The method has the advantages of strong continuity, good separation effect, high purity and low impurity content.
本发明方法工艺连续性强、分离效果好、纯度高、杂质含量低。
Made of imported high purity graphite material with low impurity content, no transformation in long term high temperature.
用进口高纯石墨材料制作，杂质含量低，长期在高温下使用不变形。
Made by imported high quality graphite material with low impurity content, no out of sharp issue under long time high temperature.
用进口高纯石墨材料制作，杂质含量低，长期在高温下使用不变形。
The effective methods to avoid the cracking include lowering strictly the content of impurity and adopting low temperature welding process.
有效的改进措施是严格控制杂质含量、将高温焊接工艺改为低温焊接工艺。
The refractories prepared with high impurity raw materials have poor creep resistance because of the high glass phase content and its low viscosity ;
材料的蠕变性能受显微结构影响，牢固的莫来石网络骨架是制备低蠕变耐火材料的关键；
The refractories prepared with high impurity raw materials have poor creep resistance because of the high glass phase content and its low viscosity ;
材料的蠕变性能受显微结构影响，牢固的莫来石网络骨架是制备低蠕变耐火材料的关键；
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