326 research outputs found
Lege pentru organizarea creditului funciar rural şi a creditului agricol
No full textBucureşti : Curierul Judiciar, 1929. - 90 p. ; 21 cm. - (Biblioteca legilor uzuale adnotate ; No. 46 ). - Mai cuprinde: Expunerea de motive a ministrului I. Mihalache ; Avizul Consiliului legislativ ; Raportul dela Cameră [prezentat de Const. Simionescu
Instant-Center Based Force Transmissivity and Singularity Analysis of Planar Linkages
No full textThe instant centers of velocity (ICs) of most planar mechanisms can be determined as the intersection of the lines of centers, also known as Aronhold–Kennedy lines, along which the ICs of three distinct links in relative motion are located. It is shown how these
intersections can be kept track of in matrix form, very suitable to algorithmic implementation on a computer. Solving for the coordinates of the actual instant centers can be also cast in matrix form. Moreover, the singularity and force transmissivity of the mechanism are reflected in the condition numbers of these matrices and the degree of dispersion of the secondary instant centers i.e., the instant centers that cannot be found by inspection
Probing multiphase gas in local massive elliptical galaxies via multiwavelength observations
No full textWe investigate the cold and warm gas content, kinematics, and spatial
distribution of six local massive elliptical galaxies to probe the origin of
the multiphase gas in their atmospheres. We report new observations, including
SOFIA [CII], ALMA CO, MUSE H+[NII] and VLA radio observations. These
are complemented by a large suite of multiwavelength archival datasets,
including thermodynamical properties of the hot gas and radio jets, which are
leveraged to investigate the role of AGN feeding/feedback in regulating the
multiphase gas content. Our galaxy sample shows a significant diversity in cool
gas content, spanning filamentary and rotating structures. In our non-central
galaxies, the distribution of such gas is often concentrated, at variance with
the more extended features observed in central galaxies. Misalignment between
the multiphase gas and stars suggest that stellar mass loss is not the primary
driver. A fraction of the cool gas might be acquired via galaxy interactions,
but we do not find quantitative evidence of mergers in most of our systems.
Instead, key evidence supports the origin via condensation out of the diffuse
halo. Comparing with Chaotic Cold Accretion (CCA) simulations, we find that our
cool gas-free galaxies are likely in the overheated phase of the self-regulated
AGN cycle, while for our galaxies with cool gas the k-plot and AGN power
correlation corroborate the phase of CCA feeding in which the condensation rain
is triggering more vigorous AGN heating. The related C-ratio further shows that
central/non-central galaxies are expected to generate an extended/inner rain,
consistent with our sample
Supplementary_Table_1 – Supplemental material for Diabetes-induced early molecular and functional changes in aortic heart valves in a murine model of atherosclerosis
No full textSupplemental material, Supplementary_Table_1 for Diabetes-induced early molecular and functional changes in aortic heart valves in a murine model of atherosclerosis by Monica Madalina Tucureanu, Alexandru Filippi, Nicoleta Alexandru, Cristina Ana Constantinescu, Letitia Ciortan, Razvan Macarie, Mihaela Vadana, Geanina Voicu, Sabina Frunza, Dan Nistor, Agneta Simionescu, Dan Teodor Simionescu, Adriana Georgescu and Ileana Manduteanu in Diabetes & Vascular Disease Research</p
Supplementary_figure_1 – Supplemental material for Diabetes-induced early molecular and functional changes in aortic heart valves in a murine model of atherosclerosis
No full textSupplemental material, Supplementary_figure_1 for Diabetes-induced early molecular and functional changes in aortic heart valves in a murine model of atherosclerosis by Monica Madalina Tucureanu, Alexandru Filippi, Nicoleta Alexandru, Cristina Ana Constantinescu, Letitia Ciortan, Razvan Macarie, Mihaela Vadana, Geanina Voicu, Sabina Frunza, Dan Nistor, Agneta Simionescu, Dan Teodor Simionescu, Adriana Georgescu and Ileana Manduteanu in Diabetes & Vascular Disease Research</p
Answers_to_Reviewers_Rev2 – Supplemental material for Diabetes-induced early molecular and functional changes in aortic heart valves in a murine model of atherosclerosis
No full textSupplemental material, Answers_to_Reviewers_Rev2 for Diabetes-induced early molecular and functional changes in aortic heart valves in a murine model of atherosclerosis by Monica Madalina Tucureanu, Alexandru Filippi, Nicoleta Alexandru, Cristina Ana Constantinescu, Letitia Ciortan, Razvan Macarie, Mihaela Vadana, Geanina Voicu, Sabina Frunza, Dan Nistor, Agneta Simionescu, Dan Teodor Simionescu, Adriana Georgescu and Ileana Manduteanu in Diabetes & Vascular Disease Research</p
Unklare Hautveränderung an der Glans penis führt zu unterschiedlichen dermatoskopischen Diagnosen
No full textNo abstract available
The mergers in Abell 2256: displaced gas and its connection to the radio-emitting plasma
No full textWe present the results of deep Chandra and XMM–Newton X-ray imaging and spatially resolved spectroscopy of Abell 2256, a nearby (z = 0.058) galaxy cluster experiencing multiple mergers and displaying a rich radio morphology dominated by a large relic. The X-ray data reveal three subclusters: (i) the ‘main cluster’; (ii) the remnant of an older merger in the east of the cluster with an ∼600 kpc-long tail; (iii) a bright, bullet-like, low-entropy infalling system, with a large line-of-sight velocity component. The low-entropy system displays a 250 kpc-long cold front with a break and an intriguing surface brightness decrement. Interestingly, the infalling gas is not co-spatial with bright galaxies and the radio-loud brightest cluster galaxy of the infalling group appears dissociated from the low-entropy plasma by ∼50 kpc in projection, to the south of the eastern edge of the cold front. Assuming that the dark matter follows the galaxy distribution, we predict that it is also significantly offset from the low-entropy gas. Part of the low-frequency radio emission near the cold front might be revived by magnetic field amplification due to differential gas motions. Using analytical models and numerical simulations, we investigate the possibility that the supersonic infall of the subcluster generates a large-scale shock along our line of sight, which can be detected in the X-ray temperature map but is not associated with any clear features in the surface brightness distribution
Serendipitous discovery of an extended x-ray jet without a radio counterpart in a high-redshift quasar
No full textDigging for red nuggets: Discovery of hot haloes surrounding massive, compact, relic galaxies
No full textWe present the results of Chandra X-ray observations of the isolated, massive, compact, relic galaxies MRK 1216 and PGC 032873. Compact massive galaxies observed at z > 2, also called red nuggets, formed in quick dissipative events and later grew by dry mergers into the local giant ellipticals. Due to the stochastic nature of mergers, a few of the primordial massive galaxies avoided the mergers and remained untouched over cosmic time.We find that the hot atmosphere surrounding MRK 1216 extends far beyond the stellar population and has a 0.5-7 keV X-ray luminosity of LX = (7.0 ± 0.2) × 1041 erg s-1, which is similar to the nearby X-ray bright giant ellipticals. The hot gas has a short central cooling time of ~50 Myr and the galaxy has an ~13-Gyr-old stellar population. The presence of an X-ray atmosphere with a short nominal cooling time and the lack of young stars indicate the presence of a sustained heating source, which prevented star formation since the dissipative origin of the galaxy 13 Gyr ago. The central temperature peak and the presence of radio emission in the core of the galaxy indicate that the heating source is radio-mechanical active galactic nucleus (AGN) feedback. Given that both MRK 1216 and PGC 032873 appear to have evolved in isolation, the order of magnitude difference in their current X-ray luminosity could be traced back to a difference in the ferocity of the AGN outbursts in these systems. Finally, we discuss the potential connection between the presence of hot haloes around such massive galaxies and the growth of super-/overmassive black holes via chaotic cold accretion. © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society
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