热氧化失重产物中升华的固体物质占大部分；
The products of thermal weight loss is largely sublimated solid matter.
适当引入氮化硅，降低了铝炭砖的氧化失重率，提高了其抗脱磷剂侵蚀的能力及砖的抗氧化性能。
With well-suited amount of si 3n 4 added, the oxidation loss rate of aluminum-carbon bricks can be decreased, and their anti-oxidation ability and corrosion resistance improved.
对煅烧后的试样的氧化百分率、失重、致密层和致密层的显微结构特点作了鉴定。
Evaluation of the fired samples for oxidation percentage, weight loss, dense zone and microstructural characteristics of the zone is carried out.
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