abbr.Saponification Number 皂化值;
英文例句/中文翻译:
1、
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、
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、
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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