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   8116篇
  免费   346篇
  国内免费   2篇
  8464篇
  2023年   72篇
  2022年   106篇
  2021年   143篇
  2020年   209篇
  2019年   206篇
  2018年   334篇
  2017年   335篇
  2016年   274篇
  2015年   184篇
  2014年   199篇
  2013年   853篇
  2012年   438篇
  2011年   423篇
  2010年   265篇
  2009年   203篇
  2008年   357篇
  2007年   309篇
  2006年   267篇
  2005年   202篇
  2004年   172篇
  2003年   151篇
  2002年   126篇
  2001年   167篇
  2000年   142篇
  1999年   109篇
  1998年   51篇
  1997年   55篇
  1993年   56篇
  1992年   73篇
  1991年   90篇
  1990年   76篇
  1989年   71篇
  1988年   77篇
  1987年   72篇
  1986年   61篇
  1985年   73篇
  1984年   64篇
  1983年   52篇
  1982年   59篇
  1981年   50篇
  1979年   65篇
  1978年   59篇
  1977年   54篇
  1975年   68篇
  1974年   64篇
  1973年   59篇
  1972年   60篇
  1971年   58篇
  1968年   57篇
  1967年   64篇
排序方式: 共有8464条查询结果,搜索用时 7 毫秒
231.
232.
233.
234.
235.
This study assessed relations between exposure to trauma and post-traumatic stress (PTS) symptoms, and whether perceived social support from family and friends and gender moderated these associations. Syrian refugee youth (N = 418, 55.0% female) attending public schools in Jordan participated. Boys reported more age-adjusted PTS symptoms than girls. Analyses revealed that family support and gender moderated the association of trauma on PTS symptoms. For males, the benefits of family support were most evident under conditions of high traumatic stress exposure, while for females, benefits of family support were evident when no loss or injury to family members had been reported. Support from friends was not helpful for either gender. School- or family-based interventions designed to treat PTS symptoms need to consider the different needs of boys and girls, particularly within the Syrian Muslim cultural context.  相似文献   
236.
Fernández  Jordi 《Synthese》2021,198(1):641-660
Synthese - Are those judgments that we make on the basis of our memories immune to error through misidentification (IEM)? In this paper, I discuss a phenomenon which seems to suggest that they are...  相似文献   
237.
Sedlár  Igor  Tedder  Andrew 《Studia Logica》2021,109(3):471-471
Studia Logica - We, the authors, would like to thank Guillaume Aucher for informing us of his “Displaying Updates in Logic”, published in the Journal of Logic and Computation,...  相似文献   
238.
Jenei  Sándor 《Studia Logica》2021,109(4):887-901
Studia Logica - Let $${\mathcal {O}}$$ be the class of odd involutive $$\hbox {FL}_e$$ -chains which admit finitely many idempotent elements. The price for describing the structure of such a rich...  相似文献   
239.
Over several decades, the consideration of future consequences (CFC) construct has been used to explain and predict health behaviors. However, the reported associations between CFC and health behaviors are relatively weak, leading to the low explanatory power of the models. Recent research suggests that CFC can be a domain‐specific construct. In this study, we explored the psychometric properties of the Norwegian CFC‐general and CFC‐health questionnaires in terms of factor structure and discriminant and convergent validity and tested the association between the general and domain‐specific CFC and exercise and eating behaviors. In a randomized survey experiment, 1,001 university students were assigned to either a CFC‐general or a CFC‐health questionnaire. In the tested models, two dimensions of CFC, consideration of immediate consequences (CFC‐I) and consideration of future consequences (CFC‐F), were independent variables. The exercise and eating behaviors, measured both as self‐evaluated behaviors and self‐reported frequency measures, were dependent variables. The results showed that in both CFC‐general and CFC‐health, CFC‐I and CFC‐F are distinct dimensions that differentially explain variance in health behaviors. A domain‐specific CFC‐health explained a significantly higher amount of variance in self‐reported eating and exercising behaviors than a general CFC. Self‐evaluated health behaviors were better explained by CFC than self‐reported behavioral frequencies. Practical implications of the findings and avenues for future research are discussed.  相似文献   
240.
Estrada-González  Luis  Cano-Jorge  Fernando 《Synthese》2021,199(5-6):11821-11845
Synthese - In this paper we show that, when analyzed with contemporary tools in logic—such as Dunn-style semantics, Reichenbach’s three-valued logic exhibits many interesting features,...  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