rare-earth element

rare-earth element 基本解释

[机] 烯土元素

词组短语

1、rare earth element [化] 稀土元素

rare-earth element 用法和例句

1、Separation of rare earth element chelates and qualitative determination by chromatography

稀土元素螯合物分离和色谱定性测定

2、The strengthening mechanism of rare earth element in sintered copper molybdenum steel has been studied.

探讨了稀土在烧结铜钼钢中的作用机理。

3、Effects of rare earth element lanthanum on the activities of invertase, catalase and dehydrogenase in red soil.

镧对红壤转化酶、过氧化氢酶和脱氢酶活性的影响。

4、Effects of rare earth element cerium in 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。

重点词汇

rare adj. 罕见的，特殊的；优秀的，不寻常的；稀薄的，经过稀化的

earth n. 地球；陆地；泥土；兽穴 vt. 把（电线）接地；盖（土）；追赶入洞穴 vi. 躲进地洞

element n. [化]元素；要素；原理；[电]电阻丝