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排序方式: 共有137条查询结果,搜索用时 15 毫秒
81.
Baowen Lou Diego Maria Barbieri Marco Passavanti Cang Hui Akshay Gupta Inge Hoff Daniela Antunes Lessa Gaurav Sikka Kevin Chang Kevin Fang Louisa Lam Brij Maharaj Navid Ghasemi Yaning Qiao Solomon Adomako Ali Foroutan Mirhosseini Bhaven Naik Arunabha Banerjee Fusong Wang Andrew Tucker Zhuangzhuang Liu Kasun Wijayaratna Sahra Naseri Lei Yu Hao Chen Benan Shu Shubham Goswami Prince Peprah Amir Hessami Montasir Abbas Nithin Agarwal 《Ambio》2022,51(3):531
As largely documented in the literature, the stark restrictions enforced worldwide in 2020 to curb the COVID-19 pandemic also curtailed the production of air pollutants to some extent. This study investigates the perception of the air pollution as assessed by individuals located in ten countries: Australia, Brazil, China, Ghana, India, Iran, Italy, Norway, South Africa and the USA. The perceptions towards air quality were evaluated by employing an online survey administered in May 2020. Participants (N = 9394) in the ten countries expressed their opinions according to a Likert-scale response. A reduction in pollutant concentration was clearly perceived, albeit to a different extent, by all populations. The survey participants located in India and Italy perceived the largest drop in the air pollution concentration; conversely, the smallest variation was perceived among Chinese and Norwegian respondents. Among all the demographic indicators considered, only gender proved to be statistically significant.Supplementary InformationThe online version contains supplementary material available at 10.1007/s13280-021-01574-2. 相似文献
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Radhakrishnan Rokesh Banerjee Sanjukta Banerjee Srijoni Singh Vaishali Das Debabrata 《Journal of Material Cycles and Waste Management》2021,23(2):790-803
Journal of Material Cycles and Waste Management - Dwindling fossil fuels, and the rise in energy demand have urged us to explore alternative renewable energy forms. An integrated process of dark... 相似文献
85.
Surface soil samples collected from a Pb and Zn mining area in India were subjected to multi-elemental analysis by using inductively coupled plasma-atomic emission spectrometry. Multivariate statistical methods such as principal component analysis and cluster analysis, coupled with correlation coefficient analysis, were used to analyze the data and to apportion the possible sources of elements in soils of a metal mining area. Soils in this area have elevated heavy metal concentrations especially Pb, Zn, Mn, Cu, As, and Tl. Using principal component (PC) analysis, six components were extracted, out of which two PCs explaining 50.12% of total variance are more important. The first principal component with a high contribution of Ag, As, Be, Cd, Co, Cu, Mg, Mn, Ni, Pb, and Zn was deemed to be technogenic/anthropogenic component, and the second principal component, with high loadings for the five discerning variables (Al, Be, Cr, K, Li), was considered as lithogenic component. The third component having strong loadings of Ba, Ca, K, and Na is supposed to have a mixed origin (lithogenic as well as technogenic). Electrical conductivity and total organic matter were not correlated with any element and also have a strong loading in the fifth component which is probably the biomass and ions present in these soils. The findings of the principal component analysis were also substantiated by the cluster analysis. The present study would not only enhance our knowledge regarding the soil pollution status in the study area but would also provide us information to manage the sources of these elements in the study area. 相似文献
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Saurabh Swami Raunaq Muzammil Supradip Saha Ahammed Shabeer Dasharath Oulkar Kaushik Banerjee Shashi Bala Singh 《Environmental monitoring and assessment》2016,188(5):301
Ozonated water dip technique was evaluated for the detoxification of six pesticides, i.e., chlorpyrifos, cypermethrin, azoxystrobin, hexaconazole, methyl parathion, and chlorothalonil from apple fruits. Results revealed that ozonation was better than washing alone. Ozonation for 15 min decreased residues of the test pesticides in the range of from 26.91 to 73.58%, while ozonation for 30 min could remove the pesticide residues by 39.39–95.14 % compared to 19.05–72.80 % by washing. Cypermethrin was the least removed pesticide by washing as well as by ozonation. Chlorothalonil, chlorpyrifos, and azoxystrobin were removed up to 71.45–95.14 % in a 30-min ozonation period. In case of methyl parathion removal, no extra advantage could be obtained by ozonation. The HPLC analysis indicated that ozonation also affected adversely the ascorbic acid and cyanidin-3-glucoside content of apples. However, 11 polyphenols studied showed a mixed trend. Gallic acid, 3,4-dihydroxybenzoic acid, catechin, epicatechin, p-coumaric acid, quercetin-3-O-glucoside, quercetin, and kaempferol were found to decrease while syringic acid, rutin, and resveratrol were found to increase in 30-min ozonation. 相似文献
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Prasenjit Sarkhel Sarmila Banerjee Somdutta Banerjee 《Environment, Development and Sustainability》2016,18(2):481-498
This paper identifies the factors that influence perception of program benefit of the recipients when a hypothetical public program is implemented in reality. We compare pre- and post-program Willingness to pay (WTP) estimates for improved waste management in Bally Municipality, India, and find that post-program predicted WTP falls by more than 50 % even when if there are substantial improvements in urban environment. We show that this can be explained by the relative strength of leisure cost of effort to participate in the waste management program vis-à-vis the benefit derived from cleaner environment. Our study shows that mismatch between expected and offered service attributes might be a source of disutility and could also dampen households’ perceived value of the program benefits. In such cases, the reduction in WTP might act as an indication of the local bodies regarding the scale of outreach and expansion of the program needed to finance the operation and maintenance expenses by supplementing the property tax bases through user fees. 相似文献
90.
Rakesh Kumar Ghosh Zareen S. Khan C. V. N. Rao Kaushik Banerjee D. Damodar Reddy T. G. K. Murthy Nalli Johnson Deb Prasad Ray 《Environmental monitoring and assessment》2014,186(8):5069-5075
Presence of pesticide residues in tobacco increases health risk of both active and passive smokers, apart from the imminent potential health problems associated with it. Thus, monitoring of pesticide residue is an important issue in terms of formulating stringent policies, enabling global trade and safeguarding the consumer’s safety. In this study, a gas chromatography-single quadrupole mass spectrometry (GC-MS) method based upon quantifier-qualifier ions (m/z) ratio was employed for detecting and assessing ten organochlorine pesticide residues (α-HCH, β-HCH, γ-HCH, δ-HCH, 2,4-DDT, 4,4-DDT, endrin, α-endosulfan, β-endosulfan and endosulfan sulphate) in 152 flue-cured (FC) tobacco leave samples from two major tobacco growing states, Karnataka and Andhra Pradesh, of India. In the majority of samples, pesticide residue levels were below the limit of quantification (LOQ). In few samples, pesticide residues were detected and they found to comply with the guidance residue levels (GRL) specifications of the Cooperation Center for Scientific Research Relative to Tobacco (CORESTA). Detection of the phase out pesticides like DDT/HCH might be due to transfer of persistent residues from the environmental components to the plant. This is the first report on these ten organochlorine pesticide residues in Indian FC tobacco. 相似文献