Sökning: "Absorption spectroscopy"

Visar resultat 1 - 5 av 99 uppsatser innehållade orden Absorption spectroscopy.

  1. 1. IR spectroscopy for vibrational modes : A semi-classical approach based on classical electrodynamicsand modern quantum mechanics

    Kandidat-uppsats, Linnéuniversitetet/Institutionen för fysik och elektroteknik (IFE)

    Författare :Ulf Oreborn; [2018]
    Nyckelord :;

    Sammanfattning : The atoms of a molecule are always restless and are constantly moving in one way or another.Apart from rotations and translations, they may vibrate in many different modes. They may moveradially toward or from each other, so called stretching. This can be done symmetrically or asymmetrically. LÄS MER

  2. 2. Spectroscopy and RGB-Colorimetry for Quantification of Plant Pigment and Fruit Content in Fruit Drinks

    Kandidat-uppsats, Lunds universitet/Matematisk fysik; Lunds universitet/Fysiska institutionen

    Författare :Daniele Correia Rodman; [2018]
    Nyckelord :spectroscopy; RGB-colorimetry; Physics and Astronomy;

    Sammanfattning : Collimated Transmission Spectroscopy (CTS) is a technique that is commonly used to study the optical absorption of different media. In this work CTS was used to measure the absorbance of pure raspberry juice in order to investigate how well the fruit content may be determined in a commercially available raspberry fruit drink. LÄS MER

  3. 3. Temperature measurement in flames using TLAF, alkali emission and OH UV absorption

    Magister-uppsats, Lunds universitet/Fysiska institutionen; Lunds universitet/Förbränningsfysik

    Författare :Yuhe Zhang; [2018]
    Nyckelord :Physics and Astronomy;

    Sammanfattning : There is a continued need for reliable and convenient nonintrusive thermometric techniques for better understanding and effective control of combustion related processes. In this thesis, three spectroscopic thermometric methods were studied to evaluate the hot flue gas temperatures provided by a multi-jet burner. LÄS MER

  4. 4. Determination of fossil share in combustion of waste : Development of a novel method using NIR spectroscopy to predict the content of plastics in RDF-material

    Master-uppsats, Mälardalens högskola/Akademin för ekonomi, samhälle och teknik

    Författare :Christian Dahl; [2018]
    Nyckelord :NIR; Near infra-red; spectroscopy; chemometrics; waste material; fossil share;

    Sammanfattning : Incineration of waste materials has become a common way to handle a worldwide increase of produced waste materials. The problem with waste as fuel is that the material is not homogeneous and include a mixture of fossils and renewables. LÄS MER

  5. 5. A quantum chemical study of electronic circular dichroism in alanine oligopeptides

    Kandidat-uppsats, KTH/Skolan för teknikvetenskap (SCI)

    Författare :Thomas Agrenius Gustafsson; [2018]
    Nyckelord :;

    Sammanfattning : Circular dichroism (CD) spectroscopy, exploiting the wavelength-dependentdifferential absorption of left- and right-handed circularly polarized light, isa popular method of protein characterization. Theoretically computed CDspectra from quantum mechanical computer models of peptides can widen theapplicability of the method. LÄS MER

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