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24. Extension of elliptic curves on Krasner hyperfieldsVahid Vahedi, Morteza Jafarpour, Hossien Aghabozorgi, Irina Elena Cristea, 2019, original scientific article Keywords: Hypergroup, hyperring, hyperfield, elliptic (hyper)curve, generalized Weierstrass equation, cryptography
Published in RUNG: 08.04.2019; Views: 3044; Downloads: 0
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27. Corn silage fungal-based solid-state pretreatment for enhanced biogas production in anaerobic co-digestion with cow manureMarina Tišma, Mirela Planinc, Ana Bucić Kojić, Mario Panjičko, Gregor Drago Zupančič, Bruno Zelić, 2018, original scientific article Abstract: The objective of this research was to use white-rot fungus Trametes versicolor for corn silage pretreatment and to investigate the effect of pretreatment on biogas productivity. Semi-continuous pilot-scale experiment, comprised of two experimental phases, was carried out. In the first phase, operational conditions of the full-scale biogas plant were reproduced at pilot-scale. In that phase, the reactor was daily fed with the mixture of cow manure,
digestate from industrial postfermentor, corn grits and ensiled corn silage, and the average methane generation
rate was 0.167 m3 CH4 per kgVS. In the second phase, corn grits and ensiled corn silage were replaced with corn
silage pretreated with T. versicolor, and the average methane generation rate increased up to 0.236 m3 per CH4 kgVS. The results of this study suggest that application of fungal-based solid-state pretreated corn silage has positive
effect on pH stability and increase the biogas productivity.
Keywords: Semi-continuous anaerobic co-digestion
Fungal-based pretreatment
Corn silage
Cow manure
Published in RUNG: 17.01.2018; Views: 3901; Downloads: 0
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30. Kawakami, Satoshi; Tsurii, Tatsuya; Yamanaka, Satoe Deformations of finite hypergroups. Sci. Math. Jpn. 79 (2016), no. 2, 113–123Irina Elena Cristea, 2017, review, book review, critique Keywords: finite hypergroup, deformation
Published in RUNG: 24.08.2017; Views: 4727; Downloads: 0
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