Abstract For n -vertex graphs with treewidth $$k = O(n^{1/2-\epsilon })$$ k = O ( n 1 / 2 - ϵ ) </mml:math...

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Fats, oils and greases in waste water frequently cause serious environmental problems. A commercial preparation was tested for its ability to degrade oil grease wastewater. As substrates, two fats (lard beef fat) four (rape seed oil, sunflower palm olive oil) were chosen. The degradation of different substrates investigated by the determination lipid at pH 7, temperature 25 °C, aerobic conditio...