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   13215篇
  免费   319篇
管理学   1684篇
民族学   53篇
人才学   1篇
人口学   1129篇
丛书文集   78篇
教育普及   2篇
理论方法论   1265篇
综合类   341篇
社会学   6728篇
统计学   2253篇
  2021年   72篇
  2020年   205篇
  2019年   241篇
  2018年   259篇
  2017年   390篇
  2016年   301篇
  2015年   243篇
  2014年   281篇
  2013年   2169篇
  2012年   416篇
  2011年   330篇
  2010年   224篇
  2009年   247篇
  2008年   287篇
  2007年   297篇
  2006年   232篇
  2005年   370篇
  2004年   321篇
  2003年   267篇
  2002年   287篇
  2001年   322篇
  2000年   305篇
  1999年   315篇
  1998年   223篇
  1997年   215篇
  1996年   219篇
  1995年   193篇
  1994年   206篇
  1993年   182篇
  1992年   240篇
  1991年   240篇
  1990年   217篇
  1989年   222篇
  1988年   197篇
  1987年   189篇
  1986年   191篇
  1985年   180篇
  1984年   214篇
  1983年   203篇
  1982年   166篇
  1981年   143篇
  1980年   143篇
  1979年   169篇
  1978年   137篇
  1977年   120篇
  1976年   104篇
  1975年   101篇
  1974年   95篇
  1973年   93篇
  1971年   66篇
排序方式: 共有10000条查询结果,搜索用时 239 毫秒
161.
162.
College newspapers are a powerful but underutilized medium for educating students on health issues, including those related to drug and alcohol use on campus. Editors of these publications are in a position to wield significant influence among their readers. In addition to communicating factual information about the prevalence and impact of substance use among college students, editors can use the press to advocate changes in students' attitudes and behaviors and in college or community policies that affect substance use. A pilot conference was held to help New England college newspaper editors perceive the importance of their role in educating their peers about substance use and other health-related issues, and to offer concrete suggestions as to how they can incorporate these topics into an "activist" campus press.  相似文献   
163.
164.
This is a report from a conference held in Tokyo, Japan, in 1991 on the economic aspects of labor mobility in Asia. The authors briefly describe selected papers given at the conference and outline conference topics. A list of participants is included. (SUMMARY IN FRE AND SPA)  相似文献   
165.
166.
"The number of forced migrants...is estimated today to exceed 40 million [worldwide]. The changed international climate of the 1990s...has shifted the focus from the asylum and resettlement countries to the countries of origin: there is today a greater willingness to intervene in other countries' affairs either to avert the creation of new flows of focused migrants or to assist internally displaced populations, and there is the expectation of large-scale voluntary returns of refugees in asylum. This article discusses these and other policy issues concerning forced migration in this new international environment."  相似文献   
167.
The refugee situation after the 1984 movement from Indonesia is examined in terms of policy implications and assistance as well as the welfare and education of refugees. Information was collected from government sources and documents and from households in camps and communities over a 3-month period and was published in a government report in February, 1988. This article provides a review of the border issues, resistance and exodus, reactions within Papua New Guinea, 1984-85 border crossings, social and demographic refugee profiles, government response, UN involvement, border refugee camp conditions, repatriation and relocation, reasons for the exodus, and relocation to and conditions in East Awin and the implications. This exodus from West Papua New Guinea (a region now called Irian Jaya) after Indonesia's take over in 1962 represents a unique situation, which also has lessons for other asylum seekers looking for refuge status in friendly neighboring countries. International agreements, such as the Geneva Convention and Protocol, can disrupt social networks and households when the relocation they permit is implemented. Full economic and social participation is hampered by a low quality provision of education and social services. The gain is in removing "destabilizing threats to the host state and society," at the expense of the economic and residential security of the migrants. Humanitarianism hides inequalities; internationalism, in this case, confirmed Indonesian sovereignty and large scale economic exploitation. An estimated 300,000 Melanesians have died since the take over, which amounts to 30% of the total population in 1970. Persecution was the reason for migration to Papua New Guinea; migration numbers are not accurate and range from the official 2000-3000 to 12,000 in 1984. Reactions to the migration have been mixed, and fear of the military might of Indonesia is real. The government was not prepared to cope with the scale of migration and had no plans for food relief, shelter, or medical assistance; the consequence for the refugees was death by starvation. Refugee camps were located along the border; the populations varied by camp. Some were 56% male or female, and 43% of the entire population were 15 years of age. 75% were dependent on subsistence crop production before leaving. Development assistance was dependent on refugee movement away from border areas, in this case to East Awin.  相似文献   
168.
The authors examine the present conditions of 26 small, isolated populations living in the north of Russia. The total size of the population under consideration is 181,600, according to the 1989 Soviet census. The conclusion is that these populations are under severe threat of extinction and that there is no consensus about how to resolve their present predicament.  相似文献   
169.
This paper focuses on theories and techniques for forecasting fertility and mortality. Period and cohort analyses of fertility and mortality in Germany over the past century are first discussed. Alternative techniques for forecasting future trends in these variables in the Federal Republic of Germany are then outlined. The economic and social policy consequences of different mortality and fertility assumptions are also briefly noted.  相似文献   
170.
This study examines the possibility that estimation of the effect of breast-feeding on infant survival is affected by selection bias, in that children who are healthier at birth may be more likely to be breast-fed. Data are from the 1976 Malaysian Family Life Survey. "Ordinary logit models for breast-feeding and survival are estimated, and the results suggest that selection is indeed present. For example, children of higher birth weight appear to be more likely to be breast-fed and likely to survive. In addition, weight at birth and the duration of breast-feeding appear to be linked." Using birth weight as an indicator for the child's health, the authors conclude that "the direct influence of breast-feeding on survival remains of overwhelming importance even after corrections for selection bias are made."  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