Сделайте перевод не по онлайн переводчику, так я и сам могу) But in 1844 this metal or metallic element was rediscovered by Rose. And because it looked like tantalum it was named "niobium" after Niobe, the daughter of Tantalus, and the mythological goddess of tears.

helissieble    1   18.01.2021 23:28    0