najeeb ur rehman

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  1. Taschenbuch
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    To investigate the effect of non-ionic polymers polyvinyl pyrrolidone (PVP), polyethylene oxide and polyvinyl alcohol on critical micelle concentration of an anionic surfactant, sodium dodecyl sulf...
    80,19 €
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    Plant based products, essential oils, plant extracts, natural resins and their preparations have a wide range of applications mainly in pharmaceutical industry, in food technology, in aroma industr...
    70,29 €
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  3. Taschenbuch
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    Chicken egg shells, collected from bakeries shops of Mardan division, KPK Pakistan and treated with different chemicals for leaching purpose. The sample was then characterized by BET surface area, ...
    54,90 €
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