hexad chromium

• 六价铬

hexad chromium的用法和样例：

例句

1. Even miniscule amounts of chromium 6 can cause cancer.
   即使小剂量的六价铬也能引起肿瘤。
2. The adsorption of hexavalent chromium by insolubilized humic acid was investigated.
   研究了不溶性腐殖酸对六价铬的吸附作用。