中小学体能锻炼课程体系构建研究

中小学体育与健康课程要落实"培养德智体美劳全面发展的社会主义建设者和接班人"的根本任务,首先要在体能锻炼上下功夫,增强学生体质.体能锻炼课是学校体育与健康课程改革新发展阶段的一种课型.中小学体能锻炼课具有对接核心素养、落实课程标准、达成体质健康指标、指向体能考试的实然需求.终身体能教育理论、动作发展理论、运动技能发展模型、身体素质发展敏感期理论为体能锻炼课提供理论依据.体能锻炼课可从课程类型、模块内容、核心要素、诊断考核四个方面构建设计.体能锻炼课在专业师资、开发设计、课程资源和协同推进方面面临现实挑战.     

克服学术功利化倾向,促进基础研究健康发展

基础研究厚积薄发,其探索性、长期性、难以预测性等特点要求基础研究工作者努力避免急功近利和短期行为。学术功利化的倾向也是建设现代科学文化应当克服的消极因素,是与基础研究所要求的科学传统、科学精神背道而驰的。本文分析了学术功利化的表现形式、危害及原因,提出了克服学术功利化倾向、促进基础研究健康发展的建议。     

An Automated Item Pool Assembly Framework for Maximizing Item Utilization for CAT

Computerized adaptive testing (CAT) has gained deserved popularity in the administration of educational and professional assessments, but continues to face test security challenges. To ensure sustained quality assurance and testing integrity, it is imperative to establish and maintain multiple stable item pools that are consistent in terms of psychometric characteristics and content specifications. This study introduces the Honeycomb Pool Assembly (HPA) framework, an innovative solution for the construction of multiple parallel item pools for CAT that maximizes item utilization in the item bank. The HPA framework comprises two stages—cell assembly and pool assembly—and uses a mixed integer programming modeling approach. An empirical study demonstrated HPA's effectiveness in creating a large number of parallel pools using a real-world high-stakes CAT assessment item bank. The HPA framework offers several advantages, including (a) simultaneous creation of multiple parallel pools, (b) simplification of item pool maintenance, and (c) flexibility in establishing statistical and operational constraints. Moreover, it can help testing organizations efficiently manage and monitor the health of their item banks. Thus, the HPA framework is expected to be a valuable tool for testing professionals and organizations to address test security challenges and maintain the integrity of high-stakes CAT assessments.     

基于FPGA的频率计电路设计

本文介绍了数字频率计设计的基本原理,对频率计所采用各种硬件除法进行了比较,提出了倍频计数法测量数字高频的实现方案,并给出了频率计设计的硬件电路原理和软件实现,结果表明这种方法实现了频率计的高速和高精度。     

基于B/S结构的学院信息管理系统设计

本文针对高校院(系)级信息网络化管理的需要,介绍了机电学院综合信息管理系统的设计及实现方法.该系统运用已有的校园网络,建立一个集B/S结构和ASP技术为一体的,涉及学院行政、教学、科研和学生工作等环节的网上综合信息管理系统.系统采用模块化设计思想,使用ADO组件访问Web数据库.经测试,该系统运行良好.     

事业单位聘用制度改革中存在的问题及对策分析

我国事业单位聘用制度改革在短期内取得了可喜的成绩,但也存在一些困难问题,一方面是传统观念和意识的阻碍,另一方面是配套政策不完善使聘用制度改革难以进一步深入。解决这些困难和问题,必须在加强宣传和教育的同时,不断学习和研究新政策,完善与聘用制度相关的配套政策改革。     

基于VHDL的电子密码锁设计

随着电子技术的发展,具有防盗功能的电子密码锁代替密码量少、安全性差的机械式密码锁已是必然趋势。本设计阐述了一种基于VHDL的数字式电子密码锁的原理和方法,所用EDA开发工具为FPGA,仿真工具是MAXPLUSⅡ。该密码锁具有高安全性、低成本、低功耗、操作简单等特点。     

Control of time-delayed linear differential inclusions with stochastic disturbance

The control of time-delayed linear differential inclusions with stochastic disturbance is discussed. The feedback law is constructed by the convex hull Lyapunov function. The design objective is to make the closed-loop system exponentially stable in mean square. Finally, a simulation is given to show the effectiveness of this control design.     

Longitudinal trends in networks of university-industry-government relations in South Korea: The role of programmatic incentives

This study examines the longitudinal trend of systemness in networked research relations in South Korea using a triple helix (TH) indicator of university-industry-government (UIG) relations. The data were harvested from the Science Citation Index (SCI) and its counterparts in the social sciences (SSCI) and the arts and humanities (A&HCI). The total number of Korean SCI publications has grown rapidly since 1965. However, the TH indicator shows that the network dynamics have varied considerably according to the research policies of the national government. The collaboration patterns, as measured by co-authorship relations in the SCI noticeably increased, with some variation, from the mid-1970s to the mid-1990s. However, inter-institutional collaboration in the first decade of the 21st century was negatively influenced by the new national science and technology (S&T) research policies that evaluated domestic scientists and research groups based on their international publication numbers rather than on the level of cooperation among academic, private, and public domains. The results reveal that Korea has failed to boost its national research capacity by neglecting the network effects in science, technology, and industry.     

技术标准联盟形成发展的障碍及对策分析

摘要：技术标准联盟是以创建或共享技术标准为目标的利益结合体,其在形成与发展过程中存在着诸多障碍。在探讨技术标准联盟内涵和特征的基础上,本文分析了技术标准联盟在形成与发展过程中面临的难以找到产权技术间的最有效结合点、欺诈和机会主义行为、专利权与技术标准化冲突等问题,并从完善协商机制、协调联盟伙伴关系、制定知识产权政策等方面提出了一些推动我国技术标准形成与发展的对策与建议。