查询词典 rare earth

Matching between the performance of catalytic converter and electronicsystem having been researched, and conclusion that the catalyst that is the compoundof noble metal with rare-earth including Ce have wide working scope having beengotten.

7对于催化器的性能与电控系统的匹配进行了研究，所开发的含铈稀土复合型催化剂可以明显扩大高效工作窗口。

The objective of this dissertation is to synthesize rare-earth metal complexcompounds and develop assembling techniques for fabricating ordered, highly packedand stable thin films as sensitive films of the gas-sensors and immunosensors.

本文合成了稀土元素与氮、氧的配合物，利用LB膜技术和化学自组装技术，将稀土配合物应用于化学和生物敏感元件和传感器中，主要工作如下： 1。

The calculations on the binding energy and the population analysis of the ribose-Ln complexes were made by using the coordinates obtained from its single-crystal structures. Theoretical interpretions on the coordination between ribose and rare-earth metal ions were given by the results of the calaulation.

利用本论文得到的一系列的核糖—稀土配合物的单晶结构数据，对各配合物分子的结合能、配合物中各原子的净电荷布居以及稀土金属离子中各原子轨道在成键中的作用等方面内容进行了量子化学计算，并为核糖与稀土金属离子的配位作用提供了理论解释。

The invention relates to a rare-earth metal oxide supported transition metal or transition metal alloy catalyst and the method of on the catalyst, using alcohol or alcohol water solution catalytic chemical deposition to prepare nano carbon fiber and 3D order nano carbon stacking structure.

本发明涉及一种稀土金属氧化物担载过渡金属或过渡金属合金催化剂及利用在该催化剂上，乙醇或乙醇水溶液催化化学沉积制备纳米碳纤维和三维有序纳米碳纤维堆积结构的方法。

The effect of addition rare-earth metal,Ca and Mg elements on the microstructure,toughness of and the formation of intragranular acicular ferrite in hot affect zone of large heat-input welded low alloy non quenched-tempered steel plate was investigated.

研究了低合金高强度非调质中厚板钢中添加稀土和Ca、Mg微量元素对大线高能焊接热影响区显微组织微细化和晶内针状铁素体形成的影响。

You Xia excellent selection of ceramic-child, glaze raw materials and rare earth, non-ferrous metal mineral pigment developed in order to exquisite handmade decorative art, color glaze decoration in the fetus, red high temperature of about 1400 ℃ Shaolian, so that pigment into Fetal glaze, glaze-over pattern through the table in porcelain, crystal moisturizing with a high degree of white, glazed transparency and hardness, product design beautiful, classic elegance.

釉下彩瓷选用特优胎、釉原料和稀土，有色金属矿物研制的色料，以精湛的手工装饰技艺，彩饰于胎釉之间，红1400℃左右的高温烧炼，使色料融于胎釉之中，花纹透过釉层溢于瓷表，晶莹润泽，具有很高的洁白度、透明度和釉面硬度，产品造型优美、高贵典雅。

Rare earth ion ; vegetable Tannin ; spectroscopy ; bacteriostasis

稀土离子；植物单宁；分子光谱；抑菌作用

The dyeing kinetics of vegetable dye extracted from curcuma to wet blue leather which pre-treated by rare earth and surfactants was investigated.

研究了蓝湿皮通过稀土媒染后及表面活性剂存在下，对天然染料姜黄素的染色功力学。

By means of analysis of microstructure and measuring of impact toughness and hardness,and verification by real manufacture and application,the Si-Mn steel with rare earth and boron complex modification is better than traditional high Mn steel to produce tractor track guard in the wide range of temperature and the low cost and long life.

通过微观组织分析、冲击韧度、硬度等力学性能的测定、实际生产和装车试验证实，采用稀土-硼复合变质的SiMn钢代替传统高锰钢生产拖拉机履带板，不仅使用温度范围广，而且成本低，寿命高，具有明显的经济效益和社会效益。

A series or criteria of recognizing tin-bearing granite is set up by collecting the data on related petrology, mineralogy, geochemistry, trace elements, transitional ele ments, incompatible elements and rare earth elements.

黑云母花岗岩对成矿的贡献有两个突出的方面：其一是其在重熔生成演化过程中，经高度分异作用，将原各地质体中的锡多金属元素分馏富集，为成矿奠定了一个良好的基础。

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。