Moreover, some azo dyestuff wastewater also bears chromium compounds.

同时，一些偶氮染料废水中也存在铬离子。

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A new method of chemical phase analysis for the chromium compounds was presented.

本文研究了一个新的铬化合物的化学物相分析方法。

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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。

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In declaring the emergency, Peru's Environment Ministry said the contamination included high levels of lead, barium and chromium as well as petroleum-related compounds.

NPR: Peru Declares Amazon Oil Contamination Emergency