hexavalent的例句（hexavalent在句子中的用法）

• Hexavalent chromium is used to plate metals and to make paints, dyes, plastics and inks. 六价铬常作为金属板用于制造涂料 、 燃料 、 塑料和墨水.
• Can determine a chemical into the EU limit for hexavalent chromium test instructions. 可用化学法进一部确定,欧盟针对六价铬的测试限量指令.
• The adsorption of hexavalent chromium by in solubilized humic acid was investigated. 研究了不溶性腐殖酸对六价铬的吸附作用.