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   221篇
  免费   22篇
  国内免费   6篇
安全科学   18篇
废物处理   3篇
环保管理   35篇
综合类   33篇
基础理论   16篇
环境理论   2篇
污染及防治   3篇
评价与监测   3篇
社会与环境   11篇
灾害及防治   125篇
  2023年   6篇
  2022年   6篇
  2021年   4篇
  2020年   8篇
  2019年   15篇
  2018年   7篇
  2017年   11篇
  2016年   5篇
  2015年   10篇
  2014年   8篇
  2013年   14篇
  2012年   8篇
  2011年   13篇
  2010年   10篇
  2009年   8篇
  2008年   2篇
  2007年   10篇
  2006年   15篇
  2005年   15篇
  2004年   10篇
  2003年   8篇
  2002年   10篇
  2001年   7篇
  2000年   13篇
  1999年   4篇
  1998年   7篇
  1996年   2篇
  1995年   2篇
  1993年   1篇
  1991年   1篇
  1990年   1篇
  1989年   1篇
  1988年   1篇
  1986年   1篇
  1984年   1篇
  1980年   1篇
  1979年   1篇
  1971年   1篇
  1970年   1篇
排序方式: 共有249条查询结果,搜索用时 203 毫秒
11.
ABSTRACT

In this Forum, three scholars discuss how climate engineering will pose novel human rights challenges, and may well force reconsideration of how human rights are applied as a guide to action. Following a short introduction, the first section introduces three competing approaches to human rights, arguing views which emphasize fairness or attempt to maximize satisfaction are more promising than one viewing human rights as inviolable ‘side-constraints’. The second section draws lessons from climate migration that are relevant for climate engineering in terms of incorporating a human rights approach to duties, rights, and participation. The final section compares the ‘needs-based’ and ‘rights-based’ approaches to humanitarian work in the face of climate change and climate engineering, raising concerns for duty-bearers and right-holders. The Forum’s conclusion draws together points of overlap and suggests a path forward for policy and research on this topic.  相似文献   
12.
This paper analyses the contribution of virtue ethics, the study of good character traits, to the humanitarian context. It argues that a virtue ethics perspective paints a realistic picture of the use of ethical standards in morally complex circumstances. Virtuous relief workers can employ standards in their thinking, but they are also committed to professional excellence that goes beyond any formal code. The concept of virtue ethics places a stress on moral development, which can be facilitated by role models that impart modest and feasible ideals. However, virtue ethics cannot provide simple guidelines on how to resolve difficult situations. It is possible that two virtuous persons can disagree on what should be done in a particular instance. In addition, a virtue ethics perspective emphasises the need for both individuals and organisations to discuss the actual purpose of relief work in order to pinpoint the virtues of a good relief professional.  相似文献   
13.
Although significant progress has been made in developing the practice of humanitarian logistics, further improvements in efficiency and effectiveness have the potential to save lives and reduce suffering. This paper explores how the military/emergency services’ concept of a common operating picture (COP) can be adapted to the humanitarian logistics context, and analyses a practical and proven approach to addressing the key challenge of inter‐agency coordination and decision‐making. Successful adaptation could provide the mechanism through which predicted and actual demands, together with the location and status of material in transit, are captured, evaluated, and presented in real time as the basis for enhanced decision‐making between actors in the humanitarian supply network. Through the introduction of a humanitarian logistics COP and its linkages to national disaster management systems, local communities and countries affected by disasters and emergencies will be better placed to oversee and manage their response activities.  相似文献   
14.
15.
文章分析了变压吸附技术存在的问题,并提出解决措施。通过对变压吸附技术应用现状的总结,对该技术未来的发展方向进行预测与评价。指出变压吸附技术能够经济高效地实现物质的分离,有望成为分离技术未来的发展方向,为环保和工业生产做出更大贡献。  相似文献   
16.
随着人们生活水平的提高,服装更新速度越来越快,废旧衣服既污染环境,其再利用价值也没有发挥出来.把循环经济中的“3R原则”应用到废旧衣服回收中,以发挥废旧衣服的最大价值.  相似文献   
17.
This paper outlines the implications of international approaches to humanitarian assistance in Afghanistan, focusing in particular on the period since the Taliban assumed power. It argues that international efforts to use conditionality on humanitarian assistance have proved ineffective in influencing the Taliban's policies, and have been implemented despite the negative impact on the welfare of the whole population. Efforts to adopt a principled approach to aid programming in this environment have also raised many ethical dilemmas which are likely to remain major challenges in that country and elsewhere.  相似文献   
18.
Park design principles are proposed on the basis of consideration and analysis of rare plant species in Great Smoky Mountains National Park, USA. Rare species richness can be used as a simple measure of preservation success. A semilogartihmic species-area model for the Smokies was used in this analysis. Species richness would increase logarathmically with expansion of the national park area. An analysis of the relationship between species richness and the distribution of geologic and topographic features in the national park was also reported. An asymptotic relation was documented for the accumulation of newly recorded rare and endangered vascular plant species in the Smokies region up to 1978. Several multiple regression linear models predicted rare vascular plant species richness in Great Smoky Mountains National Park from area and topographic variates.Preserve design criteria can be based upon species-area, environmental gradient, and natural features distribution patterns for the specific taxa and biogeographic region under consideration. In addition, natural history characteristics for particular vulnerable species must be assessed. Rather than concentrating on the preservation of undocumented immigration and extinction processes, preserve design should be directed towards protecting geographic components and gradient patterns characteristic of a region.  相似文献   
19.
Three fundamental concepts linking drainage basin characteristics, stream behavior, and management of watersheds are deduced from field data and observations. An electrical analogy of a watershed clarifies definitions and broadens understanding of this complex natural resource. The three basic principles deal with (1) the interrelationships of watershed morphology, constitution, and appearance; (2) the nature of the control man can exert over runoff-influencing forces, and (3) the efficiency of watershed management efforts. Recognition of these principles can assist educators, managers, planners and researchers to more fully inform students and to more effectively guide and evaluate management decisions.  相似文献   
20.
Prompted by the calls in recent years to link relief practice to peace-building, development, or both, several conferences and papers have recently mounted a strong critique, seeing these 'broadenings' of relief as 'eroding' or 'corrupting' core humanitarian principles and playing into neo-isolationist agendas to slash humanitarianism. This paper argues that whereas these critiques have important goals in mind when they encourage a concentration on the basics of relief, there has been a loss of subtlety in the ensuing debate. Considering each element of the debate in turn, the paper argues that there is more common ground between 'new' and 'old', 'broadened' and 'basics' relief than at first appears. In concluding, it is argued that further research on key questions, and an openness to hear all perspectives will get us further than entrenched positions and rallying cries.  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