查询词典 fluorescence

Keywords fluorescence spectrum;principal component analysis;Bacillariophyta and Pyrrophyta;identification

荧光光谱；主成分分析；硅藻和甲藻；识别

Discrimination technology for bacillariophyta and pyrrophyta was established by chlorophyll fluorescence excitation spectra of phytoplankton.

基于浮游植物活体叶绿素荧光激发光谱建立了硅藻和甲藻的识别测定技术。

Based on the results of Fisher linear discrimination analysis,the first principal component score spectrum of three-dimensional fluorescence spectrum is chosen as the identification characteristic spectrum for Bacillariophyta and Pyrrophyta,and the phytopla...

根据Fisher判别分析结果，选用三维荧光光谱的第一主成分得分谱作为硅藻和甲藻的识别特征谱，建立了浮游植物荧光特征谱库。

Based on the results of Fisher linear discrimination analysis,the first principal component score spectrum of three-dimensional fluorescence spectrum is chosen as the identification characteristic spectrum for Bacillariophyta and Pyrrophyta,and the phytopla.

将浮游植物三维荧光光谱与主成分分析方法相结合，针对我国东海常见的12种藻建立了硅藻和甲藻的识别测定技术。

Chlorophyll fluorescence excitation spectra of six phytoplankton species, belonging to Bacillariophyta and Dinophyta, were dealt by fourth-derivative analysis with the Matlab program.

测量了分属硅藻和甲藻两个门类的六种我国东海常见赤潮藻的叶绿素荧光激发光谱，以Matlab为操作平台，采用自编的光谱求导程序，对荧光激发光谱进行四阶导数处理。

Based on the results of Fisher linear discrimination analysis,the first principal component score spectrum of three-dimensional fluorescence spectrum is chosen as the identification characteristic spectrum for Bacillariophyta and Pyrrophyta,and the phytopla.

将浮游植物三维荧光光谱。主成分分析方法相结合，针对我国东海常见的12种藻建立了硅藻和甲藻的识别测定技术。

Chapter 5: The fluorescence quenching reactions of barbaloin with serum albumin in solution were studied. The quenching mechanism of serum albumin by barbaloin was interpreted using the Stern-Volmer mechanism. The binding constant K values and the number of binding sites were calculated, respectively.

第五章：首次研究了芦荟甙与血清蛋白在溶液中的相互作用，利用Stern-Volmer方程解释了芦荟甙对血清蛋白的荧光淬灭，并测定了不同温度下的结合常数及结合位点数。

The benezothiazolocoumarin dyes substituted with chlorine on 5'-position also showed bathochromic shift of the maximum absorption and fluorescence emission.

这9只染料用於涤纶染色有很好的应用性能，差别不大；恶唑环结构和喹唑酮结构的染料耐光牢度明显好於噻唑环结构和咪唑环结构的染料。

By comparing the influence of the solvent polarity, in the fluorescence experiment, for PTCP and PPCP, the bathochromic shifts are attributed to the locally excited process.

通过考察溶剂极性对该类D-π-A分子光物理性能(来源：A28BC论a5文网www.abclunwen.com)的影响，发现当共轭体系较小时，PTCP和PPCP发射的是本体荧光，即源于局部激发态LE态。

The benezoxazolocoumarin dyes substituted with methyl or chlorine on 5'-position showed bathochromic shift of the maximum absorption and fluorescence emission.

香豆素类荧光染料在5'-位有取代基可使最大可见吸收波长和荧光发射波长产生红移；当共轭双键长度增加，可使染料颜色变深(Ⅴ：544，Ⅵ：552)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。