lanthanide
英['lænθənaɪd]
美['lænθənaɪd]
- n. [化]镧系元素（原子序数57到71间的稀土元素）
- =lanthanoid.
详细释义
Noun:
-
any element of the lanthanide series (atomic numbers 57 through 71)
双语例句
- 1. CONCLUSION: Lanthanide ions affected degradation and crosslinking on genomic DNA of E. coli.
- 结论镧离子对大肠杆菌基因组dna可能具有降解或交联作用。
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- 2. Similar procedures with structures containing lanthanide elements offered even greater scope for deception.
- 含镧系元素的结构类似的程序提供了更大的欺骗范围。
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- 3. Under the excitation of UV light, Eu and Tb complexes exhibit characteristic emission of corresponding lanthanide ions.
- 在紫外灯下，铕和铽的配合物能够发出其中心离子的特征荧光发射。
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- 4. ABSTRACT Rare earth is a collective name for 17 elements including ytterbium (Yb), scandium (Sc), and lanthanide series.
- 提要稀土是化学元素周期表中的镧系元素和化学性质相似的钇、钪共17种元素的统称。
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- 5. The rare-earth salts are obtained by organizing lanthanide series inorganic rare-earth salts and long-chain fatty acids.
- 有机稀土盐是由镧系无机稀土盐和长链脂肪酸进行有机化得到有机稀土盐。
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- 6. All imported light source, high quality lanthanide three primary colors lamp, with high light efficiency and low decline.
- 全部采用进口光源，优质稀土三基色灯管，光效高，低下降。
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- 7. The authors conclude that this may be due to the interaction between the lanthanide ions and the polar group in urethane.
- 对该体系的流变行为的研究，进一步证实稀土与聚氨酯间的相互作用的存在。
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- 8. This method has been used to analyze the machinability ranks for the compound oxide ceramics containing lanthanide pho...
- 通过对含稀土磷酸盐的氧化物复合陶瓷材料的可加工性等级分析，证明该方法是可行的。
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- 9. As soon as lanthanum takes that electron, this level rises ever so slightly, and then we jump down here and fill in the lanthanide.
- 一旦镧得到了电子，这一层就会稍稍上升，然后我们向下填一下镧系元素。
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- 10. Lanthanide: Any of the series of 15 consecutive chemical elements in the periodic table from lanthanum to lutetium (atomic numbers 57-71).
- 镧系：周期表中从镧到镏（原子序数57～71）15种按顺序排列的化学元素系列。
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- 11. CONCLUSION Collectively, these results suggest that lanthanide chloride is a potent drug for inhibition of MMP-2 expression in carcinoma cells.
- 结论：氯化镧能够抑制肿瘤细胞生长，并抑制细胞MMP - 2的表达和分泌，为进一步开发抗肿瘤药物提供了参考。
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- 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.
- 根据镧系元素络合物的晶体结构数据确定了单价键长R0的镧系收缩效应，并对已有的键价参数进行了系统的修订。
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- 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.
- 本论文主要研究了稀土氯化物催化的合成氮杂环化合物的反应，得到了新型的七元氮杂环膦酸酯和苯并咪唑衍生物。
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- 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.
- 该传感器以镧系离子(铕离子)作为被检测物质的荧光标记物，根据铕离子的荧光特性，利用时间分辨检测技术进行生物医学检测。
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- 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.
- 类似无机荧光材料中掺杂办法，将稀土荧光络合物掺入络合物基质中，降低稀土浓度，得到新型稀土络合物发光材料。
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- 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.
- 类似无机荧光材料中掺杂办法，将稀土荧光络合物掺入络合物基质中，降低稀土浓度，得到新型稀土络合物发光材料。
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用法讲解
- lanthanide series [化]稀土属元素...
- lanthanide hydride 镧系无素氢化物...
- lanthanide elements 镧系元素
- cerium-group lanthanide 铈组镧系元素...
- actinide-lanthanide separation 锕系-镧系元素分离...
- lanthanide contraction 镧系收缩,镧族元素压...
相关词汇
- rare-earth element 稀土元素
- lanthanoid 镧系元素
- rare earth 稀土元素的氧化物...
- lanthanon (=lanthanide...
【近义词】
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