High crop species richness suppresses pest populations, indicating a positive relationship between crop diversity and biological control. The study found that crop diversity enhances the natural enemy-pest ratio, leading to improved pest control on EMS using microlandscape.
Novice and experienced drivers show distinct differences in lane keeping performance, with experienced drivers better controlling vehicle position. The study suggests that driving experience affects cognitive skills such as perception, decision, and memory.
Researchers have identified a new model-independent feature in the α-preformation probability trend, which is critical to understanding nuclear structure. The study found that the relative trend in α-preformation probabilities for an isotopic chain is consistent across different theoretical models.
Researchers discovered that bacteria and algae played a crucial role in the disappearance of coral-stromatoporoid reefs before 370 Ma, leading to insights into modern coral bleaching. This study sheds light on the devastating impact of blooming bacteria and algae on ancient reef ecosystems.
A recent study reveals that grassland fencing is threatening the survival of wild ungulates in Asia. The fencing has restricted their movement and reduced their habitat, making it harder for them to migrate and find food. This can lead to genetic isolation and increased extinction risk.
A recent study found that lack of ventilation, gas cooking fuel, dampness, new furniture, and certain flooring materials are associated with an increased risk of pneumonia among children in modern apartments. The research also suggests that family allergies and non-parental childcare can contribute to the development of pneumonia.
A new colorimetric detection technology can quickly identify illegal cooking oils using phase transfer technology, with an accurate rate of 95.7% in blind tests. The method is a cost-effective process and has high application potential in civilian fields.
Researchers used detached-eddy simulations to study new vortical flows over a 76/40 double delta wing, finding a new type of cross-flow vortex that differs from other vortices. The vortex is caused by cross-flow instability and can cause local pressure distribution deviations.
A recent study found that indoor environment factors, such as lack of ventilation and gas cooking fuel, significantly increase the risk of childhood pneumonia. The study, conducted in Nanjing, China, suggests that modern life style and home environment play a crucial role in developing pneumonia infections among children.
Researchers have developed a novel trophallaxis network control method for formation flight of multiple UAVs, which enables efficient information transfer and coordination. The new strategy has the potential to improve the stability and performance of UAV formations in various applications.
Scientists discover fossilized skull of Sinotherium lagrelii, a transitional taxon between Elasmotherium and other elasmotheres. The discovery provides new insights into the origin of the unicorn-like horn and sheds light on the evolution of giant elasmotheres.
Recent research has made significant progress in developing gene-sensing techniques for rapid detection of foodborne pathogens, such as Listeria monocytogenes. These methods, like the novel in situ ECL detection system, utilize electrochemiluminescence and microfluidics to achieve high sensitivity and specificity.
Researchers have developed a new coupled numerical hydrodynamic water quality model to simulate dynamic changes in river water quantity and quality. The model was validated in the Luan River Basin, showing accuracy requirements were met for both water level and flow data, as well as water quality characteristics.
A novel avian-origin H7N9 influenza virus was found to show rapid evolution, with several viruses circulating in Hangzhou. The virus's pathogenesis in humans remains unknown, but substitutions have been identified as potential pathogenicity factors.
A recent study found that urbanization significantly affects surface warming in eastern China, particularly in the Yangtze River Delta (YRD) region. The study revealed a remarkable summer warming rate of 0.132-0.250°C per decade, accounting for 36%-68% of regional warming. In contrast, the Beijing-Tianjin-Hebei (BTH) region experienced...
The study highlights the importance of considering chiral POPs' individual toxicities and sources in assessing environmental risks. Enantiomeric ratio and fraction are used as tracers, revealing altered EF values in organisms and environmental matrices.
A new composite nanoparticle material, silica nanorattles @ gold nanoparticles (SN @ GNs), has been developed for biological imaging. The silica shell reduces the toxicity of gold nanoparticles, increasing their maximum tolerated dose to 200 mg/kg. This innovation provides a promising approach for cancer diagnosis and treatment.
Researchers found that live poultry markets were the primary source of the novel H7N9 influenza virus. The viruses originated from avian H9N2 viruses but acquired human receptor-binding specificity, contributing to their virulence and lethality in humans. Strong measures are recommended to prevent a possible pandemic.
Researchers developed novel converters for Bulk-Micromegas detectors, increasing neutron detection efficiency by threefold. The new design enables 2D neutron beam monitoring with low detection efficiency detectors.
Researchers have found that basin sediments recorded the formation process of the Dabie orogen, providing crucial information on subduction and rapid exhumation. The study suggests a gradual transition from shortening to extension during the Mesozoic era, with the depth of exhumation increasing eastwards.
Household carbon emissions in Northwestern China are mainly affected by geographic environment, family size, and income, with a relatively low per capita emission of 2.05 tons CO2. Household carbon emission varies between urban and rural households, as well as between provinces.
A low-carbon hybrid energy system is proposed to integrate coal with nuclear, wind, solar, biomass, and hydro power to reduce CO2 emission and recycle carbon. The system utilizes carbon recycling to produce useful materials while increasing energy efficiency.
Researchers report a gigantic jet event over a thunderstorm in mainland China, with a tree-like shape and unique storm characteristics. The study uses multiple data sets to analyze the event and its associated storm.
Topological insulators have surface states that are conducting and possess unique properties, including the Aharanov-Bohm effect. Hybrid structures with superconductors show promise for new physics and technological applications, such as Majorana fermions and fractional Josephson effects.
A new method uses static code analysis to guide test case generation, detecting common types of concurrency errors. It outperforms existing methods by integrating dynamic analysis and minimizing false positives.
The COMPASS satellite navigation system achieves millimeter-level accuracy for GPS static points and meter-level accuracy for real-time users. However, systematic offsets exist between COMPASS and GPS precise positioning, indicating errors in measurement and dynamic models.
Researchers propose novel protocol structure model to analyze and verify service-oriented systems, incorporating dependencies for synchronous, asynchronous, and broadcast communications. The model combines features of partial orders and Petri nets to tackle complex software development challenges.
The special issue covers 17 review articles on various spintronics topics, including magneto-electronics and semiconductor spintronics. It aims to introduce the framework of spintronics and stimulate new ideas by showcasing domestic research results.
A recent study used bird watching records to build the first bird watching database in China, finding new national-level records and a trend of species moving to higher latitude and elevation regions. The database provides valuable data for scientific research on ecosystem health and biodiversity.
A new anti-windup design paradigm was developed to improve control system performance in the presence of actuator saturation. The triple loop anti-windup design outperforms other methods, demonstrating stronger ability to recover nominal closed-loop performance.
Researchers discover engraved stone artifact in northwest China, providing evidence of human symbolic and cognitive capabilities during the Late Paleolithic era. The find, dated to approximately 30 ka BP, suggests that humans in East Asia may have possessed complex communicative systems, including language.
Researchers developed a large dynamic, reconfigurable, distributed I-ROF system to meet the growing demand for broadband and ubiquitous information access. The system offers flexible wireless access and fiber-optic broadband transmission, providing effective solutions for modern information society.
Recent studies have elucidated the mechanisms of lanthanide biological actions, indicating that these metals can alter neural functions. High doses and chronic exposure are associated with neural system damage, particularly in pregnant and lactating animals.
A novel imaging method based on SISAR is proposed to extract the target profile accurately in forward scatter radar (FSR). The method can effectively deduce the target type, such as a cruise missile or unmanned aerial vehicle. Simulations are conducted to evaluate the validity of the algorithm, showing promising results for stealth tar...
Researchers propose a continuum-based model that illustrates contact line pinning at phase interfaces between materials, differing from traditional Wenzel and Cassie models. The study shows the macroscopic contact angle depends solely on the triple contact line's properties.
The study provides a comprehensive review of the Yuzhou Flora, recognizing 111 genera and 307 species from 40 fossil plant layers. The authors propose hypotheses on evolutionary trends in leaf structure and venation patterns, as well as a new morphotype classification scheme for Gigantopteridales.
The North China Craton's thin lithosphere and signs of thermo-tectonic reactivation challenge the traditional view of a stable cratonic lithosphere. The concept of 'craton destruction' has been widely accepted, influencing understanding of intraplate magmatism and continental evolution.
Soil respiration in China varies significantly across regions, with the highest rates found in southeastern China and lowest in northwestern China. Precipitation and temperature also play a crucial role in controlling soil respiration, with increasing variability expected under warming scenarios.
Researchers from Chinese Academy of Sciences and Tsinghua University presented additional, previously unknown geometries corresponding to all possible kinematical algebras. These geometries are classified into three relativistic geometries, absolute-time geometries, and absolute-space geometries, each with unique properties.
Researchers enhance local electric fields around nanorods using metal grooves to improve surface-enhanced Raman scattering (SERS) intensity. The nanorod-groove system produces larger electric fields than individual nanorods or traditional systems, increasing SERS sensitivity and accuracy.
Researchers at IMUT have developed a method to analyze nanoscale deformation fields of a crack-tip, mapping pure shear strain at the atomic scale. The study provides new insights into fracture mechanics, paving the way for further research on dynamic crack-tips and various materials.
The proposed algorithm generates feature sensitive non-uniformly distributed discrete sample points for underlying point sets. It uses a Gaussian sphere-based sampling scheme to simplify the point set surfaces, and then applies an adaptive re-sampling framework to generate the desired samples.
Scientists discovered Lepidopteris baodensis, a 251-million-year-old seed fern with subepidermal swellings that may have allowed it to survive in hot, arid environments. The finding expands knowledge of the genus' biology and taxonomy, as well as its relationship to other plant species.
Researchers found that genes are only moderately sensitive for cadmium and zinc, but can be a more sensitive indicator for copper. The study suggests that genes may not be the best early warning indicator of ecological risks, contrary to previous assumptions. Further investigation is needed with more data.
A pre-cracked parallel-plate capacitor model is developed to analyze the role of electrostatic tractions in fracture and electric sticking behaviors. The study reveals a new fracture criterion based on energy release rate and crack opening, showing bifurcation behavior between mechanical and electric displacements.
Sparse microwave imaging combines sparse signal processing theory with microwave imaging to improve resolution and reduce system complexity. The new concept enables faster calculation of large-scale scenes, making it suitable for wide mapping swath applications.
Researchers propose a structure-aware image stylization method to generate artistic effects using single digital images as input. The approach preserves fine structure details and executes efficiently in real-time for large resolution images on a GPU, enhancing users' immersive feelings and recognition speed.
Researchers present SCautz, a hybrid intra-container network for modular datacenters, achieving high throughput and improved fault tolerance. The design combines base Kautz topology with redundant commercial switches, reducing costs while maintaining performance.
Researchers explore dark energy's impact on the Universe's fate, citing a 'big rip' scenario as a possibility with predicted timelines for object destruction. The study uses the Ma-Zhang parameterization to forecast the evolution of the Universe.
The evolutionary block cipher outperforms known cryptosystems in resisting both linear and differential attacks by introducing evolving encryption algorithms. This design feature enhances the system's security and efficiency, making it a promising solution for modern cryptography.