Automatically translated preprints from the Chinese arXiv (ChinaXiv).
Showing 50 of 1495 papers
As strategic leaders of university libraries, directors determine the prosperity and decline of their institutions. The primary responsibilities of university library directors encompass strategic planning formulation, strategic organizational implementation, and strategic control. To this end, dire…
Theoretical research on risky decision-making primarily relies on backward inference from behavioral outcomes and self-report data, lacking direct observation of the decision-making process, which constrains the explanation of its underlying mechanisms and the development of effective behavioral int…
Mothers, particularly human mothers, exhibit exceptional sensitivity to the unique acoustic features, emotional valence, and survival cues embedded in infant cries and laughter. This article evaluates various cognitive experimental paradigms developed using infant cry materials and investigates mate…
This paper proposes a novel non-perturbative quantum gravity framework based on quantum topological structures. By introducing "quantum vortices" to characterize the topological order of statistical averages of microscopic particles and embedding the AdS/CFT holographic duality, black hole singulari…
While inserting spaces between words facilitates reading in Chinese as a Second Language (CSL) learners, it remains unclear whether this benefit is short-lived or enduring throughout the learning process. Using a longitudinal eye-tracking design, we tracked L1-English CSL learners across four stages…
GenAI participation in organizational decision-making has become an unstoppable trend, yet academic research on GenAI advice adoption remains incomplete. In the leadership decision-making process, how do leaders compare employee advice, GenAI advice, and employee-GenAI team advice for adoption? What…
Cryptography is the cornerstone of trusted computing. Currently, classical cryptographic systems are facing severe challenges from quantum computing. While post-quantum cryptography (PQC) can resist known quantum attacks, with the continuous development and maturation of quantum computing, the emerg…
Library science is essentially library management science, a discipline centered on humans. Librarians constitute the sole subject and core object of library management, and their human nature assumption represents the first principle of library science. Readers are the exclusive research subject on…
Physical space is the only medium for light propagation; air, water, glass, etc., are not. Atomic nuclei within these “medium” curve the surrounding physical space, causing photons to follow curved trajectories at the microscopic level during propagation. Meanwhile, the light speed (magnitude) remai…
This paper examines the fundamental concepts of the metaverse and industrial metaverse, along with the characteristics of their key enabling technologies, and argues that the industrial metaverse represents a new stage in the digitalization and intelligentization of industry and the broader industri…
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 …
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…
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…
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…
Traditional liquid scintillation measurement instruments face challenges in field measurements of radon in water: their bulky size and reliance on a stable power supply hinder the on-site analysis of large numbers of water samples. To address this, the study aims to develop a portable liquid scintil…
