最后以改进的DPC分光分度法测其总铬含量。
The total chromium content is measured by improved DPC spectrophotometry.
研究了石墨炉原子吸收光谱测定土壤中总铬的技术方法。
The method for determining the total chromium in soil by GFAAS was studied.
一个总铬涂层提高了耐腐蚀性能的普遍使用，通过硬化滚动轴承钢。
An overall chromium coating improves the corrosion resistance of the generally used through-hardening rolling bearing steel.
应用推荐