Essays about: "UV-ljus"

Showing result 16 - 20 of 28 essays containing the word UV-ljus.

  1. 16. Ganymede's hydrogen corona and FUV albedo from HST/STIS images

    University essay from KTH/Rymd- och plasmafysik

    Author : Juan Alday Parejo; [2017]
    Keywords : ;

    Abstract : Ganymedes är största månen i vårt Solsystem, och är ett föremål för intensiv vetenskaplig forskning under senaste decenier. Sedan 1998, STIS (Space Telescope Imaging Spectrograph) instrumentet ombord rymdteleskopet Hubble (HST) har observerat Ganymedes i UV ljus med våglängder mellan 1150 Å och 1730 Å i fem olika omgångar. READ MORE

  3. 17. Establishing a sustainable water supply in Chonyonyo, Karagwe, Tanzania

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Kristin Holmberg; [2017]
    Keywords : activated carbon filter; EPANET; microbiological barrier; MPN; pipe design criteria; storage effects; sustainable water supply; ultrafiltration; UV-light; water treatment; EPANET; hållbar vattenförsörjning; kolfilter; lagringseffekter; mikrobiologisk barriär; MPN; pipe design criteria; ultrafiltrering; UV-beredning; UV-ljus; vattenrening;

    Abstract : The small village Chonyonyo, in the district Karagwe in the northwest of Tanzania has a shortage of safe drinking water. Women and children spend several hours a day fetching water and gathering firewood to boil the water to make it more suitable for drinking. READ MORE

  4. 18. Development and Testing of the LOVES Spectrograph

    University essay from Lunds universitet/Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation; Lunds universitet/Astronomi - Genomgår omorganisation

    Author : Petter Thorén; [2016]
    Keywords : Atomic Physics; Intrumentation; Spectroscopy; Spectrograph; UV; Ultra-Violet; Wavelengths; Vacuum; Echelle; Iron; Physics and Astronomy;

    Abstract : In this report we present the testing and development made using the Lund Observatory Vacuum Echelle Spectrograph (LOVES) during the last few years. Hardware development includes an assembly from base components due to relocation and necessary calibrations of the optics. READ MORE

  5. 19. Removal of hydrogen sulfide from an air stream using UV light

    University essay from KTH/Skolan för kemivetenskap (CHE)

    Author : Lorenza Gilardi; [2016]
    Keywords : VOC; sulfur removal; ozone; adsorbent bed;

    Abstract : Volatile sulfur compounds are cause of concern because, when present in high concentrations, they constitute a danger for health because of their strong toxicity. Furthermore, for low concentrations, they are often a cause of complaint, because of their low odor threshold. READ MORE

  6. 20. Development of a nail polish with minerals as caring ingredients

    University essay from KTH/Skolan för kemivetenskap (CHE)

    Author : Caroline Thunstedt; [2014]
    Keywords : ;

    Abstract : This master thesis project is a cooperation between The Royal Institute of Technology, KTH, and Nordic AB with the purpose to develop a nail polish for the makeup brand. It is important that the nail polish contains a good choice of ingredients according to the rules and guidelines of . READ MORE