全文获取类型
收费全文 | 947篇 |
免费 | 10篇 |
国内免费 | 8篇 |
专业分类
电工技术 | 5篇 |
综合类 | 465篇 |
化学工业 | 54篇 |
金属工艺 | 14篇 |
机械仪表 | 37篇 |
建筑科学 | 78篇 |
矿业工程 | 3篇 |
能源动力 | 3篇 |
轻工业 | 10篇 |
水利工程 | 9篇 |
石油天然气 | 1篇 |
无线电 | 22篇 |
一般工业技术 | 11篇 |
冶金工业 | 137篇 |
自动化技术 | 116篇 |
出版年
2024年 | 1篇 |
2023年 | 5篇 |
2022年 | 7篇 |
2021年 | 8篇 |
2020年 | 13篇 |
2019年 | 9篇 |
2018年 | 8篇 |
2017年 | 7篇 |
2016年 | 14篇 |
2015年 | 28篇 |
2014年 | 84篇 |
2013年 | 78篇 |
2012年 | 72篇 |
2011年 | 78篇 |
2010年 | 73篇 |
2009年 | 71篇 |
2008年 | 58篇 |
2007年 | 57篇 |
2006年 | 48篇 |
2005年 | 37篇 |
2004年 | 43篇 |
2003年 | 48篇 |
2002年 | 29篇 |
2001年 | 20篇 |
2000年 | 12篇 |
1999年 | 15篇 |
1998年 | 4篇 |
1997年 | 2篇 |
1996年 | 1篇 |
1995年 | 2篇 |
1994年 | 4篇 |
1990年 | 3篇 |
1989年 | 1篇 |
1984年 | 1篇 |
1983年 | 2篇 |
1982年 | 2篇 |
1981年 | 1篇 |
1973年 | 1篇 |
1971年 | 3篇 |
1966年 | 1篇 |
1965年 | 2篇 |
1964年 | 3篇 |
1961年 | 2篇 |
1960年 | 2篇 |
1959年 | 1篇 |
1957年 | 2篇 |
1956年 | 2篇 |
排序方式: 共有965条查询结果,搜索用时 15 毫秒
1.
A motivational model of rural students' intentions to persist in, versus drop out of, high school. 总被引:1,自引:0,他引:1
Using self-determination theory, the authors tested a motivational model to explain the conditions under which rural students formulate their intentions to persist in, versus drop out of, high school. The model argues that motivational variables underlie students' intentions to drop out and that students' motivation can be either supported in the classroom by autonomy-supportive teachers or frustrated by controlling teachers. LISREL analyses of questionnaire data from 483 rural high school students showed that the provision of autonomy support within classrooms predicted students' self-determined motivation and perceived competence. These motivational resources, in turn, predicted students' intentions to persist, versus drop out, and they did so even after controlling for the effect of achievement. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
2.
This study examines the links between antecedents and consequences of Gabonese teachers' (N= 152) work motivation. The theoretical underpinnings are based on the Motivational Model of Job Burnout (MMJB) which is grounded in Self-Determination Theory (SDT) and states that the more supervisors satisfy an employee's need for self-determination, competence, and relatedness, the more self-determined is the latter's work motivation. The level of self-determined motivation has an impact on job satisfaction, which in turn determines life satisfaction. Higher levels of self-determined motivation also buffer emotional exhaustion and psychological distress. The model was confirmed via structural equation modeling and provides support for the validity and generalizability of the MMJB and SDT. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
3.
Can a few seconds of high school teachers' nonverbal (NV) behavior predict students' ratings of these teachers (SRT)? Yes, but NV-SRT relations varied among various instructional situations. NV behaviors while administering the class and using the board were unrelated to SRT. Positive judgments of NV behavior while disciplining the class and interacting with students were positively related to SRT. NV behaviors in frontal teaching were negatively related to SRT. The most negative NV-SRT relations were found for teachers' differential NV behavior toward high- versus low-achieving students. Teacher differentiality and SRT have rarely been investigated in high school. The structure of SRT seems to differ between high school and college, and students' anger about teachers' differentiality strongly predicted their evaluations. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
4.
Burns G. Leonard; Gomez Rapson; Walsh James A.; de Moura Marcela Alves 《Canadian Metallurgical Quarterly》2003,15(1):118
G. J. DuPaul (see record 2003-02033-012) offered two suggestions for additional research to understand the strong source effects reported by R. Gomez, G. L Burns, J. A. Walsh, and M. A. de Moura (see record 2003-02033-001) in attention-deficit/ hyperactivity disorder (ADHD) rating scales. The first suggestion was to determine whether the source effects represent mostly bias or accuracy. The second suggestion was to minimize source effects through the development of better ADHD rating scales. Because source effects can represent bias or accuracy, it is important to minimize the bias aspect through content validation procedures prior to attempts to determine whether source effects better reflect bias or accuracy. This comment offers various suggestions to reduce the bias in ADHD rating scales. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
5.
教师的职业道德是贯穿教育全过程的精神支柱,它对学生和社会都会有深远的激励和影响作用;而熟练掌握专业知识和教育理论知识是教师业务能力的本质要求。新时期的创新型教师都必须不断地在这两个方面进行提升才能够符合时代的要求。 相似文献
6.
本文设计并实现了基于J2EE的高校教师业务管理系统.文章详细讨论了系统实现的业务模型、功能模型等需求分析过程,以及系统架构、通用查询框架、基于角色访问控制策略的“用户一角色.功能模块”的权限管理系统设计与实现等关键技术. 相似文献
7.
提高高职院校教师的应用科研能力是提高教师整体素质、培养优秀人才的有效途径。论文通过创新实施“ICT行业应用创新基地”的建设实践,采取深化创新基地的科研机制、强化团队建设以及推进应用科研与人才培养的融合创新等举措,形成科研与教学协同发展的职业教育新模式,有效提升高职教师的应用科研能力。 相似文献
8.
乔维德 《安徽电气工程职业技术学院学报》2010,15(4):103-106
以部分高职院校教师的问卷调查的数据结果为依据,分析目前高职教师的科研素质问题。调查分析结果表明,高职教师科研兴趣整体上偏低,科研成果质量和档次不高,不少教师对科研方法掌握不够,科研处理问题的方式欠妥。因此,高职教师要增强科研意识,改进科研方法,加强学习培训,提升科研素质和水平。 相似文献
9.
激励是高校人力资源管理的核心因素。文章对现有的各种激励理论进行充分研究借鉴.通过较为科学的研究方法对各类型教师需求进行对比分析,并针对高校教师的需求特点提出相应的激励对策。 相似文献
10.
我国中职校烹饪教育在新时期得到迅速发展,烹饪中等职业教育发展前景良好,但是作为中职校烹饪专业发展的重要组成部分——烹饪教师师资问题却日益突出,本文通过问卷调查,全面了解了当前中等职业学校烹饪专业师资的现状,并提出了对策与解决措施。 相似文献