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      INDOOR AIR了解室內空氣

      1. 苯、甲苯及二甲苯
      2. 簡介
      3. 苯是一種無色、具有特殊芳香氣味的液體。

      4. 危害
      5. 長期吸入苯可導致再生障礙性貧血。長期吸入苯會出現白細胞減少和血小板減少,
        嚴重時可使骨髓造血機能發生障礙,導致再生障礙性貧血。若造血功能完全被破壞,
        可發生致命的顆粒性白細胞消失癥 ,并可引起白血病。

      6. 女性長期吸入苯會患許多疾病。育齡婦女長期吸入苯會導致月經異常,主要表現為月經過多或紊亂。
        孕婦接觸甲苯、二甲苯及苯系混合物時,妊娠高血壓綜合癥、
        妊娠嘔吐及妊娠貧血等妊娠并發癥的發病率顯著增高 ,甚至會導致流產。

      7. 苯可導致胎兒先天性缺陷。在整個妊娠期間吸入大量甲苯的婦女,所生的嬰兒出現小頭畸形、
        中樞神經系統功能障礙及生長發育遲緩等缺陷的較多。甲苯還可通過胎盤進入胎兒體內,
        導致出生嬰兒體重下降,骨化延遲等情況。

      8. 苯會對皮膚和上呼吸道造成損傷。經常接觸苯,皮膚可因脫脂而變得干燥而脫屑,
        有的出現過敏性濕疹。喉頭水腫、支氣管炎及血小板下降等病癥也與苯污染超標有關。



        1. 中毒癥狀
        2. 苯輕度中毒會造成嗜睡、頭痛、頭暈、
          惡心、嘔吐、胸部緊束感等;
          重度中毒可出現視物模糊、
          震顫、呼吸淺、心律不齊、抽搐和昏迷;
          少數嚴重病例會出現呼吸和循環衰竭而死亡。
          美國專家進行的流行病學調查顯示,
          在接觸油漆的工人中,
          早老性癡呆病發病率顯著升高。
          長期接觸苯系混合物的工人
          再生障礙性貧血罹患率較高,并可引起白血病。
        1. 苯污染的表現形式
        2. 室內環境中的苯污染主要來自含苯的
          膠黏劑、油漆、涂料和防水材料的溶劑或稀釋劑。
          苯已經被世界衛生組織確認為強烈致癌物質,
          短時間內吸入高濃度的苯
          可引起中樞神經系統抑制為主的急性苯中毒。
        1. 特別注意
        2. 苯為無色具有特殊芳香味的液體,專家們稱之為“芳香殺手”。
        3. 很多聞起來有特殊香味的油漆需要更加小心。
        4. 長期吸入會侵害人的神經系統,急性中毒會產生神經痙攣甚至昏迷、死亡。
        5. 在白血病患者中,有很大一部分有苯及其有機制品接觸歷史。
      亿客隆彩票
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