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   8491篇
  免费   456篇
  国内免费   76篇
管理学   164篇
劳动科学   5篇
民族学   117篇
人才学   1篇
人口学   244篇
丛书文集   879篇
理论方法论   544篇
综合类   4649篇
社会学   1104篇
统计学   1316篇
  2024年   4篇
  2023年   67篇
  2022年   95篇
  2021年   116篇
  2020年   204篇
  2019年   225篇
  2018年   209篇
  2017年   283篇
  2016年   240篇
  2015年   335篇
  2014年   935篇
  2013年   1494篇
  2012年   1222篇
  2011年   743篇
  2010年   697篇
  2009年   560篇
  2008年   459篇
  2007年   165篇
  2006年   127篇
  2005年   150篇
  2004年   140篇
  2003年   163篇
  2002年   137篇
  2001年   75篇
  2000年   44篇
  1999年   17篇
  1998年   13篇
  1997年   9篇
  1996年   7篇
  1995年   10篇
  1994年   7篇
  1993年   7篇
  1992年   2篇
  1991年   2篇
  1990年   5篇
  1989年   5篇
  1988年   5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9023条查询结果,搜索用时 31 毫秒
51.
The ‘mixed’ group, officially recognised in the 2001 Census, is one of the most rapidly growing ethnic groups in Britain. Although ‘mixed’ categorisation was added to ethnic coding in NHS datasets, our knowledge of health patterns for this population is meagre. Data quality problems remain a key obstacle, including poor reproducibility of the data and constraints on reporting due to sparse data bias. The consequent minimal and indicative evidence base has focused mainly on risky health behaviours, mental health and generic measures of self-rated health, as it has in the U.S.A. and Canada. There is negligible information on the main underlying causes of death, such as neoplasms, heart disease and stroke. Consideration should be given to pooling data across multiple years of health and general purpose surveys to enable reporting for the four ‘mixed’ categories and adjustment for mediating factors and relevant confounders, such as measures of socio-economic status.  相似文献   
52.
53.
The primary purpose of the current study was to investigate the influence of division of household labor, child care arrangements, wife’s financial contribution, work-schedule of wife, perception of wife employment and wife’s work preference were contributing to marital adjustment of husbands of working married women. Additionally, it explored the role of wife’s financial contribution, perception of wife’s employment and wife’s work preference in formation of marital adjustment among husbands of working women. The data were collected through a self-structured questionnaire from 283 husbands of employed married women with one year of marital duration and at least one child. The data were collected from the city of Gujrat, province of Punjab, Pakistan. Factor analysis was run for reliability and validity analysis was executed to examine the validity of the existing scales used in the current study. Multiple linear regression analysis was used for model fit. Division of household labor, child care arrangements, wife’s financial contributions, wife’s work-schedule, the perception of wife’s employment, and wife’s work preferences contributed to the marital adjustment of husbands of working married women. Our results seemed to reflect fluctuating dimensions of gender role ideologies among families. Incorporating new predictors of marital adjustment into literature of marriage and family has been a sociological significance of the current study.  相似文献   
54.
《哈姆雷特》蕴含的契约意识具有独特的审美特质。哈姆雷特通过一系列约定,和周围的人一起让混沌的世界恢复了秩序。这一切,不是靠武力和冲动,而是以自由意志为基础的缔约能力。契约的破与立的是故事情节发展的内动力,契约的守与背是哈姆雷特复仇的原动力,契约的自由意志与道德责任是莎士比亚对人性和社会的哲学思考。从这个角度来说,哈姆雷特试图遵循“奥卡姆剃刀”原则,依据约定的破与立,将国家恢复到有序状态。  相似文献   
55.
While child welfare practitioners in many countries are struggling to develop methods of effective family engagement, they operate within different national and cultural contexts that influence, both positively and negatively, the ability to engage with families. Increasingly, international comparisons are necessary to further understanding of the development of social work practice. This is particularly necessary because most countries utilize international frameworks (such as the United National Convention on the Rights of the Child) to provide guidance in the development of policies, programs, and interventions. Each country (and locality) struggles to advance practice to be more effective and humane. Our paper offers a comparative analysis focused on family-oriented and rights-based frameworks of different countries. Based on a review of current national policies and a review of the literature regarding family-based practices, we examine similarities and differences among four countries: the United Kingdom, Sweden, the United States, and South Korea. These countries were selected because they have some similarities (advanced industrialized democracies, professional social work, and formal child protection systems) but have some differences in their social welfare systems (policies, specific practices, and socio-cultural context). These differences can be utilized to advance understanding regarding the promise and potential for family engagement strategies. We then discuss the utility of this comparison for theory-building in the arena of child-care practice and conclude by identifying the challenges and limitations of this work.  相似文献   
56.
Cet article décrit les processus législatifs et judiciaires complexes nécessaires pour que le droit au coparentage s'impose dans le droit du travail italien. Après avoir expliqué que le système juridique italien a jusqu'à présent assimilé la protection de la famille à la seule protection de la femme et de la maternité, l'auteur décrit l'évolution législative qui a permis de reconnaître aux pères un rôle fondamental dans l'éducation des enfants. Il montre ensuite que la jurisprudence, en retenant une interprétation moderne des principes inscrits dans la loi, contribue à vaincre la résistance à une telle évolution dans une société encore marquée par la domination masculine.  相似文献   
57.
58.
A method is proposed in this paper to assess the local influence of minor perturbations for the Sharpe model when the normal distribution is replaced by normal/independent (NI) distributions. The family of NI distributions is an attractive class of symmetric heavy-tailed densities that includes as special cases the normal, t-Student, slash, and the contaminated normal distributions. Since the returns of the market are not observable, the statistical analysis is carried out in the context of an errors-in-variables model. An influence analysis for detecting influential observations (atypical returns) is developed to investigate the sensitivity of the maximum likelihood estimators. Diagnostic measures are obtained based on the conditional expectation of the complete-data log-likelihood function. The results are illustrated by using a set of shares of companies traded in the Chilean stock market.  相似文献   
59.
It is known that the normal approximation is applicable for sums of non negative random variables, W, with the commonly employed couplings. In this work, we use the Stein’s method to obtain a general theorem of non uniform exponential bound on normal approximation base on monotone size bias couplings of W. Applications of the main result to give the bound on normal approximation for binomial random variable, the number of bulbs on at the terminal time in the lightbulb process, and the number of m runs are also provided.  相似文献   
60.
有关黄河河源的概念,古代各种史学、地理、以及宗教文献都有相关记载。早期文献中提出的重源潜流的概念,也为塑造河源空间概念留下了发挥余地。及至唐朝,各种类书、笔记、野史关于位于境外的河源的著述沿用了上述文献中已有的地理知识,并融入了佛教世界观的空间概念以及唐代实地考察的纪录,逐渐构成了河源这一多元化的空间想象。本文探讨了不同知识框架对唐代河源记载的影响,以及在几幅现存宋代地图上所反映出的相关影响。这类文献资料有助于我们理解中古地理知识的深化与演变,以及后代地图上展示河源的更丰富的地图表现形式。  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