The study of single-particle resonant states in deformed relativistic potentials is essential for understanding exotic short-lived nuclei far from stability. The research team finds that the admixture of s1/2 component determines the occurrence of single-neutron resonant states as functions of the axial deformation parameter.
The proposed community-centric approach addresses the challenge of accessing a large collection of services. By leveraging collective intelligence, users can build applications with less effort and cost, refining their goals according to combined knowledge. A web-based prototype evaluates the approach, providing visual access to servic...
A new model proposes that the cosmic ray knee is caused by interactions between nuclei and photons at acceleration sources, explaining both the knee and recent electron/positron excesses. The model suggests a sharp break in the CR spectra at the knee energy due to rapid energy loss.
Researchers from CAS develop novel tea filter to treat cigarette addiction, identifying theanine as key ingredient inhibiting nicotine addiction. The treatment shows promise in reducing smoking consumption and symptoms, with no apparent side effects.
This study sequenced and assembled nine BACs of giant panda, filling gaps in genomic knowledge and challenging the perception that it's a species at an evolutionary dead end. The data suggests that conservation strategies should focus on restoring wild habitats and maintaining regional genetic diversity.
The study of co-orbital motion in natural bodies, including asteroids and satellites, has significant research value. The authors have developed a new method to design and optimize LISA orbit with an extended applicable region of over 1000 years.
This study investigates the effects of low sulfur diesel fuel on ultrafine particle emissions from a compression-ignition engine. The results show that the fuel reduces both mass concentration and number concentration of particles, which can help mitigate respiratory problems. The composition of nanoparticles emitted from ordinary dies...
A team of researchers discovered evidence suggesting the Paleoasian Ocean closed at the end of the Permian period, about 251 million years ago. The study found mixed flora in Late Permian fossils, indicating plants from China and Siberia coexisted before the ocean disappeared.
The study documents spatial and temporal distributions of atmospheric CO2 over China, with varying levels of human activity influence. Long-term observations show changes in CO2 mixing ratios at multiple sites, shedding light on carbon source and sink distribution.
The study analyzes OES beads from SDG site, concluding that the two pathways of manufacture differed in drilling and trimming stages. The findings suggest prehistoric artisans had excellent skills, using standardized bead sizes to convey messages.
The Chang'E-1 orbiter has provided significant insights into the moon's surface topography, gravity fields, and interior structures. Researchers have discovered impact basins, volcanic deposit highlands, and a massive mascon in the South Pole-Aitken basin.
Researchers propose EIT wave analysis as an alternative approach to measure the solar coronal magnetic field. They demonstrated that the profile of EIT wave propagation velocity can be utilized to probe the coronal magnetic field, potentially unveiling the nature of solar flares and CMEs.
The study found that each of five Chinese vowels has a unique representative peak on excitation patterns determining its phonetic quality. This conclusion explains perception phenomena and the frequency of occurrence of certain vowels in languages worldwide.
A field experiment on a robust hierarchical metropolitan quantum cryptography network was recently conducted in Wuhu, China. The network uses a combination of quantum key distribution and traditional networking techniques to achieve unconditional secure communication.
Researchers controlled cell orientation on a micropatterned surface based on a delicate material technique. The study used photolithography to generate a surface with cell-adhesive stripes in an adhesion-resistant background, allowing for semi-quantitative description of cell orientation.
The study of 33Mg's ground state properties reveals a prolate deformed nucleus with well-reproduced energy and magnetic moment. The time-odd relativistic mean field approach successfully explains the experimental data without introducing parameters.
Research reveals that dynamic semantic network of human language is small-world and scale-free but differs from syntactic network in hierarchical structure and node degree correlation. This discovery sheds light on the organization of human semantic knowledge and cognition.
Researchers developed a method to convert corn stalk biomass into cellulose-hydrogen using anaerobic fermentation. The study found that pretreatment methods significantly impacted the yields of soluble saccharides and hydrogen, with optimal results achieved at 15 g/L substrate concentration, initial pH 7.0, and 36℃.
Recent research on H5N1 avian influenza virus reveals its mechanisms, epidemiology, and transmission dynamics. Understanding the host-virus interaction is crucial for developing effective control measures.
Research reveals genomic imprinting in goldfish shares similarities with mammalian Imprinting, challenging the idea of unique evolutionary event for mammals. The study found parental differential methylation regions in goldfish, indicating a primitive form of genomic imprinting in early vertebrate evolution.
A new review reveals that global monsoons have been driving the long-term cyclicity of oceanic carbon reservoirs for at least 600 million years. The study found a 400,000-year cycle related to the 'long eccentricity' of Earth's orbit, which is linked to changes in oceanic carbon reservoirs and has implications for climate prediction.
Researchers have proposed a novel optical clock concept that enables more stable clocks, sub-natural linewidth laser spectroscopy, and long coherence time lasers. The lasing behavior of the active optical clock is described by the modified Schawlow-Townes linewidth formula, which narrows the linewidth due to collective emission from ga...
The study reveals that the hydrophobicity of NOCTUIDAE moth wings is induced by the multivariate coupling of shape, structure, and biomaterials. The hierarchical rough structure on the wing surface enhances surface hydrophobicity, allowing it to repel rainwater, dew, and dust.
Beijing Institute of Technology researchers developed a unique multi-living agent concept to analyze complex information systems under SRSC environment. They found that analyzing agents' livelihood can determine system behavior well or not.
This study demonstrates novel microstructural transition in Al80.4Cu13.6Si6 ternary eutectic alloy upon substantial undercooling. The primary phase transforms from (Al) dendrite to faceted (Si) block at an undercooling level of 73 K.
Researchers from Northwestern Polytechnical University discovered novel microstructural transitions in the Al80.4Cu13.6Si6 ternary eutectic alloy upon substantial undercooling. The study highlights the importance of understanding rapid solidification mechanisms and microstructure formation for this widely used material.
Researchers predict regional summer monsoon rainfall in China up to 2 seasons ahead by analyzing Pacific SSTA and STA signals. The subtropical summer monsoon has shown a long-term increasing trend, but southern regions have experienced a deducing trend since 1998.
Researchers developed a precise orbit determination method for the Jason-1 satellite using on-board GPS data, achieving centimeter-level accuracy. The study found that the method provided highly accurate GPS-based solutions, with systematic biases between POE and orbit solutions and SLR residual statistics.
The Cenozoic uplift of the Qinghai-Tibet Plateau occurred in two phases, with intense tectonic activity mainly in South Tibet and West Kunlun. This study reveals a significant geomorphologic reversal since early Miocene, resulting in the plateau's current E-W tilting pattern.
The DRD theory presents a guide for designing multi-valued computers by combining operation-basic-units (OBUs). This allows for the implementation of n-valued LUs with only realizing n×n×(n-1) OBUs. The theory also simplifies software algorithm design and reduces complexity, enabling the creation of new types of computers.
Researchers found that the DE3 tide can propagate above 100km and exhibits a 2-year cycle oscillation. The tidal signal was analyzed using TIMED mission data, revealing two dominant Hough modes with annual unimodal distribution.
A study investigates the impact of femtosecond laser-induced damages on olfactory ensheathing cells, revealing that cellular activity can be controlled easily. The research suggests four reasons for the formation of femtosecond laser-induced calcium waves and proposes cell damage and recovery mechanisms.
A systematic review of carbon nanotubes' cytotoxicity found that various factors affect CNTs' toxicity, including species, impurities, lengths, and assaying methods. The study emphasizes the need for more complete characterization and determination of cell viability to ensure safe application of CNTs.
Researchers used repeating microearthquakes to estimate the deep slip rate of the Lijiang-Ninglang fault, yielding a value of 5 mm/yr at 23 km depth. This discovery provides a new method for inferring slip rates along active faults and sheds light on earthquake recurrence.
This study measured contrast sensitivity in individuals with different levels of visual acuity, revealing stark differences in color frequency and brightness. The results showed that contrast sensitivity values increased significantly as visual acuity improved, particularly for spatial frequencies above 1 cpd.
Phycologists and algal biotechnologists in China are addressing pressing issues in algae research, including resource exhaustion and environmental impact. The country's largest seaweed cultivation industry has become a crucial driver of innovation and growth in the field.
The study analyzed the angular rotation of gecko joints during locomotion on horizontal surfaces, revealing spatio-temporal rotation trajectories. It also compared the movement patterns of geckos on vertical walls, showing differences in joint angles and limb phases.
Researchers used a VHF radio interferometer system to study cloud-to-ground lightning flashes, revealing new characteristics and progression speeds of different types of leaders. The system allows for microsecond-order time and space reconstruction, enabling detailed analysis of lightning flash processes.
Researchers detected large gas reservoirs in mid-crust rocks using seismic method, contradicting conventional wisdom about gas-anomaly locations. Gas-filled tiny fissures in rocks cause significant decrease in seismic wave velocity.
The study found that magnetized water exhibits magnetism, a saturation effect, and memory properties. New phenomena, such as irreversible infrared absorption and exponential UV absorption, were also discovered. These findings support the theory of magnetization of water proposed by Professor Pang Xiao-Feng.
This special issue explores the fundamental research of new-generation Internet architecture, addressing major technical challenges such as scalability, security, and high-performance. The studies aim to provide theoretical foundations and scientific-proof support for solving these challenges and carry out technological innovation.
Papers in this special issue cover data analysis and investigations of the Double Star Program, as well as CMEs, Solar wind, and magnetosphere topics. The conference brought together prominent researchers, including Z.X.LIU and S.T. WU, to share their latest findings on solar and magnetospheric physics.
Scientists have discovered a new mineral, xieite, with a post-spinel structure in the Suizhou meteorite. The mineral is a high-pressure polymorph of chromite-spinel with a density about 10% denser than chromite.
This study investigates the 3D rupture conformations of a surface fault under biaxial compression, revealing three stages of crack growth and introducing the concept of anti-wing cracks. The results provide fundamental understanding of surface fault propagation and have significant implications for future studies on active fault movement.
Numerical simulations of nutrient transport changes in Honghu Lake Basin revealed that human activities increased rapidly and became a dominant factor in changes of the nutrient transportation. The study found variations in nutrient production and concentration, with increasing rates of eutrophication over time.
The coercivity mechanism of HDDR Nd-Fe-B permanent magnetic alloy is greatly related to its microstructure defect at the grain boundary, according to the study. For a fixed lex, coercivity reaches maximum at 2r0/lex=1.67, controlled by pinning and nucleation mechanisms.
The study reveals that the Liujiang brain shares morphological features with modern humans, including a round shape and enlarged frontal lobes. The virtual endocast also shows a high brain capacity, suggesting a Late Homo sapiens classification.
Researchers have discovered wheel-shaped structures with octa- and enneacoordinate planar cobalt, iron and nickel centered in perfect octagonal and enneagonal boron rings. The stability of these structures is attributed to the contribution from two kinds of orbitals, resulting in aromaticity with six delocalized p electrons.
The discovery of Eoconfuciusornis zhengi provides evidence for the evolution of Confuciusornithidae family and its link to early avian flight. The fossil's unique features, such as increased deltopectoral crest size and keel, indicate a significant adaptation for improved flight capabilities.
The study found that key codons responsible for antigenic drift were identified in the HA1 gene of H3N2 influenza viruses. The mutations occurred over eight flu seasons and affected four times of antigenic drift in Fujian, China.