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This paper examines the microbial denitrification of a medium containing acetate as C-source and of an industrial effluent containing volatile fatty acids as main components a ndphenolics as minor components. Values for m and Ymax are represented. It has been concluded that the maintenance coefficient comprises also those processes not involved in the maintenance metabolism of the cells. The least fraction of the rate of substrate utilization of this extended maintenance metabolism has been expressed by m · 100/qmax. From the values of Ymax a P/2e-ratio < 1 and the equation of cell synthesis have been evaluated. 相似文献
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Andreas Jungbluth 《当今生物学》2001,31(4):259-262
The projects „BioTech mobil”︁ and „Science live”︁, initiated by the Bavarian State Government and by the German Ministry for Education and Research, espectively, inform the public about the basis, methods and applications of modern biotechnology and genetics in medicine, agriculture, food production and environmental protection. The central element of each project is a Roadshow Truck, fully equipped as modern genetic laboratory. Each truck is accompanied by three biologists with a doctor's degree. One focus group of the projects are highschool students, who have the opportunity to achieve practical skills in molecular genetics. Isolation of genomic DNA and plasmids, amplification of DNA‐stretches via polymerase chain reaction (PCR) and gel electrophoresis are taught. For most schools, the trucks offer a peculiar chance to implement practical learning possibilities for the students. 相似文献
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