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石英坩堝
石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)是(shi)一(yi)種(zhong)只含二氧化(hua)硅單一(yi)成(cheng)份(fen)的(de)(de)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)。由于(yu)種(zhong)類、工藝、原料的(de)(de)不(bu)同(tong),國(guo)外常(chang)常(chang)叫做硅酸玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)、石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)、熔(rong)(rong)融石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)、熔(rong)(rong)凝石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)、合成(cheng)熔(rong)(rong)融石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying),以(yi)及(ji)沒有明(ming)確概念的(de)(de)透明(ming)、半透明(ming)、不(bu)透明(ming)石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)等。我國(guo)統(tong)稱石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li),多按工藝方法、用途及(ji)外觀來分類,如電熔(rong)(rong)透明(ming)石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)、連熔(rong)(rong)石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)、氣煉(lian)透明(ming)石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)、合成(cheng)石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)、不(bu)透明(ming)石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)、光學石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)、半導體用石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)、電光源用石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)玻(bo)(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)(li)等。人(ren)們習慣于(yu)用“石(shi)(shi)(shi)(shi)英(ying)(ying)(ying)(ying)”這樣(yang)一(yi)個簡
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石英坩堝
石(shi)英玻璃(li)是以含(han)二(er)氧化(hua)硅(gui)物質,如水晶(jing)、硅(gui)石(shi)。四(si)氧化(hua)硅(gui)為原(yuan)料(liao)高溫熔制(zhi)而成(cheng)。其二(er)氧化(hua)硅(gui)含(han)量比普通玻璃(li)高得多,一般石(shi)英玻璃(li)二(er)氧化(hua)硅(gui)含(han)量在99.999%。石(shi)英玻璃(li)具有優異的光(guang)(guang)學性能,不僅可見光(guang)(guang)透(tou)光(guang)(guang)度(du)特(te)別好,而且透(tou)紫(zi)外線,紅外線。
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