Essays about: "pollution concentration"

Showing result 21 - 25 of 114 essays containing the words pollution concentration.

  1. 21. Leachate-Based Biotic Ligand Model for Soil : Ecotoxicological Risk Assessment of Copper for Invertebrates, Plants, and Soil Microbial Processes

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Tove Florén; [2021]
    Keywords : Tomato shoot; Barley root; Glucose induced respiration; Nitrification; Earthworm; Springtail; EC10; SSD; Regression analysis; pH dependency; Bioavailability;

    Abstract : Environmental pollution of heavy metals has become an increasing problem. Environmental risk assessments can be conducted to investigate and determine the potential risk of polluted terrestrial environments. Traditionally, risk assessments are based on total soil metal concentrations on a dry weight basis. READ MORE

  3. 22. Behavior effects of a psychotropic pharmaceutical contaminant on Atlantic salmon (Salmo salar) juveniles : Atlantic salmon juveniles exposed to two different oxazepam concentrations

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Dimitra Kampezidou; [2021]
    Keywords : oxazepam; anxiolytics; benzodiazepines; pharmaceutical contaminant; pollution; Atlantic salmon salmo salar ; anxiety-like behavior;

    Abstract : Environmental pollution by pharmaceuticals is an issue of concern that is currently attracting attention around the world. Although environmental effects of pharmaceutical contaminants are not yet well documented, studies have shown that these substances may have the potential to disrupt the biotic component of an ecosystem. READ MORE

  4. 23. Automated Control System for Dust Concentration Measurements Using European Standard Reference Method

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Gustav Marstorp; [2021]
    Keywords : Dust concentration measurements; Particle concentration; Isokinetic deviation; PID-controller; EU standard 13284-1:2017; Stoftmätning; Partikelkoncentration; PID-regulator; Isokinetisk avvikelse; EU standard 13284-1:2017;

    Abstract : Most companies that have any type of combustion or other pollution process via emission to air needs to measure their emissions to ensure they are within legal boundaries. Among the different types of pollution measurements, one of the most common is dust concentration, also known as particle concentration. READ MORE

  5. 24. The Impact of the COVID-19 Lockdown on the Urban Air Quality: A Machine Learning Approach.

    University essay from Högskolan Dalarna/Institutionen för information och teknik

    Author : Srinivas Bobba; [2021]
    Keywords : Covid-19; air pollutants; Lockdown; AVOVA; Permutation Test; Machine Learning; feature importance.;

    Abstract : ‘‘SARS-CoV-2’’ which is responsible for the current pandemic of COVID-19 disease was first reported from Wuhan, China, on 31 December 2019. Since then, to prevent its propagation around the world, a set of rapid and strict countermeasures have been taken. READ MORE

  6. 25. Change of heating fuel consumption patterns produced by the economic crisis in Greece

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Panagiotis Patrinos; [2021]
    Keywords : geography; GIS; atmospheric pollution; Greece; household heating systems; heating fuel; economic Crisis; air Quality; satellite data; virtual stations; regression analysis; air pollutants mapping; anthropogenic factors; Earth and Environmental Sciences;

    Abstract : The economic crisis in Greece resulted in a change in residential heating fuels utilized, which in turn resulted in a change of air quality over Greater Athens Area. The aim of this study was to investigate the effects of economic crisis in air quality over Attica by examining the change in air pollutants’ concentrations before, during, and after the onset of the economic crisis in Greece and to associate this change with the change in fuels used for residential heating. READ MORE