1) hexagonal hole
六方孔
1.
A new method for processing the hexagonal hole in the axle by hot backward extrusion on the friction press was proposed,which threw away the traditional milling or slotting method.
对轮轴上六方孔的加工提出了摒弃传统的铣插加工方法 ,采用在摩擦压力机上进行热反挤压成型 ,并就可能出现的缺陷及防止措施进行了探讨。
2) hexagonal mesopore
六方介孔
1.
TEM and SEM results showed that silica microspheres were monodispersed and hollow;SXRD showed that hexagonal mesopores are in silica microsphere shell;experiment results indicated that the size of silica microspheres can be adjusted by the size of template microspheres,and thickness of the silica shell can be changed by adjusting tetraethyl orthosilicate.
小角XRD表明球壳上具有六方介孔结构。
3) Hexagonal mesoporous
六方介孔相
4) hexagonal mesopore silica
六方中孔SiO_2
6) ordered hexagonal pore arrays
有序六方孔阵
补充资料：方孔钱
1.中国古代钱币的俗称。秦以来的古钱币除王莽一度行刀布外﹐中间都有一方孔﹐故称。方孔钱由"环钱"演变而成﹐以秦的"半两钱"为最早﹐清末的"宣统通宝"为最晩。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条