نتایج جستجو برای: a thiooxidans
تعداد نتایج: 13431900 فیلتر نتایج به سال:
Partially purified preparations of ribulose-5-phosphate kinase (specific activity, 50 to 125 mumoles per min per mg of protein) were employed in a series of kinetic experiments in the presence of several concentrations of H(+), Mg(2+), adenosine triphosphate (ATP), and phosphoenolpyruvate (PEP). The pH optimum of the enzyme was found to be 7.9; at this pH and above, response of the enzyme to va...
We have characterized the molecular and genomic diversity of the microbiota of the starlet sea anemone Nematostella vectensis, a cnidarian model for comparative developmental and functional biology and a year-round inhabitant of temperate salt marshes. Molecular phylogenetic analysis of 16S rRNA gene clone libraries revealed four ribotypes associated with N. vectensis at multiple locations and ...
This study deals with bioleaching of the low grade uranium ore of Saghand mine in Iran using a mixed culture of mesophilic bacteria (Acidithiobacillus ferrooxidans, Acidithiobacillus thiooxidans and Leptospirillum ferrooxidans). Experiments were carried out in shaking flask examining the effect of temperature, initial ferrous ion concentration, pulp density and particle size. Variations of ...
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