Its main types are magnesium silicate composite insulation material, silicon magnesium aluminum composite insulation materials and rareearth composite thermal insulation material.
它的材料主要种类有硅酸镁复合保温材料、硅镁铝复合保温材料和稀土复合保温材料。
2
The research status worldwide of rareearth passivation treatment of carbon steel and stainless steel, aluminum, zinc, copper, magnesium and its alloy were summarized.
总结了碳钢和不锈钢以及铝、锌、铜、镁等金属及其合金稀土钝化处理的国内外研究状况。
3
Zirconium in rareearth - magnesium - zirconium master alloy was determined by EDTA titrimetry.