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   9327篇
  免费   580篇
  国内免费   305篇
电工技术   400篇
综合类   2118篇
化学工业   531篇
金属工艺   161篇
机械仪表   370篇
建筑科学   1032篇
矿业工程   155篇
能源动力   57篇
轻工业   154篇
水利工程   152篇
石油天然气   222篇
武器工业   176篇
无线电   756篇
一般工业技术   319篇
冶金工业   1373篇
原子能技术   18篇
自动化技术   2218篇
  2024年   48篇
  2023年   122篇
  2022年   219篇
  2021年   275篇
  2020年   251篇
  2019年   162篇
  2018年   122篇
  2017年   167篇
  2016年   251篇
  2015年   295篇
  2014年   726篇
  2013年   584篇
  2012年   738篇
  2011年   860篇
  2010年   765篇
  2009年   646篇
  2008年   506篇
  2007年   513篇
  2006年   479篇
  2005年   406篇
  2004年   322篇
  2003年   307篇
  2002年   288篇
  2001年   168篇
  2000年   123篇
  1999年   114篇
  1998年   63篇
  1997年   64篇
  1996年   46篇
  1995年   34篇
  1994年   27篇
  1993年   21篇
  1992年   21篇
  1989年   17篇
  1988年   17篇
  1987年   16篇
  1986年   16篇
  1984年   15篇
  1966年   25篇
  1965年   18篇
  1963年   14篇
  1962年   17篇
  1961年   17篇
  1960年   13篇
  1959年   23篇
  1958年   24篇
  1957年   24篇
  1956年   20篇
  1955年   25篇
  1954年   19篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
31.
物联网在众多领域有着广泛的应用,产业空间巨大。物联网人才的培养变的尤为重要。根据国家和东莞经济结构的调整及发展战略,本着服务地方经济的理念,调整高等院校的专业方向和专业结构;根据社会经济的需要和安排,制订高等院校的专业人才培养方案和课程标准;根据地方经济环境,建设物联网专业,培养企业需求的人才。  相似文献   
32.
While chemical industrial development in China is growing rapidly, the corresponding safety training resources remain inadequate, which may often lead to increased risk of chemical accidents. These accidents are often associated with the negligence of safety management, poor safety hazard awareness, and lack of safety practice. In order to alleviate these prominent risk factors in chemical industries in China, our study develops a talent training model related to chemical process safety. First, we propose an approach for establishing the “talent training model” related to chemical process safety, consisting of three steps: analyzing the current status and existing problems of talent training related to chemical process safety, determining the theoretical basis and training objectives for developing interdisciplinary talents, and designing a new talent training model. Second, we establish a talent training model using the proposed method, which includes a comprehensive curriculum system, a diversified teaching pattern, and a quintuple evaluation method. Furtherly, we determine the expected outcomes of the talent training model. The research results provide an innovative chemical process safety training method that is applicable nationwide, also it works as a reference for other rapidly developing countries in the chemical process industry to improve safety within the chemical industry.  相似文献   
33.
关于中国加入WTO以后,如何适应新的形势和面对新的竞争,从而构建新的影视高等教育体系?本文从以下三个方面进行了论述:21世纪是彩色读图时代,影视知识技术是人才所必备的三大基本知识技术之一;中国的影视教育必须构建学历教育、职业技能教育和成人继续教育相结合的国民教育体系以及四合一的教育教学模式和产学研相结合的人才培养体制及其运行机制。  相似文献   
34.
We compared methods for predicting and understanding the source of confusion errors during military vehicle identification training. Participants completed training to identify main battle tanks. They also completed card-sorting and similarity-rating tasks to express their mental representation of resemblance across the set of training items. We expected participants to selectively attend to a subset of vehicle features during these tasks, and we hypothesised that we could predict identification confusion errors based on the outcomes of the card-sort and similarity-rating tasks. Based on card-sorting results, we were able to predict about 45% of observed identification confusions. Based on multidimensional scaling of the similarity-rating data, we could predict more than 80% of identification confusions. These methods also enabled us to infer the dimensions receiving significant attention from each participant. This understanding of mental representation may be crucial in creating personalised training that directs attention to features that are critical for accurate identification.

Practitioner Summary: Participants completed military vehicle identification training and testing, along with card-sorting and similarity-rating tasks. The data enabled us to predict up to 84% of identification confusion errors and to understand the mental representation underlying these errors. These methods have potential to improve training and reduce identification errors leading to fratricide.  相似文献   

35.
This study aims to determine whether indirect touch device can be used to interact with graphical objects displayed on another screen in an air traffic control (ATC) context. The introduction of such a device likely requires an adaptation of the sensory-motor system. The operator has to simultaneously perform movements on the horizontal plane while assessing them on the vertical plane. Thirty-six right-handed participants performed movement training with either constant or variable practice and with or without visual feedback of the displacement of their actions. Participants then performed a test phase without visual feedback. Performance improved in both practice conditions, but accuracy was higher with visual feedback. During the test phase, movement time was longer for those who had practiced with feedback, suggesting an element of dependency. However, this ‘cost’ of feedback did not extend to movement accuracy. Finally, participants who had received variable training performed better in the test phase, but accuracy was still unsatisfactory. We conclude that continuous visual feedback on the stylus position is necessary if tablets are to be introduced in ATC.  相似文献   
36.
李军林 《大氮肥》1995,18(4):307-310
简要介绍模拟培训器的应用及其优越性,重点介绍渭河化肥厂模拟培训器的结构,功能,特点及应用情况,并且对培训器中存在问题进行了分析。  相似文献   
37.
A great number of complex electronic devices are now part of our everyday lives. While many of us learn to handle these products by trial and error; others, especially older users with little experience in using electronic devices, need support. In order to allow the user maximum flexibility in terms of learning time and location, a training programme is presented which is implemented as part of the software embedded in the product itself. Particular focus is placed on the effect of adaptive training on learning. In this study, the training versions differed in their ability to adjust their complexity to the user's experience (adaptive user interface complexity) and their capability to support the learner by prompting them during the learning process (adaptive training advice). The results show that the adjustment of complexity had a positive effect on users’ experience: elderly users who trained with an adaptive interface were more successful in learning to use a mobile phone. Adaptive training advice, however, was found to have no significant effects on learners’ success and reduced their self-efficacy. This work offers guidelines on how to design integrated training applications for electronic devices that successfully help elderly users with little prior experience.  相似文献   
38.
电力企业属于技术密集型企业,企业的健康、稳定发展需要有足够的人力资源作为支撑。人力资源是电力企业的核心竞争力,而开展教育培训工作则是提高电力企业人力资本的有效途径,是增强电力企业核心竞争力的有效手段。分析、探讨了电力教育培训工作中存在的问题,提出了相应的解决措施。  相似文献   
39.
针对目前"3+1"人才培养模式中企业教学内容构建还不完善、达不到教学目的等问题,根据应用技术大学的人才培养目标要求,以人才的素质培养和专业能力培养为目的,研究和探索企业实践教学对人才培养的意义。  相似文献   
40.
将电子商务引入校园生活,可以很好地突破时间和空间的限制,最大限度地发挥其优势,给校园师生提供方便。我国的校园电子商务目前只处于起步阶段,这方面的研究也比较少。本文在分析国内高校电子商务教学和创业教育存在的主要问题基础上,对我国高校的校园电子商务常见模式进行归纳、分析和比较,并结合我校的实际优势,提出一种服务于教学实践和创业实训的校园电子商务模式并加以介绍。  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