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慢性铅中毒的症状及预防 | 2010-5-24 7:06:00
Re:慢性铅中毒的症状及预防
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2010-5-24 7:08:09
铅中毒的症状:
长期接触较高浓度的铅烟或铅尘,感到头晕、头痛、失眠、多梦、无力、并有腹胀、腹部隐痛、便秘等症状,为轻度铅中毒。病情加重时,可有腹部阵发性绞痛(铅绞痛)、伸肌无力,肢端麻木、四肢末端呈手套袜套样感觉障碍、贫血。严重中毒时,出现铅麻痹(腕下垂)或中毒性脑病。
Re:慢性铅中毒的症状及预防
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2010-5-24 7:08:25
怎样预防铅中毒?
预防铅中毒的措施有:
① 尽可能用无毒或毒性小的物质代替铅;
② 把产生铅烟或铅尘的设备密闭起来,减少逸散;
③ 进行局部抽风,把铅烟或铅尘从发生源就地吸走,经净化后排出室外;
④ 控制熔铅温度,减少铅蒸气逸出;
⑤ 温式作业和湿式清扫,防止铅尘飞扬;
⑥ 坚持戴防铅烟(尘)口罩;
⑦ 不在车间内进食、吸烟,饭前洗手、下班后淋浴更衣;
⑧ 经常地、定期地测定车间空气中铅浓度,做好就业前体检和定期体检。
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