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按国家规定,居民住宅区内的噪声标准是白天在50 dB以下,夜间在40dB以下。如果人们长期在噪声超标准的环境中生活,就会产生烦躁不安、神经衰弱、心跳加快、血压升高、食欲不振、睡眠不宁等症状,给人的身心健康带来危害。下面给你介绍几种消除室内噪声的方法。
According to state regulations, the noise level in residential areas is below 50 dB in daytime and below 40 dB in nighttime. If people live in a noisy and long-term environment for a long time, they will have restlessness, neurasthenia, rapid heartbeat, high blood pressure, poor appetite and restless sleep, which will bring harm to people’s physical and mental health. Here are some ways to eliminate indoor noise.