低频噪音的危害是什么？

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    现代科技在给人们的生活带来便利的同时，也对人们的身心健康产生了深远的影响。其中，低频噪音的危害虽然还没有得到人们的足够重视，但其对身心健康造成的慢性损伤，却不容忽视。那么，低频噪音的危害是什么，应该怎样进行防治呢？

    专家表示，凡是噪音都会对身心健康产生影响，而低频噪音的危害则更为深远。低频噪音一般是指频率在500赫兹以下的声音，常见的声源有电梯、变压器、中央空调（包括冷却塔）及交通噪声等。

    低频噪音的危害

    专家指出，噪音污染已经是世界七大公害之首，而低频噪音对人体是种慢性损伤，更不容忽视。

    低频噪音由于可直达人的耳骨，而且会使人的交感神经紧张，心动过速，血压升高，内分泌失调。人被迫接受这种噪音，容易产生烦恼、激动、易怒等不良情绪，甚至失去理智。如果长期受到低频噪音袭扰，就会诱发神经衰弱、失眠、头痛等各种神经官能症，甚至影响到孕妇腹中的胎儿。

What is the low-frequency noise hazards?

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    Modern science and technology to bring convenience to people"s lives, while also contributing to the physical and mental health had a profound impact. Among them, low-frequency noise harm although there has not been enough attention, but their physical and mental health caused by chronic injury, but should not be overlooked. So, what is the harm low-frequency noise, how to prevent and treat it?

    Experts say that any noise would have an impact on the physical and mental health, while the low-frequency noise is even more far-reaching harm. Low-frequency noise generally refers to frequencies below 500 Hz and the voice of the common sound source has elevators, transformers, central air conditioning （including cooling towers）, and traffic noise.

    Low-frequency noise hazards

    Experts point out that noise pollution is already the world"s first in seven public nuisance, while the low-frequency noise on the human body is the kinds of chronic injury, but should not be overlooked.

    Low-frequency noise due to direct access to people"s ear bones, and will make people sympathetic nervous, tachycardia, high blood pressure, endocrine disorders. People were forced to accept that such noise can easily lead to trouble, excitement, irritability and other negative emotions, and even irrational. If long-term harassment by low-frequency noise, it will induce neurasthenia, insomnia, headaches and other neuroses, and even affect the unborn fetus of pregnant women.


    Prevention and treatment of low-frequency noise

    In view of the dangers of low-frequency noise, experts advise, daily life, we should pay attention to take preventive measures, particularly in the housing aspect of the decoration should pay attention to choose the right materials and processes. For example the use of solid wood on the ground floor of the noise effects of good; on the ground or the channel part of the carpet can also reduce the noise; can use professional acoustic materials, acoustic ceiling do; 90% of the external noise is coming from the windows and doors pass, so the choice of noise Good windows and doors is very important; multi-use craft decoration and soft decorative fabric. In general, the more the better thick sound-absorbing curtains, texture to cotton, linen and the best; in the street windowsill, balcony placing more green foliage, but also can reduce the incoming noise.

    Finally, the mental health network of experts emphasized that the dangers of chronic low-frequency noise, long-term is affected may be induced neurasthenia, insomnia and other mental disorders. Therefore, if the above symptoms of the disease must consult a doctor for treatment as soon as possible, do not ignore the low-frequency noise hazards resulting in serious consequences.

    低频噪音的防治

    鉴于低频噪音的危害性，专家提醒，日常生活中要注意做好防治措施，尤其在房屋的装修方面要注意选好材料和工艺。比如地面使用实木地板的隔音效果较好；在地面或者通道部分铺地毯也可以降低噪音；可以用专业的隔声材料做隔音吊顶；90%的外部噪音是从门窗传进来的，因此，选择隔音好的门窗非常重要；多选用布工艺装饰和软性装饰。一般来说，越厚的窗帘吸音效果越好，质地以棉麻**佳；在临街的窗台、阳台摆放一些枝叶较多的绿色植物，也能降低噪音的传入。

    **后，精神健康网专家强调，低频噪音的危害是慢性的，长期受到侵袭就可能诱发神经衰弱、失眠症等精神障碍性疾病。因此，如果出现以上疾病症状，一定要尽快咨询医生进行治疗，千万不要忽视了低频噪音的危害而酿成严重后果。