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排序方式: 共有90条查询结果,搜索用时 31 毫秒
41.
Shahid Muhammad Nadeem Muhammad Bakhat Hafiz Faiq 《Environmental science and pollution research international》2020,27(32):39671-39675
Environmental Science and Pollution Research - 相似文献
42.
Natasha Shahid Muhammad Khalid Sana Saleem Mazhar 《Environmental geochemistry and health》2022,44(2):487-496
Environmental Geochemistry and Health - Arsenic (As) and lead (Pb) are highly toxic and carcinogenic metal(loid)s. The present study evaluated the human exposure risk via estimating As and Pb... 相似文献
43.
Rauf Abdur Shariati Mohammad Ali Imran Muhammad Bashir Kashif Khan Shahid Ali Mitra Saikat Emran Talha Bin Badalova Kamala Uddin Md. Sahab Mubarak Mohammad S. Aljohani Abdullah S. M. Alhumaydhi Fahad A. Derkho Marina Korpayev Serdar Zengin Gokhan 《Environmental science and pollution research international》2022,29(21):31025-31041
Environmental Science and Pollution Research - Though the incidence of several cancers in Western societies is regulated wisely, some cancers such as breast, lung, and colorectal cancer are... 相似文献
44.
Hassan Muhammad Shahid Mahmood Haider Javaid Anam 《Environmental science and pollution research international》2022,29(30):45204-45220
Environmental Science and Pollution Research - Energy plays a vital role in promoting sustainable economic development in complex societies. This study has analyzed the impact of electricity... 相似文献
45.
Cypermethrin is a synthetic pyrethroid insecticide used for pest control in agriculture and as an acaricide in man and animals. This study was undertaken with the objective to investigate the propensity of cypermethrin to induce oxidative stress in rats following repetitive dermal exposure and its possible attenuation by L-ascorbic acid. Results obtained showed that cypermethrin significantly (p < 0.05) increased malonaldehyde levels, activity of catalase in rat erythrocytes and plasma protein levels. Whereas, activities of glutathione (GSH), glutathione peroxidase (GSH-Px), and superoxide dismutase (SOD) were significantly (p < 0.05) reduced in the cypermethrin exposed rats as compared to the control. Supplementation of L-ascorbic acid in cypermethrin-exposed rats decreased lipid peroxidation of erythrocytes, total plasma protein and catalase activity significantly (p < 0.05) compared to non-cypermethrin-exposed group. However, L-ascorbic acid did not alleviate the negative effects of cypermethrin on the activities of SOD and GSH. This study revealed that the presence of L-ascorbic acid diminishes the adverse effects of cypermethrin on some oxidative stress parameters. 相似文献
46.
The levels of dichlorodiphenyltrichloroethane (DDT), dichlorodiphenyldichloroethylene (DDE), endosulfan, endosulfan sulfate, carbofuran, and cartap were determined in muscles of Cyprinus Carpio sampled from 10 different sites of River Ravi between Shahdara to Balloki Headworks to assess level of contamination of these pesticides by GC-ECD (gas chromatograph equipped with electron capture detector) method. All fish samples were found contaminated with different concentrations of DDT, DDE, endosulfan, and carbofuran. DDT and DDE concentrations were higher than maximum residue limits (MRL) in food standards, while endosulfan sulfate and cartap were not detected. These findings indicate that pesticide concentrations in fish muscles decreased in the order: DDT > DDE > carbofuran > endosulfan. Furthermore, the sampling sites after Degh fall and beyond Hudiara Nulla Fall river sampling sites were more polluted. It is proposed that constant monitoring programs are needed to assess potential exposure risks. 相似文献
47.
Muhammad Kashif Shahid Yunjung Kim Young-Gyun Choi 《Frontiers of Environmental Science & Engineering》2019,13(5):71
48.
Wang Xiao-jun Zhang Jian-yun Shamsuddin Shahid Amgad ElMahdi He Rui-min Bao Zhen-xin Mahtab Ali 《Mitigation and Adaptation Strategies for Global Change》2012,17(8):923-937
Water Scarcity and drought are recurrent phenomena in China. In the context of environmental change, an increasing tendency in drought frequency and severity is observed in China in recent years. Therefore, it is imperative to take necessary initiatives to reduce the impacts of drought. In this paper, an attempt is made to identify the best water management strategies to cope with droughts. For this objective the records of historical droughts and their impacts in China over the period of 1950?C2009 are analyzed. It is observed that the drought affected area has increased nearly by 12 folds and the drought damaged area has increased by about 22 times in China in last 60?years. Over 87,000 reservoirs were built with a total water storage capacity of about 7,064 billion m3 to cope with droughts. However, this structural supply-based management strategy was not enough to meet the increasing water demand caused by rapid economic development and population growth. A typical relationship between socio-economic development and water resources management strategy to attain sustainability in water management is developed in this study. The relationship shows that the demand-side water management strategies can be the best option to meet the challenges posed by increased severity of drought, population growth, economic development and possible climate change. The concept is later verified through the analysis of changing pattern of water consumptions by different sectors in last 60?years. 相似文献
49.
50.
Shahid Suddle 《Safety Science》2009,47(5):668-679
Safety and risk assessment are characterised by aspects, like subjectivity and objectivity. In this paper, relations between safety and risk are described. When a risk analysis is performed, it is important to realise that decision-making about risks is very complex, and not only technical aspects but also economical, environmental, comfort related, political, psychological and societal acceptance are aspects that play an important role. In order to balance safety measures with aspects, such as environmental, quality, and economical aspects, a weighted risk analysis methodology is proposed in this paper. This paper also provides a theoretical background regarding the scope of safety assessment in relation to the decision-making in complex urban development projects adjacent to or above transport routes of hazardous materials. In Western Europe, such projects are realised due to shortage of space. The weighted risk analysis is an interesting tool comparing different risks, such as investments, economical losses and the loss of human lives, in one-dimension (e.g., money), since both investments and risks could be expressed solely in money. Finally, the weighted risk analysis approach is applied in a case study of Bos and Lommer, Amsterdam. 相似文献