全文获取类型
收费全文 | 2008篇 |
免费 | 44篇 |
国内免费 | 36篇 |
专业分类
安全科学 | 67篇 |
废物处理 | 128篇 |
环保管理 | 185篇 |
综合类 | 361篇 |
基础理论 | 373篇 |
环境理论 | 2篇 |
污染及防治 | 580篇 |
评价与监测 | 235篇 |
社会与环境 | 133篇 |
灾害及防治 | 24篇 |
出版年
2023年 | 25篇 |
2022年 | 75篇 |
2021年 | 92篇 |
2020年 | 47篇 |
2019年 | 40篇 |
2018年 | 85篇 |
2017年 | 83篇 |
2016年 | 88篇 |
2015年 | 60篇 |
2014年 | 109篇 |
2013年 | 155篇 |
2012年 | 86篇 |
2011年 | 120篇 |
2010年 | 85篇 |
2009年 | 95篇 |
2008年 | 100篇 |
2007年 | 91篇 |
2006年 | 63篇 |
2005年 | 73篇 |
2004年 | 72篇 |
2003年 | 75篇 |
2002年 | 63篇 |
2001年 | 63篇 |
2000年 | 33篇 |
1999年 | 27篇 |
1998年 | 18篇 |
1997年 | 12篇 |
1996年 | 7篇 |
1995年 | 13篇 |
1994年 | 12篇 |
1993年 | 14篇 |
1992年 | 16篇 |
1991年 | 3篇 |
1990年 | 4篇 |
1989年 | 6篇 |
1988年 | 6篇 |
1987年 | 2篇 |
1986年 | 5篇 |
1985年 | 9篇 |
1984年 | 4篇 |
1983年 | 8篇 |
1982年 | 8篇 |
1981年 | 5篇 |
1980年 | 2篇 |
1979年 | 3篇 |
1978年 | 2篇 |
1976年 | 2篇 |
1970年 | 2篇 |
1962年 | 5篇 |
1961年 | 2篇 |
排序方式: 共有2088条查询结果,搜索用时 15 毫秒
101.
102.
Christopher De Sousa 《Journal of Environmental Planning and Management》2000,43(6):831-853
This paper examines the nature of the economic costs and risks involved in brownfield versus greenfield redevelopment in the Greater Toronto Area (Ontario, Canada) from a private sector perspective, and assesses the potential effectiveness of different policies and programmes designed to attenuate associated costs and risks. Through interviews, case-studies and an analysis of hypothetical development scenarios, it has been found that the perception that brownfield redevelopment is less cost-effective and entails greater risks than greenfield development, on the part of the private sector, is true for industrial projects in the province, but not for residential ones, which were found to be feasible, given the assumptions of the present study. Furthermore, the study has found that the attractiveness of residential brownfield projects can increase considerably with minor policy changes, but that promoting industrial redevelopment will require a more vigorous approach that employs a variety of environmental policy and economic development measures. 相似文献
103.
Francesca R. Grati Denise Molina Gomes Devika Ganesamoorthy Livia Marcato Simona De Toffol Eleonore Blondeel Francesca Malvestiti Laurence Loeuillet Anna Maria Ruggeri Robert Wainer Federico Maggi Azzedine Aboura Celine Dupont Anne Claude Tabet Fabien Guimiot Howard R. Slater Giuseppe Simoni François Vialard 《黑龙江环境通报》2013,33(1):32-41
104.
105.
G. Langhendries D. E. De Vos B. F. Sels I. Vankelecom P. A. Jacobs G. V. Baron 《Clean Products and Processes》1998,1(1):21-29
Liquid phase hydrocarbon oxidation is one of the principal routes towards industrial organic chemicals. However, low product
selectivity and associated by-product formation are major problems in several oxidation processes. As a result of the increasingly
stringent environmental regulations, the development of oxidation catalysts has been a major challenge in the last decade.
An overview of novel selective and clean oxidation catalysts and processes is presented.
Received: 27 July 1998 / Accepted: 8 September 1998 相似文献
106.
107.
Francesca R. Grati Francesca Malvestiti Beatrice Grimi Elisa Gaetani Anna Maria Di Meco Anna Trotta Rosaria Liuti Sara Chinetti Francesca Dulcetti Anna Maria Ruggeri Cristina Agrati Giuditta Frascoli Silvia Milani Simona De Toffol Lorenza Martinoni Silvia Paganini Livia Marcato Federico Maggi Giuseppe Simoni 《黑龙江环境通报》2013,33(5):502-508
108.
This paper is concerned with the sustainable development of a self-drive tourist destination in the remote region in Northern
Australia. It first compares officially used data on visitor profiles to the information collected in the survey. Differences
between data collected and available secondary data imply that tourism planning should include collection of region-specific
tourism information to guide and mitigate potential environmental changes. Natural landscape features are the key attraction
for visitors to the region. Visitor satisfaction levels with the current state of the destination are high. However, local
residents reported perceived negative impacts of tourism, in particular on amenities and the ecology of the landscape. Visitors
also reported behavior that might contribute to environmental impacts. Implications of the findings, in the context of future
destination planning, are discussed. 相似文献
109.
110.
Joke Muys Bettina Blaumeiser Yves Jacquemyn Claude Bandelier Nathalie Brison Saskia Bulk Patrizia Chiarappa Winnie Courtens Anne De Leener Marjan De Rademaeker Julie Désir Anne Destrée Koenraad Devriendt Annelies Dheedene Annelies Fieuw Erik Fransen Jean-Stéphane Gatot Philip Holmgren Mauricette Jamar Sandra Janssens Kathelijn Keymolen Damien Lederer Björn Menten Marije Meuwissen Benoit Parmentier Bruno Pichon Sonia Rombout Yves Sznajer Ann Van Den Bogaert Kris Van Den Bogaert Olivier Vanakker Joris Vermeesch Katrien Janssens 《黑龙江环境通报》2018,38(13):1120-1128