<報文>低級炭化水素に関する大気自動測定結果の解析

概要

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The hydrocarbons in the air are the most important substances which cause the photochemical smog. Nevertheless, they were slightly measured, except by the total hydrocarbon meter. Authors tried to measure individual hydrocarbons continuously by using the automatic analyzer designed last year. About 1300 data were obtained with C2 to C5 hydrocarbons through a year. As a result of this search, many informations, such as the ratio between components, the time variation, the relations to weather factors, the relation to the photochemical smog phenomena, the frequency of high concentration of pollutants and so on, could be considered. For example, the ethylene/ethane ratio decreases according to the oxidant generation and indicates the stagnation of auto exhaust gas in the air. Thus, it was evident that the amounts of and the reactions of hydro- carbons associated directly with the progress of urban air pollution. This report will be a model technique for the conservation of atmospheric environment after this.
横浜国立大学の論文