1·Effect of rare earth elements on properties of brass powders is discussed.
探讨了稀土元素对黄铜粉末性能的影响。
2·It is the first time attainable rare earth elements were confirmed on the seafloor.
这是海底可利用的稀土元素资源量首次得到确认。
3·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。
4·The nearside also has much more kreep-potassium, rare-earth elements, and phosphorus-according to scientists.
据科学家称，月球近地端含有更多的克里普矿物，稀有地球元素钾，还有磷。
5·The effect of rare earth elements on the microstructure and properties of steel P20 has been investigated.
研究了P 20钢中加入微量稀土元素后性能和组织的变化规律。
6·This method was utilized to determine rare earth elements in fennel spice sample with satisfactory results.
该方法被用于分析茴香调味品实际样品中的稀土元素，结果令人满意。
7·Rare earth elements have been widely applied in agriculture, industry, medicine and stockbreeding and so on.
稀土在我国农业、工业、医疗和畜牧业等方面有着广泛的应用。
8·Rare earth elements from 4 square kilometers of such areas could meet Japan's annual demand of about 30, 000 tons.
上述区域内每4平方公里范围的稀土元素储量，即可满足日本每年约30000吨的需求。
9·Rare earth elements can improve the plating bath performance and deposit quality, and has good application prospect.
稀土添加荆可改善镀液性能，提高镀层质量，有良好的应用前景。
10·This abandoned mine in Guyun Village in China exhausted the local deposit of heavy rare-earth elements in three years.
而在中国古云镇的这一废弃稀土矿，三年就已经挖光了所有资源。