Biblioteca Digital

225 resultados para graphite-heating elements

Content and distribution of rate earth elements in slils of Ching

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Soluble rare carth elements in soils

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On the characteristics of lcaching and accumulation of chemical elements in...

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Content and distribution of rate earth elements in slils of Ching

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Soluble rare carth elements in soils

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On the characteristics of lcaching and accumulation of chemical elements in...

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Geochemical characteristics of some transitional and rare earth elements in paddy soils of red earth region,Guangdong province

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Forms and transformation of heavy metal elements in soils and its ecological eff

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Contents and fractionation of rare earth elements in soils

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Rations of closely related elements in soil and their implication

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Lanthanide elements in paddy soils

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Role of amorphous Fe oxides in controlling retention of heavy metal elements in soils

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Rare earth elements in soils

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Relationships between distributions of longevous population and trace elements in the agricultural ecosystem of Rugao County, Jiangsu, China

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A novel biomass air gasification process for producing tar-free higher heating value fuel gas

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