全文获取类型
收费全文 | 2996篇 |
免费 | 112篇 |
国内免费 | 33篇 |
专业分类
管理学 | 339篇 |
民族学 | 7篇 |
人口学 | 27篇 |
丛书文集 | 281篇 |
理论方法论 | 98篇 |
综合类 | 2173篇 |
社会学 | 175篇 |
统计学 | 41篇 |
出版年
2024年 | 5篇 |
2023年 | 21篇 |
2022年 | 19篇 |
2021年 | 32篇 |
2020年 | 48篇 |
2019年 | 43篇 |
2018年 | 50篇 |
2017年 | 62篇 |
2016年 | 60篇 |
2015年 | 94篇 |
2014年 | 179篇 |
2013年 | 259篇 |
2012年 | 212篇 |
2011年 | 213篇 |
2010年 | 220篇 |
2009年 | 216篇 |
2008年 | 223篇 |
2007年 | 259篇 |
2006年 | 226篇 |
2005年 | 170篇 |
2004年 | 129篇 |
2003年 | 122篇 |
2002年 | 92篇 |
2001年 | 61篇 |
2000年 | 39篇 |
1999年 | 12篇 |
1998年 | 4篇 |
1997年 | 4篇 |
1996年 | 4篇 |
1995年 | 5篇 |
1994年 | 5篇 |
1993年 | 8篇 |
1992年 | 5篇 |
1991年 | 8篇 |
1990年 | 1篇 |
1989年 | 4篇 |
1988年 | 2篇 |
1987年 | 11篇 |
1986年 | 1篇 |
1985年 | 2篇 |
1984年 | 6篇 |
1983年 | 2篇 |
1981年 | 3篇 |
排序方式: 共有3141条查询结果,搜索用时 15 毫秒
1.
Christian Dormann Mikaela Owen Maureen Dollard Christina Guthier 《Work and stress》2018,32(3):248-261
Longitudinal studies are the gold standard of empirical work and stress research whenever experiments are not plausible. Frequently, scales are used to assess risk factors and their consequences, and cross-lagged effects are estimated to determine possible risks. Methods to translate cross-lagged effects into risk ratios to facilitate risk assessment do not yet exist, which creates a divide between psychological and epidemiological work stress research. The aim of the present paper is to demonstrate how cross-lagged effects can be used to assess the risk ratio of different levels of psychosocial safety climate (PSC) in organisations, an important psychosocial risk for the development of depression. We used available longitudinal evidence from the Australian Workplace Barometer (N?=?1905) to estimate cross-lagged effects of PSC on depression. We applied continuous time modelling to obtain time-scalable cross effects. These were further investigated in a 4-year Monte Carlo simulation, which translated them into 4-year incident rates. Incident rates were determined by relying on clinically relevant 2-year periods of depression. We suggest a critical value of PSC?=?26 (corresponding to ?1.4 SD), which is indicative of more than 100% increased incidents of persistent depressive disorder in 4-year periods compared to average levels of PSC across 4 years. 相似文献
2.
The widely used empirical Bayes (EB) and full Bayes (FB) methods for before–after safety assessment are sometimes limited because of the extensive data needs from additional reference sites. To address this issue, this study proposes a novel before–after safety evaluation methodology based on survival analysis and longitudinal data as an alternative to the EB/FB method. A Bayesian survival analysis (SARE) model with a random effect term to address the unobserved heterogeneity across sites is developed. The proposed survival analysis method is validated through a simulation study before its application. Subsequently, the SARE model is developed in a case study to evaluate the safety effectiveness of a recent red‐light‐running photo enforcement program in New Jersey. As demonstrated in the simulation and the case study, the survival analysis can provide valid estimates using only data from treated sites, and thus its results will not be affected by the selection of defective or insufficient reference sites. In addition, the proposed approach can take into account the censored data generated due to the transition from the before period to the after period, which has not been previously explored in the literature. Using individual crashes as units of analysis, survival analysis can incorporate longitudinal covariates such as the traffic volume and weather variation, and thus can explicitly account for the potential temporal heterogeneity. 相似文献
3.
This paper proposes ‘comprehensive neighbourhood mapping’ as a schema for gathering and interpreting information within a given geographical area which is informed by imaginative thinking about the safety of children and young people from sexual crime. It would build upon current forms of profiling by local authorities, health authorities and central Government. CNM would actively involve local people, in partnership with agencies, in ‘mapping’ danger points and support points. Eight components are discussed, including environmental issues, locations of sex offenders, sites where teenagers meet and share information, supportive individuals and organizations. Some issues for pilot projects are discussed, including the need to set up planning and implementation groups and to integrate CNM into wider child protection and community safety strategies. CNM is grounded in an ecological perspective which sees partnership approaches as essential and believes an overarching view of neighbourhood needs, based on detailed local information and understanding of how different forms of harm interconnect, is crucial in developing child protection strategies. At times of acute official anxiety about community ‘lynch‐mob’ reactions to known paedophiles, CNM aims to build communities which instead are informed and thoughtful about child protection. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
4.
略论高校校园文化的大众化和先进性 总被引:1,自引:0,他引:1
梁沪东 《广州大学学报(社会科学版)》2002,1(7):88-92
本文认为校园文化建设要坚持大众化和先进性 ,才能有效地适应社会主义文化建设 ,有利于大学生的素质培养 ,造就高素质的“四有”新人。 相似文献
5.
论网络环境下的高校校园文化建设 总被引:2,自引:0,他引:2
陆宏儒 《广西师范学院学报(哲学社会科学版)》2002,23(2):114-116
网络正在改变人们的思想观念和行为方式。网络发展也给高校校园文化带来新的机遇和挑战 ,高校校园文化建设只有顺应时代潮流 ,调整思路 ,趋利避害 ,才能把握主动 ,使校园文化发挥应有的作用 相似文献
6.
论数字化校园建设的要点和策略 总被引:10,自引:0,他引:10
陈建斌 《中北大学学报(社会科学版)》2002,(1):96-98
“数字化校园”是基于现代教育技术的高速发展 ,对传统教育进行全新改革后形成的 ,符合建构主义要求的全新教育环境 ,要求从教育理念、教育体制、教学方式、教学内容等多方面进行全面的革新和改造。综合提出一种“数字化校园”的概念 ,对其组成、特征、要点和建设策略作了初步的探讨。 相似文献
7.
相对社会责任的承担与实现,对企业自身和社会都具有重大意义,但由于缺乏机制的制约和策略的应用,其实现是困难的。正确处理企业利益与社会责任的关系,促使更多企业从履行绝对社会责任,上升到追求更高层次社会责任的实现,一方面需要外在环境的保障,另一方面要求企业在履行社会责任时,注意策略选择。 相似文献
8.
金磊 《北京联合大学学报(人文社会科学版)》2008,6(2):80-86
通过对安全文化发展演变历史的简单回眸,探讨了适用于城市安全减灾的安全文化教育的模式及方法,尤其从文化建设层面上研究了应用安全文化建设方法的特点。作为最现实的应用,还就2008年北京“安全奥运”的系统化建设提出了“安全奥运文化”普及教育的思路。 相似文献
9.
对新时期高校校园文化建设的思考 总被引:1,自引:0,他引:1
高校校园文化建设对于大学生的全面成长、成才具有重要的意义,但新时期带来了许多新情况和新问题,解决好这些问题,需要从校园文化建设的组织运作和活动内容与目标重新定位、创新等方面入手,进一步加强高校校园文化建设。论文从校园文化建设的必要性和重要性出发,对高校校园文化现状进行分析,对新时期校园文化建设的具体措施进行了深入探讨。针对大学生自身情况,以全面教育作为校园文化建设的主要内容和目标,并以此为核心,设计了校园文化活动体系,创建了以月份为单位的校园文化框架。为高校大学生校园文化建设提供了可供参考的意见和建议。 相似文献
10.
We describe a risk-based analytical framework for estimating traffic fatalities that combines the probability of a crash and the probability of fatality in the event of a crash. As an illustrative application, we use the methodology to explore the role of vehicle mix and vehicle prevalence on long-run fatality trends for a range of transportation growth scenarios that may be relevant to developing societies. We assume crash rates between different road users are proportional to their roadway use and estimate case fatality ratios (CFRs) for the different vehicle-vehicle and vehicle-pedestrian combinations. We find that in the absence of road safety interventions, the historical trend of initially rising and then falling fatalities observed in industrialized nations occurred only if motorization was through car ownership. In all other cases studied (scenarios dominated by scooter use, bus use, and mixed use), traffic fatalities rose monotonically. Fatalities per vehicle had a falling trend similar to that observed in historical data from industrialized nations. Regional adaptations of the model validated with local data can be used to evaluate the impacts of transportation planning and safety interventions, such as helmets, seat belts, and enforcement of traffic laws, on traffic fatalities. 相似文献