The traditional 24 Solar Terms are being upgraded with new, geographically correlated models using big meteorological data. The updated system reveals inconsistent timing and spatial inhomogeneity between the old and new systems.
Researchers aim to unravel the underlying physical mechanisms driving SST warming in the Yellow Sea and East China Sea. Despite various studies, a consensus on the dominant mechanism remains elusive due to limited data and conflicting explanations.
A new experiment demonstrates that photons' nature is pre-existing, as described by wavefunctions. This finding clarifies the role of wavefunctions in quantum entities' evolution, confirming physical reality and nonlocality of wavefunctions.
Recently developed nanosized and hierarchical SAPO-34 catalysts show significant advantages in the MTO process, enhancing mass transfer and decreasing coke formation. The review summarizes state-of-the-art synthesis strategies for these catalysts.
Researchers developed a novel localized orbital scaling correction (LOSC) framework to eliminate delocalization errors in density functional theory. The LOSC function achieves size-consistent removal of errors, improving the accuracy of Kohn-Sham calculations, particularly for large systems.
A recent study reveals that the Gobi Desert is a significant contributor to East Asian dust concentrations, with approximately 35% of its emissions transported to remote areas. In contrast, the Taklimakan Desert's dust particles are less likely to be transported due to its geographical location and wind patterns.
The study introduces the adjoint method to combine NPS term and initial condition inversion, improving model accuracy. The results show that assimilating NPS term is more important than initial value, and the model can be generalized to other regions.
Researchers have successfully grown single crystalline films of perovskite CH3NH3PbI3 on electron-collecting substrates, exhibiting excellent photovoltaic properties. The resulting devices achieve high efficiency rates, closing the gap with traditional silicon-based solar cells and offering a promising solution for renewable energy.
Researchers have developed a new system of medical terms based on the Twenty-four Solar Terms (24-STs), allowing for more precise and location-specific treatments in Traditional Chinese Medicine. The system uses geographically dependent timings to optimize treatment effectiveness, making it a significant contribution to the field.
Researchers successfully grew meter-sized single-crystal graphene on industrial Cu foils, overcoming the challenge of polycrystalline films. The technique improves domain alignment and quality through a temperature-gradient-driving method and oxygen supply.
Researchers identify strategies to enhance lithium storage in 2D nanomaterials, including hybridization, surface/edge functionalization, and structural optimization. These approaches aim to improve conductivity and accommodate volume expansion during charging/discharging cycles.
A new control technique has been developed to achieve tight formation control of unmanned aerial vehicles (UAVs), reducing power requirements by minimizing vortices effects. The technique uses an adaptive control scheme to estimate and suppress the aerodynamic interference caused by closely flying UAVs, improving overall performance.
A new research paper presents a saturated coordinated path following control method for multiple underactuated USVs on a closed curve. The proposed method guarantees symmetric formation, has minimal communication data, and bounded control inputs.
The special focus on formation control of unmanned systems presents recent significant achievements in theoretical design and applications. Key findings include the use of consensus-based approaches for simultaneous attack problems and hybrid particle swarm optimization for multi-UAV formation reconfiguration.
Scientists have developed a technique to map thermal conductivity at the nanoscale, enabling more efficient thermoelectric materials. This breakthrough uses scanning thermal microscopy to analyze three-phase thermoelectric materials and determine their local thermal conductivity.
Researchers developed a facile synthetic route to fabricate N/S co-doped carbon microspheres, achieving high capacitance and capacitance retention. The optimized material shows promising performance for practical applications of supercapacitors.
Physicists have successfully demonstrated topological superconductivity in β-Bi2Pd films, a crucial step towards fault-tolerant quantum computing. The researchers found that tuning the chemical potential can isolate topological surface states, revealing a promising candidate for topological superconductor.
Researchers design multifunctional nano-theranostics targeting the unique acidic tumor microenvironment. These smart imaging nanoprobes enable sensitive and accurate tumor diagnosis through signal amplification under reduced pH conditions.
Researchers developed an AI-based approach to extract lung nodules from chest CTs, improving diagnosis accuracy and reducing false positives. The method can be integrated into existing CADe systems and accommodate new data streams, potentially increasing the five-year survival rate for lung cancer patients.
New research reveals genetic differences between Middle-Late Jurassic Cu-Pb-Zn-bearing and W-bearing granites in the Nanling Range. A proposed model attributes the formation of these granites to asthenosphere upwelling and basaltic magma underplating, driven by palaeo-Pacific plate subduction.
The EcoCity model simulates future city expansion and predicts urban heat island effects. The study reveals different surface temperatures in various function zones, with urban impervious surfaces and green spaces playing distinct roles in thermal regulation.
Researchers analyze coupling relationship between urbanization and eco-environment, finding external elements dominate metabolic structure. This leads to accelerated drop in metabolic emergy intensity and increased environmental load. The study provides quantitative reference points for effective decision-making.
A Chinese research team proposes a multi-dimensional system dynamic (SD) simulation model to understand China's urbanization process. The model provides a comprehensive view of the mechanism constrained by environmental sustainability, with an ultimate urbanization level predicted in multiple scenarios.
Researchers identified dissolved barium as a tracer to quantify the extent of Kuroshio's impact on the East China Sea. The study found that Kuroshio subsurface water forms an intrusion current by climbing northwest along the bottom, with nearly 65% of its volume entering the Qiantang Estuary.
Soft robots can adapt to unstructured space environments, satisfy different tasks demands, and improve safety and reliability. Novel actuation methods and control schemes are proposed to address the challenges of soft robot configuration and manipulation.
Researchers have developed a 3D graphene oxide based artificial transpiration device with high solar vapor efficiency, minimizing convection and conduction losses. The device can also collect more sunlight throughout the day and enable effective water treatment through two pathways.
Researchers at Tsinghua University outline recent advances on nonparametric Bayesian methods, regularized Bayesian inference, scalable algorithms, and system implementation to tackle the challenges of Big Data. They also discuss connections with deep learning and highlight the need for human expertise in devising appropriate features a...
Researchers identified phosphorene-like SiS and SiSe as promising anode materials for sodium-ion batteries. These materials exhibit high theoretical specific capacities and low volume changes, ensuring good structural stability.
Next-generation rechargeable batteries require high energy density and cost efficiency. Functional membrane separators improve cycling stability in various battery systems. Smart and sustainable separators enhance safety performance by creating homogeneous environments for lithium deposition.
The study found that the Northern Lenglongling fault was a more suitable seismogenic structure for the MS6.4 Menyuan earthquake. This is supported by field geological mapping and tectonic geomorphology analysis, which indicate the LLLF has been active since the Holocene.
Researchers used deep geophysical exploration and seismic tomography to study the deep tectonic environment of strong earthquakes in North China. Key findings include a complex tectonic setting with a listric normal fault and high-angle deep fault, and a low-velocity anomaly in the middle-lower crust
Researchers discovered surface runoff in megadunes of Badain Jaran Desert, recharging lake water. This finding explains the source of lake water in the desert region.
Researchers have discovered a new conducting additive, Super P carbon black (SPCB), that exhibits high capacity and cycling stability for reversible lithium and sodium ion storage. SPCB shows a higher capacity for lithium ion storage than sodium ion storage due to its reaction mechanism.
Researchers from Tsinghua University and Southern University of Science and Technology successfully experimentally studied the Forrelation problem in a 3-qubit nuclear magnetic resonance quantum information processor. The study aimed to find the largest possible separation between quantum and classical query complexities, with potentia...
Researchers explore metal nanoparticles for visible-light photocatalysis, enhancing charge-carrier separation and achieving broadband light-harvesting. However, challenges remain in optimizing particle size and improving efficiency.
Researchers propose alternative petrogenesis model for Archean trondhjemite, suggesting tonalitic rocks as primary source material. Simulations using quantitative phase modeling approach reveal comparable major and trace element compositions with trondhjemite rocks.
Researchers found that the plateau's surface sensible heating generates convective precipitation over the southern and eastern regions, while reducing in-situ surface sensible heating. The interaction between surface sensible heating and latent heating plays a leading role in this 'coupling system', influencing regional and global weat...
Researchers propose a new model for the initial India-Eurasia continental collision, which led to the formation of the Tibetan Plateau. The model suggests an earlier collision timing between 65 Ma and 63 Ma, resulting in large-scale continental subduction and deformation across central Asia.
A new study found that adding a third oral antihyperglycemic agent to metformin and sitagliptin can improve glycemic control in type 2 diabetes patients, overcoming 'clinical inertia' and allowing more than 60% of patients to reach the target HbA1c level. The study, which included over 7,800 participants, also found that the addition o...
A recent study precisely dated the India-Asia continental collision at 59±1 million years ago, based on sedimentary record analysis. The collision resulted in the formation of the Himalayan Mountains and the rise of the Tibetan Plateau, with significant climatic and environmental changes.
The study establishes conditions for globally stabilizing closed-loop systems and converging their position to setpoints. The selection of PID parameters has flexibility due to the availability of upper bounds for partial derivatives of nonlinear uncertain functions.
A recent study evaluates the regional applicability of seven drought indices in China, including PDSI, SPI, SPEI, and SWI. The results show that some indices perform well in certain regions, while others may not be suitable for specific areas due to empirical parameters or sensitivity to temperature anomalies.
Weyl semimetal TaAs crystals exhibit zero bias conductance peak and double conductance peaks upon PtIr tip contact, indicating unconventional superconductivity. The study opens a new method to induce potential topological superconductivity on non-superconducting materials.
A terahertz wave study in Beijing found that high PM2.5 concentrations were related to larger absorption at selected frequencies, and the information gained by EM was effective in relieving haze pollution. The study also identified differences in sulfate types during red alert periods compared to normal conditions.
Researchers developed a novel method using Terahertz spectroscopy and 3D-printing technology to measure water content in crude oil with high accuracy. The technique can be used to continuously monitor moisture content and is suitable for applications even during high-water-bearing periods.
A reconfigurable and single-shot incoherent optical signal processing system has been developed to compress chirped microwave signals. The system uses a multi-wavelength laser as the incoherent light source, improving the signal-to-noise ratio and enabling operation in a single shot.
The study examines the impact of ultrafast laser pulses on ferromagnetic La0.67Sr0.33MnO3 thin films with epitaxial grown BiFeO3 coating layers. Researchers observe distinct oscillations in magnetization precession, which are attributed to the suppression of anisotropy by BFO coating layers and exchange interaction across the interface.
Researchers detected two-fold symmetry in superconductivity of SrxBi2Se3, providing new evidence for its topological superconductor status. The findings are consistent with earlier experiments and suggest nontrivial topological order in the material.
The new inverse algorithm stabilizes CO2 retrieval iterations using Levenberg-Marquardt parameters and a scale factor. Preliminary validations show improved quality of the MDNM-based retrieval results.
The proposed scheme considers vehicle shape and road width to minimize collisions and optimize path tracking. The model predictive control method effectively tracks the desired lateral position of road centerline, avoiding collisions and ensuring low energy consumption.