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1中国汉族人群15个STR基因座遗传多态性研究及法医学应用显示文摘周娟娟 洪素云 2004中国免疫学杂志2004,20,12:10
2Value enhancement of olivine process dust through air classification显示文摘As a result of the production of dry olivine sand products at A/S Olivin's production plant at heim in western Norway,an annual quantity of some 20000-30000 t of process dust is produced.The bulk of this material is currently being sold as a slag conditioner at a relatively low price;hence,alternative uses of the process dust are now being sought.Information regarding the chemical composition of the material as a function of particle size facilitates product modifications through exclusion or mixing of individual size fractions.This paper demonstrates how such information can be obtained from air classification experiments when these are combined with chemical analysis of the produced size fractions.The classification and subsequent analysis of the olivine process dust revealed that the finer size fractions had high loss on ignition(LOI) values and were relatively low in MgO when compared with the bulk analysis.Removal of the finer fractions re-sulted in a remaining coarse product of significantly higher quality.The coarse material could be used as a raw material for further processing;it could be recycled or it could constitute a new product in itself.R.A.Kleiv 2012International Journal of Minerals,Metallurgy and Materials2012,19,3:1
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