Showing 50 of 1733 papers

Development and Validation of a Risk Prediction Model for Angina Recurrence after Percutaneous Coronary Intervention in Elderly Patients with Acute ST-Segment Elevation Myocardial Infarction Based on CYP2C19-Related Genetic Markers: Postprint

Jia Gaopeng, Chen Qiuyu, Chen Qiuyu
2025-06-24 ChinaXiv: chinaxiv-202506.00197

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…

Dynamical study of neutron-rich projectile-like fragment production in the $^{18}$O+$^{238}$U reaction

Yunyi Cui, Junlong Tian, Junlong Tian
2025-06-24 ChinaXiv: chinaxiv-202506.00239 Mixed Source

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…

Why Unable to Escape? Influencing Factors and Mechanisms of Disengagement from Intimate Partner Violence

Yalin Chen, Gong Zhe, Gong Zhe
2025-06-23 ChinaXiv: chinaxiv-202506.00196

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…

Methodology for Developing Acceptance Criteria for Service-Induced Cracks in Reactor Pressure Vessels

Wang Dasheng, Duan Yuangang, Xiang Wenxin, Jin Ting, Qi Lei, Liu Pan, Hou Fan
2025-06-23 ChinaXiv: chinaxiv-202506.00244

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…

Multi-Image Advantage in Face Identity Matching Depends on the Formation of Face Representations

Junye Feng, Wang Zhe, Sun Yuhao, Sun Yuhao
2025-06-22 ChinaXiv: chinaxiv-202506.00195

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…

The Social Connection Effect of Being Moved and Its Theoretical Explanation

Yue Tong, Wang Hong, Tian Xingjiang, Wu Ting, Fu Anguo, Zhou Yanpeng, Wang Hong
2025-06-22 ChinaXiv: chinaxiv-202506.00194

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…

Development and Performance of Ultra-High Energy Resolution Dreamline Beamline at SSRF

CHEN, Zhenhua, Zou, Prof. Ying, Dr. Junqin Li, Zhu, Dr. Fangyuan, Dr. Yiwei Cheng, Huang, Prof. Yaobo, Prof. Yong Wang, Tai, Prof. Renzhong, Tai, Prof. Renzhong
2025-06-22 ChinaXiv: chinaxiv-202506.00234

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 Experimental System for 252Cf Spontaneous Fission Source Using γ-Tagging

Yuting Wei, Changlin Lan, Bo Gao, Xianlin Yang, Gong Jiang, Jiahao Wang, Bo Xie, Yangbo Nie, Yanliang Chang, Ge Zhang, Fan Wu, Kuozhi Xu, Shilong Liu, Xichao Ruan, Changlin Lan
2025-06-21 ChinaXiv: chinaxiv-202506.00235

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…

Stability Study of DeNOx Fluidized Bed Heating System

Bao Guosheng
2025-06-21 ChinaXiv: chinaxiv-202506.00246

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…

A Study on the Long-Term Variation of Signal Current in Rhodium Self-Powered Neutron Detectors Under In-Core Burnup Conditions

Guo, Dr. Zhiqi, Yang, Dr. Wenhua, Han, Dr. Jingyi, Prof. Shuo Zhang, Li, Dr. Zhan, Dr. Chunhui Zhang, Prof. Dingjun Zhu, Shao, Prof. Jianxiong, Shao, Prof. Jianxiong
2025-06-20 ChinaXiv: chinaxiv-202506.00236

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…

Preparation and measurement of an $\rm ^{37}$Ar source for liquid xenon detector calibration

Guo, Mr. Xunan, Cai, Mr. Chang, Gao, Prof. Fei, Lei, Mr. Yang, For academic publications, this name should be formatted as: **Kaihang Li** Or in reference lists: **Li, Kaihang** *Note: The title "Mr." is omitted in academic writing. The surname "Li" comes last in standard English format, or first with a comma in bibliographic citations.*, Su, Mr. Lei Chun, Wu, Dr. Zepeng, Xiao, Prof. Xiang, Xie, Lingfeng, Zhao, Mr. Yifei, Zhou, Dr. Xiaopeng, Xie Lingfeng
2025-06-20 ChinaXiv: chinaxiv-202506.00237

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…

Numerical Simulation of Contact Angle on Gradient Sodiophilic Nanostructured Surfaces Using LBM

Wang Can, Tang Simiao, Zhang Luteng, Ma Zaiyong, Sun Wan, Zhu Longxiang, Lian Qiang, Pan Liangming
2025-06-20 ChinaXiv: chinaxiv-202506.00248

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…

Study on Novel Distributed X-ray Tube Shielding Structure

Tang Huaping, Chen Zhiqiang, Li Guoyu, He Wu, Wang Biao, Lai Sheng
2025-06-20 ChinaXiv: chinaxiv-202506.00238

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…

Factors Influencing Health Motivated Reasoning and Its Underlying Mechanisms

Xin Liu, Lyu Xiaokang, Lyu Xiaokang
2025-06-20 ChinaXiv: chinaxiv-202506.00193 Mixed Source

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 influencing f…

Uncertainty Analysis of Fission Yields in Pebble-Bed High-Temperature Gas-Cooled Reactors Based on Detailed Burnup Chains

Cui Menglei
2025-06-20 ChinaXiv: chinaxiv-202506.00249

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…

Spatial Differentiation Patterns and Driving Factors of China's Ski Resorts from a Multi-scale Perspective: Postprint

Wang Peipei, Wang Jiao, Yongmei Cai
2025-06-20 ChinaXiv: chinaxiv-202506.00181

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…

Spatiotemporal Evolution and Multi-scale Obstacle Factor Analysis of Tourism Ecological Resilience Development Level in the Yellow River Basin (Postprint)

Nie Hanyu, Zhang Yanhui, Hui Li, Yaomin Zheng
2025-06-20 ChinaXiv: chinaxiv-202506.00180 Mixed Source

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…

Digital Economy Empowering Green Development Welfare: Empirical Evidence Based on Resource-based Cities in the Yellow River Basin (Postprint)

Yu Xie, Xue Xuandeng
2025-06-20 ChinaXiv: chinaxiv-202506.00177 Mixed Source

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…

Postprint: Ecological Management Zoning in Northwest China Based on Ecosystem Services Supply-Demand Matching

Li Zhi, Su Yang, Shu Qin
2025-06-20 ChinaXiv: chinaxiv-202506.00178

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…

Land-Use-Based Analysis of China's Agricultural Population Grid Distribution Characteristics (Postprint)

Mi Ruihua, Ni Shilong, Liu Shumin
2025-06-20 ChinaXiv: chinaxiv-202506.00187

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…

Measurement and Spatial Convergence of Green Development Levels in Prefecture-level Cities of the Yellow River Basin: A Postprint Study

Ren Shiqi, Wang Yongyu
2025-06-20 ChinaXiv: chinaxiv-202506.00185 Mixed Source

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…

Study on the Identification and Spatial Optimization Strategies of Dunhuang's Charming Territorial Space Postprint

Chen Tianhao, Fang Haozhou
2025-06-20 ChinaXiv: chinaxiv-202506.00182

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…

Kindergarten Enrollment Accessibility and Influencing Factors in the Main Urban Area of Lanzhou City: A Postprint

Guo Nianfa, Wang Lucang
2025-06-20 ChinaXiv: chinaxiv-202506.00184

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…

Spatiotemporal Evolution and Obstacle Factor Analysis of Territorial Space Efficiency in the Yellow River Basin (Postprint)

Wei Jianfei, Youran Yuan, Li Qiang, Peipei Dong, Jiurong Liu
2025-06-20 ChinaXiv: chinaxiv-202506.00183 Mixed Source

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…

The Impact and Mechanism of Population Growth and Decline Differentiation on the Urban Economic Resilience of the Lanzhou-Xining City Cluster (Postprint)

Wang Yifei, Kong Dezhen, Luo Yuxuan, Mao Jinhuang, Wang Meimei
2025-06-20 ChinaXiv: chinaxiv-202506.00186 Mixed Source

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…

Vegetation Dynamics in the Yellow River Basin and Its Response to Climate Change: Based on Climate Aridity-Humidity Zoning Scale (Postprint)

Wang Ruifang, Lü Baoqi, Wenjing Zhang
2025-06-20 ChinaXiv: chinaxiv-202506.00190

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…

Spatiotemporal Variation of NDVI and Its Driving Forces in the Northwestern Arid Eco-Geographic Region (Postprint)

Song Xiaolong, Li Longtang, Ren Jie, Wu Yue, Wang Peng, Mi Wenbao, Ma Mingde
2025-06-20 ChinaXiv: chinaxiv-202506.00297

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 …

Research on the Spatiotemporal Evolution Characteristics of Crop Planting Structure in the Fenwei Plain (Postprint)

Miao Yingfeng, Wilderness, Zhou Zhengwei, Zhao Jiayu, Guo Yuxi
2025-06-20 ChinaXiv: chinaxiv-202506.00188 Mixed Source

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…

Spatiotemporal Dynamics of Hulunbuir Vegetation Cover (2000–2022) and Its Response to Climate Factors (Postprint)

Zou Xiang, Zhang Yuting, Xu Lu
2025-06-20 ChinaXiv: chinaxiv-202506.00296

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…

Research on the Construction of a Digital Memory Platform for Chinese Library Science Scholars Based on Knowledge Graphs: Postprint

Zhang Wenliang, Chen Chongyang, Li Xuan
2025-06-20 ChinaXiv: chinaxiv-202506.00191

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…

The Copyright Dilemma of Training Data Usage in Generative Artificial Intelligence and Its Resolution

Xie Xingchen, Song Yao, Li Kexin
2025-06-20 ChinaXiv: chinaxiv-202506.00192

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…

Research on the Enhancement of University Library Information Services Empowered by DeepSeek: A Case Study of the Ocean University of China Library (Post-print)

Jin Wu, Lijie Wang, Zan Dong
2025-06-20 ChinaXiv: chinaxiv-202506.00198

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…

Research on the Current Status of Government Procurement of Books in Shaanxi Provincial Universities and the Application of Relevant Laws, Regulations, and Policies (Postprint)

Ma Zhuying
2025-06-20 ChinaXiv: chinaxiv-202506.00199

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 …

Preparation of Nickel-Chromium Composite Coating on Tungsten by Molten Salt Thermal Diffusion Method

Cao Xueshan, Dai Jianxing, Zhang Wei, Yu Guojun
2025-06-19 ChinaXiv: chinaxiv-202506.00241

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…

Research Progress on Compatibility Assessment of Stainless Steel with Liquid Lead-Bismuth for Lead-Cooled Fast Reactors

Jibo Tan, Zhang Xinrui, Xue Baoquan, Zhang Ziyu, Wu Xinqiang
2025-06-19 ChinaXiv: chinaxiv-202506.00243

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…

Cross-Cultural Differences in Tourists’Cultural Perceptions of Chinese Architectural Heritage: A Semiotic Perspective

Guoliang Shao, Guoliang Shao
2025-06-19 ChinaXiv: chinaxiv-202506.00299

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 …

Numerical Simulation and Parametric Sensitivity Analysis of Nitrate Natural Circulation Loop (NNCL)

Wang Kai, Wang Chaoqun, Cai Chuangxiong, Yang Qun, He Zhaozhong, Wang Naxiu
2025-06-19 ChinaXiv: chinaxiv-202506.00211

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…

Flow-Induced Vibration of Slender Rods in High-Velocity Gas Environment

Zhang Ke, Kailun Wang, Liu Jian, Qi Huanhuan, Yu Xiaofei, Gao Penglin
2025-06-19 ChinaXiv: chinaxiv-202506.00251

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…

Unity-Based Virtual Reality for Detector and Event Visualization in the JUNO Experiment

Huang, Kai-Xuan, Song, Tianzi, Su, Yuning, Wu, Mr. Chengxin, Xuesen Wang, Zhang, Prof. Yumei, You, Prof. Zhengyun, You, Prof. Zhengyun
2025-06-18 ChinaXiv: chinaxiv-202506.00212

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…

Molten Salt Tritium Breeding Materials in Fusion Reactors: A Neutronic Comparative Analysis for ITER

Karakoc, Mr. Alper, Karakoc, Mr. Alper
2025-06-18 ChinaXiv: chinaxiv-202506.00213

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…

Postprint: Influencing Factors on Physical and Mental Health of Community-Dwelling Older Adults and Empowerment Strategies for Medical Social Workers

Li Bin, Ge Mengfei, Han Jing, Xiao Yu, Zhong Yu, Zhong Yu
2025-06-18 ChinaXiv: chinaxiv-202506.00167

Background Health issues among community-dwelling elderly populations have gradually become an important topic of widespread social concern, urgently requiring multi-subject collaborative intervention to construct a scientific and effective health support system. Objective To understand the health s…

Life's Essential 8 Score and Risk of Hypertension in Agricultural and Pastoral Populations of Altay Region, Xinjiang: A Cross-Sectional Study Postprint

Yufei Chen, Zhao Qian, Xieyire Hamulati, Cai Liting, Xiaomei Li, Yang Yining, Liu Fen, Liu Fen
2025-06-18 ChinaXiv: chinaxiv-202506.00168

Background Hypertension is a major cardiovascular disease. The Life's Essential 8 (LE8) score, a recently proposed cardiovascular health assessment indicator, and its relationship with the risk of hypertension remains unclear. Objective To investigate the relationship between LE8 score and the risk …

Postprint of a Study on Influencing Factors of Graduate Students' Academic Video Browsing Behavior Based on the ELM Model

Li Weichao, Liu Siqi, Guo Ruilin
2025-06-18 ChinaXiv: chinaxiv-202506.00169

Academic videos, as a medium for academic communication, are becoming increasingly important. Graduate students constitute an important audience for such videos, and factors influencing their viewing behavior require in-depth analysis. This study aims to construct a systematic model of factors influ…

The Evolution of China's Cultural Digitization Policies and Their Implications: A Postprint Analysis of Policy Texts from 1994–2023

Kang Chao, Mengmeng Wang
2025-06-18 ChinaXiv: chinaxiv-202506.00170

Systematically reviewing cultural digitalization policies and analyzing their evolutionary logic facilitates exploration of how to advance high-quality development of cultural digitalization. This study takes 133 cultural digitalization policy documents issued at the national level from 1994 to 2023…

Measurement of the Neutron Radiative Capture Cross Section and Resonance Parameter Analysis of 93Nb Using White Neutron Source

Haotian Luo, Zhang, Dr. Qiwei, Dr. Xichao Ruan, I need the actual text content to translate. The input "Luan, Dr. Guangyuan" appears to be a name only, but your instructions specify translating academic paper content with LaTeX formulas, citations, and tags. Please provide the full text that requires translation., Wu, Dr. Hong-Yi, Ren, Dr. Jie, Xuanbo Chen, Jiang, Dr. Wei, Fan, Dr. Ruirui, Zhang, Dr. Qiwei
2025-06-18 ChinaXiv: chinaxiv-202506.00214

In this study, the neutron radiative capture cross section of 93Nb was measured using the GTAF gamma spectrometer at the Back-n beamline of the China Spallation Neutron Source (CSNS), employing the time-of-flight (TOF) method. A comprehensive data processing approach was implemented, including backg…

Research and Application of Airborne Radioactive Source Term Analysis Programs for Nuclear Facility Buildings (Submission to the 27th Annual Conference of the China Association for Science and Technology and the 2nd Youth Nuclear Science and Technology Academic Conference)

Chang Yedi, Zhang Liying, Fan Yuxuan, Tian Yingnan, 王晓霞, Gao Guiling
2025-06-18 ChinaXiv: chinaxiv-202506.00252

In nuclear facility buildings, leaked radionuclides can exist in gaseous or aerosol forms, forming airborne radioactive source terms that cause internal exposure to workers, representing one of the primary sources of occupational exposure dose for nuclear facility personnel. To analyze the distribut…