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   519篇
  免费   6篇
  国内免费   13篇
教育   325篇
科学研究   135篇
各国文化   1篇
体育   10篇
综合类   12篇
信息传播   55篇
  2023年   1篇
  2022年   3篇
  2021年   9篇
  2020年   21篇
  2019年   13篇
  2018年   4篇
  2017年   6篇
  2016年   8篇
  2015年   13篇
  2014年   52篇
  2013年   51篇
  2012年   35篇
  2011年   46篇
  2010年   30篇
  2009年   33篇
  2008年   33篇
  2007年   37篇
  2006年   33篇
  2005年   24篇
  2004年   25篇
  2003年   16篇
  2002年   8篇
  2001年   9篇
  2000年   7篇
  1999年   8篇
  1998年   6篇
  1996年   2篇
  1995年   2篇
  1994年   1篇
  1991年   1篇
  1985年   1篇
排序方式: 共有538条查询结果,搜索用时 15 毫秒
531.
从教师和学生的角度论述了MOOC对医学信息检索教学的影响,提出了医学信息检索课程教育应借鉴MOOC优势推进教学改革、推行线上线下混合教育模式、建设MOOC共享平等等应对MOOC的策略.  相似文献   
532.
软土地基的处理质量是保证建筑物安全、高效运营的关键。也直接影响到地基的基础承栽力。本文通过对绍兴滨海地区的地基基础形式进行调查、分析与评价,给出了软土地基的定义、现状和出现的问题,对软土地基常用处理方法的加固机理、适用范围、施工工艺等方面进行研究分析。也给出了相应的建议,为今后绍兴滨海地区地基基础处理提供参考。  相似文献   
533.
《Communication monographs》2012,79(2):115-132
The propensity to believe information to be predominately truthful has been called the truth-bias (e.g., McCornack & Levine, 1990), although the lie-bias is the tendency to believe that information is mostly false. The purpose of the current study is to investigate the effect that timing of suspicion and outcome involvement has on biased message processing. A two-way interaction between timing of suspicion and outcome involvement is hypothesized. Specifically, suspicion induced prior to communication will make receivers more suspicious of the communicator and therefore encode more of their nonverbal cues as “suspicious” or “fishy.” This effect is predicted to be magnified in conditions of high outcome involvement. If receivers are already suspicious, and carefully scrutinizing the message, it will be likely that they will note more “fishy behaviors” and demonstrate a heightened lie-bias. In two studies, Participants (Ps) were asked to view videotaped segments of a confederate making true or false statements. The Ps were induced to feel suspicious before or after viewing the videotaped interview. They were also induced to perceive high or low levels of outcome involvement. Results of Study 1 indicated that timing of suspicion has little effect on biased processing, but perceived suspicion did influence biased processing. Results of Study 2 indicated that the timing of suspicion did influence the strength of the truth-bias but did not create a lie-bias. Both studies demonstrated the strong effect of perceived outcome involvement on honesty perceptions.  相似文献   
534.
《Communication monographs》2012,79(3):248-269
This meta-analysis reviews the findings of 56 studies (n=19,745) examining the associations among family communication patterns (i.e., conversation and conformity orientations) and information-processing, behavioral, and psychosocial outcomes. When both conversation and conformity orientations are considered collectively, the cumulative evidence indicates a small, but meaningful relationship between family communication patterns and overall outcomes (r=.285). Similar overall effect sizes were observed for conversation (r=.262) and conformity orientations (r=.253), though the average effect size for conversation orientation and psychosocial outcomes (r=.460) was greater in magnitude than those obtained for information processing (r=.238) or behavioral outcomes (r=.276). Slightly larger effect sizes were observed when researchers used the Revised Family Communication Patterns scale (r=.332) as compared with the Family Communication Patterns scale (r=.261), though this difference in magnitude was statistically non-significant. Collectively, the results suggest that family communication patterns have a meaningful association with a variety of cognitive activities and relational behaviors, as well as individual well-being.  相似文献   
535.
本文介绍了基于可编程串行通信接口芯片8251A、可编程并行通信接口芯片8255A在TDN86/51实验系统上自行设计的综合型双机通讯实验。该实验综合运用了串并行通信的工作原理、闭合键的识别原理、LED显示原理以及8253计数器/定时器工作原理,有利于提高学生的综合设计能力。  相似文献   
536.
铁路运输、公路运输、水路运输和航空运输等系统中积累了大量的原始数据信息,为了有效地从这些异地的海量数据信息中抽取知识给无缝运输管理者提供决策支持,结合网格技术和数据挖掘技术提出了一个基于无缝运输信息网格(STIG)的并行数据挖掘方案。该方案的架构包括四层:用户层、挖掘任务分析和管理层、计算层、数据层。该方案的实现主要涉及数据挖掘算法服务的发现、数据分配和大数据源的分布式处理等技术。  相似文献   
537.
在误差和分析数据处理一章教学中遇到的难点问题及处理方法。  相似文献   
538.
In today's global culture where the Internet has established itself as the main tool for communication and commerce, the capability to massively analyze and predict citizens' behavior has become a priority for governments in terms of collective intelligence and security. At the same time, in the context of novel possibilities that artificial intelligence (AI) brings to governments in terms of understanding and developing collective behavior analysis, important concerns related to citizens' privacy have emerged. In order to identify the main uses that governments make of AI and to define citizens' concerns about their privacy, in the present study, we undertook a systematic review of the literature, conducted in-depth interviews, and applied data-mining techniques. Based on our results, we classified and discussed the risks to citizens' privacy according to the types of AI strategies used by governments that may affect collective behavior and cause massive behavior modification. Our results revealed 11 uses of AI strategies used by the government to improve their interaction with citizens, organizations in cities, services provided by public institutions or the economy, among other areas. In relation to citizens' privacy when AI is used by governments, we identified 8 topics related to human behavior predictions, intelligence decision making, decision automation, digital surveillance, data privacy law and regulation, and the risk of behavior modification. The paper concludes with a discussion of the development of regulations focused on the ethical design of citizen data collection, where implications for governments are presented aimed at regulating security, ethics, and data privacy. Additionally, we propose a research agenda composed by 16 research questions to be investigated in further research.  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