杂质元素 meaning in Chinese

foreign element
impurity element
incidental element

Study on analysis of high - purity la - ni - al alloy
合金成分及杂质元素的分析方法研究
Determination of impurity elements in silver cyanide bath by icp - aes
法测定氰化镀银液中的杂质元素
Determination of eleven impurity elements in high purity tellurium by icp - aes
测定高纯碲中11种杂质元素
Note : titanium content is the rest except of all impurities
注：钛含量由减量法减去表中杂质元素含量之和得到。
Determination of the impurity elements in barium carbonate of high - purity by icp - aes
测定高纯碳酸钡中杂质元素

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