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US6083859A Boron oxide-silicon dioxide mixed oxide 失效
氧化硼 - 二氧化硅混合氧化物

Boron oxide-silicon dioxide mixed oxide
摘要:
A boron oxide-silicon dioxide mixed oxide which has a BET surface of less than 100 m.sup.2 g, and optionally containing oxides of aluminium, titanium or zirconium, is prepared pyrogenically by flame hydrolysis. The mixed oxide is used in glass making.
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