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CHAIN: 作品数：1276被引量：1740H指数：17; 导出分析报告; 相关领域：理学医药卫生更多>>; 相关作者：韩俊林李晓松丛方媛王彩玲师义民更多>>; 相关机构：四川大学中国科学技术大学武汉大学浙江大学更多>>; 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高技术研究发展计划国家社会科学基金更多>>

Frequency comb generation from the ultraviolet to mid-infrared region based on a three-stage cascaded PPLN chain: 《Photonics Research》2024年第9期2012-2017,共6页XIONG QIN DAPING LUO LIAN ZHOU JIAYI PAN ZEJIANG DENG GEHUI XIE CHENGLIN GU WENXUE LI; National Natural Science Foundation of China(12204178,12104162,12134004,12274141).; Optical frequency combs(OFCs)have enabled significant opportunities for high-precision frequency metrology and high-resolution broadband spectroscopy.Although nonlinear photonics chips have the capacity of frequency e...; 关键词：ULTRAVIOLET METROLOGY EXPANSION

Dynamic Simulation and Test Verifcation of Hydraulic Automatic Tensioner for an Engine Timing Chain Drive System: 《Chinese Journal of Mechanical Engineering》2023年第5期291-303,共13页Zengming Feng Jinxing Yang Fei Wang; As a fundamental component of an automobile engine’s timing chain drive system, the hydraulic automatic tensioner signifcantly enhances fuel economy while minimizing system vibrations and noise. However, there is a n...; 关键词：Hydraulic automatic tensioner Timing chain Leakage gap Hysteresis curve

"Metrology is a key component of the industrial value-added chain":an interview with Prof.Wolfgang Osten: 《Light(Science & Applications)》2022年第10期2288-2293,共6页Shuai Ding; Short Bio:Dr.,Prof.Wolfgang Osten received the MSc/Diploma in Physics from the Friedrich-Schiller-University Jena in 1979.From 1979 to 1991 he was working at the Academy of Sciences in Berlin in several institutes mak...; 关键词：METROLOGY COMPONENT INTERVIEW

Numerical Modelling of the Powder Metallurgical Manufacturing Chain of High Strength Sintered Gears: 《Chinese Journal of Mechanical Engineering》2021年第6期3-20,共18页Ali Rajaei Yuanbin Deng Oliver Schenk Soheil Rooein Alexander Bezold Christoph Broeckmann; Supported by the German Research Foundation DFG(Project-ID:390621612)within the Cluster of Excellence Inter-net of Production(IoP).; This paper presents a digital model for the powder metallurgical(PM)production chain of high-performance sintered gears based on an integrated computational materials engineering(ICME)platform.Discrete and finite elem...; 关键词：ICME Process chain Powder metallurgy Multiscale modelling and simulation Digital model Sintered gear

基于分阶段迭代模型的产品设计任务分布方案优化被引量：1: 《三峡大学学报（自然科学版）》2019年第6期92-96,112,共6页田启华鄢君哲董群梅张玉蓉周祥曼; 国家自然科学基金资助项目(51475265); 针对产品开发中任务分布的不合理会导致产品开发时间延长的问题,引入设计结构矩阵,运用Markov Chain方法对耦合设计迭代过程进行分析,得到迭代过程的时间成本与设计结构矩阵中表示任务周期、返工概率的参数的关系,进而获得有利于缩短开...; 关键词：分阶段迭代模型任务分布设计结构矩阵方案优化 MARKOV CHAIN

Dynamic Analysis on the Main Transmission Device of Wooden Ice Cream Sticks Branding Machine: 《Journal of Donghua University(English Edition)》2019年第3期234-238,共5页LIU Wenzhi HUANG Mingjun LI Weiguo MA Zhibin; Key Scientific Research Project of the Inner Mongolia Autonomous Region University,China(No.NJZZ18075);Natural Science Fund of Inner Mongolia Autonomous Region,China(No.2018M S05060);Education Scientific Research 13th Five-Year Plan of Inner Mongolia Autonomous Region,China(No.NGJGH2018066); In order to reduce the labor intensity,improve the production efficiency and enhance the equipment stability and the branding accuracy of the pattern,we have completed a double-row high-efficiency wooden ice cream sti...; 关键词：ice CREAM BRANDING MACHINE rigid-flexible coupling multi-body dynamics CHAIN drive transmission

基于贝叶斯推断的裂纹梁损伤参数识别被引量：3: 《上海海事大学学报》2018年第3期85-91,共7页梁岗沈奎双马玉付; 国家高技术研究发展计划("八六三"计划)(2005AA11Z123);上海市重点学科建设项目(S30602); 针对在结构损伤诊断过程中存在的不确定性和对称结构损伤参数难以识别的问题,以梁损伤前后两阶频率变化平方比为基础损伤指标,采用对基础损伤指标进行积分处理的方法,构建新的损伤指标。基于贝叶斯结构损伤诊断理论,建立损伤参数的后验...; 关键词：贝叶斯推断简支梁裂纹损伤识别马尔科夫链蒙特卡洛(Markov CHAIN MONTE Carlo MCMC)方法

Precision glass molding： Toward an optimal fabrication of optical lenses被引量：6: 《Frontiers of Mechanical Engineering》2017年第1期3-17,共15页Liangchi ZHANG Weidong LIU; It is costly and time consuming to use machining processes, such as grinding, polishing and lapping, to produce optical glass lenses with complex features. Precision glass molding （PGM） has thus been developed to re...; 关键词：precision glass molding optical lens consti-tutive modeling optimization manufacturing chain Indus-try 4.0

Calibration chain design based on integrating sphere transfer radiometer for SI-traceable on-orbit spectral radiometric calibration and its uncertainty analysis被引量：1: 《Chinese Physics B》2016年第9期276-283,共8页赵维宁方伟孙立微崔立红王玉鹏; Project supported by the National Natural Science Foundation of China(Grant No.41474161);the National High-Technology Program of China(Grant No.2015AA123703); In order to satisfy the requirement of SI-traceable on-orbit absolute radiation calibration transfer with high accuracy for satellite remote sensors,a transfer chain consisting of a fiber coupling monochromator（FBM）...; 关键词：SI-traceable calibration on-orbit high-accuracy transfer chain integrating sphere transfer radiometer uncertainty analysis

Gushing metal chain被引量：1: 《Frontiers of Mechanical Engineering》2016年第1期95-100,共6页Alexander BELYAEV Alexander SUKHANOV Alexander TSVETKOV; This article addresses the problem in which a chain falls from a glass from some height. This phenomenon demonstrates a paradoxical rise of the chain over the glass. To explain this effect, an initial hypothesis and a...; 关键词：CHAIN FOUNTAIN Meshchersky equation Cayley＇s problem

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