全文获取类型
收费全文 | 971篇 |
免费 | 10篇 |
国内免费 | 28篇 |
专业分类
教育 | 342篇 |
科学研究 | 416篇 |
体育 | 86篇 |
综合类 | 82篇 |
文化理论 | 1篇 |
信息传播 | 82篇 |
出版年
2023年 | 5篇 |
2022年 | 8篇 |
2021年 | 21篇 |
2020年 | 31篇 |
2019年 | 43篇 |
2018年 | 34篇 |
2017年 | 27篇 |
2016年 | 12篇 |
2015年 | 62篇 |
2014年 | 79篇 |
2013年 | 46篇 |
2012年 | 86篇 |
2011年 | 86篇 |
2010年 | 55篇 |
2009年 | 52篇 |
2008年 | 53篇 |
2007年 | 65篇 |
2006年 | 58篇 |
2005年 | 44篇 |
2004年 | 38篇 |
2003年 | 30篇 |
2002年 | 22篇 |
2001年 | 15篇 |
2000年 | 11篇 |
1999年 | 8篇 |
1998年 | 11篇 |
1997年 | 3篇 |
1996年 | 3篇 |
1990年 | 1篇 |
排序方式: 共有1009条查询结果,搜索用时 15 毫秒
1.
档案机构微信推文的行业辨识度是档案机构微信质量建设的重要组成部分。文章用例证法从行政性、文化性和娱乐化三方面分析了档案机构微信推文行业辨识度问题产生原因。基于议程设置原理对档案机构微信推文推送优先度提出建议,从"多推档案事"和"多用档案说事"两个角度提出解决档案机构微信推文内容行业辨识度问题的方法,融入历史主义思想和档案表征解决档案机构微信推文形式创新问题。 相似文献
2.
Kai Hu Qing Luo Kunlun Qi Siluo Yang Jin Mao Xiaokang Fu Jie Zheng Huayi Wu Ya Guo Qibing Zhu 《Information processing & management》2019,56(4):1185-1203
Topic evolution has been described by many approaches from a macro level to a detail level, by extracting topic dynamics from text in literature and other media types. However, why the evolution happens is less studied. In this paper, we focus on whether and how the keyword semantics can invoke or affect the topic evolution. We assume that the semantic relatedness among the keywords can affect topic popularity during literature surveying and citing process, thus invoking evolution. However, the assumption is needed to be confirmed in an approach that fully considers the semantic interactions among topics. Traditional topic evolution analyses in scientometric domains cannot provide such support because of using limited semantic meanings. To address this problem, we apply the Google Word2Vec, a deep learning language model, to enhance the keywords with more complete semantic information. We further develop the semantic space as an urban geographic space. We analyze the topic evolution geographically using the measures of spatial autocorrelation, as if keywords are the changing lands in an evolving city. The keyword citations (keyword citation counts one when the paper containing this keyword obtains a citation) are used as an indicator of keyword popularity. Using the bibliographical datasets of the geographical natural hazard field, experimental results demonstrate that in some local areas, the popularity of keywords is affecting that of the surrounding keywords. However, there are no significant impacts on the evolution of all keywords. The spatial autocorrelation analysis identifies the interaction patterns (including High-High leading, High-Low suppressing) among the keywords in local areas. This approach can be regarded as an analyzing framework borrowed from geospatial modeling. Moreover, the prediction results in local areas are demonstrated to be more accurate if considering the spatial autocorrelations. 相似文献
3.
涂申清 《黄冈职业技术学院学报》2011,13(2):75-78
通过对黄冈市注册会计师行业生存现状的调查和分析,认为做大做强是黄冈市注册会计师行业发展的不二选择,在政府的大力支持和注册会计师协会的主导下,能否实现做大做强的目标,关键在注册会计师行业的同行们,特别是主任注册会计师们能否进一步解放思想,以共同目标和发展大局为重,正确处理好当前与长远、个体与全体的关系,能否以博大的胸襟,全新的面貌迎接这次前所未有的挑战和机遇。 相似文献
4.
5.
【目的】探讨行业期刊如何通过密切关注行业发展动态来摆脱稿源困境和提高自身质量,从而获得自身良性发展和行业认可。【方法】 以《日用化学品科学》具体实践为例,从跟进国内外行业法规动态、关注行业技术创新动态、跟踪行业违法动态、提供最新的行业营销动态等四方面介绍了关注行业发展的有效途径。【结果】 作为小众媒体的行业期刊,只有紧密关注行业最新发展动态,才能以优质的内容赢得行业认可。【结论】 行业期刊需充分认识到自身在行业所处地位和作用,发挥积极性和主动性,用好行业提供的有利因素,打造行业精品期刊。 相似文献
6.
技术选择对技术生态环境有着重要的影响作用。本文从介绍技术生态环境概念入手,在分析了信息与通信产业技术相关特征的基础上,剖析了信息与通信技术对产业技术生态系统的影响作用,最后,提出了信息与通信产业技术选择与其技术生态环境协同发展的策略。 相似文献
7.
8.
汽车业是我国的支柱产业之一。在其50多年的发展史中,民营汽车企业的出现仅在近10年。但民营汽车企业面临的特殊问题却在汽车行业内引发了热烈的讨论,同时也引发了对我国民营经济的更深思考。文章在对民营汽车业的模糊概念做定义的基础上,分析发展汽车行业对我国的重要意义,并结合民营资本的自身特性和市场环境,指出民营资本有能力进军汽车业。进而通过比较分析民营家电业与汽车业,指出民营汽车业面临着更大的挑战。重点论证了民营汽车企业的三种发展模式及相应的发展对策。 相似文献
9.
10.
Krishna P. Jayakar 《The Information Society》2003,19(2):155-169
Leading developing countries have recently introduced some reforms in their national intellectual property regimes to harmonize them with international treaties and agreements. However, major differences remain in how these laws are applied to different information industries, and how they are enforced on the ground. While intellectual property law applies to a host of information products ranging from music to computer programs, governments have selectively enforced the law in some information industries, while neglecting to extend the same protection to others. Based on the comparative institutionalist approach, this article identifies two variables--state-industry linkages and level of innovative activity--that may explain the selective enforcement of intellectual property law. Intellectual property rights were expected to be better protected in information industries with strong state-industry linkages and higher levels of domestic innovation. This expectation was tested through a comparative study of four intellectual property industries from the Asian region. The results confirmed the expectation, but also demonstrated that strong state-industry linkages may independently correlate with high levels of intellectual property protection, even in industries where the current levels of innovative activity are low. 相似文献