luminous surface absorptivity 发光面吸收率 ; 发光表面吸收率
radiant surface absorptivity 辐射表面吸收率
surface effective absorptivity 壁面有效吸收系数
The energy absorptivity and hardness of knife surface are obviously increased using graphite coating during laser thermal treatment for high speed steel knife.
采用石墨涂层，对高速钢刀片进行了激光热处理，显著地提高了刀片表面的能量吸收率和硬度。
The effect of cover treatment with PVC on the absorptivity, filament strength and surface state of the noil ramie is studied in the paper.
本文研究了PVC包覆处理对苎麻落麻纤维的吸水性、纤维表面状态、纤维单丝强度等的影响。
It can be chosen when the absorptivity rate of surface coat to laser power reaches 30%, and it is not necessary to pursue high absorptivity rate.
在选择表面涂层时，只要所选物质对激光的吸收率超过30%即可满足要求，不必过于追求高吸收率。
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