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作品数:467被引量:773H指数:12
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中国农业经济韧性空间关联网络演化特征与机制研究
《统计与决策》2025年第8期113-120,共8页王军 李军 吴海涛 蒋子龙 
贵州省哲学社会科学创新工程项目(QNXSXF2023009);贵州省教育厅高校科技创新团队资助项目(黔教技[2023]091);贵州省黔千层人才项目(〔2024〕202201);凯里学院校级重点项目(2025ZD002)。
文章基于省级面板数据,利用社会网络分析(SNA)方法和动态指数随机图(TERGM)模型考察了2000—2022年中国农业经济韧性空间关联网络演化特征及多维驱动机制。研究发现:(1)中国农业经济韧性呈现波动增长趋势,区域差异逐渐缩小,总体稳中向好...
关键词:农业经济韧性 SNA方法 TERGM模型 网络演化 
On Modified Rota-Baxter Hom-Lie Algebras
《Journal of Mathematical Research with Applications》2025年第2期163-178,共16页Wen TENG 
Supported by the Universities Key Laboratory of System Modeling and Data Mining in Guizhou Province(Grant No.2023013);the National Natural Science Foundation of China(Grant No.12161013);the Science and Technology Program of Guizhou Province(Grant No.ZK[2023]025)。
Semenov-Tian-Shansky has given the solution of the modified classical Yang-Baxter equation, which was called the modified r-matrix. Relevant studies have been extensive in recent times. In this paper, we introduce the...
关键词:Hom-Lie algebra modified Rota-Baxter operator COHOMOLOGY deformation abelian extension 
E-booster电液制动系统的主缸压力控制
《机械科学与技术》2025年第3期421-429,共9页孟佑铭 张缓缓 常笑宇 胡胜利 
国家自然科学基金项目(51705306)。
E-booster电液制动系统具有动力源可调性以及传递力矩稳定性的特点,但液压模型存在反应迟滞和非线性摩擦的问题影响了制动主缸的液压力控制,该文提出的一种RBF神经网络前馈控制+压力-位移-转速三闭环PI控制方法能够实现制动主缸液压力...
关键词:E-booster电液制动系统 制动主缸压力控制 三闭环PI控制 RBF神经网络前馈控制 
Performance Evaluation and Transmitter Optimization for AN-Aided FH Communication Against Time Misalignment
《China Communications》2025年第3期86-103,共18页Song Changqing Lin Lang Qin Lizhi Xiao Fei Zhao Hongzhi Shao Shihai 
supported in part by the National Natural Science Foundation of China under Grant 62071094;in part by the National Key Laboratory of Wireless Communications Foundation under Grant IFN202402;in part by the Postdoctoral Fellowship Program(Grade C)of China Postdoctoral Science Foundation under Grant GZC20240217.
To guarantee secure communication against eavesdropping and malicious attack,an artificial noise(AN)-aided frequency-hopping(FH)architecture is adopted in this article.But the inevitable time misalignment between the ...
关键词:artificial noise(AN)cancellation hopping period design power allocation time misalignment 
Optimizing chronic kidney disease management:The potential of a multi-strain probiotic formulation
《World Journal of Nephrology》2025年第1期65-79,共15页Deodatta Chafekar 
Chronic kidney disease(CKD),which represents a significant global health concern,is characterized by a gradual decline in kidney function,leading to complications such as electrolyte imbalance,cardiovascular disease,a...
关键词:Chronic kidney disease Gut microbiota PREBIOTICS LACTOBACILLUS Bifi-dobacterium 
Simultaneous temperature and strain sensing based on a supermode interferometer
《Chinese Optics Letters》2025年第1期48-54,共7页Zhifeng Wang Jing Wen Mengshi Zhu Heming Wei Liang Zhang Fufei Pang 
supported by the National Key Research and Development Program of China(No.2023YFB3209500);the National Natural Science Foundation of China(No.U2241237);the China Postdoctoral Science Foundation(No.2024M751934);the Postdoctoral Fellowship Program of CPSF(No.GZC20240973)。
A novel Mach–Zehnder interferometer(MZI)sensor based on multiple supermode interferences that can be used for dualparameter measurements of temperature and strain is proposed and demonstrated.The MZI is made by splic...
关键词:SUPERMODE dual-parameter measurement fiber optic sensor Mach-Zehnder interferometer 
相容的Rota-Baxter约当代数
《理论数学》2025年第1期282-292,共11页宋芸文 
本文探讨了Rota-Baxter约当代数的表示及二维约当代数上可容许的伴随线性映射的构造。首先,引入了Rota-Baxter约当代数的定义,然后研究了两个Rota-Baxter约当代数相容的条件。最后构造了二维Rota-Baxter约当代数上可容许的伴随线性映射...
关键词:约当代数 Rota-Baxter算子 相容的Rota-Baxter约当代数 
基于TERGM方法的全球旅游服务贸易网络动态演化及形成机制
《地理科学》2025年第1期176-188,共13页王娟 马红梅 
山东省自然科学基金项目(ZR2023MG065);国家社会科学基金一般项目(24BGL134)资助。
基于2001-2019年WTO-OECD平衡服务贸易数据库(BaTIS),运用复杂网络分析考察全球201个国家(地区)间旅游服务贸易网络的拓扑结构、空间结构和社团结构动态演化特征,运用时间指数随机图模型(TERGM)分析网络的演化及形成机制。结果表明:全...
关键词:全球旅游服务贸易 旅游服务贸易网络 复杂网络分析 时间指数随机图模型 
Global dynamics of a hybrid Cholera model with phage-bacteria interaction
《International Journal of Biomathematics》2024年第8期61-90,共30页Zhenxiang Hu Linfei Nie 
supported by the Natural Science Foundation of Xinjiang Uygur Autonomous Region(Grant Nos.2022TSYCCX0015 and 2021D01E12);the National Natural Science Foundation of China(Grant No.12361103);the Scientific Research and Innovation Project of Outstanding Doctoral Students in Xinjiang University(Grant No.XJU2022BS022).
We propose,in this paper,a hybrid Cholera transmission model with phage to simulate the interaction between Vibrio cholerae and phages in the host population and environment,which is coupled with some reaction-diffusi...
关键词:Hybrid Cholera model environmental and phages basic reproduction number global asymptotical stability 
The Pinnacle of Painted Pottery:Unveiling a Brilliant Chapter of Prehistoric Culture in the Upper Yellow River
《China Book International》2024年第6期80-85,共6页Chuanguan News 
In July 2021,Sichuan Daily all-media delved into 11 representative ancient sites and interviewed dozens of archaeologists.This book uses a large number of field visit materials to show the internal connection between ...
关键词:PAINT UPPER INTERVIEW 
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