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Wady organoleptyczne kazeiny, ich przyczyny i sposoby zapobiegania

100%

Kazmierczak W.

Przegląd Mleczarski

1968

tom 17

nr 02-03

Subfertile couple with t[4:22][q23:q11.2]

45%

Srebrniak M. , Popowksa L. , Wawrzkiewicz-Witkowska A. , Tomaszewska A. , Kazmierczak W.

tom 46

nr 3

333-336

A couple was referred for cytogenetic examination due to idiopathic miscarriages. The proband proved to be a carrier of chromosomal translocation and her partner's karyotype was found to be normal. The karyotype of the proband is 46,XX,t(4;22)(q23;q11.2) and can be regarded as a reason of fertility problems in the investigated couple. The risk of further miscarriages is high, but the risk of a progeny with abnormal karyotype is rather low, as the progeny would probably have lethal imbalances.

Propozycja na weekend. Zamosc

44%

Zdzienicki M. , Kazmierczak W.

nr 10

36-39

Biohydrogen and biomethane (biogas) production in the consecutive stages of anaerobic digestion of molasses

38%

Detman A. , Chojnacka A. , Blaszczyk M. , Kazmierczak W. , Piotrowski J. , Sikora A.

tom 26

nr 3

Anaerobic digestion, whose final products are methane and carbon dioxide, has been used to produce biogas from waste biomass as an alternative energy source. For the purpose of innovative, modern technologies based on microbial processes, it is desirable to separate the hydrogen- (hydrolysis and acidogenesis) and methane-yielding (acetogenesis and methanogenesis) stages of anaerobic digestion to respectively favor the production of hydrogen and methane under controlled conditions. Previously, we developed a benchscale (3- and 3.5-litre bioreactors) two-stage anaerobic digestion system producing hydrogen (in stage 1) and methane (in stage 2) from sucrose-rich by-products of the sugar beet refining industry as the primary energy substrates under mesophilic conditions. Recently, the two-stage system for hydrogen and methane production has been successfully scaled up 10-fold (a pilot scale) and currently operates in one of the Polish sugar factories. The efficiency of hydrogen and methane production were directly proportional to the scale of installation. The obtained results led to the development objectives of further research that the end result will be an innovative solution for the sugar factory as a producer of gaseous biofuels.