单词盒子

emission spectrum

E 开头单词

基本解释

  • [光] 发射光谱；放射谱

同根派生

     

英汉例句

    双语例句

  • The relations of emission spectrum with parameters were studied.
    研究了发射谱随各参量的变化关系。
  • But until now, astronomers hadn’t come up with a model to explain the object’s confusing X-ray emission spectrum.
    但直到最近，天文学家们都无法解释这一核心区域怪异的X射线谱。
  • Methods:Use the Grating Spectrograph to take photograph of atomic emission spectrum of unknown sample and make quantitative analysis Results:Quantitative determination of trace elements in nutriment.
    方法：用平面光栅摄谱仪拍摄未知样品之原子发射光谱图，并作定量分析。 结果：测定营养品中微量元素的含量。

    • 原声例句

  • who conducted the experiment of hydrogen emission spectrum in a magnetic field.
    塞曼做了一个,磁场中的氢原子光谱实验。
    麻省理工公开课 - 固态化学导论课程节选
  • So, let's say we're looking at an element and we have an emission spectra, and we know that it has five distinct different kinetic energies in that spectrum.
    比如我们正在研究一个元素,而且我们得到了它的光谱，知道了在它的光谱里,有五个分立的动能。
    麻省理工公开课 - 化学原理课程节选

    • 权威例句

  • This time, the orchestra was the emission spectrum of electrons jumping to different orbits from the hydrogen.
    FORBES: Big Data's People-Changing Machine

词组短语

    短语

  • emission n spectrum 发射光谱
  • emission line spectrum 发射线光谱
  • emission control spectrum 辐射光谱
  • emission fluorescence spectrum 发射荧光光谱
  • fluorescence excitation -emission matrix spectrum 激发

英英字典

    柯林斯英英字典

  • the continuous spectrum or pattern of bright lines or bands seen when the electromagnetic radiation emitted by a substance is passed into a spectrometer. The spectrum is characteristic of the emitting substance and the type of excitation to which it is subjected &rarrcompare absorption spectrum

专业释义

    化学

  • 发射光谱

    Time-Dependent Density-Functional Theory is a new method for calculating absorption and emission spectrum.
    时间依赖的密度泛函方法是目前计算吸收和发射光谱的新方法。

    物理学

  • 发射光谱
  • 辐射谱

    The spontaneous emission spectrum is numerically calculated by using harmonic expansion and matrix inversion.
    利用谐振展开和矩阵求逆的方法数值计算了自发辐射谱。

  • 发射谱
  • 发光谱

    • 机械工程

  • 发射光谱

    Based on the optical probe method, a system is designed to detect the plasma emission spectrum. The characteristic spectral line flight spectrum of Al atoms in excited state is investigated by experiment and the flight velocity is calculated.
    研制了基于光探针技术的测量等离子体发射光谱的装置，并用该装置研究了激发态Al原子的特征谱线的飞行谱，计算了激发态Al原子的飞行速度。

    计算机科学技术

  • 放射光谱

    • 生物学

  • 发射光谱