XRF应用广泛，可用于岩石、矿物、土壤、植物、沉积物、冶金、矿业、钢铁、化工产品等样品中常量和痕量的定量分析。
XRF is widely used to analy major elements and trace elements in geological rocks, minerals, soils, plants, sediments, metallurgy, mining industry, steel, chemical products, etc.
介绍了近年来国家、原冶金工业部对部分钢铁产品监督抽查结果，并进行了初步分析。
The recent inspection results of some iron and steel products supervised by the state and MMI are introduced and analysed in the article.
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