E. A. Privalova

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The reproductive strategies of Polistes nimphus (Chris) and P. gallicus (L.) males in the Low Dnieper area are described. In the P. nimphus population, territorial and migrating males were observed. The territorial males of P. gallicus formed swarms or patrolled their areas singly. The male color variants and size were shown to correlate with their(More)
The composition of ethanol extract of wheat straw obtained under subcritical and supercritical conditions has been studied. It was found out that treatment with increased temperature, pressure and prolonged time of extraction leads to increased yield of ethanol soluble products, because of destruction of pentosan, lignin and, partially, cellulose.(More)
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