Distinct crystalline components are really distinct regarding their hardness along with other Attributes, which establish with which procedures and how easily they are often Slice and polished with good quality.人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容
1) The zero expansion glass ceramics have Unique properties. In the event the temperature variations, the transform of geometry and distance is sort of zero.Nationwide Geographic emphasizes that E6 glass is just one illustration of how glass is being reinvented for making massive technological and industrial progress.Also, it's got grinding and pol