The aluminum film retains its high polish much longer than does silver, and it can be repolished, whereas silver can not. 鋁膜保持高度的光潔的時(shí)間比銀粉長(cháng)多了，而且鋁膜可以再次磨光，而銀粉層卻不行。
The bright nanometer Ag powder is one important type of the precious metal powder materials. 納米光亮銀粉是貴金屬粉體材料的重要品種之一。
Aluminum powder is placed in a saturated solution of ammonium perchlorate in water. 鋁粉放在過(guò)氯酸銨的飽和溶液中。
It is effective to paint the bulb of a thermometer with a little aluminum paint. 在溫度計的玻泡上稍微涂點(diǎn)鋁粉涂料是很有效的。
