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   10767篇
  免费   362篇
  国内免费   153篇
管理学   634篇
劳动科学   3篇
民族学   55篇
人才学   1篇
人口学   278篇
丛书文集   965篇
理论方法论   718篇
综合类   5734篇
社会学   1573篇
统计学   1321篇
  2024年   28篇
  2023年   115篇
  2022年   138篇
  2021年   175篇
  2020年   255篇
  2019年   297篇
  2018年   292篇
  2017年   361篇
  2016年   282篇
  2015年   425篇
  2014年   1057篇
  2013年   1828篇
  2012年   1157篇
  2011年   834篇
  2010年   779篇
  2009年   656篇
  2008年   580篇
  2007年   318篇
  2006年   274篇
  2005年   270篇
  2004年   258篇
  2003年   271篇
  2002年   197篇
  2001年   130篇
  2000年   101篇
  1999年   31篇
  1998年   22篇
  1997年   18篇
  1996年   14篇
  1995年   14篇
  1994年   14篇
  1993年   11篇
  1992年   7篇
  1991年   4篇
  1990年   5篇
  1989年   7篇
  1988年   12篇
  1986年   4篇
  1985年   5篇
  1984年   8篇
  1983年   3篇
  1982年   5篇
  1981年   9篇
  1980年   3篇
  1979年   4篇
  1978年   2篇
  1977年   1篇
  1976年   1篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
151.
Here, we consider a generalized form of the alternative zero-inflated logarithmic series distribution of Kumar and Riyaz (J. Statist. Comp. Simul., 2015) and study some of its important aspects. The parameters of the distribution are estimated by the method of maximum likelihood and some test procedures are developed for testing the significance of the additional parameter of the model. All these estimation and testing procedures are illustrated with the help of certain real life datasets. A simulation study is also carried out for assessing the performance of the estimators.  相似文献   
152.
Turing's formula is an amazing result that allows one to estimate the probability of observing something that has not been observed before. After a brief review of the literature, we perform a simulation study to better understand how well this formula works in a variety of situations. We also compare the performance of Turing's formula with several modifications that have appeared in the literature. We find that these modifications tend to outperform Turing's formula, but usually not by very much. We further find that Turing's formula and its modifications tend to work better for heavy-tailed distributions than for light-tailed ones.  相似文献   
153.
Abstract

This article explores visual discourses about over-40 and over-50 femininities that emerge from women’s own Instagram accounts. It analyses women’s visual and textual rhetoric of what over-40 and over-50 looks like, and whether it could interrupt the ageist, sexist, and body-normative discourses of female ageing and visibility. Intertextual visual discourse analysis of images, captions, and hashtags reveals two dominant themes (fitness and fashion) and two repeating rhetorical elements (motherhood and self-sufficiency) through which women make themselves visible as over-40/50. A few explicitly subversive discourses (i.e., over-40 fatshion account) exist, but a discourse of a healthy, fit, fashionable, independent, self-sufficient, and happy mother over-40/50 is prevalent. It easily lends itself to being interpreted as an insidious reproduction of post-feminist ideology, but I argue that there are moments of critique and subversion within. Thus, a reparative reading that acknowledges moments of disconnect from the discourse that normalizes ageing women’s limited or non-existent visibility is offered.  相似文献   
154.
Single women of the Baby Boomer generation are often financially disadvantaged in the retirement planning process due to their lower accumulated savings compared to male retirees. This disadvantage impacts significant consumption decisions such as postretirement housing choices. This study uses the theory of planned behavior to examine how certainty in intentions influences preparing and planning for postretirement housing. A typology of single Baby Boomer women is developed based on their financial, demographic, and psychological circumstances. Each segment likely requires different informational strategies and financial services to foster proactive planning for retirement. Significant implications exist for social policy and the financial services sector.  相似文献   
155.

Problem

Information that women receive about the importance of monitoring fetal movements and what to do if there are changes is inconsistent and may not be evidence based.

Background

This paper reports a summary of the kind of messages a group of South Australian midwives (n = 72) currently give pregnant women.

Methods

Comment data from two questions in a larger survey asking (1) what information midwives routinely provide to women about fetal movements and (2) their practice regarding advice they give to women reporting reduced fetal movements. Data were analysed using summative content analysis.

Findings

Four main recurring words and phrases were identified. With respect to information midwives give all women about monitoring fetal movements, recurring words were “10”, “normal”, “kick charts” and “when to contact” their care-provider. Recurrent words and phrases arising from answers to the second question about advice midwives give to women reporting reduced fetal movement were “ask questions,” “suggest fluids,” “monitor at home and call back” or “come in for assessment”.

Discussion

These findings suggest that a group of South Australian midwives are providing pregnant women with inconsistent information, often in conflict with best practice evidence.

Conclusion

As giving correct, evidence based information about what to do in the event of an episode of reduced fetal movement may be a matter of life or death for the unborn baby it is important that midwives use existing guidelines in order to deliver consistent information which is based on current evidence to women in their care.  相似文献   
156.
Due to the great number of Romanian pupils in Spanish public school, the local administration organises extra-curricular Romanian courses in order to preserve the Romanian language and culture. This is a way to contribute to build and consolidate a bicultural and bilingual profile of the young people. Besides, it is also an opportunity to align with plurilingual and pluricultural competence established by The Common European Framework of References for Languages (2002). Based on the premise that “children's literature is an intercultural instrument”, I choose as corpus the Romanian children's folklore represented by games, formula-songs, recital-stories, household words, incantations, riddles and lullabies to translate into Spanish. After the translations, Romanian children had to find similarities and differences between the Romanian and Spanish children's songs, in order to augment the knowledge about both cultures.  相似文献   
157.
Research examining parental reports of children's living arrangements has often relied on information about legally ordered custody agreements following divorce. This analysis used data from matched pairs of parents (N = 1,156) in the Fragile Families and Child Wellbeing Study who live apart to compare mother and father reports of their child's residence 5 years after a nonmarital birth. The authors found that over one third of unmarried parents disagreed about who their child lived with and that conflicting reports were much more likely when fathers spent nights with the mother (an indicator of part‐time cohabitation) and had overnights with the child on their own. The results further suggest that discrepancies in unmarried parents' reports were more closely associated with the complexity and ambiguity of their living situations than with the quality of their relationships with each other. Implications for measuring children's living arrangements in families formed outside of marriage are discussed.  相似文献   
158.
Individuals in a social dilemma may experience a self-control conflict between urges to act selfishly and their better judgment to cooperate. Pairing a public goods game with a subtle framing technique, we test whether perception of self-control conflict strengthens the association between self-control and cooperation. Consistent with our hypothesis, cooperative behavior is positively associated with self-control in the treatment that raised the relative likelihood of perceiving conflict, but not associated with self-control in the treatment that lowered the likelihood. These results indicate that it is important to understand the role of self-control in cooperation.  相似文献   
159.
The scientific community has pronounced climate change unequivocal and its consequences disastrous. Yet Americans' behavioral response to the global social problem of environmental degradation has been largely confined to the individual act of recycling. This article examines why Americans are not doing more to address climate change and other environmental issues. Taking a cognitive sociological perspective, I describe how Americans think about environmental issues and pro‐environmental behavior. I draw on Swidler's concept of a “cultural tool kit,” to examine the cultural narratives Americans use to account for the small amount of pro‐environmental behavior they perform. The act of recycling functions as a synecdoche for pro‐environmental behavior in general, allowing individuals to over‐claim the significance of a modest amount of pro‐environmental behavior. I argue that Americans' failure to engage with environmental issues at a collective level is rooted in the individualized culture of American environmentalism.  相似文献   
160.
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