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</div></div> <div id="x2vadh25c" class="main"> <div id="x2vadh25c" class="main-left"> <div id="x2vadh25c" class="article"> <h1 class="title">碳?xì)浠衔锏奈：τ心男?/h1> <div id="x2vadh25c" class="info"> <span id="x2vadh25c" class="source"><a target="_blank" href="http://www.msguai.com/z/" title="學(xué)人智庫(kù)">學(xué)人智庫(kù)</a></span> <span id="x2vadh25c" class="time">時(shí)間：2018-01-11 </span> <span id="x2vadh25c" class="publish"><a target="_blank" href="http://www.msguai.com/usr/login.html" title="我要投稿">我要投稿</a></span> </div> <script type="text/javascript">s("content_top");</script> <div id="x2vadh25c" class="cont_sourece">【www.msguai.com - 學(xué)人智庫(kù)】</div> <div id="x2vadh25c" class="content"><p>對(duì)于我們生活的環(huán)境，越來(lái)越多的污染使得我們很難忍受這種環(huán)境，污染環(huán)境的污染物很多，包括碳?xì)浠衔铮蚧衔锏?今天我們的標(biāo)題是碳?xì)浠衔锏奈：�，那么首先讓我們�(cè)敿?xì)的了解一下碳?xì)浠衔锇?/p> <p>碳?xì)浠衔飳儆谟袡C(jī)化合物中最簡(jiǎn)單的一類(lèi)，又稱為烴。它的定義是僅有碳?xì)鋬煞N元素組成的有機(jī)化合物叫碳?xì)浠衔镉址Q為烴。烴按照碳骨架的形狀可以分為鏈烴(開(kāi)鏈脂肪烴)和環(huán)烴。</p> <p>碳?xì)浠衔锸谴髿庵兄匾奈廴疚�，大氣中以氣態(tài)形式存在的碳?xì)浠衔锏奶荚訑?shù)目主要在1-10個(gè)的烴類(lèi)，一般他們都能夠揮發(fā)。這些分子量較小的碳?xì)浠衔锸切纬晒饣瘜W(xué)煙霧的主要參與者。其它一些碳?xì)浠衔锎蟛糠忠詺馊苣z的形式存在于大氣中。</p> <p>l 相比較而言，開(kāi)放程度大的鏈烯烴活性高于較為封閉的環(huán)烯烴，含有氧原子的碳?xì)浠锘钚愿哂阪溚闊N。 l</p> <p>對(duì)人體的危害</p> <p>l 對(duì)絕大多數(shù)的碳?xì)浠飦?lái)說(shuō)，大氣中含量不高時(shí)對(duì)人體健康不會(huì)造成直接的危害，但是也有少量的碳?xì)浠铮ㄈ缬扇剂喜煌耆紵傻?，4-苯丙芘等）即使在大氣中含量少、濃度低，也會(huì)使人體致癌。而另外一些碳?xì)浠铮ㄈ绫�、甲苯、二甲苯等）在大氣中的濃度高時(shí)（加工廠廠區(qū)局部嚴(yán)重污染）也容易誘發(fā)人體的畸變和癌變，對(duì)人體造成嚴(yán)重傷害。此外，像甲烷等一些氣態(tài)的碳?xì)浠飳?duì)大氣造成的污染也是導(dǎo)致“溫室效應(yīng)”的原因之一。一些碳?xì)浠镌谝欢l件下（如和大氣中的氮氧化物、臭氧等混合存在并在陽(yáng)光照射下）還會(huì)轉(zhuǎn)化成次生污染物并導(dǎo)致產(chǎn)生有害的光化學(xué)煙霧。另外，危害極大的是多環(huán)芳烴，它是指一類(lèi)芳香族烴類(lèi)化合物。已經(jīng)被科學(xué)家所證實(shí)的一類(lèi)致突變和致癌有機(jī)污染物</p> <p>看了以上的內(nèi)容我們知道了碳?xì)浠衔镉心男┪：Γ栽谏钪袨榱祟A(yù)防對(duì)我們的身體造成傷害，出門(mén)記得戴口罩，另外呢在我們的身邊可以呼吁大家一起植樹(shù)，大家都知道綠色植物有凈化空氣的作用，除此之外還有很多的防治辦法，大家可以在網(wǎng)上百度具體的做法.</p></div> <div id="x2vadh25c" class="local_view"></div> <script 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