... atomic impurity 原子型杂质 insoluble impurity 不溶性杂质 ; 不溶性物质 trace impurity 痕量杂质 ...
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trace impurity yttrium 痕量杂质钇
detection of trace impurity 痕量检测
determination of trace impurity 痕量杂质
trace of impurity 痕量杂质
impurity trace 径迹污染
trace gas impurity analysis 痕量气体杂质分析
The trace impurity in product has been determined by A A S. it is important to improve process.
还用原子吸收光谱法测定了产品中微量杂质的含量，对改进生产工艺具有指导作用。
A ICP-MS method for the determination of 5 trace impurity elements of copper, titanium, zinc, manganese and cobalt in aluminum has been developed in this paper.
用标准加入法以电感耦合等离子体质谱测定金属中铝、铜、钛、锌、锰、钴，建立了一种简便、快速测定金属铝中杂质元素的分析方法。
Determining trace impurity element of the standard europium oxide by the standard addition method. So the errors owing to neglecting the impurity in the standard are eliminated.
用标准加入法测出氧化铕基准中的微量杂质元素，消除了由于忽略基准中的杂质元素的含量给分析测定带来的误差。
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