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New inducers for cellulases production by Trichoderma reesei M-7

100%

Janas P. , Targonski Z. , Mleko S.

Electronic Journal of Polish Agricultural Universities. Series Food Science and Technology

2002

tom 05

nr 1

The aim of work was to examine the influence of lactobionic acid, gluconic acid, delta-gluconolactone, lactulose and sorbitol on the production of cellulases by mutant strain Trichoderma reesei M-7 during batch and continuous cultivation. Positive results were achieved in the presence of lactobionic acid and lactulose as inducers. In both cases the highest inductive effect of cellulase production was observed in the presence of 1% mixtures of above mentioned substrates at the ratio 1:1 (0.5% : 0.5%) with lactose. (about 20% higher than that observed in the presence of 1% of lactose) The induction mechanism of lactobionic acid and lactulose may be attributed by slow rate of their utilisation (slower than lactose). Explanation of the inductive mechanism of lactose, lactobionic acid and lactulose on cellulases production by Trichoderma reesei demands further investigations among other with using a purified beta-galactosidase enzyme.

The Revelation of Traffic Congestion Drift and Induction Mechanism under Information Modification

84%

Guo D. , Chen J. , Li B. , Li X.

Przegląd Elektrotechniczny

2013

tom R. 89, nr 3b

110--112

It is shown in this paper that for the group of travelers, the individual's rational decision-making is not best, in some cases, still far away from the global peak. This conclusion has been proved by two common models --Greenshields and Underwood. Meanwhile, when the travelers know all the data of systems, congestion drift which can reduce the system throughput often occurs due to the conflict between individual rationality and global optimization. In this paper, we propose an induction mechanism which can greatly reduce the congestion drift by modifying some path information. The simulation experiments verify that the efficiency of the traffic system based on different network structure.

W artykule opisano schemat postępowania przy wyborze optymalnego rozwiązania, w przypadku grupy podróżnych. Wstępną analizę przypadku wykonano na bazie modelu Greenshield i Undrwood, co wykazało, że rozwiązanie najlepsze indywidualnie, nie musi być optymalne dla grupy. Zaproponowane rozwiązanie redukuje pojawiający się zator uliczny. Badania symulacyjne potwierdzają skuteczność metody.