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排序方式: 共有422条查询结果,搜索用时 156 毫秒
81.
Nguyen Quoc Hung Tran Anh T. K. Hoang Nhung T. T. Tran Yen T. H. Nguyen Phu X. Pham Thi Thuy Nguyen Manh Khai Van der Bruggen Bart 《Environmental science and pollution research international》2022,29(28):42074-42089
Environmental Science and Pollution Research - Single-use plastic waste is gradually considered a potential material for circular economy. Ion exchange resin obtained from polystyrene waste by... 相似文献
82.
Van Thinh Nguyen Chung Nguyen Thuy Luong Ly Thi Mai Chinh Pham Minh Anh Phan Phuong Huy Nguyen The Thuy Dang Thi Thai Phong K. 《Environmental science and pollution research international》2022,29(28):42055-42066
Environmental Science and Pollution Research - Industrial sludges from wastewater treatment plants of industrial parks and a drinking water treatment plant in northern Vietnam were investigated in... 相似文献
83.
Bui Long Ta Nguyen Phong Hoang Nguyen Duyen Chau My 《Environmental science and pollution research international》2022,29(28):41886-41908
Environmental Science and Pollution Research - Vietnam has been one of the nations strongly affected by climate change; hence, finding and promoting solutions in order to adapt and proactively... 相似文献
84.
Rani Lata Srivastav Arun Lal Kaushal Jyotsna Nguyen Xuan Cuong 《Environmental science and pollution research international》2022,29(42):62851-62869
Environmental Science and Pollution Research - “Water” contamination by mercury Hg(II) has become the biggest concern due to its severe toxicities on public health. There are different... 相似文献
85.
Nguyen Vien Truong Doan Quang-Van Tran Ngoc Nguyen Luong Ly Thi Mai Chinh Pham Minh Thai Phong K. Phung Dung Le Hong H. T. C. Dang Tran Ngoc 《Environmental science and pollution research international》2022,29(49):74197-74207
Environmental Science and Pollution Research - Combined effects of global warming and rapid urbanization replace green spaces with urban facilities. Children in urban areas are at a higher risk of... 相似文献
86.
The 2011 flood event in the Mekong Delta: preparedness,response, damage and recovery of private households and small businesses
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Floods frequently cause substantial economic and human losses, particularly in developing countries. For the development of sound flood risk management schemes that reduce flood consequences, detailed insights into the different components of the flood risk management cycle, such as preparedness, response, flood impact analyses and recovery, are needed. However, such detailed insights are often lacking: commonly, only (aggregated) data on direct flood damage are available. Other damage categories such as losses owing to the disruption of production processes are usually not considered, resulting in incomplete risk assessments and possibly inappropriate recommendations for risk management. In this paper, data from 858 face‐to‐face interviews among flood‐prone households and small businesses in Can Tho city in the Vietnamese Mekong Delta are presented to gain better insights into the damage caused by the 2011 flood event and its management by households and businesses. 相似文献
87.
Ikemoto T Tu NP Watanabe MX Okuda N Omori K Tanabe S Tuyen BC Takeuchi I 《Chemosphere》2008,72(1):104-114
The present study elucidated the biomagnification profiles of persistent organic pollutants (POPs) through a tropical aquatic food web of Vietnam based on trophic characterization using stable nitrogen analysis. Various biological samples collected from the main stream of the Mekong Delta were provided for the analysis for both POPs, and stable nitrogen and carbon isotope ratios. Of the POPs analyzed, dichlorodiphenyltrichloroethane and its metabolites (DDTs) were the predominant contaminants with concentrations ranging from 0.058 to 12 ng/g wet weight, followed by polychlorinated biphenyls (PCBs) at 0.017-8.9 ng/g, chlordane compounds (CHLs) at 0.0043-0.76 ng/g, tris-4-chlorophenyl methane (TCPMe) at N.D.-0.26 ng/g, hexachlorocyclohexane isomers (HCHs) at N.D.-0.20 ng/g and hexachlorobenzene (HCB) at 0.0021-0.096 ng/g. Significant positive increases of concentrations in DDTs, CHLs, and TCPMe against the stable nitrogen ratio (delta(15)N) were detected, while, concentrations of HCHs and HCB showed no significant increase. The slopes of the regression equations between the log-transformed concentrations of these POPs and delta(15)N were used as indices of biomagnification. The slopes of the POPs for which positive biomagnification was detected ranged from 0.149 to 0.177 on a wet weight basis. The slopes of DDTs and CHLs were less than those reported for a marine food web of the Arctic Ocean, indicating that less biomagnification had occurred in the tropical food web. Of the isomers of CHLs, unlike the studies of the Arctic Ocean, oxychlordane did not undergo significant biomagnification through the food web of the Mekong Delta. This difference is considered to be due to a lack of marine mammals, which might metabolize cis- and trans-chlordane to oxychlordane, in the Mekong Delta ecosystem. The biomagnification profile of TCPMe is reported for the first time in the present study. 相似文献
88.
89.
Comprehensive temperature monitoring in an in-vessel forced-aeration static-bed composting process 总被引:6,自引:0,他引:6
Masafumi Tateda Le Duc Trung Nguyen Viet Hung Michihiko Ike Masanori Fujita 《Journal of Material Cycles and Waste Management》2002,4(1):62-69
Comprehensive temperature monitoring was done in an in-vessel forced-aeration static-bed composting process using sewage sludge.
The three layers that divided the compost pile horizontally showed different temperature distributions. The temperature of
the top layer appeared not to be influenced by the ambient temperature. The temperature of the center area of the top layer
was taken to be the representative temperature for evaluating composting start-up performance. The temperature of the bottom
layer was strongly influenced by the ambient temperature, and the temperature of the center area of the bottom layer was taken
to be the representative temperature for pathogen control as it was the minimum temperature in the reactor. Composting start-up
performance was influenced by several factors when the ambient temperature was either below or above 20°C. When the ambient
temperature was below 20°C, the time taken to reach 65°C (T
65) was influenced by the temperature of inflowing air, but when the temperature was higher than 20°C, it was influenced by
the ratio of sewage sludge to seed compost (F/S). T
65 was least when F/S was 1–2.
Received: January 9, 2001 / Accepted: October 10, 2001 相似文献
90.
Sorption of biodegradation end products of nonylphenol polyethoxylates onto activated sludge 总被引:3,自引:1,他引:3
Nguyen Viet Hung Masafumi Tate Michihiko Ike Masanori Fujit Shinji Tsunoi Minoru Tanaka 《环境科学学报(英文版)》2004,16(4):564-569
IntroductionRecently ,nonylphenolpolyethoxylates (NPnEO (n :numberofethoxyunits(EOs) )havebecomeaproblematicissueforthereasonthatthesecompounds,animportantgroupofnonionicsurfactants ,havebeenusedwidelyinvariousindustriesasflocculants,dispersants,emulsifie… 相似文献