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    東方明珠小學生日記大全網

    減少燃放煙花爆竹 作文500字

    東方明珠小學生日記大全網 http://www.azhugong.com 2019-04-27 02:05 出處:網絡 編輯:



      過年佳節,大家肯定都十分開心,所以煙花爆竹對于大家肯定十分熟悉。那絢麗多姿的煙花,那震耳欲聾的聲音。無不傾述著人們對歡慶春節的快樂。但是眾所周知。煙花爆竹對人類、對環境都有危害,今天我就為大家總結一下燃放煙花爆竹的危害。



      首先,是對環境的危害。燃放鞭炮時會釋放出大量的有害氣體,例如:二氧化硫(SO2 )、二氧化碳(NO2) 等。二氧化硫進入大氣層后,氧化為硫酸(SO4),在云中形成酸雨(酸雨被稱為“空中死神”),能強烈腐蝕建筑物和工業設備;酸雨可導致樹木、森林死亡,湖泊中魚蝦絕跡,土壤營養遭到破壞,使作物減產或死亡。二氧化碳會刺激人的眼、鼻、喉和肺;另外還形成城市煙霧,影響可見度;并且會形成硝酸小液滴,也產生酸雨。當然,在燃放鞭炮的過程中不止產生這兩種有害的氣體,像沒有燃盡的火藥以及剩下的灰塵都是一種污染。由此可見,在燃放鞭炮時所釋放的有害物質給空氣造成污染。



      還有噪音的危害,每當燃放煙花爆竹的時候,噪音危害非常之大,它燃放時的分貝高達135,而我們人類在夜間能承受的聲音最大為45分貝。這大大超出了人類。所能承受分貝。長時間在這種超高分貝的情況下,我們的耳膜會受到極大的傷害,使感染耳膜疾病的概率大大增加。與此。同時,還會使人們感到煩悶,導致得抑郁。癥。



      燃放煙花爆竹的危害如此之大,請大家為環境著想,為他人著想,禁。止燃。放煙花爆竹。



      【作者:許成。杰】




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