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1.
文章结合数字经济的内涵和外延,分别从数字基础设施、数字产业化、产业数字化等方面构建了数字经济发展水平量化指标体系,基于熵值法测度了中国2010—2018年数字经济发展趋势,并建立灰色预测模型对2019—2028年的数字经济发展走向进行预测。研究结果表明:2010—2018年,中国数字经济发展水平增长了4.4倍,年均增速达到50%,2019—2028年,中国数字经济发展水平增速将不断提高,预计2028年数字经济发展水平将是2018年的5倍。因此,我国要进一步推动新型数字经济基础设施建设,加快传统产业的数字化转型,积极发展电信业等数字产业,以保障我国数字经济快速发展。  相似文献   
2.
文章以2013—2018年中国267个地级及以上城市为研究对象,实证研究了土地资源错配与环境污染之间的关系以及环境规制在土地资源错配和环境污染之间的调节作用。结果表明:土地资源错配与环境污染呈显著正相关关系,即土地资源错配会造成环境污染,且环境规制在土地资源错配和环境污染之间具有抑制作用。异质性分析中,运用地理加权回归模型,按照土地资源错配对环境的污染程度对城市分类,与中度污染组相比,环境规制对重度污染组的土地资源错配和环境污染之间的抑制作用更加显著;按照全国资源型城市分类,与成长型城市和衰退型城市组相比,环境规制的抑制作用在成熟型城市和再生型城市组更明显。  相似文献   
3.
自20世纪80年代开始,环境风险感知研究成为国际学者关注的重点和热点。国内外大量学者基于不同学科视角对环境风险感知进行研究,但这一研究领域仍存在较大争议。以1982—2019年公开发表的关于环境风险感知的415篇WOS期刊相关论文为样本,运用SATI软件构建知识单元共现矩阵,将矩阵导入 Ucinet 社会网络分析软件生成环境风险感知关键词共现知识图谱,采用SPSS软件对高频关键词相异矩阵进行因子分析、聚类分析和多维尺度分析,呈现环境风险感知的9个研究流派和4个维度的知识谱系,并在此基础上割裂为实存论和建构论。多学科路径下环境风险感知研究在“概念阐释”“内容统一”“理论整合”呈现相互渗透,彼此交融特征,但是由于实存论和建构论的互异性和隔膜,导致环境风险感知研究难以实质融合,由此可为我国的环境风险感知研究提供借鉴和反思。  相似文献   
4.
基于CGSS 2013数据,以旅游领域为切入点,以游客为研究对象,分析游客环境知识的影响因素及其城乡差异。研究发现:性别、受教育程度、环境问题了解程度、政府环境治理行为对游客环境知识具有显著影响,且这些因素对游客环境知识影响的城乡差异显著。据此提出,应通过教育手段增进游客环境知识的储备,通过宣传手段推进游客环境知识的积累,通过行政手段加强游客环境知识的引导,进而引导游客树立生态环境保护理念和实施公共环境友好行为,促进生态环境的可持续发展。  相似文献   
5.
Addressing the lack of physical activity (PA) in rural adults is vital because of the role it plays in the risk for many chronic diseases. The purpose of the study was to explore the feasibility of conducting a 12-week intervention utilizing a Fitbit to increase PA behavior in inactive rural adults recruited from a primary care clinic. Semi-structured interviews were conducted with study participants (n=10) and a focus group was held with nurses (n=7) from the primary care clinic. Data were analyzed using the process of immersion/crystallization. Participants and nurses both felt the program had a positive impact on PA and that the program was needed in the community. Study participants most often reported their favorite part of the study was being able to track their activity as well as the goal setting. However, study participants reported barriers to continued participation in PA related to a lack of time and ability to be active in cold weather. Further, nursing staff reported barriers in regard to a lack of resources (staffing and money) These barriers need to be examined further and addressed in order to implement a sustainable PA program that can be maintained through a primary care clinic.  相似文献   
6.
In realist evaluation, where researchers aim to make program theories explicit, they can encounter competing explanations as to how programs work. Managing explanatory tensions from different sources of evidence in multi-stakeholder projects can challenge external evaluators, especially when access to pertinent data, like client records, is mediated by program stakeholders. In this article, we consider two central questions: how can program stakeholder motives shape a realist evaluation project; and how might realist evaluators respond to stakeholders’ belief-motive explanations, including those about program effectiveness, based on factors such as supererogatory commitment or trying together in good faith? Drawing on our realist evaluation of a service reform initiative involving multiple agencies, we describe stakeholder motives at key phases, highlighting a need for tactics and skills that help to manage explanatory tensions. In conclusion, the relevance of stakeholders’ belief-motive explanations (‘we believe the program works’) in realist evaluation is clarified and discussed.  相似文献   
7.
The increasing elderly population puts significant health, economic, and social burdens on society. Physical activity is one of the most cost-effective ways to maintain the health of the elderly. This study adopts a treatment effects model to investigate the causal relationship between environment attributes and physical activity among the elderly, while taking endogeneity into account. The data were collected from 274 participants by face-to-face interviews in Taichung, Taiwan. Performing physical activity regularly in parks is the most important measure of the amount of physical activity by the elderly. Providing sufficient and accessible parks in metropolitan residential neighborhoods could be one of the most cost-effective ways to promote physical activity for the elderly living in midsize Asian cities.  相似文献   
8.
This paper introduces a systemic methodology for reviewing professional responses to abuse between young people. The approach, “contextual case reviewing,” draws upon constructivist structuralism to assess the extent to which safeguarding practices engage with the social and public contexts of abuse. The paper conceptually compares the methodologies of contextual case review and other serious case review methods before drawing upon findings from 2 studies, which used the contextual case review methodology to explore the extrafamilial nature of peer‐on‐peer abuse and the ability of child protection practices to engage with this dynamic. Thematic findings from these studies regarding the practical interpretation of “significant harm” and “capacity to safeguard,” as well as their use within child protection assessments, are used to challenge conclusions of other case reviews, which imply that child protection procedures are sufficient for safeguarding young people. Contextual case reviews suggest that safeguarding practices, and the legislation that underpins them, are culturally, procedurally, and organisationally wedded to the context of the home, whereas insufficiently engaged with extrafamilial contexts of significant harm. The application of these issues require interrogation if social work systems are to provide sufficient mechanisms for safeguarding young people and families at risk of significant harm.  相似文献   
9.
The spectre of environmental ‘domestic extremism’ has long been postulated by police leaders and security analysts in Britain. It is a narrative that has justified the commitment of enormous amounts of government resources towards police intelligence work directed at non-violent direct action campaigns. Most controversially, this has included the long-term infiltration of environmental (and other) activist groups by undercover police. This article provides a critical analysis of the justifications put forward in support of the covert surveillance of environmental activists in Britain. The paper proceeds by way of a single case study – a high profile, environmental direct action protest in the north of England – in order to reveal the levels of abuse, manipulation and deception at the basis of undercover protest policing. Through their court case, the activists involved with this action were able to obtain rare insights into the police authorisation documents for the undercover operation that had led to their arrests. An analysis of these documents provides us with a glimpse of the contradictory justifications given by senior police officers for infiltration – now under scrutiny by a public inquiry.  相似文献   
10.
Research shows that top‐down‐designed parenting programmes do not always meet the needs of postmigration parents. Bottom‐up programmes by migrant organizations hold a promise to fill this gap; however, research about these programmes and appropriate evaluation methodologies is scarce. Drawing upon Wenger's ( 2010 ) “communities of practice,” this paper explores an alternative perspective on parenting programme evaluation. Findings are presented from a study looking into social learning processes of postmigration parents who participated in a bottom‐up programme about raising teenagers in urban areas. Using an ethnographically inspired method combined with a preprogramme and postprogramme design, 115 Moroccan‐Dutch mothers and fathers from 15 programme groups participated. Results show that the programme provided a social learning space in which parents used themselves as resources to learn collectively about parenting. Moreover, parents consciously engaged in learning interactions across learning spaces stretched into their social networks. These analyses showed how parents' development of “learning citizenship” (Wenger, 2009 ) provides us with insight in collective learning dimensions present in a bottom‐up parenting programme, which is often not included in evaluation studies. Implications for practitioners as facilitators of parents' collective learning are presented.  相似文献   
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