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1.406  Articles
1 of 142 pages  |  10  records  |  more records»


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Ni-M (M = Mo, Fe, Co, Mn or Cr) bicomponent catalysts were prepared through the co-impregnation method for upgrading low H2/CO ratio biomass gas into urban gas through partial methanation coupling with water gas shift (WGS). The catalysts were characteriz... see more

O presente artigo busca realizar uma breve análise da ascensão pacifica chinesa e delinear historicamente as conseqüências da viagem do almirante Zheng He ao sudeste asiático.

O presente artigo busca realizar uma breve análise da ascensão pacifica chinesa e delinear historicamente as conseqüências da viagem do almirante Zheng He ao sudeste asiático.

1 of 142 pages  |  10  records  |  more records»