英语网专题频道sn的用法栏目,提供与sn的用法相关的英语知识和资讯,希望英语网专题频道sn的用法栏目能够成为您了解sn的用法、掌握相关英语知识和资讯的重要窗口。

SN

abbr.Saponification Number 皂化值;

英文例句/中文翻译:

  • 1、

    Precambrian strata which are rich in ore-forming elements such as W and Sn are resource layer of the tin poly-metallic deposit and the geothermal incidents afterwards made these elements redistribute.

    寒武纪地层的W、Sn等元素含量较高,是重要的矿源层。后期的热事件使成矿元素发生重新分布。

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  • 2、

    A comparatively systematic study was made of the effect of forming complex compounds in chromophoric system of tetravalent metal ions ( Sn, Ge, Ti and Zr)-o-Cl-PF-CT-MAB by the variation of sulfuric acidity of solution, concentration of surfactant and concentration of chromophoric agent.

    本文较系统地研究了溶液硫酸酸度、表面活性剂浓度和显色剂浓度变化对四价金属离子(Sn、Ge、Ti、Zr)O CL PF CT MAb显色体系中配合物形成的影响。

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  • 3、

    Tin doped indium oxide ( ITO) films were deposited on glass substrates by reactive magnetron sputtering using a metallic alloy target ( In Sn, 90 10).

    采用铟锡合金靶(铟锡,90-10),通过直流反应磁控溅射在玻璃基片上制备出ITO薄膜,并在大气环境下高温退火处理。

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