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Improved furnace for electrically melting silica and silica-containing glasses
Improved furnace for electrically melting silica and silica-containing glasses
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机译:改进的电熔硅石和含硅玻璃的熔炉
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摘要
A furnace for electrically melting silica and silica-containing glasses comprises a carbon-free crucible made of a refractory metallic oxide, e.g. zirconia or magnesia, which becomes electrically conductive at high temperature and which is capable of reacting with the silica to produce a more refractory stable layer.
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