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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Comparison and evaluation of dust-sampling instruments.

Greeff, Pietra Willem. January 1970 (has links)
No description available.
2

Comparison and evaluation of dust-sampling instruments.

Greeff, Pieter Willem. January 1970 (has links)
No description available.
3

Investigations of a cyclone dust collector

Dodge, William Woodrow. January 1951 (has links)
Call number: LD2668 .T4 1951 D6 / Master of Science
4

Evaluation of the diffraction size-frequency analyser (D.I.S.A.), a dust sample assessing apparatus.

Vukovic, Ignjat. January 1971 (has links)
No description available.
5

Evaluation of the diffraction size-frequency analyser (D.I.S.A.), a dust sample assessing apparatus.

Vukovic, Ignjat. January 1971 (has links)
No description available.
6

Sensitivity Analysis in Air Quality Models for Particulate Matter

Napelenok, Sergey L. 31 October 2006 (has links)
Fine particulate matter (PM2.5) has been associated with a variety of problems that include adverse health effects, reduction in visibility, damage to buildings and crops, and possible interactions with climate. Although stringent air quality regulations are in place, policy makers need efficient tools to test a wide range of control strategies. Sensitivity analysis provides predictions on how the interdependent concentrations of various PM2.5 components and also gaseous pollutant species will respond to specific combinations of precursor emission reductions. The Community Multiscale Air Quality Model (CMAQ) was outfitted with the Decoupled Direct Method in 3D for calculating sensitivities of particulate matter (DDM-3D/PM). This method was evaluated and applied to high PM2.5 episodes in the Southeast United States. Sensitivities of directly emitted particles as well as those formed in the atmosphere through chemical and physical processing of emissions of gaseous precursors such as SO2, NOx, VOCs, and NH3 were calculated. DDM-3D/PM was further extended to calculate receptor oriented sensitivities or the Area of Influence (AOI). AOI analysis determines the geographical extent of relative air pollutant precursor contributions to pollutant levels at a specific receptor of interest. This method was applied to Atlanta and other major cities in Georgia. The tools developed here (DDM-3D/PM and AOI) provide valuable information to those charged with air quality management.
7

An application of Landsat digital data to air quality planning in the Tucson urban area

Sauerwein, Charles Hayward January 1980 (has links)
No description available.

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