منابع مشابه
Isolation of glutamine synthetase and glutamotransferase from green peas.
The enzyme system catalyzing this has been termed “glutamine synthetase” and for convenience this name will be used here. Ammonia in this reaction can be replaced by hydrasine or hydroxylamine, all three bases reacting at the same rate (4). All organic bases and amino acids tested have been found to be inactive. With hydroxylamine, a hydroxamic acid is produced, estimation of which provides a c...
متن کاملSubject headings: galaxies: general—galaxies: spiral—X-rays: general—X-rays: galaxies—X-rays: ISM
We present results from the analysis of deep ROSAT HRI and PSPC observations of the spiral galaxy M81. The inferred total (0.5–2 keV band) luminosity of M81 is ∼ 3×10 ergs s, excluding the contribution from identified interlopers found within the D25 ellipse. The nucleus of the galaxy alone accounts for about 65% of this luminosity. The rest is due to 26 other X-ray sources (contributing ∼ 10%)...
متن کاملMicrowave Drying Characteristics of Green Peas and its Quality Evaluation
The drying characteristics of green peas were examined in a microwave dryer for power level of 20,40 and 60W. The green peas were pretreated with citric acid solutions and blanched with hot water at 85C before drying. The drying process was continued until sample moisture fell to equilibrium moisture content. The blanched samples dried faster than those in other pretreatments and control condit...
متن کاملSymbiotic stars in X-rays
Until recently, symbiotic binary systems in which a white dwarf accretes from a red giant were thought to be mainly a soft X-ray population. Here we describe the detection with the X-ray Telescope (XRT) on the Swift satellite of 9 white dwarf symbiotics that were not previously known to be X-ray sources and one that was previously detected as a supersoft X-ray source. The 9 new X-ray detections...
متن کاملBlazars in hard X–rays
Although blazars are thought to emit most of their luminosity in the γ–ray band, there are subclasses of them very prominent in hard X–rays. These are the best candidates to be studied by Simbol–X. They are at the extremes of the blazar sequence, having very small or very high jet powers. The former are the class of TeV emitting BL Lacs, whose synchrotron emission often peaks at tens of keV or ...
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2019
ISSN: 1538-4357
DOI: 10.3847/1538-4357/ab2b39