全文获取类型
收费全文 | 19708篇 |
免费 | 369篇 |
国内免费 | 1篇 |
专业分类
管理学 | 2787篇 |
民族学 | 74篇 |
人才学 | 1篇 |
人口学 | 1909篇 |
丛书文集 | 78篇 |
教育普及 | 2篇 |
理论方法论 | 1784篇 |
现状及发展 | 1篇 |
综合类 | 261篇 |
社会学 | 9637篇 |
统计学 | 3544篇 |
出版年
2021年 | 119篇 |
2020年 | 291篇 |
2019年 | 402篇 |
2018年 | 465篇 |
2017年 | 640篇 |
2016年 | 498篇 |
2015年 | 365篇 |
2014年 | 480篇 |
2013年 | 3078篇 |
2012年 | 651篇 |
2011年 | 641篇 |
2010年 | 464篇 |
2009年 | 379篇 |
2008年 | 462篇 |
2007年 | 477篇 |
2006年 | 469篇 |
2005年 | 452篇 |
2004年 | 412篇 |
2003年 | 384篇 |
2002年 | 420篇 |
2001年 | 521篇 |
2000年 | 532篇 |
1999年 | 462篇 |
1998年 | 341篇 |
1997年 | 310篇 |
1996年 | 327篇 |
1995年 | 301篇 |
1994年 | 288篇 |
1993年 | 288篇 |
1992年 | 346篇 |
1991年 | 318篇 |
1990年 | 285篇 |
1989年 | 291篇 |
1988年 | 289篇 |
1987年 | 250篇 |
1986年 | 243篇 |
1985年 | 277篇 |
1984年 | 266篇 |
1983年 | 251篇 |
1982年 | 215篇 |
1981年 | 181篇 |
1980年 | 164篇 |
1979年 | 194篇 |
1978年 | 176篇 |
1977年 | 159篇 |
1976年 | 134篇 |
1975年 | 157篇 |
1974年 | 118篇 |
1973年 | 115篇 |
1972年 | 93篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
991.
Data from the U.S. Health and Retirement Study (N = 2,589) and the Australian Household Income and Labour Dynamics survey (N = 1,760) were used to compare the macro-level policy frameworks on individual retirement timing expectations for pre-baby boomers (61+ years) and early baby boomers (45 to 60 years). Australian workers reported younger expected age of retirement compared to the U.S. sample. Reporting poor health was more strongly associated with younger expected retirement age in the United States than in Australia. Cohort and gender differences in the United States were found for the effect of private health insurance on younger expected age at retirement. Our results draw attention to how cross-national comparisons can inform us on the effects of policies on retirement expectations among older workers. 相似文献
992.
Squires EC Sztainert T Gillen NR Caouette J Wohl MJ 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2012,28(3):337-350
Self-forgiveness is generally understood to be a mechanism that restores and improves the self. In the current study, we examine the possible deleterious consequences of forgiving the self among gamblers-specifically in regard to gamblers' readiness to change their problematic behavior. At a large Canadian university, 110 young adult gamblers' level of gambling pathology was assessed, along with their readiness to change and self-forgiveness for their gambling. Participants were 33 females and 75 males (2 unspecified) with a mean age of 20.33. Results revealed that level of pathology (at risk vs. problem gamblers) significantly predicted increased readiness to change. Self-forgiveness mediated this relationship, such that level of gambling pathology increased readiness to change to the extent that participants were relatively unforgiving of their gambling. Implications for seeking professional assistance as well as treatment and recovery are discussed. 相似文献
993.
994.
Laura M. Padilla‐Walker Gustavo Carlo Katherine J. Christensen Jeremy B. Yorgason 《Journal of research on adolescence》2012,22(3):400-408
This study examined the bidirectional relations between authoritative parenting and adolescents’ prosocial behavior over a 1‐year time period. Data were taken from Time 2 and 3 of the Flourishing Families Project, and included reports from 319 two‐parent families with an adolescent child (M age of child at Time 2 = 12.34, SD = 1.06, 52% girls). Cross‐lag analyses supported bidirectional relations between parenting and prosocial behavior with particular emphasis on the role of the adolescents’ prosocial behavior on subsequent parenting. Results also varied as a function of the reporter. Discussion focuses on the implications for understanding the multifaceted nature of prosocial development in adolescence. 相似文献
995.
996.
997.
998.
999.
1000.
In some occupations pushing forces are frequent when performed on horizontal ground and are standardized (ISO 2002). In special cases employees are obliged to grow container on slopes and the strains are poorly investigated. The objective of this work is to measure forces required to push garbage container on horizontal and inclined at 0, 4, 11 and 16 % grounds. Sudden and significant increases in heart rate reflect the possible risk of heart overload in long displacements. This study proposes realistic limits and provides a simple and protective tool for a group of employees without distinction of age or gender. These limits can even be reduced to a quasi-linear model where push 200 kg is the maximum for 0% slope and 60 kg for 10% slope. 相似文献