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Lucyna Samek, Anna Rys, Jan Dudek, Zdzislaw Stegowski, Vânia Martins, Susana Marta Almeida and Katarzyna Styszko
PM10 samples were collected at the Kraków air quality traffic monitoring station during two periods: February?May 2018 and February?June 2020. The PM10 concentrations dropped by 50% from 74 ± 29 µg/m3 to 37 ± 13 µg/m3 in 2018 and 2020, respectively. The ...
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David Hera, Vaughan S. Langford, Murray J. McEwan, Thomas I. McKellar and Daniel B. Milligan
Direct analysis techniques have greatly simplified analytical methods used to monitor analytes at trace levels in air samples. One of these methods, Selected Ion Flow Tube-Mass Spectrometry (SIFT-MS), has proven to be particularly effective because of it...
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Xiaojing Wang, Chenguo Yao, Caixin Sun, Qing Yang and Xiaoxing Zhang
A numerical study has been conducted to understand the mutual effect among nearby needles in a multi-needle electrode dielectric barrier discharge. In the present paper, a fluid-hydrodynamic model is adopted. In this model, the mutual effect among nearby...
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Chen-Fa Wu, Chun-Hsien Lai, Hone-Jay Chu and Wen-Huang Lin
Negative air ions (NAI) produce biochemical reactions that increase the levels of the mood chemical serotonin in the environment. Moreover, they benefit both the psychological well being and the human body?s physiological condition. The aim of this resea...
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Rachel A. Grant, Tim Halliday, Werner P. Balderer, Fanny Leuenberger, Michelle Newcomer, Gary Cyr and Friedemann T. Freund
Prior to major earthquakes many changes in the environment have been documented. Though often subtle and fleeting, these changes are noticeable at the land surface, in water, in the air, and in the ionosphere. Key to understanding these diverse pre-earth...
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