Showing 50 of 391 papers in Other

Transient Safety Characteristics of Lithium-Cooled Fast Reactor Stirling Thermoelectric Conversion System

Zeng Rongtian, Shan Jianqiang, Ge Li, Wang Jianwei, Wu Pan
2025-07-30 ChinaXiv: chinaxiv-202508.00081 Mixed Source

To investigate the safety and reliability of space nuclear power systems, a transient safety analysis code NUSOL-LMR-Li was developed for the lithium-cooled fast reactor Stirling thermoelectric conversion system, focusing on analyzing its inherent safety under accident conditions and the adaptive ch…

PhysAgent: A Multi-Agent Approach to Automated Discovery of Physical Laws

Xiao-Qi Han, Ze-Feng Gao, Zhong-Yi Lu, Peng-Jie Guo, Ze-Feng Gao, Zhong-Yi Lu
2025-07-30 ChinaXiv: chinaxiv-202508.00189 Mixed Source

The discovery of physical laws has traditionally relied on human intuition, analytical reasoning, and experimental observation. However, modern physics research is increasingly constrained by numerous challenges, such as high specialization, fragmented workflows, and limited computational resources,…

Delayed Gamma Dose Field of Fission Products Under Shock Wave Influence

Hu Jiaqi, Shang Peng, Zhu Jinhui, Zuo Yinghong, Liu Li, Niu Shengli, Wang Xuedong
2025-07-29 ChinaXiv: chinaxiv-202508.00082 Mixed Source

Severe nuclear accidents (such as severe reactor accidents and terrorist attacks involving radioactive materials) are typically accompanied by violent explosions, and the air surrounding the leaked fission products will inevitably be disturbed by shock waves. To reasonably assess the delayed nuclear…

Research and Development Status of Mobile Hot Cells at Home and Abroad

Zhu Haoyuan, Wang Huacai
2025-07-29 ChinaXiv: chinaxiv-202508.00083

Mobile hot cell is a radioactive material handling facility that can be transported integrally and rapidly reassembled at the target site, which addresses the issues of poor flexibility and mobility inherent in traditional fixed hot cells through modular design. With the development of the nuclear i…

Sensitivity analysis of rod rearrangement in criticality safety for PWR fuel assemblies under transportation accidents

Xinling Dai, De-chang Cai, Yan-min Zhang, Jin Cai, Cai De-chang
2025-07-27 ChinaXiv: chinaxiv-202508.00044 Original EN

To ensure the safe transportation of radioactive materials, numerous countries have established specific stan dards. For the transfer of fissile materials, it is imperative that the material within the packaging remains in a subcritical state during routine, normal, and accidental transport conditio…

Research on the Accurate Calculation Method of Crater Position in Lunar Surface Images Based on Feature Matching Postprint

Yanning Zheng, Xue Dong, Zhipeng Liang, Jian Gao, Bowen Guan, Liyan Sun, Xingwei Han, He Dong, Xue Dong, He Dong
2025-07-25 ChinaXiv: chinaxiv-202508.00171 Mixed Source

Lunar Laser Ranging has extremely high requirements for the pointing accuracy of the telescopes used. To improve its pointing accuracy and solve the problem of insufficiently accurate telescope pointing correction achieved by tracking stars in the all-sky region, we propose a processing scheme to se…

Assessment of radio observatory sites using a multi-threshold algorithm (postprint)

Hang Yang, Liang Dong, Lesheng He, Lesheng He
2025-07-25 ChinaXiv: chinaxiv-202508.00173 Mixed Source

Radio environment plays an important role in radio astronomy observations. Further analysis is needed on the time and intensity distributions of interference signals for long-term radio environment monitoring. Sample variance is an important estimate of the interference signal decision threshold. He…

Code Development and Transient Safety Analysis of Stirling Power Cycle System for Lithium-Cooled Fast Reactor

Zeng Rongtian, Shan Jianqiang, Ge Li, Wang Jianwei, Wu Pan
2025-07-21 ChinaXiv: chinaxiv-202508.00084 Mixed Source

To enhance the safety and reliability of space nuclear power sources, a transient safety analysis code NUSOL-LMR-Li was developed for the lithium-cooled fast reactor Stirling power conversion system, focusing on analyzing its performance and adaptive characteristics under accident conditions. Based …

Novel response understandings and applications of azimuthal gamma-ray logging of horizontal wells in sedimentary sandstones with grain sequence features

Prof. Zhen Qin, Qin, Prof. Zhen, Meng, Mr. Lingyi, Zhang, Zhiqiang, Dr. Cheng Wang, Luo, Dr. Shaocheng, Huang, Dr. Ke, Chen Fugeng, Shen Zheng, Zhang, Xinyi, Kejia Su, Qin, Prof. Zhen
2025-07-18 ChinaXiv: chinaxiv-202508.00064 Original EN

The theory and practices of logging facies have confirmed that the grain sequence in sedimentary sandstones is closely related to the amplitude and morphological characteristics of vertical well logs. However, the corresponding studies of longing responses of horizontal wells in sedimentary sandston…

A Nonparallel Support Tensor Machine for Binary Classification Based on Large Margin Distribution and Iterative Optimization

Du Zhuolin, Song Yisheng, Song Yisheng
2025-07-17 ChinaXiv: chinaxiv-202507.00342 Original EN

Based on the tensor-based large margin distribution and the nonparallel support tensor machine, we establish a novel classifier for binary classification problem in this paper, termed the Large Margin Distribution based NonParallel Support Tensor Machine (LDM-NPSTM). The proposed classifier has the …

Effects of a combination of biochar and cow manure on soil nutrients and cotton yield in salinized fields postprint

Cheng Huang, HOU Shengtong, WANG Bao, SONG Yuchuan, Aikeremu ABULATIJIANG, Min Jiuzhou, SHENG Jiandong, JIANG Ping'an, Ze Wang, CHENG Junhui, CHENG Junhui
2025-07-17 ChinaXiv: chinaxiv-202507.00325 Mixed Source

Biochar and animal manure application can improve crop yields in salt-affected soil. Previous studies have primarily applied biochar and animal manure either alone or at fixed ratios, while their combined effects with varying combination proportions are still unclear. To address this knowledge gap, …

Post-Print of a Meta-Analysis on Prevalence Trends and Influencing Factors of Post-Stroke Cognitive Impairment in China

Zhao Xuejiao, Li Juan, Li Yujie, Lu Ting, Xian Lihong, Yan Huan, Li Juan
2025-07-17 ChinaXiv: chinaxiv-202507.00335 Mixed Source

Post-stroke cognitive impairment (PSCI) is a common sequela in stroke patients, severely affecting their quality of life and often being overlooked. The high incidence, insidious symptoms, and heavy social burden of PSCI have made it a research priority. Understanding the prevalence and related fact…

Postprint: Willingness to Use Traditional Chinese Medicine and Its Influencing Factors Among Pregnant and Postpartum Women

Li Zanmei, Li Jiao, Yang Lin, Ma Liangkun, Xuan Lei, Yao Weiwei, Ma Liangkun, Xuan Lei
2025-07-16 ChinaXiv: chinaxiv-202507.00313 Mixed Source

背景 Traditional Chinese medicine (TCM) possesses profound theoretical foundations and extensive practical applications in the field of maternal and child health, with the state actively promoting the development of TCM work in this domain. However, issues such as insufficient knowledge of perinatal T…

Post-Print: A General Practice Case Analysis of a Patient with Hypertension, Hyperlipidemia, and Hyperglycemia Complicated by Fatty Liver Disease

Li Jie, Yang Xinhui, Cao Li, Zhang Jing, Jiang Yue, Cao Li, Jiang Yue
2025-07-16 ChinaXiv: chinaxiv-202507.00315

Background Hypertension, diabetes mellitus, and dyslipidemia ("the three highs") frequently coexist with metabolic-associated fatty liver disease, exerting mutual influence and significantly increasing the risk of adverse cardiovascular and hepatic outcomes. Currently, standardized diagnostic and th…

Ultra-high resolution and large range on-chip Fano-enhanced thermometer based on spectral analysis

Desheng Zeng, Desheng Zeng
2025-07-15 ChinaXiv: chinaxiv-202507.00321 Original EN

Temperature detection is essential for evaluating the working condition of various physical, biological, and chemical systems. Optical temperature sensing tools, particularly resonator-based thermometers, have garnered significant attention due to their exceptional performance in selectivity, sensit…

China's nursing community pioneered the painless injection method, and its education and widespread application have led the world for three decades.

Zhang Daren, Zhang Daren
2025-07-15 ChinaXiv: chinaxiv-202507.00253 Mixed Source

A section titled "Learning from Nurse Liang Jielian in 1954" in the 70th Anniversary Special Issue of Health News introduced the historical facts of Liang's creation of the painless injection method and its promotion, noting that "this was the most heartwarming scene in China's nursing community of …

Study on the Applicability of Computational Models for RANS Simulations of Hydrogen-Xenon Gas Mixtures in Channels

Wang Shunqi, Jiyu, Sun Jun, Sun Yuliang, Sun Jun
2025-07-15 ChinaXiv: chinaxiv-202508.00071 Mixed Source

Small gas-cooled nuclear reactor systems predominantly employ nitrogen-xenon mixtures as the working fluid and core coolant. At the recommended mixing ratio, their Prandtl number (Pr) can be as low as 0.2. The Reynolds-Averaged Navier-Stokes (RANS) approach relies on turbulence models and turbulent …

Thermodynamically stable 1D magnetic chains: High-throughput discovery of transition-metal chalcogenides and halides

Zong, Canbo, Guo, Deping, Wang, Renhong, Zhang, Weihan, Dai, Jiaqi, Zhang, Zhongqin, Wang, Cong, Kong, Xianghua, Ji, Wei, Wang, Cong, Ji, Wei
2025-07-15 ChinaXiv: chinaxiv-202507.00254 Original EN

The search for novel one-dimensional (1D) materials with exotic physical properties is crucial for advancing nanoelectronics and spintronics. Here, we perform a comprehensive high-throughput, first-principles study to explore the vast landscape of 1D transition-metal chalcogenides and halides. Start…

Water Chemistry Control Strategy for Ammonia-Containing Primary Loop Coolant

Luo Tianjun, Yuan Yukun, Zhou Xiaoyuan, Guo Zifang, Du Yingzhe, Lin Peng, Hu Guojun
2025-07-15 ChinaXiv: chinaxiv-202508.00072 Mixed Source

In the primary coolant of specific reactor types, pH is regulated through ammonia addition, and its radiolysis products are utilized to suppress the concentration of oxidative substances, thereby maintaining the reducing state of the coolant. During this process, significant coupling effects exist b…

Postprint: Association Between Different Adiposity Measures and Frailty Among Older Adults in Rural Northwest China

Zhang Zhiwei, He Panpan, Yang Qianwen, JIN Xueyi, Mao Xueqian, Hu Ying, Jing Lipeng, Jing Lipeng
2025-07-14 ChinaXiv: chinaxiv-202507.00151 Mixed Source

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 …

Postprint of Object-Oriented Glacier Boundary Extraction Based on Multi-Feature Fusion

Lin Zhouyan, Wang Xiaying, Xia Yuanping(1,2,3,4)
2025-07-14 ChinaXiv: chinaxiv-202507.00174 Mixed Source

Given that pixel-level classification struggles to accurately identify glacier changes when spectral features are similar, particularly in debris-covered areas where spectral characteristics highly resemble surrounding mountains and rocks, resulting in low extraction accuracy, this study takes the Y…

A DNA-PKcs-primary cilia axis maintains cellular senescence induced by ionizing radiation in tumor cells

Xiuzhu Liu, Li Wei, Rong Zhang, Jiaxin Chen, Tongshan Zhang, Junrui Hua, Jufang Wang, Jinpeng He, Xiaodong Xie, Jufang Wang, Jinpeng He, Xiaodong Xie
2025-07-14 ChinaXiv: chinaxiv-202507.00188 Original EN

Cellular senescence is a cellular response closely associated with genotoxic stress that plays a critical role in determining cell fate following irradiation exposure. Primary cilia are sensory organelles located on the cell surface that detect and transmit diverse signaling cues. However, the relat…

Experimental Study on Flow and Heat Transfer Characteristics of Additively Manufactured Microchannel Heat Exchangers

Penggu, Liyu Zhang, Hu Yu, Liu Zhenwei, Cong Tenglong, Gu Hanyang
2025-07-13 ChinaXiv: chinaxiv-202507.00134 Mixed Source

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 …

Uncertainty Quantification of SST k-ω Turbulence Model Parameters for Flow in the Reactor Upper Plenum

Li Xiaobin, Guo Liqi, Xiaobin Li
2025-07-12 ChinaXiv: chinaxiv-202507.00120 Mixed Source

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…

Study on the Synthesis of Hexagonal Boron Nitride Nanosheets by Molten Salt Method

Yucan Huang, Shen Jiajie, Cheng-Zhi Guan, Long Dewu, Chen Bangfu, Yang Aohua
2025-07-12 ChinaXiv: chinaxiv-202507.00121 Mixed Source

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…

Current Clinical Applications of 225Ac in Targeted Alpha Therapy

Jia Xinran, Li Jianguo, DONG Juancong, Hua Jianzhong
2025-07-10 ChinaXiv: chinaxiv-202507.00135 Mixed Source

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…

Thermodynamic adsorption potential of superconductors

Jiu Hui Wu, Jiu Hui Wu
2025-07-10 ChinaXiv: chinaxiv-202507.00099 Original EN

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…

Can a particle behave as a wave in self-reference frame ?

Qiankai Yao
2025-07-09 ChinaXiv: chinaxiv-202507.00100 Original EN

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…

Postprint: Enhancing News Content Production and Dissemination Efficiency through Artificial Intelligence

Liu Yang
2025-07-09 ChinaXiv: chinaxiv-202507.00106

【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…

New Media Convergence Applications in Post-Print Editing of Science and Engineering Books for University Presses

Dong Qiang
2025-07-09 ChinaXiv: chinaxiv-202507.00113

Objective: To explore integrated application strategies for new media technology in the editing of science and engineering books at university presses. Methods: Editors of science and engineering books from 10 key university presses were surveyed through questionnaires and field visits, with case an…

Postprint of Strategic Study on Integrated Development of Broadcasting Technology and Environmental Art in Cultural Tourism Projects

Ren Jiaxuan
2025-07-09 ChinaXiv: chinaxiv-202507.00190

In recent years, with national support for equipment renewal in the media, culture, and tourism sectors, the cultural tourism industry has experienced vigorous development, drawing considerable attention to environmental art, broadcasting technology, and related media fields. [Purpose] To deeply exp…

Exploring the Three Contradictions in Documentary Creation: Crossing the Boundary Between Reality and Fiction, Reconciling the Tension Between Initiative and Passivity, and Breaking the Shackles of Power and Limitations—Postprint

Wang Shitian and Peng Biao
2025-07-09 ChinaXiv: chinaxiv-202507.00191

【Objective】To investigate the contradictory relationships between truth and fiction, initiative and passivity, and power and limitation in documentary filmmaking, and to analyze how these contradictions affect the artistic value and social impact of documentaries. 【Methods】This study examines the co…

Event Extraction and Analysis for Power Media Based on Large Language Models and Knowledge Graphs: Postprint

Li Jia, Zang Yanjiao, Gu Chenlan
2025-07-09 ChinaXiv: chinaxiv-202507.00209

Objective: Against the backdrop of deepening reforms in China's power system and the industry's vigorous development, power media, as a critical communication bridge between the power sector and the public, is facing two core challenges: a surge in the number of power news events and the efficient m…

Postprint: Analysis of Technology-Driven Brand Perception Trends in the Context of Consumer Behavior Transformation in the Intelligent Era

Fang Shu
2025-07-09 ChinaXiv: chinaxiv-202507.00236

Driven by the intelligent era, consumer behavior patterns and brand cognition methods have both undergone significant transformations. [Purpose] New technologies have altered the channels through which people obtain information and have enabled communication with consumers via various media. Consume…

The Dual Aspects of Traditional Culture IP Adaptation in Chinese Animated Films: A Dialectical Analysis Based on Industry Ecosystem and Cultural Identity (Postprint)

Quan Wenxi
2025-07-09 ChinaXiv: chinaxiv-202507.00238 Mixed Source

[Objective] In recent years, the Chinese animated film market has witnessed rapid development, with adaptation works based on traditional cultural themes achieving remarkable success and becoming a crucial pillar of the industry. However, it is imperative to conduct an analytical investigation into …

Communication Strategies for the International Distribution of Chinese Animated Films: An Interaction Ritual Chain Perspective (Postprint)

Zhou Luyao, Liu Shuliang
2025-07-09 ChinaXiv: chinaxiv-202507.00241

【Purpose】In recent years, domestic animated films have achieved remarkable success in the domestic market; however, their performance in overseas distribution remains relatively weak. Analyzing the dilemmas of overseas dissemination of domestic animated films can help formulate effective strategies.…

Analysis of Artificial Intelligence Technology Application in Book Editing and Processing (Post-print)

Ren Xiangrui
2025-07-09 ChinaXiv: chinaxiv-202507.00244

【目的】This study investigates the application of artificial intelligence technology in the book editing and processing workflow. 【方法】Based on an analysis of the demand for artificial intelligence technology in the book editing and processing workflow, this paper explores the integration of artificial …

Copyright Risk Analysis and Prevention for Scientific Journals under Digital Publishing: Postprint

Ma Mengyao Wan Changqing
2025-07-09 ChinaXiv: chinaxiv-202507.00252

【目的】In the context of digital publishing, this study analyzes and investigates the copyright risks and preventive measures for scientific journals.【方法】Through an analysis of scientific journal copyrights, this study clarifies the emergence and fair use circumstances of scientific journals' right of …

Postprint of Strategies for Enhancing the Impact of Comprehensive Agricultural Science and Technology Journals Sponsored by Local Agricultural Universities

Duan Junzhi
2025-07-09 ChinaXiv: chinaxiv-202507.00256

Objective: To explore strategies for enhancing the influence of comprehensive agricultural science and technology journals sponsored by local agricultural universities, thereby laying a foundation for cultivating first-class agricultural science and technology journals. Methods: A survey and compreh…

Analysis of the Communication Characteristics of Law-Popularization Film and Television Promotional Works in the New Era (Postprint)

Li Tuofu Zhu Minghao
2025-07-09 ChinaXiv: chinaxiv-202507.00267

Objective: As a bridge connecting legal knowledge with public life, legal education film and television productions possess unique artistic charm and extensive dissemination capacity, playing an increasingly important and positive role in the construction of the rule of law in the new era. This pape…

Multimodal Discourse Narrative in Cultural Tourism Micro-Short Dramas in the Vertical-Screen Era: Postprint

Gao Xianchun, Qu Jinpei, Zhao Xuesong
2025-07-09 ChinaXiv: chinaxiv-202507.00274

Purpose: This study aims to investigate how cultural tourism micro-short dramas utilize multimodal discourse to realize meaning expression. Method: This paper adopts methods including literature research and case analysis, grounded in the theoretical framework of multimodal discourse analysis, and c…

Interactive Digital Narrative in Virtual Museum Mini-Programs: A Case Study of the "Cloud Tour Dunhuang" Post-Print Edition

Wang Chaoqun Chen Qiao
2025-07-09 ChinaXiv: chinaxiv-202507.00275

【目的】Virtual museums based on mini-program design are gradually becoming an important platform for the display and dissemination of contemporary cultural heritage. This paper takes the "Cloud Tour of Dunhuang" mini-program as its research subject, explores the application of interactive digital narra…