1)  concave surface
凹面
2)  Concave surface+
凹面+
3)  concave roll
凹面辊
4)  Concave Anvil
凹面砧
5)  concave roller
凹面辊子
1.
Studying of the mathematical model of the concave roller curved surface for steel pipe transportation equipment;
钢管轧制输送设备中凹面辊子曲面数学模型的研究
2.
According to the geometry relations of steel pipe and the roller at the steel pipe transportation,we established the mathematical model of roller curved surface,using the vector analysis method,and inferred the concave curved surface equation of concave roller,which provided the theory basis for calculated the forced parameters and the optimized design to concave roller.
根据钢管输送过程中钢管与辊子的几何关系建立了辊子曲面的数学模型,运用矢量分析法推导了凹面辊子的辊形曲面方程,为凹面辊子的力学分析及优化设计提供理论依据。
6)  Concave rise
凹面向上
参考词条
补充资料:凹面光栅
分子式:
CAS号:

性质:又称罗兰光栅(Rolland grating)。它的作用是使光既衍射又聚焦。因而凹面光栅摄谱仪只需光栅、狭缝及感光板三部分。它可减少吸收现象,只存在光栅面一次反射的光损失,且无色差。可用于远紫外及远红外光谱区域。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。