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STOCK: 作品数：593被引量：661H指数：13; 导出分析报告; 相关领域：经济管理更多>>; 相关作者：张菊亮周洪权洁霞庄志猛孟宪红更多>>; 相关机构：中国农业大学清华大学上海交通大学深圳大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

改进Gibbs-Poole-Stockmeyer算法加速车-桥耦合振动分析的应用研究: 《中国公路学报》2025年第2期164-174,共11页刘修平韩万水杨干袁阳光刘博苏宁; 国家重点研发计划项目(2021YFB1600300);国家自然科学基金项目(52308200);陕西省自然科学基础研究计划项目(2023-JC-YB-321)。; 为应对千米级双层随机车流-桥梁耦合振动高效分析需求,从降低桥梁子系统存储量和运算成本的角度出发,提出了一种基于改进Gibbs-Poole-Stockmeyer算法的车-桥耦合振动分析加速方法。首先,通过结构离散化模型对改进的Gibbs-Poole-Stockme...; 关键词：桥梁工程车-桥耦合振动数值分析 Gibbs-Poole-Stockmeyer算法刚度矩阵带宽

Forest Soil Organic Carbon Review: 《American Journal of Plant Sciences》2025年第1期155-169,共15页Lin Guan Yi Sun Mingqing Yuan Jie Li Yanjie Zhang Jingyi Tang; As an important component of the global carbon cycle, forest soil organic carbon has a crucial impact on the stability of ecosystems and climate change. As one of the largest carbon pools in terrestrial ecosystems, th...; 关键词：FOREST Soil Organic Carbon Global Carbon Cycle Soil Carbon Stock

The game of lies by stock investors in social media:a study based on city lockdowns in China: 《Financial Innovation》2024年第1期1643-1679,共37页Qing Liu Hosung Son Woon-Seek Lee; The potential hypotheses for finance research based on social media sentiment revolve around the reliability of investor sentiment expressed on social media and the causal relationship between financial markets and th...; 关键词：LIES Social media Investor sentiment Public opinion Lockdown

Stock trend prediction method coupled with multilevel indicators: 《Journal of Southeast University(English Edition)》2024年第4期425-431,共7页Liu Yu Pan Yuting Liu Xiaoxing; The National Natural Science Foundation of China(No.72173018).; To systematically incorporate multiple influencing factors,the coupled-state frequency memory(Co-SFM)network is proposed.This model integrates Copula estimation with neural networks,fusing multilevel data information,...; 关键词：stock trend prediction multilevel indicators COPULA state-frequency memory network

Approximation Algorithms for Constructing Steiner Trees in the Euclidean Plane R^(2)Using Stock Pieces of Materials with Fixed Length: 《Journal of the Operations Research Society of China》2024年第4期996-1021,共26页Jian-Ping Li Wen-Cheng Wang Jun-Ran Lichen Yu-Jie Zheng; supported by the National Natural Science Foundation of China(Nos.11861075 and 12101593);Project for Innovation Team(Cultivation)of Yunnan Province(No.202005AE160006);supported by Fundamental Research Funds for the Central Universities(No.buctrc202219);supported by Project of Yunling Scholars Training of Yunnan Province(No.K264202011820).; In this paper,we address the problem of constructing a Steiner tree in the Euclidean plane R^(2)using stock pieces of materials with fixed length,which is modelled as follows.Given a set X={r_(1),r_(2)…,r_(n)}of n te...; 关键词：Combinatorial optimization Euclidean plane Steiner tree Stock pieces of materials with fixed length Approximation algorithms

Personal data security and stock crash risk:Evidence from China’s Cybersecurity Law: 《China Journal of Accounting Research》2024年第4期1-23,共23页Ziwei Song; Using China’s Cybersecurity Law(CSL)as an exogenous shock,I examine how personal data security affects stock crash risk.I find that the stock crash risk of treatment firms(which collect personal data)significantly de...; 关键词：Personal Data Data Security Stock Crash Risk Cybersecurity Law

Phlorotannins from Brown Algae as a Sustainable Aquatic Feedstock for Epoxy Resins: 《Journal of Materials Science and Chemical Engineering》2024年第11期94-106,共13页Andreas Winkel Martin Kahlmeyer Stefan Böhm Thomas Fuhrmann-Lieker Maximilian Heiko Burk; Bisphenol A (BPA) is the primary chemical used in the production of epoxy resins but as of today is not widely available in a bio-based form. BPA is also classified as a substance of very high concern due to its repro...; 关键词：Epoxy Resins ALGAE PHLOROTANNINS

Transcriptional regulation of MdPIN7 by MdARF19 during gravityinduced formation of adventitious root GSA in self-rooted apple stock: 《Horticultural Plant Journal》2024年第5期1073-1084,共12页Zenghui Wang Xuemei Yang Linyue Hu Wei Liu Lijuan Feng Xiang Shen Yanlei Yin Jialin Li; the National Natural Science Foundation of China(Grant Nos.32102310,32202484,and 32072520);the Shandong Key Research and Development Program,China(Grant Nos.2021LZGC007 and 2022TZXD009).; Self-rooted apple stock is widely used for apple production.However,the shallowness of the adventitious roots in self-rooted apple stock leads to poor performance in the barren orchards of China.This is because of the...; 关键词：APPLE Self-rooted stock GRAVITY MdARF19 MdPIN7 Gravitropic set-point angle Transcriptional regulation

Stock Type Prediction Based on Multiple Machine Learning Methods: 《Journal of Intelligent Learning Systems and Applications》2024年第3期242-261,共20页Zhonger Zhu Wansheng Wang; Stocks in the Chinese stock market can be divided into ST stocks and normal stocks, so to prevent investors from buying potential ST stocks, this paper first performs SMOTEENN oversampling data preprocessing for the S...; 关键词：Stock Classification Boruta Algorithm COPULA Machine Learning INTERACTION

How Does the Blue C Stock Vary in Restored and Degraded Wetlands Across Land Cover Mosaics? Evidences from Medinipur Coastal Plain, India: 《Journal of Resources and Ecology》2024年第4期898-908,共11页Mansa DEY Mrinmoyee NASKAR Sohini NEOGY Debajit DATTA; The Early Career Research Award(ECR/2017/003380);The Project of Science and Engineering Research Board,Department of Science and Technology,Government of India(DST-SERB).; Coastal wetlands are of paramount importance as major reservoirs of blue carbon(C),playing a crucial role in providing nature-based solutions to mitigate climatic changes.This research aimed to analyse the dynamics of...; 关键词：blue C pools coastal wetland dendrometric variable landscape transformation mangrove plantation wetland restoration

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