英语释义

1. ionization (as in the ionosphere) of a molecule or atom caused by absorption of radiant energy

片语

helium photoionization氦光游离侦检器

dissociative photoionization光电离解离

photoionization laser光致电离激光器

detector photoionization光离子化检测器

step photoionization二级光电离

photoionization rates光电离率

photoionization detectorA photoionization detector or PID is a type of gas detector.

photoionization beginning光致电离阈

photoionization threshold光致电离阈

英汉例句

• The principle and performance of a home-made miniature photoionization ion trap mass spectrometer was introduced.

  介绍了自行研制的紫外光电离离子阱质谱仪的原理和性能。

• The present work also implies the photoionization cross-section oscillations of C60 have different origins for different photon energy regions.

  本文还指出不同光子能量区域C60的光电离截面振蕩有不同的原因。

• The equation of three step photoionization for describing the field and the density matrix as well as the atomic population was derived.

  推导了三步光电离的场方程组和原子布居的密度矩阵方程组。

• In this paper, the construction of photoionization detect instrument based on AT89C52 chip is presented.

  本文介绍了基于单片机at89c52的光离子化检测仪构建。

• An ethylene diffusion flame has been investigated at normal pressure using synchrotron vacuum ultraviolet (VUV) photoionization and molecular-beam mass spectrometry.

  本文利用探针取样法结合同步辐射真空紫外光电离和分子束质谱技术研究了常压下的乙烯扩散火焰。

• The experimental and theoretical studies on the pulse preionization of high power CW CO2 laser are presented in this paper and the photoionization process ia emphersized.

  本文给出了对高功率横流CO_2激光器脉沖预电离过程的理论和实验研究。 表明了预电离过程中光电离的重要作用。

• In the second part, using the wave function and binding energy obtained from the first part, the photoionization cross-section of the impurity is calculated.

  在第二部分，我们采用第一部分所选的变分波函数和得到的束缚能进一步计算了类氢杂质体系的光致电离截面。

• Selectively ionizing atoms (or molecule) can be easily performed by means of a multistep resonance photoionization technique.

  通过多步谐振光电离技术可以实现对原子(或分子)选择性的电离。

• The photoionization of atoms and ions are studied theoretically by using the R-matrix method in this thesis.

  本文利用R -矩阵方法对部分原子和离子的价壳层、内壳层光电离过程进行了较详细的研究。

• The important role of collective excitation in the photoionization cross-section of C60 is suggested. Improvement of the model by taking into account the collective excitation is indicated.

  然而，理论和实验的一些偏离表明集体激发在C60光电离截面中起重要作用，考虑集体激发的改进模型是必要的。

• When the theory is applied to the photoionization of atoms in two-color laser fields, a qualitative agreement between the theory and the experiments is also obtained.

  将它用于双色光场中的电离，也得到与实验结果定性上一致的结论。

• In order to understand the discharge mechanism deeply, in this paper, a simple model based on photoionization is developed.

  为了深入了解这一放电现象的物理机制，采用基于光致电离的物理模型研究了这一现象。

• 04ev and appearance potentials of various fragment ions have been determined by measuring their photoionization efficiency curves.

  通过质谱测量各离子的光电离效率曲线，得到了该分子的垂直电离能及主要碎片离子的出现势。

• According to the detection demand of the weak photoionization signal, a new kind of data acquisition and processing system of photoionization signal is developed.

  根据微弱光离子化信号的检测需要，开发出一种光离子化信号数据采集与处理系统。

• The photoionization efficiency curve and the partial optical oscillator strength densities for different fragments of CO was determined by this work.

  利用该装置测量了一氧化碳分子的光电离效率曲线及其离子碎片的部分光学振子强度密度。

• In this case, many interesting phenomena of excitation and photoionization can be observed, for instance, muti-photon ionization, above threshold ionization, tunnel ionization and so on.

  这样，我们就可以观察到一些新的现象，如多光子过程，阈上电离，隧道电离等。

• The key part of photoionization detector is analyzed and designed. The principle, structure and characteristic of the system design is especially demonstrated.

  对光离子化检测器的核心部分进行了分析与设计，着重阐述了系统设计的原则、结构及特性。