| 1. | The wavelength of protein at which the fluorescence intensity of protein was maximal is 360nm but not 310nm
蛋白的最大荧光发射峰从310nm红移至360nm 。 |
| 2. | The fluorescence spectra ( fls ) of cml exited at 280nm and 295 nm showed a maximum peak at 335 nm
在激发光波长为280urn时， cml的最大荧光发射峰在335urn处。 |
| 3. | The results show that the porous materials possess three - dimensionally ordered structure and the fitc labeled bsa materials exhibit good fluorescence emission ability
表明所制备的孔材料具有规整的三维有序孔结构，荧光素标记的牛血清白蛋白三维有序大孔材料具有良好的荧光发射性质。 |
| 4. | Under femtosecond pulse excitation at soonm , shg ( second - harmonic - generation ) emission , the two - photon excited photolumines - cence and a broad emission can easily be detected at 402 . 0nm , 472 . 5nm and 500 ~ 700nm , respectively
研究表明， znse单晶在402lun处产生了二次谐波发射，观察到472 . 5lun处的双光子发射峰和位于500一700iun的宽荧光发射。 |
| 5. | The fluorescence spectra of brown algae thylakoid membrane and ps i complex varied from higher plants , they had no fluorescence emission maximum at 730 nm . we concluded that 730 nm fluorescence was no more a symbol of ps i
在裙带菜纯化的类囊体膜和ps复合物的荧光光谱中，均未发现属于ps的730nm的荧光发射峰，指出730nm荧光峰不能作为ps的表征。 |
| 6. | A unified theoretical model was given considering thermal activation , phonon - assisted absorption and nonradiative energy transfer processes . ( 6 ) the relationship between the fluorescence and the composition in niobate - silicate and niobate - phosphate glasses was studied
考虑热激活、声子辅助吸收过程与温度猝灭建立了稳态动力学方程并对样品荧光发射强度随温度的变化关系进行了量化解释。 |
| 7. | In the films prepared by rf - sputtering , two new green pl bands , which strengthened with the increase of n content in the thin film , were observed except those pl bands corresponding to the result of pecvd . moreover , the intensity of every pl band is strongly affected by the ts
在溅射法制备的薄膜中，除汕头大学硕士学位论文相应的荧光发射带外，在绿光部分出现了两个较强的新带，其强度随薄膜氮含量增加而升高，而且各带的荧光强度严重地受沉积时基片温度的影响。 |
| 8. | The increase of radiative transition rate with decreasing particle size was attributed to the lower symmetry surrounding the eu3 + ions , while the increase of nonradiative transition rate to the extra nonradiative transition channels caused by surface defects . ( 3 ) under excitation of 488 nm , temperature - dependence of emission intensity of the 5d4 - 7fj transition in nanocrystalline y2o3 : tb was studied . in nanocrystalline , there appeared two maximal intensities
( 3 )研究了488nm激光激发下不同颗粒尺寸的y _ 2o _ 3 ： tb纳米晶荧光发射强度随温度的变化规律，发现y _ 2o _ 3 ： tb纳米晶荧光发射强度在280k与590k存在两个极大值，而体材料只在280k有一个极大值。 |
| 9. | The main contents and important results of this paper are as following : strong blue cooperative up - conversion luminescence is observed in various host materials single doped yb3 + ions with naked eyes at room temperature under 980nm excitation . moreover there exist rich emission lines and peculiar ratio of luminescence intensity in all samples . intense green and blue up - converted luminescence is observed in yb3 + - ho3 + co - doped pbf2 - znf2 based materials with 930 nm diode light excitation at room temperature
其主要内容与得到的结论如下： ( 1 ) yb ~ ( 3 + )单掺杂不同基质材料组成的氟氧化物在980nm激光激发下发射出明亮的yb ~ ( 3 + )离子的合作上转换蓝色荧光，同时这些样品具有极为丰富的荧光发射，有着特别的色比关系。 |
| 10. | Based on the theoretical analysis and experimental researches , it is presented that the wider spectra are resulted from the many fluorophores with large numbers of vibrational energy levels on the ground level in the blood cells , and the reduction of the spectral intensity is due to the reabsorption of the blood cells and the energy transfer of the collisions between the fluorophore and another one or other macromolecule . on the other hand , when the concentration of the blood cells is increased , the reabsorption of the blood cells , the secondary fluorescence due to the reabsorption and the influence of the concentration on the energy levels of fluorophores are all the factors of the red - shifted spectral peaks
在进行理论分析和研究的基础上，提出了因血细胞中存在多种荧光团，且这些荧光团的电子能级上又存在大量的不同的振动能级，从而导致被激发的荧光团发出较宽的荧光光谱；血细胞浓度的增大，荧光团以及其他大分子之间的距离变小，造成它们之间因碰撞的能量转移概率加大，因而易产生荧光猝灭，结果导致荧光强度的变小；血细胞溶液中重吸收所导致的荧光猝灭和二次荧光发射，以及血细胞浓度的变化对其中荧光团能级系统的影响都是导致荧光峰值波长“红移”的原因；进而研究了led光诱导血细胞产生荧光光谱的机理。 |
