Showing 50 of 1739 papers

Enhanced Quantitative Analysis of Beryllium Shim Worth in NIRR-1 Post-HEU to LEU Conversion Using WIMS-ANL and REBUS-ANL

BALAMI, Dr. DENNIS SOLOMON, Viva, Prof. Yakubu Ibrahim, Nasiru, Prof. Rabiu, BALAMI, Dr. DENNIS SOLOMON
2025-09-02 ChinaXiv: chinaxiv-202509.00051 Original EN

This work presents a detailed, benchmarked evaluation of the reactivity worth of top beryllium shim plates in the Nigerian Research Reactor-1 (NIRR-1) following conversion from highenriched uranium (HEU) to low-enriched uranium (LEU) fuel. Multigroup cross sections were generated with WIMS-ANL and c…

Postprint: Influence Mechanism of Temperature Gradient on Soft Clay Foundation Consolidation in PVTD Technology

Zhang Binyuan, Wang Hao
2025-09-02 ChinaXiv: chinaxiv-202509.00004 Mixed Source

This study establishes a fully coupled thermo-hydro-mechanical (THM) finite element model based on non-equilibrium thermodynamics theory. The model innovatively introduces bound water temperature and particle temperature parameters to characterize microscopic thermal effects, thereby systematically …

Postprint: Analysis Method for Dynamic Thermal Response of U-Tube Energy Piles in Layered Ground under Transient Heat Source Conditions

Jiǎng Gāng, Zong Chenfeng, Wang Ziyi, Wang Qinhu, Yang Haofan
2025-09-02 ChinaXiv: chinaxiv-202509.00005 Mixed Source

Energy piles serve both load-bearing and heat exchange functions, holding significant value in ground-source heat pump applications. However, under layered foundation conditions, the heat transfer mechanism of pile-soil heat exchange is rather complex. Existing analysis methods are mostly based on c…

Development and Evolution Characteristics of Geological Hazards and Disaster-Forming Movement Processes on Mountainous Arterial Highways Under the Lushan Earthquake (Postprint)

Wu Kai, Yi Xuebin, Fu Xiaodong, Du Wenjie, Ding Haifeng, Zhao Haisong, Xi Tian
2025-09-02 ChinaXiv: chinaxiv-202509.00017 Mixed Source

Investigating the development and evolution characteristics and disaster-forming dynamic processes of typical geological hazards along arterial highways in seismically active mountainous regions holds significant theoretical and practical importance for early hazard identification, risk assessment, …

Characteristics of Weathered Deep Troughs under Coupled Igneous Intrusion in Karst Areas and Post-treatment Imprint

Yu Jiasong, Guo Guo, Wu Denghao
2025-09-02 ChinaXiv: chinaxiv-202509.00012

The dam site area of Zhangjiazhai Reservoir in Guizhou is affected by the coupling effect of karst and igneous rock intrusion, where multiple deep weathering troughs have developed, posing severe challenges to engineering construction. Through surface geological survey, pit and trench exploration, d…

Preliminary Study on Calculation Methods for Residual Sliding Force of Wedge Landslides: Postprint

Zhang Chengchen, Pu Shutao, Chen Zaiqian, Wang Haicheng, Han Xiao, Wang Senlin
2025-09-02 ChinaXiv: chinaxiv-202509.00013

Landslide disasters constitute one of the primary natural disasters in human history. Understanding calculation methods for landslide residual sliding force enables the targeted design of landslide treatment schemes. Given the current scarcity of research and engineering practice on wedge-shaped lan…

Analysis of Seepage Characteristics of Lanxi Reservoir, Guizhou Province (Postprint)

Tang Songxuan, Pei Xiongwei, Han Xiao, Ye Jianlong, He Rui
2025-09-02 ChinaXiv: chinaxiv-202509.00014 Mixed Source

In karst regions, leakage issues have consistently been pivotal to the success or failure of dam and reservoir construction projects. The spatial complexity and dynamic evolutionary nature of karst development determine the intricacy of karst leakage problems. This paper analyzes the leakage charact…

Postprint: Damage Process of Typical Debris Flows on In-Service Check Dams in Southwestern Mountainous Regions

Luo Chaopeng, Kang Yongchuang
2025-09-02 ChinaXiv: chinaxiv-202509.00009 Mixed Source

The mountainous areas of Southwest China are characterized by steep terrain, deeply incised valleys, and complex geological structures. Debris flows, as the primary type of geological hazard in this region, severely restrict regional economic development due to their typical characteristics of beyon…

Postprint: Study on Internal Pressure Load Sharing Ratio of Lined Rock Cavern Gas Storage Structures

Zhang Yunlong, Zheng Kexun, Jiang Zhongming, Zhou Wanfen, Shenwei Zou, Zhao Daiyao
2025-09-02 ChinaXiv: chinaxiv-202509.00011

Gas storage facilities are critical components of compressed air energy storage (CAES) power stations, and lined rock cavern gas storage facilities have attracted widespread industry attention due to their flexible siting and scalable capacity. Accurately determining the magnitude of internal pressu…

Postprint of 3D Model Construction and Stability Analysis of Dangerous Rock Masses Based on Close-range Photogrammetry and Ground Penetrating Radar Technology

Ou Anfeng, Wu Shuyu, Yang Jinjun, Yu Jiasong, Hou Shuai
2025-09-02 ChinaXiv: chinaxiv-202509.00010 Mixed Source

To address the problems of low work efficiency, high safety risk, and survey blind spots in the investigation of high-steep dangerous rock masses, this study takes the No. 1 high-elevation dangerous rock mass at a hydropower project as an example and establishes an investigation system for such rock…

Postprint: Physicochemical and Compression Deformation Characteristics of Dispersive Clay under Freeze-Thaw and Immersion

Han Xiao, He Rui, Wang Lixiang
2025-09-02 ChinaXiv: chinaxiv-202509.00015 Mixed Source

To investigate the effects of freeze-thaw cycles and immersion on the physicochemical properties, deformation characteristics, and state of dispersive clay, laboratory physical, chemical, and compression tests were conducted on dispersive clay, and a compression deformation formula for dispersive cl…

Postprint of In-situ Experimental Study on Thermal Performance and Thermo-Mechanical Response of Energy Floor Slabs in Subway Stations

Wang Cheng, Wang Hao, Wang Zhongtao
2025-09-02 ChinaXiv: chinaxiv-202509.00007 Mixed Source

This study focuses on the application of ground-source heat pump systems in subway stations, specifically addressing the thermo-mechanical coupling response and heat transfer mechanism of energy slabs. Currently, the thermal performance and structural safety of such structures under real operating c…

Postprint: Real-Time Monitoring of Adjacent Construction Impact on Shield Tunnels Based on Dynamic Response of Operating Subway Systems

Li Qi, Xie Xiongyao, Zeng Kun
2025-09-02 ChinaXiv: chinaxiv-202509.00016 Mixed Source

This paper proposes a real-time sensing method based on the dynamic response of an operating metro system to monitor the impact of adjacent construction activities on shield tunnels. The effectiveness of the method is verified through a combination of numerical simulation and model testing. The simu…

Disintegration and Fragmentation Effects of High-Position Rock Landslide Debris Flow Based on Large-Scale Physical Model Experiments: A Postprint

Chen Feiyu, He Xurong, Huo Zihao, Zhang Shilin, Yang Chaoping
2025-09-02 ChinaXiv: chinaxiv-202509.00018

Disintegration and fragmentation effects are ubiquitous in the motion of high-elevation rockslides, capable of altering both the material state and kinematic state of the landslide mass, thereby influencing its energy distribution and dynamic transmission characteristics. To investigate the disinteg…

Plastic Zone Analysis of Layered Surrounding Rock Based on the Modified Hoek-Brown Criterion (Postprint)

Ma Chang, Ding Wenqi, Zhang Qingzhao
2025-09-02 ChinaXiv: chinaxiv-202509.00020 Mixed Source

To investigate the distribution characteristics and evolution patterns of plastic zones in stratified surrounding rock, the boundaries of rock mass plastic zones considering rock mass anisotropy in both hydrostatic and non-hydrostatic pressure fields were derived based on the modified Hoek-Brown cri…

Nursing Experience of Herb-Partitioned Moxibustion Combined with Chinese Herbal Bamboo Cupping in Treating One Case of Cold-Dampness Obstruction Pattern Rheumatoid Arthritis

Yang Lin, Wen Ting, Pi Guifang, Pi Guifang
2025-09-02 ChinaXiv: chinaxiv-202509.00021

This article presents a case of rheumatoid arthritis with cold-dampness obstruction pattern, treated with medicinal moxibustion combined with herbal bamboo cupping therapy, together with routine nursing interventions including dietary guidance, psychological nursing care, daily living assistance, he…

On the Professionalism and Marketization of Lawyers

Wang Zheng
2025-09-02 ChinaXiv: chinaxiv-202509.00022

New-quality legal technology, represented by artificial intelligence, is engendering a series of transformative changes in knowledge management, organizational models, and business paradigms within the legal profession. The traditional advantageous position of the legal profession is diminishing, wh…

Elevational Distribution Patterns and Assessment of Soil Nutrients in Tianshan Spruce Forests Across Different Regions: Postprint

Xu Dong, Chen Hao, Yeerjiang Baike'tu'erhan, Wang Qiang
2025-09-01 ChinaXiv: chinaxiv-202509.00024 Mixed Source

To investigate the spatial distribution heterogeneity of soil nutrients beneath Tianshan spruce forests and provide a foundational basis for forest health evaluation of Tianshan spruce (Picea schrenkiana var. tian⁃schanica) stands, this study was conducted across four research regions selected along…

Spatial Co-evolution and Pattern Analysis of Oases and Oasis Cities in Arid Regions During Urbanization: Postprint

Han Yuchen, Sun Qinke, Zhou Liang, Li Yu'ang
2025-09-01 ChinaXiv: chinaxiv-202509.00027 Mixed Source

As core spatial units within oasis systems that accommodate population agglomeration, economic activities, and public service functions, oasis cities experience expansion processes that are not only constrained by oasis ecological patterns but also spatially drive oasis evolution. Systematically ide…

Spatiotemporal Variation of Soil Moisture and Its Main Driving Factors in the Qilian Mountains: A Postprint

ZHAO Jianwen, Li Jinlin, Wang Shengjie
2025-09-01 ChinaXiv: chinaxiv-202509.00026 Mixed Source

Soil moisture is crucial for vegetation growth and terrestrial ecosystems, particularly playing a decisive role in the provision of ecosystem services in mountain forest ecosystems in arid and semi-arid regions. Using remote sensing soil moisture data, this study investigated the temporal dynamics a…

Soil Carbon, Nitrogen, and Phosphorus and Their Stoichiometric Characteristics Under Typical Artificial Vegetation in Qingshuihe County, Inner Mongolia (Postprint)

Min Xue, Wu Yeli, Zhang Ying, Ding Guodong, Yang Zhiheng
2025-09-01 ChinaXiv: chinaxiv-202509.00025 Mixed Source

The stoichiometric relationships of carbon (C), nitrogen (N), and phosphorus (P) in vegetation-soil systems are crucial for understanding the ecological functions of different vegetation types. Taking four typical artificial vegetation types (poplar, Mongolian pine, Chinese pine, and Caragana korshi…

Postprint: Coupling Interaction between New-type Urbanization and Low-carbon Development in the Ningxia Yellow River Urban Agglomeration

Zhou Tao, Wang Yajuan, Liu Xiaopeng
2025-09-01 ChinaXiv: chinaxiv-202509.00028 Mixed Source

This study investigates the coupling and interactive relationship between new-type urbanization and low-carbon development, providing support for achieving transformation in new-type urbanization, promoting carbon emission reduction, and facilitating high-quality regional development. Based on panel…

Postprint: Social Vulnerability Assessment and Comprehensive Zoning of Natural Disasters in Gansu Province

Yu Han, Meng Zhihua, Wang Jing'ai
2025-09-01 ChinaXiv: chinaxiv-202509.00031

Reducing social vulnerability is of great significance for natural disaster risk prevention. At the county-level unit scale, three types of hazard-bearing bodies—population, economy, and crop farming—were selected to construct a region-appropriate social vulnerability assessment indicator system, ev…

Coupling Coordination between New-type Urbanization and Ecological Security and Non-stationarity of Its Driving Factors in Gansu Province (Postprint)

Xu Jing, Yang Bin
2025-09-01 ChinaXiv: chinaxiv-202509.00030 Mixed Source

Gansu Province holds a pivotal strategic position in national ecological construction. Investigating the coupling coordination and its driving factors between new-type urbanization and ecological security status in Gansu Province is of great significance for consolidating the ecological security bar…

A Study on the Co-evolution of China's New Quality Productive Forces and New-type Urbanization (Postprint)

tall and handsome, Zhang Wuwei
2025-09-01 ChinaXiv: chinaxiv-202509.00029 Mixed Source

To explore the co-evolutionary mechanism between new quality productive forces and new-type urbanization, alleviate their contradictions, and facilitate the achievement of Chinese-style modernization development goals, this study takes China's 31 provinces (municipalities and autonomous regions) as …

Spatiotemporal Evolution Characteristics and Driving Forces of Ecosystem Services in the Heihe River Basin under Ecological Water Conveyance: Postprint

Jiawei Wang, Dong Guotao, Jiang Xiaohui, Nie Tong, Li Yuehong
2025-09-01 ChinaXiv: chinaxiv-202509.00032 Mixed Source

The implementation of ecological water transfer and other policies in the Heihe River Basin has effectively alleviated the trend of ecological environment deterioration, with significant improvements in ecological environment quality. In existing research findings for this basin, studies on the spat…

Quantification and Spatial Differentiation of Ecosystem Service Values of Tianshan Spruce Forests in Central Tianshan Mountains: Postprint

Sun Yubo, Zhao Shanchao, Wang Yapei, Ma Xiaoli, Chen Yuwen, Huang Xuansheng, Wang Weixia
2025-09-01 ChinaXiv: chinaxiv-202509.00033 Mixed Source

Taking the Tianshan spruce forest in the central Tianshan Mountains as the research object, and based on the functional value method, this study conducted a quantitative visualization analysis of the spatial pattern of ecological service value using the Getis-Ord Gi* hotspot analysis method. The res…

Postprint: Analysis of Meteorological Causes and Transport Characteristics of Two Severe Dust Storm Events in the Hexi Corridor During Summer and Autumn

Zhang Chunyan, Li Yanying, Wu Wen, Chen Jing, Ma Xingwei, Nie Xin
2025-09-01 ChinaXiv: chinaxiv-202509.00036 Mixed Source

In the summer of 2023, the Hexi Corridor experienced the strongest regional high-temperature and drought event in nearly 60 years, with frequent strong winds and dust weather; on September 6–7, Minqin County recorded the strongest September dust storm in nearly 40 years. Two strong dust storm proces…

Postprint: Glacier Prediction and Analysis on the Tibetan Plateau Based on Random Forest Model

Zhang Yiming, Tang Yulei, Feng Junbo)
2025-09-01 ChinaXiv: chinaxiv-202509.00038 Mixed Source

Glaciers are one of the key objects of natural resource survey and monitoring on the Tibetan Plateau, and the investigation, monitoring, and research of glaciers are of great significance for climate change research on the Tibetan Plateau. This study took glaciers on the Tibetan Plateau as the resea…

Postprint: Water-Saving Potential of Renewable Energy-Based Hydrogen Production in the Yellow River Basin from a Water Footprint Perspective

Li Hui, Yao Xilong
2025-09-01 ChinaXiv: chinaxiv-202509.00037 Mixed Source

Scientifically quantifying and analyzing the water footprint of renewable energy-based hydrogen production and its water-saving potential is of great significance for the high-quality development of the hydrogen energy industry and sustainable utilization of water resources in the provinces (autonom…

Climatic Characteristics of Hail and Their Influencing Factors in Longdong, 1978–2023: A Postprint

Zhang Kexin, Zhao Yujuan, Li Meiyu
2025-09-01 ChinaXiv: chinaxiv-202509.00035 Mixed Source

Hail represents one of the extreme weather phenomena induced by severe convection, featuring rapid development and substantial hazards, particularly posing a grave threat to the Longdong region where agriculture constitutes the primary economic sector. Against the backdrop of climate warming, in-dep…

How Agricultural Socialized Services Affect Grain Ecological Efficiency: Evidence from 71 Prefecture-Level Cities in the Yellow River Basin (Postprint)

Zhong Jiawei, Zheng Jun, Zhang Mingyue
2025-09-01 ChinaXiv: chinaxiv-202509.00034

Developing agricultural socialized services constitutes an important component of agricultural modernization construction. Under the "dual security" framework for grain and ecology, investigating its contribution to grain ecological efficiency holds significant importance for achieving sustainable a…

Postprint: CMIP6-Based Analysis of Spatiotemporal Characteristics of Extreme Precipitation in the Ili River Basin

Liu Jinghui, Yuan Xushan, Li Yanmin, Li Xinxu
2025-09-01 ChinaXiv: chinaxiv-202509.00039 Mixed Source

Under global warming, the disaster risk posed by extreme precipitation events is increasingly intensifying, posing severe threats to regional socio-economic development and public life and property safety. This study first conducts a spatiotemporal characteristic analysis of eight extreme precipitat…

Systematic Review of Patient-Reported Outcome Measurement Instruments for Cancer Immunotherapy Using COSMIN Guidelines: Postprint

Su Zhenzhen, Wang Yixuan, Zhang Liyan, Lian Xuemin, Liu Dan, Zhang Liyan
2025-09-01 ChinaXiv: chinaxiv-202509.00040 Mixed Source

Background Accurate assessment of immune-related adverse events (irAEs) in cancer patients through patient-reported outcomes facilitates early identification of irAEs and timely development and implementation of targeted interventions, which is essential for ensuring continuous treatment and favorab…

Postprint: Comprehensive Clinical Evaluation of ALK Inhibitors for First-Line Treatment of ALK-Positive Advanced Non-Small Cell Lung Cancer

Ye Ziqi, Yujun Zhou, Liu Liu, Zhang Yanfang, Hong Yun, Rao Yuefeng, Rao Yuefeng
2025-09-01 ChinaXiv: chinaxiv-202509.00041 Mixed Source

Background Currently, six ALK inhibitors (including crizotinib, alectinib, ceritinib, brigatinib, ensartinib, and lorlatinib) have been approved for first-line treatment of ALK-positive advanced non-small cell lung cancer, yet clinical selection remains challenging. Objective To comprehensively eval…

Postprint: A Nationwide Study on Regional Differences in Clinical Characteristics and Basic Syndrome Distribution Among 2,340 Lung Cancer Patients

Feng Zhenzhen, Liu Wenrui, Li Jiansheng, Guan Xutao, Jianfeng Quan, Gao Hong, Tian Jianhui, Rong Zhen, Hou Wei, Zhou Xun, Li Jiansheng
2025-08-31 ChinaXiv: chinaxiv-202509.00042 Mixed Source

Background Traditional Chinese medicine theory holds that syndrome distribution is closely related to region, but there is currently a lack of clinical studies on the differences in clinical characteristics and syndrome distribution among lung cancer patients in different regions. Objective To analy…

Research Advances on Pyroptosis in the Inflammation-Cancer Transition and Disease Progression of Colorectal Cancer (Postprint)

Shi Zhiyao, Gao Yu, Liu Likun, Guo Zhi, Wang Xixing, Wang Xixing
2025-08-31 ChinaXiv: chinaxiv-202509.00043 Mixed Source

Colorectal cancer, as one of the malignant tumors with persistently high incidence and mortality rates worldwide, poses a serious threat to human health. Moreover, the early diagnosis rate of colorectal cancer is relatively low, and many patients are already in middle and advanced stages at the time…

Correlation Between Visceral Adiposity Index and Nocturnal Hypertension in Young and Middle-aged Chinese Adults: A Postprint

Zhang Qiuyu, HU Xiaoyong, Tang Rui, Hongjian Li, Li Hongjian
2025-08-31 ChinaXiv: chinaxiv-202509.00044 Mixed Source

Background Chinese Visceral Adiposity Index (CVAI) is a novel obesity indicator that has been confirmed to be closely associated with prehypertension and hypertension. However, current research on the correlation between CVAI and nocturnal hypertension (NH) in young and middle-aged adults is lacking…

Association Between Physical Activity Change Trajectories and Frailty in Older Adults: A Postprint

Zheng Huatao, Wang Shiqiang, Li Dan, Yang E, Rodin, Lai Yu, Rentao Ma, Wang Shiqiang
2025-08-31 ChinaXiv: chinaxiv-202509.00045 Mixed Source

Background As population aging intensifies in China, the issue of frailty among older adults has become increasingly prominent, rendering research on its prevention and intervention particularly critical. Currently, most studies have not explored the dynamic relationship between physical activity tr…

Measurements of Muon and Muon-induced Fluxes Using Gadolinium-Doped Liquid Scintillator at the China Jinping Underground Laboratory

Xiaoyu Peng, Fang, Mr. Changhao, Lin, Mr. Shin-Ted, Prof. Shukui Liu, Li, Mr. Hanyu, Qianyun Li, Mr. Mingjie Liren, Liu, Dr. Yu, Shi, Mr. Haoyu, Wang, Miss Qin, Haoyang Xing, Yan, Dr. Yulu, Dr. Litao Yang, Yue, Prof. Qian, Zhu, Mr. J.J., Lin, Mr. Shin-Ted
2025-08-31 ChinaXiv: chinaxiv-202509.00052 Original EN

We present the results of an experiment conducted to measure cosmic-ray muons and muon-induced fluxes at the China Jinping Underground Laboratory. Utilizing a 28-liter 0.5% gadolinium-doped liquid scintillator detector, which operated stably for 412 days in a 1-meter-thick polyethylene shielding, we…

Human-AI Harmony from the Perspective of Media Naturalness

Su Di, Liao Jiangqun, Kaiping Peng, Liao Jiangqun
2025-08-29 ChinaXiv: chinaxiv-202509.00001 Mixed Source

With the widespread application of Artificial Intelligence (AI), establishing high-quality human-AI interaction relationships has emerged as a prominent research focus. This paper provides an in-depth analysis of the potential for harmonious coexistence between humans and AI, introducing the concept…

Delayed Neutron Adjoint Flux Calculation for Molten Salt Reactors Based on Coupled Precursor Migration and Monte Carlo Particle Transport

Tang Jiacheng, Zhu Guifeng, Jia Shuyang, Cao Jintong, Lü Shan Jie, Dai Ye, Yan Rui, Zou Yang
2025-08-29 ChinaXiv: chinaxiv-202509.00053 Mixed Source

The flow of molten salt fuel in molten salt reactors can induce variations in the effective delayed neutron fraction, which significantly impacts the operational control of such reactors. This study employs the Monte Carlo method to obtain the delayed neutron adjoint flux distribution for point reac…

AI4Games: A General Strategy Search Framework for Evolutionary Games

Wang Hongyu, Wang Long, Wang Long
2025-08-29 ChinaXiv: chinaxiv-202508.00255 Mixed Source

Systematically excavating strategies with long-term evolutionary advantages in multi-agent systems constitutes a pivotal challenge in evolutionary game theory, complex systems science, and artificial intelligence research. This paper proposes and implements a unified strategy search framework—AI4Gam…

MuTEA: Muon Trajectory Estimate Algorithm for Muon Tomography

Ting Wang, Wang, Dr. Yu, Prof. Shubin Liu, Yao, Mr. Zhihang, Zhang, Gefeng, Dr. Zhiyong Zhang, Feng, Dr. Changqing (Nuclear electronics), Wang, Dr. Yu
2025-08-29 ChinaXiv: chinaxiv-202509.00054 Original EN

Muon scattering tomography utilizes the penetrating ability of cosmic ray muons for non-destructive detection of materials inside shielding layers, with applications in geophysical exploration and homeland security. Trajectory reconstruction is essential for muon scattering tomography. High-precisio…