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WN: 作品数：257被引量：518H指数：12; 导出分析报告; 相关领域：理学医药卫生更多>>; 相关作者：陈殿华王明霞李玉光李德军李成超更多>>; 相关机构：徐州隆舟物资贸易有限公司徐州桓恒商贸有限公司徐州科铭物资贸易有限公司大连大学更多>>; 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国家科技支撑计划国家科技重大专项更多>>

基于Pell预计算和混合坐标系的增强型wNAF算法: 《计算机应用与软件》2025年第3期253-259,318,共8页安永丽伍莉; 国家科技部重点研发专项(2017YFE0135700);河北省高层次人才工程项目(A201903011);河北省自然科学基金项目(F2018209358)。; 为了提升标量乘运算的效率,提出一种基于Pell预计算(Pell Precomputation,PP)和混合坐标系(Mixed Coordinates,MC)的增强型wNAF算法。在预计算阶段用Pell数代替奇数和素数,减少点加和倍点运算次数;在评估阶段引入新型混合坐标系策略,将...; 关键词：椭圆曲线加密标量乘 Pell预计算混合坐标系 wNAF算法

Osgood条件下G-Brown运动驱动的多维倒向随机微分方程: 《应用概率统计》2025年第1期83-100,共18页张港江龙张伟; 国家自然科学基金面上项目(批准号:12171471);江苏省高校哲学社会科学基金项目(批准号:2022SJYB1263);江苏省科技计划专项(批准号:BM2022023)资助.; 本文建立了G-Brown运动驱动的多维倒向随机微分方程(G-BSDE)解的存在性和唯一性,其中G-BSDE的生成元f和gij关于变量y满足Osgood条件、关于变量z满足Lipschitz条件.; 关键词：G-Brown运动 G-BSDE Osgood条件存在唯一性

Numerical study on flow characteristics of large copper smelting bottom-blown furnace under strong and weak coupling oxygen supply: 《Journal of Central South University》2025年第2期363-375,共13页JIANG Bao-cheng GUO Xue-yi WANG Song-song WANG Qin-meng; Project(2022YFC3901501)supported by the National Key R&D Program of China;Project(U20A20273)supported by the National Natural Science Foundation of China;Project(2022JJ10078)supported by the Natural Science Foundation for Distinguished Young Scholars of Hunan Province,China;Project(2021RC3005)supported by the Science and Technology Innovation Program of Hunan Province,China。; The melt stirring in a large copper smelting oxygen bottom-blown furnace is caused by the large amount of gas movement blown in by two rows of oxygen lances.At present,the two rows of oxygen lances provide oxygen of e...; 关键词：large bottom-blown furnace oxygen supply flow characteristics initial bubbles

HSG、Wnt/Ca^(2+)信号通路参与COPD相关性肺动脉高压血管重塑的研究: 《贵州医药》2025年第2期177-180,共4页吴闽付陶金艳宋国林葛正行李波罗克佩严眉; 贵州省卫生健康委科学技术基金项目(gzwkj2023-128)。; 目的本研究旨在通过动物实验探讨COPD相关性肺动脉高压肺动脉平滑肌细胞增值过程HSG基因及Wnt/Ca^(2+)途径作用。方法运用模拟COPD相关性肺动脉高压发病过程及机制构建PH模型,随后对正常组及模型组大鼠肺动脉平滑肌细胞进行定向培养,并...; 关键词：COPD相关肺动脉高压 HSG基因 Wnt/Ca 2+信号通路平滑肌细胞

Numerical Simulation of Flow and Temperature Distribution in a Bottom-Blown Copper Bath: 《Fluid Dynamics & Materials Processing》2025年第1期121-140,共20页Teng Xia Xiaohui Zhang Ding Ma Zhi Yang Xinting Tong Yutang Zhao Hua Wang; Supported by Yunnan Fundamental Research Projects(Nos.202301AT070469,202301AT070275);Supported by Yunnan Major Scientific and Technological Projects(No.202202AG050002).; Smelting with oxygen bottom blowing is one of the main methods used in the frame of copper pyrometallurgy.With this approach,feed materials and oxygen-enriched air are introduced in reversed order to enhance multiphas...; 关键词：Copper smelting bottom-blown melting furnace flow characteristics temperature distribution numerical simulation

WD-WNN-LSTM组合模型在东北寒区河流水沙模拟中的应用: 《水文》2024年第4期32-37,共6页刘圣涵吕岩王仰光顾振宇周翠宁; 水利部重大科技项目(SKS-2022017)。; 为分析河流水沙演变规律、预测水沙变化趋势,根据典型河流年径流量、输沙量等水文站实测系列资料,建立适用于北方寒区河流特征的WD-WNN-LSTM组合模型,并将其结果与LSTM模型、WNN模型预测结果进行对比分析。研究表明:组合模型在年径流量...; 关键词：东北寒区水沙预测 WD-WNN-LSTM模型

Cu掺杂WN松枝状自支撑纳米阵列的制备及其碱性析氢性能的研究: 《石油化工高等学校学报》2024年第4期57-65,共9页李乐乐申丽莎涂志明卢卓信谭弘毅杨轶闫常峰; 国家自然科学基金项目(52276222);中国科学院国际伙伴计划项目(118GJHZ2022029MI);广州市科技计划项目(2024A04J4818,202103040002,202206050003);安徽省重点研发项目(2023t07020022)。; 以偏钨酸铵、乙酸铜等为原料,通过控制掺杂比,采用简单的水热法,合成了形貌不同的前驱体,随后结合高温退火法,在碳纸上成功实现了Cu掺杂WN松枝状自支撑纳米阵列(Cu-WN-5:1)的原位生长;利用SEM、TEM、XRD、XPS等测试手段对样品的形貌和...; 关键词：氮化钨过渡金属掺杂碱性析氢电催化阵列结构

CFD modeling of gas−liquid flow phenomenon in lead smelting oxygen-enriched side-blown furnace: 《Transactions of Nonferrous Metals Society of China》2024年第8期2671-2685,共15页Zhen-yu ZHU Ping ZHOU Xing-bang WAN Zhuo CHEN Ling ZHANG Shi-bo KUANG; the support from the National Key R&D Program of China(No.2018YFC1901606).; A validated numerical model was established to simulate gas−liquid flow behaviors in the oxygen-enriched side-blown bath furnace.This model included the slip velocity between phases and the gas thermal expansion effec...; 关键词：multiphase flow horizontal gas injection backward motion of airflow gas thermal expansion side-blown furnace lead smelting

Study on the influence of side-blown airflow velocities on plasma and combustion wave generated from fused silica induced by combined pulse laser: 《Plasma Science and Technology》2024年第7期165-176,共12页余昊蔡继兴毛洪涛王云鹏李忆李顺; funded by the International Science and Technology Cooperation Project of Jilin Provincial Department of Science and Technology(No.20230402078GH)。; This study examines the impact of variations in side-blowing airflow velocity on plasma generation,combustion wave propagation mechanisms,and surface damage in fused silica induced by a combined millisecond-nanosecond...; 关键词：different airflow speeds PLASMA combustion wave different pulse delay surface damage

Grassland management intensity determines root development,soil structure,and their interrelationship:Results of a regional study of Leptosols in the Swabian Alps被引量：1: 《Grassland Research》2024年第2期171-186,共16页Katrin Kuka Monika Joschko; Deutsche Forschungsgemeinschaft,Grant/Award Number:DFG-Jo228/8-1。; Background:Soil structure is a key indicator of the functioning of soil processes in grasslands,which is influenced by site conditions and management.Methods:In this study,we investigated soil structure and its relati...; 关键词：land use intensity meadow-mown pasture-pasture soil structure root-soil interaction X-ray microcomputed tomography

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