On the Energy Efficiency of Indoor Air Conditioning by S. N. Osipov, A. V. Zakharenko, E. M. Shirokova

“…At the same time, it should be noted that there is currently no complete scientific and technical description of aerodynamic and heat exchange processes in the air conditioning zone. …”
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Impact of PM2.5, relative humidity, and temperature on sleep quality: a cross-sectional study in Taipei by Nguyen Thanh Tung, Yueh-Lun Lee, Wen-Te Liu, Yuan-Chien Lin, Jer-Hwa Chang, Huynh Nguyen Xuan Thao, Hoang Ba Dung, Lam Viet Trung, Tran Phan Chung Thuy, Nguyen Thi Hien, Cheng-Yu Tsai, Chen-Chen Lo, Kang Lo, Kin Fai Ho, Kai-Jen Chuang, Hsiao-Chi Chuang

“…Introduction TWe investigated impacts of particulate matter with an aerodynamic diameter of less than 2.5 μm (PM2.5), relative humidity (RH), and temperature on sleep stages and arousal.Materials and Methods A cross-sectional analysis involving 8,611 participants was conducted at a sleep center in Taipei. …”
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Investigation of Coolant Local Hydrodynamics in the Mixed Core of the VVER Reactor by S. M. Dmitriev, A. V. Gerasimov, A. A. Dobrov, D. V. Doronkov, A. N. Pronin, A. V. Ryazanov, D. N. Solntsev, A. E. Khrobostov

“…Modeling of the flow of the coolant flow in the fuel rod bundle was carried out on an aerodynamic test stand. The research was carried out on a model of a fragment of a mixed core of a VVER reactor consisting of one TVSA-T segment and two segments of the TVSA-T.mod2. …”
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Effect of blade inclination angle for straight-bladed vertical-axis wind turbines by L. Morgan, A. K. Amiri, W. Leithead, J. Carroll

“…Many studies have been completed on the rotor design for straight-bladed rotors (H-rotors); however, there is sparse information on the effect of blade inclination angle on VAWT aerodynamic performance and the optimal blade design of VAWTs with inclined blades (V-rotors) for maximum power capture.…”
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Filtration and Breathability of Nonwoven Fabrics Used in Washable Masks by Thomas W. Bement, David J. Downey, Ania Mitros, Rebecca Lau, Timothy A. Sipkens, Jocelyn Songer, Heidi Alexander, Devon Ostrom, Hamed Nikookar, Steven N. Rogak

“…Filtration was tested against particles 0.5 µm to 5 µm aerodynamic diameter. Nonwoven polyester and nonwoven polypropylene (craft fabrics, medical masks, and medical wraps) showed higher quality factors than woven materials (flannel cotton, Kona cotton, sateen cotton). …”
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Assessment of Microbiological Indoor Air Quality in Cattle Breeding Farms by Justyna Szulc, Małgorzata Okrasa, Katarzyna Dybka-Stępień, Michael Sulyok, Adriana Nowak, Anna Otlewska, Bogumiła Szponar, Katarzyna Majchrzycka

“…The concentrations of the total dust in the barns ranged from 0.175 to 0.351 mg m−3, with the dominant fraction (67.4-96.4%) displaying an aerodynamic diameter of < 1 µm. The bacterial and fungal concentrations fell between 7.14 × 103 and 3.88 × 104 CFU m−3, and 5.53 × 101 and 1.30 × 104 CFU m−3, respectively. …”
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Chemical Characterization of Marine Aerosols in a South Mediterranean Coastal Area Located in Bou Ismaïl, Algeria by Sidali Khedidji, Konrad Müller, Lyes Rabhi, Gerald Spindler, Khanneh Wadinga Fomba, Dominik van Pinxteren, Noureddine Yassaa, Hartmut Herrmann

“…., atmospheric particulate matter with aerodynamic diameter of less than 10 µm, was determined at the south Mediterranean coastal area located in Bou Ismaïl, 40 km west of the Algiers city area in Algeria. …”
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Analysis of Surface Level PM2.5 Measured by Low-Cost Sensor and Satellite-Based Column Aerosol Optical Depth (AOD) over Kathmandu by Jeevan Regmi, Khem N. Poudyal, Amod Pokhrel, Nabin Malakar, Madhu Gyawali, Lekhendra Tripathee, Mukesh Rai, Srikanthan Ramachandran, Katrina Wilson, Rudra Aryal

“…Abstract A low-cost PurpleAir PA-II sensor was installed, in 2020 at the Institute of Engineering (IOE) Pulchowk Campus, TU located in Kathmandu valley, Nepal, to measure particulate matter with an aerodynamic diameter equal to or smaller than 2.5 µm (PM2.5). …”
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Environmental PM2.5 Exposure: An Ignored Factor Associated with Blood Cadmium Level in Hemodialysis Patients by Hsu CW, Chan MJ, Weng CH, Tsai TY, Yen TH, Huang WH

“…Ching-Wei Hsu,1,2 Ming-Jen Chan,1,2 Cheng-Hao Weng,1,2 Tsung-Yu Tsai,1,2 Tzung-Hai Yen,1,2 Wen-Hung Huang1,2 1Department of Nephrology and Clinical Poison Center, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan, Republic of China; 2Chang Gung University, College of Medicine, Taoyuan, Taiwan, Republic of ChinaCorrespondence: Wen-Hung Huang, Department of Nephrology and Clinical Poison Center, Chang Gung Memorial Hospital, 199, Tung-Hwa North Road, Taipei, Taiwan, Republic of China, Tel +886-3-3281200-8181, Fax +886-3-3288662, Email williammedia@gmail.comBackground: The negative impacts of particulate matter with an aerodynamic diameter of 2.5 μm or less (PM2.5) are well known. …”
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Three-Dimensional Aeroelastic Investigation of a Novel Convex Bladed H-Darrieus Wind Turbine Based on a Two-Way Coupled Computational Fluid Dynamics and Finite Element Analysis App... by Tarek Elbeji, Wael Ben Amira, Khaled Souaissa, Moncef Ghiss, Hatem Bentaher, Nabil Ben Fredj

“…As a result, the blades operate under erratic and intricate aerodynamic loads, which cause them to bend. The performance of the H-Darrieus rotor will therefore be impacted by the blade’s deflection. …”
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Joint effects of temperature and humidity with PM2.5 on COPD by Huan Minh Tran, Feng-Jen Tsai, Yuan-Hung Wang, Kang-Yun Lee, Jer-Hwa Chang, Chi-Li Chung, Chien-Hua Tseng, Chien-Ling Su, Yuan-Chien Lin, Tzu-Tao Chen, Kuan-Yuan Chen, Shu-Chuan Ho, Feng-Ming Yang, Sheng-Ming Wu, Kian Fan Chung, Kin-Fai Ho, Kai-Jen Chuang, Hsiao-Chi Chuang

“…Abstract Background Particulate matter less than 2.5 microns in aerodynamic diameter (PM2.5) is a significant air pollutant known to adversely affect respiratory health and increase the incidence of chronic obstructive pulmonary disease (COPD). …”
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Concentrations and associated health risks of indoor/outdoor PM2.5- bound metallic elements at a subway station in Tianjin city during winter by Yan ZHAO, Yang CHEN, Yuwen WANG, Bodong SHANG, Yuxin DU

“…ObjectiveTo compare the concentrations and to assess the chronic health risks of particulate matter less than 2.5 microns in aerodynamic diameter (PM2.5)-bound metal elements on the platform and in the ambient air of a subway station in Tianjin city during winter. …”
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Are noise and air pollution related to the incidence of dementia? A cohort study in London, England by Derek G Cook, Frank J Kelly, Iain M Carey, H Ross Anderson, David P Strachan, Richard W Atkinson, Sean D Beevers, David Dajnak, John Gulliver

“…The average annual concentrations during 2004 of nitrogen dioxide (NO2), particulate matter with a median aerodynamic diameter ≤2.5 µm (PM2.5) and ozone (O3) were estimated at 20×20 m resolution from dispersion models. …”
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Health and economic cost estimates of short-term total and wildfire PM2.5 exposure on work loss: using the consecutive California Health Interview Survey (CHIS) data 2015–2018 by Michael Jerrett, Yu Yu, Ying-Ying Meng, Diane Garcia-Gonzales, Mohammad Z Al-Hamdan, Miriam E Marlier, Joseph L Wilkins, Ninez Ponce

“…Instruction To help determine the health protectiveness of government regulations and policies for air pollutant control for Americans, our study aimed to investigate the health and economic impacts of work loss due to sickness associated with daily all-source and wildfire-specific PM2.5 (particulate matter with an aerodynamic diameter smaller than 2.5 μm) exposures in California.Methods We linked the 2015–2018 California Health Interview Survey respondents’ geocoded home addresses to daily PM2.5 estimated by satellites and atmospheric modelling simulations and wildfire-related PM2.5 from Community Multiscale Air Quality models. …”
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COPD with Eosinophilic Inflammation is Susceptible to Particulate Air Pollution Exposure by Amja Manullang, Chi-Li Chung, Yueh-Lun Lee, Tzu-Hsuen Yuan, Huan Minh Tran, Firdian Makrufardi, Kian Fan Chung, Kang-Yun Lee, Jer-Hwa Chang, Hsiao-Chi Chuang

“…Land use regression (LUR) model was used to estimate exposure levels to particulate matter with an aerodynamic diameter of < 10 µm (PM10), PM2.5 (< 10 µm), nitrogen oxides (NOx) and nitrogen dioxides (NO2). …”
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Neurotrophin-3 as a mediator in the link between PM2.5 exposure and psychiatric disorders: A Mendelian randomization study by Yuan Zhang, Wei Wang, Xuening Zhang, Ran Jing, Xin Wen, Peng Xiao, Xinjie Liu, Zengle Zhao, Tongmin Chang, Yufei Li, Wen Liu, Chenxi Sun, Xiaorong Yang, Lejin Yang, Ming Lu

“…Background: The causal relationship between PM2.5 (particulate matter with an aerodynamic diameter ≤2.5 μm) and common mental disorders, along with its neuropathological mechanisms, remains unclear. …”
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Associations of PM2.5 with Chronic Obstructive Pulmonary Disease in Shipyard Workers: A Cohort Study by Nguyen Thanh Tung, Ching-Huang Lai, Chih-Hong Pan, Wei-Liang Chen, Chung-Ching Wang, Che-Wei Liang, Chi-Yu Chien, Kai-Jen Chuang, Huynh Nguyen Xuan Thao, Hoang Ba Dung, Tran Phan Chung Thuy, Hsiao-Chi Chuang

“…Abstract The association between lung deposition of particulate matter with an aerodynamic diameter less than 2.5 µm (PM2.5) from welding fumes and lung function is unclear. …”
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Associations of meteorological factors and ambient air pollutants with mumps incidence in Ningxia Hui Autonomous Region: boosted regression tree model analysis by Xianglong LIU, Linlin CHEN, Jiayu YU, Rui GONG, Yaogeng CHEN, Yu ZHAO

“…MethodsData on the daily number of mumps cases in Ningxia Hui Autonomous Region from 2015 to 2019 were obtained from the Notifiable Infectious Disease Surveillance System of the region, and data on meteorological factors (daily mean temperature/relative humidity/atmospheric pressure/wind speed) and air pollutants (daily concentrations of ozone, [O3], sulfur dioxide [SO2], carbon monoxide [CO], nitrogen dioxide [NO2], and particulate matter with aerodynamic diameter < 2.5/10 mum [PM2.5/PM10]) for the same period were obtained from the National Meteorological Science Data Center. …”
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Indoor, outdoor, and personal exposure to PM2.5 and associated health risk in community-dwelling elderly residents in Fuzhou city, 2021: a cross-sectional study by Shuling KANG, Xin LIN, Kan LIN, Baoying LIU, Chuancheng WU, Jianjun XIANG, Jingwen CHEN, Quan ZHOU

“…ObjectiveTo investigate personal total, indoor, outdoor exposure to particulate matter less than 2.5 μm in aerodynamic diameter (PM2.5) and health risks associated with the exposure among community-dwelling elderly in Fuzhou city. …”
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Performance evaluation of four cascade impactors for airborne ultrafine-particle (UFP) collection: the influence of particle type, concentration, mass, and chemical nature by E. Eckenberger, A. Mittereder, N. Gawlitta, N. Gawlitta, J. Schnelle-Kreis, J. Schnelle-Kreis, M. Sklorz, D. Brüggemann, R. Zimmermann, R. Zimmermann, A. C. Nölscher

“…<p>Ultrafine particles (UFPs) have aerodynamic diameters of 100 nm or less. As UFPs potentially impact human and environmental health, their chemical composition is of interest. …”
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