全文获取类型
收费全文 | 64篇 |
免费 | 10篇 |
专业分类
安全科学 | 22篇 |
废物处理 | 1篇 |
环保管理 | 24篇 |
综合类 | 12篇 |
基础理论 | 5篇 |
评价与监测 | 2篇 |
社会与环境 | 7篇 |
灾害及防治 | 1篇 |
出版年
2022年 | 4篇 |
2021年 | 1篇 |
2020年 | 3篇 |
2019年 | 3篇 |
2018年 | 3篇 |
2017年 | 3篇 |
2016年 | 1篇 |
2013年 | 6篇 |
2012年 | 2篇 |
2010年 | 5篇 |
2009年 | 5篇 |
2008年 | 1篇 |
2007年 | 4篇 |
2006年 | 4篇 |
2005年 | 7篇 |
2004年 | 7篇 |
2003年 | 4篇 |
2002年 | 1篇 |
2001年 | 4篇 |
1998年 | 1篇 |
1996年 | 1篇 |
1993年 | 1篇 |
1990年 | 1篇 |
1978年 | 1篇 |
1971年 | 1篇 |
排序方式: 共有74条查询结果,搜索用时 15 毫秒
31.
Abstract In this paper, the generally induced ordered weighted averaging (GIOWA) operator is used to construct the fuzzy evaluating system of the quality of a city's environment including air, water and noise. Based on the part data of air, water and noise of the 13 cities under the jurisdiction of Jiangsu provincial government in 2002, a case study is given. The evaluating results show that the evaluating system of the quality of a city's environment based on the GIOWA operator can reflect the condition of pollution controlled and environmental quality of a city in a period of time. 相似文献
32.
探讨了新疆盐湖资源的利用现状,提出多元化开发盐湖资源的思想,分3个方向利用资源,特别是要大力开发旅游资源。对湖泊旅游的开发模式及未来发展方向进行了总结,并结合新疆目前第一个盐湖旅游资源开发项目——乌鲁木齐达坂城东盐湖生态旅游的开发,分析了新疆盐湖旅游资源开发的优势和劣势,最终提出了盐湖的旅游资源开发模式和4种发展方向。 相似文献
33.
34.
旅游是世界性的"朝阳产业".生态旅游是建立在资源的持续利用基础之上,集旅游、娱乐、教育、生态保护于一体,代表旅游发展方向的新的旅游形式.在认真分析莱芜发展生态旅游的资源优势、区位优势、交通条件和发展现状的基础上,指出发展生态旅游是莱芜旅游业的发展方向,并针对目前存在的制约生态旅游可持续发展的因素,提出莱芜市发展生态旅游要高起点规划设计,加强管理,整合资源,扩大宣传,丰富生态旅游活动的形式和内容,努力打造生态旅游精品景区,形成生态旅游热点等对策措施. 相似文献
35.
论徽州软体文化旅游资源的元价值与生存困境 总被引:1,自引:0,他引:1
首先界定了软体文化旅游资源的概念:即以“非物化”的形式承载并惠及子孙。具有潜在的巨大经济含量,以适当的方式可以开发成旅游产品的文化存在。接着.探讨了软体文化旅游资源在徽州文化旅游开发中的元价值地位。指出软体文化资源是徽州文化旅游产品的灵魂.因而也是其生命周期之长短的决定性因素。在此认识的基础上.文章基于徽州文化旅游资源开发的现状.论述了徽州当前原生性软体文化资源存续的四大困境:生存环境逼仄、文化认同危机、研究与发掘滞后、制度制定不足等问题;最后.提出软体文化资源开发的有关对策:梯度开发、建章立制、去商业化、培养社区情感等。 相似文献
36.
为了更好地保障船舶夜航安全,基于船舶夜航光环境的特殊性和船舶夜航的风险性,构建船舶夜航光环境证据理论评价模型。首先,建立以信号灯误导、眩光干扰、频闪污染、光导致疲劳等4个决策层为基础的船舶夜航光环境评价指标体系;其次,运用C-OWA算子处理专家对指标的决策数据,判断光环境对船舶夜航安全的影响程度;最后,将证据理论模型应用于大连大窑湾港的夜航光环境中。结果表明:该光环境安全性高,对船舶夜航安全的影响小。构建的模型为港口、航道以及其他船舶夜航光环境水域安全评价提供了一定的参考依据。 相似文献
37.
38.
39.
Isabelle Thouvenin Françoise Bouneb 《International journal of occupational safety and ergonomics》2013,19(2):229-239
The efficiency of a working coverall combined with personal protective equipment to protect operators against dermal exposure to plant protection products under field conditions was studied. Operators wore a non-certified water-repellent finish polyester/cotton coverall plus a certified gown during the mixing/loading and the cleaning phases. Insecticide foliar application to a vineyard was selected as the exposure scenario. The overall dermal residue levels measured in this study were in the range of data recently collected in Europe. The water-repellent finish working coverall reduced body exposure by a factor of approximately 95%. Wearing a Category III Type 3 partial body gown during mixing/loading and cleaning of the application equipment led to a further protective effect of 98.7%. The combination of a water-repellent finish working coverall and partial body protection during specific tasks provided satisfactory levels of protection and can be considered as suitable protection for the conditions of use studied. 相似文献
40.
The Fuzzy Synthesizing Evaluation of City''''s Environmental Quality Based on GIOWA Operator:A Case of 13 Cities of Jiangsu Province 总被引:1,自引:0,他引:1
Bai Xianchun Ling Kang & Guo Cunzhi . Institute of Management Science Engineering Jinan University Guangzhou China . Nanjing University of Finance Economics School of Economics Nanjing China 《中国人口.资源与环境(英文版)》2005,(4)
1 INTRODUCTION In China, cities have been undergoing a rapid development in recent years. On the one hand, the level of urbanization rises continuously and a large population gathers in a city. The number and the scale of city increase and enlarge continuously. On the other hand, large population gathering in a city brings a huge pressure to the ecological environment of the city. The environmental pollution of the city is becoming more serious. This is a terrible and heavy cost for city… 相似文献