查询词典 rare earth

The geochemical characteristics of rare earth elements in Shang-Proto-Porcelain were also discussed.

该方法已用于不同地区的商瓷样品中稀土的测定，并对古瓷的地球化学特征作了探讨。

Effects of rare earth element ceriumin two dosages and administration ways on gonad of male mice were studied.

研究两种剂量铈和两种染毒方法对雄性小鼠性腺的影响。

This article studies the effects of rare-earth modification on carbides pattern,distribution,matrix graininess of high Cr cast iron roller.

本文研究了稀土变质处理对高铬铸铁轧辊的碳化物的形态、分布和基体晶粒度的影响，认为稀土元素在适量的范围内，可提高这种轧辊的冲击韧性、抗压强度、抗剥落性能。

Combined with related rare earth element and trace element geochemistry of Huangshaping granites and ore-bearing skarn, it is concluded in this paper that the age of 154 Ma should represent the metallogenic epoch of the deposit, and that there existed a close relationship between the ore-forming process of the deposit and the granite porphyry, which were both formed during the peak stage of Early Yanshanian large-scale rock-forming and ore-forming activities in South China.

结合黄沙坪岩体及含矿硅卡岩型矿体的稀土及微量元素地球化学特征，得出以下认识：该矿床的成矿年龄在154Ma左右；成矿作用与花岗斑岩关系密切，它们都是华南燕山早期大规模成岩成矿作用高峰期的产物。

By contrasting compositistion and analysis of granitic normal weight , rare-earth and trace elements , it is used to judge the origin and structure environment of granitic.

通过对该区花岗岩的常量元素、稀土元素及微量元素成分进行分析和对比研究，对花岗岩的成因及形成的构造环境进行了综合判别。

Especially in the analysis of rare earth elements and heavy metals analysis have very good results.

特别是在稀土元素分析和重金属元素分析方面有很好的效果。

Influence of heavy rare earth oxide s on the activity of Pd catalyst has been discussed in this article.

研究了重稀土氧化物对钯催化剂活性的影响。

The main reason for these was ascribed to the replacement effect of rare earth elements to heavy metal.

实验发现重金属的形态和积累的确受到外加稀土的影响，引起变化的原因主要归结为外加稀土元素发生的替代反应，这种替代作用表明施加稀土肥干扰了土壤中的金属平衡，值得进一步的研究。

Thus, the cycled extractant loads certain amount of heavy rare earth ion after stripped by acid.

P507-盐酸体系是目前应用最为广泛的稀土萃取分离体系。

Thermodynamic model which quantificationally described the behavior of rare earth in heavy rail steel was proposed.

以重轨钢为研究对象，建立可以定量描述稀土在重轨钢中行为特性的热力学模型，并通过实验验证了模型的精确度。

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。