Showing 381 - 400 results of 1,343 for search '"petroleum"', query time: 0.15s Refine Results
  1. 381
    Published in 2011
    Repositorio Universidad Nacional de Colombia

    ... materials like carbohydrates and fatty acids derivates instead of petroleum. Dehydration reaction...
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  2. 382
    Article of journal
    Published in 2017
    Repositorio Universidad Nacional de Colombia

    ...Great challenges come for the world. Climatic change, clean energy, petroleum, politic points...
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  3. 383
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  6. 386
    Trabajo de grado de pregrado
    Published in 2000
    Repositorio Repositorio UNAB

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  7. 387
    Article of journal
    Repositorio Repositorio Institucional UPN

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  8. 388
    Published in 2017
    Repositorio Séneca: repositorio Uniandes

    ... holdup, is a very challenging and valuable problem in chemical industry, especially during petroleum...
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  9. 389
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  11. 391
  12. 392
    Repositorio Repositorio Universidad de la Sabana

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