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   563篇
  免费   31篇
  国内免费   6篇
林业   93篇
农学   36篇
基础科学   27篇
  45篇
综合类   333篇
农作物   8篇
水产渔业   18篇
畜牧兽医   21篇
园艺   16篇
植物保护   3篇
  2024年   2篇
  2023年   5篇
  2022年   17篇
  2021年   18篇
  2020年   16篇
  2019年   21篇
  2018年   18篇
  2017年   21篇
  2016年   29篇
  2015年   23篇
  2014年   37篇
  2013年   31篇
  2012年   42篇
  2011年   49篇
  2010年   42篇
  2009年   39篇
  2008年   40篇
  2007年   47篇
  2006年   24篇
  2005年   17篇
  2004年   11篇
  2003年   13篇
  2002年   6篇
  2001年   6篇
  2000年   3篇
  1999年   4篇
  1998年   1篇
  1997年   2篇
  1996年   2篇
  1995年   1篇
  1994年   2篇
  1992年   2篇
  1991年   2篇
  1990年   1篇
  1989年   2篇
  1988年   4篇
排序方式: 共有600条查询结果,搜索用时 15 毫秒
1.
吕丹  江朦朦 《农学学报》2021,11(8):110-115
文章首先对家庭农场(专业大户)、农民专业合作社以及农业产业化龙头企业等新型农业经营主体开展农产品电子商务现状进行梳理,归纳总结了各类主体开展农产品电子商务的特点以及采用的电子商务模式。其次,从客观条件和主观意识2个方面,分析了制约新型农业经营主体开展农产品电子商务的关键因素。最后,从政府管理层面和新型农业经营主体层面分别提出了促进农产品电子商务采纳的对策建议,即在政府管理层面,要从人才培养、智慧物流、精准施政、第三方服务等方面扫清障碍;在新型农业经营主体层面,提倡品牌定位精准化、生产流程标准化、生产过程可视化、营销模式多元化、产品包装规格化,充分发挥新型农业经营主体在推动农产品电子商务发展和农业现代化建设中的示范引领作用。  相似文献   
2.
文章以用户参与为理论基础,以融入科研管理为实践目标,创新性地提出一种适合科研院所的机构知识库建设模式,并以江苏省农业科学院为例进行了实证研究,该模式兼具传统机构知识库功能,又能体现科研机构特色、解决科研机构成果管理问题.在此基础上,还分析明确了适用于科研院所成果管理和共享的数据审核流程、元数据标准规范、功能模块、系统架构、管理运行机制等.  相似文献   
3.
吴汪友 《保鲜与加工》2019,19(5):165-169
根据水果的特点和社会消费需求的趋势,总结鲜果电商物流存在的问题,探讨铁邮协同的鲜果电商物流优势,分析其中转耗时及投送区域,并明确该模式的运行主体及分工、运作关键环节、成本控制与收益分配,以此为铁邮协同开展鲜果电商物流提供参考。  相似文献   
4.
This paper conceptualises and evaluates so-called co-management zones as an approach for user participation in urban forestry, specifically in the management of public woodland edges bordering residential areas. Co-management zones can metaphorically be viewed as ‘ecotone-like’ spaces, i.e. zones where overlapping interest – in this case residents’ and municipal authorities’ – can be used to create richness and meetings rather than boundaries. Building on the perspectives of ecotone thinking and governance arrangements, co-management zones in the Danish residential area of Sletten in Holstebro were evaluated. The presented case study combined interviews with residents and interviews with three key green space professionals who had led the planning, design, establishment and management of the woodland and the implementation of co-management. The resident participation in the co-management zone was also assessed and photo documented in a field survey, categorising individual households according to type and degree of physical signs of participation. Findings illustrate the potential of co-management zones to initiate collaboration between residents and public woodland managers in creating recreationally valuable and varied meetings between private gardens and urban woodlands. Challenges with establishing co-management zones were also highlighted, especially the need for clear guidelines and continuous communication between residents and the municipality. Perspectives and implications related to residents, managers and green space quality are discussed.  相似文献   
5.
梁娟娟 《林产工业》2020,57(3):83-85
随着全球电子商务蓬勃发展,新中式木家具突破传统的国内营销环境,在“一带一路”沿线国家提高外贸市场占有率越来越重要。简述了电商环境与传统营销环境异同点,对新中式木家具外贸市场进行初步研判,提出了拓展电商环境下新中式木家具外贸市场措施。  相似文献   
6.
农村电子商务发展研究述评   总被引:3,自引:0,他引:3  
近年来电子商务在农村取得快速发展,并发挥了重要作用。该研究从基础性研究、发展模式、发展对策、物流问题、移动电子商务等5个方面对近年来国内学者对农村电子商务发展的研究成果进行了综述,并从自组织的角度,对农村电子商务的理论与实践提出新的研究视角。  相似文献   
7.
国外社区参与生态补偿的实践及经验   总被引:10,自引:0,他引:10  
本文介绍了其他国家农村社区参与生态补偿的做法及主要经验,以期为我国社区参与生态补偿提供一些借鉴.  相似文献   
8.
Small-scale farm forestry has the potential to offer many benefits both to landholders and the wider community. As with all changes in land-use practices, there are associated benefits and costs and these are not uniformly distributed. They have varying impacts on the different values, aspirations, goals and objectives that exist within the community. Furthermore, the community does not consider these values, aspirations, goals and objectives of equal importance. The degree of concern can vary from minor to high and overriding all other considerations. When evaluating farm forestry options it is necessary to address all of these concerns. This paper examines the combined use compensatory and non-compensatory multi-criteria analyses to evaluate forestry options, in a case study for the Darling Downs region of Queensland, Australia. These aggregation techniques are found to be highly complementary and together provide a comprehensive analysis. The compensatory technique provides a sound measure of overall performance of a forestry system, whereas the non-compensatory technique alerts decision-makers to presence of particularly poor performance with respect to individual criteria. The compensatory technique used is simple and understandable even for those with non-mathematical backgrounds. This analysis can identify and aid communication of the relative benefits and costs, and trade-offs, between economic, environmental and social considerations.  相似文献   
9.
Conflict management and participation in community forestry   总被引:1,自引:0,他引:1  
In this paper consideration is first given to how community forestry practitioners have commonly understood the term participation, and why the concept of conflict does not seem to have overlapped with notions of participation. Failure to perceive conflict as inherent in participation is shown to have led to problems in implementation of community forestry programmes. The emerging awareness of conflict today is shown to be associated with the move away from community forestry in the form of village-based tree planting schemes towards community forest management, which involves devolution of state authority over natural forests. The paper presents a number of methods for managing conflict and discusses their strong and weak points. Using the experience of the introduction of participation as a comparison, the paper considers the extent to which conflict management might be adopted as standard practice by forest agencies in community forestry. The paper concludes that because of the limited mandate of forest agencies, it is unlikely that they will be able to use conflict management tools to bring about social justice in forest conflict situations. However, the paper suggests that use of such tools could result in heightened awareness of the importance of conflict and in this way improve forest practice.This revised version was published online in November 2005 with corrections to the Cover Date.  相似文献   
10.
我国财政支出绩效评价存在问题的研究及启示   总被引:1,自引:0,他引:1  
绩效评价作为一项新的财政支出管理举措,由于认识、制度和管理等原因,导致了绩效评价在评价程序等方面出现了一些问题。作者通过对财政支出项目绩效评价的案例研究,提出现阶段财政支出绩效评价中存在问题的解决思路。  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