Zobrazeno 1 - 10
of 79
pro vyhledávání: '"B.R. Appel"'
Autor:
Ernesto C. Tuazon, B.R. Appel, Kenneth T. Knapp, H. W. Biermann, Glen R. Cass, H. A. Wiebe, T.G. Ellestad, Paul A. Solomon, Kurt G. Anlauf, Arthur M. Winer, Eric Peake, Douglas R. Lawson, C. W. Spicer
Publikováno v:
Atmospheric Environment. Part A. General Topics. 24:1019-1028
sing data obtained during the 1985 Nitrogen Species Methods Comparison Study (1988,Atmospheric Environment22, 1517), several measurement methods for sampling ambient NH_3 are compared. Eight days of continuous measurements at Pomona College, a smog r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9d53f29f05a7d47d1603416c42e2faf
https://doi.org/10.1016/0960-1686(90)90070-4
https://doi.org/10.1016/0960-1686(90)90070-4
Publikováno v:
Atmospheric Environment. Part A. General Topics. 24:611-616
As part of the Southern California Air Quality Study (SCAQS), nitrous acid (HONO) measurements were made at Long Beach, CA during the period 11 November–12 December 1987, using two distinctly different techniqes. One of these, the annular denuder m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab7e27c3a6161365a04b7514bec18a01
https://doi.org/10.1016/0960-1686(90)90016-g
https://doi.org/10.1016/0960-1686(90)90016-g
Publikováno v:
Atmospheric Environment. Part A. General Topics. 25:525-527
The denuder difference method (DDM) for HNO 3 , involving two nylon filter samplers, one of which is preceded by an acid-gas denuder, can also provide measurements of acidic, gaseous chloride, likely to be HCl, at ambient atmospheric concentrations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0793c4a7461634002c7cf36452a303f0
https://doi.org/10.1016/0960-1686(91)90325-2
https://doi.org/10.1016/0960-1686(91)90325-2
Akademický článek
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Autor:
B.R. Appel
Publikováno v:
Atmospheric Environment. Part A. General Topics. 24:717
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bfa61dcb4d6cfeab6183cbe50e57e16
https://doi.org/10.1016/0960-1686(90)90026-j
https://doi.org/10.1016/0960-1686(90)90026-j
Publikováno v:
Atmospheric Environment (1967). 11:929-937
Particulate air pollution samples collected on glass fiber filters were analysed using computer-controlled high-resolution mass spectrometric thermal analysis. Samples were collected during a smog episode in the summer of 1973 at a photochemical smog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a51ebbab7e1c2858f28b1d3e585b2b5
https://doi.org/10.1016/0004-6981(77)90022-1
https://doi.org/10.1016/0004-6981(77)90022-1
Publikováno v:
Atmospheric Environment (1967). 19:1525-1534
A laboratory and field study was performed to assess the contribution to visibility reduction of both light scattering and absorption by air pollutant particles and gases. Gaseous precursors to important visibility-reducing aerosol species were measu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06317a8819b5fe7a558915993c4bdd69
https://doi.org/10.1016/0004-6981(85)90290-2
https://doi.org/10.1016/0004-6981(85)90290-2
Publikováno v:
Atmospheric Environment (1967). 13:319-325
A laboratory and field study was conducted to evaluate artifact nitrate formation on filter media. The filter media evaluated included a cellulose acetate, a Teflon, a cellulose and five types of glass fiber filters covering a pH range from 4.6 to 9.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d93c4151aea48394924a09a302a1743e
https://doi.org/10.1016/0004-6981(79)90175-6
https://doi.org/10.1016/0004-6981(79)90175-6
Publikováno v:
Atmospheric Environment (1967). 15:283-289
Methods for the measurement of nitric acid, particulate nitrate and total inorganic nitrate (i.e. HNO3 plus particulate nitrate) are compared using atmospheric samples from the Los Angeles Basin. Nitric acid was measured by (1) the nitrate collected
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::243a6d42d0a30fe32fbfbf2075419945
https://doi.org/10.1016/0004-6981(81)90029-9
https://doi.org/10.1016/0004-6981(81)90029-9
Publikováno v:
Atmospheric Environment (1967). 18:219-222
The efficiency of hi-vol samplers with glass fiber filters for collection of atmospheric arsenic was assessed by parallel sampling with a technique able to retain both particle and gas-phase arsenic trioxide. Sampling was done adjacent to the Kenneco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c345eeee269d2f61a541a816ded83dfe
https://doi.org/10.1016/0004-6981(84)90246-4
https://doi.org/10.1016/0004-6981(84)90246-4