英语释义

• any element of the lanthanide series (atomic numbers 57 through 71)

片语

lanthanide chlorides三氯化稀土

Lanthanide chalcogenides镧系硫属化合物

Lanthanide ions关键词紫外差光谱

lanthanide glass镧系玻璃

lanthanide perchlorate镧系高氯酸盐

lanthanide chelate镧系元素螯合物

lanthanide acetate稀土乙酸配合物

lanthanide phosphates稀土磷酸盐

lanthanide elements镧系元素；镧旋元素

英汉例句

• 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。

• and according to the fluorescence synergistic effect mechanism, cheap inert doped lanthanide ions were added to the rare earth complexes, which was useful to reduce the cost of the ink.

  根据「荧光增强效应机理」在配合物的合成过程中引入廉价的荧光惰性掺杂离子，明显降低了该油墨的生产成本。

• 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。

• the hydrogenation of alkali metals using lanthanide trichloride and naphthalene as catalyst has been studied.

  本文研究了稀土氯化物对堿金属氢化反应的催化作用。

• objective:the experiment was designed to further study the preparation of lanthanide aryls, the possibility of σ-bonding between lanthanide and aryl and the stability of aryl lanthanide dichlorides.

  目的：进一步探索稀土芳基化合物的合成方法、稀土和芳基之间成键的可能性，以及芳基稀土二氯化物的稳定性。

• however, 10% of it was a reddish-brown mineral called bastnaesite—a phenomenally rich source (by rare-earth standards) of cerium, lanthanum, neodymium and other members of the lanthanide family.

  然而，该矿石标本中有10%的含量却是被称作氟碳铈的红棕色物质——这意味着包括铈、镧、钕及其它镧族成员在内的丰富稀土矿（以稀土的标準来衡量）便出现在人们眼前。

• in weak acid 40 ℃ lanthanide nitrates of low density in environment kill bacterium effect better.

  在弱酸，40℃的环境中低浓度的稀土硝酸盐的杀菌效果较好。

• three new rare earth-allyl compounds, which are very sensitive to air and moisture, have been synthesized by the reaction of anhydrous lanthanide trichloride with allyllithium in thf-ether solution.

  由无水稀土氯化物与烯丙基锂在四氢呋喃-乙醚中反应，合成了三个新的对空气极敏感的稀土烯丙基化合物。

• lanthanide trichlorides display no catalytic effect on the hydrogenation of potassium in presence of naphthalene.

  稀土氯化物对金属钾的氢化反应不显示催化作用。

• lanthanide ions with flexible coordination geometries are excellent candidates for creating open frameworks by employing suitable space ligands.

  稀土离子具有灵活的几何配位构型，在合适空间配体的作用下可以构筑结构多样的开放框架。

• lanthanide chelates have been successfully developed as fluorescence probes and widely used forhighly sensitive time resolved fluoroimmunoassay.

  镧系螯合物已经被广泛应用于高灵敏度的时间分辨荧光免疫分析。

• lanthanide ions were incorporated through the sol-gel process.

  在溶胶-凝胶过程中引入稀土离子来制备发光材料。

• conclusion: lanthanide ions affected degradation and crosslinking on genomic dna of e. coli.

  结论镧离子对大肠桿菌基因组dna可能具有降解或交联作用。

• china is rich in lanthanide reserves and still leads the first in the world.

  我国稀土元素储量十分丰富，在已探明的稀土储量中，我国仍居第一位。

• 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。

• in this paper, a new method of preparing nanometric lanthanide metal powders is mentioned.

  本论文提出一种温和条件下合成纳米镧系金属粉末的方法。

• some neutral lanthanide complexes supported by amine-bridged bis(phenolate) andbridged tri(phenolate) were synthesized and well characterized.

  本文合成和表征了胺基桥联双芳氧基，桥联三芳氧稀土配合物。

• 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。

• microporous lanthanide coordination polymers are of great interest due to the obvious advantages as microporous materials and the special optical and magnetic properties of lanthanide ions.

  而镧系离子特殊的光学和磁学性质，更使得微孔镧系配位聚合物的研究成为热点。

• 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。

• 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。

• 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。

• 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。

• 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。

• 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。