barium compound

基本解释

The bright blues are created by copper compounds, while the green colours are produced by barium nitrate.
明亮的蓝色是铜的化合物产生的，而绿颜色是由硝酸钡所产生。
Barium hydroxide products are mainly used in the manufacture of barium salts, organic compounds, petroleum industry in the multi performance additives;
氢氧化钡产品主要用于制造钡盐，有机化合物；石油工业中作多效能添加剂；
In both the metal and the compounds (in which it has valence 2), strontium resembles calcium and barium so closely that it has few uses that the other two elements cannot supply more cheaply.
锶及其化合物（原子价为2）与钙和钡的性质很相近，所以人们只有在无法更为廉价地使用钙和钡的少量情况下才会使用锶。

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