The InN microtubes are hexagonal in cross section and exhibit helical structure with both right-handed and left-handed helicities and a wide distribution of helical angles.
微米管为六边形截面的螺旋型结构,同时具有左手、右手螺旋,螺旋角分布宽。
参考来源 - 氮化铟一维纳/微米结构的可控制备和表征·2,447,543篇论文数据，部分数据来源于NoteExpress
Shi和Li的人造聚合物管直径大约50微米——大约为人类毛发的一半宽度。
Shi and Li's artificial polymer tubules have a diameter of around 50 microns - about half the width of a human hair.
这根弦大约一微米长，直径两纳米，是根炭纳米管。
The wires are made of carbon nanotubes that measure approximately 2 nanometers in diameter.
只要微孔管的结构与微孔管的毛细孔径控制恰当，可以将0.2微米的微粒绝大部份滤住。
As long as the structure and the pore diameter of microporous tube can be controled appropriately, the vast majority of 0.2 micron particulates can be filtered out.
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