The ultraviolet absorption in aqueous solutions, fluorescence emission properties, photoinduced isomerization phenomena and application properties of the two kinds of FBs were observed.
对比研究这两类增白剂在水溶液中的紫外吸收、荧光发射、光致异构化现象及其应用性能。
The cause of visible fluorescence were analyzed. The mechanism of visible fluorescent is different to infrared fluorescent, it is cooperative absorption and emission of ion pairs.
分析了这些可见荧光产生的原因，指出它不同于红外荧光的发光机理，是一种离子对的合作吸收和发射。
The molecular structure, configuration and the environmental effect on the fluorescence emission of organic compounds are tremendous important.
有机化合物的结构、构象和环境效应对发光化合物的荧光发射具有重要的影响。
The fluorescence emission spectra showed that the fluorescence intensity of papain increased and the fluorescence emission peak changed to lower wavelength in methanol solution.
荧光发射光谱研究表明，木瓜蛋白酶在甲醇溶液中发射峰位向低波长移动，荧光峰值明显增高。
The fluorescence excitation and emission spectra of ATA do not overlap, so resonance fluorescence was not involved in the RLS spectrum.
ATA的荧光激发光谱和发射光谱不重叠，说明RLS光谱中没有共振荧光成分。
Modification of histidine residue did not change the activity of enzyme and its fluorescence emission peak intensity.
组氨酸残基被修饰后酶活力基本不变，酶的荧光强度也不改变。
Modification of histidine residue did not change the activity of the enzyme and its fluorescence emission peak intensity.
组氨酸残基被修饰后酶活力基本不变，酶的荧光强度也不改变。
The heavy metals were detected with atomic absorption spectrum, atomic fluorescence spectrum and plasma emission spectrum, 9 heavy metals were measured quantitatively.
用原子吸收光谱法、原子荧光光谱法和等离子发射光谱法，定性检测颗粒物中载带的重金属，并对其中9种重金属进行定量测定。
Abstract: the fluorescence emission of rare earth doped nanocrystal depends on the optical active ion and its matrix structure.
摘要：稀土掺杂纳米体系的荧光发射过程主要取决于稀土离子的性质和基质结构。
However, light emission from molecules near metals is challenging due to the fluorescence quenching effect.
然而，隧道结中的分子由于离金属表面很近，其发光受到荧光淬灭作用的强烈制约。
The kinetics of the renaturation and reactivation of glucoamylase denatured by guanidine HCl was determined by means of the UV differential absorbance measurement and fluorescence emission spectra.
本文利用荧光、紫外差光谱研究了根霉葡萄糖淀粉酶在盐酸胍变性后的复性、复活动力学。
The absorption, emission maximum and the fluorescence lifetime changed as the Hammett substituent constant in folding linear.
最大吸收、最大发射、及荧光寿命与取代基的哈密顿取代基常数呈折线关系。
A3 is detected using UV absorption and fluorescence emission spectra.
检测了A3的紫外吸收光谱和荧光发射光谱。
UV-Visible spectra and fluorescence emission spectra were measured at room temperature.
在室温下测得其紫外可见吸收光谱和荧光发射光谱。
The fluorescence emission spectra of five typical triatomic rare gas halide excimers have been observed from electron-beam-excited high-pressure mixtures.
观测了五种典型的电子束泵浦高压混合气体产生的卤惰三原子准分子荧光发射谱。
The isotope shifts, hyperfine structure, spontaneous emission branch ratio of the first excited level and Doppler width of the atom vapor beam were measured using laser induced fluorescence.
采用原子蒸气束激光诱导荧光法测量钆原子的第一激发态的同位素位移及超精细结构、原子跃迁自发辐射的分支比和原子蒸气束的多普勒宽度。
The fluorescence emission of the sensor can strongly be quenched by water.
传感是基于水对膜的荧光有强的猝灭作用。
The dependence of the intensity of grazing emission X-ray fluorescence on the anode voltage of X-ray tube has been investigated.
文章探讨掠发射X射线荧光强度与X射线管阳极高压的关系。
In 0.5%-1.5% HFIP solutions, no remarkable changes of secondary structure and fluorescence emission maximum of AK have been observed, while the ANS increased obviously.
当六氟异丙醇浓度范围为0.5％-1.5％时，蛋白质的二级结构和内源荧光发射峰位都没有发生明显的变化，而外源ANS荧光强度则显著增强。
The fluorescence intensity, FWHM and emission lifetime of GABB, GAYB, GANB were reduced gradually.
荧光强度从GABB,GAYB,GANB逐步减弱，荧光半高宽和荧光寿命逐步变小。
The fluorescence spectra show that the thin film material emits the characteristic narrow band emission of Tb3 + ion under the UV excitation.
荧光光谱分析表明，所得到的薄膜材料在紫外激发下发射出铽离子的特征发射线。
It was also shown that the hindered rotation of 4-phenyl in the molecule of 2, 4, 6-triphenyl pyrylium salt is unfavorable to its fluorescence emission.
实验结果还表明，4 -位取代苯基旋转受阻对化合物的荧光发射不利。
The advantages of organic materials over inorganic materials are high fluorescence efficiency, wide selection of emission colors and the ease in fabrication of large size films.
与无机材料相比，有机材料具有更高的发光效率和更宽的发光颜色选择范围，并且具有容易大面积成膜的优越性。
The characteristics of the biological system can be accumulated by fluorescence, chemiluminescence, or ultra-weak photon emission of the creature.
本文对生物系统的发光原理和不同种类生物发光的应用领域进行了简单概述。
The characteristics of the biological system can be accumulated by fluorescence, chemiluminescence, or ultra-weak photon emission of the creature.
本文对生物系统的发光原理和不同种类生物发光的应用领域进行了简单概述。
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