静电对人体不会造成伤害的真正原因是什么?求大神帮助

2025-04-06 17:17:22
推荐回答(1个)
回答1:

静电会影响人体的健康 你曾否注意到,在干燥的冬春季节,当脱下毛衣或尼龙、涤纶等化纤衣服时,或是拉起的确良被套时,除听到噼噼啪啪的响声外,暗影里还能看到闪烁的火花。 除上述现象外,还会发现,当你用手触及门把、水龙头、椅背、床栏等金属器物,或是两人相撞时,会有电击感;用塑料梳子梳头,总感到头发梳不拢;在混纺的衣服上常常落满尘埃,使劲用手拍总是拍不掉……以上种种都是日常生活中常见的静电现象。 平时由于摩擦起电的时间很短,故而所产生的电流量亦很小,一般不致造成人体危害。然而由于静电能吸附尘埃及尘埃中含有的细菌、病毒及有害物质,被吸入后一方面使人心情烦躁,头晕胸闷、喉鼻不适;另一方面尘埃中的多种致敏原可使过敏体质者皮肤发炎,并诱发支气管哮喘等过敏性疾病。合成纤维衣料与皮肤相互摩擦所产生的静电,有时会改变人体体表的电位差,进而妨碍正常的心电传导,引起室性早搏等心律失常。此外,持久的静电还可引起人体血液的PH值升高,血钙减少,尿中钙排泄量增加,尤其对儿童、老人、孕妇及乳母的健康,危害更甚。 为消除生活中的静电危害,理应做到:卧室内尽量不放或少放家用电器,以免人体与电器间所产生的电场因碰触而起静电;使用木梳,不用塑料梳;内衣、被单、被罩应是天然纺织物,外衣为化纤者用抗静电洗涤剂洗涤之;增加湿度,使居室内室气相对湿度保持在有益于人体健康的45-65%之间。

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