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style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">一、</SPAN></SPAN><STRONG>深圳承包噪音治理工程</STRONG><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">種類及特點(diǎn):</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">　　噪音污染按聲源的機(jī)械特點(diǎn)可分為：氣體擾動產(chǎn)生的噪音、固體振動產(chǎn)生的噪音、液體撞擊產(chǎn)生的噪聲以及電磁作用產(chǎn)生的電磁噪聲。噪聲按聲音的頻率可分為：<400Hz的低頻噪聲、400～1000Hz的中頻噪聲及>1000Hz的高頻噪聲。噪音按時間變化的屬性可分為：穩(wěn)態(tài)噪音、非穩(wěn)態(tài)噪音、起伏噪音、間歇噪聲以及脈沖噪音等。</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">二、噪音</SPAN></SPAN><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">的危害：</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">1、損害我們的聽力，長期處于高分貝聲音之下。</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">2、損害視力，因為耳朵與眼睛之間有著微妙的內(nèi)在“"，當(dāng)噪音作用于聽覺器官時，也會通過神經(jīng)系統(tǒng)的作用而“波及"視覺器官，使人的視力下降，重者會使色覺、色視野發(fā)生異常。</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">3、損害心血管系統(tǒng)，高血壓的人長期處于噪音下，會提高發(fā)病率。</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">4、損害神經(jīng)系統(tǒng),影響睡眠，長期在噪音的環(huán)境下，我們?nèi)菀装l(fā)火，心煩意燥，影響睡眠，容易出現(xiàn)精神欠佳。</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">隨著近代工業(yè)的發(fā)展，環(huán)境污染也隨著產(chǎn)生，噪音污染就是環(huán)境污染的一種，已經(jīng)成為對人類的一大危害。噪音污染與水污染、大氣污染被看成是世界范圍內(nèi)三個主要環(huán)境問題。噪音控制在技術(shù)上雖然現(xiàn)在已經(jīng)成熟，但由于現(xiàn)代工業(yè)、交通運(yùn)輸業(yè)規(guī)模很大，要采取噪音控制的企業(yè)和場所為數(shù)甚多，因此在防止噪音問題上，必須從技術(shù)、經(jīng)濟(jì)和效果等方面進(jìn)行綜合權(quán)衡。</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">三、</SPAN></SPAN><STRONG>深圳承包噪音治理工程</STRONG><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">治理常用方法：</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">1、在傳音途徑上降低噪音</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">在傳音途徑上降低噪音，控制噪音的傳播，改變聲源已經(jīng)發(fā)出的噪音傳播途徑，如采用吸音、隔音、音屏障、隔振等措施，以及合理規(guī)劃城市和建筑布局等。</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">2、降低噪音源　　</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">降低聲源噪音，工業(yè)、交通運(yùn)輸業(yè)可以選用低噪音的生產(chǎn)設(shè)備和改進(jìn)生產(chǎn)工藝，或者改變噪音源的運(yùn)動方式（如用阻尼、隔振等措施降低固體發(fā)聲體的振動）。</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">3、受音者或受音器官的噪音防護(hù) 　　</SPAN></SPAN></P><P><SPAN style="FONT-SIZE: 12px"><SPAN style="COLOR: rgb(0,0,0)">受音者或受音器官的噪音防護(hù)，在聲源和傳播途徑上無法采取措施，或采取的聲學(xué)措施仍不能達(dá)到預(yù)期效果時，就需要對受音者或受音器官采取防護(hù)措施，如長期職業(yè)性噪音暴露的工人可以戴耳塞、耳罩或頭罩等。</SPAN></SPAN></P> </div> <div id="5dhjdxn" class="lyNyProDetail_ConTit" id="cpzx"><p>產(chǎn)品咨詢</p></div> <div id="zxnbff5" class="ly_msg"><link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" 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