polycrystalline graphite 中文意思是什麼
polycrystalline graphite
解釋
多晶石墨- polycrystalline : 多結晶體
- graphite : n 【化學】石墨，黑鉛，炭精；鉛筆粉。 colloidal graphite膠體石墨。 graphite electrode 【電學】石墨...
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Polycrystalline diamond compact ( pdc ) has been widely used in earth drilling, cutting of various materials such as non - ferrous metal and their alloy, hard metal alloy, graphite, plastics, rubber, ceramics. it ' s faced with polycrystalline diamond sintered from diamond powder
聚晶金剛石復合片（ polycrystallinediamondcompact ）已廣泛應用於地質鉆探、非鐵金屬及合金、硬質合金、石墨、塑料、橡膠、陶瓷、木材等材料的切削加工等用途中。 -
The latter structure is composed of polycrystalline graphite in fact. a large amount of sic > 2 single crystals with the size of lonm appears in the film when the time of the post - heating is increased to five hours
當退火時間延長到5個小時，薄膜的結晶度和600退火一個小時的薄膜相類似，不過，薄膜中大量存在的是10nm左右的sio2晶粒。
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