Results 51 to 60 of about 1,104,487 (232)

Evaluation of the effectiveness of Tadalafil on improving pulmonary function and asthma severity in severe asthmatic patients: a randomized controlled trial study

open access: yesMonaldi Archives for Chest Disease
Phosphodiesterase inhibitors elevate the levels of cyclic adenosine monophosphate and cyclic guanosine monophosphate, which have been associated with various anti-inflammatory effects that can help alleviate asthma symptoms.
Seyed Hamid Borsi   +4 more
doaj   +1 more source

Effect of Seasonal Variation on the Levels and Behaviours of Formaldehyde in the Atmosphere of a Suburban Area in Cairo, Egypt

open access: yesAsian Journal of Atmospheric Environment, 2018
Formaldehyde (HCHO) is a carcinogenic pollutant, has an active role in tropospheric photochemistry, and can be affected by seasonal variations. To our knowledge, this is the first comprehensive study of the effect of seasonal variation on the levels and ...
Salwa K. Hassan   +2 more
doaj   +1 more source

The Temporal and Spatial Changes of Ship-Contributed PM2.5 Due to the Inter-Annual Meteorological Variation in Yangtze River Delta, China

open access: yesAtmosphere, 2021
Ship-exhausted air pollutants could cause negative impacts on air quality, climate change, and human health. Increasing attention has been paid to investigate the impact of ship emissions on air quality.
Dongsheng Chen   +5 more
doaj   +1 more source

The Effects of Outdoor Air Pollutants on the Costs of Stroke Hospitalizations in China [PDF]

open access: yes, 2019
Stroke, the most frequent cause of severe disability and the second cause of death among adults in the world, brings tremendous mental and economic burden to patients and their families.
Chen, Fang, Li, Luo, Zeng, Siyu
core   +1 more source

Capabilities of the WRF-Chem model in estimating the concentration of dust – A case study of a dust storm in Tehran [PDF]

open access: yesعلوم محیطی, 2017
Introduction: Although in recent years several dust models have been investigated for the Middle East, we need to undertake more studies on verification of dust numerical models for the Middle East given the vast expansion of the region and the creation ...
Amirhossein Nikfal   +3 more
doaj  

Air pollution associated acute respiratory inflammation and modification by GSTM1 and GSTT1 gene polymorphisms: a panel study of healthy undergraduates

open access: yesEnvironmental Health, 2023
Epidemiological evidence has linked air pollution with adverse respiratory outcomes, but the mechanisms underlying susceptibility to air pollution remain unclear. This study aimed to investigate the role of glutathione S-transferase (GST) polymorphism in
Xiang Zeng   +11 more
doaj   +1 more source

Using recycled coffee grounds for the synthesis of ZIF-8@BC to remove Congo red in water

open access: yesEcotoxicology and Environmental Safety, 2022
Around 6.6 million tons of spent coffee is produced per year, resulting in resources loss and potential environmental risks. Hence, a green technique is required to reuse the spent coffee grains.
Yixuan Liang   +6 more
doaj   +1 more source

Air Pollution

open access: yesChronic Diseases and Injuries in Canada, 2010
Toxic air pollutants are continuously released into the air supply. Various pollutants come from chemical facilities and small businesses, such as automobile service stations and dry cleaning establishments. Others, such as nitrogen oxides, carbon monoxide and other volatile organic chemicals, arise primarily from the incomplete combustion of fossil ...
Nhu D, Le, Li, Sun, James V, Zidek
openaire   +2 more sources

Assessment of China's virtual air pollution transport embodied in trade by using a consumption-based emission inventory [PDF]

open access: yes, 2014
Substantial anthropogenic emissions from China have resulted in serious air pollution, and this has generated considerable academic and public concern. The physical transport of air pollutants in the atmosphere has been extensively investigated; however,
Davis, S. J.   +8 more
core   +3 more sources

Assessment of thermal comfort in urban open space (case study: Qom province) [PDF]

open access: yesعلوم محیطی, 2018
Introduction: Open spaces are the most important area of human social exchange, which may be affected by a wide range of factors. Encouraging individuals for being outdoor is one of the main factors for economic, social and political development in the ...
Faezeh Noori   +2 more
doaj  

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