查询词典 rare earth

According to literature methods, the benzoic acid nitrogen mustard and its rare earth complexes were prepared. The structures were characterized by element analyses, IR, UV-vis and EPR spectra.

参照文献方法合成了苯甲酸氮芥及其稀土配合物，并通过元素分析、红外、电子光谱及电子顺磁共振光谱对配合物进行了表征。

The complexes can combine with Ct-DNA strongly. The results of antitumor activities show that the complexes have no antitumor activity, which are different from benzoic acid nitrogen mustard, indicating counteraction between rare earth and the ligand. The possible mechanism was also proposed.

抗肿瘤活性表明，这类配合物对〓、〓无活性，这与配体较好的活性相差甚远，说明两者之间存在强的拮抗作用，文中最后对其可能的机理也进行了讨论。

The study of rare earth organic complexes luminescence, being the cross science of inorganic materials luminescence, organic materials luminescence and noctilucence, is of great importance for fundamental and applied research.

稀土有机配合物发光是无机发光与有机发光、生物发光研究的交叉学科，有着重要的理论研究意义和应用研究价值。

Y_2O_3 and the mixed rare earth oxides appeared to be an a and β-nucleator and La_2O_3 is an α-nucleator for iPP.

结果表明不同的iPP/稀土氧化物复合材料中iPP的晶型不同，Y_2O_3和稀土氧化物是iPP的α和β晶成核剂，La_2O_3是α晶成核剂。

Production and management of rare earth family of nylon products.

生产和经营稀土尼龙系列的制品。

The effect of concentrations of oxidizer on the microstructure and corrosion behavior of the rare earth conversion coating was studied.

本文研究了活化剂浓度对LF6铝合金表面稀土转化膜的微观组织结构及腐蚀行为的影响规律。

Concentrations and distributions of rare earth elements in 226 Paleozoic coal samples from China were analyzed.

对全国晚古生代226个煤样中稀土元素的含量进行了统计，分析了煤中稀土元素的分布特征。

Compounds containing iron, palladium, platinum, and the rare-earth elements exhibit strong paramagnetism because they have atom s with some incomplete inner electron shells.

含有铁、钯、铂和稀土元素的化合物呈现强顺磁性，因为这些元素的原子有不完全的内电子壳层。

Compounds containing iron, palladium, platinum, and the rare-earth elements exhibit strong paramagnetism because they have atoms with some incomplete inner electron shells.

含有铁、钯、铂和稀土元素的化合物呈现强顺磁性，因为这些元素的原子有不完全的内电子壳层。

The properties of rare earth Mg-based AB_3-type hydrogen-storage electrode alloys and the influence of the partial substitution of Al for Ni on these properties were discussed by using self-made H-type open glass tri-electrode system after a great deal of experiments.

借助于自制的开口式H型玻璃三电极测试体系，并在大量的前期实验工作基础上，研究了新型稀土镁基AB3型贮氢电极合金的性能以及添加Al的作用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。