首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   93篇
  免费   4篇
  国内免费   1篇
教育   73篇
科学研究   11篇
体育   4篇
综合类   4篇
信息传播   6篇
  2023年   2篇
  2022年   1篇
  2020年   2篇
  2019年   5篇
  2018年   5篇
  2017年   5篇
  2016年   2篇
  2015年   3篇
  2014年   8篇
  2013年   15篇
  2012年   2篇
  2011年   6篇
  2010年   5篇
  2009年   2篇
  2008年   2篇
  2007年   5篇
  2006年   11篇
  2005年   3篇
  2004年   4篇
  2003年   1篇
  2002年   5篇
  1999年   3篇
  1984年   1篇
排序方式: 共有98条查询结果,搜索用时 19 毫秒
91.
田径跳跃运动员支撑运动器官运动损伤的调查与分析   总被引:8,自引:1,他引:7  
采用临床调查分析和数理统计等方法 ,发现跳跃运动员支撑器官的损伤主要以膝关节、腰部、足部为主 ;运动损伤的类型主要有肌肉软组织和关节损伤两大类 ;运动损伤的原因主要包括技术动作不合理、训练和比赛安排不合理、场地器材不合格、准备活动不充分等。  相似文献   
92.
We used a comparative interrupted time series design to examine the impact of the Massachusetts' Wraparound Zone Initiative on student achievement, attendance, retention, and suspension. This initiative was designed to create coordinated district systems that allow schools to proactively and systematically address students' nonacademic needs. The state education agency awarded grants to seven high-need districts, each of which used the funds to support a select group of schools in implementing strategies that focused on school climate and culture, family engagement, systems to identify and address student needs, and community partnerships. Results from this study showed that students in Wraparound Zone schools performed better on state academic assessments than students in comparison schools, when considering prior achievement trends. Effects were statistically significant in the 3rd year of implementation. The impact on academic achievement was greatest for third- and fourth-grade students, and was particularly strong for English learners. There was no statistically significant overall impact on attendance, retention, or suspension.  相似文献   
93.
优良的传统文化、宽松和谐的学术环境以及一流的人才队伍构成了物理所发展战略的主题。物理所的战略研究贯穿于每个科学决策的始终,通过开放式的战略研究。将国内外关心物理所发展和中国物理学发展的科学家的智慧凝聚在一起,未雨绸缪、着眼长远,经过长期酝酿思考,最终制定出适合自身的发展战略。  相似文献   
94.
There is a developing research base to support the rationale underpinning augmentative and alternative communication (AAC) for people with learning disabilities. However, there is a paucity of research examining the process involved in implementing AAC support for people who have profound disabilities. This paper seeks to explore the processes involved in planning and implementing AAC systems to support the communication of two 6 year olds with profound and multiple learning disabilities. Following assessment, a plan of intervention involving specific implementation of objects of reference, gestures and signs was implemented to enhance communication opportunities for both children. Both children improved their communication skills through use of specific AAC supports. Results suggest that important aspects to include when planning intervention are understanding the level of each child's cognition in relation to their receptive abilities and a consistent, collaborative approach where strategies are agreed between team members. Specific challenges are discussed.  相似文献   
95.
雇佣关系的存在是转承责任生成的前提和基础。从英、美、德、日等国家及我国台湾省对转承责任的规定来分析,我国未来立法对转承责任的规定应采取无过错责任原则。并应包含不可抗力和受害人故意的免责条款。  相似文献   
96.
困惑与压力:大学新生的入学适应   总被引:3,自引:0,他引:3  
进入大学是发生在青年期的重要转折。这种转折是一项积极的生活事件,对个体意味着新的发展契机,也蕴涵着压力甚至危机。大学新生面临的适应主要有:学习适应、人际关系适应、独立生活适应、环境适应、角色适应。大学生的压力感受会随时间延续而展开,个体进入大学的适应并非短期可以完成。大学可以对学生的入学适应进行尽早的干预,一方面学校要尽可能提供各种社会支持,也要设法提高大学生的心理适应能力。  相似文献   
97.
This paper reports students' perceptions of the technological supports that assist problem-based learning (PBL). There are a number of tasks in the PBL processes, which can be supported by technological advances. A Web-based system has been developed to support the problem-based learning strategy. The system provides facilities to both teacher and students to facilitate learning and teaching. These include on-line teaching materials retrieval, a discussion area for problem analysis and brainstorming, a facility for project planning and monitoring, a private group area for the purposes of discussion, a facility for the submission of development work and learning resources, and a posting area to display good work to motivate students. The progress of the students can be monitored and feedback can be given to them. This paper presents a pilot study of student views of and preferences for various technological supports used to enhance learning effectiveness.  相似文献   
98.
甲供非商品化资源(NCRPE)费用高低与NCRPE生产系统规模密切相关,如何通过缩小生产规模,以降低NCRPE费用既是一个理论问题,也是一个实践问题。首先,根据NCRPE生产系统的特点,分析了NCRPE初始配置的相关费用,研究了初始配置相关费用与NCRPE生产规模之间的关联关系。其次,研究并构建了基于生产规模的项目群NCRPE费用现值优化模型,并选用模拟退火粒子群算法进行仿真实验。最后,开展案例分析,结合项目群Z,验证了模型的可行性与有效性。研究结果表明: 构建的NCRPE费用优化模型能够有效地缩小NCRPE生产规模,降低NCRPE生产系统总费用(建设费用和运行费用之和),从而实现业主支付费用现值最小化。  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号