синоніми
іменник
приклади
It occurs primarily with the other rare earth elements in two minerals, monazite and bastnasite.
The members of this family are also known as the rare earth elements .
Thulium is a rare earth element , one of the elements found in row 6 of the periodic table.
The effect was predicted to be very weak, but least weak with rare earth and transition metal ions.
Dysprosium is one of 15 rare earth elements , a family also known as the lanthanides.
Other
M-translate