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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Infrared spectroscopy of size selected anion complexes and clusters

Wild, Duncan Andrew Unknown Date (has links) (PDF)
Gas phase anion clusters, consisting of solvent molecules hydrogen bonded to halide anions, are characterised by vibrational predissociation spectroscopy using a combination of mass spectrometry and laser spectroscopy. Monitoring changes in the vibrational properties of neutral solvent molecules when they are attached to a halide anion allows one to infer cluster structures. In some cases, the spectra contain rotationally resolved features, so that quantitative structural parameters can be obtained. (For complete abstract open document)
2

Raman and FT-IR spectroscopic investigation of chemically modified starches

Poon, Yuen-fan. January 2005 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2006. / Title proper from title frame. Also available in printed format.
3

Study of chemically modified food proteins by vibrational spectroscopy

Wong, Hing-wan. January 2006 (has links)
Thesis (Ph. D.)--University of Hong Kong, 200 . / Title proper from title frame. Also available in printed format.
4

Design and construction of a polarization modulated infrared reflection absorption spectrometer and validation with carbon monoxide adsorption on a platinum (100) surface

Winski, David Nathaniel. January 2009 (has links)
Thesis (M.Ch.E.)--University of Delaware, 2009. / Principal faculty advisor: Jochen A. Lauterbach, Dept. of Chemical Engineering. Includes bibliographical references.
5

Path-length determination of photons in mid-infrared diffuse reflection spectroscopy /

Averett, Lacey A. January 1900 (has links)
Thesis (Ph. D., Chemistry)--University of Idaho, December 2006. / Major professor: Peter R. Griffiths. Includes bibliographical references. Also available online (PDF file) by subscription or by purchasing the individual file.
6

Quantitative Analysen magmatischer Gesteine mittels reflexionsspektroskopischer Infrarot-Messungen /

Schodlok, Martin C. January 1900 (has links)
Thesis (doctoral)--Universität Potsdam, 2004. / "August 2004"--P. [2] of cover. Includes bibliographical references (p. 102-108). Also available via the World Wide Web.
7

Molecularly imprinted polymers towards a rational understanding of biomimetic materials /

Molinelli, Alexandra Lidia. January 2004 (has links) (PDF)
Thesis (Ph. D.)--Chemistry and Biochemistry, Georgia Institute of Technology, 2005. / Weck, Marcus, Committee Member ; Josowicz, Mira, Committee Member ; Janata, Jiri, Committee Member ; Mizaikoff, Boris, Committee Chair ; Huang, Ching-Hua, Committee Member. Includes bibliographical references.
8

Novel mononuclear ruthenium bishpenylcyanamide complexes - precursors to molecular switch.

Desjardins, Pierre January 1900 (has links)
Thesis (M. Sc.)--Carleton University, 1998. / Includes bibliographical references. Also available in electronic format on the Internet.
9

Study of chemically modified food proteins by vibrational spectroscopy /

Wong, Hing-wan. January 2006 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2007. / Also available online.
10

Measurement of properties of the lunar surface using the Diviner Lunar Radiometer experiment on the NASA Lunar Reconnaissance Orbiter

Thomas, Ian Richard January 2011 (has links)
The Diviner Lunar Radiometer is a nine-channel radiometer on board the Lunar Reconnaissance Orbiter, launched in June 2009 and currently orbiting the Moon. Diviner is the first orbiting multi-spectral instrument to observe the lunar surface in the mid- and far- infrared, therefore this thesis details the first steps towards utilising observations in this new spectral region. The author, as part of the Diviner instrument team, contributed to the pre-launch testing and calibration of Diviner. Specifically, the transmission profiles of the B2 and B3 filters, which could not be measured after integration into the instrument due to their long wavelength passbands, were determined. Further investigations of the far-infrared mesh filters were also conducted, as the spectral responses of similar mesh filters were found to have broadened after integration into the Mars Climate Sounder instrument, the pre-cursor instrument to Diviner. To test if this would occur in Diviner also, a new setup was made to approximately re-create the instruments' optical layout. No such spectral broadening was measured in the B1, B2 or B3 filters. The linearities of Diviner's detectors were also confirmed through analysis of the pre-flight calibration data. Laboratory emission spectra taken under ambient conditions differ from those taken in a lunar environment, which induces a temperature gradient in soil and mineral samples. Due to a lack of spectra measured under such conditions, which are directly comparable to Diviner‟s measurements, a new chamber for performing high-resolution emission measurements in a simulated lunar environment was built and calibrated. This setup induces a temperature gradient in each sample by heating it from below while it is surrounded by a cooled radiation shield, all enclosed in a very low pressure vacuum chamber. Lunar analogue minerals have been measured, first in reflectance, and then in simulated lunar conditions, forming the basis of a new lunar spectral library. The uses of the mid- and far-infrared have been described herein, utilising calibrated Diviner observations to: [1] map the temperatures of the lunar poles; [2] investigate regions containing higher than average abundances of rocks; and [3] determine the composition of regions of the lunar surface by combining observations with the new spectral library made during this project.

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