Academic literature on the topic 'Ozone detection'

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Journal articles on the topic "Ozone detection"

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Noll, K. S., R. E. Johnson, A. L. Lane, D. L. Domingue, and H. A. Weaver. "Detection of Ozone on Ganymede." Science 273, no. 5273 (July 19, 1996): 341–43. http://dx.doi.org/10.1126/science.273.5273.341.

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Knake, René, and Peter C. Hauser. "Sensitive electrochemical detection of ozone." Analytica Chimica Acta 459, no. 2 (May 2002): 199–207. http://dx.doi.org/10.1016/s0003-2670(02)00121-6.

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Mott, P. H., and C. M. Roland. "Ozone Detection by Crack-Induced Opacity in Rubber." Rubber Chemistry and Technology 72, no. 4 (September 1, 1999): 769–78. http://dx.doi.org/10.5254/1.3538833.

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Abstract Initially transparent polybutadiene develops micron-sized surface cracks when stretched and exposed to ozone. The consequent reduction in the transparency of the rubber provides a facile method for quantifying the ambient ozone concentration. The rate at which opacity develops is linearly dependent on the amount of ozone, and increases with increasing strain. This method of detecting atmospheric ozone has high sensitivity (1 ppb), a broad dynamic range, and is unaffected by the presence of other chemicals. The surface morphology of exposed material can be interpreted in terms of crack nucleation and growth.
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Olsen, K. S., F. Lefèvre, F. Montmessin, A. Trokhimovskiy, L. Baggio, A. Fedorova, J. Alday, et al. "First detection of ozone in the mid-infrared at Mars: implications for methane detection." Astronomy & Astrophysics 639 (July 2020): A141. http://dx.doi.org/10.1051/0004-6361/202038125.

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Aims. The ExoMars Trace Gas Orbiter was sent to Mars in March 2016 to search for trace gases diagnostic of active geological or biogenic processes. Methods. We report the first observation of the spectral features of Martian ozone (O3) in the mid-infrared range using the Atmospheric Chemistry Suite Mid-InfaRed (MIR) channel, a cross-dispersion spectrometer operating in solar occultation mode with the finest spectral resolution of any remote sensing mission to Mars. Results. Observations of ozone were made at high northern latitudes (>65°N) prior to the onset of the 2018 global dust storm (Ls = 163–193°). During this fast transition phase between summer and winter ozone distribution, the O3 volume mixing ratio observed is 100–200 ppbv near 20 km. These amounts are consistent with past observations made at the edge of the southern polar vortex in the ultraviolet range. The observed spectral signature of ozone at 3000–3060 cm−1 directly overlaps with the spectral range of the methane (CH4) ν3 vibration-rotation band, and it, along with a newly discovered CO2 band in the same region, may interfere with measurements of methane abundance.
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De Maria, Letizia, and Giuseppe Rizzi. "Ozone Sensor for Application in Medium Voltage Switchboard." Journal of Sensors 2009 (2009): 1–5. http://dx.doi.org/10.1155/2009/608714.

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The application of a new spectroscopic type fiber sensor for ozone detection in electrical components of Medium Voltage (MV) network is evaluated. The sensor layout is based on the use of an optical retroreflector, to improve the detection sensitivity, and it was especially designed for detecting in situ rapid changes of ozone concentration. Preliminary tests were performed in a typical MV switchboard. Artificial defects simulated predischarge phenomena arising during real operating conditions. Results are discussed by a comparison with data simultaneously acquired with a standard partial discharge system.
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Fang, Yuan, He Meng, Chuanwen Xue, Wei Wei, and Lian Xue. "Real-Time Monitoring and Early Warning Algorithm of Ozone + Nitrogen Oxides in High-Density Residential Space Based on Big Data." Mobile Information Systems 2022 (May 31, 2022): 1–7. http://dx.doi.org/10.1155/2022/8945433.

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In order to monitor ozone and nitrous oxide pollutants in residential space, artificial intelligence algorithm is integrated on the basis of traditional monitoring mode. Through the comparison of system detection accuracy and early warning sensitivity of different detection methods, it can be seen that the application of artificial intelligence detection system can improve the monitoring performance of ozone and realize the timeliness of large-scale monitoring coverage and data update. The accuracy and sensitivity of system detection under the two detection methods are analyzed, and the main harm caused by ozone pollution is analyzed. The significance of monitoring ozone pollution in ambient air is emphasized. The air index of high-density residential space using intelligent big data detection method is obviously superior to previous detection methods in terms of timeliness, accuracy, and early warning sensitivity of the system. It also provides an important data reference for the real-time monitoring and early warning of ozone + nitrogen oxides in high-density residential space, and also makes an important contribution to reducing the impact on residents’ health and living environment.
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Koenig, Theodore K., Sunil Baidar, Pedro Campuzano-Jost, Carlos A. Cuevas, Barbara Dix, Rafael P. Fernandez, Hongyu Guo, et al. "Quantitative detection of iodine in the stratosphere." Proceedings of the National Academy of Sciences 117, no. 4 (January 13, 2020): 1860–66. http://dx.doi.org/10.1073/pnas.1916828117.

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Oceanic emissions of iodine destroy ozone, modify oxidative capacity, and can form new particles in the troposphere. However, the impact of iodine in the stratosphere is highly uncertain due to the lack of previous quantitative measurements. Here, we report quantitative measurements of iodine monoxide radicals and particulate iodine (Iy,part) from aircraft in the stratosphere. These measurements support that 0.77 ± 0.10 parts per trillion by volume (pptv) total inorganic iodine (Iy) is injected to the stratosphere. These high Iy amounts are indicative of active iodine recycling on ice in the upper troposphere (UT), support the upper end of recent Iy estimates (0 to 0.8 pptv) by the World Meteorological Organization, and are incompatible with zero stratospheric iodine injection. Gas-phase iodine (Iy,gas) in the UT (0.67 ± 0.09 pptv) converts to Iy,part sharply near the tropopause. In the stratosphere, IO radicals remain detectable (0.06 ± 0.03 pptv), indicating persistent Iy,part recycling back to Iy,gas as a result of active multiphase chemistry. At the observed levels, iodine is responsible for 32% of the halogen-induced ozone loss (bromine 40%, chlorine 28%), due primarily to previously unconsidered heterogeneous chemistry. Anthropogenic (pollution) ozone has increased iodine emissions since preindustrial times (ca. factor of 3 since 1950) and could be partly responsible for the continued decrease of ozone in the lower stratosphere. Increasing iodine emissions have implications for ozone radiative forcing and possibly new particle formation near the tropopause.
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Kerr, R. A. "First Detection of Ozone Hole Recovery Claimed." Science 332, no. 6026 (April 7, 2011): 160. http://dx.doi.org/10.1126/science.332.6026.160.

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Maruo, Yasuko Y., Tatsuya Kunioka, Kunihiko Akaoka, and Jiro Nakamura. "Development and evaluation of ozone detection paper." Sensors and Actuators B: Chemical 135, no. 2 (January 2009): 575–80. http://dx.doi.org/10.1016/j.snb.2008.09.016.

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Yan, Xinwei. "Detection by ozone-induced chemiluminescence in chromatography." Journal of Chromatography A 842, no. 1-2 (May 1999): 267–308. http://dx.doi.org/10.1016/s0021-9673(99)00177-6.

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Dissertations / Theses on the topic "Ozone detection"

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Fung, Wai-kit, and 馮偉傑. "Generation and detection of ozone and hydroxyl radicals in water." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31228215.

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Castello, Beltran Carlos. "Fluorescent probes for selective detection of ozone in plasma applications." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/19716.

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This thesis presents an overview of the research activities undertaken during my PhD under the supervision of Dr. F. Iza from the School of Electronic, Electrical and Systems Engineering and Dr. B. Buckley from the Chemistry Department at Loughborough University. The thesis is divided as follows. The first chapter of the thesis presents an introduction to plasma and chemical probes as well as the motivation for developing fluorescent probes for plasma characterisation. Analytical techniques used during this work to analyse chemical substances are described in the second chapter. Results and discussions from the experiments are discussed in chapters 3 to 7. Conclusions and future work are presented in chapter 8. In chapter 9, experimental data is presented. In the last century, plasma has attracted the attention of numerous researchers. Due to the wide-range of applications of this ionised gas, people from different fields have focused their effort on studying plasma. Low-temperature plasmas have received growing attention in the last 50 years when the development in cold plasma devices made them more controllable. Plasma played (and continues to play) a critical role in the fabrication process of integrated circuits and recent advances in the generation of low-temperature atmospheric-pressure plasmas have resulted in the emergence of new applications including treatment of temperature sensitive surfaces and biological targets. During the first months at Loughborough I worked on the ozonolysis of various alkenes with air plasmas. This allowed me to familiarised myself with plasma as this was new to me and get a feeling of some of the challenges lying ahead. Nonetheless, the data I obtained was encouraging and I presented the results of batch and flow plasma-based ozonolysis of alkenes at the Technological Plasma Workshop held in Manchester in January 2012. Once I had familiarised myself with the plasma system, I worked on synthesising fluorescent probes to detect ozone, one of the many reactive species that are typically generated in oxygen containing plasmas. Details of the experiments conducted to date and most significant findings are discussed in this thesis.
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Claude, Stephane Marie Xavier. "Lead alloy superconducting tunnel junctions for sub-millimetre wave hetrodyne detection." Thesis, Queen Mary, University of London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243314.

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Thiebeaux, Claude. "Spectrometrie laser heterodyne." Reims, 1987. http://www.theses.fr/1987REIMS009.

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Construction d'un spectrometre fonctionnant dans la region de 10 microns de longueur d'onde. Il permet d'enregistrer des raies de rotation-vibration avec une resolution 10 fois plus faible que la largeur des raies
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Puckett, Sean D. "Techniques for the Detection and Development of: Part I Detection of Ozone for Water Treatment Part II. Utilizing Layer-By-Layer Thin Films with Long Period Grating Fibers." Oxford, Ohio : Miami University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1146248790.

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Colette, Augustin. "Etude expérimentale et numérique de l' influence des processus de transport depuis la couche-limite sur la variabilité et le bilan d' ozone troposphérique." Paris 6, 2005. https://tel.archives-ouvertes.fr/tel-00011438.

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Levermore, Thorpe Dianne Marie. "Design, construction and operation of an automated vapor pressure determination apparatus (I). II, Gas chromatography/mass spectrometry headspace analysis of engine oil, III, Design of a chemically selective layer for ozone detection." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/30491.

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Gaddari, Abdelhadi. "Nouvelle méthode d'élaboration par voie sol-gel des couches minces de dioxyde d'étain : Applications à la détection à température ambiante d'ozone et d'ammoniac." Phd thesis, Université de Franche-Comté, 2013. http://tel.archives-ouvertes.fr/tel-01020790.

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Les températures classiques de fonctionnement de la plupart des capteurs chimiques de gaz sont généralement supérieures à 300°C, ce qui ne représente pas les conditions favorables de leur fonctionnement en termes de stabilité, répétabilité et consommation énergétique. Pour ce, dans ce travail, nous avons développé une nouvelle méthode d'élaboration par voie sol-gel des couches minces à base de dioxyde d'étain(SnO2) sensibles à la détection de l'ozone et de l'ammoniac à température ambiante et à l'état de traces. L'ajustement des paramètres expérimentaux relatifs à ce procédé (solvant, concentration du dispersant, température et temps de recuit,...) a permis d'optimiser les conditions de préparation des couches minces et par la suite de contrôler les caractéristiques chimiques et texturales des couches sensibles développées. Dans cette étude les précurseurs du SnO2 ont été préparés selon deux approches.[...]Les résultats de détection de gaz ont montré qu'à l'inverse des couches élaborées par voie aqueuse qui sont quasiment insensibles à l'ozone, le procédé sol-gel en milieu alcoolique a permis de développer des couches très sensibles à ce gaz à des teneurs de l'ordre de 60 ppb, inférieures au seuil limite autorisé qui est de 75 ppb. L'originalité de ce travail porte sur le fait que les couches développées permettent la détection de O3 à température ambiante, ce dont aucune étude antérieure ne faisait état à l'origine de ce travail. Pour l'ammoniac, les deux voies de synthèse ont permis d'élaborer avec succès des capteurs sensibles à ce gaz, à température ambiante. La concentration minimale détectée de l'ordre de 5 ppm est inférieure aux 16,7 ppm correspondant au niveau maximum autorisé pour la détection olfactive par l'humain. Les performances de détection des deux gaz cibles, à température ambiante, ont été améliorées par addition dans les sols d'étain de surfactant (TX-100). En effet, les réponses des couches déposées en présence de surfactant ont été multipliées par un facteur 1,5 pour l'ozone et de 2 pour l'ammoniac, comparées avec celles des capteurs SnO2 sans additif.[...]
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Chao, Yun-Ching, and 趙雲秋. "Peparation and Application Crystal Detection System for Organic and Ozone Molecules." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/68553798894246410180.

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碩士
國立臺灣師範大學
化學系
84
C60 is a new form of molecular carbone,the study of C60's physical andchemical character property has received a lot of attention in chemistry.A character property of Fullerene is their affinity to various molecules.Fullerene(C60) coated piezoelectric quartz crystal membrane sensor with ahome-made microcomputer interface for singal acquisition and data processingwas prepared as gas detector to detect organic vapours adsorbed on C60/quartzmembrane. In this study,the affinity of C60 to organic molecules with various function group,e.g. aldehydes(RCHO),ketones(RCOR),acids(RCOOH),amines(RNH2), alcohols(ROH)was investigated.Effects of carbon chain,steric isomers and function group on adsorptions and frequency responses were also investigated and discussed.The reversibility of frequency response curve and IR spectrum were utilized to identifythe incorporate behaviors between C60 and these organic molecules.The interaction between C60 and organic molecule may be physical adsorption or chemical adsorption.The selecticity order of C60 for various organic molecules seems to be in th cal adsorptionon C60 piezoelectric membrance while physial adsorption is found in all another cases.The adsorbed ability on C60 membrane of alkyne is much greater than alkenes or alkanes. The C60 pizoelectric sensor also showed discrimination to n- butylamine and its isomers.The adsorption of bifunction group molecule (e.g. 1,2-ethandithiol,aethyenediamine) onC60 seems to be greater than that of monofunction group molecules , e.g. ethanthiol andethylamine. The adsorption of 1,3-diene which maybe undergoes than mono-alkene, such as hexene. The investigation of molecular adsorption on C60 with the piezoelectric detectionsystem could be a reference index for chemical interaction of fullerence and o-rganic molecules.The interaction between ozone(O3) and C60 was also investigated with the C60 coated piezoelectric crystal detection system. The violate reactionbetween O3 and C60 with a structural change was observed.In addition, the prese-nce of O3 seemed to lead to the improvement of the adsorption of some polar organic molecules such as acetone and alcohols.
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Pai, Tsung-Yuan, and 白宗原. "The application of TiO2/SnO2 thin film to the ozone detection." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/36201073731248799604.

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Books on the topic "Ozone detection"

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Frederick, John E. The detection and interpretation of long-term changes in ozone from space. [Washington, DC?: National Aeronautics and Space Administration, 1988.

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United States. National Aeronautics and Space Administration., ed. Development of a photon counting system for differential lidar signal detection: Final progress report for NCC-1-219. [Washington, DC: National Aeronautics and Space Administration, 1997.

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Office, General Accounting. Air pollution: Improvements needed in detecting and preventing violations : report to the chairman, Subcommittee on Oversight and Investigations, Committee on Energy and Commerce, House of Representatives. Washington, D.C: GAO, 1990.

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King, Stephen. Nightmares & Dreamscapes. New York: Signet, 1994.

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King, Stephen. Nightmares & Dreamscapes. New York, N.Y., U.S.A: Viking, 1993.

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King, Stephen. Nightmares & dreamscapes. New York: Pocket Books, 2009.

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King, Stephen. Nightmares & dreamscapes. Thorndike, Me: G.K. Hall, 1994.

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King, Stephen. Nightmares and dreamscapes. Bath: Chivers Press, 1994.

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King, Stephen. Koshmary i fantazii: [rasskazy]. [Lʹvov]: "Khronos", 1994.

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King, Stephen. Nightmares & Dreamscapes. New York, N.Y., USA: Signet, 1994.

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Book chapters on the topic "Ozone detection"

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Godin-Beekmann, Sophie. "International Multi-Instruments Ground-Based Networks: Recent Developments Within the Network for the Detection of Atmospheric Composition Changes." In Twenty Years of Ozone Decline, 135–56. Dordrecht: Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-2469-5_10.

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Verkouteren, R. Michael, N. Alan Heckert, Stefan Leigh, Edward Sisco, James E. Norris, Jeffrey Lawrence, and Amber Burns. "ASTM E2677: International Standard on Limit of Detection for Trace Detectors—Explosives, Opioids, and Ozone." In Detection Limits in Air Quality and Environmental Measurements, 31–48. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2019. http://dx.doi.org/10.1520/stp161820180074.

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Yates, John T. "Detection of Ozone or Atomic Oxygen by Oxidation of Silver Films." In Experimental Innovations in Surface Science, 706–7. New York, NY: Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4612-2304-7_207.

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Browell, E. V. "Differential Absorption Lidar Detection of Ozone in the Troposphere and Lower Stratosphere." In Optoelectronics for Environmental Science, 77–89. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5895-4_7.

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Lee, Edward H. "Early Detection, Mechanisms of Tolerance, and Amelioration of Ozone Stress in Crop Plants." In Environmental Pollution and Plant Responses, 203–22. Boca Raton: Routledge, 2023. http://dx.doi.org/10.1201/9780203756935-11.

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Steinbrecht, Wolfgang, and Thierry Leblanc. "Lidars in the Network for Detection of Atmospheric Composition Change (NDACC) and the Tropospheric Ozone Lidar Network (TOLNet)." In Handbook of Air Quality and Climate Change, 1–24. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-15-2527-8_55-1.

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Raghu Vamsi, P., and Anjali Chauhan. "A Hybrid Model for Detecting Anomalous Ozone Values." In Futuristic Trends in Networks and Computing Technologies, 419–30. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4451-4_33.

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TAKADA, TADASHI. "Ozone Detection by ln2O3 Thin Film Gas Sensor." In Chemical Sensor Technology, 59–70. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-444-98784-6.50009-x.

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Szweda, Luke I., Pamela A. Szweda, and Andrij Holian. "[51] Detection of 4-hydroxy-2-nonenol adducts following lipid peroxidation from ozone exposure." In Methods in Enzymology, 562–70. Elsevier, 2000. http://dx.doi.org/10.1016/s0076-6879(00)19053-6.

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Kennedy, Christopher H., Gary E. Hatch, Ralph Slade, and Ronald P. Mason. "THE DETECTION OF RADICALS PRODUCED IN VIVO DURING INHALATION EXPOSURE TO OZONE: USE OF VARIOUS SPIN TRAPS." In Oxidative Damage & Repair, 528–32. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-08-041749-3.50097-8.

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Conference papers on the topic "Ozone detection"

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Telles, Edjar M., Edson Bezerra, and Artemio Scalabrin. "Photoacoustic spectrometer for ozone detection." In IV Iberoamerican Meeting of Optics and the VII Latin American Meeting of Optics, Lasers and Their Applications, edited by Vera L. Brudny, Silvia A. Ledesma, and Mario C. Marconi. SPIE, 2001. http://dx.doi.org/10.1117/12.437157.

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Wee, Tse-Luen, and Andy H. Kung. "Sensitive UV photoacoustic detection of ozone." In Lasers and Applications in Science and Engineering, edited by Kenneth L. Schepler and Dennis D. Lowenthal. SPIE, 2004. http://dx.doi.org/10.1117/12.528906.

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Nakane, H., S. Hayashida-Amano, I. Matsui, N. Sugimoto, A. Minato, and Y. Sasano. "The NIES Ozone Lidar System for Observation of the Stratospheric Ozone." In Optical Remote Sensing of the Atmosphere. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/orsa.1991.otud2.

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Recent unpredicted ozone decrease in the polar and midlatitude regions shows importance of ground-based remole-sensing networks such as NDSC (Network for the Detection of Stratospheric Change). Though latitudinal networks are primarily important, the unexpected decrease of ozone in the northern midlatitude in winter and the inhomogeneity of the trends suggest the neccessily of complementary longitudinal networks. Japan could be one of the important locations from this point of view.
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Yang, Yue, Yunping Chen, Yan Chen, Peixin Liu, and Haoyu Li. "Regional near-surface total column ozone inversion based on MODIS." In Sixth Symposium on Novel Photoelectronic Detection Technology and Application, edited by Huilin Jiang and Junhao Chu. SPIE, 2020. http://dx.doi.org/10.1117/12.2557162.

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Sun, Rong-xia, Liang Guo, Na Ji, and Wei Liu. "Design of the Ozone Concentration Online Detection System." In 2009 International Conference on Computational Intelligence and Software Engineering. IEEE, 2009. http://dx.doi.org/10.1109/cise.2009.5365166.

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Hartogh, Paul, and Christopher Jarchow. "Ground-based microwave detection of middle atmospheric ozone." In Satellite Remote Sensing II, edited by Donald W. Deering and Preben Gudmandsen. SPIE, 1995. http://dx.doi.org/10.1117/12.228625.

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Schmitz, C., H. Ehlers, and D. Ristau. "Online Detection of Ozone in Ion Beam Sputtering." In Optical Interference Coatings. Washington, D.C.: OSA, 2010. http://dx.doi.org/10.1364/oic.2010.tud4.

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Zhang, Qingsong, Zaihong Hou, Chenbo Xie, and Ke'e Yuan. "Collaborative observation of ozone distribution in near surface by UAV and LIDAR." In Sixth Symposium on Novel Photoelectronic Detection Technology and Application, edited by Huilin Jiang and Junhao Chu. SPIE, 2020. http://dx.doi.org/10.1117/12.2559847.

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Margitan, J. J. "Stratospheric Ozone Intercomparison Campaign (Stoic): Overview." In Optical Remote Sensing of the Atmosphere. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/orsa.1990.wb2.

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The NASA Upper Atmosphere Research Program organized a Stratospheric Ozone Intercomparison Campaign (STOIC) held in July-August 1989 at the Table Mountain Facility (TMF) of the Jet Propulsion Laboratory. Participating in this campaign were several instruments recently developed by NASA for the NASA/NOAA/CMA Network for the Detection of Stratospheric Change: the JPL ozone lidar at TMF, the GSFC trailer-mounted ozone lidar which was moved to TMF for this comparison, and the Millitech microwave radiometer.
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De Maria, L., G. Rizzi, P. Serragli, R. Marini, and L. Fialdini. "Optical sensor for ozone detection in Medium Voltage switchboard." In 2008 IEEE Sensors. IEEE, 2008. http://dx.doi.org/10.1109/icsens.2008.4716682.

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Reports on the topic "Ozone detection"

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Lee, Richard N., Brian P. Dockendorff, and Bob W. Wright. Analytical Method for the Detection of Ozone Depleting Chemicals (ODC) in Commercial Products Using a Gas Chromatograph with an Electron Capture Detector (GC-ECD). Office of Scientific and Technical Information (OSTI), August 2008. http://dx.doi.org/10.2172/944011.

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Koziel, Jacek, Yael Laor, Jeffrey Zimmerman, Robert Armon, Steven Hoff, and Uzi Ravid. Simultaneous Treatment of Odorants and Pathogens Emitted from Confined Animal Feeding Operations (CAFOs) by Advanced Oxidation Technologies. United States Department of Agriculture, January 2009. http://dx.doi.org/10.32747/2009.7592646.bard.

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A feasibility study was conducted, aiming to explore the potential effectiveness of UV/TiO2/O3 photooxidation technologies for simultaneous treatment of odorant and pathogen emissions from livestock and poultry operations. Several key parameters were tested in laboratory (US) and semi-pilot (Israel) scale conditions including: the effects of light energy dose (treatment time and light intensity), relative humidity and air temperature, UV wavelength, presence of photocatalyst (TiO2) and the presence of ozone. Removal and conversion of odor, target gases (sulfur-containing volatile organic compounds S-VOCs, volatile fatty acids (VFAs), phenolics, and ammonia), and airborne pathogens was tested. Up to 100% removal (below method detection level) of S-VOCs, VFAs, and phenolics, the overall odor, and up to 64.5% of ammonia was achieved with optimized treatment. Treatments involving deep UV band (185 nm) and photocatalyst (TiO2) were more efficient in removal/conversion of odorous gases and odor. The estimate of the operational cost of treatment was based on measured emissions of several odorous VOCs from full scale, commercial swine farm ranges from $0.15 to $0.59 per finisher pig. This figure represents significantly lower cost compared with the cost of biofiltration or air scrubbing.
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