网站首页  汉语  德语  英语

请输入您要查询的英文单词:

 

单词 lanthanide
释义

Definition of lanthanide in English:

lanthanide

noun ˈlanθənʌɪdˈlænθəˌnaɪd
Chemistry
  • Any of the series of fifteen metallic elements from lanthanum to lutetium in the periodic table (atomic numbers 57–71).

    〔化〕周期表从镧到镥的15种元素,镧系元素。参见RARE EARTH

    See also rare earth
    Example sentencesExamples
    • Other particles containing yttria and some lanthanides are phosphors that be processed to form light-emitting devices.
    • In such cases, a chelated lanthanide that is associated with one partner sensitizes an acceptor on a complementary partner when these species are within the typical Forster distance range of 3 to 9 nm.
    • Indeed, to ‘flip’ acidic bicelles while maintaining well-ordered structures, only small concentrations of lanthanides can be added.
    • The lanthanides make up the elements between barium and hafnium in Row 6 of the periodic table.
    • Elements in this group are also known as the lanthanides after the first element in that group, lanthanum.

Origin

1920s: from lanthanum + -ide.

Definition of lanthanide in US English:

lanthanide

nounˈlænθəˌnaɪdˈlanTHəˌnīd
Chemistry
  • Any of the series of fifteen metallic elements from lanthanum to lutetium in the periodic table.

    〔化〕周期表从镧到镥的15种元素,镧系元素。参见RARE EARTH

    See also rare earth
    Example sentencesExamples
    • Other particles containing yttria and some lanthanides are phosphors that be processed to form light-emitting devices.
    • The lanthanides make up the elements between barium and hafnium in Row 6 of the periodic table.
    • Indeed, to ‘flip’ acidic bicelles while maintaining well-ordered structures, only small concentrations of lanthanides can be added.
    • Elements in this group are also known as the lanthanides after the first element in that group, lanthanum.
    • In such cases, a chelated lanthanide that is associated with one partner sensitizes an acceptor on a complementary partner when these species are within the typical Forster distance range of 3 to 9 nm.

Origin

1920s: from lanthanum + -ide.

随便看

 

雅致网英汉双解词典包含236457条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。

 

Copyright © 2002-2024 53pku.com All Rights Reserved
更新时间:2025/6/19 0:41:40