Automatically translated preprints from the Chinese arXiv (ChinaXiv).
Showing 50 of 841 papers
The 2019 edition of the International Reactor Physics Evaluation Project (IRPhEP) Handbook incorporated the Molten Salt Reactor Experiment (MSRE) benchmark, providing keff (effective multiplication factor) values derived from first criticality experiments and control rod worth calculations for multi…
In high-energy physics~(HEP) experiments, visualization software plays a pivotal role in detector design, offline software development, and event data analysis. The visualization tools integrate detailed detector geometry with complex event data models, providing the researchers with invaluable insi…
Charge radii are sensitive indicators to identify the nuclear structure phenomena throughout the whole nuclide chart. In particular, the shrunken trend of changes of charge radii along a long isotopic chain is intimately associated with the shell quenching effect. In this work, the systematic evolut…
Background Frailty is an age-related geriatric syndrome, and the prevalence of frailty among older adults in China is relatively high and shows an increasing trend year by year. Obesity is closely associated with the occurrence and development of multiple diseases, but its relationship with frailty …
Obesity is frequently complicated by metabolism-related diseases, which constitute important etiological factors or risk factors and are associated with adverse prognosis; effective weight reduction can improve or even remit these comorbidities. Lifestyle intervention alone demonstrates suboptimal e…
Background: As an emerging technology, large language models are gradually gaining recognition and application among the general public. Thyroid cancer is a common type of malignant tumor in China, and patients have a high demand for thyroid cancer popular science information; however, there is stil…
Ammopiptanthus nanus is an endangered evergreen shrub endemic to the desert regions of Central Asia, possessing extremely strong cold and drought resistance. It serves as a model species for investigating plant adaptation mechanisms to extreme environments and is a key focus of research on desert bi…
Evapotranspiration, as a critical component of the water cycle, is essential for water resource regulation and ecological protection, playing a particularly important role in water consumption and redistribution in arid regions. This study takes the Aksu River Basin as the research area, utilizing M…
Constructing ecological security patterns and accurately identifying key areas for ecological restoration constitute the prerequisite and guarantee for advancing territorial ecological restoration. As a national key water source conservation area and an ecological security barrier in the upper reach…
Using MODIS snow product data, this study investigated the spatiotemporal variation characteristics of the snowmelt period on the Mongolian Plateau from 2003 to 2022, and tracked the movement of the snowmelt line toward higher latitudes at 15-day intervals as well as its response to air temperature.…
Water supply services underpin the survival and development of human society and are critical for advancing ecological civilization construction and high-quality development of river basins in China. This study takes the Yili River Valley in Xinjiang as the research area, and based on statistical ye…
Sand ridges, as the fundamental topographic units of deserts, have surface hydrothermal environments at different slope positions that profoundly influence the development and spatial distribution patterns of biological soil crusts. Lichen crusts are widely distributed on desert surfaces; however, h…
Invasive plants have severely impacted global ecosystem functions and biodiversity. However, existing research primarily focuses on the monitoring and classification of single temporal phases of plants, with relatively few studies on multi-temporal continuous monitoring of key phenological stages, p…
Litter decomposition plays a crucial role in carbon and nutrient cycling within terrestrial ecosystems, with climatic conditions being the primary determinant of decomposition rates. Currently, research on litter decomposition in alpine grassland ecosystems remains insufficient. To investigate the i…
The sandy lands in the marginal monsoon region of Northeast China are sensitive to climate change and represent ideal sites for investigating the history of aeolian evolution. This study conducted optically stimulated luminescence (OSL) dating analysis of two typical aeolian sediment sections from t…
Farmland in arid regions with sandy loam soil is characterized by low fertility, poor water retention, high infiltration losses, and low crop yields. Elucidating the patterns of soil water movement in sandy loam farmland is of great significance for conserving water resources and increasing crop yie…
To investigate the mineralization characteristics of organic fertilizer combined with medium and trace elements in aeolian sandy soil and its effects on soil organic carbon fractions, laboratory incubation and field experiments were conducted to examine the decomposition and residual rates of organi…
In recent years, the dangerous pest Agrilus viduus Kerremans has been discovered in Yili, Xinjiang. Currently, this insect has penetrated into the hinterland of wild fruit forests, causing damage to wild apples and wild apricots. Through field surveys, fixed-point observations, and indoor rearing, t…
Against the backdrop of gradually decreasing global atmospheric nitrogen deposition, the legacy effects of long-term nitrogen addition on alpine grassland ecosystems remain unclear. Therefore, this study conducted a 16-year controlled experiment in the Bayanbulak alpine grassland in the central Tian…
Investigating the quantitative predictive assessment of climate impacts on vegetation greenness changes in the Qaidam Basin facilitates the coordinated promotion of integrated protection and systematic governance of mountains, rivers, forests, farmlands, lakes, grasslands, deserts, and atmosphere. B…
High-boron surface water and groundwater exist in the oasis area of Qiemao County, Xinjiang, seriously affecting residents' health. To preliminarily investigate the hydrochemical characteristics and main sources of boron in the oasis area of Qiemao County, 24 water samples (4 surface water and 20 gr…
Daily precipitation data from ground meteorological stations across the eastern Tibetan Plateau in 2022 were selected to evaluate precipitation datasets from the China Meteorological Administration Multi-source Precipitation Analysis System (CMPAS), the China Meteorological Administration Land Data …
Salinization in downstream irrigation districts of arid region river basins exacerbates soil degradation, crop yield reduction, and river water salinization, constraining the stability of agricultural production and ecological environments. Its formation is influenced by groundwater depth and improp…
The Precipitation Concentration Index (PCI) effectively characterizes the intra-annual concentration of precipitation and is widely used in related research. Based on monthly precipitation and mean temperature observations from 15 meteorological stations in the Yarlung Tsangpo River (hereinafter ref…
Small reactors impose demands for the miniaturization of heat exchange equipment. Addressing the miniaturization requirements of a certain shell-and-tube heat exchanger, a high-performance rectangular microchannel heat exchanger suitable for additive manufacturing technology (additive manufacturing …
The temperature oscillation phenomenon in the upper plenum of a lead-based reactor core constitutes one of the critical factors influencing the safe and stable operation of nuclear power plants, and its accurate depiction holds significant importance for analyzing thermal pulsation mechanisms. Numer…
Hexagonal boron nitride possesses a layered structure composed of hexagonal rings similar to graphene, thereby exhibiting excellent mechanical properties and thermal conductivity, and has attracted widespread attention in numerous application fields. In view of the high energy consumption issues ass…
Humans often need to make predictions based on current situations to guide subsequent behavior. However, researchers currently debate vigorously regarding whether predictable or unpredictable items yield better memory performance. In this study (Experiment 1: item recognition; Experiment 2: associat…
Amidst increasingly prominent global intergroup conflicts, psychological time framework represents a novel pathway to facilitate intergroup helping behavior, capable of effectively mitigating social conflicts and promoting resource redistribution. Compared to conventional single time points, constru…
Radioactive targeted drugs have attracted considerable attention as an important therapeutic modality for malignant tumors, owing to their precise tumor-targeting capability and potential efficacy against tumors resistant to conventional treatments. 225Ac has emerged as a highly promising radionucli…
This paper presents a novel pixel chip readout scheme: the Region-of-Interest Readout Circuit (ROIRC), which is designed for large area, large array pixel chips and Gas Pixel Detector (GPD). This design employs a sentinel pixel detection strategy, enabling rapid identification and prioritized readou…
[Objective] To explore assessment methods for perceived social support among adolescents based on Weibo text and analyze its demographic differential characteristics. [Methods] Python was employed to crawl Weibo texts (approximately 300,000 posts) from adolescents aged 12–18 nationwide, construct a …
Due to the current lack of devices and methods for measuring internal contamination caused by radionuclides in wounds that may occur during spent fuel reprocessing and radioisotope production, we developed a new non-contact measurement system for radionuclide-contaminated wounds featuring improved r…
Austenitic stainless steels have been extensively utilized as key structural components in nuclear reactors, yet they exhibit a strong tendency to undergo swelling under neutron irradiation, which consequently deteriorates their mechanical performance. Hence, reliable prediction of the swelling evol…
Based on the general thermodynamic analysis of Polanyi adsorption potential, the adsorption potential condition for superconductors is obtained exactly by using the quantum state equation we presented. Because this adsorption potential results in changes of electron concentration, temperature and pr…
Cognitive Disengagement Syndrome (CDS), also known as Sluggish Cognitive Tempo (SCT), constitutes a cluster of persistent behavioral patterns or symptoms characterized by attentional disengagement, sluggish information processing, and hypoactivity resulting from neurodevelopmental deficits. This syn…
As to matter wave, an interesting question is whether a particle can behave as a wave in the frame tied toitself. If the answer is negative, it is possible to establish a self-reference frame to cancel the particle’swaveform, and even develop a metric field equation to describe wave-particle duality…
Advances in technology and the development of the Internet have enabled the storage and distribution of large-scale unstructured data (such as audio, video, and natural language text). However, any such storage and distribution incurs certain costs, naturally prompting considerations for the efficie…
Within the framework of the isospin-dependent quantum molecular dynamics model, the fusion cross section and fusion mechanism of neutron-deficient Pu isotopes in the reactions 24,26,30Si+196Hg were investigated. We found that the fusion cross sections are higher in the reaction with a more neutron-r…
To overcome the difficulty and expensive cost for some specific isotopic targets, a substitution method was proposed to measure the cross section of (γ, n) reactions. Considering that the natural copper element (natCu) only has 63Cu and 65Cu isotopes, the 65Cu(γ, n)64Cu reaction was taken as an exam…
[Objective] The ultra-high transmission rates and extremely low latency of 6G technology aim to significantly enhance the dissemination efficiency and quality of integrated media content. Leveraging the powerful connectivity and big data processing capabilities of 6G technology, integrated media can…
[Objective] To investigate key technical issues in medium-wave broadcasting transmitter circuit design, optimize signal processing schemes, and enhance system performance and spectrum utilization efficiency. [Methods] Based on digital signal processing technology, the transmitter circuit was optimiz…
[Purpose] With the rapid development of artificial intelligence technology, the field of digital educational publishing is undergoing profound transformation. [Methods] The application of intelligent technology in digital educational publishing involves multiple stages including content production, …
【Objective】To analyze the integration practices of artificial intelligence technology embedded in news gathering and editing operations, and to explore pathways for intelligent transformation. 【Method】Literature analysis combined with case studies from mainstream media was employed to systematically…
Objective: To investigate the role of artificial intelligence (AI) in enhancing communication effectiveness, promoting cultural exchange, facilitating public opinion management, and reconstructing communication paradigms. Methods: Through case analysis and literature review, this study examines how …
【Objective】This paper aims to analyze the characteristics of blockchain technology and its application in the broadcasting and television industry to ensure information security. 【Method】Based on factor analysis and theoretical analysis methods, we examine the blockchain technology architecture, key…
【Objective】To fully manifest the innovation-led characteristics of new quality productive forces and the cultural mission inherent to scientific journals, it is imperative to enhance the mutual empowerment between scientific journals and new quality productive forces, thereby fostering their synergi…
【Purpose】To investigate the development of 6G technology and its innovative applications in the integrated media domain. 【Method】This paper centers on the key milestones in the evolution of integrated communication technology (5G, 5.5G, 6G), a critical enabling technology for 6G, and adopts a three-…
Purpose: This study investigates the morphology, composition, and current development of sound design elements in digital publishing. Method: Through conceptual introduction, it introduces the evaluative elements of "sound design" from the film and television industry into the field of digital publi…
The quality of academic journals constitutes the core foundation of their construction and development. [Purpose] This study aims to investigate the establishment and optimization of quality assurance systems for academic journals in the new media era. Through systematic analysis of internal quality…
