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排序方式: 共有738条查询结果,搜索用时 31 毫秒
731.
Yuan Liang Chen Yuying He Weijun Kong Yang Wu Xia Degefu Dagmawi Mulugeta Ramsey Thomas Stephen 《Environmental science and pollution research international》2022,29(46):69753-69770
Environmental Science and Pollution Research - Under the background that China puts forth the goals of “Emission Peak” and “Carbon Neutrality”, heavily polluting... 相似文献
732.
Zhao Xu Yi Ping Xia Jingjing He Weijun Gao Xin 《Environmental science and pollution research international》2022,29(18):26549-26563
Environmental Science and Pollution Research - The Three Gorges Reservoir area (TGRA) has complex geological conditions and a fragile ecological environment. The construction of the Three Gorges... 相似文献
733.
Guan Lingliang Yang YuXia Jiang Pan Mou Qiuyu Gou Yunsha Zhu Xueyan Xu Y. Wen Wang Rulin 《Environmental science and pollution research international》2022,29(29):44003-44019
Environmental Science and Pollution Research - Blumea balsamifera is a famous Chinese Minority Medicine, which has a long history in Miao, Li, Zhuang, and other minority areas. In recent years, due... 相似文献
734.
Manganese ion (Mn2+) generated from metallurgical, steel making and chemical industries enters sewage treatment plants and affects the sludge activity and flocculation. The effect of Mn2+ on the removal of chemical oxygen demand (COD) and total phosphorus (TP) and sludge activity were investigated in anoxic zone of an anaerobic/anoxic/oxic (A2O) process. The compositions and structures of extracellular polymeric substances (EPS) were characterized using three-dimensional excitation emission matrix fluorescence spectroscopy (3D-EEM), X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FTIR) to reveal the relationship among Mn2+, EPS and sludge flocculation.The results showed that low concentration of Mn2+ (<5 mg/L) improved removal efficiencies of COD and TP and increased the activity of alkaline phosphatase, acid phosphatase and dehydrogenase. Meanwhile, the addition of Mn2+ increased total EPS, sludge contact angle, Zeta potential and sludge particle size, and thus enhanced sludge flocculation. However, high concentration of Mn2+ (>10 mg/L) hindered microbial flocculation and reduced removal efficiencies of the pollutants. When Mn2+was 5 mg/L, removal efficiencies of COD and TP reached 65% and 90%, respectively. Sludge flocculation was the best and SVI was 70.56 mL/g. The changes of Mn2+ concentration caused deviation of groups’ compositions in LB-EPS and TB-EPS, where the main components were always protein (PN) and polysaccharide (PS). The addition of Mn2+ resulted in the degradation of humic acids. However, it did not give rise to significant morphology changes of EPS. 相似文献
735.
Xie Yong Zuo Qingsong Guan Qingwu Wei Kexiang Zhang Bin 《Environmental science and pollution research international》2022,29(17):25029-25045
Environmental Science and Pollution Research - Improving the NOx conversion efficiency and particulate combustion efficiency under cold-start conditions (low-temperature conditions) is still the... 相似文献
736.
Huang Yu-Qi Zeng Yuan Wang Tao Chen She-Jun Guan Yu-Feng Mai Bi-Xian 《Environmental science and pollution research international》2022,29(25):37737-37747
Environmental Science and Pollution Research - Plasticizers are ubiquitous pollutants in the environment, whereas few efforts have been made to elucidate their emission sources in the atmosphere.... 相似文献
737.
Liu Anchen Lin Wenting Ping Senwen Guan Wenqi Hu Ningyi Zheng Sichun Ren Yuan 《Environmental science and pollution research international》2022,29(29):43984-44002
Environmental Science and Pollution Research - Antihistamines (ANTs) are medicines to treat allergic diseases. They have been frequently detected in the natural water environment, posing potential... 相似文献
738.
Basit Farwa Liu Jiaxin An Jianyu Chen Min He Can Zhu Xiaobo Li Zhan Hu Jin Guan Yajing 《Environmental science and pollution research international》2022,29(7):10183-10197
Environmental Science and Pollution Research - Brassinosteroids (BRs) are growth-promoting hormones that exhibit high biological activities across various plant species. BRs shield plants against... 相似文献