对部分稀土离子参与下LeuRS催化的的氨酰化反应表观稳态动力学性质进行了研究。
The apparent steady state kinetics of the aminoacylation reaction catalyzed by LeuRS at the participation of some RE 3+ was studied.
其他稀土离子不干扰。
讨论了配体与稀土离子之间的能量转移作用。
The effect of the energy transfer between re ions and ligands were also discussed.
其它稀土离子的干扰可通过双波长光度法测量扣除。
The interference caused by other rare earth ions can be removed by using dual wavelength spectrophotometry.
并且探讨了用这种纤维富集稀土离子矿浸出液的可能性。
It has also been inquired into the possibility of concentration of the dilute extracted solution of ionic rare earth ore.
所有得到的数据表明稀土离子在玻璃结构中起着重要的作用。
All the data suggest that the rare earth ions play a unique role in the structure of these glasses.
结果表明，配体的三重态能级与稀土离子的激发态能级匹配。
The results show that the triplet state energy of the ligand is most matching with the excitated state energy of rare earth ions.
用卢瑟福背散射谱分析了稀土离子在多孔硅薄膜中的分布情况。
The distribution of rare earth ions embedded into porous silicon films was observed by Rutherford backscattering spectrometry.
这些变化可以用稀土离子平均直径的减小和自旋团簇模型来解释。
These changes can be explained in terms of the decrease in average diameter of rare-earth ions and the model of spin clusters.
稀土离子掺杂碲酸盐系统玻璃是一类应用前景良好的上转换发光材料。
Rare earth ions doped tellurite glasses are kinds of upconversion fluorescence materials which have good application prospect.
在研究生学习之始，我选择致力于研究稀土离子对于细胞内质网的作用。
In the beginning of post-graduate studies, I chose to study rare-earth ions for the cell of the role of the endoplasmic reticulum.
利用稀土离子在氟化物光纤中的上转换特性，可以获得性能优良的光纤激光器。
Furthermore, the energy levels of rare earth ions in fluoride glasses have long lifetimes, and much more substable levels can be formed, thus upconversion laser transition is abundant.
讨论了不同配体对同一稀土离子发光影响和同一配体对不同稀土离子发光作用。
The influence on luminescence behaviour of same rare earth ion from different ligand and the action of same ligand to luminescence of various rare earth ions were discussed.
利用稀土离子在氟化物光纤中的上转换特性，可以获得性能优良的光纤激光器。
The rare earth doped fluoride glasses can be made into favorable optical fiber lasers owing to their excellent upconversion characters.
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。
Abstract: the fluorescence emission of rare earth doped nanocrystal depends on the optical active ion and its matrix structure.
此类化合物具有近似三角架形结构，能产生荧光，可以与稀土离子进行选择性配位。
These compounds have tripodal structure, can produce strong fluorescence and can coordinate selectively with rare earth ions.
研究结果表明配体与稀土离子有较好的配位能力，并与稀土元素形成了双核配合物。
The result showed that ligand has good coordination ability with rare earth ions, and a binuclear complex was formed.
结论：稀土离子在较低浓度时都能抑制活性氧自由基的生成。较高浓度时，作用相反。
Conclusion: Lanthanide ions can inhibit the production of active oxygen free radicals at low concentration, but it turned out contrary at high concentration.
测量了其激发、发射光谱及余辉衰减曲线。 分析了掺杂稀土离子对长余辉发光的作用。
The excitation, photoluminescence and afterglow spectra as well as the curve of afterglow decay were investigated.
在此实验基础上，围绕缺陷形态及其与稀土离子间的能量传递，提出了可能的长余辉机制。
On the basis of the experiment results, around the defects formation and the energy transfer between their and rare earths ions, the possible mechanisms were discussed.
结果表明，稀土离子不会提高染料与丝纤维固色速率常数，主要是改变纤维的电性效应结果。
The results show that rare earth improves notably the dye fixation mainly because of its function of changing the electric effects in the fibre.
同时观测到O-W的电荷迁移态与稀土离子之间的能量传递现象，并给出了能量传递的模型。
The energy transfer was observed between the charge transfer state of O-W and the rare earth ion Er3+ , and a model for explaining the energy transfer was given.
由于稀土离子独特的电子层结构，使得稀土发光材料具有优异的发光性能及广阔的应用前景。
Rare earth luminescence materials have outstanding luminescent properties and wide potential application due to rare earth ions have special electronic shell structures.
由于采用的N层掺稀土离子环芯光纤存在一个共同的中心包层区，因此极大提高了泵浦效率。
Because the adopted N layers of rare-earth ion-doped ring-core optical fibers exist in a common central cladding region, the pumping efficiency is greatly improved.
结果证明，稀土离子可以成功地掺杂到聚甲基丙烯酸甲酯基体材料中，并得到透明良好的复合材料。
It is proved by the result that rear earth ion can be successfully doped into materials, which USES PMMA as the bulk material, and composit with good transmittance is also obtained.
从稀土元素变价化学的角度出发讨论了稀土离子在长余辉材料中的作用，介绍了长余辉材料设计的一些想法。
Basing on the principle of the abnormal-valence chemistry of lanthanide, we summarize the action of rare earth ions in LLP materials and present our idea on the designing of LLP materials.
研究了聚合溶剂，单体浓度，反应温度以及配合物中稀土离子性质对催化活性和所得聚苯乙烯分子量的影响。
The effects of the solvent, monomer concentration, temperature and rare earth element on the polymerization and the molecular weight of polymer were investigated.
研究了聚合溶剂，单体浓度，反应温度以及配合物中稀土离子性质对催化活性和所得聚苯乙烯分子量的影响。
The effects of the solvent, monomer concentration, temperature and rare earth element on the polymerization and the molecular weight of polymer were investigated.
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