义务教育学校现代化办学标准的价值转向——兼论省级义务教育学校现代化办学标准的研制     

孙向阳 《教育发展研究》2011,(24)

现代化的办学标准是推进教育现代化的重要举措与保障,均衡发展是制定义务教育现代化办学标准的理论基础与核心思想。现代化办学标准的价值取向应当实现:从强调效率向追求均衡及公平的转向、从单项性办学标准向综合性办学标准的转向、从初步均衡向优质均衡的转向、从单一质量观向全面质量观的转向、从政府管学校向政府办学校的转向、从学校的被动发展向主动发展的转向。这种价值观指导下的省级现代化办学标准应当设有硬件建设、师资队伍、经费保障、办学行为、教育质量、文化建设六大领域四十五个现代化的指标体系。  相似文献   

具有输入饱和的非线性广义时滞系统的H∞控制     

徐亚楠 《保定师专学报》2011,(3):46-49

研究一类具有输入饱和的非线性广义时滞系统的H∞控制问题.使用线性矩阵不等式方法和Lyapunov稳定性理论给出该系统具有H∞范数约束γ的充分条件,并给出一种H∞控制器的设计方法.运用一个数值算例来说明本文方法的有效性.  相似文献   

情感与理智的较量——解读《飘》中斯佳丽自我分化力的转变     

严春妹 《浙江教育学院学报》2011,(6):67-71

Murray Bowen家庭系统理论认为,儿童和青少年时确立的＂自我＂水平可通过自我本人作出长期的努力去改变。《飘》的主人公斯佳丽由于家庭影响而呈现出较低的原生自我分化力,但在经历了三次婚姻、几经努力后,最终实现了自我分化力的转变。  相似文献   

Ain’t nobody got time for dad? Racial-ethnic disproportionalities in child welfare casework practice with nonresident fathers     

《Child abuse & neglect》2019

BackgroundGiven fathers’ potential role in bringing about desired child welfare case outcomes, researchers have begun to identify factors that impact agency efforts to identify and involve fathers. Racial-ethnic inequality and bias are not among factors studied, despite longstanding evidence that racial-ethnic minority children make up a disproportionate share of the child welfare population.ObjectiveWe set out to identify racial-ethnic patterns in initial casework activity with nonresident fathers and explore whether select factors explain racial-ethnic differentials.Participants and SettingCaseworkers of 1,754 children in foster care in four U.S. states were surveyed.MethodsBivariate and multivariate logistic regression models were used to identify factors associated with whether agencies identified, located, and contacted nonresident fathers.ResultsAgencies were less likely to identify nonresident fathers of Black, Latinx, and Multiracial children, relative to those of White children. Among fathers whom agencies identified, Black and Latinx fathers were less likely to be located. Among fathers whom agencies located, Black and Latinx fathers were less likely to be contacted. Whereas greater rates of international mobility among Latinx fathers explained agencies’ disproportionately low rates of contact, no other factor explained racial-ethnic differentials.ConclusionWe find evidence of historical racial-ethnic disproportionalities across the three initial stages of casework practice with nonresident fathers in U.S. child welfare systems. Though more recent data are needed, this research suggests that racial-ethnic minority foster children are more likely than White foster children to be denied the benefits of agency-father contact, whether due to societal or systemic racial inequalities.  相似文献   

信息管理与信息系统专业实践教学探索与实践   总被引：1，自引：0，他引：1  

赖克勤  李超锋 《中国教育技术装备》2011,(18):45-47

针对高速发展的经济社会对专业人才能力的要求,围绕影响能力培养目标实现的关键环节(实践教学体系、实践教学内容以及方法和手段、实践教学效果评估、实训平台建设等方面)进行有益探索与实践,取得良好的效果。  相似文献   

Demystifying blockchain: A critical analysis of challenges,applications and opportunities     

《International Journal of Information Management》2020

The blockchain is considered to be the potential driver of the digital economy. The Blockchain technology outweighs the challenges associated with the traditional transaction business governed and regulated by the third trusted party. There is a growth in the interest among the researchers, the industry, and the academia to study and leverage the potential of Blockchain. Blockchain provides a decentralized and distributed public ledger for all the participating parties. Though it seems that blockchain is a viable choice and solution for all the centralized governed and regulated transactions (in digital online space), it has potential challenges that need to be resolved; opportunities to be explored, and applications to be studied. This paper utilizes a systematic literature review to study several research endeavors made in the domain of blockchain. To further research on blockchain adoption, the paper theoretically constructs an integrated framework of the blockchain innovation adoption process in an organization considering organizational and user acceptance perspectives. This would facilitate its widespread adoption, thereby achieving sustained leadership solutions. The paper offers 23 propositions to information systems (IS)/information management (IM) scholars with respect to innovation characteristics, organizational characteristics, environmental characteristics, and user acceptance characteristics. Further, the paper explores several areas of future research and directions that can provide deep insights for overcoming challenges and for the adoption of blockchain technology.  相似文献   

Meta-analysis in information systems research: Review and recommendations     

《International Journal of Information Management》2020

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黄土高原社会-生态系统变化及其可持续性   总被引：4，自引：0，他引：4  

王帅  傅伯杰  武旭同  王亚萍 《资源科学》2020,42(1):96-103

在全球变化和人类活动驱动下,社会系统与生态系统均处在不断加剧的动态变化中,揭示二者之间的互馈机制是保持和增强系统弹性以及可持续性的科学基础。黄土高原地区是中国人口、资源、环境矛盾最集中的区域之一,也是黄河重要的产水区和绝大部分泥沙的来源区。合理布局黄土高原土地利用格局,协调黄土高原水土保持和黄河下游水资源利用与泥沙控制,是黄土高原地区和黄河流域可持续发展的重大需求。本文立足于国际社会-生态系统耦合研究前沿和可持续发展与生态建设的国家需求,综述了区域社会系统与生态系统的互馈机制和社会-生态系统的耦合模拟的研究进展,总结了黄土高原社会-生态系统的变化过程和驱动机制,认为发展社会-生态系统动态机制分析方法和稳态转换识别方法,建立耦合社会系统与生态系统的土地利用权衡与优化模型,是推动社会-生态系统耦合研究理论与方法创新、为黄土高原的可持续发展提供科学依据的重要途径。  相似文献   

国外基于本体的信息系统概念建模研究   总被引：1，自引：0，他引：1  

孙凡 《情报学报》2007,26(3):366-372

信息系统概念建模是在信息系统开发的需求分析阶段,为促进相关人员之间的理解和沟通,对某些领域的静态现象和动态现象进行形式化地表示和建立文档的活动,属于需求工程和软件工程的子学科。基于本体的信息系统概念建模是指用本体理论或模型支持信息系统概念建模的方法。本文根据目前国外学者对基于本体的信息系统概念建模的研究情况,将其分为两个主要的学派:一是BWW本体学派;另一个是REA学派。在此基础上介绍和比较了两大学派的研究成果,并对其未来的研究方向进行了展望。  相似文献   

基于本体的对等网语义检索系统   总被引：2，自引：0，他引：2  

窦永香  赵捧未  秦春秀 《现代图书情报技术》2007,2(12):25-29

针对目前采用关键字匹配实现信息检索的不足，借鉴利用本体进行信息集成的方法提出非结构化对等网的语义检索系统架构，描述各模块的功能，并深入讨论实现语义检索需解决的关键技术——资源描述与提问处理、资源搜索和本体映射等。  相似文献