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Dissertations / Theses on the topic 'Spectroscopy in the near infrared'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Summerfield, Stephen. "Near infrared fluorescence spectroscopy." Thesis, Loughborough University, 1993. https://dspace.lboro.ac.uk/2134/10601.

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Fluorimetry in the very near infrared region ca. 600-1000nm is a new approach to photochemical analysis. The advantages include greatly reduced background fluorescence signals from important sample matrices (such as blood serum), reduced scattering, and reduced probability of sample decomposition. Also, the availability of low cost, efficient, stable and robust optical components (e.g. laser diodes and light emitting diodes), solid state detectors (e.g. single silicon photodiodes and diode arrays) and fibre optics, allows the construction of an inexpensive fluorimeter. In the near infrared reg

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2

Wruck, Eric Michael. "Applying near-infrared spectroscopy (nirs)." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2386.

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Over recent decades, much has been learned about the perceptual capacity that enables infants to recognize and understand language. However, not until very recently have the neural mechanisms that are the substance of language learning been investigated. A recently developed optical imaging technique called near-infrared spectroscopy (NIRS) shows promise for being an acceptable alternative to invasive imaging techniques. NIRS measures correlates of neural activity by assessing hemoglobin concentration changes in the infant brain. The research presented here investigates neural activation in th

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3

Ennico, Kimberly Ann. "Near infrared faint object spectroscopy." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.625052.

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4

Angus, Caroline. "Near infrared spectroscopy and exercise." Thesis, University of Essex, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274298.

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5

Prestwich, Andrea Heather. "Near infrared spectroscopy of galaxies." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47622.

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6

Williams, David James. "Near infrared spectroscopy in cerebrovascular disease." Thesis, University of Bath, 2002. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.426180.

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7

Casselgren, Johan. "Road surface classification using near infrared spectroscopy." Licentiate thesis, Luleå : Luleå University of Technology, 2007. http://epubl.ltu.se/1402-1757/2007/42/LTU-LIC-0742-SE.pdf.

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8

Kelly, Douglas Michael. "Near-infrared spectroscopy as an astrophysical tool." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/185983.

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Recent improvements in infrared detector arrays make it possible for the first time to conduct detailed spectroscopic studies of a complete range of objects in the 0.9-1.35 μm region. In this dissertation, I examine the 0.9-1.35 μm spectra of planetary and proto-planetary nebulae, M dwarfs, young stellar objects, Seyfert galaxies, an H II region, and a Wolf-Rayet star. Line identifications are made for each of these objects, and extensive line lists are presented. I also investigate what the lines can tell us about each object. The 0.9-1.35 μm spectrum of the proto-planetary nebula AFGL 618 is

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9

Gresham, Christopher Allen 1965. "Near-infrared spectroscopy utilizing array detector technology." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282690.

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A near-infrared spectrometer incorporating solid-state design applicable for industrial quantitative/qualitative process monitoring analysis is presented. The solid-state near-infrared spectrometer provides inherent wavelength stability necessary for long term calibration accuracy. The spectrometer consists of a 24 volt, 10 watt quartz-halogen-tungsten regulated source with optical feedback. Wavelength dispersion was accomplished using a 50 μm entrance slit, f/4, 0.25 meter spectrograph equipped with astigmatism correcting toroidal mirrors and a 300 gr/mm plane reflectance ruled grating blazed

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10

Todd, Stephen Peter. "Near-infrared integral field spectroscopy with UIST." Thesis, University of Edinburgh, 2004. http://hdl.handle.net/1842/27542.

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UIST is a facility class near-infrared imager and spectrometer, built at the UK Astronomy Technology Centre (UKATC) in Edinburgh, and now in use at the UK Infrared Telescope (UKIRT). UIST operates at wavelengths of 1-5 μm, providing a variety of imaging and spectrometry modes. UIST is the first instrument to include a cryogenic deployable integral field unit (IFU), allowing integral field spectroscopy to be carried out over a 3.3 x 6.0 arcsec field of view using any of the grisms available for spectroscopy in UIST. The optical components of the image slicing IFU were tested and aligned on the

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11

Miller, Charles Edward. "Analysis of synthetic polymers by near-infrared spectroscopy /." Thesis, Connect to this title online; UW restricted, 1989. http://hdl.handle.net/1773/11580.

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12

Howard, Daryl L., and n/a. "Hydrogen bonding in the near infrared." University of Otago. Department of Chemistry, 2006. http://adt.otago.ac.nz./public/adt-NZDU20060823.150321.

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OH-stretching spectra of various vapour phase species were recorded to investigate hydrogen bonding. The species studied include 1,2-ethanediol, 1,3-propanediol, 1,4-butanediol, acetylacetone, hexafluoroacetylacetone and the complex formed in the heterogeneous mixture of methanol and trimethylamine. The spectra range from the infrared, near infrared to visible wavelengths. The main focus of this study is in the near infrared region, in which the OH-stretching overtones are dominant. The near infrared and visible spectrum of formic acid has been recorded to investigate coupling across bonds,

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13

Taylor, Helen Ruth, University of Western Sydney, and School of Food Sciences. "The evaluation of wort by near infrared spectroscopy." THESIS_FFS_XXX_Taylor_H.xml, 2001. http://handle.uws.edu.au:8081/1959.7/748.

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Near infrared spectroscopy (NIS) has been used routinely for many years for the measurement of grain protein and moisture in plant breeding programmes. Investigation as to the applicability of NIS to the identification from a barley breeding programme of the progeny with high malting quality potential was carried out over several harvests. The project concentrated on the determination of correlations between Hot Water Extract, Total Soluble Nitrogen, and Free Alpha Amino Nitrogen contents of worts (the extract of malt used to make beer) and NIR transmission data using the multivariate method o

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14

Taylor, Helen Ruth. "The evaluation of wort by near infrared spectroscopy /." View thesis, 2001. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030717.141010/index.html.

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Thesis (M.Sc. (Hons.)) -- University of Western Sydney, 2001.<br>"A thesis submitted in partial fulfilment of the requirements for the degree of Master of Science (Honours), University of Western Sydney, Hawkesbury" Bibliography : leaves 60-66.

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15

Bashir, Zareen. "Applications of near infrared spectroscopy in cerebral monitoring." Thesis, University of Manchester, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488409.

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16

Assi, Sulaf. "Identification of counterfeit medicines by near-infrared spectroscopy." Thesis, University of London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.528237.

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17

鄧勇軍 and Yung-kwan Tang. "Application of near-infrared spectroscopy in food compositionanalysis." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31219962.

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18

Abebe, Solomon Befekadu. "Monitoring batch crystallisation processes using near infrared spectroscopy." Thesis, University of Leeds, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.446057.

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19

Vaidyanathan, Seetharaman. "Monitoring submerged mycelial bioprocesses using near-infrared spectroscopy." Thesis, University of Strathclyde, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248359.

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20

Sockalingum, Dhruvananda. "Surface enhanced Raman spectroscopy in the near-infrared." Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315640.

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21

Cowley, Richard D. "The clinical applications of near infrared spectroscopy (NIRS)." Thesis, University of Manchester, 2003. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488355.

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22

Samamad, Nancy Taera Ibraimo. "Cashew apple quality by near infrared spectroscopy technique." Universidade Federal de Viçosa, 2016. http://www.locus.ufv.br/handle/123456789/8350.

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Submitted by Reginaldo Soares de Freitas (reginaldo.freitas@ufv.br) on 2016-08-17T18:47:10Z No. of bitstreams: 1 texto completo.pdf: 1087445 bytes, checksum: 5455e17b910bc123ebaf158d92ef3bce (MD5)<br>Made available in DSpace on 2016-08-17T18:47:10Z (GMT). No. of bitstreams: 1 texto completo.pdf: 1087445 bytes, checksum: 5455e17b910bc123ebaf158d92ef3bce (MD5) Previous issue date: 2016-03-08<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>O cajueiro (Anacardium occidentale L.) é uma planta de grande importância econômica para o Nordeste brasileiro, pela diversidade de pro

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23

Pedrosa, Elisabete Trindade. "Near-infrared spectroscopy for estimating soil burn severity." Master's thesis, Universidade de Aveiro, 2012. http://hdl.handle.net/10773/10708.

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Mestrado em Estudos Ambientais<br>Forest fires are a natural phenomenon and occurred long before human kind was around, serving important ecosystem functions. In the past decades, however, some parts of the world have seen marked increases in the frequency and spatial extent of wildfires. This includes Portugal, where forest fires have, on average, affected 100.000 ha of rural lands per year since the mid1970s. In general, the direct and indirect effects of fires depend strongly on the temperatures to which vegetation and soil are exposed. In the case of wildfires – as opposed to prescribed b

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24

Ranasinghe, Pathirajage Sanjeewa Rasika K. "Nocturnal hypoglycemic alarm based on near-infrared spectroscopy." Diss., University of Iowa, 2014. https://ir.uiowa.edu/etd/4731.

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Noninvasive glucose monitoring has been the subject of considerable research because of the high number of diabetes patients who must monitor their glucose levels daily by taking blood samples. Among methods being evaluated for possible use in this application, near-infrared (NIR) spectroscopy has received significant attention because of available glucose absorption bands that can be observed in the presence of the large aqueous background found in tissue spectra. The objective of the research presented here is to evaluate the potential for implementing a noninvasive nocturnal hypoglycemic al

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25

Torres, Daniel André Gonçalves. "Feasibility of near infrared spectroscopy in stroke patients." Master's thesis, Universidade da Beira Interior, 2012. http://hdl.handle.net/10400.6/1067.

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Introduction Stroke is the main cause of death in Portugal. It is a severe pathology with a sudden onset and with a very high demand in both time and money from the families of the affected patients and from health organizations and social services. Inexpensive and practical diagnostic tools that will assist in early detection and treatment are the source of numerous studies. The physiology behind a stroke is a sudden ischemic event in the brain. Near infrared spectroscopy (NIRS) is a non-invasive mean of measuring cerebral perfusion in real time. Due to its rapid and recent developmen

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26

Ding, Haibiao. "Application of near infrared spectroscopy in meat quality assessment /." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21021296.

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27

Tang, Yung-kwan. "Application of near-infrared spectroscopy in food composition analysis /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1973766X.

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28

Balkenhol, Michelle Rose. "Visible and near infrared reflectance spectroscopy of irregular solids /." Thesis, Connect to this title online; UW restricted, 1992. http://hdl.handle.net/1773/8493.

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29

丁海標 and Haibiao Ding. "Application of near infrared spectroscopy in meat quality assessment." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31238403.

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30

Sayita, Yusuf. "Classification Of Migraineurs Using Functional Near Infrared Spectroscopy Data." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614184/index.pdf.

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Classification of migraineur and healthy subjects using statistical pattern classifiers on functional Near Infrared Spectroscopy (NIRS) data is the main purpose of this study. Also a statistical comparison between trials that have different type of classifiers, classifier settings and feature sets is done. Features are extracted from raw light measurement data acquired with NIRS device, namely Niroxcope, during two separate previous studies, using Modified Beer-Lambert Law. After feature extraction, Na&iuml<br>ve Bayes classifier and k Nearest Neighbor classifier are utilized with and with-out

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31

Shadgan, Babak. "Monitoring of skeletal muscle ischemia using near infrared spectroscopy." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/32630.

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Early diagnosis of acute limb muscle ischemia (LMI) is essential in order to avoid serious, irreversible local and systemic complications resulting in loss of the limb or even death. To date, techniques for monitoring LMI are limited by lack of a feasible and reliable monitoring method. Purpose: The main purposes of this thesis were to examine the feasibility and convergent validity of conventional and wireless near infrared spectroscopy (NIRS) for continuous monitoring of skeletal muscle oxygenation and hemodynamics during transient and long-term LMI and to investigate the predictive value of

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32

Mayfield, Angela Raye. "Characterization of textile materials by near-infrared relectance spectroscopy." Thesis, Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/8616.

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33

Esteve, Agelet Lidia. "Permeation studies of PVC pipes with near infrared spectroscopy." [Ames, Iowa : Iowa State University], 2006.

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34

Persson, Jan. "Stream monitoring using near-infrared spectroscopy of epilithic material." Licentiate thesis, Umeå : Ecology and Environmental Science, Umeå University, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1154.

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35

Howell, Ellen Susanna. "Probing asteroid composition using visible and near-infrared spectroscopy." Diss., The University of Arizona, 1995. http://hdl.handle.net/10150/187372.

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The compositional distribution of asteroids provides clues to understanding solar system formation and evolutionary processes in the asteroid belt. The surface mineralogy and distribution of volatiles on asteroids is determined using visible and near-infrared spectroscopy. A revised asteroid taxonomy is developed which incorporates compositional information from the near-infrared asteroid spectra. A search is conducted for organic compounds on distant asteroids, thought to be most volatile-rich in composition. Our near-infrared spectroscopy of outer belt asteroids shows a trend of increasing r

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36

Manley, Marena. "Wheat hardness by near infrared (NIR) spectroscopy : new insights." Thesis, University of Plymouth, 1995. http://hdl.handle.net/10026.1/2542.

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The determination of wheat hardness by the evaluation of whole wheat grain would be of considerable value to the UK Milling Industry. Until now, accurate whole wheat grain hardness predictions by NIR spectroscopy have only been reported for North American wheats. By the evaluation of selected samples of UK and North American wheats this study showed that the prediction of whole wheat grain hardness by NTR spectroscopy depends only on the scattering properties of the sample and that there is no direct relationship with chemical composition. The scattering effect, in case of whole wheat grain re

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37

Lister, Susan Jane. "Determination of silage composition using near infrared reflectance spectroscopy." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260701.

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38

Yeung, Ken Shu Ying. "Near infrared spectroscopy technique for bioprocess monitoring and control." Thesis, University College London (University of London), 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286892.

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39

Germon, Timothy John. "The validation of cerebral near infrared spectroscopy in adults." Thesis, University of Bristol, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299334.

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40

Wetterlind, Johanna. "Improved farm soil mapping using near infrared reflection spectroscopy." Uppsala : Dept. of Soil and Environment, Swedish University of Agricultural Sciences, 2009. http://epsilon.slu.se/200968.pdf.

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41

Montes, Juan Manuel. "Application of near-infrared spectroscopy in plant breeding programs." [S.l. : s.n.], 2006. http://nbn-resolving.de/urn:nbn:de:bsz:100-opus-1735.

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42

Barker, Tom. "The military applications of near infrared spectroscopy in trauma." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6732/.

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This work examines tissue oxygenation (StO2), as measured by near infrared spectroscopy (NIRS), as tool for assessing trauma patients, with particular emphasis on its use in the deployed military environment. Resting StO2 values were examined and found to vary significantly between monitoring sites. Exercise was associated with a significant increase in StO2. Comparing the sensitivities of different NIRS monitoring sites in detecting simulated hypovolaemia, the forearm and deltoid were found be the most sensitive sites. The thenar eminence and brain were not sensitive to mild degrees of hypovo

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43

Klesman, Alison J. (Alison June) 1981. "Comet-asteroid differentiation using visible and near-infrared spectroscopy." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28610.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2004.<br>Includes bibliographical references (leaves 40-42).<br>Comets have historically been defined as objects that experience the formation of a "head" (coma) or "tail" as ice and other volatiles that comprise their chemical makeup vaporize when they near the sun. Comets can lose this ability to form a coma or tail, however, through a variety of dynamical processes, creating objects that could chemically be comets but that do not fit the traditional definition. Thus, a new challenge ha

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44

Molavi, Behnam. "Near infrared spectroscopy : novel signal processing methods and applications." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/45353.

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Oxygen is a critical component in living organisms and its concentration in tissue is an important parameter indicative of tissue metabolism, level of activity and health condition. As a result, measuring oxygen concentration in the tissue is essential in many clinical and research applications. Near Infrared Spectroscopy (NIRS) is a non invasive method of measuring tissue oxygenation using diffusion of light in the tissue. NIRS as a safe, non invasive and low cost monitoring technology has been used in a wide range of applications including monitoring muscle and brain oxygenation, brain com

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45

Alfeeli, Bassam. "Miniature gas sensing device based on near-infrared spectroscopy." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/35911.

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The identification and quantification of atoms, molecules, or ions concentrations in gaseous samples are in great demand for medical, environmental, industrial, law enforcement and national security applications. These applications require in situ, high-resolution, non-destructive, sensitive, miniature, inexpensive, rapid detection, remotely accessed, real time and continuously operating chemical sensing devices. The aim of this work is to design a miniature optical sensing device that is capable of detecting and measuring chemical species, compatible with being integrated into a large variety

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46

Kopicky, Stephen Edward. "The Use of Near Infrared Spectroscopy in Rubber Quantification." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1406122474.

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47

Hobson, Mélissa J. "Exoplanet detection around M dwarfs with near infrared and visible spectroscopy." Thesis, Aix-Marseille, 2019. http://theses.univ-amu.fr.lama.univ-amu.fr/191008_HOBSON_772b933qvb68s859flllx_TH.pdf.

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L'exoplanètologie commence à s’intéresser aux naines M afin de détecter et caractériser des planètes. Ces étoiles sont les plus communes; leur petite taille facilite la détection de petites planètes; et les planètes dans la zone habitable sont plus faciles à détecter grâce à leur proximité à l'étoile. La population émergente de planètes de naines M montre des caractéristiques intrigantes par rapport à celle des étoiles FGK. Cette thèse a pour but explorer la détection de planètes de naines M par vitesses radiales visibles et proche infrarouges. J'ai aussi analysé la population de planètes de n

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48

Mayes, David M. "Applications of a photodiode array spectrophotometer for the short wavelength near-infrared region (700-1100 nm) /." Thesis, Connect to this title online; UW restricted, 1990. http://hdl.handle.net/1773/11567.

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49

Öztürk, Betül Özerdem Durmuş. "Monitoring the esterification reactions of carboxylic acids with alcohols using near-infrared spectrocopy and multivariate calibration methods/." [s.l.]: [s.n.], 2003. http://library.iyte.edu.tr/tezler/master/kimya/T000277.pdf.

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50

Singh, Baljinder. "Visible and near-infrared spectroscopic analysis of potatoes." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84074.

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The potential of different spectroscopic techniques for evaluating potato (Solanum tuberosum L.) quality was investigated. Spectral data in the wavelength range of 400-1750 nm were used to develop quality prediction models. The Partial Least Squares (PLS) regression was used for predicting the water content in potato samples. Water content was predicted with R2 ≥ 0.938.<br>A further study was conducted to find the best wavelengths for predicting water content using two methods, PLS and multiple linear regression. Wavelength ranges of 910-1020, 1129-1211, 1363-1403 nm were selected for s

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