这种方法被称作“原子级的沉积”，即在银器表面覆盖氧化物保护层，这层氧化物仅有一粒原子那么厚。
The method, called Atomic level Deposition, coats silver objects with a protective oxide film in layers just a single atom thick.
隐伏硫化物矿体在地下水的作用下，在其覆盖层浅部含铁锰氧化物和有机质的土壤中形成盐晕。
Saline Halos are often formed in the soil containing Fe and Mn oxides and organic material by a concealed sulfide ore body under the action of the ground water.
磨损过程中在磨损表面覆盖的氧化物层对涂层起到保护和减磨作用。
During wear process oxide layer formed and covered the wear surface, which protected the wear surface and decrease the wear.
应用推荐