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   1934篇
  免费   71篇
  国内免费   1篇
管理学   392篇
民族学   25篇
人口学   163篇
丛书文集   9篇
理论方法论   128篇
综合类   82篇
社会学   751篇
统计学   456篇
  2023年   36篇
  2022年   27篇
  2021年   22篇
  2020年   53篇
  2019年   60篇
  2018年   111篇
  2017年   137篇
  2016年   132篇
  2015年   72篇
  2014年   92篇
  2013年   265篇
  2012年   113篇
  2011年   73篇
  2010年   68篇
  2009年   71篇
  2008年   69篇
  2007年   62篇
  2006年   76篇
  2005年   62篇
  2004年   53篇
  2003年   37篇
  2002年   51篇
  2001年   35篇
  2000年   32篇
  1999年   9篇
  1998年   6篇
  1997年   6篇
  1996年   7篇
  1995年   6篇
  1994年   9篇
  1992年   5篇
  1991年   10篇
  1989年   7篇
  1987年   4篇
  1986年   6篇
  1985年   4篇
  1983年   6篇
  1982年   7篇
  1981年   5篇
  1980年   5篇
  1976年   5篇
  1975年   4篇
  1973年   5篇
  1972年   4篇
  1971年   5篇
  1970年   8篇
  1969年   7篇
  1968年   10篇
  1967年   4篇
  1966年   9篇
排序方式: 共有2006条查询结果,搜索用时 234 毫秒
131.
The reconstruction of populations by stochastic optimization solves the nontrivial problem of finding demographic flows from population registers or vital statistics and censuses, if available. These flows allow the reconstruction of stocks (age pyramids and vital statistics). After a review of reconstruction methods, the sensitivity analysis shows the robustness of the method by stochastic optimization to flawed or missing values, to the length of the reconstruction period, and to variations in the actual demographic flows.  相似文献   
132.
It is shown that the concept of ?Hawthorne effect‘ was created many years after the Hawthorne studies in Western Electric Company. Presently, the ?Hawthorne effect‘ concept is increasingly used in social sciences and many other sciences. The concept is however used in different and occasionally digressive meanings. The question arises whether such a concept is useful at all. In addition, it is discussed why the rather imprecise reports of single Hawthorne field experiments have been spread as academic folklore, and why rather undefined concepts like the ?Hawthorne effect‘ are used so widely in psychology and social sciences.  相似文献   
133.
Queer theory often falls impotent in its palatability across disciplinary lines. I offer a conceptual article that interrogates the dis-ease and divide when considering queer theory in and for the health sciences. In so doing, I look to foster a process of making queer theory more tenable to applied practice—and to make practice in social work, at least, more queer. The exemplar of HIV is deconstructed as a preeminent discourse and health disparity. In the end, it is argued that queer theory may be an essential intervention in the arsenal of the helping professions.  相似文献   
134.
Si l'effondrement du PIB consécutif à la crise économique mondiale de 2008 a nui avant tout à l'emploi des hommes, les politiques d'austérité auraient davantage affecté celui des femmes. L'auteure cherche à vérifier ce scénario dans huit pays européens, en décomposant la variation trimestrielle du taux d'activité et du taux d'emploi des femmes et des hommes à l'échelon sectoriel. Elle montre que l'association entre he‐cession et she‐austerity ne se confirme pas toujours, mais que les politiques d'austérité peuvent nuire à l'égalité des sexes et aux droits de la femme par d'autres mécanismes d'action, qu'elle répertorie et commente.  相似文献   
135.
136.
137.
The aim of this cross-sectional study was to investigate the mediational role of common dyadic coping in the links between depressive mood and relationship satisfaction. We estimated two competing Actor–Partner Mediator Models, in which the dyad is the highest unit of analysis. The first model specified dyadic coping as a mediator in the association between relationship satisfaction and depression, whereas the second model specified dyadic coping as a mediator between depression and relationship satisfaction. Analyzing data from 198 couples, our findings provided a plausible approximation of the second model, representing the interactional model of depression. They showed that common dyadic coping mediates the link between depression and relationship satisfaction for men only.  相似文献   
138.
On-going human population growth and changing patterns of resource consumption are increasing global demand for ecosystem services, many of which are provided by soils. Some of these ecosystem services are linearly related to the surface area of pervious soil, whereas others show non-linear relationships, making ecosystem service optimization a complex task. As limited land availability creates conflicting demands among various types of land use, a central challenge is how to weigh these conflicting interests and how to achieve the best solutions possible from a perspective of sustainable societal development. These conflicting interests become most apparent in soils that are the most heavily used by humans for specific purposes: urban soils used for green spaces, housing, and other infrastructure and agricultural soils for producing food, fibres and biofuels. We argue that, despite their seemingly divergent uses of land, agricultural and urban soils share common features with regards to interactions between ecosystem services, and that the trade-offs associated with decision-making, while scale- and context-dependent, can be surprisingly similar between the two systems. We propose that the trade-offs within land use types and their soil-related ecosystems services are often disproportional, and quantifying these will enable ecologists and soil scientists to help policy makers optimizing management decisions when confronted with demands for multiple services under limited land availability.  相似文献   
139.
140.
In this paper we show the exact estimability of the transfer functions of linear stochastic systems under two sets of conditions.The main point is to demonstrate the measurability of the “identifying” function.The estimability od the transfer functions is not only of interest for its own but also for the estimability of the system parameters.  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