Cu Sn plating is a right substitute for nickel coating because it is not allergic to human body, can meet antidiffusion requirement and has a lower cost.
电镀铜锡合金是一种合适的代镍镀层，它不使人体过敏，能满足防扩散性能的要求，且成本较低。
2
Anti-glare film and its manufacturing method, polarized component and display equipment using the component, and internal diffusion film.
防眩光膜及其制造方法，偏振部件及应用该偏振部件的显示设备，和内部漫射膜。
3
The mixture ratio of C40 Marine high performance concrete is optimized through test of the hydration heat of binding material, slump, chloride ion diffusion coefficient, anti-crack rand of concrete.