Results 21 to 30 of about 574,974 (282)

Investigation of Temporal and Spatial Trends of Air Pollutants in the City of Karaj [PDF]

open access: yesمحیط زیست و توسعه فرابخشی, 2022
Introduction: One of the significant challenges metropolises faces is air pollution, which has many adverse effects on human health and the environment.
Azam Shahbeik   +2 more
doaj   +1 more source

Characterization of Black Carbon and Its Correlations with VOCs in the Northern Region of Hangzhou Bay in Shanghai, China

open access: yesAtmosphere, 2021
Ozone and PM2.5 (all particulate matter with diameter of 2.5 µm or smaller) are currently two disturbing environmental issues in most cities of China. Black carbon (BC), mainly from incomplete combustion, is one of the most important components of PM2.5 ...
Fangfang Wang   +3 more
doaj   +1 more source

Multiple output production with undesirable outputs : an application to nitrogen surplus in agriculture [PDF]

open access: yes, 2002
Many production processes yield both good outputs and undesirable ones (e.g., pollutants). In this article we develop a generalization of a stochastic frontier model that is appropriate for such technologies.
Fernandez, C., Koop, G.M., Steel, M.
core   +1 more source

Study on denitration performance of multi element modified MIL-101 (Fe) at low temperature [PDF]

open access: yesMATEC Web of Conferences, 2022
MIL-101 (Fe) was modified by amino group and doped by Cu and Co elements by microwave hydrothermal method. The effect of SCR denitrification at low temperature was investigated with high concentration of NOx as adsorption object.
Wang Shuqin, Li Xiaoxue, Wu Jinjin
doaj   +1 more source

Greywater irrigation as a source of organic micro-pollutants to shallow groundwater and nearby surface water [PDF]

open access: yes, 2019
Increased water demands due to population growth and increased urbanisation have driven adoption of various water reuse practices. The irrigation of greywater (water from all household uses, except toilets) has been proposed as one potential sustainable ...
Albalawneh   +39 more
core   +1 more source

Environmental Pollution

open access: yes, 2013
There exist various definitions to the word pollution depending on one’s jurisdiction and the laws of a particular country. Springer (1977, see references therein) looks at the meaningful concept of defining pollution in international law by posing the questions: “What are you talking about when you are talking about pollution? What is pollution?
Kyalo, Kiema J B, Awange, J L
openaire   +3 more sources

Seagrass Posidonia oceanica (L.) Delile as a marine biomarker: A metabolomic and toxicological analysis [PDF]

open access: yes, 2018
A human-made environmental disaster due to the shipwrecked of Costa Concordia cruise vessel on the Tuscan Island of Giglio (Italy) coast and the possible pollutants release has been feared, so requiring the activation of removal operations and the ...
Agostini   +39 more
core   +1 more source

Oleaginous yeast Yarrowia lipolytica culture with synthetic and food waste-derived volatile fatty acids for lipid production

open access: yesBiotechnology for Biofuels, 2017
Background The sustainability of microbial lipids production from traditional carbon sources, such as glucose or glycerol, is problematic given the high price of raw materials.
Ruiling Gao   +4 more
doaj   +1 more source

Z-Scheme Heterojunction of SnS2/Bi2WO6 for Photoreduction of CO2 to 100% Alcohol Products by Promoting the Separation of Photogenerated Charges

open access: yesNanomaterials, 2022
Using sunlight to convert CO2 into solar fuel is an ideal solution to both global warming and the energy crisis. The construction of direct Z-scheme heterojunctions is an effective method to overcome the shortcomings of single-component or conventional ...
Yong Xu   +5 more
doaj   +1 more source

The Failure of Agency-Forcing: The Regulation of Airborne Carcinogens Under Section 112 of the Clean Air Act [PDF]

open access: yes, 1985
Professor Graham analyzes section 112 of the Clean Air Act, a provision intended by Congress to achieve ambitious regulatory ends by constraining agency discretion.
Graham, John D.
core   +2 more sources

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