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Tesis sobre el tema "Photoionization of gases Measurement"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 1 de febrero de 2022

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1

Hennessy, Michael Joseph. "Photoionization of gases in the Extreme Ultraviolet." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09SM/09smh515.pdf.

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2

Mah, Kelly Robert Lim. "Investigations of resonantly enhanced multiphoton ionizations of atomic mercury and potassium." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26451.

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Two investigations are reported on the application of resonantly enhanced multiphoton ionization (RMPI) to gaseous mixtures of an atomic vapor and a few Torr of argon. Photon fluxes large enough to ionize atoms by RMPI were produced by focussing down the light from a tunable pulsed dye laser. The irradiances generated were of the order of 500MWcm⁻². Ionization was detected by a voltage biased wire electrode that simply collected the photoelectrons either directly or after some gas multiplication. One investigation was the measurement of the dependence of RMPI processes in mercury on the polari

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3

Alexandridi, Christina-Anastasia. "Attosecond spectroscopy : study of the photoionization dynamics of atomic gases close to resonances." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS571/document.

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L'interaction des puissantes impulsions laser avec les gaz atomiques et moléculaires entraîne l’émission de flashs exceptionnellement brefs de lumière XUV grâce au processus de génération harmonique d'ordre élevé (GHOE) de la fréquence laser fondamentale. Ce rayonnement ultra-bref, dans la gamme attoseconde (10⁻¹⁸ s), permet des investigations détaillées de la dynamique électronique ultra-rapide dans la matière. Le travail de cette thèse consiste à étudier les délais de photoionisation au voisinage de différents types de résonances, en utilisant la technique Rainbow RABBIT. Il s'agit d'une tec

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4

Chatzipetros, Argyrios. "A simple model of above threshold ionization." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/42087.

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5

Drum, S. M. "The remote detection of gases using coherence measurement." Thesis, University of Southampton, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293132.

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6

Aliwell, Simon Richard. "Measurement of atmospheric trace gases by absorption spectroscopy." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388668.

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7

Adam, Nor Mariah. "Measurement of aerosol particles in buildings." Thesis, University of Nottingham, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294520.

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8

Panizza, M. P. "Analysis of complex integral photoelectron spectra /." Title page, contents and introduction only, 1985. http://web4.library.adelaide.edu.au/theses/09SM/09smp193.pdf.

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9

Briers, Michael Geoffrey. "Electrochemical transducers for the continuous measurement of blood gases." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314888.

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10

Mustafa, Merih. "Measurement and calculation of transport properties of polyatomic gases." Thesis, Imperial College London, 1988. http://hdl.handle.net/10044/1/47198.

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11

Birch, K. P. "The precise determination of refractometric parameters for atmospheric gases." Thesis, University of Southampton, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382966.

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12

Jun, Byung Soon. "Measurement of thermal accommodation coefficients of inert gas mixtures on a surface of stainless steel /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3025627.

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13

Kozlowski, Wojciech. "Competition between weak quantum measurement and many-body dynamics in ultracold bosonic gases." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:8da45dd9-27f9-42b6-8bae-8001d0154966.

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Trapping ultracold atoms in optical lattices enabled the study of strongly correlated phenomena in an environment that is far more controllable and tunable than what was possible in condensed matter. Here, we consider coupling these systems to quantised light where the quantum nature of both the optical and matter fields play equally important roles in order to push the boundaries of what is possible in ultracold atomic systems. We show that light can serve as a nondestructive probe of the quantum state of matter. By considering a global measurement we show that it is possible to distinguish a

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14

Stewart, David G. "Thermophysical properties of gases and gas mixtures for critical flow nozzle applications." Thesis, University of Strathclyde, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248763.

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15

Gessini, Paolo. "Measurement of the thrust generated by a hollow cathode with noble gases." Thesis, University of Southampton, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.427398.

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16

Fawcett, Beth. "Diode laser cavity ring down spectroscopy for the measurement of trace gases." Thesis, University of Bristol, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274627.

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17

Stacey, Blake (Blake C. ). "Relation of electron scattering cross-sections to drift measurement in noble gases." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/32904.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2005.<br>Includes bibliographical references (leaves 59-62).<br>We investigate the classic "inverse problem" of extracting collision and scattering cross sections from measurements of electron swarm behavior. A Monte Carlo technique for simulating electron motion through a gas of isotropic scatterers is presented, providing a simplified version of Biagi's MAGBOLTZ algorithm. Using this Monte Carlo software, we examine the thermalization of electron swarms, focusing on their drift velocity and informational entropy, providi

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18

Jimenez, Erick G. "Experimental apparatus for characterizing the methane-air combustion process." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/16775.

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19

Narayan, Shankar B. "Measurement of diffusion and adsorption in porous adsorbents." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=73968.

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20

Zhang, Jie. "Precision measurement of the refractive indices of the atmospheric gases with frequency combs." kostenfrei, 2008. http://www.opus.ub.uni-erlangen.de/opus/volltexte/2008/978/.

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21

Ganesan, Anita Lakshmi. "Quantifying emissions of greenhouse gases from South Asia through a targeted measurement campaign." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/82307.

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Thesis (Ph. D. in Climate Physics and Chemistry)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 161-167).<br>Methane (CH 4 ), nitrous oxide (N20) and sulfur hexafluoride (SF6) are powerful greenhouse gases with global budgets that are well-known but regional distributions that are not adequately constrained for the purposes of mitigation and policy initiatives. Quantifying emissions using inverse approaches at the national scale requires measurements that spec

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22

Rowan, Linda. "The measurement of the thermal conductivity of gaseous mixture using the transient hot wire technique." Thesis, University of Leeds, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252676.

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23

Bell, Robert M. "Mass flow and temperature measurements in the flue of a woodburning appliance." Thesis, This resource online, 1985. http://scholar.lib.vt.edu/theses/available/etd-07212009-040221/.

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24

Brunke, Richard R. "Evaluation of nitrogen losses in the form of ammonia from surface applied manure." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65379.

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25

Crawley, Louise Helen. "Application of Non-Dispersive Infrared (NDIR) Spectroscopy to the Measurement of Atmospheric Trace Gases." Thesis, University of Canterbury. Chemistry, 2008. http://hdl.handle.net/10092/2160.

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Gaseous pollutants have been an environmental concern since 1956, when the first clean air act was established in the United Kingdom. Monitoring of gaseous emissions is a legal requirement in most countries, and this has generated a large demand for inexpensive, portable, and versatile gas analysers for the measurement of gaseous emissions. Many of the current commercial gas analysers have differing advantages and disadvantages, however, high cost is an important factor. Instruments with low detection limits and the ability to measure multiple gases tend to be very expensive, whereas, single g

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26

Angerstein, Jeanette Louise. "A hemispherical acoustic resonator for the measurement of the speed of sound in gases." Thesis, University College London (University of London), 2000. http://discovery.ucl.ac.uk/1382240/.

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A hemispherical acoustic resonator is described which was designed and constructed for the measurement of the speed of sound in gases, at pressures up to 40 MPa and at temperatures in the range from 300 K to 400 K. The hemispherical geometry retains many of the advantages characteristic of the spherical geometry but affords a major advantage at high pressures because one of the transducers may be placed at a position of maximum acoustic density for the radial modes and so loss of signal strength is minimised. A detailed description is given of the resonator and pressure vessel, the thermostat

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27

Mazzucchi, Gabriel. "Conditional many-body dynamics and quantum control of ultracold fermions and bosons in optical lattices coupled to quantized light." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:6c6eddac-41de-476d-851e-6630907965e6.

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We study the atom-light interaction in the fully quantum regime, with the focus on off-resonant light scattering into a cavity from ultracold atoms trapped in an optical lattice. Because of the global coupling between the atoms and the light modes, observing the photons leaking from the cavity allows the quantum nondemolition (QND) measurement of quantum correlations of the atomic ensemble, distinguishing between different quantum states. Moreover, the detection of the photons perturbs the quantum state of the atoms via the so-called measurement backaction. This effect constitutes an unusual a

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28

Mathieu, Nathalie. "A study of atmospheric properties and their impact on the use of the nocturnal boundary layer budget technique for trace gas measurement /." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82291.

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While most micrometeorological measurement techniques are only suitable for windy conditions, the Nocturnal Boundary Layer Technique can be used to measure trace gas flux during calm, clear nights as the nighttime stability enables gas emitted at the ground to accumulate. The difference between two measurements over the whole depth of this layer is believed to integrate emissions from a large area representative of, in this study, an agricultural farm. A tethersonde and infrared gas analyzer attached to a blimp carrying a bag sampling system monitored atmospheric variables for each asce

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29

Hartmann, Gregor [Verfasser], Uwe [Akademischer Betreuer] Becker, Thomas [Akademischer Betreuer] Möller, and Jens [Akademischer Betreuer] Viefhaus. "Coherence effects of diatomic homonuclear molecules and sequential two-photon processes of noble gases in the photoionization / Gregor Hartmann. Gutachter: Thomas Möller ; Jens Viefhaus. Betreuer: Uwe Becker." Berlin : Technische Universität Berlin, 2014. http://d-nb.info/1065669879/34.

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30

Galambos, James Paul. "Measurement of the internal toroidal magnetic field on the helicity injected tokamak using the transient internal probe /." Thesis, Connect to this title online; UW restricted, 1996. http://hdl.handle.net/1773/10674.

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31

Roos, Andreas. "Single photon double valence ionization of methyl monohalides." Thesis, Uppsala universitet, Molekyl- och kondenserade materiens fysik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-239195.

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This thesis is based on experimental results from measurements on methyl halides at a photon energy corresponding to the He IIβ emission line. Double ionization processes involving the valence electrons of the molecules CH3F, CH3Cl and CH3I are studied by means of a magnetic bottle TOF-PEPECO spectrometer. Resulting double ionization data of these molecules suggest that mainly direct double photoionization is observed as a continuous energy sharing between the ejected electron pairs. As a mean to further understand the double ionization processes, a "rule of thumb", for double ionization in mo

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32

Lindsay, Clifford Fry. "The Measurement of Decomposition Products of Select Gases as an Indicator of a Concealed Mine Fire." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/51091.

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Currently, techniques used to determine whether or not there is a concealed fire in an inaccessible area of a coal mine are not definitive. Inaccessible areas of coal mines include: 1. A mined-out area, such as a long-wall gob. 2. A mine area, or entire mine, that has been sealed to extinguish a fire. 3. The interior of pillars in a mine. 4. Abandoned mines. Mined-out areas — gobs — are particularly problematic. The standard practice is to obtain measurements for certain gas concentrations from an inaccessible area, and to apply certain rules to the obtained concentrations in order

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33

Chapanian, Rafi. "Study of accumulation of gases in vacuum systems: Measurement of gas transport properties of polymeric films." Thesis, University of Ottawa (Canada), 2004. http://hdl.handle.net/10393/26598.

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In this thesis we have proven that the resistance to accumulation of gases in vacuum tubes is not always negligible. The process of accumulation was described using the Fick's second law of diffusion. The diffusion coefficient was assumed constant and evaluated, depending on pressure, considering Knudsen diffusion, molecular diffusion, or a combination of them. Experimental system with tubes of different lengths and diameters was built and equipped with two high sensitivity pressure transducers to measure the dynamic pressure difference along the system during gas flow experiments. Two cases w

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34

Gordon, Robert J. (Robert James) 1940. "Field estimates of ammonia volatilization from swine manure by a simple micrometeorological technique." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63905.

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35

Bates, Ian. "Identification of nonlinear processes in space plasma turbulence." Thesis, University of Sheffield, 2003. http://etheses.whiterose.ac.uk/15136/.

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Frequency domain analysis tools have been developed to analyse simultaneous multi-point measurements of developed space plasma turbulence. The Coherence Length technique enables the scale length for plasma wave structures to be measured from magnetic field measurements. The coherence length defines a length scale for the measurement of wave phenomena. Single satellite measurements can be used, the technique becoming more reliable with higher numbers of satellites. The technique is used to identify coherence lengths for waves observed in the magnetic field near the bow shock by the dual AMPTE-U

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36

Geibel, Marc Christoph [Verfasser], Wolfgang [Akademischer Betreuer] Weigand, and Christoph [Akademischer Betreuer] Gerbig. "Measurement of climate-relevant trace gases via infrared spectroscopy / Marc Christoph Geibel. Gutachter: Wolfgang Weigand ; Christoph Gerbig." Jena : Thüringer Universitäts- und Landesbibliothek Jena, 2011. http://d-nb.info/1016620160/34.

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37

Kim, Ki-Yong. "Measurement of ultrafast dynamics in the interaction of intense laser pulses with gases, atomic clusters, and plasmas." College Park, Md. : University of Maryland, 2003. http://hdl.handle.net/1903/93.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2003.<br>Thesis research directed by: Physics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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38

Wolff, Mareile A. "Development of a novel balloon-borne optical sonde for the measurement of ozone and other stratospheric trace gases." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=979701732.

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39

Lewis, Kristin A. "Development of a dual-wavelength photoacoustic instrument for measurement of light absorption and scattering by aerosol and gases." abstract and full text PDF (free order & download UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3258842.

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40

Sampaio, Carlos Augusto de Paiva. "Caracterização dos ambientes termico, aereo e acustico em sistemas de produção de suinos, nas fases de creche e terminação." [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/257238.

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Orientador: Irenilza de Alencar Naas<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agricola<br>Made available in DSpace on 2018-08-04T02:45:00Z (GMT). No. of bitstreams: 1 Sampaio_CarlosAugustodePaiva_D.pdf: 1948134 bytes, checksum: b2e69a6cda73b5e8d5079c6d3b0df732 (MD5) Previous issue date: 2004<br>Resumo: Emissão e concentração de aerossóis, gases e vapores provenientes do confinamento de animais causam danos à atmosfera, ao ambiente, ao homem e aos animais e às estruturas das instalações. Os contaminantes aéreos possuem efeito negativo sobre a saúde e pr

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41

Doshi, Viral V. "MEASUREMENT OF ALGAL GROWTH RATE BETWEEN HARVESTS IN AN ARTIFICIALLY LIT PHOTOBIOREACTOR UNDER FLUE GAS CONDITIONS." Ohio University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1164057276.

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42

Suleiman, David. "Measurement and prediction of phase equilibrium properties at infinite dilution : alkanes in natural gases and organic solvents in aqueous solutions." Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/10270.

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43

Combs, Roger J. "Gaseous diffusion in liquids." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/76484.

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Diffusivity of nonreactive gases in liquids provides a means of interpreting structure in the liquid state. Structural models of the liquid state include Hildebrand's condensed gas model and Eyring's pseudo-lattice model. The former model predicts a linear dependence of diffusivity with temperature while the latter model predicts linear dependence of log(D) versus 1/T. The limited temperature dependent diffusivity data to date with a typical precision of ± 5% do not permit distinguishing which temperature dependence is more linear. However, the present investigation shows that diffusivities of

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44

Sanches, Vivian Leme. "Remediação de solos da formação São Paulo contaminados por vapores de gasolina." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/3/3147/tde-15092009-161203/.

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O presente trabalho teve por objetivo apresentar e discutir um caso de identificação e remediação emergencial de compostos orgânicos voláteis, oclusos em camada arenosa do Terciário da Formação São Paulo, em decorrência do vazamento de tanques de combustíveis de um posto de serviços. A técnica de remediação adotada para o caso consistiu na extração in situ dos vapores do solo e no tratamento dos mesmos por adsorção em filtros de carvão ativado (SVE - soil vapor extraction). Os processos de seleção, projeto, implantação, operação e descomissionamento da tecnologia SVE seguiram as metodologias i

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45

Estellés, Barber Fernando. "Development and evaluation of methods for the measurement of airborne emissions form animal houses." Doctoral thesis, Universitat Politècnica de València, 2010. http://hdl.handle.net/10251/9036.

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Airborne emissions from livestock production are nowadays one of the major concerns of this activity. For this reason, the reduction of these emissions is a requirement in many countries. The development of abatement techniques for the reduction of emissions needs for accurate knowledge about their magnitude. Emission measurement techniques arise then as a key issue. The development of measurement techniques considering not only the accuracy of the results but also the optimization of resources is needed. In this sense, in this thesis a tool and three options for the rationalization on the use

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46

Radney, James Gregory. "Development of a Nephelometry Camera and Humidity Controlled Cavity Ring-Down Transmissometer for the Measurement of Aerosol Optical Properties." PDXScholar, 2012. https://pdxscholar.library.pdx.edu/open_access_etds/907.

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A Nephelometry camera (NephCam) and Humidity Controlled Cavity Ring-Down Transmissometer (HC-CRDT) were developed for the determination of aerosol optical properties. The NephCams use a reciprocal geometry relative to an integrating nephelometer; a diode laser illuminates a scattering volume orthogonal to a charge coupled device (CCD). The use of a CCD allows for measurement of aerosol scattering in 2 dimensions; scattering coefficients and size information can be extracted. The NephCam's optics were characterized during a set of imaging experiments to optimize the images collected by the came

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47

Aguilar, Gallardo Orlando Alexis. "Measurement and control of greenhouse gas emissions from beef cattle feedlots." Diss., Kansas State University, 2012. http://hdl.handle.net/2097/15167.

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Doctor of Philosophy<br>Department of Biological and Agricultural Engineering<br>Ronaldo Maghirang<br>Emission of greenhouse gases (GHGs), including nitrous oxide (N2O), methane (CH4), and carbon dioxide (CO2), from open beef cattle feedlots is becoming an environmental concern; however, scientific information on emissions and abatement measures for feedlots is limited. This research was conducted to quantify GHG emissions from feedlots and evaluate abatement measures for mitigating emissions. Specific objectives were to: (1) measure N2O emissions from the pens in a commercial cattle feedlot;

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48

Teama, Doaa Galal Mohammed. "A 30-Year Record of the Isotopic Composition of Atmospheric Methane." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/642.

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Methane (CH4) is one of the most important greenhouse gases after water vapor and carbon dioxide due to its high concentration and global warming potential 25 times than that of CO2 (based on a 100 year time horizon). Its atmospheric concentration has more than doubled from the preindustrial era due to anthropogenic activities such as rice cultivation, biomass burning, and fossil fuel production. However, the rate of increase of atmospheric CH4 (or the growth rate) slowed from 1980 until present. The main reason for this trend is a slowdown in the trend of CH4 sources. Measuring stable isotope

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49

Wolff, Mareile. "Development of a novel balloon-borne optical sonde for the measurement of ozone and other stratopheric trace gases = Entwicklung einer ballongestützten optischen Sonde zur Messung von Ozon und anderen stratosphärischen Spurengasen /." Bremerhaven : Alfred-Wegener-Institut für Polar- und Meeresforschung, 2007. http://www.loc.gov/catdir/toc/fy0711/2007425447.html.

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50

Wolff, Mareile. "Development of a novel balloon-borne optical sonde for the measurement of ozone and other stratospheric trace gases = Entwicklung einer ballongestützten optischen Sonde zur Messung von Ozon und anderen stratosphärischen Spurengasen /." Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung, 2007. http://www.loc.gov/catdir/toc/fy0711/2007425447.html.

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