Search for dissertations about: "Near infrared spectroscopy"

Showing result 1 - 5 of 106 swedish dissertations containing the words Near infrared spectroscopy.

  1. 1. Measurement of trace components in aqueous solutions with near and mid infrared Fourier transform spectroscopy

    University dissertation from Department of Physics, Lund University

    Author : Peter Snoer Jensen; Lunds universitet.; Lund University.; [2003]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Near-infrared; Temperature dependency; Dual-beam; Optical null; Optimal pathlength Haemodialysis liquid; Urea; Glucose; Phosphate; Atom- och molekylärfysik; Atomic and molecular physics; Infrared; Water absorption; Fourier transform spectroscopy; Fysicumarkivet A:2003:Snoer Jensen;

    Abstract : Popular Abstract in Swedish Denna avhandling handlar om hur man kan mäta små mängder av ett antal intressanta molekyler i en vattenlösning med hjälp av infrarödspektroskopi. Det är viktigt att kunna bestämma mängden av olika spårämnen i en vattenlösning i en rad olika tillämpningar. READ MORE

  2. 2. Stream monitoring using near-infrared spectroscopy of epilithic material

    University dissertation from Umeå : Ekologi, miljö och geovetenskap

    Author : Jan Persson; Umeå universitet.; [2007]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Streams; environmental monitoring; Water Framework Directive; water quality; biological impact; epilithic material; near-infrared spectroscopy; diatoms; NATURAL SCIENCES Earth sciences; NATURVETENSKAP Geovetenskap;

    Abstract : The European Union Water Framework Directive (WFD), with initiatives to manage surface water resources, has increased the need for fast and inexpensive methods for monitoring conditions in streams. The objective of this thesis is to assess the potential of near-infrared spectroscopy (NIRS) of epilithic material to become such method. READ MORE

  3. 3. Theoretical Modeling and Near-Infrared Spectroscopy Monitoring of Vial Lyophilization

    University dissertation from Umeå : Ekologi, miljö och geovetenskap

    Author : Mikael Brülls; [2008]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; in-situ; simulation; monitoring; spectral peak area analysis; near-infrared spectroscopy; lyophilization; moisture; sublimation; vial; mathematical model;

    Abstract : The research documented in this thesis was directed towards lyophilization of pharmaceuticals in vials (vial lyophilization) and it was focused on the design and control of this process. Theoretical modeling has considerable potential to guide experimental studies, thereby decreasing development time and improving the possibilities to achieve an optimal and robust process design. READ MORE

  4. 4. Diode laser spectroscopy in extended wavelength ranges

    University dissertation from Department of Physics, Lund University

    Author : Ulf Gustafsson; Lunds universitet.; Lund University.; [2000]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; diode-laser spectroscopy; frequency-modulation spectroscopy; frequency conversion; fluorescence spectroscopy; scattering; diffraction; Fysicumarkivet A:2000:Gustafsson; Atomic and molecular physics; Atom- och molekylärfysik; absorption spectroscopy;

    Abstract : Diode laser spectroscopy performed in the ultraviolet, visible and infrared spectral regions is presented. The accessible wavelength range for visible and near-infrared diode lasers is extended by the use of sum- and difference-frequency generation. READ MORE

  5. 5. Carved Mountains and Moving Stones applications of Near Infrared Spectroscopy for Mineral Characterisation in Provenance Studies

    University dissertation from Umeå : Umeå Universitet

    Author : Claudia Sciuto; Umeå universitet.; [2018]
    Keywords : HUMANIORA; HUMANITIES; Raw materials; mineral characterization; material agency; Near Infrared spectroscopy; hyperspectral imaging; Energy-Dispersive X-ray Fluorescence; multivariate statistics;

    Abstract : The study of stone artefacts is a combination of anthropological archaeology and geology, rooted in analytical techniques for determining the materials’ composition, typological stylistic classification and interpretation of cultural patterns. In this thesis, the archaeology of materials is considered in the context of sites- and landscape transformation, economic history and development of techniques. READ MORE