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[Several kinetic features of nitrogenase reactions].

The dependence of the nitrogen reduction rate on N2-concentration under high nitrogen pressures was measured. The reason for the sharp break of the Arrenius curves in nitrogenase reactions at 20 degrees C was examined. The influence of nitrogen on isotope effect catalyzed by nitrogenase was studied. The kinetic schemes that explain the peculiarities of the nitrogenase reactions were analyzed by the graph's theory. On the base of new conception of inhibitor-"interceptor" of electrons the literature data were discussed.