Raw graphite powder made from graphite ores and treated by various methods was sintered at high temperature to obtain higher pure graphite powder for synthesizing diamond.
对石墨矿石采用不同的处理方法得到了原料石墨粉，再经高温烧结获得了高纯度合成金刚石所需的石墨粉。
2
Obviously, the composition, structure and properties of the intermediate layer play an important role in some main properties of the sintered polycrystalline diamond.
显然，这种中间层的组分、结构和性质对于烧结多晶金刚石的某些主要性质有着重要作用。
3
The experiments and studies on dressing the resin bond diamond grinding wheel are carried out by using a kind of diamond powder sintered bar.