硅(gui)(gui)(gui)大(da)(da)量(liang)用(yong)(yong)于(yu)冶(ye)煉(lian)成(cheng)硅(gui)(gui)(gui)鐵(tie)合(he)金(jin)作(zuo)(zuo)(zuo)鋼鐵(tie)工(gong)業(ye)中合(he)金(jin)元素，在很多(duo)種(zhong)(zhong)金(jin)屬(shu)冶(ye)煉(lian)中作(zuo)(zuo)(zuo)還(huan)原劑。硅(gui)(gui)(gui)還(huan)是(shi)鋁合(he)金(jin)中的(de)(de)(de)(de)良好(hao)組(zu)元，絕大(da)(da)多(duo)數(shu)鑄(zhu)造(zao)鋁合(he)金(jin)都含有(you)(you)(you)硅(gui)(gui)(gui)。硅(gui)(gui)(gui)是(shi)電(dian)(dian)(dian)(dian)(dian)子(zi)工(gong)業(ye)超(chao)純(chun)硅(gui)(gui)(gui)的(de)(de)(de)(de)原料(liao)(liao)，超(chao)純(chun)半導(dao)體(ti)單晶硅(gui)(gui)(gui)做的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)子(zi)器(qi)(qi)件具(ju)有(you)(you)(you)體(ti)積小(xiao)、重(zhong)量(liang)輕(qing)、可(ke)靠性好(hao)和壽命長等(deng)(deng)(deng)優點。摻有(you)(you)(you)特(te)(te)定微量(liang)雜質(zhi)(zhi)的(de)(de)(de)(de)硅(gui)(gui)(gui)單晶制(zhi)成(cheng)的(de)(de)(de)(de)大(da)(da)功(gong)率晶體(ti)管(guan)、整流器(qi)(qi)及太陽(yang)能(neng)電(dian)(dian)(dian)(dian)(dian)池，比用(yong)(yong)鍺單晶制(zhi)成(cheng)的(de)(de)(de)(de)好(hao)。非晶硅(gui)(gui)(gui)太陽(yang)能(neng)電(dian)(dian)(dian)(dian)(dian)池研究進展很快，轉(zhuan)換率達到(dao)了8%以上。硅(gui)(gui)(gui)鉬棒電(dian)(dian)(dian)(dian)(dian)熱(re)(re)元件使(shi)用(yong)(yong)溫(wen)度可(ke)達1700℃，具(ju)有(you)(you)(you)電(dian)(dian)(dian)(dian)(dian)阻(zu)不易老化(hua)(hua)(hua)(hua)和良好(hao)的(de)(de)(de)(de)抗氧化(hua)(hua)(hua)(hua)性能(neng)。用(yong)(yong)硅(gui)(gui)(gui)生產的(de)(de)(de)(de)三氯氫硅(gui)(gui)(gui)，可(ke)配制(zhi)幾百種(zhong)(zhong)硅(gui)(gui)(gui)樹脂潤滑(hua)劑和防水化(hua)(hua)(hua)(hua)合(he)物等(deng)(deng)(deng)。此外(wai)，碳(tan)化(hua)(hua)(hua)(hua)硅(gui)(gui)(gui)可(ke)作(zuo)(zuo)(zuo)磨料(liao)(liao)，高純(chun)氧化(hua)(hua)(hua)(hua)硅(gui)(gui)(gui)制(zhi)作(zuo)(zuo)(zuo)的(de)(de)(de)(de)石(shi)英管(guan)是(shi)高純(chun)金(jin)屬(shu)冶(ye)煉(lian)及照(zhao)明燈具(ju)的(de)(de)(de)(de)重(zhong)要材(cai)料(liao)(liao)。八十年(nian)(nian)代的(de)(de)(de)(de)紙張(zhang)——硅(gui)(gui)(gui)人們(men)稱(cheng)硅(gui)(gui)(gui)為(wei)“八十年(nian)(nian)代的(de)(de)(de)(de)紙張(zhang)”。這(zhe)是(shi)因為(wei)紙張(zhang)只(zhi)能(neng)記錄(lu)信息，而硅(gui)(gui)(gui)不僅能(neng)記載信息，還(huan)能(neng)對信息進行處(chu)理加工(gong)以獲得新的(de)(de)(de)(de)信息。1945年(nian)(nian)制(zhi)造(zao)的(de)(de)(de)(de)世界上電(dian)(dian)(dian)(dian)(dian)子(zi)計算機，裝有(you)(you)(you)18000個(ge)電(dian)(dian)(dian)(dian)(dian)子(zi)管(guan)、70000只(zhi)電(dian)(dian)(dian)(dian)(dian)阻(zu)、10000只(zhi)電(dian)(dian)(dian)(dian)(dian)容，整個(ge)機器(qi)(qi)重(zhong)30噸，占(zhan)地170平方(fang)米，相(xiang)當于(yu)10間房子(zi)大(da)(da)小(xiao)。而今天的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)子(zi)計算機，由(you)于(yu)技術的(de)(de)(de)(de)進步(bu)和材(cai)質(zhi)(zhi)的(de)(de)(de)(de)改善，在一(yi)個(ge)指甲蓋大(da)(da)小(xiao)的(de)(de)(de)(de)硅(gui)(gui)(gui)片(pian)上，可(ke)以容納上萬個(ge)晶體(ti)管(guan)；并且有(you)(you)(you)輸(shu)入(ru)、輸(shu)出、運(yun)算、存儲和控制(zhi)信息等(deng)(deng)(deng)一(yi)系(xi)列功(gong)能(neng)。微孔(kong)硅(gui)(gui)(gui)鈣(gai)保溫(wen)材(cai)料(liao)(liao)微孔(kong)硅(gui)(gui)(gui)鈣(gai)保溫(wen)材(cai)料(liao)(liao)是(shi)一(yi)種(zhong)(zhong)優良的(de)(de)(de)(de)保溫(wen)材(cai)料(liao)(liao)。它具(ju)有(you)(you)(you)熱(re)(re)容量(liang)小(xiao)、機械強度高、導(dao)熱(re)(re)系(xi)數(shu)低(di)、不燃燒、無毒無味、可(ke)切割、運(yun)輸(shu)方(fang)便等(deng)(deng)(deng)特(te)(te)點，可(ke)廣泛用(yong)(yong)于(yu)冶(ye)金(jin)、電(dian)(dian)(dian)(dian)(dian)力(li)、化(hua)(hua)(hua)(hua)工(gong)、船舶(bo)等(deng)(deng)(deng)各(ge)種(zhong)(zhong)熱(re)(re)力(li)設備及管(guan)道上。經測(ce)試，節(jie)能(neng)效益優于(yu)石(shi)棉(mian)、水泥(ni)、蛭石(shi)和水泥(ni)珍珠(zhu)巖等(deng)(deng)(deng)保溫(wen)材(cai)料(liao)(liao)。特(te)(te)種(zhong)(zhong)硅(gui)(gui)(gui)鈣(gai)材(cai)料(liao)(liao)可(ke)用(yong)(yong)作(zuo)(zuo)(zuo)催化(hua)(hua)(hua)(hua)劑載體(ti)，在石(shi)油(you)煉(lian)制(zhi)、汽車尾氣(qi)凈化(hua)(hua)(hua)(hua)等(deng)(deng)(deng)多(duo)方(fang)面廣泛應用(yong)(yong)。

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