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染料荧光
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  dye fluorescence
     We demonstrate the physical processes and experimental condition for producinglaser by experimentally observing the spectrum properties of dye fluorescence,ASE, the broadband laser and narrowband laser. It is very useful for directly anddeeply understanding the physical mechanism for producing laser.
     本文通过在实验上观察染料荧光、ASE、宽带激光和窄带激光的光谱特性来演示激光形成的物理过程和实验条件,有助于直观而深刻地理解激光产生的物理机制。
短句来源
     A new method to enhance the intensity of the different orders of Stokes lines of SRS by using mixed dye fluorescence is reported.
     报道用不同混合比的罗丹明6G(R6G)和罗丹明B(RB)混合染料荧光选择性放大CCl4和苯的受激拉曼散射不同阶次Stokes波。
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  “染料荧光”译为未确定词的双语例句
     The Stokes lines from the second-order to the fifth-order of CCl4 were enhanced by the fluorescence of mixed R6G and RB solutions in different proportions of 20∶2,20∶13 and 20∶40(R6g∶Rb),respectively.
     CCl4二至五阶Stokes波分别被混合摩尔比为20∶2,20∶13及20∶40(R6g∶RB)的R6G和RB的混合染料荧光放大;
短句来源
     The rate constant of electron transfer Ket(4 ×108 s-1) was obtained by fluorescence lifetime measurements.
     通过染料荧光寿命的测定得到光诱导电子转移速率常数Ket约为4x108s-1.
短句来源
     Studies on the Interactions between Dye Probe and Protein or Nucleic Acid
     染料荧光探针与蛋白质、核酸相互作用的研究
短句来源
     Efficient Enhancement of Stimulated Raman Scattering of Carbon Disulfide (CS_2) by Fluorescence of Dye Rhodamine 6G
     R6G染料荧光对CS_2受激拉曼散射的高效放大(英文)
短句来源
     Study on Influences of n-Butylamine on Fluorescence Spectra Laser Dye
     正丁胺对激光染料荧光谱影响的研究
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  相似匹配句对
     Advancement of Study in the Fluorescent Label Dyes
     荧光标记染料
短句来源
     THE LIFETIMES OF SOME LASER DYES
     激光染料荧光寿命
短句来源
     Dye-type Black-and-white Film
     染料黑白胶片
短句来源
     Media, carbon sources and nitrogen sources could affect the decolorization.
     偶氮染料
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     RESONANCE FLUORESCENCE
     共振荧光
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  dye fluorescence
Fluorescence correlation spectroscopy in the nanosecond time range: Photon antibunching in dye fluorescence
      
A linear measurement technique based on simultaneous planar imaging of laser induced dye fluorescence and Raman scattering in the liquid phase is reported.
      
The major effect, evident at low ratios of quinacrine to DNA, is a quenching of dye fluorescence, correlating with G-C composition.
      
This suppression of dye fluorescence permits optical detection of BrdU incorporation associated with DNA synthesis in cytological chromosome preparations.
      
Quenching of 33258 Hoechst fluorescence by BrdU can be abolished by appropriate alterations in solvent conditions, thereby revealing changes in dye fluorescence of microscopic specimens specifically due to BrdU incorporation.
      
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Four new 7-alkoxy-4-methyl coumarin dyes and their absorption spectra, fluorescence spectra and lasing properties are studied. In comparison with the fluorescence peak of coumarin dye 4MU, those of the new coumarins shifted about 60 nm to the short wavelength side. These four new dyes give laser emission in the UV region. The laser tunable range and energy conversion efficiency have been determined. Using time-resolved techniques we have observed their kinetic fluorescence and determined the relevant fluorescence...

Four new 7-alkoxy-4-methyl coumarin dyes and their absorption spectra, fluorescence spectra and lasing properties are studied. In comparison with the fluorescence peak of coumarin dye 4MU, those of the new coumarins shifted about 60 nm to the short wavelength side. These four new dyes give laser emission in the UV region. The laser tunable range and energy conversion efficiency have been determined. Using time-resolved techniques we have observed their kinetic fluorescence and determined the relevant fluorescence life-time.

研究了4种新合成的7烷氧-4甲基香豆素染料.首次报道了它们的吸收光谱、荧光光谱及激光特质.与一般香豆素染料系列比较,新染料的荧光辐射峰向短波移动了60nm.这4种新染料在紫外区产生激射.本文测量了它们的激光波长调谐范围和激光能量转换效率.用时间分辨技术观测了其动力学荧光并确定了相应的荧光寿命.

A series of zinc phthalocyanines was synthesized. Their redox potentials, E_(ox) and E_R were measured by means of cyclic voltammetry. Their kinetic datum, κ_qτ of fluorescence quenching by typical electron acceptor was determined. The theoretical relation of the fluorescence quenching rate constant, κ_q vs. the electron transfer free enthalpy change, △G was calculated from redox potential and spectral datum, and κ_q was calculated from the theoretical relation between κ_q and △G. By substituting κ_q into κ_qτ,...

A series of zinc phthalocyanines was synthesized. Their redox potentials, E_(ox) and E_R were measured by means of cyclic voltammetry. Their kinetic datum, κ_qτ of fluorescence quenching by typical electron acceptor was determined. The theoretical relation of the fluorescence quenching rate constant, κ_q vs. the electron transfer free enthalpy change, △G was calculated from redox potential and spectral datum, and κ_q was calculated from the theoretical relation between κ_q and △G. By substituting κ_q into κ_qτ, the lifetime of dye's fluorescence can be eva luated by non-transient experiments and simple calculations. In comparing with data in literature, the average fluorescence lifetime of the dye obtained is receivable,

合成了一系列的锌酞菁染料。用循环伏安法测定了它们的氧化还原电位,并测定了用典型的电子受体猝灭它们的荧光动力学数据。按电子转移模式确定了各染料-电子受体对的荧光猝灭速率常数k_q对电子从染料向受体转移的自由能变化⊿G函数关系。根据测得的氧化还原电位和光谱数据计算出⊿G,根据函数关系计算出k_q,代入到猝灭动力学数据k_qr。这样,就用非瞬态的实验估算出染料的荧光寿命r。与已知的实测文献值进行比较,r的大致范围是可信的。

A cytochemical method was developed to differentially stain celluar DNA, RNA and Proteins with fluoroouromes DAPI,Pyronin Y and FITC respectively.The fluorescence intensity reflecting the DNA,RNA and Protein content of individual cell were mesured in a MPV II Microspectrofluorometer after sequential excitation by uv, green and blue light.The interference between the fluorescence of each dye is negligent according the fluorescent emission spectra analysis. The measurement results is consistent with the results...

A cytochemical method was developed to differentially stain celluar DNA, RNA and Proteins with fluoroouromes DAPI,Pyronin Y and FITC respectively.The fluorescence intensity reflecting the DNA,RNA and Protein content of individual cell were mesured in a MPV II Microspectrofluorometer after sequential excitation by uv, green and blue light.The interference between the fluorescence of each dye is negligent according the fluorescent emission spectra analysis. The measurement results is consistent with the results obtained by FCM.The advantage of the correlated measurements of multiparameters in individual cells by a Microfluorometer are simpler and cheaper. It can be used in living cell to get the combinative measurement information of morphology and quantitative cytochemistry.

用荧光染料DAPI、PyroninY和FITC分别染同一细胞内DNA、RNA和蛋白.在紫外光、绿光和兰光顺序激发后,用MPVⅡ显微荧光光度计测量反映单个细胞内DNA、RNA和蛋白含量的荧光强度.根据荧光发射光谱分析,每种染料荧光之间的干扰是可以忽略的.测量结果与FCM获得的结果是一致的.显微荧光光度术对单个细胞多参数相关测量的优点是简单、便宜,并可用于对活细胞获得形态学和定量细胞化学的组合信息.

 
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