硅(gui)(gui)(gui)(gui)(gui)大(da)(da)量用(yong)(yong)于(yu)冶(ye)煉(lian)成硅(gui)(gui)(gui)(gui)(gui)鐵合(he)(he)(he)金(jin)作(zuo)鋼鐵工(gong)業中合(he)(he)(he)金(jin)元(yuan)素(su)，在很多種金(jin)屬冶(ye)煉(lian)中作(zuo)還原劑。硅(gui)(gui)(gui)(gui)(gui)還是鋁(lv)合(he)(he)(he)金(jin)中的(de)(de)(de)(de)(de)良好組元(yuan)，絕(jue)大(da)(da)多數鑄造鋁(lv)合(he)(he)(he)金(jin)都含有(you)硅(gui)(gui)(gui)(gui)(gui)。硅(gui)(gui)(gui)(gui)(gui)是電(dian)(dian)(dian)(dian)子(zi)工(gong)業超(chao)純硅(gui)(gui)(gui)(gui)(gui)的(de)(de)(de)(de)(de)原料，超(chao)純半導(dao)體(ti)單晶(jing)硅(gui)(gui)(gui)(gui)(gui)做的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)子(zi)器件具有(you)體(ti)積小(xiao)(xiao)、重量輕、可(ke)靠性好和壽命(ming)長等(deng)優(you)點。摻有(you)特(te)定(ding)微(wei)量雜質的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)(gui)(gui)單晶(jing)制(zhi)(zhi)成的(de)(de)(de)(de)(de)大(da)(da)功(gong)率(lv)晶(jing)體(ti)管、整流器及太(tai)陽能(neng)電(dian)(dian)(dian)(dian)池，比(bi)用(yong)(yong)鍺單晶(jing)制(zhi)(zhi)成的(de)(de)(de)(de)(de)好。非晶(jing)硅(gui)(gui)(gui)(gui)(gui)太(tai)陽能(neng)電(dian)(dian)(dian)(dian)池研(yan)究進展很快，轉換率(lv)達(da)到了(le)8%以上(shang)。硅(gui)(gui)(gui)(gui)(gui)鉬棒電(dian)(dian)(dian)(dian)熱(re)元(yuan)件使用(yong)(yong)溫度可(ke)達(da)1700℃，具有(you)電(dian)(dian)(dian)(dian)阻不(bu)易(yi)老化(hua)(hua)(hua)(hua)和良好的(de)(de)(de)(de)(de)抗氧(yang)化(hua)(hua)(hua)(hua)性能(neng)。用(yong)(yong)硅(gui)(gui)(gui)(gui)(gui)生產的(de)(de)(de)(de)(de)三氯氫(qing)硅(gui)(gui)(gui)(gui)(gui)，可(ke)配制(zhi)(zhi)幾百種硅(gui)(gui)(gui)(gui)(gui)樹脂潤(run)滑劑和防水(shui)化(hua)(hua)(hua)(hua)合(he)(he)(he)物等(deng)。此外，碳化(hua)(hua)(hua)(hua)硅(gui)(gui)(gui)(gui)(gui)可(ke)作(zuo)磨料，高純氧(yang)化(hua)(hua)(hua)(hua)硅(gui)(gui)(gui)(gui)(gui)制(zhi)(zhi)作(zuo)的(de)(de)(de)(de)(de)石(shi)(shi)英管是高純金(jin)屬冶(ye)煉(lian)及照明(ming)燈具的(de)(de)(de)(de)(de)重要材料。八十(shi)年(nian)代的(de)(de)(de)(de)(de)紙(zhi)張——硅(gui)(gui)(gui)(gui)(gui)人們(men)稱硅(gui)(gui)(gui)(gui)(gui)為“八十(shi)年(nian)代的(de)(de)(de)(de)(de)紙(zhi)張”。這是因為紙(zhi)張只(zhi)能(neng)記錄信息(xi)，而(er)硅(gui)(gui)(gui)(gui)(gui)不(bu)僅(jin)能(neng)記載信息(xi)，還能(neng)對信息(xi)進行處理加工(gong)以獲得新的(de)(de)(de)(de)(de)信息(xi)。1945年(nian)制(zhi)(zhi)造的(de)(de)(de)(de)(de)世界上(shang)電(dian)(dian)(dian)(dian)子(zi)計算(suan)機(ji)(ji)，裝有(you)18000個(ge)電(dian)(dian)(dian)(dian)子(zi)管、70000只(zhi)電(dian)(dian)(dian)(dian)阻、10000只(zhi)電(dian)(dian)(dian)(dian)容(rong)，整個(ge)機(ji)(ji)器重30噸，占地170平方(fang)米，相當(dang)于(yu)10間房子(zi)大(da)(da)小(xiao)(xiao)。而(er)今(jin)天的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)子(zi)計算(suan)機(ji)(ji)，由于(yu)技術的(de)(de)(de)(de)(de)進步和材質的(de)(de)(de)(de)(de)改善，在一(yi)個(ge)指甲蓋大(da)(da)小(xiao)(xiao)的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)(gui)(gui)片上(shang)，可(ke)以容(rong)納上(shang)萬個(ge)晶(jing)體(ti)管；并且有(you)輸(shu)入、輸(shu)出、運算(suan)、存儲和控制(zhi)(zhi)信息(xi)等(deng)一(yi)系列(lie)功(gong)能(neng)。微(wei)孔硅(gui)(gui)(gui)(gui)(gui)鈣保(bao)溫材料微(wei)孔硅(gui)(gui)(gui)(gui)(gui)鈣保(bao)溫材料是一(yi)種優(you)良的(de)(de)(de)(de)(de)保(bao)溫材料。它具有(you)熱(re)容(rong)量小(xiao)(xiao)、機(ji)(ji)械強度高、導(dao)熱(re)系數低(di)、不(bu)燃燒、無毒無味、可(ke)切割、運輸(shu)方(fang)便等(deng)特(te)點，可(ke)廣泛用(yong)(yong)于(yu)冶(ye)金(jin)、電(dian)(dian)(dian)(dian)力、化(hua)(hua)(hua)(hua)工(gong)、船(chuan)舶等(deng)各(ge)種熱(re)力設備及管道上(shang)。經測試，節能(neng)效益優(you)于(yu)石(shi)(shi)棉、水(shui)泥(ni)(ni)、蛭(zhi)石(shi)(shi)和水(shui)泥(ni)(ni)珍珠巖等(deng)保(bao)溫材料。特(te)種硅(gui)(gui)(gui)(gui)(gui)鈣材料可(ke)用(yong)(yong)作(zuo)催化(hua)(hua)(hua)(hua)劑載體(ti)，在石(shi)(shi)油(you)煉(lian)制(zhi)(zhi)、汽車尾氣凈化(hua)(hua)(hua)(hua)等(deng)多方(fang)面廣泛應用(yong)(yong)。

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