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  center fluorescent
     Thus the absorbing-emitting mechanism of methanol molecule is discussed and analysized. The UV-light absorption spectra and the fluorescent spectra of ethanol are studied, which are especially compared to the methanol solution. Based on the obtained results, a difference of 15nm in longest absorption wavelengths and a difference of 33nm in center fluorescent wavelength can be used precisely to distinct methanol and ethanol.
     对乙醇溶液的吸收光谱和荧光光谱,以及与甲醇溶液的光谱对比研究结果表明:两者的最长吸收波长差为15nm左右,荧光中心波长差为33nm左右,推算得到了甲醇分子和乙醇分子产生荧光主跃迁的能级差,从而为准确区分甲醇和乙醇提供了实验依据;
短句来源
     The absorption and fluorescent spectra of methanol and ethanol solutions induced by UV-light are compared in the paper. Based on the obtained results, a difference of 15nm in longest absorption wavelength and a difference of 33nm in center fluorescent wavelength are used for precise distinction of methanol and ethanol.
     通过对甲醇和乙醇溶液的吸收光谱和荧光光谱的研究,对应比较两种溶液的光谱,结果表明,两者的最长吸收波长差为15nm左右,荧光中心波长差为33nm左右,从而为准确区分甲醇、乙醇提供了直接的实验依据。
短句来源
  sf centre
     The dependence of the SF pulse width compression, the shift of the SF centre wavelength and the gain band on pump pulse parameters and dye concentrations were studied experimentally.
     实验研究了超荧光的脉宽压缩,荧光中心波长的位移和增益带宽对泵浦光参量以及染料溶液浓度的依赖关系.
短句来源
  “荧光中心”译为未确定词的双语例句
     The traditional Chinese medicine photosensitizer (CpD4) gives off the red fluorescence at a central wavelength 660nm under the stimulation of the violet laser at 405nm.
     采用405nm紫光激发传统中药光敏剂(CpD4)发射的荧光中心波长在660nm。
短句来源
     Intenseyellow greenupconversionfluorescencewithcentralwavelengthlocated at 52 8nmcanbeobtainedwhenpumpedbyusing830nmpicosecondlaserbeam .
     当用 830nm皮秒激光激发时 ,可以得到强烈的黄绿色上转换荧光 ,中心波长在 538nm附近。
短句来源
     At different pH values,the speed of forming fluorescence centers and the fluorescence stability were observed to be different.
     不同酸度条件下,生成荧光中心的速度不同,而且荧光的稳定性也不相同。
短句来源
  相似匹配句对
     Where T(R) is the hypercenter of R; Z(R) is the center of R.
     Z(R)是R的中心
短句来源
     THE CENTER OF A CATEGORY
     范畴的中心
短句来源
     RESONANCE FLUORESCENCE
     共振荧光
短句来源
     Fluorescent filter
     荧光滤光片
短句来源
     Fluorescent Characterization of Peroxynitrite-induced Thiyl Radicals
     过氧亚硝酸诱导生成硫中心自由基的荧光表征
短句来源
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  fluorescence centre
Moreover, waters with fluorescence centre at excitation: 290-310?nm/emission: 330-350?nm were related to high N-nitrosodimethylamine and trihalomethanes formation potentials.
      
Negative correlations are observed between this fluorescence centre and dissolved oxygen in the river water samples, demonstrating the water quality implications of leachate contamination at this study site.
      


The study of the fluorescence emission characteristics of triatomic ezcimer Xe2Br,centerod at 440nm for various electron-beam pumped mixtures of Ar, Xe and several different bromine donors, is reported. The kinetic processes involved in the formation and removal of Xe3Br and the feasability of using this molecule as a laser system are rovie-wed.

本文报导了Ar、Xe和不同溴化物施主构成的各种混合气体在电子束泵浦之下,三原子准分子Xe_2Br的荧光(中心渡长440nm)发射特性研究结果,讨论了它的生成和离(?)动力学过程以及这种分子用作激光系统的可能性。

This paper reports for the first time the measurement results on the infrared fluorescence spectra and the lifetime of ~3T_2—~3A_2 vibronic transition of Ni~(2+):BeAl_2O_4 crystal with LIFM. At room temperature(300K), the center wavelength of the fluorescence spectra is 1.33μm and the bandwidth (FWHM) is 0.14μm(1.26μm—1.40μm).The red-shift of the fluorescence spectra center deviated from the absorption spectra centr is 0.255μm(1770cm~(-1)) and the radiative lifetime of ~3T_2 is 198μs.

本文首次报道用激光诱导荧光法测量Ni~(2+);BeAl_2O_4晶体~3T_2→~3A_2电子振动跃迁的荧光及其寿命的结果。测得室温下荧光的中心波长为1.33μm,带宽(FwHM)为0.14μm(1.26~1.40μm),荧光谱中心相对于吸收谱中心的红移为0.225μm,~3T_2态的辐射寿命为198μs。

An experimental setup of time resolved frequency up-conversion exployed for studying picosecond superfluoresoence (SF) spectra kinetics processes in dye solutions was reported and the experimental results was given in this paper. The dependence of the SF pulse width compression, the shift of the SF centre wavelength and the gain band on pump pulse parameters and dye concentrations were studied experimentally.

本文介绍采用时间分辨的频率上转换法研究染料溶液中微微秒超荧光光谱动力学过程的装置和实验结果.实验研究了超荧光的脉宽压缩,荧光中心波长的位移和增益带宽对泵浦光参量以及染料溶液浓度的依赖关系.

 
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