Results 21 to 30 of about 46,392 (244)

Analytical methods for the determination of Cr6+ from fixed source emissions

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2020
The aim of this study was to develop two analytical methods for the determination of Cr6 + from fixed source emissions, such us the molecular absorption spectrophotometric method (UV-VIS) and the graphite furnace atomization absorption spectrometry ...
Mihaela Petrescu   +6 more
doaj   +1 more source

Spatio-temporal variation of nitrate and nitrite levels in groundwater samples from Romania

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2020
This study investigated spatial and temporal distribution of nitrate and nitrite contaminants in groundwater from different geographical regions in Romania, with a special emphasis on a descriptive statistical analysis of data, namely determination of ...
Florinela Pirvu   +6 more
doaj   +1 more source

L’écologie industrielle : nouveau paradigme ou slogan à la mode [PDF]

open access: yesLes Ateliers de l’Ethique, 2006
The project of industrial ecology is to offer guidance to the industrial systems, in order that they function in a cyclic way. After having developed the principal arguments which militate in favour of industrial ecology and having offered an exemplary ...
Raphaël Larrère
doaj  

Occurrence of Pharmaceuticals and Disinfectants in the Dissolved Water Phase of the Danube River and Three Major Tributaries from Romania

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2019
The presence of pharmaceuticals in the aquatic ecosystem has received great attention from the scientific community in the last decades, due to their potential impact on living organisms.
Jana Petre   +10 more
doaj   +1 more source

New ion-chromatography method for detection of chlorite, chlorate and bromate in drinking water

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2020
A direct ion chromatographic method for determination of chlorite, chlorate and bromate in the presence of fluoride, chloride, nitrate, nitrite and bromide in treated drinking waters was described. Separation of target analytes was achieved using an AS19-
Iuliana Paun   +6 more
doaj   +1 more source

Liquid phase chromatographic methods applied to determine emerging contaminants in environmental samples

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2020
Emerging contaminants are a heterogeneous group of chemicals that includes daily personal care products and pharmaceuticals (PPCPs), flame retardants, endocrine disrupting chemicals (EDCs) and nanoparticles (NPs) present in environment which are ...
Vasile Iancu   +8 more
doaj   +1 more source

Anthropogenic pollutants: 10 years of progress in ecotoxicological studies and aquatic risk assessment

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2019
The market expansion due to globalization generated more anthropogenic contaminants, enhancing their negative impact on the environment. In order to prevent and balanced their negative effect, more rapid, sensitive and eco-friendly ecotoxicological ...
Stefania Gheorghe   +8 more
doaj   +1 more source

Evaluating the ecotoxicity of different pharmaceuticals using Aliivibrio fischeri bioassays

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2020
An endless list of companies have produced a large amount of pharmaceutical compounds in a year-on-year growth trend. Due to the excessive consumption of these substances and the inappropriate disposal, the environment was contaminated, especially ...
Lucian Ionescu   +6 more
doaj   +1 more source

Municipal solid waste (MSW) - competitive raw materials for combustible materials obtaining

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2020
Waste-to-energy projects can be classified as a complementary technology for energy recovery from non-recyclable municipal waste fractions and should therefore not compete with measures to reduce, reuse and recycle materials.
Agnes Serbanescu   +6 more
doaj   +1 more source

Relaxing the import proportionality assumption in multi-regional input–output modelling

open access: yesJournal of Economic Structures, 2021
In the absence of data on the destination industry of international trade flows most multi-regional input–output (MRIO) tables are based on the import proportionality assumption.
Simon Schulte   +2 more
doaj   +1 more source

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