• The Al, Pb, Cu, Cd, Fe, Sn etc trace element in the electrolytic zinc were accurately and quickly measured by using ICP-AES method.

    采用ICP—AES法准确快速地测定中的微量元素,并对方法的准确度精密度进行了检验。

    youdao

  • Metallic elements such as Fe, Cu, al, Pb, Na, Zn, Sn and Cd etc. would influence the stability of grape wine.

    影响葡萄酒稳定性金属元素

    youdao

  • The Shanghai economic district is rich in mineral resources of following varieties: mainly Cu, Pb, Zn, W, Sn, Mo, Mn, Au, Ag, REE, Nb and Ta.

    上海经济区蕴藏着丰富金属矿产资源主要有铁、稀土、钽等矿种。

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  • There exist large Au, Cu, Pb-Zn, Ni, rare metals, rare earth, Sn, Mo, V, Ti, W and some other types of ore deposits.

    具有大型、 超大型规模矿产为、铜、铅锌稀有金属稀土金属、以及

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  • A new technology of decomposition of Sn-Pb-Cu-Fe multi-elemental alloys was presented. The principal parameters of this process were investigated.

    本文提出锡铅铁多元合金分解工艺流程。

    youdao

  • A new technology of decomposition of Sn-Pb-Cu-Fe multi-elemental alloys was presented. The principal parameters of this process were investigated.

    本文提出锡铅铁多元合金分解工艺流程。

    youdao

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