tap density的用法和樣例：
例句
- So RF plasma is a promising method for preparation of spherical submicron nickel powders with high tap density.
高頻等離子體法是製備電極用高振實密度微細球形粉體的有效技術。 - The results showed that the aerated density and the trapped density reduced with decreasing of the particle size, but the trapped density changed in a stable range.
結果表明，隨著魚粉粒度的減小，其松密度逐漸降低，振實密度也相應減小，但振實密度基本保持在一個較為穩定的範圍內。
