分析结果表明：包裹物的主要成分是碳和氧，碳来源于石墨坩埚和石墨发热体，而杂质氧则来源于原料中的含氧化合物和生长过程气氛中氧的进入。
The results show that the main components of inclusion are carbon and oxygen. Carbon impurity comes from graphite crucible and heater, while oxygen impurity from the oxides in the raw material…
认为石墨筒内的温度场分布主要取决于发热体、烧结制品和石墨舟皿的布置位置以及气体的流动方式。
The results showed that the distribution of temperature field is mainly affected by the gas flow path and the distributions of heating source, sintered products, and graphite boards.
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