The results show that RE-Al alloying can improve the hardness, the strength and the oxide filmdensity of the piercing plug.
研究结果表明,稀土铝合金化可提高材料的硬度、强度及氧化膜的致密度。
2
To revise the effects from fatigue extent of automatic developing solution on the filmdensity by way of measuring density change of the brain ct films.
通过观测CT照片密度变化,缩小自动冲洗套药疲劳度对CT照片密度的影响。
3
This article discusses the test methods of dry filmdensity, solvent content, and weight loss during baking of the cathodic electrophoresis paints, as well as the influencing factors.