Most papers are machine-translated to English; some are originally in English.
Showing 50 of 1733 papers
This study focuses on the synergistic relationship between technological innovation (TI), industrial structure (IS), and economic growth (EG), aiming to clarify their mechanism, heterogeneity, and policy-driven effects. Using data from Chinese listed companies (1990–2023) and empirical methods (medi…
Territorial spatial ecological restoration is a crucial prerequisite for optimizing the territorial spatial patterns, enhancing the ecosystem functions, and achieving sustainable development at the regional scale. The Qaidam Basin, located in the alpine arid region of the Qinghai–Xizang Plateau, Chi…
Climate change significantly affects vegetation dynamics. Thus, understanding interactionsbetween vegetation and climatic factors is essential for ecological management. This study used kernelNormalized Difference Vegetation Index (kNDVI) and climatic data (temperature, precipitation, humidity,and v…
The user wants me to translate a scientific text from Simplified Chinese to English. However, the text provided is already in English. Let me re-read the instructions carefully. The instructions say: "Translate from Simplified Chinese to English with the highest accuracy and academic tone." But the …
Generative Large Language Models (LLMs) are artificial intelligence models pre-trained on large-scale corpora, bringing unprecedented opportunities and challenges to the field of psychometrics. By integrating the developmental trajectory of interdisciplinary research between artificial intelligence …
Background: China is currently leveraging artificial intelligence (AI) technology to enhance the standardization and homogenization of primary health services, driving universal health coverage and demonstrating global leadership in the field of digital health. Objective: To empirically reveal the m…
Abstract Background: Computed tomography-derived fractional flow reserve (CT-FFR) has demonstrated excellent diagnostic performance; however, the consistency between CT-FFR values calculated by different deep learning algorithms has not been evaluated. Objective: This study aims to evaluate the cons…
Abstract Background: With the acceleration of the aging process in China and the increasing complexity of medical service demands, the diseases of hospitalized patients often involve multiple systems and organs. The traditional single-discipline diagnosis and treatment model has become insufficient …
Moralization refers to the process of endowing originally value-neutral things with moral connotations. The elicitation of moralization is influenced by multi-level factors including cognition, emotion, and society. Existing theoretical models of moralization are mainly the Moral Amplification Model…
From an articulatory perspective, "uvularization" refers to the retraction of the tongue dorsum toward the uvular region, an articulatory gesture primarily caused by the contraction of the styloglossus and related muscles (Evans et al. 2016). Although uvularization has traditionally been viewed as a…
Like other branches of physics, astronomy encompasses both experiment and theory. The tools and methods utilized in theoretical astronomy are identical to those employed in other branches of theoretical physics. However, experimental astronomy differs from other experimental disciplines in that we c…
Format-Preserving Encryption (FPE) has wide applications in sensitive data privacy protection; however, existing standard algorithms struggle to resist slide correlation and linear cryptanalysis attacks, and their algorithmic efficiency is relatively low. This paper proposes a Finite-Radix Format-Pr…
Large Language Models (LLMs) have exhibited exceptional capabilities in natural language understanding and generation, image recognition, and multimodal tasks, charting a course towards Artificial General Intelligence and emerging as a central issue in the global technological race. This manuscript …
The Ge-doped GaNb4Se8 polycrystalline samples were synthesized by solid-state reaction method. Zero resistance transitions were observed in one batch of samples with the highest onset superconducting Tc at 45 K. This discovery may demonstrate a new class of Nb-based high-Tc superconductors arising f…
Grain size is widely used for environmental reconstruction in various depositional settings, yet its precise interpretation remains challenging. In shallow lakes within humid region, interpretation of grain size is particularly hindered by complex variations in climate and environments. Here, we con…
Five decades after the discovery of radio pulsars, main stream theories based on polar cap still suffer from difficulties in both self-consistency and confrontation with observations[1]. Increasing observation of individual subpulses of pulsars, i.e., high brightness temperature, highly polarized, a…
Against the dual backdrop of the national cultural digitization strategy and the transformation and development of university libraries, this study aims to explore how university libraries can transcend their traditional role as "resource repositories" and transform into providers of deep "smart ser…
Tunnel damage cases in strong earthquake events such as the 2022 Menyuan earthquake have conclusively confirmed that sections of tunnels crossing active fault zones suffer severe seismic damage due to the combined influence of fault displacement from active faults and strong seismic forces. Correctl…
The generation of novel ideas has long been a subject of human inquiry. In the context of the transformation from traditional scientific discovery logic to a "double helix" driven logic of AI4Science and Science4AI, leveraging AI Agents to integrate massive, heterogeneous scientific knowledge, disco…
Human psychological activities do not exist in isolation but are deeply embedded within geographical and ecological environments. The geographical substrate simultaneously establishes constraints and pressures while providing resources and possibilities, and humans gradually develop cultural practic…
We point out that neural networks are not black boxes, and their generalization stems from the ability to dynamically map a dataset to the extrema of the model function. We further prove that the number of extrema in a neural network is positively correlated with the number of its parameters. We the…
Background Good medication adherence can significantly reduce the risk of recurrence in stroke patients and is critical to secondary prevention in this population. However, existing research has primarily focused on short-term medication use and adherence behaviors among rural stroke patients, while…
In the context of the knowledge economy, patent pools and patent securitization are regarded as important instruments for alleviating financing constraints faced by pharmaceutical enterprises. However, traditional models have encountered development limitations due to uncertainties in valuation and …
Amidst the dual trends of digital financial legalization and intellectual property capitalization, the issue of patent financialization in the biopharmaceutical industry has become increasingly prominent. Traditional patent securitization models, constrained by uncertainties in underlying asset valu…
In optical systems with small focal ratios, the optical performance of narrowband filters is significantly affected by the telescope's optical system and the angle of incidence of light. From the center of the field of view to the edge, the deviation of the incident angle gradually increases, causin…
Cesium atomic clocks are the key core equipment in modern atomic timekeeping. In recent years, the domestically produced optically pumped cesium atomic clock TA1000 has been widely applied in timekeeping operations. The clock difference prediction algorithm for atomic clocks is one of the factors af…
Dense molecular cloud clumps are sites of star formation, and their morphological characteristics are closely related to the physical properties of molecular gas. This work is based on data from the 13.7 m millimeter-wave radio telescope of Purple Mountain Observatory, covering galactic longitude (g…
We collected multi-band radiation flux densities for a blazar sample from the Fermi Large Area Telescope Fourth Source Catalog Data Release 3 (4FGL-DR3), with the collected data covering radio at 1.4 and 143 GHz, near-infrared (J, H, and K), optical (u, g, r, i, and z), ultraviolet (far ultraviolet …
Identifying young stars in star-forming regions is crucial for a comprehensive understanding of the star formation process. This study uses Gaia (Global Astrometric Interferometer for Astrophysics) astrometric data to identify and analyze young stars in the IC 5146 star-forming region. First, Gaia a…
Stars form from the gravitational collapse of dense molecular cloud cores. Investigating the specific locations within molecular cloud clumps where this collapse motion preferentially occurs will help elucidate star formation across different regions of molecular cloud clumps, providing additional i…
In the site selection process for millimeter-wave and submillimeter-wave radio astronomical telescopes, in order to fully understand the cloud cover information of candidate astronomical sites, it is essential to design an all-sky camera system applicable to field environments. Therefore, according …
The Lyman-alpha Solar Telescope (Ly$\alpha$ Solar Telescope, LST) is one of the payloads on the Advanced Space-based Solar Observatory (ASO-S, Chinese name "Kuafu-1") satellite, which includes three scientific instruments: the White-light Solar Telescope (WST), the Solar Disk Imager (SDI), and the S…
Utilizing archival data from the Wide-field Infrared Survey Explorer (WISE), we compared the long-term mid-infrared variability amplitudes of Broad-line Seyfert 1 (BLSy1) galaxies and Narrow-line Seyfert 1 (NLSy1) galaxies. Furthermore, we analyzed the correlations between long-term mid-infrared var…
The locus coeruleus-norepinephrine system (LC-NE) is a crucial neuromodulatory system in the brain that plays a pivotal role in attention regulation. This article systematically reviews the mechanisms of LC-NE in attention, encompassing: 1) the firing patterns and activity dynamics of LC-NE during a…
[Purpose/Significance] Under the drive of digital-intelligent technologies, library transformation exhibits characteristics of "hot in practice, lacking consensus, mixed effects," facing practical dilemmas of "fragmented conclusions, ambiguous pathways" (e.g., the benefit difference of digital-intel…
Category-based attentional selection (CAS) is a core process through which the brain optimizes information filtering via abstract category representations, yet the synergistic mechanism by which it is modulated by cognitive control and salience processing remains unclear. This study combined the maj…
Taking a 40 m offset Cassegrain antenna as an example, this study analyzes different small panel fitting schemes to investigate the relationship between small panel design and surface accuracy, verifying that the reflector surface accuracy is proportional to the square of the circumferential and axi…
Fiber optic mode scrambling technology for high-resolution spectroscopic observations can effectively improve radial velocity measurement precision, providing a powerful tool for research on cutting-edge scientific problems such as the search for Earth-like planets. Currently, the impact of mode noi…
Future space-based gravitational wave detectors (such as LISA and Taiji) will detect gravitational wave events from supermassive binary black hole mergers. Highly precessing supermassive binary black holes, in addition to emitting traditional inspiral-merger-ringdown gravitational wave signals, can …
The Sgr A lobes in the Galactic Center are a pair of bubble-like structures perpendicular to the galactic disk and symmetric about the Galactic Center, with a height of approximately 15 pc. X-ray observations indicate that these bubbles possess well-defined boundaries, and were likely formed by shoc…
Metal-poor stars are stars that formed in the early universe, preserving chemical signatures from early nucleosynthesis and providing crucial clues for investigating heavy-element nucleosynthesis mechanisms and the chemical evolution of the early cosmos. Based on Th/U nucleocosmochronology, we have …
Wide binary stars are systems composed of two widely separated celestial bodies orbiting a common center of mass, with their physical projected separation being the most direct observable quantity. Using high-purity wide binary stars within 1 kpc of the solar neighborhood as a test sample, anomalous…
Earth rotation can be described using Earth Orientation Parameters (EOP). As key parameters connecting the celestial and terrestrial reference frames, EOP constitute important spatiotemporal datum parameters. Due to latency in observational data processing, real-time applications of EOP must be real…
Low-frequency radio point sources are of significant importance in astronomical research, serving not only as crucial probes for studying galaxy evolution history but also as the primary foreground contaminants for detecting Epoch of Reionization signals. Low-frequency observations are essential for…
Large-scale structures composed of galaxies and extending to scales of up to hundreds of parsecs are known as the cosmic web. Depending on morphology and galaxy density, the cosmic web is classified into structures such as nodes, filaments, walls, and voids. Galaxies located near filaments typically…
Small Solar System bodies with perihelion distances less than 0.307 AU/66 R⊙ are known as near-Sun small bodies. The extreme solar heating and high-temperature magnetized plasma environment they encounter can reveal intrinsic information about these bodies and facilitate investigations of the near-S…
As the core guarantee for the performance of large-scale scientific facilities, particle accelerator alignment technology aims to achieve high-precision spatial positioning of critical components such as magnets. The leap in alignment precision from sub-millimeter to sub-micron and even nanometer le…
Singlehood is becoming increasingly prevalent in modern society, yet academic research predominantly operates under homogeneity assumptions, neglecting variations within the single population regarding sources of motivation and identity recognition, thereby failing to uncover its psychological heter…
A university library constitutes a service production function comprising elements such as management, resources, functions, and innovative spirit, whose sole function of existence is service innovation. Service innovation represents a process of organic coupling between librarian creativity and the…
Against the backdrop of building a fertility-friendly society, family well-being and scientific parenting have attracted increasing attention. Based on 5-day intensive longitudinal data from 370 mothers of early school-age children in China, this study employs dynamic structural equation modeling to…
