全文获取类型
收费全文 | 6788篇 |
免费 | 546篇 |
国内免费 | 2167篇 |
专业分类
安全科学 | 485篇 |
废物处理 | 311篇 |
环保管理 | 576篇 |
综合类 | 4226篇 |
基础理论 | 1219篇 |
环境理论 | 1篇 |
污染及防治 | 1584篇 |
评价与监测 | 466篇 |
社会与环境 | 362篇 |
灾害及防治 | 271篇 |
出版年
2024年 | 29篇 |
2023年 | 134篇 |
2022年 | 388篇 |
2021年 | 363篇 |
2020年 | 349篇 |
2019年 | 279篇 |
2018年 | 282篇 |
2017年 | 353篇 |
2016年 | 378篇 |
2015年 | 417篇 |
2014年 | 551篇 |
2013年 | 648篇 |
2012年 | 633篇 |
2011年 | 649篇 |
2010年 | 566篇 |
2009年 | 537篇 |
2008年 | 474篇 |
2007年 | 434篇 |
2006年 | 410篇 |
2005年 | 269篇 |
2004年 | 169篇 |
2003年 | 192篇 |
2002年 | 175篇 |
2001年 | 133篇 |
2000年 | 129篇 |
1999年 | 109篇 |
1998年 | 75篇 |
1997年 | 74篇 |
1996年 | 56篇 |
1995年 | 49篇 |
1994年 | 48篇 |
1993年 | 37篇 |
1992年 | 34篇 |
1991年 | 14篇 |
1990年 | 23篇 |
1989年 | 13篇 |
1988年 | 7篇 |
1987年 | 6篇 |
1986年 | 4篇 |
1985年 | 2篇 |
1984年 | 2篇 |
1982年 | 2篇 |
1981年 | 3篇 |
1958年 | 2篇 |
排序方式: 共有9501条查询结果,搜索用时 156 毫秒
181.
Małgorzata Mędyk Bommanna Loganathan Leszek Bielawski 《Journal of environmental science and health. Part. B》2013,48(12):831-839
AbstractAnalysis of inorganic and organic contaminants in foodstuffs aids in understanding the human exposure to these compounds via consumption. In this study, an edible mushroom species (Leccinum scabrum) and top soil samples were analysed for essential and toxic substances including phosphorus and inorganic elements over a period of three fruiting seasons. Analysis of silver (Ag), aluminium (Al), barium (Ba), calcium (Ca), cadmium (Cd), cobalt (Co), copper (Cu), iron (Fe), mercury (Hg), potassium (K), magnesium (Mg), manganese (Mn), sodium (Na), nickel (Ni), phosphorus (P), lead (Pb), rubidium (Rb), strontium (Sr) and zinc (Zn) in mushrooms and topsoil were performed using inductively coupled plasma optical emission spectroscopy (ICP-OES) with ultrasonic cross flow nebulizer. Total mercury was determined by cold-vapour atomic absorption spectroscopy (CV-AAS). The results exhibited wide variation in concentrations of metals between soil and mushroom (cap and stipes) during three fruiting seasons. Positive bioconcentration factors (BFCs) indicate on bioaccumulation of several metals including, Cd, Cu, Hg, K, Mg, Na, P, Rb and Zn in caps and stipes of fruitbodies of this mushroom, while other metals such as Al, Ba, Ca, Co, Fe, Mn, Ni, Pb and Sr were not exhibiting significant positive BFCs. Over a period studied, the caps were characterised by different (p?<?0.05) concentrations of Al, Co, Cu, Hg, Mn, Ni, P, Pb and Sr. Contamination profiles, temporal fluctuations, BCFs should be taken into consideration when assessing the nutritional value of this mushroom. 相似文献
182.
Luo Yang Wu Yinghong Ma Shuhua Zheng Shili Zhang Yi Chu Paul K. 《Environmental science and pollution research international》2021,28(15):18727-18740
Environmental Science and Pollution Research - The rapid economic development in China places a large demand for energy, and as a result, thermal power plants in China are producing an enormous... 相似文献
183.
Hu Xiaobing Wang Kun Chang Jing Zhang Lin Zhong Meiying Nie Yong 《Environmental science and pollution research international》2021,28(14):17084-17097
Environmental Science and Pollution Research - Microfaunal identification and analysis are very complex; thus, an image analysis method was utilized in this paper to overcome the shortcomings of... 相似文献
184.
Rehman Abdul Ma Hengyun Chishti Muhammad Zubair Ozturk Ilhan Irfan Muhammad Ahmad Munir 《Environmental science and pollution research international》2021,28(14):17319-17330
Environmental Science and Pollution Research - The accelerated urbanization in China was already coupled with a steadily increasing demand for energy usage. The present study major aim was to... 相似文献
185.
Geochemistry of heavy metal-contaminated sediments from the Four River inlets of Dongting lake,China
Fang Xiaohong Peng Bo Song Zhaoliang Wu Sicheng Chen Danting Zhao Yafang Liu Jing Dai Yanan Tu Xianglin 《Environmental science and pollution research international》2021,28(22):27593-27613
Environmental Science and Pollution Research - The concentrations of major and trace elements in the sediments from the Four River inlets of Dongting Lake were analysed. The results show that the... 相似文献
186.
Xia Chengcheng Liu Guodong Zhou Jing Meng Yuchuan Chen Ke Gu Pengfei Yang Mengxi Huang Xiaohua Mei Jie 《Environmental science and pollution research international》2021,28(30):40160-40177
Environmental Science and Pollution Research - In recent years, the development and utilization of water resources have imposed great impacts on hydrological characteristics and ecological... 相似文献
187.
Zhang Xue Cui Chunyue Zheng Qingzhu Wang Ying Chang Jing Wang Shuxian 《Environmental science and pollution research international》2021,28(28):37424-37434
Environmental Science and Pollution Research - Nitrogen-doped carbon nanotubes (N-CNTs) were synthesized via a hydrothermal method and further modified with magnetic Co0.5Cu0.5Fe2O4 nanoparticles... 相似文献
188.
Yan Xingcheng Ma Jie Li Zhichun Ji Ming Xu Jie Xu Xiaoguang Wang Guoxiang Li Yunmei 《Environmental science and pollution research international》2021,28(9):10967-10976
Environmental Science and Pollution Research - Inland freshwater lakes have been widely considered as significant sources of CO2 to the atmosphere. However, long-term measurements of CO2 dynamics... 相似文献
189.
Chen Guifang Sun Xiaofei Feng Yunqi Song Zhanlong Cui Lin Mao Yanpeng Ma Chunyuan Chen Shouyan 《Environmental science and pollution research international》2021,28(6):6664-6674
Environmental Science and Pollution Research - Mechanical vapor compression and multi-effect evaporation have been widely used in achieving zero discharge of desulfurization wastewater as they are... 相似文献
190.
Determination of phthalates in particulate matter and gaseous phase emitted in indoor air of offices
Szewczyńska Małgorzata Dobrzyńska Elżbieta Pośniak Małgorzata 《Environmental science and pollution research international》2021,28(42):59319-59327
Environmental Science and Pollution Research - Phthalate esters (PAEs) are endocrine disrupters and can disrupt the functioning of different hormones, causing adverse effects on human health. Due... 相似文献