| 1. | Furthermore , the excitation spectrum for 730nm fluorescence shows that the 685nm light has high excitation efficiency
叶绿体730nm荧光成份的激发光谱实验结果表明： 685nm光对730nm荧光有较高的激发效率。 |
| 2. | Xrd patterns , excitation spectra , emission spectra , photo - stimulated emission spectra , photo - stimulated emission decay curves and thermo - luminescence spectra have been measured on the samples
对样品进行了x射线衍射分析( xrd ) 、激发光谱、发射光谱、光激励发光光谱、光激励发光衰减和热释光谱测定。 |
| 3. | Based on upper background , we had done some special work in this paper : 1 . we prepared titanic acid and titanate sodium nanotubes by the use of hydrogen - thermal method and studied the photoluminescence spectra
基于以上背景，本论文主要涉及了以下三方面的工作： ( 1 )水热合成了钛酸和钛酸钠纳米管，并对其荧光光谱和激发光谱进行了研究。 |
| 4. | Compared with micro - sized y2o3 : eu and gd2o3 : eu phosphors prepared by a conventional method , nanosized y2o3 : eu and gd2o3 : eu synthesized by the present work , gives a clear blue shift in the emission spectrum , and a clear red shift in the excitation spectrum
同时，发现了纳米晶一些新奇的发光性质，即：发射光谱蓝移现象，激发光谱红移中电荷迁移带( ctb )明显红移，猝灭浓度提高等。 |
| 5. | Y2o3 : eu nanotubes were synthesized by a surfactant assembly mechanism . tem image confirms the formation of the tubular structures . under the excitation of ultraviolet light , the nanotubes show luminescence properties different from that of y2o3 : eu nanocrystallites
低温下的激光选择激发光谱表明，处于纳米管壁内部的发光中心具有较为确定的格位对称性，其发射光谱具有清晰的光谱结构。 |
| 6. | Absorption , fluorescence emission and excitation spectra of five pigment - protein complexes were determined . photosynthetic electron transfer was measured from the dcip photoreduction . p700 concentration was assayed from the ferricyanide - oxdised minus ascorbate - reduced difference spectrum
测定裙带菜各色素蛋白复合物的吸收光谱、荧光发射光谱和荧光激发光谱，并进行了dcip的光还原测定和化学法的氧化还原差示光谱测定。 |
| 7. | The decrease may be due to washing out of fluoroprobe , but this was not an obstacle to its further use ; the quantitative information ( fo i f ) did not change significantly , where f0 and f are the fluorescence intensities in the absence and in the presence of oxygen , respectively
在现场测试中，光纤氧传感探头可直接进行溶解氧的原位监测。由于所使用的荧光分子探针的激发光谱在可见区范围，光源的体积得以减小，达到了实现整体仪器的微型化的目的。 |
| 8. | The ps ii native fractions ( 20 % and 30 % ) were loaded onto a deae column . the fraction eluted with 150 mm nacl was presented dcip reduction activity and was highly depleted in chi c and xanthophylls , and as such could be considered a ps ii core complex
对于有dcip光还原活性的20和30层带的复合物，进一步deae离子交换层析纯化。 150mmnacl洗脱纯化后的样品经过荧光激发光谱测定发现，已经去除了叶绿素c和墨角藻黄素，并且仍然具有dcip的光活性，分析是ps核心复合物。 |
| 9. | By the study of the whole decay curves of 10 hours , the influence of each step is summarized , and the best stoichiometry and preparation techniques are acquired . the crystal structure of sral2o4 eu2 + , dy3 + is monoclinic system , which is a high efficiency luminescence crystal structure . the emission spectrum and the excitation spectrum of sral2o4 eu2 + , dy3 + powder are measured
此外，通过x射线衍射谱确定了所制备的sral _ 2o _ 4 ： eu ， dy长余辉材料晶体为单斜晶系结构，并测量其发射光谱，激发光谱，初步讨论了sral _ 2o _ 4 ： eu ， dy长余辉蓄能材料可能的发光机理。 |
