全文获取类型
收费全文 | 15067篇 |
免费 | 217篇 |
国内免费 | 1篇 |
专业分类
管理学 | 2190篇 |
民族学 | 71篇 |
人口学 | 1365篇 |
丛书文集 | 47篇 |
理论方法论 | 1206篇 |
综合类 | 172篇 |
社会学 | 6411篇 |
统计学 | 3823篇 |
出版年
2023年 | 80篇 |
2021年 | 86篇 |
2020年 | 214篇 |
2019年 | 313篇 |
2018年 | 393篇 |
2017年 | 529篇 |
2016年 | 373篇 |
2015年 | 253篇 |
2014年 | 380篇 |
2013年 | 2673篇 |
2012年 | 472篇 |
2011年 | 459篇 |
2010年 | 340篇 |
2009年 | 343篇 |
2008年 | 330篇 |
2007年 | 352篇 |
2006年 | 340篇 |
2005年 | 329篇 |
2004年 | 289篇 |
2003年 | 272篇 |
2002年 | 300篇 |
2001年 | 389篇 |
2000年 | 372篇 |
1999年 | 345篇 |
1998年 | 251篇 |
1997年 | 236篇 |
1996年 | 219篇 |
1995年 | 192篇 |
1994年 | 235篇 |
1993年 | 190篇 |
1992年 | 259篇 |
1991年 | 240篇 |
1990年 | 218篇 |
1989年 | 204篇 |
1988年 | 175篇 |
1987年 | 172篇 |
1986年 | 178篇 |
1985年 | 183篇 |
1984年 | 198篇 |
1983年 | 184篇 |
1982年 | 163篇 |
1981年 | 129篇 |
1980年 | 139篇 |
1979年 | 152篇 |
1978年 | 133篇 |
1977年 | 126篇 |
1976年 | 101篇 |
1975年 | 112篇 |
1974年 | 94篇 |
1973年 | 80篇 |
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
851.
852.
Hopper GR 《Population and development review》1999,25(3):443-477
Systematic and critical evaluation, using food balance sheets, census population data, government surveys, food composition statistics, and estimates of the population's biological requirements, shows that the realized improvements in food supplies in India of the past five decades, while beneficial, have been insufficient to meet the nutritional needs of the average person in a population that grew from less than 350 million to nearly one billion during this period. The improvements also fall significantly short of meeting the needs of the clinically malnourished. Present per capita dietary energy intakes range from as high as 95 percent to as low as 50 percent of daily requirements. Additionally, comparison of past and present diets shows that as the composition of the diet has changed with time, its nutritional quality for many has deteriorated despite an apparent increase in overall food quantity. This has come about from changes in the production system that have emphasized wheat and rice crops at the expense of more nutritional pulses and coarse grains, and from widespread poverty that leaves high-quality animal foods beyond the means of most. 相似文献
853.
This paper examines perceptions of family relations, identity expression, and pro-lesbian/gay resources as factors influencing coming out to parents. One hundred seventy-two adolescents responded to a survey originating from a clinical support group for lesbian and gay youth. Findings indicate that weak family relations significantly detract from coming out to parents indirectly through identity expression and perceived resources. Excluding the effects of family relations, adolescents perceiving supportive resources and expressing their lesbian/gay identity were more likely to come out to parents. 相似文献
854.
The consequences of major changes in employment, due to the decline of manufacturing and the growth of the service sector, have not been well-documented, nor theorized, in the sociology of ethnic relations, even in recent studies. For example, Blumer's classic argument that economic development adapts to 'race relations', rather than the reverse as predicted by the modernization school, has not been either empirically resolved or conceptually applied to the UK. By adapting data from the Labour Force Survey and the Census, the paper begins to fill this gap with a detailed account of three main minority ethnic groups, and a separate analysis of male and female employment. It is demonstrated that, contrary to assumptions that members of the minority ethnic groups suffered most from de-industrialization, they actually did rather well, and in some cases did better than the majority population. These findings are re-conceptualized as collective social mobility, as part of a review of a number of conceptual frameworks in the light of the data. 相似文献
855.
This paper examines survey data relating class mobility to satisfaction and dissatisfaction with seven different domains of everyday life among nationally representative samples of men and women living in ten industrialized nations. The evidence is set against competing pessimistic and optimistic accounts of the mobility experience found in earlier literature. Results show that individuals who move from working-class origins to middle-class destinations are no more likely to be systematically satisfied or dissatisfied with life than are the socially immobile or even those downwardly mobile from advantaged backgrounds into the working class. Indeed, in all nations, the overall association between class experience and satisfaction with life is both weak and uneven across the different life-domains. The study also serves to illustrate an important principle of research methodology more generally. 相似文献
856.
857.
Crowder KD 《The International migration review》1999,33(1):79-113
"To assess the relative roles of race and ethnicity in shaping patterns of residential segregation, this article utilizes indices of segregation and a geographic mapping strategy to examine the residential patterns of West Indian blacks in the greater New York City area. The socioeconomic characteristics of neighborhoods occupied by West Indian blacks are also examined and compared to those of areas occupied by African Americans. The results indicate that, on one hand, West Indians are largely denied access to residential areas occupied predominantly by whites and are confined to areas of large black concentrations. On the other hand, West Indians appear to have carved out somewhat separate residential enclaves within these largely black areas...." 相似文献
858.
1 In this era of rapidly changing mental health services and new psychotropic drugs, health professionals are challenged to develop and maintain psychopharmacology competencies. 2 The Psychopharmacology RACE provides an interactive and learner-oriented method of developing and assessing theoretical and clinical competencies for psychopharmacology. 3 The Psychopharmacology RACE is also well suited for modification and application toward the professional development of nurses and the education of clients. 相似文献
859.
Performing some laboratory tests on site at a student health service clinic may increase efficiency and cut costs for patients. However, with the passage of the Clinical Laboratory Improvement Amendments (CLIA) of 1988, many laboratories in physician offices and clinics have shut down because of increased regulatory requirements. The personnel in one SHS laboratory found that the guidelines proposed by CLIA help assure quality care and are not prohibitive. In this article, the process of applying for and receiving a CLIA certificate in the student health clinic setting is explored. 相似文献
860.
R M Friedrich S Lively K C Buckwalter 《Journal of psychosocial nursing and mental health services》1999,37(8):11-19
As a result of the ongoing hallucinations and delusions, life at home became "anxious and chaotic" with "lots of stress." Because there was no on-site crisis intervention by professionals, well siblings were sometimes called upon to control the violent behavior and were vigilant and fearful regarding the potential for abuse. Negative symptoms were the most disturbing to well siblings. Siblings need help to understand that social isolation and lack of motivation are symptoms of the illness--not due to "laziness." 相似文献