A method of studying biological activity of bioceramics by FTIR difference spectra technique was reported.
本文报道了测定生物陶瓷的生物活性的FT - IR差谱方法。
The difference of the two spectra is the spectrum of the light coming directly from the planet.
两次所测光谱的有差异的部分就是直接来之于这颗行星的光谱。
This paper describes numerical difference methods for generating derivative spectra.
本文采用数值差分法计算产生各阶导数光谱值。
Resonance light scattering (RLS), fluorescence and absorption spectra of eosine Y (EY) has been measured to study the difference and relationship between RLS and resonance fluorescence.
研究了曙红Y（EY）的共振散射光谱、荧光光谱和吸收光谱，讨论了共振光散射与共振荧光的区别与联系。
Size-selective photoluminescence excitation spectra reveal that energy difference between the lowest optical translations increases due to stronger size quantum effect.
尺寸选择激发光谱表现了较强量子尺寸效应引起的最低光学跃迁之间能量差的增大。
The difference of relative intensity between the SERS spectra of C70 adsorbed on the silver surface and the copper surface originated from the different adsorption state of the C70 molecules on them.
研究发现：C70分子在铜和银表面不同的谱峰相对强度，是由于C70分子不同的吸附状态所引起的。
The difference between PL spectra of TMEP solution and PL spectra of TMEP solid film confirms the formation of excimer.
激基缔合物的形成从TMEP在薄膜状态下与溶液状态下的荧光光谱的比较中得到证实。
The difference between PL spectra of TMEP solution and PL spectra of TMEP solid film confirmed the formation of excimer.
激基缔合物的形成从TMEP在薄膜状态下与溶液状态下的荧光光谱的比较中得到证实。
The result shows that EI fragmentation process of cholesterol esters is determined mostly by the steroid nucleus, and there is almost no difference among the mass spectra of various compounds.
结果表明：胆甾醇酯的EI质谱裂解途径主要由甾环决定，各化合物谱图之间几乎无差别；
When there is temperature difference between the pollutant gas and the background, the absorption and emission characteristics of the pollutant gas can be revealed in infrared spectra.
当污染气体与背景存在温差时，红外光谱就能反映出污染气体的吸收或发射特征。
When there is temperature difference between the pollutant gas and the background, the absorption and emission characteristics of the pollutant gas can be revealed in infrared spectra.
当污染气体与背景存在温差时，红外光谱就能反映出污染气体的吸收或发射特征。
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