网站首页  词典首页

请输入您要查询的词汇:

 

词汇 thulium
释义

Definition of thulium in English:

thulium

noun ˈθ(j)uːlɪəmˈθ(j)uliəm
mass noun
  • The chemical element of atomic number 69, a soft silvery-white metal of the lanthanide series.

    (化学元素)铥(符号: Tm

    Example sentencesExamples
    • Each segment contains small amounts of ions of relatively rare metals, such as dysprosium, thulium, and cerium, which fluoresce in different colors.
    • The thulium material never recovers from the upwards resistive change, and continues recovery to the normal state as the compound is further cooled.
    • The main rare-earth ions used are thulium (for devices operating at 1450 to 1510 nm) and erbium.
    • The pure metal can be produced by treating thulium fluoride with calcium metal.
    • The American chemist C. James performed 15,000 recrystallizations before pure thulium bromate was obtained.

Origin

Late 19th century: modern Latin, from Latin Thule (see Thule (sense 1)), from Greek Thoulē, of unknown origin.

Definition of thulium in US English:

thulium

nounˈθ(j)uliəmˈTH(y)o͞olēəm
  • The chemical element of atomic number 69, a soft silvery-white metal of the lanthanide series.

    (化学元素)铥(符号: Tm

    Example sentencesExamples
    • The thulium material never recovers from the upwards resistive change, and continues recovery to the normal state as the compound is further cooled.
    • The main rare-earth ions used are thulium (for devices operating at 1450 to 1510 nm) and erbium.
    • The pure metal can be produced by treating thulium fluoride with calcium metal.
    • Each segment contains small amounts of ions of relatively rare metals, such as dysprosium, thulium, and cerium, which fluoresce in different colors.
    • The American chemist C. James performed 15,000 recrystallizations before pure thulium bromate was obtained.

Origin

Late 19th century: modern Latin, from Latin Thule (see Thule (sense 1)), from Greek Thoulē, of unknown origin.

随便看

 

春雷网英语在线翻译词典收录了464360条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。

 

Copyright © 2000-2024 Sndmkt.com All Rights Reserved 更新时间:2025/1/15 17:53:17