ChinaRxiv · Open Access in English
Translated papers from the Chinese Preprint site, Chinaxiv
Showing 50 of 1739 papers
[Purpose/Significance] Digital technology constitutes the core driving force and a vital component of new quality productive forces. Analyzing the evolutionary trends of research themes in China's digital technology domain aims to enhance the interdisciplinary convergence between digital technology …
[Purpose/Significance] In the current digital wave sweeping across the globe, artificial intelligence, as the most disruptive and transformative force in the technological domain, is permeating human society in an unprecedentedly rapid and comprehensive manner. Philosophy and social sciences are als…
［Purpose/Significance］This study explores the key constituent elements of trusted data space and its implementation pathway, focusing on analyzing the role and impact of large model technology in data security governance and trust mechanism framework construction. ［Method/Process］Employing a methodo…
[Objective/Significance] With the advent of the artificial intelligence era, algorithms have risen to prominence, propelling rapid economic and social development. Concurrently, algorithm-induced social issues are increasingly emerging, among which platform algorithm abuse represents a significant c…
The presence of hydrogen will affect the formation of irradiation defects in reactor structural materials, which in turn will influence the degradation of their mechanical properties. A deeper understanding of the mechanisms behind irradiation effects in structural materials in the presence of hydro…
Background Acute ST-segment elevation myocardial infarction (STEMI) is associated with high mortality and disability rates. Percutaneous coronary intervention (PCI) is an important revascularization method that can improve prognosis. However, some patients experience recurrent angina after PCI, affe…
The deep inelastic collision process of the $^{18}\text{O}+^{238}\text{U}$ system at an incident energy of 8.5 MeV/u was investigated using the Improved Quantum Molecular Dynamics (ImQMD) model coupled with the GEMINI++ statistical decay model. By analyzing the total kinetic energy-mass distribution…
To elucidate the complex pathways and underlying mechanisms of intimate partner violence (IPV) disengagement, this study systematically reviews the multi-level influencing factors of IPV disengagement, and proposes the Staged-Continuum DynamicInteraction Model (SCDIM) for IPV disengagement by integr…
To meet the rapid assessment requirements for cracks (service-induced cracks) detected during in-service inspection of Reactor Pressure Vessels (RPV), it is necessary to conduct research on the methodology for establishing acceptance criteria for service-induced cracks and to develop acceptance crit…
Presenting multiple face images of the same person can significantly improve participants' recognition performance for face identity. However, the cognitive mechanisms underlying the improvement in face recognition performance through multiple images remain unclear. This study includes two experimen…
Being moved is an involuntary, immediate emotional state triggered by external stimuli. Once elicited, being moved exerts social bonding effects, not only strengthening the bond between the individual and the direct trigger, but also producing broader spillover effects that extend the individual's p…
The ultrahigh-energy-resolution soft X-ray beamline, "Dreamline," at the Shanghai Synchrotron Radiation Facility (SSRF), has been successfully constructed and is now fully operational for conducting angle-resolved photoemission spectroscopy (ARPES) and photoelectron emission microscopy (PEEM) experi…
Benchmark experiments are indispensable for the development of neutron nuclear data evaluation libraries. Given the lack of domestic benchmarking of nuclear data in the fission energy region, this study developed a neutron leakage spectrum measurement system using a spherical sample based on the 252…
This paper addresses the operational instability issues of the denitrification fluidized bed heating system. Through improvements to the external heating method, upgrades to the internal heating rod material, and optimization of the control system, system stability has been significantly enhanced. S…
As a key instrument for measuring core neutron flux, the signal current of self-powered neutron detectors (SPND) changes due to continuous material burnup. Accurate consideration of the long-term evolution of SPND signals is crucial for reliable power monitoring and safe reactor operation. This stud…
We analyze DESI DR2 data with a model-independent method and find that: (a) the expansion of the universe may speed up with a confidence level more than 2.3 $\sigma$ at redshift $z_{51}\in (0.51, 0.955)$; (b) the expansion of the universe may speed down with a confidence level greater than 1.7 $\sig…
Negative Poisson's ratio metamaterials, also known as "auxetic" metamaterials, represent a class of mechanical metamaterials with unique mechanical properties: under vertical compressive (tensile) loading, the structure undergoes lateral contraction (expansion). This characteristic is closely relate…
We present the preparation and measurement of the radioactive isotope $\rm ^{37}Ar$, which was produced using thermal neutrons from a reactor, as a calibration source for liquid xenon time projection chambers. $\rm ^{37}Ar$ is a low-energy calibration source with a half-life of 35.01 days, making it…
Hyperelastic materials exhibit excellent mechanical properties and have been widely applied in engineering. To accurately calculate the large deformation response of hyperelastic materials, this study reviews eight commonly used macroscopic hyperelastic constitutive models and presents fitting metho…
Heat pipe cooled reactors have emerged as a research focus in the nuclear energy domain due to their high safety and efficient heat transfer performance. The wick, as their core component, has surface wetting characteristics that directly influence capillary force and heat transfer efficiency. Based…
Unlike the structural characteristics of conventional single-focus X-ray tubes, the radiation protection and shielding design of distributed multi-focus X-ray tubes requires targeted research. This paper employs Monte Carlo simulation methods to model and investigate the radiation field and shieldin…
## Abstract Health motivated reasoning refers to the psychological process by which individuals selectively process health information to reinforce or maintain their own health beliefs and behaviors. Current research primarily involves the classification patterns of health motivation, the influencin…
Pebble bed high-temperature gas-cooled reactors (HTGRs) are on-line refueling cores with spherical fuel elements. In an equilibrium core, each fuel pebble must undergo 15 cycles of being loaded into the core from the top and discharged from the bottom under gravity, resulting in a complex burnup his…
Improving green development welfare is the ultimate goal of green development, and the digital economy exerts a dual effect on regional green development. Based on a systematic analysis of the theoretical mechanisms underlying the impact of the digital economy on green development welfare, this stud…
Tourism ecological resilience is a key indicator for measuring the sustainable development capacity of tourism destinations, and enhancing this resilience is crucial for promoting the long-term viability of the tourism industry. Based on panel data from nine provinces and autonomous regions in the Y…
From a multi-scale perspective encompassing national, natural geographical division, and provincial levels, this study examines 899 ski resorts in China and comprehensively employs spatial analysis techniques such as Voronoi coefficient of variation, kernel density, and geographical detector model t…
Accurately identifying the spatial characteristics of ecosystem service supply and demand and delineating ecological management zones are of significant importance for guiding regional ecosystem management and restoration. Focusing on the overall ecosystem of Northwest China and from the perspective…
As an underdeveloped component of the education system, precise quantification of kindergarten enrollment accessibility helps evaluate the spatial allocation efficiency of preschool education resources. Taking the main urban area of Lanzhou City as a case study, and combining data such as kindergart…
Green development is a key measure for promoting ecological protection and high-quality development in the Yellow River Basin. Taking 81 prefecture-level cities in the Yellow River Basin from 2006 to 2021 as the research objects, this study constructs a comprehensive evaluation index system based on…
In the process of accelerating the construction of a new development pattern and promoting high-quality development, human capital has become a core element of competition between cities. In recent years, the Lanzhou-Xining (Lan-Xi) urban agglomeration has experienced serious population loss and ins…
Examining the evolutionary trends and obstructive factors of territorial space efficiency in key river basins provides a critical basis for constructing a territorial space pattern characterized by complementary advantages and high-quality development. Taking 97 cities in the Yellow River Basin as t…
High-precision research on the spatial distribution of agricultural population is fundamental to constructing a modern agricultural industrial system and holds significant decision-making value for fostering new-quality agricultural productive forces. Based on county-level data from the Seventh Nati…
Research on charming territorial space within the context of territorial spatial planning represents a vital approach for constructing and perfecting territorial spatial patterns in the new era, and exploring its intrinsic mechanisms and spatial identification pathways holds significant importance f…
Food security is the foundation of national development and social stability. Exploring the spatiotemporal evolution of crop planting structures can provide a theoretical basis for ensuring regional food security and promoting sustainable regional agricultural development. Selecting 117 counties (ci…
As an important region for ecological protection and economic development in China, investigating the characteristics of vegetation change under different dry-wet partitions in the Yellow River Basin is crucial for adjusting ecological restoration strategies to cope with potential threats posed by e…
The Normalized Difference Vegetation Index (NDVI) is an important indicator for assessing ecological environmental stability. The Northwest Arid Eco-geographical Region of China has a fragile ecological environment, and analyzing the spatiotemporal variation of its NDVI and its driving forces is of …
Studies on the spatiotemporal variation characteristics of vegetation cover in Hulunbuir can provide insights for formulating precise vegetation restoration and ecological environmental protection policies, which is beneficial to the ecological civilization construction in Hulunbuir. Using methods s…
The history of libraries is not only a history of socio-cultural development, but also a history of library scholars inheriting civilization and serving society. The construction of digital memory of library scholars, at the public level, helps enhance the general public's understanding of the devel…
As a fundamental resource for technological innovation, the compliant use of training data for generative artificial intelligence (AI) holds strategic significance for promoting algorithm optimization and industrial iteration. However, traditional copyright framework rules—such as licensed use, fair…
DeepSeek, with its powerful natural language understanding and complex task processing capabilities, as well as its advantages such as low computational power requirements and support for localized deployment, brings new opportunities for the development of university library information services. C…
This study statistically analyzes government procurement data for books in Shaanxi provincial public universities from 2019 to 2023, examining the current status of government procurement of books in these institutions. The findings indicate that government procurement has become the primary method …
Employing web-based survey and interview methods, this study investigates the current status of health information management in UK health think tank libraries. The findings reveal that health information management in these institutions can be categorized into four major dimensions: health informat…
Tungsten is a commonly used shielding material in Sr-90 radioisotope thermoelectric generators, but it exhibits poor high-temperature oxidation resistance. To enhance its oxidation resistance under high-temperature operating conditions, this study fabricated a nickel-chromium composite coating on tu…
Small modular reactors feature simple structures, convenient construction, and easy deployment. Heat pipe reactors belong to the category of small modular reactors and operate in load-following mode. KRUSTY (Kilowatt Reactor Using Stirling TechnologY), as the prototype of the Kilopower heat pipe rea…
The environmental compatibility of structural materials in liquid lead-bismuth is a bottleneck restricting the development and construction of lead-cooled fast reactors. 9-12Cr ferritic-martensitic steels and austenitic stainless steels are preferred candidate materials for key equipment in lead-coo…
Objective: This study analyzes the cultural perception differences of Chinese architecture among various cultural groups and proposes strategies for enhancing cross-cultural understanding and optimizing experiences of traditional Chinese architectural culture. Methods: Interviews and online textual …
Background: The nitrate natural circulation loop (NNCL) is an important experimental platform for investigating the natural circulation characteristics of molten salt. Through numerical simulation and parameter sensitivity analysis of the nitrate natural circulation loop (NNCL), this study deepens t…
With the progressive advancement of high-temperature gas-cooled reactor development and research, the flow-induced vibration of wire-wrapped rod structures under high-temperature, high-velocity gas flow has garnered widespread attention. Compared to water or metallic fluids, gaseous coolants exhibit…
Detector and event visualization are crucial components of high-energy physics (HEP) experimental software. Virtual Reality (VR) technologies and multimedia development platforms such as Unity offer enhanced display effects and flexible extensibility for visualization in HEP experiments. In this stu…
This study investigates the effects of varying tritium breeding materials and their lithium enrichment rates on the Tritium Breeding Ratio (TBR) and Energy Multiplication Factor (M) within the tritium breeding zone of a fusion reactor. The magnetic fusion reactor model was developed based on the geo…
