The researchers found that a change in the oxidationstate of the element chromium (from chromium 6 to chromium 3) was linked to the darkening of chrome yellow paint.
研究人员发现，铬元素的氧化物由六价铬转变为三价铬，这与画作中的铬黄色日趋变暗有关。
2
The effect of the experimental parameters on the interfacial bonding strength was investigated, as well as the influences of the anodic oxidationstate on the titanium substrate surface appearance.
研究了试验参数对涂层界面结合强度的影响以及阳极氧化状态参数对钛基体表面形貌的影响；
3
The main existence of transition metals in highest oxidationstate complex in crystalloid and alkaline medium and reaction activation center has been reviewed with 63 references.