aluminum powder

基本解释

To draw lines, the Etch A Sketch's stylus scrapes aluminum powder from the underside of a glass screen.
在绘制线条的时候，需要用蚀刻素描笔刮去玻璃屏幕底部的铝粉。
The effects of aluminum powder in sensitization of explosive are analyzed in detail and the experimental results are given.
详细地分析了铝粉的敏化作用原理，并给出了实验结果；
But a new mixture of nano-aluminum powder and frozen water could make rocket launches more environmentally friendly, and even allow spacecraft to refuel at distant locations such as the moon or Mars.
但是，一种融合了纳米铝粉和冰的新型燃料将使火箭发射更加环保，甚至允许宇宙飞船在遥远的地点如月球或者火星上添加燃料。

Inside the plastic case is a non-toxic aluminum powder, mixed in with some plastic beads to keep the powder flow smooth and consistent.
FORBES: How Does An Etch A Sketch Work, Anyway?
Unfortunately, the bottom feels like it's made of plastic, though Samsung tells us it's made of a powder coated aluminum.
ENGADGET: Samsung Series 9 (NP900X3A) laptop review

铝粉
Electroless nickel plating process and its study trends on inorganic powder such as graphite powder, ceramic powder, aluminum powder, diamond, hollow glass microsphere were reviewed.
综述了无机粉末如石墨粉末、陶瓷粉末、铝粉、金刚石颗粒、空心玻璃微球等材料的化学镀镍研究及发展趋势。
机械工程
铝粉
The aluminum powder whit 40μm in size was firstly coated copper and then the copper coated powder was coated silver.
首先将粒径为40μm的铝粉进行镀铜，得到的镀铜粉体再进行镀银。
土木建筑工程
银粉