientists has introduced a novel basic detonation flow field, the Axisymmetric Inward Turning Curved Detonation Wave (AIT-CDW), which boosts compression capabilities and accelerates gas ignition. The study highlights the importance of geometric parameters in maintaining stable combustion processes.
A new study reveals how doline topography supports diverse plant communities and act as biodiversity hotspots. Doline bottoms exhibit the highest functional and phylogenetic diversity.
A research team at Tsinghua University Press has developed a sequential control policy framework that offers high success in multiple peg-in-hole assembly tasks. The framework improves robots' performance by adapting to different working scenarios, including object geometry and pose, with higher training efficiency and faster convergence.
Researchers developed novel vanadium-based zircon ceramics using a high-entropy strategy, achieving optimal microwave dielectric properties including low εr and high Q×f values. The ceramics exhibit improved structural stability and binding forces due to the high-entropy effect, making them suitable for high-performance microwave devices.
The Cul3/Diap2/Dredd axis plays a crucial role in mediating Drosophila's antimicrobial immune defense. The study identifies Cul3 as a key regulator of this pathway, enhancing the E3 ubiquitin ligase activity of Diap2 and regulating the ubiquitination modification of Death-related caspases.
The Journal of Intelligent and Connected Vehicles has been officially included in the ESCI, a core collection of the Web of Science under Clarivate Analytics. The journal's CiteScoreTracker 2024 is currently at 11.0, indicating its growing impact factor.
COMMTR has been officially included in both the Science Citation Index Expanded (SCIE) and the Social Sciences Citation Index (SSCI), achieving a first Impact Factor of 12.5. This dual inclusion signifies that the journal meets stringent criteria for quality, influence, international presence, and standardization.
Researchers from Tsinghua University proposed a Ram-Rotor Detonation Engine (RRDE) that improves on existing detonation engines. The RRDE uses a rotating rotor and stationary casing to create a stable detonation wave, achieving high pressure gains and efficiency.
Researchers have discovered a series of CrxTi0.75Mo0.75V1.5−xAlC2 MAXs that exhibit unprecedented structure transitions and increased configurational entropy. The new materials show improved mechanical, electrical, and thermal properties, including high Vickers hardness and low thermal conductivity.
Researchers have identified the synergistic effect of He ion irradiation and molten salt corrosion on silicon carbide (SiC) materials, revealing a key mechanism for the corrosion process. The study provides essential data for safe use of SiC in MSR reactors and offers fundamental insights for developing SiC fiber-reinforced composites.
Ver-A exhibits broad-spectrum antifungal activity, inhibiting the sexual mating of sugarcane smut spores at a concentration of 8 μg/mL. The compound also shows efficacy in controlling sugarcane smut disease by disrupting the expression of genes involved in pheromone synthesis and mating type recognition.
Researchers examine various strategies to enhance densification at reduced temperatures, including powder synthesis methods and post-sintering treatments. These advancements aim to revolutionize the field and increase scalability and commercial viability of solid oxide cells.
A new material with ultra-low thermal conductivity, oxygen ionic conductivity, and excellent mechanical properties has been discovered. It is expected to be a candidate for a new generation of thermal barrier coating materials.
Researchers developed a new design approach for high-entropy fluorite oxides with low thermal conductivity by increasing mass and size disorder and adjusting oxygen vacancy levels. The approach, proposed by Cuiwei Li, emphasizes careful consideration of high-valence cation content.
Researchers have developed a BNT-based ceramic with high discharge density and energy efficiency, achieving 91% efficiency with a recoverable energy density of 2.1 J/cm³ at low electric fields. The team attributes this improvement to defect-induced phase competition between tetragonal and pseudo-cubic phases.
This special issue aims to celebrate and amplify the voices of women scientists in transportation, highlighting their groundbreaking research and insights. It seeks to promote gender equality and encourage more women to pursue careers in transportation research and development.
A new study uses machine learning to predict pedestrian crash frequency by severity levels, providing insights for road authorities to prioritize actions. The research demonstrates a significant increase in performance compared to conventional methods.
A recent study suggests that gastroesophageal reflux disease (GERD) may influence key cardiovascular risk factors, including blood pressure and lipid profiles. The research found a strong association between GERD and elevated blood pressure and increased levels of low-density lipoprotein cholesterol.
Researchers developed a cobalt-antimony (CoSb) intermetallic catalyst that selectively produces propylene with 97% efficiency, surpassing reference values. This breakthrough could optimize the scalability and affordability of propylene production, reducing waste and resources.
Researchers examine how fleet size, user demand, regulatory policies, and economic factors interact in shared micromobility fleet development. Financial incentives like fee reductions and government subsidies increase user adoption and profitability, while careful operational fee management maintains service appeal.
Researchers examined how fleet size, user demand, regulatory policies, and economic factors interact to shape shared micromobility systems. Financial incentives, such as fee reductions and government subsidies, significantly increase user adoption and profitability.
The study introduces ϵ-controllability and its testing method for datatic control systems, extending traditional controllability to a point-to-region form. A tree search algorithm called MECS is proposed for testing ϵ-controllability of datatic control systems.
Scientists have discovered a new genus, Neodiderma, with 11 new species within the Didymiaceae family. Phylogenetic analysis reveals that Neodiderma represents a transitional group between Didymiaceae and Physaraceae.
Researchers develop a vanadium-doped spinel-layered structure that enhances initial Coulombic efficiency to 91.6% and voltage stability, making it suitable for high-energy applications. The study addresses long-standing issues in lithium-rich manganese oxides, paving the way for next-generation lithium-ion batteries.
Researchers have developed an aqueous battery that operates efficiently in sub-zero temperatures using photothermal current collectors and suspension electrodes. The system generates heat from sunlight, raising the battery's core temperature to maintain stable performance in cold climates.
Researchers investigated the effect of tool corner radius on chip formation in Zr-based bulk metallic glass (BMG) machining. The study found that increasing the corner radius leads to an increase in serrated frequency and secondary shear bands within individual sections, affecting surface quality.
Scientists report a rare fungal pathogen, Sporopachydermia lactativora, causing the first recorded case of fungemia in China. The fungus is resistant to echinocandins, increasing treatment challenges.
Thirteen new species of Ramaria fungus were identified in Shanxi Province, northern China, through multigene phylogenetic analysis. The species are characterized by intricately branched and vividly colored basidiomata, and were described and illustrated in the study.
Research has made significant progress in fluoride laser ceramics, offering improved performance and applicability as laser gain media. However, future research should focus on optimizing optical quality, reducing preparation costs, and exploring new matrix materials and rare earth ion-doped compounds.
Researchers developed boron-containing Si3N4/Si ceramics with enhanced hardness and fracture toughness, exhibiting potential for structural applications. The addition of boron suppresses phase transformation and improves oxidation resistance.
Researchers investigated Nervonic acid's efficacy in treating ischemia/reperfusion and poststroke events in a rat model, showing significant reductions in infarct area and neuronal swelling. NA also improved depressive-like behavior in rats through the upregulation of Brain-Derived Neurotrophic Factor and Myelin Basic Protein genes.
Researchers from Tsinghua University Press propose a novel simulation platform for on-demand ride service operations, providing a fair and public test bed for comparing optimization algorithms. The simulator efficiently tests various tasks related to on-demand matching, idle vehicle repositioning, and dynamic pricing.
A review of carbon anodes for lithium-ion batteries highlights the importance of regulating the graphite interphase for high efficiency and stable performance. The research team notes potential future developments in carbon-silicon composite anodes and optimization of carbon-lithium metal composite anode.
A literature review identifies factors influencing material microstructure evolution during Arc wire-based DED. Novel techniques like interlayer forging and ultrasonic impact enhance material properties, reducing defects and improving microstructure.
The tube spinning process offers distinct advantages, including lower forming load, heightened accuracy, and surface finish. It has been applied to various materials, such as magnesium alloy, aluminum alloy, and composite materials, to form hollow rotary components.
Researchers created flexible and resilient SiOC amorphous nanofibers through electrospinning, exhibiting excellent thermal insulation, remarkable flexibility, and impressive compressive resistance. The fibers show potential for thermal and microwave protection applications.
A team of material scientists led by Peng Wu from Kunming University of Science and Technology, China, has developed a novel microwave-infrared compatible stealth material using 8YSZ coatings. The coating exhibits strong microwave absorption and low infrared emissivity, making it suitable for improving fighter aircraft security.
A team of scientists conducted a systematic review of tool wear monitoring based on audible sound signals, highlighting four promising research directions. They found that the use of microphone sensors presents a promising strategy due to its ease of installation and adaptability in measurement.
Researchers developed a flash sintering treatment to rapidly fabricate oxygen-deficient zirconia, reducing band gaps and introducing mid-gap states that enhance optical absorption and photocatalytic activity. The process is simple, cost-efficient, and suitable for industrial production.
This study reveals that catalytically active prokaryotic Argonautes employ phospholipase D family proteins to strengthen immunity against different genetic invaders. The AgaP system, composed of Ago and AgaP proteins, restricts plasmid transformation and provides effective immunity against viruses.