全文获取类型
收费全文 | 2744篇 |
免费 | 112篇 |
国内免费 | 52篇 |
专业分类
电工技术 | 33篇 |
技术理论 | 2篇 |
综合类 | 708篇 |
化学工业 | 121篇 |
金属工艺 | 22篇 |
机械仪表 | 76篇 |
建筑科学 | 499篇 |
矿业工程 | 55篇 |
能源动力 | 15篇 |
轻工业 | 59篇 |
水利工程 | 68篇 |
石油天然气 | 107篇 |
武器工业 | 1篇 |
无线电 | 98篇 |
一般工业技术 | 295篇 |
冶金工业 | 286篇 |
原子能技术 | 3篇 |
自动化技术 | 460篇 |
出版年
2024年 | 8篇 |
2023年 | 45篇 |
2022年 | 55篇 |
2021年 | 78篇 |
2020年 | 61篇 |
2019年 | 46篇 |
2018年 | 35篇 |
2017年 | 45篇 |
2016年 | 57篇 |
2015年 | 77篇 |
2014年 | 164篇 |
2013年 | 132篇 |
2012年 | 145篇 |
2011年 | 206篇 |
2010年 | 222篇 |
2009年 | 207篇 |
2008年 | 180篇 |
2007年 | 165篇 |
2006年 | 167篇 |
2005年 | 149篇 |
2004年 | 131篇 |
2003年 | 116篇 |
2002年 | 91篇 |
2001年 | 83篇 |
2000年 | 55篇 |
1999年 | 36篇 |
1998年 | 15篇 |
1997年 | 19篇 |
1996年 | 17篇 |
1995年 | 5篇 |
1994年 | 12篇 |
1993年 | 4篇 |
1992年 | 3篇 |
1991年 | 4篇 |
1990年 | 3篇 |
1989年 | 4篇 |
1988年 | 8篇 |
1987年 | 5篇 |
1986年 | 4篇 |
1984年 | 2篇 |
1982年 | 2篇 |
1979年 | 2篇 |
1967年 | 2篇 |
1966年 | 4篇 |
1964年 | 6篇 |
1962年 | 4篇 |
1960年 | 6篇 |
1959年 | 4篇 |
1957年 | 3篇 |
1955年 | 5篇 |
排序方式: 共有2908条查询结果,搜索用时 15 毫秒
1.
2.
A Quantitative Critical Thinking (QCT) software tool was developed in this study to facilitate students’ learning of quantitative critical thinking via repeated practice by chemical engineering students reading a core module called fluid-solid systems. The software tool generated detailed calculation steps to typical engineering design problems encountered in this module that contained weaknesses, flaws or even errors. Students utilized the software tool to practice identifying these weaknesses, flaws or errors in the design solutions and then present a better or correct design by applying the concepts and knowledge acquired in the module. Since the QCT software tool was built upon an existing design software tool that was able to generate the correct, detailed design calculation steps to design problems, students were able to check their own design calculations against those presented by the software tool during this second learning step, thereby engaging in and learning quantitative critical thinking via a repeated practice approach. The software tool was successful in enhancing the performance of second-year undergraduate students in solving a question that required quantitative critical thinking in the final examination of the module. The average percentage scores achieved by students for the question who reported higher frequencies of usage of the software were generally higher than those who reported lower frequencies of usage or did not utilize the software tool throughout the semester. 相似文献
3.
创新思维是设计思维的核心,是服装设计的灵魂。服装设计师要充分发挥其独特的创造力和想象力,用现代时尚语言与厚重的传统文化相结合,赋予服装设计作品新的情感、个性与艺术性,才能使服装拥有独特的艺术魅力,增强服装个性化和情感化的艺术效果。文章通过调研数据,分析中国传统文化与服装的结合,以期通过创新思维对中国传统文化进行灵活运用。 相似文献
4.
为了提高电容性设备绝缘在线监测系统的应用水平,设计了电容型设备绝缘在线监测系统。系统采用分布式结构,确保了各层功能的对立性,改善了系统的运行效率和可靠性;系统采用模块化思想,根据监测系统的功能和规模,把系统划分为3个层次;开发了基于B/S模式的子系统软件,使系统客户端免维护、扩展性好、开发效率高等特点,通过对实际运行的监测系统测试和试运行,系统采集数据准确,系统运行更加可靠运行。 相似文献
5.
运用现象学的“回到事情本身”与“本质直观”的方法,可以使人们深入理解设计的本质。设计是善的目的及其可视化表达,设计思维是指向“人的自由”的目的思维,设计思维的每个阶段都贯穿着人的自由。设计教育应立足于设计思维的本质,从设计判断力、设计表达力、设计创造力等方面培养学生的自由创造精神。 相似文献
6.
在开展问题解决型质量管理小组活动中,原因分析不可或缺。要分析到问题的末端原因,须展示问题的全貌,从人、机、料、法、环、测,从全面到重点,从综合到局部,分析到可以直接采取对策的因素为止。掌握原因分析的技巧和要点,有效采取头脑风暴法、5why分析法、5M1E分析环节,正确使用因果图、系统图、关联图,一定能够达到事半功倍的效果。 相似文献
7.
8.
This study aims to design and implement new learning methodologies and resources that seek to advance the development and assessment of one of the fundamental students’ competencies from any Business Administration Degree, such as critical thinking, that is, this is an exploratory study on computing for human learning, specifically, learning of key competencies for business. We are going to use audiovisual case methodology through the use of short film clips, usually real stories, to help students understand the practical implications of theoretical concepts explained in the classroom. A theoretical model test uses data from 32 business students from the Open University of Catalonia. The first results show positive attitudes toward a new technological resource ‘audio-visual cases’. They indicate that the use of this tool can improve the comprehension of a problem and its origins and, at the same time, stimulate learning. In addition, this tool helps to develop critical thinking competency. This study offers important contributions to an e-learning environment and their applicability to the workplace, since it is the first type of research about the impact of audiovisual cases in the acquisition of critical thinking competency. Furthermore, this methodology promotes collaborative learning. 相似文献
9.
Two studies explored whether assessment of creative thinking is feasible using web-based methods and how participants reacted to the imposition of time constraints in online settings. Sixty-five participants (Study 1) completed a verbal fluency task and a divergent thinking task, half of the participants doing so over the Internet. Online administration did not affect originality, but led to slightly fewer responses overall. This demonstrated that online administration of creative thinking is indeed feasible and reliable, though steps must be taken to ensure participants exhaust all possible responses. To test the effect of time limits on responses, 84 participants (Study 2) completed a verbal fluency task and three divergent thinking tasks online, half of the participants doing so under time pressure (3 min). There were significant interactions between time limits and task content for both time-on-task and fluency variables, but the task type was the dominant force in the varying fluency and time-on-task scores. Originality was not significantly affected by time limits, but did vary across tasks. In all cases the results illustrate that assessment of divergent thinking, as a proxy of creative thinking, is feasible using online methods. Implications for future work in this area are discussed. 相似文献
10.
建筑评论是一项针对具体对象,将目之所及的事物背后不可视的背景、思想、价值判断、驱动力等,转化为可以言说、可以讨论、具有建筑学和文化社会意义的思辨性活动。[1]这项活动的基础工作之一是概念的辨析与运用。因此,在东南大学建筑学院开设的"建筑评论课",通过课程主题的组织,在帮助学生建立多维批评视野的同时,以概念辨析为切入点,通过基于精读、研究的写作训练,实现思辨性思维的培养、学术素养和写作的培训,以及对建筑评论和中国现当代建筑话语的理解。 相似文献