Results 31 to 40 of about 503,535 (164)
Tropospheric nitrogen dioxide levels vary diurnally in Asian cities
Communications Earth & EnvironmentSatellite measurements of nitrogen dioxide have been used to infer nitrogen oxide emissions, a critical component in tropospheric chemistry and pollution.
Junsung Park +21 more
doaj +1 more source
Product Yields and Characteristics of Corncob Waste under Various Torrefaction Atmospheres
Energies, 2013 Biomass is a promising energy source due to its abundant, carbon-fixing, and carbon-neutral properties. Torrefaction can be employed to improve the properties of biomass in an oxygen-free or nitrogen atmosphere. This study investigates the product yields
Jau-Jang Lu, Wei-Hsin Chen
doaj +1 more source
Antipollution system to remove nitrogen dioxide gas [PDF]
, 1971 Gas phase reaction system using anhydrous ammonia removes nitrogen dioxide. System consists of ammonia injection and mixing section, reaction section /reactor/, and scrubber section.
Metzler, A. J., Slough, J. W.
core +1 more source
BMC Public Health, 2020 Background Children are especially vulnerable to pneumonia and the effects of air pollution. However, little is known about the impacts of air pollutants on pediatric admissions for Mycoplasma pneumonia.
Ning Chen +11 more
doaj +1 more source
Continuous analysis of nitrogen dioxide in gas streams of plants [PDF]
, 1969 Analyzer and sampling system continuously monitors nitrogen dioxide concentrations in the feed and tail gas streams of a facility recovering nitric acid.
Durkin, W. T., Kispert, R. C.
core +1 more source
Daytime and nighttime removal processes of atmospheric NO2 and NH3 in Araraquara's region – SP
Eclética Química, 2018 Nitrogen oxides and ammonia are important nitrogen compounds which are emitted to the atmosphere. They are very important substances in the environment. In the atmosphere, these substances may undergo diverse reactions that result in changes of chemical ...
Cássia Ugucione +3 more
doaj +1 more source
Analysis of available technologies for the separating nitrogen and carbon dioxide from natural gas [PDF]
Tehnika, 2018 In the Serbia there are more gas reservoirs with reserves of more than 10 million Sm3 of natural gas. One of the reasons why they have not been exploited yet is that they contain nitrogen and carbon dioxide, that should be separated during the production
Danilović Dušan Š. +5 more
doaj
Minimal NOx emission by Lysinibacillus sphaericus in nutrient poor soil
Soil & Environment, 2018 The aim of this study was to determine whether nitrogen dioxide emissions by Lysinibacillus sphaericus exist in nutrient poor soil. First, we evaluated the presence of two genes involved in denitrification (nosF and nosD) by PCR screening of five ...
Melissa Sánchez, Jenny Dussán
doaj +1 more source
Ambient air pollutants and their effect on COVID-19 mortality in the United States of America
Revista Panamericana de Salud Pública, 2020 Objective. To examine the impact of four ambient air pollutants on the COVID-19 mortality rate in the United States of America. Methods. Using publicly accessible data collected by the United States Census Bureau, Environmental Protection Agency, and ...
Samuel Liu, Meng Li
doaj +1 more source
Estimation of Greenhouse Gases Emission from Road Transportation in Yogyakarta City [PDF]
MATEC Web of Conferences, 2019 The use of vehicles in Yogyakarta City is quite a lot. Fuelcombustion in the vehicle produces some greenhouse gases emissions suchas Carbon Dioxide, Methane, and Nitrogen Dioxide.
Nugrahayu Qorry, Firmansyah Raditya
doaj +1 more source