云南高校图书馆联盟文献共享服务平台- NDR

NDR: 作品数：79被引量：180H指数：8; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：林弥邱明华麻献微姜威安华章更多>>; 相关机构：杭州电子科技大学第二军医大学重庆大学中国科学院更多>>; 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吉林省科技发展计划基金地震科学联合基金更多>>

饮用水水源地磷素非点源污染的溯源模拟——以安徽省岳西县相公庙水库流域为例: 《环境生态学》2025年第3期153-162,共10页王自豪吴楠王爱华王蕾程鹏周春财; 2023年安徽省生态环境科研项目(2023hb0008);安徽省科技攻关计划项目(202004a06020030);安徽省社会科学创新发展研究课题攻关项目(2022CX047)资助。; 相公庙水库及其入库主干鹭鸶河是安徽省安庆市岳西县县城的在用地表水源,流域内农业与农村非点源污染是威胁水质的主因。本研究以磷素为指示污染物,采用“三调”底图和“二污普”系数进行了InVEST营养物传输率模型(NDR)的运用,结果表明:...; 关键词：饮用水水源岳西县相公庙水库 NDR模型磷素污染溯源治理对策

NDR双盘磨浆机结构特性及性能优势: 《中华纸业》2025年第1期31-33,共3页牛江廷; 经过对N DR双盘磨浆机结构设计原理的分析,剖析了该类设备的技术性能优势,并通过实际生产应用,验证了产品的运行效果和技术特性。; 关键词：NDR双盘磨浆机结构特性优势

Silicon cross-coupled gated tunneling diodes: 《Chip》2024年第2期79-87,共9页Zhenyun Tang Zhe Wang Zhigang Song Wanhua Zheng; supported by the National Key Research and Development Program of China under Grant No.2021YFB2800304.; Tunneling-based static random-access memory(SRAM)devices have been developed to fulfill the demands of high density and low power,and the performance of SRAMs has also been greatly promoted.However,for a long time,the...; 关键词：Low power Silicon-based tunneling device Negative differential resistance(NDR) Peak-to-valley current ratio(PVCR) TCAD simulation

基于NDR-CVA的遥感影像自适应变化检测: 《测绘技术装备》2024年第1期24-29,共6页徐超于贵军龚胜东曾开云; 针对遥感影像自适应变化检测中差异影像的构造和阈值分割两大问题,本文首先提出了基于邻域信息的变化向量差值比值融合法(NDR-CVA),实现了差值比值融合法的扩展,有效提取了变化信息;然后,利用改进的二维最大类间方差法(2D-OTSU)进行阈...; 关键词：差异影像阈值分割变化向量最大类间方差变化检测

IndRT-GCNets: Knowledge Reasoning with Independent Recurrent Temporal Graph Convolutional Representations: 《Computers, Materials & Continua》2024年第1期695-712,共18页Yajing Ma Gulila Altenbek Yingxia Yu; the National Natural Science Founda-tion of China(62062062)hosted by Gulila Altenbek.; Due to the structural dependencies among concurrent events in the knowledge graph and the substantial amount of sequential correlation information carried by temporally adjacent events,we propose an Independent Recurr...; 关键词：Knowledge reasoning entity and relation representation structural dependency relationship evolutionary representation temporal graph convolution

An easy,convenient statistical method to analyze bark beetle populations: 《Journal of Forestry Research》2023年第6期2027-2040,共14页Andrzej Borkowski; supported by the Ministry of Science and Higher Education in Poland(grant No.612464)。; A non-invasive method to estimate the number of Trypodendron lineatum holes on dead standing pines(Pinus sylvestris L.)was developed using linear and nonlinear estimations.A clas sical linear regres sion model was fir...; 关键词：Trypodendron lineatum Pinus sylvestris POPULATION Wood decomposition Forest management Piecewise linear regression

天津地区HBsAg阴性NDR献血者HBV感染状态的研究被引量：1: 《齐齐哈尔医学院学报》2023年第22期2165-2169,共5页王全慧樊晶; 目的分析应用单个标本核酸检测(ID-NAT)后,联检反应性鉴别阴性即鉴别非反应性(NDR)且HBsAg-献血者HBV感染状态。方法将本中心2021年9月—2022年3月的52 608份无偿献血者标本经常规检测和ID-NAT检测后,共检出HBsAg ELISA-TMA核酸检测...; 关键词：献血者核酸检测血清学标志物隐匿性乙型肝炎病毒感染

Optimized Deep Learning Approach for Efficient Diabetic Retinopathy Classification Combining VGG16-CNN: 《Computers, Materials & Continua》2023年第11期1855-1872,共18页Heba M.El-Hoseny Heba F.Elsepae Wael A.Mohamed Ayman S.Selmy; Diabetic retinopathy is a critical eye condition that,if not treated,can lead to vision loss.Traditional methods of diagnosing and treating the disease are time-consuming and expensive.However,machine learning and dee...; 关键词：No diabetic retinopathy(NDR) convolution layers(CNV layers) transfer learning data cleansing convolutional neural networks a visual geometry group(VGG16)

南四湖流域近45a水质净化服务功能的时空演变及其影响因素被引量：3: 《生态与农村环境学报》2023年第8期990-998,共9页叶敦雨孙小银单瑞峰; 山东省自然科学基金(ZR2021MD088)。; 研究区域生态系统的水质净化服务功能的时空变化趋势及其驱动因素可以更加有效地保护流域水环境和合理开展土地利用规划。以南四湖流域1975-2020年9期土地利用数据为基础,以流域氮、磷输出负荷表征水质净化服务功能,运用InVEST-Nutrient...; 关键词：InVEST-NDR模型土地利用景观格局南四湖流域地理探测器水质净化服务功能

Two-dimensional tetragonal ZnB: A nodalline semimetal with good transport properties: 《Chinese Physics B》2023年第6期529-536,共8页赵永春朱铭鑫李胜世李萍; Project supported by the Natural Science Foundation of Shandong Province, China (Grant No. ZR2019MA041);Taishan Scholar Project of Shandong Province, China (Grant No. ts20190939);the National Natural Science Foundation of China (Grant No. 62071200)。; Nodal-line semimetals have become a research hot-spot due to their novel properties and great potential application in spin electronics. It is more challenging to find 2D nodal-line semimetals that can resist the spin...; 关键词：nodal-line semimetals negative differential resistance(NDR)effect horizontal mirror symmetry

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