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目的:探讨氨(NH3)、汽油(CXHY)、三氯-氟甲烷(F11)和氯仿(CHCL3)复合作用规律及其主因素.方法:用多因素、多水平的正交实验设计方法,进行上述4种气体的复合实验研究,指标包括呼吸、遗传、血液和血气类共23项.用三水平四因素方差分析程序进行主因素分析.结果:4种气体的联合作用对呼吸有明显抑制作用,多数实验组对免疫有抑制作用,随着NH3浓度增大,引起呼吸性碱中毒合并代谢性酸中毒.多数指标的方差分析表明,影响指标改变的主因素是NH3,其次为CXHY,F11和CHCL3仅是个别指标变化的主因素.结论:在4种气体的联合作用下,NH3是影响指标改变的最主要因素,为了保障艇员的健康,对NH3的浓度应严格控制“,”Aim: To explore the rule and determine the principal factor of the combined effects of NH?3,C?xH?y, F??11? and CHCl?3. Methods: Orthogonal design method was used for this 4 gases combined experiment. Changes of 23 parameters including respiratory, hereditary, blood and blood?gas indexes were observed. The principal factor of the combined effect was determined by analysis of variance(ANOV). Results: Breathing was evidently inhibited by the combined effect of the 4 gases; and immunity function was depressed i...