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The Catalytic mechanism of rare earth elements is also discussed.

讨论了稀土元素的催渗机理.

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Some typical cast ferroalloys and nonferroalloys containing rare earth elements were described.

并介绍了一些典型的含稀土元素的铸铁合金和有色铸造合金.

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The process of Cu - Ag contact wire with adding rare - earth elements was presented.

介绍了稀土银铜合金导线的生产工艺,重点介绍了稀土的添加方法和分析了稀土的作用.

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The bioavailability of light rare earth elements from maize root is evaluated by single regression analysis.

用一元回归分析法评价了使用不同萃取剂时轻稀土元素的生物可利用性.

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The mechanism of pure rare earth elements improving electrical conductivity of industrial aluminum was also discussed.

还对镧、铈降低铝常温电阻率的机理作了初步的探讨.

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The fourteen complexes of mandelic acid with rare earth elements in aqueous solution have been prepared.

在水溶液体系中,用苯羟乙酸直接与碳酸稀土作用,合成了十四种苯羟乙酸稀土配合物.

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The extensive application of rare earth elements on agriculture has caused remarkable economic benefits.

稀土元素在农业上得到了广泛的应用,产生了显著的经济效益.

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Objective : To study contents of nutrients and rare - earth elements of wild lycium barbaruml leaf and tea.

目的: 研究稀土地域野生枸杞叶及所制茶叶的营养成分及稀土元素含量.

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It is first time that 15 rare - earth elements are systematically analysized in home and abroard.

全面分析测试了煤中15个稀土元素,发现煤中稀土元素是植物生长过程中生物地球化学作用的产物.

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Rare - earth elements and depositional environments of the Sinian system in southwestern Hunan are discussed.

湘西南震旦系是在“江口裂谷”作用下形成的一套特殊地层.

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The effect of adding rare earth elements, metals, metal carbides into cemented carbide, are summarized.

本文综述了向硬质合金中加入稀土元素 、 金属和(金属)碳化物对硬质合金性能的影响.

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