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吸入NO_2引起的免疫功能抑制持续一段时间.全身性细胞免疫功能的抑制持续2-4天,5-7天恢复正常;肺泡巨噬细胞吞噬功能的抑制持续5-7天,10-12天恢复正常;外周血中性白细胞吞噬功能也需一段时间才能恢复.
Inhibition of the immune function induced by inhalation of NO 2 continues for a period of time. Inhibition of systemic cellular immunity continues for 2-4 days and returns to normal by 5-7 days; inhibition of phagocytic function of alveolar macrophages persists for 5-7 days, recovers 10-12 days. Normal; peripheral blood neutrophils phagocytosis also takes some time to recover.