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   12496篇
  免费   543篇
  国内免费   4520篇
安全科学   832篇
废物处理   807篇
环保管理   934篇
综合类   6977篇
基础理论   2076篇
环境理论   6篇
污染及防治   4447篇
评价与监测   471篇
社会与环境   434篇
灾害及防治   575篇
  2024年   3篇
  2023年   199篇
  2022年   590篇
  2021年   493篇
  2020年   376篇
  2019年   368篇
  2018年   490篇
  2017年   568篇
  2016年   528篇
  2015年   716篇
  2014年   985篇
  2013年   1289篇
  2012年   1035篇
  2011年   1210篇
  2010年   868篇
  2009年   858篇
  2008年   901篇
  2007年   705篇
  2006年   661篇
  2005年   484篇
  2004年   352篇
  2003年   445篇
  2002年   385篇
  2001年   313篇
  2000年   344篇
  1999年   402篇
  1998年   330篇
  1997年   311篇
  1996年   298篇
  1995年   260篇
  1994年   179篇
  1993年   159篇
  1992年   113篇
  1991年   94篇
  1990年   64篇
  1989年   54篇
  1988年   44篇
  1987年   19篇
  1986年   22篇
  1985年   11篇
  1984年   11篇
  1983年   10篇
  1982年   10篇
  1981年   2篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
Environmental Science and Pollution Research - As a major source of pollution and the cause of climate change, greenhouse gas emissions are attracting the attention of scholars, policymakers, and...  相似文献   
2.
Environmental Science and Pollution Research - Due to the merits of their high adsorption and convenient separation, magnetic graphene-based composites have become a promising adsorbent in terms of...  相似文献   
3.
Environmental Science and Pollution Research - As one of the most important nutrients for plant growth, phosphorus was often poorly available in soil. While biochar addition induced improvement of...  相似文献   
4.
Zhu  Rong  Wang  Shixin  Srinivasakannan  C.  Li  Shiwei  Yin  Shaohua  Zhang  Libo  Jiang  Xiaobin  Zhou  Guoli  Zhang  Ning 《Environmental Chemistry Letters》2023,21(3):1611-1626
Environmental Chemistry Letters - The demand for lithium is growing rapidly with the increase in electric vehicles, batteries and electronic equipments. Lithium can be extracted from brines, yet...  相似文献   
5.
Environmental Science and Pollution Research - In this study, Mn-doped MgAl-layered double hydroxides (LDHs) were successfully synthesized for efficient removal arsenate from aqueous solution. The...  相似文献   
6.

A process combining catalyzed Fe(0)-carbon microelectrolysis (IC-ME) with activated carbon (AC) adsorption was developed for advanced reclaimed water treatment. Simultaneous nitrate reduction and chemical oxygen demand (COD) removal were achieved, and the effects of composite catalyst (CC) addition, AC addition, and initial pH were investigated. The reaction kinetics and reaction mechanisms were calculated and analyzed. The results showed that CC addition could enhance the reduction rate of nitrate and effectively inhibit the production of ammonia. Moreover, AC addition increased the adsorption capacity of biorefractory organic compounds (BROs) and enhanced the degradation of BRO. The reduction of NO3?–N at different pH values was consistently greater than 96.9%, and NH4+–N was suppressed by high pH. The presence of CC ensured the reaction rate of IC-ME at high pH. The reaction kinetics orders and constants were calculated. Catalyzed iron scrap (IS)-AC showed much better nitrate reduction and BRO degradation performances than IS-AC and AC. The IC-ME showed great potential for application to nitrate and BRO reduction in reclaimed water.

  相似文献   
7.
Environmental Science and Pollution Research - The current study investigated the influence of organic amendments on cadmium (Cd) uptake and its effects on biochemical attributes of young and old...  相似文献   
8.
Ma  Huimin  Di  Danyang  Li  Lin  Zhang  Wei  Wang  Jianmei 《Environmental geochemistry and health》2022,44(9):2905-2918
Environmental Geochemistry and Health - Effective supply of environmental public services (EPS) is important to guarantee the mitigation of residential pollution exposure risk. This study analyzes...  相似文献   
9.
Chang  Xiaoqiang  Chen  Xingyu  Zhang  Shuaichen  Lu  Sixian  Zhao  Yifan  Zhang  Dong  Yang  Lan  Ma  Yue  Sun  Peng 《Environmental Chemistry Letters》2023,21(2):681-687
Environmental Chemistry Letters - Branched allylic sulfones are scaffolds widely distributed in bioactive molecules and organic functional materials. The synthesis of allylic sulfones has been...  相似文献   
10.
Luo  Dan  Wang  Luyao  Nan  Hongyan  Cao  Yijun  Wang  Hui  Kumar  Thakur Vijay  Wang  Chongqing 《Environmental Chemistry Letters》2023,21(1):497-524
Environmental Chemistry Letters - Phosphorus is essential element for agricultural production, yet phosphorus ore resources are non-renewable and become depleted. Moreover, phosphate release from...  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