全文获取类型
| 收费全文 | 11398篇 |
| 免费 | 122篇 |
| 国内免费 | 11篇 |
专业分类
| 教育 | 7286篇 |
| 科学研究 | 2117篇 |
| 各国文化 | 91篇 |
| 体育 | 851篇 |
| 综合类 | 6篇 |
| 文化理论 | 79篇 |
| 信息传播 | 1101篇 |
出版年
| 2021年 | 105篇 |
| 2020年 | 167篇 |
| 2019年 | 247篇 |
| 2018年 | 321篇 |
| 2017年 | 296篇 |
| 2016年 | 246篇 |
| 2015年 | 176篇 |
| 2014年 | 225篇 |
| 2013年 | 2099篇 |
| 2012年 | 238篇 |
| 2011年 | 222篇 |
| 2010年 | 191篇 |
| 2009年 | 180篇 |
| 2008年 | 181篇 |
| 2007年 | 194篇 |
| 2006年 | 150篇 |
| 2005年 | 149篇 |
| 2004年 | 138篇 |
| 2003年 | 139篇 |
| 2002年 | 137篇 |
| 2001年 | 179篇 |
| 2000年 | 182篇 |
| 1999年 | 157篇 |
| 1998年 | 90篇 |
| 1997年 | 94篇 |
| 1996年 | 117篇 |
| 1995年 | 83篇 |
| 1994年 | 96篇 |
| 1993年 | 93篇 |
| 1992年 | 133篇 |
| 1991年 | 139篇 |
| 1990年 | 134篇 |
| 1989年 | 156篇 |
| 1988年 | 114篇 |
| 1987年 | 105篇 |
| 1986年 | 147篇 |
| 1985年 | 145篇 |
| 1984年 | 120篇 |
| 1983年 | 119篇 |
| 1982年 | 103篇 |
| 1981年 | 86篇 |
| 1980年 | 85篇 |
| 1979年 | 123篇 |
| 1978年 | 102篇 |
| 1977年 | 94篇 |
| 1976年 | 93篇 |
| 1975年 | 72篇 |
| 1974年 | 94篇 |
| 1973年 | 78篇 |
| 1971年 | 90篇 |
排序方式： 共有10000条查询结果，搜索用时 15 毫秒
101.
This article is the third in a series reporting on the changes in attitudes and interests‐‐mainly with respect to physics‐of several hundred students as they proceed through the Danish upper secondary school (Gymnasium). It concentrates on the results of the final investigation which took place shortly before the students leave the school. 相似文献
102.
103.
104.
H. A. Humphreys 《Religious education (Chicago, Ill.)》2013,108(10):899-903
105.
107.
108.
In this article, we build on Stigler and Becker’s (1977) “consumption capital theory” and propose a novel conceptualization of film quality for the analysis of motion picture franchises. Generally, this theory predicts that the utility consumers derive from a particular good or service increases with prior consumption. We test our theoretical conjectures by drawing on the population of sequels that were running in the US between 1992 and 2011. The empirical results point to the explanatory power of the proposed framework. Film executives may use our findings to improve the profitability of their sequel productions. From a theoretical point of view, consumption capital theory allows for a more refined analysis of sequel performance along different dimensions. Moreover, it may provide a fruitful basis for the analysis of other serial media content, including books, TV, music, and games. 相似文献
109.
Rapid advances in technology have provided the potential to connect citizens to their surroundings in unprecedented ways. While many scholars examine different types of efficacy as a predictor of behavior (e.g., internal, external, and political), it is essential to examine how confident citizens feel in their ability to use the technology before understanding how they will use it politically. Research shows that perceived competence increases motivation, which is correlated with behavior. This study examined how traditional measures of efficacy and a new measure affect online political behaviors, concluding that technological efficacy is a reliable construct predicting online news use and expression. 相似文献
110.