查询词典 rare earth

It suggests that rare-earth elements yttrium and praseodymium have certain genotoxicity.

提示稀土元素钇和镨具有一定的遗传毒性。

This preparation overcome the association of rare earth in the materials and result in formation of the praseodymium triisooctanyl oxide/PS with high praseodymium content and high transparence, their fluorescence and heat capability were improved obviously.

它们的荧光强度有明显的提高，溶解性能、红外谱图及动态机械热分析证实了材料中存在镨与苯环中π电子的强配位作用导致材料形成交联网络结构。

Compared to the pure complex powder, the excitation spectra of the rare earth complex in the assemblies show blue shifts while the emission spectra show fewer split peaks.

在紫外光激发下，组装体发出相应稀土离子的特征谱线；和纯配合物粉末相比，其激发光谱发生一定的蓝移，而其发射光谱则表现出较少的劈裂；由于基质的保护作用，组装体中的配合物具有较高的荧光寿命和发光效率。

Specializing in the production of rare-earth trichromatic electronic energy-saving lamps, fluorescent lamp ballasts, quartz lamp transformers, various types of high-low-frequency transformers, electronic switches and smart sensors energy saving downlight reflectors, LED lamps, incandescent lamps, etc..

专业生产稀土三基色电子节能灯、荧光灯镇流器、石英灯变压器，各类高低频变压器、智能感应电子开关及节能反光筒灯、LED灯，白炽灯等。

Because of application of mixed nitrate rare-earth, rape growth was promoted and the output of rapeseed was enhanced.

由于硝酸混合稀土改善了油菜钾的营养状况，因而促进了油菜的生长，提高油菜籽的产量。

It is a dedicated research and development and sales of rare earth high-tech Co.ltd.

是一家专门从事稀土研究开发及销售的高科技有限公司。

Rare Earth is a national security and the development of an important strategic resource.

稀土是关系国家安全与发展的重要战略资源。

This paper summarized some advances in the research of biological effects of rare earth elements.

本文探讨了国内外对稀土生物效应所进行的广泛研究及其所取得的一些结果。

This course is supplied for college students to learn some basic properties and technologies of rare earth compounds.

通过本课程的学习，学生能学到稀土化合物的基本性质和制备提取技术。

We can also develop or produce various specifications of rare earth products according to customers requests.

我们可以根据用户的要求研制、生产各种规格的稀图产品。

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。