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Ammonia sampling using Ogawa passive samplersTate, Paul, January 2002 (has links)
Thesis (M.A.)--University of South Florida, 2002. / Title from PDF of title page. Includes bibliographical references.
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The air motor as a cloud generatorAdams, Glenn Nelson January 1950 (has links)
As a result of the current interest in theories designed to explain the processes whereby precipitation originates in clouds and, if possible, to devise methods of causing or initiating precipitation at times or places more desirable than those chosen by Nature, and particularly in view of certain assumptions made in the formulation of some of these theories, experiments are in progress to study the behaviour of water particles in a region of moist air and small water droplets such as is found in a cloud. For such experiments, some means of producing a cloud, preferably of controlled characteristics, in the laboratory is needed.
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The air motor as a cloud generatorAdams, Glenn N. January 1950 (has links)
No description available.
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THE DESIGN AND APPLICATION OF A POLAR NEPHELOMETER FOR AEROSOL STUDIESHansen, Mark Zabel, 1948- January 1977 (has links)
No description available.
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Characterizing the origin and long-range transport behavior of persistent organic pollutants in the North American atmospheric environment using passive samplers.Shen, Li. January 2004 (has links)
Thesis (Ph. D.)--University of Toronto, 2004. / Adviser: Frank Wania. Includes bibliographical references (p. 154-163).
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A study of air flow in a network of pipes used in aspirated smoke detectorsSingh, Rohitendra Kumar. January 2009 (has links)
Thesis (M. Eng.)--Victoria University (Melbourne, Vic.), 2009. / Submitted in fulfilment of the requirements for the degree of Master of Engineering in Mechanical Engineering. Includes bibliographical references.
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A timed exposure diffusive sampler for air monitoring in epidemiologyMichaud, Jon-Pierre, 1955- January 1989 (has links)
A timed exposure diffusive sampler (TEDS) sensitive enough to measure hourly averages of nitrogen dioxide (NO2) at low parts per billion levels was developed for use in epidemiological studies. TEDS can be used for a variety of atmospheric pollutants. TEDS was tested in the laboratory against known concentrations of NO2 and against well established NO2 measurement systems. It was then tested in the field against the Environmental Protection Agency's reference method for measuring NO2. The TEDS method appears well suited to epidemiological investigations of air quality and extends previous work in this area by offering improved time resolution of changes in pollutant concentration at a cost sufficiently low to permit its use in large scale studies. The TEDS method also shows potential for miniaturization for use in personal sampling.
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A sensitivity evaluation of EPA's CAL3QHC dispersion model for carbon monoxide analysis at urban intersectionsLindemann, Julie B. 25 October 1994 (has links)
In February 1994, EPA proposed to "refine" its carbon monoxide (CO) hot spot model,
CAL3QHC, to increase its accuracy and reliability. Currently, this proposal includes
using hourly meteorological data recorded at airports near the modeling sites instead of
the worst case conditions now recommended as a modeling default. The analysis in
this study has shown that airport data should be used only on a situational basis as
discrepancies exist between airports and local intersections. It is unclear if the added
meteorological data will improve CAL3QHC's performance. This study also compares
actual CO concentrations and their corresponding meteorology with the worst case
modeling defaults. The highest CO levels are occurring at calms (wind speed less
than one meter per second) which are not able to be modeled with the current
Gaussian dispersion equation in CAL3QHC. Given the findings of this analysis and
the lack of other scientific evidence supporting the proposed refinements,
recommendations for developing an alternative model improvement plan are outlined. / Graduation date: 1995
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Effect of breathing, posture, and air velocity on breathing zone gas concentrations for human subjects in a wind tunnelEl Sotouhy, Ahmed Reda. January 1900 (has links)
Thesis (Ph. D.)--West Virginia University, 2008. / Title from document title page. Document formatted into pages; contains xv, 134 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 133-134).
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Comparison studies of Dowex MSA-1 resin and Scott impregnated charcoal for iodine adsorbents in an iodine air monitor systemGreen, Daniel George January 2011 (has links)
Typescript (photocopy). / Digitized by Kansas Correctional Industries
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