全文获取类型
收费全文 | 8132篇 |
免费 | 142篇 |
专业分类
管理学 | 1142篇 |
民族学 | 31篇 |
人才学 | 7篇 |
人口学 | 703篇 |
丛书文集 | 30篇 |
理论方法论 | 803篇 |
综合类 | 75篇 |
社会学 | 3983篇 |
统计学 | 1500篇 |
出版年
2023年 | 45篇 |
2021年 | 55篇 |
2020年 | 113篇 |
2019年 | 175篇 |
2018年 | 190篇 |
2017年 | 289篇 |
2016年 | 200篇 |
2015年 | 147篇 |
2014年 | 200篇 |
2013年 | 1335篇 |
2012年 | 280篇 |
2011年 | 225篇 |
2010年 | 203篇 |
2009年 | 185篇 |
2008年 | 218篇 |
2007年 | 236篇 |
2006年 | 214篇 |
2005年 | 194篇 |
2004年 | 198篇 |
2003年 | 159篇 |
2002年 | 188篇 |
2001年 | 201篇 |
2000年 | 159篇 |
1999年 | 175篇 |
1998年 | 153篇 |
1997年 | 160篇 |
1996年 | 108篇 |
1995年 | 119篇 |
1994年 | 125篇 |
1993年 | 112篇 |
1992年 | 117篇 |
1991年 | 119篇 |
1990年 | 110篇 |
1989年 | 96篇 |
1988年 | 108篇 |
1987年 | 97篇 |
1986年 | 89篇 |
1985年 | 108篇 |
1984年 | 94篇 |
1983年 | 89篇 |
1982年 | 85篇 |
1981年 | 71篇 |
1980年 | 70篇 |
1979年 | 90篇 |
1978年 | 69篇 |
1977年 | 60篇 |
1976年 | 69篇 |
1975年 | 67篇 |
1974年 | 38篇 |
1973年 | 40篇 |
排序方式: 共有8274条查询结果,搜索用时 0 毫秒
41.
Allan F. Abrahamse Peter A. Morrison Nancy Minter Bolton 《Population research and policy review》1994,13(4):383-398
Surname analysis is a potentially useful technique for identifying members of particular racial, ethnic, or language communities within a population. We review the existing state of the art for identifying persons of Hispanic or Asian origin, based on surnames distinctive of each group. We describe the logic of surname analysis, profile several available surname dictionaries, and illustrate their applications in local redistricting. Results of our ongoing validation studies suggest promising future directions for improving accuracy and broadening applications.This article is based on a paper presented at the annual Population Association of America meetings at Cincinnati, 1 April 1993. 相似文献
42.
43.
Mark Bebbington Chin-Diew Lai Riardas Zitikis 《Australian & New Zealand Journal of Statistics》2007,49(3):251-265
Finding optimal, or at least good, maintenance and repair policies is crucial in reliability engineering. Likewise, describing life phases of human mortality is important when determining social policy or insurance premiums. In these tasks, one searches for distributions to fit data and then makes inferences about the population(s). In the present paper, we focus on bathtub‐type distributions and provide a view of certain problems, methods and solutions, and a few challenges, that can be encountered in reliability engineering, survival analysis, demography and actuarial science. 相似文献
44.
In conjunction with TIMET at Waunarlwydd (Swansea, UK) a model has been developed that will optimise the scheduling of various blooms to their eight furnaces so as to minimise the time taken to roll these blooms into the finished mill products. This production scheduling model requires reliable data on times taken for the various furnaces that heat the slabs and blooms to reach the temperatures required for rolling. These times to temperature are stochastic in nature and this paper identifies the distributional form for these times using the generalised F distribution as a modelling framework. The times to temperature were found to be similarly distributed over all furnaces. The identified distributional forms were incorporated into the scheduling model to optimise a particular campaign that was run at TIMET Swansea. Amongst other conclusion it was found that, compared to the actual campaign, the model produced a schedule that reduced the makespan by some 35%. 相似文献
45.
46.
47.
Mark Duffett 《Information, Communication & Society》2003,6(3):307-325
Most discussions of popular music on the Internet focus on the utopian potential of new file-sharing technologies, yet applications that reproduce existing inequalities also deserve attention. Webcasting is the streaming (transmission) of digital video to multiple recipients in cyberspace. Paul McCartney's Webcast from the Cavern was a landmark case. It was a digital package staged for reproduction, and yet it felt live; in this article I explore why and offer a two-part explanation. The first part is that "live'-ness is based on an increasingly false opposition to recording, but, because that opposition still remains, Little Big Gig could seem live by adopting some trappings associated with it. The second part is that Internet use is mediated by daily life and computer users brought their own desire to the Webcast, in particular desires to see a Beatle play in the Cavern. Webcasting is an unanticipated use of the Internet that is being used to support corporate interests. With its widespread publicity, Little Big Gig helped naturalize that process. 相似文献
48.
OGBURN WF 《AJS; American journal of sociology》1948,53(6):474-476
49.
Yen Steven T. Douglass Shaw W. Eiswerth Mark E. 《Review of Economics of the Household》2004,2(1):73-88
Asthma patients' health status may be especially sensitive to some types of air pollution, but the evidence on this is mixed. We explore the effects of ground-level ozone on asthma patient's activities, breaking apart the usual aggregated category of leisure into indoor and outdoor activities, and differentiating those by whether the activities were active or inactive. Applying the semiparametric censored estimation method we demonstrate that even though the period over which activities were observed was relatively low in ozone levels, there is a significant impact of ozone on a few activities. The (non-ozone) economic and demographic variables in the model play significant roles in explaining the allocation of time among seven activities, suggesting the suitability of the approach for other household decision-making contexts. 相似文献
50.
Disabled people's attitudes toward other impairment groups: a hierarchy of impairments 总被引:2,自引:2,他引:0
Mark Deal 《Disability & Society》2003,18(7):897-910
This article seeks to explore, through the literature, the notion that a hierarchy of impairment exists from the perspectives of both disabled and non-disabled people. The literature suggests that disabled people, like non-disabled people, do not always wish to be associated with other impairment groups for a variety of complex reasons, including competing for scarce allocations of funding/resources, sexual attraction, stigma, etc. The article concludes that further research is required in relation to disabled people's attitudes toward other disabled people, in general, and other impairment groups. Such research would expand our knowledge with respect to the degree to which disabled people view themselves as a homogenous in-group, as a set of separate impairment groups, or viewing impairment as only one facet of identity. These findings would help the disability movement to achieve greater inclusiveness amongst different impairments. 相似文献