- 期刊
Human Response to Controlled Levels of Combinations of Sulfur Dioxide and Inert Dust
並列摘要
Under controlled conditions in an environmental chamber 16 healthy young volunteers were exposed to combinations of sulfur dioxide (SO2) (2.6 or 13 mg/m^3) and inert plastic dust (2 or 10 mg/m^3) or of SO9 (13 mg/m^3) and dust (10 mg/m^3) coated with vanadium. During periods in clean air and during exposures of 5-h duration nasal mucus flow rate, nasal airflow resistance, forced vital capacity, and subjective discomfort were measured. Reductions in nasal mucus flow rate, forced expiratory flow (FEF 25-75%), and discomfort were related principally to the SO2 concentration. The combined effects of SO2 and dust were, at the most, additive, and there was no indication of potentiation effects. No effect could be attributed to the coating of the dust with vanadium.
並列關鍵字
airway resistance ； discomfort ； environmental chamber ； mucociliary clearance ； nose ； particles ； rhinomanometry ； vanadium ； workroom air延伸閱讀
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