The contents of arsenic, nickel and zinc were measured in soil by X ray fluorescence spectrometry.

采用粉末压片法制样，用X射线荧光光谱法测定土壤中砷、镍、锌。

youdao

The cobalt (nickel and iron) oxide, and cobalt silicate in the slag are from the arsenic elimination of cobalt compounds by completely oxidization and consequently slagging process.

渣块中的钴(镍铁)氧化物、钴的硅酸盐则是由完全脱去砷的钴氧化及氧化后造渣而形成。

youdao

Trace arsenic and selenium in chromium-nickel alloy steel was determined by HITACHI Z-2000 atomic absorption spectrophotometer and relative experiment conditions were discussed.

采用日立公司Z - 2000原子吸收光谱仪对铬镍钢中痕量砷和硒进行测定并讨论相关的实验条件。

youdao

In March, the EPA released new emissions standards that would require many coal-fired power plants to install scrubbers and other technologies to reduce emissions of arsenic, chromium, nickel and acid gases, which research has linked with adverse health impacts especially on children and toddlers.

FORBES: Utilities Resist New Toxic Emissions Regulations