电感耦合等离子体发射光谱标准基体匹配直接测定纯金中杂质元素-吾爱文库网 关键词 纯金；标准基体匹配；杂质元素；ICP-OES [gap=890]Key words Pure gold; Standard matrix matching; Impurity elements; ICP-OES
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... incidental expenses 额外开支 incidental element 杂质元素 incidental gains 杂项收益,非经常收益...
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宝石级金刚石材料研究的进展_电子资料文库 关 键 词:金刚石;杂质元素;合成;优化 [gap=8496]Key words:diamond ;impurity ;synthesis ;improving treatment and enhancement
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...具网 关键词： 稀土硅铁；灰铸铁；杂质元素；孕育处理[gap=956]Key Words: Rare earth ferrosilican；Gray iron；Tramp elements；Inoculation treatment...
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Studied the interaction of the boron with the slight impurity elements Cr> Mn or Ti and the effects of boron on the electric conductivity.
考察了硼与铝中微量杂质元素Cr、Mn、Ti的作用及其对铝导电性的影响。
参考来源 - 硼对铝中杂质元素的作用及其对导电率的影响But it contained a large number of impurity elements, and the contents of them were high. Therefore,it was necessary to purify zinc sulfate solution furtherly before adding precipitator to it.
其中含有大量杂质元素,且含量较大,因此,在沉锌之前,需对硫酸锌溶液进行必要的深度净化处理。
参考来源 - 纳米微晶碱式碳酸锌的制备研究·2,447,543篇论文数据，部分数据来源于NoteExpress
工业上去除杂质元素的方法主要有氯化精炼法和氧化精炼法。
The methods of removal such impurities as al and Ca include chlorination and oxidation refining process industrially.
研究了基体元素铁、主量元素钕、镝、钴、硼对杂质元素的光谱干扰情况；
The interference effects of matrix element Fe and high concentration elements Nd, Dy, Co, B on impurity elements were studied.
单一电解法提纯镓，由于一些主要杂质析出严重，常常形成个别杂质元素超标，造成产品品级降低。
Purifying Gallium Only by this way, because of some major impurities separated out seriously, often forms individual impurity element to exceed mark, and causes product grade to reduce.
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