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   5534篇
  免费   53篇
  国内免费   5篇
教育   4052篇
科学研究   353篇
各国文化   113篇
体育   366篇
综合类   4篇
文化理论   58篇
信息传播   646篇
  2021年   37篇
  2020年   54篇
  2019年   99篇
  2018年   100篇
  2017年   159篇
  2016年   133篇
  2015年   99篇
  2014年   110篇
  2013年   1450篇
  2012年   120篇
  2011年   107篇
  2010年   101篇
  2009年   120篇
  2008年   139篇
  2007年   126篇
  2006年   115篇
  2005年   111篇
  2004年   111篇
  2003年   107篇
  2002年   95篇
  2001年   62篇
  2000年   74篇
  1999年   59篇
  1998年   64篇
  1997年   67篇
  1996年   69篇
  1995年   67篇
  1994年   70篇
  1993年   63篇
  1992年   62篇
  1991年   68篇
  1990年   73篇
  1989年   70篇
  1988年   59篇
  1987年   46篇
  1986年   64篇
  1985年   48篇
  1984年   57篇
  1983年   70篇
  1982年   54篇
  1981年   43篇
  1980年   48篇
  1979年   41篇
  1978年   64篇
  1977年   51篇
  1976年   41篇
  1975年   43篇
  1973年   38篇
  1970年   31篇
  1968年   31篇
排序方式: 共有5592条查询结果,搜索用时 15 毫秒
991.
992.
993.
With the advent of e-journal preservation projects and publisher digitization of journal backfiles, academic libraries have begun to move their corresponding print volumes of these titles to storage to avoid duplication and save space. This article examines the supporting justifications, outreach mechanisms, and logistical procedures undertaken at American University Library to relocate the entire bound journal collection to offsite storage in order to address severe physical space constraints and to support patron use of and preference for electronic journal content. In addition, the article presents preliminary data regarding the use of bound volumes sent to storage and an overall analysis of this transformational project.  相似文献   
994.
Delivering public services through the SMS channel is popular in developed and developing countries, and it has demonstrated its benefits. However, citizens' acceptance of the services is still an issue. This paper presents a study on user acceptance of SMS-based e-government services. Constructs of the proposed model were derived from a survey on citizens' motivations for using SMS-based e-government services (142 respondents from 25 countries), prominent theories on individual acceptance of technologies, and current studies on user acceptance of SMS and e-government services. The model was validated using data from 589 citizens in three cities in Indonesia, who are non-adopters. The relationships between the factors then were compared with data from 80 adopters of SMS-based e-government services in Australia. The proposed model explains what factors influence non-adopters to accept SMS-based e-government services, and the comparison explains the relative importance of the factors for the adopters. The findings are promising for governments who wish to evaluate a new SMS-based e-government system very early in its development in order to assess potential acceptability and for governments who would like to diagnose the reasons why an existing SMS-based e-government service is not fully acceptable to citizens and to take corrective action to increase the acceptability of the service.  相似文献   
995.
Public libraries play an important part in the development of a community. Today, they are seen as more than store houses of books; they are also responsible for the dissemination of online, and offline information. Public access computers are becoming increasingly popular as more and more people understand the need for internet access. Using a series of surveys conducted in 12 libraries across the state of Michigan, the current study is a step towards understanding why the computing facilities are widely used, and what are the motivations behind their use. In addition, barriers and other factors that hinder usage are also discussed. The findings from this study will help policy makers and library administrators evaluate the current allocation of scarce resources, help them promote greater use of the library's resources, and guide their future course of action. The study is conducted as part of a federally funded public computing center grant.  相似文献   
996.
This investigation reports a typology of maintenance behaviors that were derived through inductive analyses of papers students wrote about their strategies for maintaining various relationships. Ten major strategies were inductively derived: positivity; openness; assurances; sharing tasks; social networks; joint activities; cards/letters/calls; avoidance; anti‐social; and humor. These strategies extend the previous research on relational maintenance strategies. More specifically, the latter five strategies and the subcategories of all the strategies are additions to Stafford and Canary's (1991)typology. In addition, analyses revealed the positivity, openness, assurances, sharing tasks, and cards/letters/calls differed in their frequency of use among lovers, relatives, friends and others.  相似文献   
997.
This study examined the means of and correlations between perceptions of willingness to communicate, communication apprehension, and communication competence of college students in the United States and Australia. Comparisons indicated a high degree of similarity in the relationships between communication orientations in the two cultures but substantial differences between the cultures in terms of mean scores on willingness to communicate and self‐perceived communication competence. Results of the study suggest similarities between people of two different cultures on one communication orientation do not necessarily indicate similarities on other communication orientations. However, relationships between orientations may have some generalizability across cultures.  相似文献   
998.
Attributional bias research suggests that those who find it difficult to communicate in a foreign language will explain their inability in ways that pose the least threat to a positive self image. The applicability of this reasoning to foreign language communication was tested in a two (writing in English or in a foreign language) by two (subject familiarity) factorial experiment. As expected, writing a message in a foreign language led to perceptions of reduced motivation. Participants who communicated in a foreign language about familiar others reported lower levels of perceived foreign language skill than those who communicated in a foreign language about an unfamiliar person. Participants who described unfamiliar persons in a foreign language reported greater familiarity with these persons than participants describing unfamiliar persons in English. Results support the claim that attributional biases may affect some foreign language communication tasks.  相似文献   
999.
Drawing upon the theoretical framework of social identity theory and literature on physical intimacy, consumer neuroscience, and social cognitive and affective neuroscience, responses to images featuring same-gender and other-gender pairs are explored through examination of self-reported attitudes and neural activity associated with attention, memory, and emotion. Under the pretense of pretesting the effectiveness of images to be used in a national advertising campaign, participants viewed still images while neuroelectric brain responses were recorded. Each image featured two women, two men, or a man and a woman presented in positions of physical intimacy. Results indicated that event-related brain potentials (ERPs) associated with attention did not differ overall based on couple composition. However, ERPs associated with working memory and emotion were enhanced when processing images with two men. Preference for these images was reflected in self-reported attitudes.  相似文献   
1000.
This study assessed students’ (N=195) perceptions of instructors’ relevant humor and inappropriate conversations in the classroom and used expectancy violation theory (EVT) as a lens to position instructor relevant humor as a moderator between instructors’ inappropriate conversations and student communication satisfaction. Results showed a positive association between students’ perceptions of instructors’ use of relevant humor and student communication satisfaction, and in contrast, a negative relationship between perceptions of instructors’ inappropriate conversations and student communication satisfaction. Consistent with the tenets of EVT, results also indicated that instructors who use relevant humor in the classroom may overcome students’ negative perceptions of inappropriate conversations and maintain student communication satisfaction.  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