Results 11 to 20 of about 242,468 (294)

O3 highlights [PDF]

open access: yesNature Reviews Physics, 2020
As the third LIGO-Virgo operating run (O3) finishes earlier than planned owing to the COVID-19 pandemic, we look at the ups and down of the past 12 months.
openaire   +2 more sources

Air pollution and hospital admission in patients with chronic obstructive pulmonary disease in Tehran, Iran [PDF]

open access: yesJournal of Emergency Practice and Trauma, 2016
Objective: There are many communities at risk by a series of air pollution episodes. Tehran is one of the most polluted cities in the world. The presence of one or more air pollutants with a certain concentration in a particular period of time can ...
Hasan Amiri   +5 more
doaj   +1 more source

Long-term exposure to NO2 and O3 and all-cause and respiratory mortality: A systematic review and meta-analysis

open access: yesEnvironment International, 2020
Highlights • 46 cohort studies assessed long-term concentrations of NO2 and O3 and mortality.• Meta-analysis of 24 studies found increased risk of death associated with NO2.• Weak associations were observed for peak period O3 and mortality.• High levels ...
P. Huangfu, R. Atkinson
semanticscholar   +1 more source

Environmental Health Risk Assessment of Air Pollutants in Online Motorcycle Taxi Drivers in the Special Capital Region of Jakarta

open access: yesJurnal Kesehatan Lingkungan, 2022
Introduction: Online motorcycle taxi drivers spend most of their time outside as either driving or waiting for their customers. Therefore, chances of exposure to various air pollutants are higher and may cause various health problems, especially the ...
Meithyra Melviana Simatupang   +3 more
doaj   +1 more source

Assessing Hydrocarbon Removal from Petroleum Hydrocarbon-containing Effluent using UV/O3 Advanced Oxidation [PDF]

open access: yesمحیط زیست و مهندسی آب, 2018
The purpose of this study was to experimentally investigate the treatment of petroleum hydrocarbons-contaminated wastewater using UV/O3 method. To predict the degree of pollutant destruction, the initial concentrations of O3 and pollutant, pH, solution ...
Maral Rashidi Fard, Majid Amiri
doaj   +1 more source

Determination of O3 and N2O Components in Atmospheric Pressure Dielectric Barrier Discharge Plasma Based on Mass Spectrometry [PDF]

open access: yesZhipu Xuebao, 2023
Atmospheric dielectric barrier discharge (DBD) plasma has a broad application prospect in wastewater treatment. O3 and N2O are important components of atmospheric plasma, and are affected by many factors.
ZHANG Teng-fei;WEN Ming;HUANG Long-cheng;FENG Gao-ping;WANG Dian-kai;WEI Kang
doaj   +1 more source

Stakeholder-accountability model for artificial intelligence projects

open access: yesJournal of Economics and Management, 2022
Aim/purpose – This research presents a conceptual stakeholder accountability model for mapping the project actors to the conduct for which they should be held accountable in artificial intelligence (AI) projects. AI projects differ from other projects in
Miller Gloria J.
doaj   +1 more source

Comparison of sludge treatment by O3 and O3/H2O2

open access: yesWater Science and Technology, 2014
This work focuses on the comparison of sludge decomposition caused by ozone (O3) alone and by ozone/hydrogen peroxide (O3/H2O2). The content of carbonaceous organic materials, nitrogenous compounds and phosphoric substances in sludge supernatant were measured.
Zhao, Yuxin   +4 more
openaire   +2 more sources

Competitive potential vs. the competitive position of the high-tech sector in European Union countries

open access: yesInternational Journal of Management and Economics, 2022
Despite a considerable body of research and gathering information on advanced technologies, there is still a study gap concerning its importance from the perspective of international competitiveness.
Juchniewicz Małgorzata, Łada Magdalena
doaj   +1 more source

Random forest model based fine scale spatiotemporal O3 trends in the Beijing-Tianjin-Hebei region in China, 2010 to 2017.

open access: yesEnvironmental Pollution, 2021
Ambient ozone (O3) concentrations have shown an upward trend in China and its health hazards have also been recognized in recent years. High-resolution exposure data based on statistical models are needed. Our study aimed to build high-performance random
Runmei Ma   +8 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy