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PROPORTIONS: 作品数：70被引量：86H指数：5; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：汪永辉更多>>; 相关机构：云南瑞升烟草技术(集团)有限公司南京市第一医院华南师范大学更多>>; 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河北省自然科学基金国家高技术研究发展计划更多>>

Influence of land use on spatial distribution of primary productivity in aquatic environment in the Weihe River Basin, China: 《Journal of Arid Land》2025年第3期304-323,共20页ZHANG Haoying LI Nan SONG Jinxi WANG Fei TANG Bin GUAN Mengdan ZHANG Chaosong ZHANG Yuchen; jointly supported by the National Natural Science Foundation of China (42230513);Key Program of the Shaanxi Key Laboratory of Environmental Monitoring and Forewarning of Trace Pollutants (SHJKFJJ 202307);Research Project on Ecological Protection and High-Quality Development in the Yellow River Basin,China (2022-YRUC-01-0101)。; Increasing concerns regarding aquatic ecological health and eutrophication driven by urbanization and human activities have highlighted the need to understand primary productivity(PP)dynamics in aquatic ecosystems. Th...; 关键词：CHLOROPHYLL-A water physical-chemical parameters land use proportions spatial heterogeneity Mantel test Spearman analysis inverse distance weighting

Preparation of Flaxseed Meal Protein Renewable Bioadhesive by Using Small Proportions of Trimethylolpropane Trigglycidyl Ether and Ethylenediamine: 《Journal of Renewable Materials》2025年第2期297-310,共14页Chenglong Zhong Xianfeng Hou Shuai Peng Zhenzhong Gao Qiaofang Zhou Shijing Yan; The main raw material utilized in wood adhesives comes from petrochemical extractives.However,due to the excessive dependence on petrochemical resources and the adverse impact on the ecosystem and human wellbeing,ther...; 关键词：Flaxseed meal protein-based adhesives wet shear strength PLYWOOD TTE EN

Welfare analysis with uncertain market segment proportions: 《Journal of Management Science and Engineering》2024年第4期535-552,共18页Yijun Wang Shiting Ren Xuan Zhou Junqing Kang; supported by Fundamental Research Funds for the Central Uni versities[2023JBW8001];the National Natural Science Foundation of China[grant numbers 72201286,72072042];Humanities and Social Science Fund of Ministry of Education of China[23YJC910008].; This study theoretically explores the impact of market segmentation uncertainty on pro-ducers'production decisions and their subsequent effects on producers'profits,consumer surplus,and social welfare.This uncertainty...; 关键词：WELFARE UNCERTAINTY Market segments Capital constraint Misallocation

Plant stoichiometry in relation to relative growth rate: 《Journal of Plant Ecology》2024年第6期405-410,共6页Göran I.Ågren; Plants need certain proportions between elements for proper growth and functioning.These proportions vary with growth conditions and it has generally been found that with increasing relative growth rates P:N should in...; 关键词：ecological stoichiometry relative growth rate Betula pendula nitrogen ideal nutrient proportions stoichiometric plasticity

Study on the use of different machine learning techniques for prediction of concrete properties from their mixture proportions with their deterministic and robust optimisation: 《AI in Civil Engineering》2024年第1期295-318,共24页Sumanta Mandal Amit Shiuly Debasis Sau Achintya Kumar Mondal Kaustav Sarkar; The construction industry relies so heavily on concrete that it’s crucial to precisely forecast and optimize the strength and workability of concrete mixtures,while reducing costs as much as possible.For this objecti...; 关键词：Concrete mixture PREDICTION Machine learning techniques Deterministic optimisation Robust optimisation

Geometric investigation of entrance proportions of houses from the Qajar to the beginning of the early Pahlavi in Dezful City(1789—1979): 《Frontiers of Architectural Research》2024年第1期57-78,共22页Raziyeh Rezadoost Dezfuli Mohammad Mehrakizadeh Behnaz Safar Ali Najar Hassan Bazazzadeh Mohammadjavad Mahdavinejad; Due to the importance of the historical context of Dezful City,investigating historic buildings is necessary.But unfortunately,a large part of it is being destroyed.For this reason,it is essential to discover the guid...; 关键词：PROPORTIONS Historical houses House entrance Dezful city Qajar period to early Pahlavi

An expectation–maximization algorithm for estimating proportions of deletions among bacterial populations with application to study antibiotic resistance gene transfer in Enterococcus faecalis被引量：2: 《Marine Life Science & Technology》2023年第1期28-43,共16页Yu Zhang Cong Zhang Wenwen Huo Xinlei Wang Michael Zhang Kelli Palmer Min Chen; This work was supported by the National Institutes of Health[Grant R15GM131390 to X.W.,Grant R01CA245294 to M.Z.,and Grant R01AI116610 to K.P.]。; The emergence of antibiotic resistance in bacteria limits the availability of antibiotic choices for treatment and infection control,thereby representing a major threat to human health.The de novo mutation of bacteria...; 关键词：Bacterial genomes CRISPR-Cas system Antibiotic resistance EM algorithm Proportion estimation

Uncertainties of landslide susceptibility prediction:Influences of different spatial resolutions,machine learning models and proportions of training and testing dataset被引量：3: 《Rock Mechanics Bulletin》2023年第1期65-81,共17页Faming Huang Zuokui Teng Zizheng Guo Filippo Catani Jinsong Huang; This research is funded by the National Natural Science Foundation of China(41807285,41762020,51879127 and 51769014E);Natural Science Foundation of Hebei Province(D2022202005).; This study aims to reveal the impacts of three important uncertainty issues in landslide susceptibility prediction(LSP),namely the spatial resolution,proportion of model training and testing datasets and selection of ...; 关键词：Landslide susceptibility prediction Uncertainty analysis Machine learning models Conditioning factors Spatial resolution Proportions of training and testing dataset

Heavy ion‑induced MCUs in 28nm SRAM‑based FPGAs:upset proportions,classifications,and pattern shapes被引量：1: 《Nuclear Science and Techniques》2022年第12期128-137,共10页Shuai Gao Xin‑Yu Li Shi‑Wei Zhao Ze He Bing Ye Li Cai You‑Mei Sun Guo‑Qing Xiao Chang Cai Jie Liu; supported by the National Natural Science Foundation of China(Nos.12035019 and 11690041).; For modern scaling devices,multiple cell upsets(MCUs)have become a major threat to high-reliability field-programmable gate array(FPGA)-based systems.Thus,both performing the worst-case irradiation tests to provide th...; 关键词：FPGAS Heavy ions Multiple cell upsets Extraction Worse irradiation

Heavy Ion-induced MCUs in 28 nm SRAM-based FPGAs:Upset Proportions,Classi cations,and Pattern Shapes: 《IMP & HIRFL Annual Report》2022年第1期123-124,共2页Gao Shuai Liu Jie Xiao Guoqing; National Natural Science Foundation of China(12035019,11690041)。; Static random-access memory(SRAM)-based eld programmable gate arrays(FPGAs)are sensitive to radiationinduced single event upsets(SEUs)^([1]).Single-bit upsets(SBUs),as a well-known effect in FPGAs,occur when the energ...; 关键词：MCU SRAM FPGAS

PROPORTIONS