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111.
Sunil Kumar Gupta 《Journal of the Air & Waste Management Association (1995)》2017,67(10):1137-1145
Regular exercise improves physiological processes and yields positive health outcomes. However, it is relatively less known that particulate matter (PM) exposure during outdoor exercises may increase several respiratory health problems depending on PM levels. In this study, the respiratory deposition doses (RDDs) in head airway (HD), tracheobronchial (TB), and alveolar (AL) regions of various PM size fractions (<10, <2.5, and <1 μm; PM10, PM2.5, and PM1) were estimated in healthy male and female exercisers in urban outdoors and within house premises. The highest RDDs were found for PM during morning hours in winter compared with remaining periods. RDDs in AL region for males and females, respectively, were 34.7 × 10?2 and 28.8 × 10?2 µg min?1 for PM10, 65.7 × 10?2 and 56.9 × 10?2 µg min?1 for PM2.5, and 76.5 × 10?2 and 66.3 × 10?2 µg min?1 for PM1. The RDD values in AL region were significantly higher in PM1 (27%) compared with PM2.5 (13%) and PM10 (2%) during exercise in all periods. This result showed that the morning peak hours in winter are more harmful to urban outdoor exercisers compared with other periods. This study also showed that the AL region would have been the main affected zone through fine particle (PM1) to all the exercisers.Implications: Size-segregated particle concentrations in urban outdoors and within house premises were measured. The highest respiratory deposition doses (RDDs) were found for PM during morning hours in winter compared with remaining periods. During light exercise, the RDD values in alveolar (AL) region for PM10, PM2.5, and PM1 for male exercisers were significantly higher, 20.4%, 15.5%, and 15.4%, respectively, compared with female exercisers during morning peak hours in winter. 相似文献
112.
Robin Anderson Richard E. Woodward Sunil I. Shah J. N. Hartley Stephen C. James Ronald C. Sims 《Journal of the Air & Waste Management Association (1995)》2013,63(9):1232-1234
The A&WMA Critical Review entitled “Soil Remediation Techniques at Uncontrolled Hazardous Waste Sites” was presented by Ronald C. Sims, Department of Civil and Environmental Engineering, Utah State University, Logan, Utah. Dr. Sims presented his review at the 83rd Air & Waste Management Association Annual Meeting, held in Pittsburgh, Pennsylvania in June 1990. Prepared discussions presented during the Critical Review session are published here, along with some closing remarks by Dr. Sims. Ronald Harkov, Chairman of the Critical Review Subcommittee of the Publications Committee, served as moderator of the 1990 A&WMA Critical Review session. 相似文献
113.
Imam Arfin Suman Sunil Kumar Vempatapu Bhanu Prasad Tripathi Deependra Ray Anjan Kanaujia Pankaj K. 《Environmental science and pollution research international》2022,29(29):44135-44147
Environmental Science and Pollution Research - The rapid pace of economic development has resulted in the release of several polycyclic aromatic hydrocarbons (PAHs) into the environment. Microbial... 相似文献
114.
Goyal Shivam Garg Dixit Luthra Sunil 《Environment, Development and Sustainability》2022,24(4):5195-5224
Environment, Development and Sustainability - Scarcity of natural resources and increasing level of pollution have put the survival of human in trouble. This situation has compelled the world to... 相似文献
115.
Shahfahad Talukdar Swapan Rihan Mohd. Hang Hoang Thi Bhaskaran Sunil Rahman Atiqur 《Environment, Development and Sustainability》2022,24(3):3762-3790
Environment, Development and Sustainability - According to the World Urbanization Prospects of United Nations, the global urban population has increased rapidly over past few decades, reaching... 相似文献