论文部分内容阅读
交通警察在平凡的工作岗位上指挥南来北往的各式交通车辆,为我国的四化建设和千家万户的幸福而默默地奉献,然而他们的职业危害却鲜为人知。交通警察的工作岗位大都位于繁闹的街市,是交叉路口及车辆来往频繁的地方。其职业危害主要来自于汽车尾气、工业生产过程中排放到空气中的尘、毒微粒、自然界的风砂尘土、噪声、长期站立体位、强阳光紫外线照射等。汽车尾气含有氮氧化合物和烃类。氮氧化合物难溶于水,对眼和上呼吸道刺激作用小,易进入深部呼吸道。当空气中氮氧化合物达60-150ppm时,
Traffic police in the ordinary work of commanding various types of transport vehicles going north and south for the four modernizations of our country and the happiness of millions of households silently dedication, but their occupational hazards are little-known. Most of the traffic police jobs are located in busy downtown, is the intersection and the frequent vehicle traffic. Their occupational hazards mainly come from automobile exhaust, dust discharged into the air during industrial production, toxic particles, wind and sand dust in nature, noise, long standing position, and strong sunlight ultraviolet radiation. Automobile exhaust contains nitrogen oxides and hydrocarbons. Nitrogen oxides insoluble in water, the eye and upper respiratory tract stimulation of small, easy to enter the deep respiratory tract. When the nitrogen oxides in the air up to 60-150ppm,