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   26489篇
  免费   788篇
  国内免费   1篇
管理学   3560篇
民族学   143篇
人才学   1篇
人口学   2352篇
丛书文集   104篇
教育普及   1篇
理论方法论   2419篇
综合类   465篇
社会学   12778篇
统计学   5455篇
  2023年   164篇
  2022年   108篇
  2021年   186篇
  2020年   439篇
  2019年   639篇
  2018年   781篇
  2017年   1025篇
  2016年   799篇
  2015年   546篇
  2014年   716篇
  2013年   4748篇
  2012年   969篇
  2011年   885篇
  2010年   665篇
  2009年   559篇
  2008年   707篇
  2007年   653篇
  2006年   639篇
  2005年   588篇
  2004年   584篇
  2003年   555篇
  2002年   564篇
  2001年   652篇
  2000年   572篇
  1999年   561篇
  1998年   431篇
  1997年   364篇
  1996年   381篇
  1995年   375篇
  1994年   332篇
  1993年   349篇
  1992年   406篇
  1991年   384篇
  1990年   384篇
  1989年   328篇
  1988年   334篇
  1987年   296篇
  1986年   322篇
  1985年   346篇
  1984年   301篇
  1983年   289篇
  1982年   221篇
  1981年   200篇
  1980年   214篇
  1979年   227篇
  1978年   197篇
  1977年   161篇
  1976年   130篇
  1975年   140篇
  1974年   130篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
991.
用科学发展观指导高校教育改革的实践   总被引:1,自引:0,他引:1  
该文阐述了科学发展观的内涵,即全面发展、协调发展和可持续发展,并阐述了如何利用科学发展观指导高等学校的发展和教育教学改革,即以人为本、结构优化、统筹发展,提高教学质量,全面实现教学的协调发展。  相似文献   
992.
This paper is an assessment of the impact of child support enforcement and welfare policies on nonmarital teenage childbearing and motherhood. We derive four hypotheses about the effects of policies on nonmarital teenage childbearing and motherhood. We propose that teenage motherhood and school enrollment are joint decisions for teenage girls. Based on individual trajectories during ages 12–19, our analysis uses an event history model for nonmarital teenage childbearing and a dynamic model of motherhood that is jointly determined with school enrollment. We find some evidence that child support policies indirectly reduce teen motherhood by increasing the probability of school enrollment, which, in turn, reduces the probability of teen motherhood. This finding suggests that welfare offices may wish to place greater weight on outreach programs that inform more teenagers of the existence of strong child support enforcement measures. Such programs might reduce nonmarital teen motherhood further and thus reduce the need for welfare support and child support enforcement in the long run.
Lingxin HaoEmail:
  相似文献   
993.
绿色管理——企业可持续发展的必然选择   总被引:7,自引:0,他引:7  
保护生态环境,实现可持续发展是企业在21世纪必须面对的发展战略问题.随着环境污染的日益严重和人们环保意识的不断提高,传统企业管理方式已无法适应人类社会发展的需要.一种新型管理方式——绿色管理应运而生.该文通过对绿色管理的概念、绿色管理产生与发展过程的阐述,揭示了绿色管理是企业可持续发展的必然选择.  相似文献   
994.
近600年来我国的旱灾与瘟疫   总被引:6,自引:0,他引:6  
根据有关历史文献、气象资料、报表和地方志的统计结果 ,15— 19世纪 ,全国共发生旱灾 15次 ,总历时 4 9年 ,其中 14次有瘟疫伴生。北方旱灾 14次 ,13次有瘟疫伴生 ;南方旱灾 7次 ,均有瘟疫伴生 ,有 6次南北同旱。 2 0世纪 ,全国共发生旱灾 18次 ,其中 ,北方旱灾 17次 ,两次有瘟疫伴生 ;南方旱灾 11次 ,1次有瘟疫伴生。 2 0世纪的灾害发生率是前 5 0 0年的 6倍。该文指出 ,这是由于在全球工业化过程中 ,不断增加的温室气体产生了温室效应 ,使气候变暖、降水减少、持续冬暖所致。因此 ,该文建议加快实施西部开发 ,治理环境 ,实施节水、调水工程 ,提高防灾抗灾能力 ,以缓解南北旱灾和瘟疫的发生  相似文献   
995.
对西部林业生态环境建设资源配置方式的探讨   总被引:2,自引:0,他引:2  
资源配置的方式是西部林业生态环境建设的重要问题 ,它决定着资源的合理利用和效益大小 ,也影响着我国西部地区经济发展的进程。该文探讨了在西部大开发的背景下 ,在林业实施跨越式发展的形势所需下 ,西部所进行的林业生态环境建设 ,如何进行资源配置方式的选择。在分析了关于计划和市场两种资源配置方式的观点后 ,认为根据西部目前的现实状况 ,西部林业生态环境建设应实行计划和市场相结合的资源配置方式  相似文献   
996.
This article uses privileged families who hire Independent Educational Consultants (IECs) as an instance to examine how privileged parents collaborate with individuals whom they consider educational experts to support their children in the college race. We argue that advantaged parents' anxieties about their children have created a market for IECs who provide expert advice in order to mitigate the uncertainties that these parents experience and to manage various goals that they want to achieve at an important turning point in their children's lives. Drawing primarily on interviews with parents who work with IECs, we introduce the concept of “collaborative cultivation” to analyze the processes whereby advantaged parents rely on the expertise and expert status of private counselors to cope with their and their children's vulnerability in the college race while at the same time preparing their children for the unknown future. The parental method of “concerted cultivation” reveals how elite parents rely on individuals they perceive as experts to establish “bridges” between their own social worlds and the academic worlds that appear to beyond their control. This bridging labor points to the myriad cultural beliefs enacted to justify the child‐rearing goals that privileged parents wish to accomplish by working with IECs.  相似文献   
997.
Lesbian, gay, bisexual, transgender and queer-identified (LGBTQ) youth are a population with a unique set of service needs. Existing research on effective service methods with LGBTQ youth is limited. Youth empowerment holds potential as an approach that can impact well-being among youth who face discrimination. The current study explores the relationship between the social justice youth development framework (Ginwright and James, New Directions Youth Dev 96:27–46, 2002) and youth empowerment in a sample of LGBTQ youth. Multiple regression analysis of data collected through a community-based youth program identified critical consciousness and community engagement as significant predictors of empowerment. Findings suggest that programs that promote these factors among LGBTQ youth using the social justice youth development framework may enhance empowerment thereby increasing other aspects of well-being.  相似文献   
998.
Two within household telephone sampling techniques for collecting citizen survey data for community mental health center's needs assessments were compared on the basis of respondent demographic characteristics; response, completion, and refusal rates; and, administrative costs. Initially, all households were chosen via random digit dialing. Then, one technique allowed the surveyor to interview any adult member of a household who answered the phone. The other technique used was developed by Troldahl and Carter and required the use of a reference table procedure to determine the appropriate respondent. While more expensive, the Troldahl-Carter method produced significantly better representativeness of the population for a rural county. Factors relating to a decision regarding which technique to employ are discussed.  相似文献   
999.
This paper examines the evidence base for interventions which seek to enhance social support resources for families with children at risk of adverse developmental outcomes. Substantive and methodological issues related to the implementation of social support interventions are discussed and a research agenda for the development, testing and evaluation of such interventions is presented.  相似文献   
1000.
Prolonged emergency department (ED) visits are associated with a number of adverse outcomes for patients as well as lower patient satisfaction scores and increased costs. Several factors that influence the length of ED visits are out of the control of hospital employees, but some opportunities exist to improve performance. For this study, the ED department of a 150-bed hospital in the southeastern United States wanted to improve door-to-discharge time. To do so, a subprocess of door-to-discharge time was targeted, door-to-order. After analyzing the process, the team created standard orders for the 10 most common presenting conditions in the ER with preapproval, allowing nurses to submit the orders without the provider first visiting the patient. Following the process change, daily feedback was added to increase utilization of the preapproved orders. Reductions in door-to-order times and door-to-discharge were observed and patient satisfaction remained stable. Implications for future research in this area are discussed.  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