1) aperture ratio
孔径比
2) diameter ratio
孔径比
3) effective aperture ratio
有效孔径比
1.
Research on fused silica microlens arrays with high effective aperture ratio;
高有效孔径比面阵石英微透镜阵列研究
4) length aperture ratio
长度孔径比
1.
Relation of polarizing prism s length aperture ratio and material characteristics;
偏光棱镜长度孔径比与材料特性的关系
5) fouling mechanism
粒径/膜孔径比
6) cell size
孔径
1.
The electromagnetic shielding effectiveness of aluminum foam was measured as a function of cell size and thickness when the frequency is between 50 and 1050MHz.
采用加压渗流法制备不同特征参数的开孔泡沫铝,在50~1050MHz电磁波频率内研究了开孔泡沫铝的屏蔽特性,并探讨了泡沫铝的孔径和厚度对其电磁屏蔽性能的影响。
2.
The open-cell aluminum foams have been produced by pressure infiltrating process,and the structural parameters such as cell size and porosity of the aluminum foams were controlled by adjusting process parameter.
本文采用加压渗流方法制备开孔结构的泡沫铝,并通过调整工艺参数改变泡沫铝的孔径和相对密度。
3.
The effects of the structural parameters such as cell size and porosity on the electrical conductivity of aluminum foams were investigated in this paper.
研究了孔隙率及孔径的变化对开孔泡沫铝导电性的影响。
参考词条
补充资料：孔径比
分子式：
CAS号：
性质：又称相对孔径(relative aperture)。摄谱仪暗箱物镜的有效孔径(d)与暗箱的焦距(f)之比值。它是影响摄谱仪集光本领的重要因素，通常以d/f表示。
CAS号：
性质：又称相对孔径(relative aperture)。摄谱仪暗箱物镜的有效孔径(d)与暗箱的焦距(f)之比值。它是影响摄谱仪集光本领的重要因素，通常以d/f表示。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。