cal properties of polymer surfaces without affecting bulk properties. Common surface modification techniques include treatments by flame, corona, plasmas, photons, electron beams, ion beams, X-rays, and γ-rays.Plasma treatment is probably...

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input was represented by fertilisation which involved 14 ;GJ ;ha−1 (fertilisers plus their distribution) of total energy costs. This value represents 78% of total energy inputs for fertilised crops.Giant reed biomass calorific mean value...

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ual animals can be classified by several factors other than age. Translating the population dynamics model into a standard non-linear programming problem allows to derive the optimum offtake policy in each stage class. The proposed approac...

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Radix-4 FFT requires less number of multiplications than radix-2 FFT of the same size, and for the same throughput, it requires less hardware. Hence, quite often, radix-4 structure is preferred to radix-2 structure. Professional Trail R...

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In the 1970s, public opposition to clearcut Vibram Canada Treksport Mens Black Red VF0239 harvesting in hardwood forests of the eastern United States led forest managers and scientists to consider alternative practices that retain a lo...

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Abundant cell-like organic structures have been proposed as microfossils in Paleoarchean (3.2–3.5 ;Ga) cherts. The wide range of δ13Corg values recorded in Paleoarchean organic matter (OM), including some of these possible microfossi...

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attractive option. The source is renewable and the atmospheric carbon dioxide is recycled. However, its use for feedstock production demands for a sequence of chemical conversions since Vibram Five Fingers Mens KSO Trek Sport Brown Black V...

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cation of single mossy fiber afferent signals that would reach the overlying Purkinje cells via ascending granule cell axons and their Vibram Five Fingers Mens KSO Trek Sport Black VF0566 parallel fibers. In sharp contrast to other classe...

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Vitamin D status is much better in North America where vitamin D deficiency is uncommon but vitamin D insufficiency (serum 25(OH)D between 25 and 50 ;nmol/l) is still common. In the United States and Canada milk is usually supplemented wi...

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Drought stress can greatly reduce grain yields of maize (Zea mays L.) if it coincides with flowering. Eight cycles of full-sib recurrent selection in the population ‘Tuxpeño Sequía’ were carried out with the objective of improving...

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