Academic literature on the topic 'Far-infrared spectra'

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Journal articles on the topic "Far-infrared spectra"

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Schade, Ulrich, Dawei Cao, Ljiljana Puskar, Eglof Ritter, and Jörg Beckmann. "Removal of Etalon Features in the Far-Infrared–Terahertz Transmittance Spectra of Thin Polymer Films." Applied Spectroscopy 74, no. 12 (2020): 1530–39. http://dx.doi.org/10.1177/0003702820922295.

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Etalon features in infrared spectra of stratified samples, their influence on the interpretation, and methods to circumvent their presence in infrared spectra have been in discussion for decades. This paper focuses on the application of a method originally developed to remove interference fringes in the mid-infrared spectra for far-infrared Fourier transform spectroscopy on thin polymer films. We show that the total transmittance reflectance technique, commonly used for mid-infrared, also works successfully in the far-infrared spectral range where other approaches fail. Experimental spectra ob
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Coveliers, B., W. K. Ahmed, A. Fayt, and H. Bürger. "Far-infrared spectra of DCCCN." Journal of Molecular Spectroscopy 156, no. 1 (1992): 77–88. http://dx.doi.org/10.1016/0022-2852(92)90094-5.

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Mookherjee, Mainak, Simon A. T. Redfern, and Ming Zhang. "Far-infrared spectra of ammonium layer and framework silicates." Neues Jahrbuch für Mineralogie - Monatshefte 2004, no. 1 (2004): 1–9. http://dx.doi.org/10.1127/0028-3649/2004/2004-0001.

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Siebenmorgen, R., P. Scicluna, and J. Krełowski. "Far-infrared emission of massive stars." Astronomy & Astrophysics 620 (November 23, 2018): A32. http://dx.doi.org/10.1051/0004-6361/201833546.

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We present results of the analysis of a sample of 22 stars of spectral types from O7 to B5 and luminosity classes I–V for which spectra from the Infrared Spectrograph (IRS) of Spitzer are available. The IRS spectra of these stars are examined for signs of excess infrared (IR) emission by comparison with stellar atmospheric spectra. We find that the spectra of half of the studied stars are dominated by excess emission in the far-IR, including all six super- and bright giants. In order to examine the origin of the far-IR excess, we supplement the Spitzer data with optical high-resolution echelle
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Campbell, Stephen, and Kristin M. Poduska. "Incorporating Far-Infrared Data into Carbonate Mineral Analyses." Minerals 10, no. 7 (2020): 628. http://dx.doi.org/10.3390/min10070628.

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Polycrystalline carbonate minerals (including calcite, Mg-calcite, and aragonite) can show distinctive variations in their far-infrared (FIR) spectra. We describe how to identify mixed-phase samples by correlating FIR spectral changes with mid-infrared spectra, X-ray diffraction data, and simple peak overlap simulations. Furthermore, we show how to distinguish portlandite-containing (Ca(OH) 2 ) mixtures that are common in heated calcium carbonate samples. Ultimately, these results could be used for tracking how minerals are formed and how they change during environmental exposure or processing
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Thomas, G. A., R. N. Bhatt, A. Millis, R. Cava, and E. Rietman. "Far-Infrared Spectra of Oxide Superconductors." Japanese Journal of Applied Physics 26, S3-2 (1987): 1001. http://dx.doi.org/10.7567/jjaps.26s3.1001.

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Gerbaux, Xavier, Armand Hadni, Masato Tazawa, and J. C. Villegier. "Far-infrared spectra of magnesium oxide." Applied Optics 33, no. 1 (1994): 57. http://dx.doi.org/10.1364/ao.33.000057.

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Calvani, P., S. Cunsolo, P. Maselli, and P. Postorino. "Far-infrared spectra ofN2-Ar alloys." Physical Review B 39, no. 12 (1989): 8622–27. http://dx.doi.org/10.1103/physrevb.39.8622.

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Thomas, G. A., H. K. Ng, A. J. Millis та ін. "Far-infrared spectra of polycrystallineBa2YCu3O9−δ". Physical Review B 36, № 1 (1987): 846–49. http://dx.doi.org/10.1103/physrevb.36.846.

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Gao, F., R. A. Lewis, X. L. Wag, and S. X. Dou. "Far Infrared Spectra of La1−xCaxMn0.9Li0.1O3." Journal of Physics: Conference Series 28 (January 1, 2006): 143–46. http://dx.doi.org/10.1088/1742-6596/28/1/031.

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Dissertations / Theses on the topic "Far-infrared spectra"

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Hietanen, Jorma. "Investigations on far infrared spectra of acetylenes." Oulu : University of Oulu, 1986. http://catalog.hathitrust.org/api/volumes/oclc/15356036.html.

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Wishnow, Edward Hyman. "Far-infrared absorption by liquid nitrogen and liquid oxygen." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25072.

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This thesis examines the collision induced, far-infrared absorption of homonuclear diatomic molecules. These molecular processes are relevant in the astrophysical environments of planetary atmospheres and galactic molecular clouds, and a brief survey of far-infrared measurements of these regions is presented. The theory of collision induced absorption by molecular rotational transitions is reviewed and a calculation is made of the quadrupolar induced, single rotational transition absorption line intensities of the nitrogen and oxygen molecules. The far-infrared absorption spectra of liquid nit
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Lee, Sung-Ik. "Far-infrared absorption of small metallic particles /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487261919113037.

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Jolma, Kalevi. "High resolution far infrared spectra of certain light linear three and four atomic molecules." Oulu : University of Oulu, 1985. http://catalog.hathitrust.org/api/volumes/oclc/15465428.html.

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Humpage, Neil. "Observing and modelling the impact of arctic and tropical cirrus clouds on far-infrared radiance spectra." Thesis, Imperial College London, 2010. http://hdl.handle.net/10044/1/5652.

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The work described in this thesis concerns the effect of cirrus clouds on far-infrared (FIR) radiance spectra. Though the importance of both FIR radiation and cirrus clouds to the Earth’s energy budget is well recognised, few high spectral resolution measurements have been made at FIR wavelengths to date. Observations taken during two diverse field campaigns, along with spectra simulated using a radiative transfer model, are used here to investi- gate the FIR signature of cirrus. The FIR observations presented are made using the TAFTS spectrometer, which measures spectral radiances from ei- th
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Kharroubi, Hassane. "Étude du pouvoir réflecteur de monocristaux uniaxes et biaxes dans l'infrarouge lointain." Nancy 1, 1994. http://www.theses.fr/1994NAN10108.

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L'étude du pouvoir réflecteur (r) et de la transmission (t) des milieux anisotropes et absorbants dans l'infrarouge lointain nous a conduit a présenter des expressions directement programmables des relations permettant la détermination des constantes optiques, l'indice de réfraction n et l'indice d'absorption k à partir des mesures expérimentales de r et de t. Nous avons établi les expressions des facteurs de réflexion et de transmission pour les deux polarisations possibles de l'onde, en fonction de l'angle d'incidence. L'étude est limitée au cas de la propagation d'une onde plane dans les pl
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Homes, Christopher C. "The far-infrared powder absorption spectra of bis-tetramethyltetraselenafulvalene salts [(TMTSF)₂X, X=(PF₆, AsF₆, SbF₆, BF₄, ClO₄ and ReO₄)]." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25891.

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The far-infrared powder absorption spectra from 20-250 cm⁻¹ have been examined in a series of six protonated and deuterated (TMTSF)₂X compounds, with X=PF₆, AsF₆ and SbF₆ (octahedral anions) and X=BF₄, ClO₄ and ReO₄ (tetrahedral anions) as a function of temperature from 10K to 290K . The octahedral-anion spectra are all very similar, having 4 sharp resonances which have been attributed to three lattice modes and one internal mode. These assignments were made on the basis of isotope shifts upon deuteration, and wave number temperature dependence. The intensity of the lines is roughly proportion
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Magnani, Federico. "Analysis of aircraft cirrus clouds spectral measurements." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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In questa tesi vengono descritte le proprietà dell’atmosfera terrestre nel lontano infrarosso (FIR) e il loro impatto climatico. Negli ultimi anni sempre più attenzione è stata posta nella ricerca in questo campo e sono stati sviluppati strumenti e metodi di analisi innovativi, come dimostrato dalla nascita della missione Far-infrared-Outgoing-Radiation Understanding and Monitoring (FORUM) che propone il lancio di un satellite attrezzato con strumenti FIR. Quasi il 45% dell’energia emessa dal pianeta è portata da onde nel FIR, attraverso il meccanismo del trasferimento radiativo: poichè l’atmo
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Fox, Cathryn. "Far-infrared spectral radiance studies : application to water vapour and cirrus." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/25752.

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This thesis presents the analysis of high-resolution spectral radiances recorded using the Imperial College Tropospheric Airborne Fourier Transform Spectrometer (TAFTS) instrument, which uniquely has the ability to record high resolution in-situ measurements, both up-welling and down-welling, in the far-infrared spectral region 80-800cm-1. The TAFTS data used in this work has been recorded during two diverse field campaigns, one ground-based, and one onboard the Facility for Airborne Atmospheric Measurements (FAAM) BAe-146 research aircraft. The far-infrared spectral region has been shown to h
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Juanola-Parramon, R. "A far-infrared spectro-spatial space interferometer : instrument simulator and testbed implementation." Thesis, University College London (University of London), 2014. http://discovery.ucl.ac.uk/1427371/.

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FIRI (Far Infrared Interferometer) is a concept for a spatial and spectral space interferometer with an operating wavelength range 25-300 μm and sub-arcsecond angular resolution, and is based on the combination of two well-known techniques, Stellar Interferometry and Fourier Transform Spectroscopy, to achieve high spectral and spatial resolution in the Far Infrared (Chapter 2). The resulting technique is called Double Fourier Spatio-Spectral Interferometry (Mariotti and Ridgway 1988). With increased spatial and spectral resolution a number of interesting science cases such as the formation and
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Books on the topic "Far-infrared spectra"

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Gezari, Daniel Y. Far infrared supplement: Catalog of infrared observations. 2nd ed. National Aeronautics and Space Administration, Scientific and Technical Information Division, 1988.

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United States. National Aeronautics and Space Administration., ed. Far-infrared emission line spectroscopy of planetary nebulae from the KAO: Final technical report for NASA airborne astronomy grant NAG 2-372. National Aeronautics and Space Administration, 1994.

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A, Harper D., and Ames Research Center, eds. Far-infrared observations of Sagittarius B2: Reconsideration of source structure. National Aeronautics and Space Administration, Ames Research Center, 1985.

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Thronson, Harley A. Far-infrared observations of Sagittarius B2: Reconsideration of source structure. National Aeronautics and Space Administration, Ames Research Center, 1985.

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A, Harper D., and Ames Research Center, eds. Far-infrared observations of Sagittarius B2: Reconsideration of source structure. National Aeronautics and Space Administration, Ames Research Center, 1985.

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United States. National Aeronautics and Space Administration., ed. UV extinction and IR emission in diffuse HII regions: Final technical report, August 15, 1991 - August 14, 1994. National Aeronautics and Space Administration, 1994.

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Juanola-Parramon, Roser. A Far-Infrared Spectro-Spatial Space Interferometer. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29400-1.

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George C. Marshall Space Flight Center., ed. Vehicle/atmosphere interaction glows: Far ultraviolet, visible, and infrared. National Aeronautics and Space Administration, Marshall Space Flight Center, 1999.

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Q, Ma, and United States. National Aeronautics and Space Administration., eds. Calculation of far wings of allowed spectra: The water continuum. National Aeronautics and Space Administration, 1995.

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United States. National Aeronautics and Space Administration, ed. Far-infrared spectral studies from the G.P. Kuiper Airborne Observatory: Final technical report. Center for Radiophysics and Space Research, Cornell University ; [Washington, D.C., 1986.

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Book chapters on the topic "Far-infrared spectra"

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Hasted, J. B. "Far Infrared Spectra of Biomolecules." In Energy Transfer Dynamics. Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-71867-0_19.

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Tanaka, Jiro, Michihiro Shimada, and Masaaki Shimizu. "Far Infrared Spectra of High Tc Cuprate Superconductor." In Advances in Superconductivity III. Springer Japan, 1991. http://dx.doi.org/10.1007/978-4-431-68141-0_40.

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Michaelian, Kirk H., Kelly L. Akers, Shuliang L. Zhang, Shmuel Yariv, and Isaak Lapides. "Far-Infrared Spectra of Kaolinite/Alkali Metal Halide Complexes." In Progress in Fourier Transform Spectroscopy. Springer Vienna, 1997. http://dx.doi.org/10.1007/978-3-7091-6840-0_35.

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Perova, Tatiana S. "Far-Infrared and Low-Frequency Raman Spectra of Condensed Media." In Advances in Chemical Physics. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470141465.ch5.

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Nagai, Y., T. Kunimoto, K. Nagasaka, et al. "Far infrared absorption spectra in ferromagnetic Ga1-x Mn x As." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59484-7_122.

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Choo, Jaebum, Nils T. Meinander, John R. Villarreal, and Jaan Laane. "Far-Infrared Spectra and Potential Energy Surface for 5,6-Dihydro-4H-thiopyran." In Progress in Fourier Transform Spectroscopy. Springer Vienna, 1997. http://dx.doi.org/10.1007/978-3-7091-6840-0_120.

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Codastefano, Paolo, Paolo Dore, and Luca Nencini. "Far Infrared Absorption Spectra in Gaseous Methane from 138 to 296 K." In Phenomena Induced by Intermolecular Interactions. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2511-6_7.

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Gaiduk, Vladimir I., and Boris M. Tseitlin. "Molecular Models for Calculation of Dielectric/Far-Infrared Spectra of Liquid Water." In Advances in Chemical Physics. John Wiley & Sons, Inc., 2004. http://dx.doi.org/10.1002/0471466603.ch2.

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Medina, A., J. M. M. Roco, A. Calvo Hernández, and S. Velasco. "Multipole — Induced Dipole Contributions to the Far-Infrared Spectra of Diatomic Molecules in Non-Polar Solvents." In Novel Approaches to the Structure and Dynamics of Liquids: Experiments, Theories and Simulations. Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-1-4020-2384-2_20.

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Sankaran, Sindhuja, Lav R. Khot, and Reza Ehsani. "Mid- and Far-infrared Imaging." In Imaging with Electromagnetic Spectrum. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54888-8_7.

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Conference papers on the topic "Far-infrared spectra"

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Maffei, Bruno, Nabila Aghanim, Jonathan Aumont, et al. "BISOU: a Balloon Interferometer for Spectral Observation of the primordial Universe." In Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII, edited by Jonas Zmuidzinas and Jian-Rong Gao. SPIE, 2024. http://dx.doi.org/10.1117/12.3018371.

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Townes, Charles H. "Far infrared spectra of galaxies." In International Conference on Millimeter and Submillimeter Waves and Applications 1994. SPIE, 1994. http://dx.doi.org/10.1117/12.2303020.

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Townes, Charles H., and Norbert Geis. "Far-infrared spectra of galaxies." In Millimeter and Submillimeter Waves and Applications: International Conference, edited by Mohammed N. Afsar. SPIE, 1994. http://dx.doi.org/10.1117/12.182988.

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Liang, Yue, Ziqiu Chen, Bowen Liu, and Brant Billinghurst. "THE FAR-INFRARED SPECTRA OF CYCLOPROPYLAMINE." In 2022 International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2022. http://dx.doi.org/10.15278/isms.2022.wf08.

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Durig, J. R., Wenyun Zhao, H. V. Phan, and T. S. Little. "Far Infrared Spectra Of The Haloacetyl Halides." In Intl Conf on Fourier and Computerized Infrared Spectroscopy, edited by David G. Cameron. SPIE, 1989. http://dx.doi.org/10.1117/12.969565.

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Johns, J. W. C. "Far Infrared Spectra Of Some Small Molecules." In 1986 Quebec Symposium, edited by Jerald A. R. Izatt. SPIE, 1986. http://dx.doi.org/10.1117/12.938832.

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Herman, Gregory S., and Gianluigi Bertelli. "Far infrared spectra of nonlinear optical crystals." In Photonics West '95, edited by Gregory J. Quarles, Leon Esterowitz, and Lap K. Cheng. SPIE, 1995. http://dx.doi.org/10.1117/12.206501.

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Blake, Geoffrey A. "Tunable far-infrared laser spectra of planar supersonic jets." In OSA Annual Meeting. Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.tha2.

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Hydrogen bonds are ubiquitous in nature. It is hardly surprising, therefore, that since their discovery over 70 years ago hydrogen bonds have aroused tremendous interest. The most direct route to the analysis of these bonds involves detection of their vibrational modes which occur in the far-infrared, a region long referred to as the gap in the electromagnetic spectrum. Indeed, unlike techniques at both longer and shorter wavelengths, tunable far-infrared spectroscopy is a very recent development. Previous work in this region was performed with line tunable lasers coupled with eigenstate tunin
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Stockman, Paul, Sakae Suzuki, and Geoffrey A. Blake. "Tunable Far-Infrared Laser Spectroscopy of Hydrogen Bonds." In High Resolution Spectroscopy. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/hrs.1993.mb4.

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Sub-Doppler far-infrared vibration-rotation-tunneling spectra of several water- and ammonia-containing clusters will be presented. Intermolecular potential energy surfaces derived from these spectra will also be discussed.
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Winnewisser, Manfred, Brant Billinghurst, Stephen Ross, Dennis Tokaryk, Frank De Lucia, and Brenda Winnewisser. "SYNCHROTRON RADIATION AND THE FAR-INFRARED AND MID-INFRARED SPECTRA OF NCNCS." In 69th International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2014. http://dx.doi.org/10.15278/isms.2014.rj13.

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Reports on the topic "Far-infrared spectra"

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Woods, K. N., and H. Wiedemann. The Influence of Chain Dynamics on the Far Infrared Spectrum of Liquid Methanol-Water Mixtures. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/878842.

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Woods, K. The Relationship Between Dynamics and Structure in the Far Infrared Absorption Spectrum of Liquid Water. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/839913.

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