The experimental results demonstrate that the intensity of grazing emission x - ray fluorescence becomes more intensive with the higher anode voltage of x - ray tube or the bigger grazing emission angle , which provide a possibility for accelerating the process of grazing emission x - ray fluorescence analysis 实验结果表明，掠出射x射线荧光强度随x射线管阳极高压的增大而增大；随掠出射角的增大而增大。这为提高掠出射x射线荧光分析的速度提供了可能。
2 . in order to deeply probe into the influence of crosslinked degree on er properties and expediently characterize the structure of the supramolecular complex , six hydrosoluble - cyclodextrin polymer / 3 - hydroxy - 2 - naphthoic acid er particles were synthesized . fluorescence analysis conformed that all the polymers can form 1 : 1 type supramolecular complex with the guest 为了进一步考察交联度对电流变效应的影响，并便于超分子配合物颗粒的结构表征，制备了6种不同交联度的水溶性-环糊精聚合物，以3 -羟基- 2 -萘甲酸为荧光探针探讨了不同交联度超分子配合物的组成、稳定性及荧光性质。
The supramolecular complexes of - cyclodextrin cross - linking polymer / l - ( 2 - pyridlazo ) - 2 - naphthol er particles were synthesized by self - assembly . the structure of the supramolecular complex was characterized by the fluorescence analysis , ir spectrometry and chem3d simulation , respectively . the results confirmed that the naphthalene ring of the guest is included in the cavity of - cyclodextrin cross - linking polymer 用荧光分析、 ir 、 xrd及计算机模拟手段对颗粒结构进行了表征，发现客体分子中极性较小的萘环进入环糊精的疏水内腔，形成了不溶性-环糊精聚合物超分子配合物。
Based on this point , our aim to obtain the high performance materials should be carried out as well as the er behavior be actualized through the chemistry design . in this paper , 4 supramolecular complexes of - cyclodextrin inhydrosoluble polymer / l - ( 2 - pyridlazo ) - 2 - naphthol , 6 hydrosoluble - cyclodextrin polymer / 3 - hydroxy - 2 - naphthoic acid , 2 - cyclodextrin - starch resins and 6 supramolecular complexes of - cyclodextrin - starch copolymer / substituted salisylic acid and 3 - hydroxy - 2 - naphthoic acid er particles were prepared , respectively . the structure of these particles was characterized by ir , nmr , uv - vis , the fluorescence analysis , element analysis , and etc , respectively 在本项研究中，分别制备了4种不溶性-环糊精聚合物及其与1 - ( 2 -吡啶偶氮) - 2 -萘酚构筑的超分子配合物、 6种水溶性-环糊精聚合物及其与3 -羟基- 2 -萘甲酸的超分子配合物、 2种-环糊精淀粉树脂及6种-环糊精淀粉共聚物与取代水杨酸、 3 -羟基- 2 -萘甲酸形成的超分子配合物颗粒，通过红外光谱、荧光分析、元素分析、电子吸收光谱及核磁共振谱等对它们的结构进行了表征。
Known as the rapid non - destructive probe for studying plant photosynthesis , chlorophyll fluorescence analysis has been gradually put into use in studying the effects of stressful environments on plant photosynthesis and as it develops further on its uses will be widened 摘要叶绿素荧光动力学技术被称为研究植物光合功能的快速、无损伤探针，已逐渐在环境胁迫对植物光合作用影响研究方面得到应用，随着叶绿素荧光分析技术的进一步发展，其应用领域和研究空间将进一步拓展。
In order to overcome problems arisen from the application of x fluorescence analysis into complex spectrum produced by archaeological ceramic fragments with multi - element , low content and thick ground , we have employed the artificial neural network into the research of x fluorescence archaeology and conducted three kinds of research works . as the first one , we have applied the linear olam network ( optimal linear association memory network ) and the non - linear bp network ( back - propagation network ) respectively to analyze the complex x fluorescence spectrum of archaeological samples , and taken both results of spectrum analysis to compare with each other . the second , the method of pattern recognition of bp network was tentatively used to perform intelligent identification of production places of these archaeological samples 针对科技考古中对大量考古陶片进行产地研究时x荧光分析对多元素、低含量、厚基底考古陶片产生的复杂谱分析的问题，将人工神经网络引入x荧光考古中，进行了三方面的研究工作：一是用线性olam网络(最优线性联想网络)和非线性bp网络(误差反传导网络)分别对考古样品的x荧光复杂谱进行解谱，并比较二者的解谱效果；二是用bp网络模式识别方法对考古样品的产地进行智能识别；三是为了提高网络运算的可靠性和减小基体效应及电噪声的干扰和影响，研究并提出了三种网络学习前的谱数据预处理方法。
In order to cope with the complexity and the multiplicity of environmental samples , a reasonable combination of the fluorescence analysis with each kind of separation technology , through which nitrite is determined in a more accurate , more sensitivity and lower detection limit , is another research direction in the future 为了适应环境样品的多样性和复杂性，实现荧光分析与各种分离技术的合理组合，以更准确、更灵敏和更低检出限测定样品中亚硝酸根也是今后的研究方向。
