porous alumina film的用法和樣例：
例句
- Experiments indicate that acetone exhibits the best degreasing effect and that well-arranged porous anodic alumina film is obtained without annealing and electropolishing.
實驗結果表明，採用丙酮除油效果最好，不經高溫退火和電化學拋光仍能得到高度有序的多孔陽極氧化鋁膜，使製備工藝得到了簡化。 - The result shows that the anodic alumina membranes produced in oxalic acid or phosphoric acid electrolyte are porous double-layer films.
在硫酸電解液中形成的直流陽極氧化鋁膜的等效電路中無多孔層信息。
