检索结果-南通市图书馆

同方期刊数据库博看期刊评论

在线全文

学校读者我要写书评

暂无评论

知识管理提升企业创新能力的实证研究

清华大学学报（自然科学版） 2006年第z1期46卷 956-963页

作者：董小英蒋贵凰刘倩倩北京大学光华管理学院信息系统与物流管理系北京100871 北京城市学院信息学部北京100086

知识管理是近年来理论界关注的新课题,在日趋复杂的管理变革中,知识管理、信息技术(IT)的应用,企业的发展战略和内部环境如何影响企业创新能力是需要深入探讨的课题。该文以资源学派理论为依托,提出创新影响要素的实证研究模型和各项概... 详细信息

知识管理是近年来理论界关注的新课题,在日趋复杂的管理变革中,知识管理、信息技术(IT)的应用,企业的发展战略和内部环境如何影响企业创新能力是需要深入探讨的课题。该文以资源学派理论为依托,提出创新影响要素的实证研究模型和各项概念的测量指标,利用结构方程和线性回归模型,验证了知识管理水平是影响企业创新能力的主要因素;组织内部环境和IT应用通过知识管理水平间接地对企业创新能力产生影响;未来性战略对创新能力的提升有较强的正面影响等结论。

关键词：知识管理创新能力 IT应用企业战略组织内部环境

Application of Six Sigma Theory in Process Reengineering of Food Safety Monitoring Laboratory

在线全文

学校读者我要写书评

暂无评论

Asian Agricultural Research 2014年第3期6卷 53-54,59页

作者： Suzhen ZHU qianqian liu Chao LIN Lei WANG Yun MA Shandong Entry-Exit Inspection and Quarantine Bureau

Based on the survey of customer satisfaction,the authors found existing problems in inspection process of the food safety monitoring laboratory A( including the whole process from receiving samples to issue of inspection report),and determined solutions using flow chart supplied by sig sigma( 6σ) theory. Through comparing overall effect before and after improvement of the inspection process,it is proved that 6σmanagement theory is a new effective management tool for eliminating errors,simplifying process,and meeting requirements of customers to the maximal extent.

关键词： Six sigma(6σ) Food safety Laboratory Inspection pr

Multilevel optoelectronic hybrid memory based on N-doped Ge_(2)Sb_(2)Te_(5)film with low resistance drift and ultrafast speed

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Physics B 2023年第10期32卷 724-730页

作者：吴奔魏涛胡敬王瑞瑞刘倩倩程淼李宛飞凌云刘波 Suzhou Key Laboratory for Nanophotonic and Nanoelectronic Materials and Its Devices School of Materials Science and EngineeringSuzhou University of Science and TechnologySuzhou 215009China State Key Laboratory of Functional Materials for Informatics Shanghai Institute of Microsystem and Information TechnologyChinese Academy of SciencesShanghai 200050China

Multilevel phase-change memory is an attractive technology to increase storage capacity and density owing to its high-speed,scalable and non-volatile ***,the contradiction between thermal stability and operation speed is one of key factors to restrain the development of phase-change ***,N-doped Ge_(2)Sb_(2)Te_(5)-based optoelectronic hybrid memory is proposed to simultaneously implement high thermal stability and ultrafast operation *** picosecond laser is adopted to write/erase information based on reversible phase transition characteristics whereas the resistance is detected to perform information *** show that when N content is 27.4 at.%,N-doped Ge_(2)Sb_(2)Te_(5)film possesses high ten-year data retention temperature of 175℃and low resistance drift coefficient of 0.00024 at 85℃,0.00170 at 120℃,and 0.00249 at 150℃,respectively,owing to the formation of Ge–N,Sb–N,and Te–N *** SET/RESET operation speeds of the film reach 520 ps/13 *** parallel,the reversible switching cycle of the corresponding device is realized with the resistance ratio of three orders of ***-level reversible resistance states induced by various crystallization degrees are also obtained together with low resistance drift ***,the N-doped Ge_(2)Sb_(2)Te_(5)thin film is a promising phase-change material for ultrafast multilevel optoelectronic hybrid storage.

关键词： multilevel optoelectronic hybrid memory N-doped Ge_(2)Sb_(2)Te_(5)thin film low resistance drift ultrafast speed

在线全文

学校读者我要写书评

暂无评论

论土地制度对徽州历史档案传世留存的影响

档案学研究 2015年第3期 116-119页

作者：刘倩倩上海大学图书情报档案系上海200444

土地档案占徽州历史档案的绝大部分,土地制度对徽州历史档案的留存传世有着全面而深刻的影响。本文在分析徽州土地制度及其演变过程的基础上,梳理土地制度影响下产生的档案,并从观念导向、诉讼需求、价值传递和制度保障四个方面分析土... 详细信息

土地档案占徽州历史档案的绝大部分,土地制度对徽州历史档案的留存传世有着全面而深刻的影响。本文在分析徽州土地制度及其演变过程的基础上,梳理土地制度影响下产生的档案,并从观念导向、诉讼需求、价值传递和制度保障四个方面分析土地制度对徽州历史档案传世留存的影响。

关键词：徽州历史档案土地制度

人口收缩背景下东北三省市域经济与基本公共服务协调发展测度与驱动机制

在线全文

学校读者我要写书评

暂无评论

经济地理 2023年第6期43卷 22-32页

作者：刘倩倩吴相利哈尔滨师范大学地理科学学院中国黑龙江哈尔滨150025

人口收缩背景下缩小城市经济发展差距、推进基本公共服务均等化并实现二者协调持续发展是实施区域协调发展战略的重要举措。运用熵值法、耦合协调度模型、Dagum基尼系数等方法测度分析了2010—2020年东北三省34个地级以上市域经济发展... 详细信息

人口收缩背景下缩小城市经济发展差距、推进基本公共服务均等化并实现二者协调持续发展是实施区域协调发展战略的重要举措。运用熵值法、耦合协调度模型、Dagum基尼系数等方法测度分析了2010—2020年东北三省34个地级以上市域经济发展与基本公共服务协调度的时空特征,并对不同人口收缩类型市域进行差异性分析,运用地理探测器探析协调发展的驱动机制。结果表明:(1)市域经济发展与基本公共服务协调度呈上升态势但总体水平较低,协调度呈“南高北低”的空间格局;协调水平与经济发展水平、基本公共服务水平均呈现“人口增长型>轻度收缩型>中度收缩型>重度收缩型>严重收缩型”的发展演化特征。(2)协调度空间分异总体呈下降态势,人口增长型与严重收缩型、重度收缩型的组间差距较大,不同人口收缩类型市域组间差异是协调度空间分异的主要成因。(3)协调度的空间分异是由政府宏观调控、经济拉动、社会促进、科技支持等多元驱动机制综合作用的结果;主导因子为人均GDP、城镇居民人均可支配收入、人均地方财政收入、地方财政一般预算内支出占GDP比重。

关键词：人口收缩经济发展基本公共服务协调发展教育与医疗社会保障东北三省

Impact of Immunization Strategies on Rubella Incidence During Progress Toward Rubella Control and Elimination-China,2004-2023

在线全文

学校读者我要写书评

暂无评论

China CDC weekly 2024年第50期6卷 1319-1324,I0001页

作者： Siyu liu Xia Xu qianqian liu Lin Tang Xiaoqi Wang Aodi Huang Jiuhong Li Yuexin Xiu Hong Yang Ning Wen Lance ERodewald Zundong Yin Fuzhen Wang 1 National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases(NITFID) National Immunization ProgrammeChinese Center for Disease Control and PreventionBeijingChina

Background:Since rubella was incorporated into the national disease surveillance system in 2004,rubella incidence has changed *** study analyzed the impact of immunization strategies on the age-specific and sex-specific incidence of rubella in China from 2004 to 2023 to inform efforts to accelerate rubella ***:Annual rubella-containing vaccine(RCV)coverage levels,reported rubella cases and incidence,and vaccination status of cases were obtained from the National Immunization Program Information Management System,the National Notifiable Diseases Reporting System,and the Measles Surveillance System,and used to describe temporal *** trends and annual percent changes(APC)by age group and sex were estimated using joinpoint ***:In 2008,RCV coverage was 51.5%for the first dose and 39.0%for the second dose,increasing to and stabilizing at 95%or above for both doses by *** were 584,758 cases of rubella reported in China during 2004–*** regression showed that rubella incidence initially increased,peaked in 2008,and then decreased(APC2004–2008=47.12%,APC2008–2023=–18.95%,P<0.05).Adolescents,aged 10–19 years,accounted for 67.8%of cases at a peak incidence in 2019(APC2016–2019=103.70%,APC2016–2019=–89.76%,P<0.05);77.8%of cases had no or unknown RCV ***:The decrease in rubella incidence is closely associated with *** inclusion of RCV significantly impacted on the prevention and control of *** measures to address immunization gaps and maintain high surveillance sensitivity are necessary to promote rubella elimination.

关键词： Incidence prevention doses

Optimization Strategies of Na_(3)V_(2)(PO_(4))_(3) Cathode Materials for Sodium‑Ion Batteries

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nano-Micro Letters 2025年第2期17卷 204-251页

作者： Jiawen Hu Xinwei Li qianqian Liang Li Xu Changsheng Ding Yu liu Yanfeng Gao School of Materials Science and Engineering Shanghai UniversityShanghai 200444People’s Republic of China Shanghai Institute of Ceramics Chinese Academy of SciencesShanghai 200050People’s Republic of China

Na_(3)V_(2)(PO_(4))_(3)(NVP)has garnered great attentions as a prospective cathode material for sodium-ion batteries(SIBs)by virtue of its decent theoretical capacity,superior ion conductivity and high structural ***,the inherently poor electronic conductivity and sluggish sodium-ion diffusion kinetics of NVP material give rise to inferior rate performance and unsatisfactory energy density,which strictly confine its further application in ***,it is of significance to boost the sodium storage performance of NVP cathode *** to now,many methods have been developed to optimize the electrochemical performance of NVP cathode *** this review,the latest advances in optimization strategies for improving the electrochemical performance of NVP cathode material are well summarized and discussed,including carbon coating or modification,foreign-ion doping or substitution and nanostructure and morphology *** foreign-ion doping or substitution is highlighted,involving Na,V,and PO_(4)^(3−)sites,which include single-site doping,multiple-site doping,single-ion doping,multiple-ion doping and so ***,the challenges and prospects of high-performance NVP cathode material are also put *** is believed that this review can provide a useful reference for designing and developing high-performance NVP cathode material toward the large-scale application in SIBs.

关键词： Sodium-ion batteries Na_(3)V_(2)(PO_(4))_(3) Cathode materials Electrochemical performance Optimization strategies

在线全文

学校读者我要写书评

暂无评论

宗族制度影响下徽州文书的留存机制探析

档案与建设 2014年第9期 8-11页

作者：刘倩倩上海大学图书情报档案系上海200444

徽州是典型的宗族社会,宗族制度对徽州文书的留存传世有着深刻的影响。本文在阐释徽州宗族制度、宗族档案的基础上,分析宗族制度对徽州文书留存传世的影响,并对徽州宗族制度下民间档案留存机制的当代价值作一探析。

关键词：徽州历史档案宗族制度留存机制

AgGeSbTe thin film as a negative heat-mode resist for dry lithography

在线全文

学校读者我要写书评

暂无评论

Chinese Optics Letters 2022年第3期20卷 72-76页

作者： Xingwang Chen Lei Chen Ying Wang Tao Wei jing Hu Miao Cheng qianqian liu Wanfei Li Yun Ling Bo liu Suzhou Key Laboratory for Nanophotonic and Nanoelectronic Materials and Its Devices School of Materials Science and EngineeringSuzhou University of Science and TechnologySuzhou 215009China State Key Laboratory of Functional Materials for Informatics Shanghai Institute of Microsystem and Information TechnologyChinese Academy of SciencesShanghai 200050China School of Electronic&Information Engineering Suzhou University of Science and TechnologySuzhou 215009China

An AgGeSbTe thin film is proposed as a negative heat-mode resist for dry *** possesses high etching selectivity with the etching rate difference of as high as 62 nm/min in CHF_(3)/O_(2)mixed *** etched sidewall is steep without the obvious lateral *** lithographic characteristics and underlying physical mechanisms are ***,results of X-ray diffraction,Raman spectroscopy,and X-ray photoelectron spectroscopy further indicate that laser irradiation causes the formation of Ge,Sb,and AgTe crystals,which is the basis of etching *** addition,the etching selectivity of Si to AgGeS_(b)Te resist is as high as 19 at SF_(6)/Ar mixed gases,possessing good etching *** is believed that the AgGeSbTe thin film is a promising heat-mode resist for dry lithography.

关键词： thin film heat-mode resist lithography