谱线强度

有自吸收现象时谱线强度与物质浓度的关系

The relation between spectral line intensity and concentration of the constituent in the presence of self-absorption

本文基于谱线强度公式，研究了碱金属和碱土金属氟化物对各种元素谱线强度的影响，也讨论了这些元素的谱线强度增强的机理。

This work , based on the formula of spectral line intensity , studies the effect of alkali-and alkali earth-fluorides on the spectral line intensity of elements of various kind . The mechanism of enhancement of the spectral line intensities of the elements is also discussed .

由拉曼谱线强度变化研究C（60）分子的内模振动

Study the Inner Mode Vibration of C 60 Molecule by the Variation of Intensities of Raman Spectral Lines

对称陀螺分子NH3的高温谱线强度研究

Study on the high temperature line intensities of the symmetric-top molecule NH_3

本文探讨了X射线荧光光谱法元素定性分析检出判定方法，并提出了一种与其他分析方法结合、利用荧光谱线强度比对对元素进行定量的单点外标法。

Qualitative analytical method in X-ray fluorescence spectrometry was discussed , and a quantitative method with fluorescence intensity ratio combining other method was established .

随着CH4浓度的增加，H谱线强度减弱，CH与C谱线强度增强。

The intensity of atomic hydrogen lines decreases with increasing CH_4 concentration , while that of CH and atomic C lines increases with increasing CH_4 concentration .

X射线管阳极靶元素主特征谱线强度用铜或铝吸收箔进行衰减，以避免计数损失造成的误差。

The intensity of major characteristic spectrum line of the target element was attenuated by Cu or Al absorption foils , so as to avoide the errors caused by counting loss .

考察了基体元素Na、Ca、Zn对待测难熔元素Y的谱线强度、蒸发过程和激发过程的影响。

Influences of matrix elements ( Na , Ca and Zn ) on signal intensities and vaporization / excitation processes of the interesting refractory element ( Y ) were examined .

电弧周围分布着很多活性剂粒子；电弧中心Ar谱线强度提高说明电弧中心温度有所提高。

There are many particles of activating flux around the arc , and the increase of Ar spectrum intensity in the middle of the arc shows the temperature increasing in the region .

利用我们研制的分光技术测量AlO的三条振动谱线强度，确定了AlO激发温度。

AlO excitation temperature is determined by AlO three vibration spectra intensity and spectroscopy technique .

选择不同电离电位的基体元素K、Na、La、Y和Mg，比较研究了它们对分析元素谱线强度的影响，其影响程度与谱线激发电位及基体元素电离电位有定量的相关关系。

The interference effects from matrices K , Na , La , Y and Mg have been investigated in ICP-AES . The effects of matrix on line intensity are quantitatively correlated with excitation potential and ionization potential .

研究了ICP光源中试液进样量对稀土元素谱线强度、背景强度，谱线强度测量的相对标准偏差，元素检出限，发光效率及试样相对利用率的影响。

Effects of sample uptake rate on spectral line intensities , background intensities , relative standard deviations of line to background ratio , detection limits , signal emitted rate and sample relative utilization rate were studied .

在y（zz）x配置下，施加异号电压时，四条谱线强度都发生明显变化。

With the arrangement y ( zz ) x , the intensities of four Raman lines were obviously changed under the action of a DC field with opposite sign to that of the crystal polarity .

研究了原子发射谱线强度、电子温度和半高全宽（FWHM）随空间、缓冲气体压力变化的规律。

The dependence of emission spectra line intensity and electronic temperature and FWHM ( the full width half maximum ) on the space and pressure of buffer gas are studied .

从七个方向测量了非柱对称弧柱的谱线强度Hβ的分布。再通过Maldonado-Olsen转换求得发射系数场和温度场。

The intensity distributions of a cylindrically asymmetric arc are measured from seven directions of observation in order to determine the emission coefficients and the temperature fields in terms of Maldonado-Olsen 's transformation .

以ICP作光源，用光电倍增管将光信号转换为电讯号，采用三级高输入阻抗直流放大器放大信号，对影响分析谱线强度和背景强度的工作参数进行了合理优化。

Photo-signals are transformed into electric signals by a photoelectric multiplier , and then the electric signals are amplified by a three-step high input impedance direct current amplifier . Working parameters that influence intensities of analytical spectral lines and background are optimized .

计算了各个能级跃迁的谱线强度、振子强度、吸收截面等，进而计算了3H4和3F4态的自发跃迁概率、辐射寿命、荧光分支比和积分发射截面，并对结果进行了分析。

The lifetime , branching ratio and integrated stimulated-emission cross section were obtained and the results were discussed .

本文较详细地研究了载气流量、微波功率、HCl和乙醇浓度对等离子体的形成、分析元素谱线强度和氩发射强度、激发温度的影响，得到了一些有意义的结果。

In this paper , the influence of argon flow rate , microwave power and concentration of HCl and alcohol on plasma generation , emission intensities of analytical elements and argon and excitation temperature was investigated in detail . Some interesting results were obtained .

考察了被测元素谱线强度随磁感应强度的变化情况。在优化磁感应强度0.24T条件下，研究了搅拌条件下样品溶液磁化时间对谱线强度及信背比的影响。

Under the optimal magnetic field strength of 0.24T , both the intensities and the signal-to-background ratio of the measured elements increased .

镁铝类氢类氦类锂离子经中间双激发态进行的双电子复合过程在用双示踪元素谱线强度比研究ICF电子温度中占有很重要的地位。

The physical process of dielectronic recombination for H-like , He-like and Li-like ions of Mg and Al in the medial double ionized states plays an important role in studying laser inertial confinement fusion ( ICF ) electronic temperature by the method of the double traced materials isoelectronic X-ray spectrum .

铌酸钾晶体中微量杂质的光谱测定谱线强度表达式的推导

The Determination of Trace Impurities in LiNbO_3 Single Crystal by Emission Spectrometry

用类He离子谱线强度比测量激光产生等离子体电子温度和密度

Measurements of density and temperature of laser-produced plasma based on helium-like ion spectra

从本质上来说，谱线强度和轮廓的计算是一个量子力学的问题。

Intrinsically the calculation of line strength and shape is a quantum mechanical problem .

实验研究了条纹放电的明条纹和暗条纹中汞原子的谱线强度。

The spectrum radiance in bright and dark region of striation discharge is studied experimentally .

载体用量与杂貭元素谱线强度间有简单比例关系。

The line intensities of elements are proportional to the amount of the carrier added .

用元素谱线强度比值对相应的原子比值作校正曲线，大大提高了方法的精密度和准确度，结果满意。

The accuracy and precision of analysis are greatly improved , and the results are satisfactory .

本文对振转光谱谱线强度进行了计算，并分析了塞曼效应对谱线强度的影响。

We calculate the intensities of the vibrational rotational spectra and analyze the influence of Zeeman effect .

结果表明，甲烷基团谱线强度随着微波功率的增加呈增长的趋势。

The results showed that the spectrum intensity of methane plasma increased as the microwave power increased .

结果表明：当温度变化时，碱基、磷酸根等特征振动都不同程度的受到影响，谱线强度、频率随温度呈非线性变化。

These spectra revealed that the vibration of bases and phosphate group were influenced by varying temperature .

随着基底负偏压的加入，谱线强度先减小而后增大；

By applying the DC bias voltage to substrate , the intensity of emission spectroscopy was analyzed .