University of Chinese Academy of Sciences

Geometry-Informed Adaptive Time-Series Fusion of ADS-B Sensor Data for Short-Term Aircraft Trajectory Prediction

Automatic Dependent Surveillance-Broadcast (ADS-B) systems provide continuous aircraft position reports for aviation surveillance and short-term trajectory prediction. However, many data-driven predictors directly model the longitude, latitude, and altitude contained in ADS-B mes...

Designing Novel Solar‐Blind Ultraviolet Nonlinear Optical Crystals Based on Local Proton Distribution Complementary Effect

ABSTRACT Dipolar π‐conjugated groups with large polarizability anisotropy and hyperpolarizability are generally regarded as important nonlinear optical (NLO) active building units. However, their strong dipole‐dipole interactions remain a key challenge in designing non‐centrosymm...

The Melatonin–Nitric Oxide Signaling Pathway Alleviates Iron Starvation by Mobilizing Apoplastic Iron Pools and Reshaping Iron Transport in Rice ( Oryza sativa L.)

Iron (Fe) is indispensable for plant growth and development. Notably, melatonin (MT) serves as a key regulator to improve plant tolerance under nutrient stress conditions. Currently, the exact mechanism regulating MT's involvement in the rice Fe-deficiency response remains to be...

Automated Extraction of Long-Term Cyanobacteria Blooming Series from Landsat Imagery Using Deep Learning

Cyanobacterial harmful algal blooms (CyanoHABs) pose serious threats to inland water ecology and environmental security. Despite advances, accurately capturing their long-term dynamics for effective governance remains challenging due to limited datasets and segmentation model acc...

Spin-quenching cobalt center for efficient ammonia synthesis derived from oxide mixology

The spin polarization plays a critical role in heterogeneous catalysis by influencing the properties of active sites and thereby altering catalytic performance. However, precise construction of active sites with well-tuned spin states remains challenging. Here we demonstrate to m...

AFIRE: Accurate and Fast Image REconstruction Algorithm for Geometric-Inconsistent Multispectral CT

Abstract. For nonlinear multispectral computed tomography (CT), accurate and fast image reconstruction is challenging when the scanning geometric parameters under different X-ray energy spectra are inconsistent or mismatched. Motivated by this, we propose an Accurate and Fast Ima...

High-Precision UT1 Prediction with Different Angular Momentum Combination Schemes

Universal Time (UT1) is a core component of the Earth orientation parameters (EOP). High-precision UT1 predictions are essential for satellite navigation, deep-space exploration, and the maintenance of national standard time. Although effective angular momentum (EAM) information...

Planetary Boundary Layer Height on the Northern Mount Qomolangma Region Retrieved From Wind LiDAR Observations

Abstract A coherent Doppler wind LiDAR (Wind3D 6000) has been operating in the northern Mount Qomolangma region since 2023. We retrieved planetary boundary layer height (PBLH) from LiDAR observations collected from October 2023 to September 2025 using a hybrid algorithm combining...

Evolution of water clarity across the Beijing-Tianjin-Hebei region over the past four decades (1984–2024): Driven by hydrological expansion and anthropogenic intervention

Given escalating water scarcity and rapid urbanization, characterizing the long-term evolution of surface water environments across the Beijing-Tianjin-Hebei (BTH) region is vital for coordinated regional development. Using Landsat imagery spanning 1984–2024, this study quantifie...

Three Gorges Dam-driven redistribution, sediment-water partitioning, and health risks of heavy metals in the Yangtze River

The Three Gorges Dam (TGD), the largest hydraulic project on the Yangtze River mainstream, has altered hydrodynamic regimes and sediment transport. However, how its interplay with basin-scale pollution control policies regulates heavy metal behavior remains poorly understood. The...

High-temperature behavior of FeTiO3 and MgTiO3: in-situ synchrotron X-ray diffraction study

The high-temperature volumetric and axial thermal expansion behaviors of ilmenite (FeTiO 3 ) and geikielite (MgTiO 3 ) were examined up to 773 K using in situ synchrotron X-ray diffraction. No phase transitions were observed within the experimental temperature range. The temperat...

Synthesis of Highly Active InGaO X Solid Solution Catalysts and Their Superior Performance for CO 2 Hydrogenation to Methanol

ABSTRACT This work reports the synthesis of InGaO X solid solution catalysts with varying Ga contents via a one‐step hydrothermal method, aiming to enhance the catalytic activity of indium‐based catalysts for CO 2 hydrogenation to methanol. Comprehensive characterization using XR...

A look at nanowire photodetectors

Nanowire (NW) photodetectors have emerged as a prominent group of optoelectronic materials that have been extensively researched over the last two decades. They belong to the one-dimensional nanostructures and operate in the regime of wave optics because the diameter of the NW is...

Space-ConfinedGrowth of 2D Ultrathin Ternary CdZnTeFlakes toward High-Performance Photodetectors

Abstract Two-dimensional (2D) CdZnTe has been highly anticipated in high-performance photodetectors because of its excellent optoelectronic properties and the quantum confinement effect in 2D scale. However, due to the intrinsically nonlayered structure, the current obtained 2D C...

Sustainable Reversible Patterning via Humidity-Switchable Self-Assembled Multilayers Induced by Photolithography

Abstract Lithography plays a crucial role in the fabrication of intricate patterns. Materials that possess both lithographic capabilities and stimuli-responsive characteristics enable the realization of dynamic and controllable information processing. In this work, a self-assembl...

Two‐dimensional stratified ferrocene‐phosphate with adsorption–reduction coupling function for enhanced uranium capture

Abstract The development of uranium separation materials is essential to ensure a stable uranium supply for energy and to mitigate environmental risks. We report a two‐dimensional ferrocene‐vanadyl phosphate composite (fc‐VOP) with expanded interlayer spacing (9.8 Å) and adsorpti...

Manipulation of Photoresponse via Defect-Level Excitations in Metal–Insulator–Semiconductor-Type Two-Dimensional Heterostructure for Optoelectronic Logic Gates

Abstract In recent years, effective carrier–exciton conversion and defect engineering in tunneling diodes based on metal–insulator–semiconductor (MIS) van der Waals heterostructures have attracted extensive research interest in modulating optoelectronic device performance. Effect...

Dual Oxygen Precursors Boosting the Ionic Conductivity of Glassy Electrolytes for All‐Solid‐State Sodium Batteries

ABSTRACT Amorphous halide‐based solid electrolytes (SEs) are promising candidates for all‐solid‐state Na batteries (ASSNaBs) due to their structural flexibility and favorable mechanical properties. Among them, aluminum‐based halide electrolytes are particularly attractive owing t...

Bubble‐Assisted Dynamic Confinement Enables Programmable Solid‐State Photoswitching and Heterogeneous Photoresponsive Architectures

Achieving programmable photoisomerization of azobenzenes in the solid-state remains a long-standing challenge for photoresponsive materials. Here, we introduce a dynamic soft-confinement strategy using bubble-assisted assembly to manipulate molecular aggregation via tunable surfa...

Sulfur-PassivatedSuperatomic Rh13S8± Clusterswith Enhanced Stability and UniqueElectronic Properties

Abstract Metal sulfides have attracted considerable attention in nanomaterials because of their unique properties supporting key applications in catalysis, energy storage, sensing and others. Thiol-protected metal clusters feature similar metal–sulfur bonding as in nanomaterials,...