Zobrazeno 1 - 10
of 184
pro vyhledávání: '"H.I. Schiff"'
Autor:
H.I. Schiff
Publikováno v:
Canadian Journal of Chemistry. 74:1765-1773
The author recalls his scientific career starting with electrochemistry and gas phase kinetics and leading, largely by serendipity, to atmospheric chemistry and measurements in the atmosphere using rockets and stratospheric balloons. The scientific p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c9ef25081591fbd786ace838ed0bdd3
https://doi.org/10.1139/v96-196
https://doi.org/10.1139/v96-196
Publikováno v:
Infrared Physics & Technology. 37:39-43
Three versions of a near infrared system based on commercial communication type laser diodes have been developed. They have high selectivity and good sensitivity for a number of important gases. All three systems use a common control and data logging
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c206eb91c2b5a4178f4664a5b1b4b721
https://doi.org/10.1016/1350-4495(95)00105-0
https://doi.org/10.1016/1350-4495(95)00105-0
Publikováno v:
Atmospheric Environment. Part A. General Topics. 27:533-541
The impact of the nocturnal boundary layer (NBL) on the concentrations of O3, H2O2, PAN and CH2O has been studied for two 4-day periods, one in the summer of 1989 and the other in the spring of 1990. Where the presence of the nocturnal layer is clear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44f94b5d42565fedef1415def478fad2
https://doi.org/10.1016/0960-1686(93)90210-p
https://doi.org/10.1016/0960-1686(93)90210-p
Publikováno v:
International Journal of Mass Spectrometry and Ion Processes. 117:387-394
The kinetics of the protonation of SF6 were examined in a combined flowing afterglow/selected-ion flow tube study of the reactions of H + 3 , CH + 5 , N 2 OH + , HCO + , C 2 H + 7 , C 2 H + , and H 3 O + with SF 6 in hydrogen carrier gas at pressures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bd0867c3180f5736ce43bc9fce26687
https://doi.org/10.1016/0168-1176(92)80104-9
https://doi.org/10.1016/0168-1176(92)80104-9
Publikováno v:
Atmospheric Environment. Part A. General Topics. 26:1259-1270
PAN concentrations were determined during the summer of 1989 and the winter of 1990 at three sites in Ontario representing urban (Toronto), suburban downwind (Stouffville) and rural (Dorset) locations. PAN concentrations were found to reach levels of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2c53c75096c5dd77fa107497ca193fe
https://doi.org/10.1016/0960-1686(92)90387-z
https://doi.org/10.1016/0960-1686(92)90387-z
Autor:
Kurt G. Anlauf, D.R. Hastie, H.I. Schiff, Paul B. Shepson, G.I. Mackay, D. R. Karecki, M. Polizzi, Jan W. Bottenheim
Publikováno v:
Atmospheric Environment. Part A. General Topics. 25:2001-2015
Measurements of formaldehyde, acetaldehyde, acetone and propionaldehyde concentrations were made at two rural sites in central Ontario. One site (at Egbert, Ont.) is located ≈60 km northwest of Toronto, while the other site (at Dorset, Ont.) is ≈
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52085be0df2bb76667e28d9e4fb82148
https://doi.org/10.1016/0960-1686(91)90280-k
https://doi.org/10.1016/0960-1686(91)90280-k
Autor:
Ernesto C. Tuazon, H. A. Wiebe, H.I. Schiff, G.I. Mackay, T.G. Ellestad, Kurt G. Anlauf, Arthur M. Winer, Kenneth T. Knapp
Publikováno v:
Atmospheric Environment. Part A. General Topics. 25:393-399
Several methods for measurement of ambient HNO3 were compared over a 9-day period during the Carbonaceous Species Methods Comparison Study at Glendora, California, in August 1986. Hourly averaged HNO3 concentrations were in the range 0.5–25 ppbv, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca65359e0f935cdf4be931936c849977
https://doi.org/10.1016/0960-1686(91)90310-4
https://doi.org/10.1016/0960-1686(91)90310-4
Publikováno v:
Atmospheric Environment. Part B. Urban Atmosphere. 25:243-254
It has been previously noted that the cities of Edmonton and Calgary, Alberta (Canada) often act as a sink for ozone, due to removal through reaction with transportation-derived NO, Angle and Sandhu (1989, Atmospheric Environment 23 , 215–221). How
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ff79fd487c0e8eac7456b10ec8029e0
https://doi.org/10.1016/0957-1272(91)90060-r
https://doi.org/10.1016/0957-1272(91)90060-r
Autor:
L. L. Hodson, H.I. Schiff, Joseph E. Sickles, J.D. Mulik, William A. McClenny, Richard J. Paur, D.K. Bubacz, H. A. Wiebe, Kurt G. Anlauf, G.I. Mackay, T.G. Ellestad
Publikováno v:
Atmospheric Environment. Part A. General Topics. 24:155-165
A field study was conducted to compare methods for sampling and analysis of atmospheric constituents that are important contributors to acidic dry deposition. Comparisons are made of different measurements of ambient concentrations of gaseous HNO 3 ,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfce1410633e6da4d39f267183809bcc
https://doi.org/10.1016/0960-1686(90)90451-r
https://doi.org/10.1016/0960-1686(90)90451-r
Autor:
A.J Gallant, K.W So, P Wong, Paul B. Shepson, H.I Schiff, P Blanchard, John W. Drummond, J.W Bottenheim
Publikováno v:
Atmospheric Environment. Part A. General Topics. 24:2839-2846
A 24 day intercomparison study of peroxyacetyl nitrate (PAN) measurement was conducted in Egbert, Ontario, in February–March 1989. Two GC/ECD systems and one GC using a luminolchemiluminescence based detection device were involved. To separate the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79be31593733041618f38a01591c5c54
https://doi.org/10.1016/0960-1686(90)90171-i
https://doi.org/10.1016/0960-1686(90)90171-i