l la lb lc ld le lf lg lh li ll lm lo lp lr ls lt lu lv lw lx ly lz

Перевод: lanthanum

[существительное]
лантан

Тезаурус:

1. The chemical composition of clay may differ in major elements, like aluminium, iron, sodium or calcium, or in the minor or trace elements present at very low concentrations, such as chromium, uranium, barium or lanthanum (one of the rare earths).
2. He also continued with spectrum analysis, mapping spectra and struggling to work out which lines belonged to which elements among the confusing Rare Earth Metals like Lanthanum.
3. The metals are the "rare earths", such as yttrium, lanthanum, neodymium and europium.
4. The solid state seemed more complicated; and because of the problems of purity, which had plagued Crookes in his work on lanthanum and its congeners, it was very difficult to get consistent results with interesting elements like selenium.
5. And lanthanum could become extremely valuable if the world decides to turn to hydrogen as a novel fuel; a mixture of lanthanum and nickel absorbs hydrogen safely and easily and so could become an important storage mechanism for the gas.
6. China contains deposits of bastnasite, a fluorocarbonate of lanthanum and cerium; monazite, a mixture of phosphates; and xenotime, which is mainly yttrium phosphate.