Výsledky vyhledávání - "T. G. Dzubay"

Sources of mutagenic activity in urban fine particles

Autor: R K, Stevens, C W, Lewis, T G, Dzubay, L T, Cupitt, J, Lewtas

Publikováno v: Toxicology and industrial health. 6(5)

Samples were collected during the winter of 1984-1985 in the cities of Albuquerque, NM and Raleigh NC as part of a US Environmental Protection Agency study to evaluate methods to determine the emission sources contributing to the mutagenic properties

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::747d0366201a7517d9935f48e5aadd5e
https://pubmed.ncbi.nlm.nih.gov/2274994

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Calibration of an Energy Dispersive X-Ray Fluorescence Spectrometer

Autor: T. G. Dzubay, R. L. Walter, R. D. Willis, J. W. Gramlich, L. J. Moore, A. R. Stiles, E. L. Garner, R. M. Baum, L. A. Machlan

Publikováno v: Advances in X-ray Analysis. 19:473-486

The purpose of this work was to develop accurate calibration standards which were fully characterized in terms of uniformity and concentration using fundamental measuring methods. Three similar sets of vacuum deposits were commercially made, each set

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::542e3a69c3bf1411a98ddba60933ce27
https://doi.org/10.1154/s0376030800008028

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Fly ash concentrations in philadelphia aerosol determined by electron microscopy

Autor: T. G. Dzubay, Yaacov Mamane

Publikováno v: Water, Air, and Soil Pollution. 37:389-405

In a study to differentiate between coal-fly ash and minerals in the atmosphere, samples were collected on Nuclepore filters in dichotomous samplers and analyzed by scanning electron microscopy (SEM) and energy dispersive X-ray spectrometry. The samp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::823f9a2a4d7750ab156071dffa342e21
https://doi.org/10.1007/bf00192949

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Polymer Films as Calibration Standards for X-ray Fluorescence Analysis

Autor: H. Yasuda, T. G. Dzubay, P. J. Lamothe

Publikováno v: Advances in X-ray Analysis. 20:411-421

A new type of calibration standard has been developed for X-ray fluorescence analysis of thin samples. Each standard consists of a polymer film containing a single calibration element. The film is cast from a homogeneous solution containing known amo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c3f0371e9df6ac03967ce27b776d9521
https://doi.org/10.1154/s0376030800012015

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Self Absorption Corrections for X-Ray Fluorescence Analysis of Aerosols

Autor: R. O. Nelson, T. G. Dzubay

Publikováno v: Advances in X-ray Analysis. 18:619-631

A procedure is described for making self absorption corrections for x-ray fluorescence analysis of ambient air aerosols which are collected in two size ranges with a dichotomous sampler. Calculations for fine particles are based on the assumption of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6804746f0504080a0924bded06eb7f63
https://doi.org/10.1154/s0376030800007072

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Measurement of Light Absorption Extinction in Denver

Autor: T. G. Dzubay, C. W. Lewis

Publikováno v: Aerosol Science and Technology. 5:325-336

Simultaneous measurements of b ext (teleradiometer), b sp (integrating nephelometer), and b ag (N02 monitor) were used to obtain particle absorption extinction coefficients b ap for the Denver atmosphere during January 1982. The average of the ratio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1fe6af446fc6400e24f337cf216d491
https://doi.org/10.1080/02786828608959097

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