12. The lanthanide ion has the effect of inducing the NMR relaxation rates of the determined nuclei in its coordination compound in aqueous solution.
在镧系离子配合物的水溶液中，镧系离子对配体核的核磁共振弛豫速率具有诱导效应。
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13. Based on the crystal structure data of the lanthanide complexes, lanthanide contraction of the single valance bond length R0 for Ln-O bond is confirmed.
14. Conclusion: Lanthanide ions can inhibit the production of active oxygen free radicals at low concentration, but it turned out contrary at high concentration.
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。
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15. In this paper, the preparation of lanthanide chromium bimetallic alkoxide and perovskite LaCrO_3 powders by the metal alkoxide hydrolysis methods were invest.
本论文研究了用醇锂法制备镧铬双醇盐以及用镧铬双醇盐水解制备铬酸镧粉体的工艺。
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16. The reactions towards synthesis of novel azaheterocyclic phosphonates and benzimidazoles using lanthanide chlorides as catalyst were studied in this thesis:1.
17. Lanthanide ions and their compounds attracted extensive attention because of their significant anti-inflammatory, antibacterium, and other biological activity.
稀土金属离子及其配合物具有促进动植物生长、显著的抗炎、抗菌、抗凝血和抑制癌细胞生长等生物活性。
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18. It is high promising to prepare optical modulation emission materials by incorporating lanthanide complex into photo-responsive azobenzene-containing polymers.
将稀土配合物引入光响应性偶氮苯聚合物体系，有望得到可光调制发光材料。
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19. The ligand field stabilization, the transition-metal contraction, and the lanthanide contraction are reflected in the relative values of the electronegativity scale.
此外，该标度值的相对大小还能反映配合物的稳定性，过渡金属收缩和镧系元素收缩等性质。
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20. Cerium: chemical element, a rare earth metal of the lanthanide series (hence having many properties of the transition elements), chemical symbol ce, atomic number 58.
铈：化学元素，周期表iii b族过渡金属中丰度最大的稀土金属。化学符号Ce，原子序数58。
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21. Methods and recent development of isolation of structurally characterizable alkali, alkaline earth and lanthanide metal ketyl radical complexes were reviewed in the paper.
介绍了利用金属离子的配位作用捕获并分离重要有机反应中间体—— 自由基中间体的研究方法和最新进展。
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22. In order to improve the water resistance and corrosion resistance properties of epoxy powder coating, the epoxy system were modified by blending it with the lanthanide bakelite.
为了改善环氧粉末涂料体系耐水性和耐腐蚀性，通过添加稀土酚醛对环氧树脂进行了改性。
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23. There is further described a crystalline catalyst comprising the elements nickel, magnesium, aluminium and a lanthanide element, in which the crystalline phase is a spinel phase.
还描述了包括元素镍、镁、铝和镧系元素的结晶催化剂，其中结晶相为尖晶石相。
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24. In the paragraph of the method of using artificial tracer, there is the explanation about the tracer technology of neutron activation analysis and the method of Lanthanide-DTPA tracer.
在人工示踪法中叙述了中子活化示踪沙技术和稀土元素- DTPA螯合物示踪法。
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25. 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.
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。
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26. By using lanthanide ions, especially europium ions as the fluorescent labels of samples, TFFBS can perform time resolved fluorescence detection from spectral characteristics of europium ions.
27. A number of substances have been used as positive contrast agents: silver, bismuth, caesium, thorium, tin, zirconium, tantalum, tungsten and lanthanide compounds have been used as contrast agents.
许多物质已被用来作为阳性造影剂：银，铋，铯，钍，锡，锆，钽，钨和稀土化合物已被使用造影剂。
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28. Using doped method in inorganic luminescence materials, lanthanide chelates have been put into complex matrix. Rare earth ion concentration is lowered and new kind of rare earth compounds are gotten.
29. Using doped method in inorganic luminescence materials, lanthanide chelates have been put into complex matrix. Rare earth ion concentration is lowered and new kind of rare earth compounds are gotten.
