另外流程结构及矿浆中重金属离子含量对萤石精矿品位也影响较大。
In addition, the flowsheet structure and the content of heavy metal ions in the slurry have effects on the grade of fluorite concentrates as well.
研究表明，增加高硅Y型沸石中的金属离子含量，有助于降低FCC汽油中烯烃含量和硫含量。
The research showed that the increase of metal content of high-silica Y zeolite was benefit to the reduction of the olefin and sulfur content in FCC naphtha.
文摘：在岩石热解分析中当岩样碱金属和碱土金属离子含量较高时，经常发生离子化干扰的影响。
Abstract: in rock pyrolysis when the content of base metals and base earth metals is relatively high ionization interference will frequently occur.
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