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lanthanum
  • 英语发声
  • 美语发声
  • n. [化学] 镧
  • 网络释义

    短语

    Lanthanum chloride翻译;无水氯化镧

    Lanthanum carbonate中文同义词

    lanthanum hexaboride硼化镧

    lanthanum disilicide硅化镧;二硅化镧

    Lanthanum isopropoxide异丙醇镧

    Lanthanum trifluoromethanesulfonate三氟甲磺酸镧;三氟甲基磺酸镧

    Lanthanum metaphosphate偏磷酸镧;标签;翻译

    Lanthanum sesquioxide氧化镧;氧化镧英语;[无化] 三氧化二镧

    Lanthanum laF

    LANTHANUM BENZOATE苯甲酸镧

    专业释义

    化学
    • LaMnO3 perovskite catalyst was synthesized by the sol-gel citrate method. The effect of lanthanum substituted by cerium on the physico-chemical characteristics and catalytic activity was analysed.

      用溶胶凝胶法制备了钙钛矿型LaMnO3催化剂,研究了铈替代部分对催化材料性能的影响。

      The adulteration of the non-fluorescence lanthanum or gadolinium ions can enhance the fluorescence intensity of the complexes of terbium.

      2、非荧光稀土离子La3+、Gd3+的掺杂对配合物的荧光强度有增强作用。

      参考来源 - 掺杂型铽荧光配合物的合成及性能研究
    环境科学技术
    • Based on the above questions, it is considered to deal with the chitosan modified lanthanum nitrate.

      基于上述问题,考虑采用交联法对硝酸改性壳聚糖进行处理,制备负载硝酸的改性壳聚糖微球。

      参考来源 - 三种壳聚糖对海水溴离子的吸附性能研究
    地球科学
    能源科学技术

    英英释义

    lanthanum [ 'lænθənəm ]

    n.a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth

    同义词:Laatomic number 57




    英汉双解大词典

    lanthanum /ˈlænθənəm/

    • 1.  

      N(名词) a silvery-white ductile metallic element of the lanthanide series, occurring principally in bastnaesite and monazite: used in pyrophoric alloys, electronic devices, and in glass manufacture. Symbol: La; atomic no: 57; atomic wt: 138.9055; valency: 3; relative density: 6.145; melting pt: 918°C; boiling pt: 3464°C 镧