Analyzing that sample , they identified specific changes in the paint 's chromium compounds .

再分析这个样本，他们确定了油画颜料的铬化合物的具体变化。

Traditionally , compounds containing a toxic form of chromium have provided the best corrosion resistance .

传统方法里最耐腐蚀的化合物含有铬的一种有毒形态。

In fact , these new coatings provide even better coverage of metal surfaces than chromium coatings .

实际上，与铬基涂料相比，这些新型涂料能够给金属表面提供更好的覆盖效果。

Beryl is a beryllium-aluminum silicate , and its color comes from small amounts of chromium .

绿宝石其实是一种铍铝硅酸盐，而它的颜色则来自于微量的铬元素。

Chromium boosts the metabolism which helps shed the fat that is covering your abs .

铬则能促进新陈代谢，这有助于消耗腹部脂肪。