lanthanum
「lanthanum」的意思
n. [化学] 镧
n.镧
「lanthanum」的用法
lanthanum镧 - 化学元素
「lanthanum」的例句
Lanthanum is a chemical element with the symbol La and atomic number 57.
镧是一种化学元素，符号为La，原子序数为57。
It is a soft, silvery-white metallic element.
它是一种软的、银白色的金属元素。
Lanthanum is used in various applications such as glass and ceramics.
镧在玻璃和陶瓷等应用中有所使用。
It has a melting point of 918°C (1684°F).
它的熔点为918°C（1684°F）。
Lanthanum is also used in batteries and fuel cells.
镧还用于电池和燃料电池中。
The element was named after the lanthanide series of minerals.
元素以其镧系矿物系列命名。
Lanthanum has a density of 6.9 g/cm³.
镧的密度为6.9 g/cm³。
It is a rare earth element.
它是一种稀土元素。
Lanthanum has several isotopes, with the most stable being 140La.
镧有几种同位素，最稳定的同位素是140La。
The element was first isolated in 1839 by Carl Gustaf Mosander.
该元素于1839年由卡尔·古斯塔夫·莫桑德首次分离。