cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
101 geyser per Encelado
Creators: Davide Coero Borga
Publisher: name: Media Inaf
Year: 2014

In 7 anni di osservazione del polo meridionale della luna ghiacciata di Saturno, Encelado, la sonda Cassini ha individuato 101 geyser in attività: l'oceano nascosto sotto il guscio di ghiaccio che avvolge il satellite naturale ha trovato una via per mostrarsi agli occhi degli scienziati NASA
Rotating elastic bodies in Einstein gravity
Creators: name: Andersson, Lars
name: Beig, Robert
name: Schmidt, Bernd
Publisher: name: arXiv
Year: 2008
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We prove that, given a stress-free, axially symmetric elastic body, there exists, for sufficiently small values of the gravitational constant and of the angular frequency, a unique stationary axisymmetric solution to the Einstein equations coupled to the equations of relativistic elasticity with the body performing rigid rotations around the symmetry axis at the given angular frequency.
description: 27 pages
La ‘tempesta perfetta’ che estinse i dinosauri
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2014

Le grandi creature preistoriche scomparse 66 milioni di anni fa furono vittime di una sfortunata concatenazione d’eventi, dei quali l’impatto con un gigantesco meteorite da 10 km non fu che la conclusione. Il risultato, pubblicato su Biological Reviews, grazie a uno studio sui fossili
The role of a matchmaker in buyer-vendor interactions
Creators: name: Lü, Linyuan
name: Medo, Matus
name: Zhang, Yi-Cheng
Publisher: name: arXiv
Year: 2009
Subjects: subject: General Finance (q-fin.GN)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Economics and business
subject: FOS: Physical sciences

description: We consider a simple market where a vendor offers multiple variants of a certain product and preferences of both the vendor and potential buyers are heterogeneous and possibly even antagonistic. Optimization of the joint benefit of the vendor and the buyers turns the toy market into a combinatorial matching problem. We compare the optimal solutions found with and without a matchmaker, examine the resulting inequality between the market participants, and study the impact of correlations on the system.
description: 7 pages, 5 figures, minor modifications
Opportunity si supera
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2014

Il rover della NASA arrivato sul Pianeta rosso il 24 gennaio del 2004 è il veicolo che ha percorso più chilometri su una superficie non terrestre, oltre ad essere il veicolo "marziano" più longevo. Il precedente dato da Guinness apparteneva al rover russo Lunokhod 2, che sulla Luna percorse 39 chilometri in meno di 5 mesi
Pallottole di cometa
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2014

Sono cinque gli orbiter a rischio per il flyby della cometa Siding Spring con il pianeta rosso, in calendario il prossimo 19 ottobre. La NASA ha già avviato alcune delle sequenze di correzione orbitale elaborate per mettere al sicuro le sue tre sonde
MOESM1 of Regulatory network of circRNAâ miRNAâ mRNA contributes to the histological classification and disease progression in gastric cancer
Creators: name: Cheng, Jia
name: Zhuo, Huiqin
name: Xu, Mao
name: Wang, Linpei
name: Xu, Hao
name: Peng, Jigui
name: Hou, Jingjing
name: Lin, Lingyun
name: Cai, Jianchun
Publisher: name: figshare
Year: 2018
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Chemical Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Cancer
subject: Computational Biology

description: Additional file 1: Table S1. The sequence of primers and siRNA.
An x-ray dose comparator
Creators: name: Mibus, Sidney Albert
Publisher: name: University of British Columbia
Year: 2012

description: This thesis describes the design and construction of an instrument for comparison of x-ray doses at two different points in an x-ray field. Essentially, it consists of two ionization chambers each fed into a very stable, linear, d.c. amplifier. The outputs of the d.c. amplifiers are coupled in such a way that a fraction of the output of one amplifier is balanced against the total output of the other in a ratio circuit. The scale of the ratio circuit may be set to read directly the dose at any point as a percentage of the dose at an arbitrarily chosen reference point. This percentage is independent of fluctuations of the x-ray intensity with time. The instrument is battery-operated, light in weight and therefore easily portable. The principal use of the instrument is for the comparison of x-ray doses at different points in a tissue-equivalent medium — information required for dose estimates in radiotherapy. The accuracy of the instrument is better than one half percent of the maximum dose in the x-ray field. The instrument can be modified for automatic plotting of "isodose curves".
The early evolution of the H-free process
Creators: name: Bohman, Tom
name: Keevash, Peter
Publisher: name: arXiv
Year: 2009
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: The H-free process, for some fixed graph H, is the random graph process defined by starting with an empty graph on n vertices and then adding edges one at a time, chosen uniformly at random subject to the constraint that no H subgraph is formed. Let G be the random maximal H-free graph obtained at the end of the process. When H is strictly 2-balanced, we show that for some c>0, with high probability as $n \to \infty$, the minimum degree in G is at least $cn^{1-(v_H-2)/(e_H-1)}(\log n)^{1/(e_H-1)}$. This gives new lower bounds for the Turán numbers of certain bipartite graphs, such as the complete bipartite graphs $K_{r,r}$ with $r \ge 5$. When H is a complete graph $K_s$ with $s \ge 5$ we show that for some C>0, with high probability the independence number of G is at most $Cn^{2/(s+1)}(\log n)^{1-1/(e_H-1)}$. This gives new lower bounds for Ramsey numbers R(s,t) for fixed $s \ge 5$ and t large. We also obtain new bounds for the independence number of G for other graphs H, including the case when H is a cycle. Our proofs use the differential equations method for random graph processes to analyse the evolution of the process, and give further information about the structure of the graphs obtained, including asymptotic formulae for a broad class of subgraph extension variables.
description: 36 pages
The Growth of Structure in Interacting Dark Energy Models
Creators: name: Caldera-Cabral, Gabriela
name: Maartens, Roy
name: Schaefer, Bjoern Malte
Publisher: name: arXiv
Year: 2009
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: If dark energy interacts with dark matter, there is a change in the background evolution of the universe, since the dark matter density no longer evolves as a^{-3}. In addition, the non-gravitational interaction affects the growth of structure. In principle, these changes allow us to detect and constrain an interaction in the dark sector. Here we investigate the growth factor and the weak lensing signal for a new class of interacting dark energy models. In these models, the interaction generalises the simple cases where one dark fluid decays into the other. In order to calculate the effect on structure formation, we perform a careful analysis of the perturbed interaction and its effect on peculiar velocities. Assuming a normalization to today's values of dark matter density and overdensity, the signal of the interaction is an enhancement (suppression) of both the growth factor and the lensing power, when the energy transfer in the background is from dark matter to dark energy (dark energy to dark matter).
description: 9 pages, 12 figures. Minor improvements to clarify relation to previous work. Version accepted by JCAP
Measurement Robotic Arm (MRA) for the evaluation of localization sensors properties
Creators: name: Matějka, P.
name: Kadeřábek, J.
name: Shapoval, V.
Publisher: name: Agronomy Research
Year: 2019
Subjects: localization
accuracy
precision
dynamic properties
reference system
reference trajectory
time synchronization
PPS
RTK
GNSS
agriculture
article

description: The purpose of this longitudinal project is to verify the dynamic properties of the Real Time Kinematic receivers (‘RTK’). For this purpose, a verification method using Measurement Robotic Arm (‘MRA’) described in this paper has been developed. This device can be moved along a circular trajectory in a horizontal surface. Using the methodology described in this paper, the absolute position of the MRA trolley in absolute time can be defined with absolute accuracy and can serve as a reference for the verification of RTK receivers positioning. Its movement, including its breaking, can be controlled via a PC app and various sensor properties can be monitored. The position of the trolley is determined by the encoder. A Hall sensor indicates the absolute start position of one full turn. The absolute time marks of the measurement and the time synchronization of the microprocessor based on Pulse Per Second (‘PPS’) were obtained from the standard GNNS receiver. This study provides information about a proposal solution of the MRA reference system in terms of the frame construction description, the design of electronic equipment and the design of a software solution for processing and logging of messages. This paper also presents the results of three tests performed to verify the functionality and reliability of the MRA system: PPS time accuracy verification, the quantity and correctness of sent messages according to the arm instantaneous speed, and a real RTK verification test. The MRA also can be used to verify the dynamic properties of other localization devices.
Il quid delle atmosfere
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2014

Un chimico inglese ha creato una pratica e chiara infografica con cui spiega la composizione e le particolarità di tutte le atmosfere dei pianeti che orbitano attorno al Sole. Non dimentica neanche Plutone, anche se da anni non è più considerato un pianeta come gli altri
Reliability metrics of outcome measures during the single and double leg drop jump tests
Creators: name: CELIK, HUSEYIN
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Sports Sciences
subject: Kinesiology
subject: Medicine and Health Sciences
subject: Life Sciences

description: This repository contains code and data for our project on the reliability metrics of outcome measures during the single and double leg drop jump tests. Below is the abstract of the manuscript. Although a number of previous studies have studied reliability metrics of outcome measures during single and double leg drop jump tests, none of them presented detailed reliability information for both tests with a group of collegiate athletes of both genders. The aim of this study was therefore to assess the reliability of outcome measures during the single and double leg drop jump tests with proper reliability metrics. Seventeen handball players (11 male and 6 female) participated in the experiments. Each player performed three double leg and three single drop jumps from a 30 cm height box onto a portable force plate in two sessions a week apart. Sixteen outcome measures, including jump height (JH), ground contact time (GCT), reactive strength index (RSI), were calculated. Four groups of reliability metrics like absolute agreement and consistency intraclass correlation coefficients (inter-day and intra-day), standard error of measurement, coefficient of variation, and minimal metrically detectable change were estimated for reliability assessment. The outcome measures as RSI and its individual components JH and GCT together with normalized vertical stiffness (Kvert) yielded high inter-day and intra-day intraclass correlation coefficients and low standard error of measurement and coefficient of variation levels for the double leg drop jump test. The more challenging single leg drop jump test could also be considered reproducible with some other highly reliable outcome measure set by keeping JH, GCT, and normalized Kvert and replacing vertical jump impulse with RSI. The results of the current study therefore suggested the drop jump tests could be deemed reliable to be used for short-term and long-term monitoring needs for a group of collegiate athletes of both genders.
Review of recent results on streamer discharges and discussion of their relevance for sprites and lightning
Creators: name: Ebert, Ute
name: Nijdam, Sander
name: Li, Chao
name: Luque, Alejandro
name: Briels, Tanja
name: van Veldhuizen, Eddie
Publisher: name: arXiv
Year: 2010
Subjects: subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: It is by now well understood that large sprite discharges at the low air densities of the mesosphere are physically similar to small streamer discharges in air at standard temperature and pressure. This similarity is based on Townsend scaling with air density. First the theoretical basis of Townsend scaling and a list of six possible corrections to scaling are discussed; then the experimental evidence for the similarity between streamers and sprites is reviewed. We then discuss how far present sprite and streamer theory has been developed, and we show how streamer experiments can be interpreted as sprite simulations. We review those results of recent streamer research that are relevant for sprites and other forms of atmospheric electricity and discuss their implications for sprite understanding. These include the large range of streamer diameters and velocities and the overall 3D morphology with branching, interaction and reconnection, the dependence on voltage and polarity, the electron energies in the streamer head and the consecutive chemical efficiency and hard radiation. New theoretical and experimental results concern measurements of streamer spectra in air, the density dependence of streamer heating (hot leaders are unlikely at 80 km altitude and cold streamers are unlikely in liquids), and a discussion of the influence of magnetic fields on thermal electrons or on energetic electrons in streamers or sprites.
description: 38 pages, 4 figures, article accepted for publication in J. Geophys. Res. - Space Physics
L’antimateria all’ombra della materia
Creators: Sara Cacciarini e Vincenzo Napolano
Publisher: name: Media Inaf
Year: 2014

Misurata la deflessione di un fascio di antiprotoni. L'esperimento AEḡIS, condotto dal CERN con il supporto dell'INFN, misurato, grazie allo strumento chiamato “deflettometro di moiré”, la deflessione di un fascio di antiprotoni sotto l'effetto di una debolissima forza magnetica. Si tratta di un primo test dello strumento che ne ha verificato l’efficienza e la sensibilità, nella prospettiva di eseguire in futuro misure degli effetti della gravità su atomi di anti-idrogeno
Anharmonic softening of Raman active phonons in Iron-Pnictides; estimating the Fe isotope effect due to anharmonic expansion
Creators: name: Granath, M.
name: Bielecki, J.
name: Holmlund, J.
name: Borjesson, L.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We present Raman measurements on the iron-pnictide superconductors CeFeAsO_{1-x}F_{x} and NdFeAsO{1-x}F_{x}. Modeling the Fe-As plane in terms of harmonic and a cubic anharmonic Fe-As interaction we calculate the temperature dependence of the energy and lifetime of the Raman active Fe B_{1g} mode and fit to the observed energy shift. The shifts and lifetimes are in good agreement with those measured also in other Raman studies which demonstrate that the phonon spectrum is well represented by phonon-phonon interactions without any significant electronic contribution. We also estimate the anharmonic expansion from Fe (56->54) isotope substitution to Δa=5.1 10^{-4}Åand Δd_{Fe-As}= 2.510^{-4}Åand the shift of harmonic zero point fluctuations of bond lengths <=3 10^{-5}Å^2, giving a total relative average decrease of electronic hopping integrals of |δt|/t<= 2.0 10^{-4}. The results poses a serious challenge for any theory of superconductivity in the pnictides that does not include electron-phonon interactions to produce a sizable Fe-isotope effect.
description: 7 pages, 6 figures
Properties of the one-dimensional Hubbard model: cellular dynamical mean-field description
Creators: name: Go, Ara
name: Jeon, Gun Sang
Publisher: name: arXiv
Year: 2009
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The one-dimensional half-filled Hubbard model is considered at zero temperature within the cellular dynamical mean-field theory (CDMFT). By the computation of the spectral gap and the energy density with various cluster and bath sizes we examine the accuracy of the CDMFT in a systematic way, which proves the accurate description of the one-dimensional systems by the CDMFT with small clusters. We also calculate the spectral weights in a full range of the momentum for various interaction strengths. The results do not only account for the spin-charge separation, but they also reproduce all the features of the Bethe ansatz dispersions, implying that the CDMFT provides an excellent description of the spectral properties of low-dimensional interacting systems.
description: J. Phys.: Condens. Matter, in press
A primordial origin for the atmospheric methane of Saturn's moon Titan
Creators: name: Mousis, Olivier
name: Lunine, Jonathan I.
name: Pasek, Matthew
name: Cordier, Daniel
name: Waite, J. Hunter
name: Mandt, Kathleen E.
name: Lewis, William S.
name: Nguyen, Mai-Julie
Publisher: name: arXiv
Year: 2009
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The origin of Titan's atmospheric methane is a key issue for understanding the origin of the Saturnian satellite system. It has been proposed that serpentinization reactions in Titan's interior could lead to the formation of the observed methane. Meanwhile, alternative scenarios suggest that methane was incorporated in Titan's planetesimals before its formation. Here, we point out that serpentinization reactions in Titan's interior are not able to reproduce the deuterium over hydrogen (D/H) ratio observed at present in methane in its atmosphere, and would require a maximum D/H ratio in Titan's water ice 30% lower than the value likely acquired by the satellite during its formation, based on Cassini observations at Enceladus. Alternatively, production of methane in Titan's interior via radiolytic reactions with water can be envisaged but the associated production rates remain uncertain. On the other hand, a mechanism that easily explains the presence of large amounts of methane trapped in Titan in a way consistent with its measured atmospheric D/H ratio is its direct capture in the satellite's planetesimals at the time of their formation in the solar nebula. In this case, the mass of methane trapped in Titan's interior can be up to 1,300 times the current mass of atmospheric methane.
description: Accepted for publication in Icarus
Experiments on nuclear orientation at low temperatures
Creators: name: Lamarche, Gilles
Publisher: name: University of British Columbia
Year: 2012

description: At the low temperatures attainable by the technique of adiabatic demagnetization, It is possible to produce under certain favorable conditions an almost complete orientation in space of the nuclear spins. Observation of the gamma radiation emitted by such an assembly of oriented radioactive nuclei often shows an anisotropy in the intensity with respect to the direction of observation. From this anisotropy it la possible to deduce the multipole order of the electromagnetic radiation, the change in the angular momentum occuring in the transition that precedes it, and the value of the nuclear magnetic moment of the emitter. Using Bleaney's method for nuclear alignment, two isotopes were studied. Firstly, Yb¹⁷⁵ in cerium magnesium nitrate in the temperature range from 1.2° K. to 0.005° K. The same isotope was also investigated in Oxford in ytterbium ethyl sulphate and the object of our experiment was to find out if, given two salts suitable for nuclear alignment, the interactions in the crystal could affect the anisotropy. It was found to be the case. While the Oxford experiment revealed a sizeable anisotropy, none was observed in our own. The absence of anisotropy is attributed in our case partly to magnetic interaction between the paramagnetic ions and partly to a relatively long lifetime of the excited state of Lu¹⁷⁵ from which the γ-ray is emitted: a deorientation of the nucleus before emission ruins the effect. This is not the case in the ethyl sulphate. The second isotope Pr¹⁴² was also investigated by Bleaney's method from 4.2° K. to 0.005° K. The possible values of anisotropy to be expected were 0.33, 1.00, or -1.00. The experiment clearly showed that there was no anisotropy. It is almost certain that the details of the decay schemes so far proposed are incorrect. Either the spin of Pr¹⁴² is 0, not 2 as has been suggested or the decay chain which ends in the γ-ray observed includes a state of spin 0 before the emission of the γ-ray. An explanation which must be considered, however, is that the properties of the praseodymium ion in this crystal lattice are not fully understood. Finally, a series of experiments have been performed in an attempt to detect calorimetrically the nuclear quadrupole specific heat of I and Br in covalent compounds. This investigation was a contribution to the problem of nuclear alignment by Pound's method, and was part of a research program initiated by J. M. Daniels at Oxford. The observation of the effect was rendered impossible because the nuclear-ionic relaxation time for the establishment of an equilibrium in temperature of the nuclear spin system was larger than expected.
Natural versus forced convection in laminar starting plumes
Creators: name: Rogers, Michael C.
name: Morris, Stephen W.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: A starting plume or jet has a well-defined, evolving head that is driven through the surrounding quiescent fluid by a localized flux of either buoyancy or momentum, or both. We studied the scaling and morphology of starting plumes produced by a constant flux of buoyant fluid from a small, submerged outlet. The plumes were laminar and spanned a wide range of plume Richardson numbers Ri. Ri is the dimensionless ratio of the buoyancy forces to inertial effects, and is thus our measurements crossed over the transition between buoyancy-driven plumes and momentum-driven jets. We found that the ascent velocity of the plume, nondimensionalized by Ri, exhibits a power law relationship with Re, the Reynolds number of the injected fluid in the outlet pipe. We also found that as the threshold between buoyancy-driven and momentum-driven flow was crossed, two distinct types of plume head mophologies existed: confined heads, produced in the Ri > 1 regime, and dispersed heads, which are found in the Ri < 1 regime. Head dispersal is caused by a breakdown of overturning motion in the head, and a local Kelvin-Helmholtz instability on the exterior of the plume.
description: 8 pages, 8 figures, accepted for publication in Physics of Fluids (final version with corrections)
Vita aliena, sotto sale?
Creators: Davide Coero Borga
Publisher: name: Media Inaf
Year: 2014

Uno studio spagnolo mostra come le cellule di Escherichia coli entrino in uno stato di ibernazione all'interno di spettacolari modelli di sale essiccato, per poi 'risvegliarsi' a contatto con l'acqua; un risultato che se confermato può significare molto per l'astrobiologia: i batteri potrebbero essere utilizzati come bioindicatori nella ricerca di vita nell'ambiente estremo di Marte, o del satellite di Giove, Europa
Additional file 2 of Deciphering the potential pharmaceutical mechanism of Guzhi Zengsheng Zhitongwan on rat bone and kidney based on the “kidney governing bone” theory
Creators: name: Yao, Baojin
name: Liu, Jia
name: Zhang, Mei
name: Leng, Xiangyang
name: Zhao, Daqing
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 2: Table S2 Statistical analysis of differentially expressed genes in bone and kidney (GZZSZTW vs. Blank)
Aridi e secchi come non ti aspetti
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2014

Un gruppo di ricercatori ha utilizzato il telescopio spaziale Hubble per analizzare le atmosfere di tre gioviani caldi, esopianeti dalla massa simile a Giove ma che orbitano molto vicino alla loro stella madre. Il tasso vapore acqueo è molto più basso rispetto a quanto teorizzato nei modelli. Il commento di Isabella Pagano, dell'Osservatorio Astrofisico INAF di Catania
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description: ÐÐ¾ÑÐ¾Ð±Ð¸Ðµ ÑÐ¾Ð¾ÑÐ²ÐµÑÑÑÐ²ÑÐµÑ Ð³Ð¾ÑÑÐ´Ð°ÑÑÑÐ²ÐµÐ½Ð½Ð¾Ð¼Ñ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»ÑÐ½Ð¾Ð¼Ñ ÑÑÐ°Ð½Ð´Ð°ÑÑÑ Ð´Ð¸ÑÑÐ¸Ð¿Ð»Ð¸Ð½Ñ Â«ÐÐ°Ð½Ð´ÑÐ°ÑÑÐ½Ð°Ñ Ð°ÑÑÐ¸ÑÐµÐºÑÑÑÐ°Â» Ð½Ð°Ð¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ 270100 Â«Ð¡ÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ð¾Â», ÑÐ¿ÐµÑÐ¸Ð°Ð»Ð¸Ð·Ð°ÑÐ¸Ñ 270102 Â«Ð¡ÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ð¾ Ð¾Ð±ÑÐµÐºÑÐ¾Ð² ÑÑÑÐ¸Ð·Ð¼Ð° Ð¸ ÑÐ¿Ð¾ÑÑÐ°Â». . ÐÑÑÑ <<ÐÐ°Ð½Ð´ÑÐ°ÑÑÐ½Ð°Ñ Ð°ÑÑÐ¸ÑÐµÐºÑÑÑÐ°)) ÑÐ¾ÑÑÐ¾Ð¸Ñ Ð¸Ð· ÑÑÐµÑ ÑÐ°Ð·Ð´ÐµÐ»Ð¾Ð²: I ÑÐ°Ð·Ð´ÐµÐ» ((ÐÑÑÐ¾ÑÐ¸Ñ ÑÐ°Ð´Ð¾Ð²Ð¾-Ð¿Ð°ÑÐºÐ¾Ð²Ð¾Ð³Ð¾ Ð¸ÑÐºÑÑÑÑÐ²Ð° Ð¸ Ð»Ð°Ð½Ð´ÑÐ°ÑÑÐ½Ð¾Ð¹ Ð°ÑÑÐ¸ÑÐµÐºÑÑÑÑÂ», II ÑÐ°Ð·Ð´ÐµÐ» Â«ÐÐ°Ð½Ð´ÑÐ°ÑÑÐ½Ð¾Ðµ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸ÐµÂ», III ÑÐ°Ð·Ð´ÐµÐ» Â«ÐÐ»Ð°Ð³Ð¾ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð¾ Ð¸ Ð¾Ð·ÐµÐ»ÐµÐ½ÐµÐ½Ð¸ÐµÂ». III ÑÐ°Ð·Ð´ÐµÐ» Ð±ÑÐ´ÐµÑ Ð¸Ð·Ð´Ð°Ð½ Ð¾ÑÐ´ÐµÐ»ÑÐ½ÑÐ¼ Ð¿Ð¾ÑÐ¾Ð±Ð¸ÐµÐ¼. Ð Ð¿ÑÐµÐ´Ð»Ð°Ð³Ð°ÐµÐ¼Ð¾Ð¼ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ð¸ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ I Ð¸ II ÑÐ°Ð·Ð´ÐµÐ»Ñ. Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ ÑÐ¿ÐµÑÐ¸ÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ Ð»Ð°Ð½Ð´ÑÐ°ÑÑÐ½ÑÑ Ð¾Ð±ÑÐµÐºÑÐ¾Ð² ÑÐ°Ð·Ð½ÑÑ Ð¸ÑÑÐ¾ÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÐ¿Ð¾Ñ Ð¸ ÑÑÑÐ°Ð½, Ð¸Ñ Ð²Ð·Ð°Ð¸Ð¼Ð¾ÑÐ²ÑÐ·Ñ Ð¸ Ð²Ð·Ð°Ð¸Ð¼Ð¾Ð·Ð°Ð²Ð¸ÑÐ¸Ð¼Ð¾ÑÑÑ Ð´ÑÑÐ³ Ð¾Ñ Ð´ÑÑÐ³Ð°: Ð¸ÑÑÐ¾ÑÐ¸Ñ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ ÑÐµÐ³ÑÐ»ÑÑÐ½ÑÑ Ð¿ÑÐ¸ÐµÐ¼Ð¾Ð² Ð² ÑÑÑÐ°Ð½Ð°Ñ ÐÐ»Ð¸Ð¶Ð½ÐµÐ³Ð¾ Ð¸ Ð¡ÑÐµÐ´Ð½ÐµÐ³Ð¾ ÐÐ¾ÑÑÐ¾ÐºÐ°, ÐÐ²ÑÐ¾Ð¿Ðµ Ð¸ Ð Ð¾ÑÑÐ¸Ð¸; Ð¸ÑÑÐ¾ÑÐ¸Ñ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ Ð¿ÐµÐ¹Ð·Ð°Ð¶Ð½ÑÑ Ð¿ÑÐ¸ÐµÐ¼Ð¾Ð² Ð² ÐÐ¸ÑÐ°Ðµ, Ð¯Ð¿Ð¾Ð½Ð¸Ð¸, ÐÐ²ÑÐ¾Ð¿Ðµ Ð¸ Ð Ð¾ÑÑÐ¸Ð¸. ÐÐ°Ð½ Ð¾Ð±Ð·Ð¾Ñ Ð¸ÑÑÐ¾ÑÐ¸Ð¸ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ Ð»Ð°Ð½Ð´ÑÐ°ÑÑÐ½Ð¾Ð¹ Ð°ÑÑÐ¸ÑÐµÐºÑÑÑÑ Ð¸ ÐµÐµ ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÐ¾ÑÑÐ¾ÑÐ½Ð¸Ñ. ÐÑÐ¸Ð²ÐµÐ´ÐµÐ½Ñ Ð¿ÑÐ¸Ð¼ÐµÑÑ ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ ÐºÐ¾Ð¼Ð¿Ð¾Ð·Ð¸ÑÐ¸Ð¾Ð½Ð½ÑÑ Ð¿ÑÐ¸ÐµÐ¼Ð¾Ð² Ð¸ ÑÑÐ¸Ð»ÐµÐ¹, Ð²Ð°ÑÐ¸Ð°Ð½ÑÐ¾Ð² Ð»Ð°Ð½Ð´ÑÐ°ÑÑÐ½ÑÑ ÑÐµÑÐµÐ½Ð¸Ð¹. ÐÑÐµÐ´Ð½Ð°Ð·Ð½Ð°ÑÐµÐ½Ð¾ Ð´Ð»Ñ ÑÑÑÐ´ÐµÐ½ÑÐ¾Ð² Ð¸Ð½Ð¶ÐµÐ½ÐµÑÐ½Ð¾-ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ ÑÐ°ÐºÑÐ»ÑÑÐµÑÐ°, Ð¸Ð·ÑÑÐ°ÑÑÐ¸Ñ ÐºÑÑÑ Â«ÐÐ°Ð½Ð´ÑÐ°ÑÑÐ½Ð°Ñ Ð°ÑÑÐ¸ÑÐµÐºÑÑÑÐ°Â», Ð° ÑÐ°ÐºÐ¶Ðµ Ð´Ð»Ñ ÐºÑÑÑÐ¾Ð²Ð¾Ð³Ð¾ Ð¸ Ð´Ð¸Ð¿Ð»Ð¾Ð¼Ð½Ð¾Ð³Ð¾ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ. ÐÐ¾Ð¶ÐµÑ Ð±ÑÑÑ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¾ Ð¿ÑÐ¸ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸, ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ðµ Ð¸ ÑÐºÑÐ¿Ð»ÑÐ°ÑÐ°ÑÐ¸Ð¸ Ð»Ð°Ð½Ð´ÑÐ°ÑÑÐ½ÑÑ Ð¾Ð±ÑÐµÐºÑÐ¾Ð² Ð¸Ð»Ð¸ Ð¿ÑÐ¸ Ð»Ð°Ð½Ð´ÑÐ°ÑÑÐ½Ð¾Ð¼ Ð¾ÑÐ¾ÑÐ¼Ð»ÐµÐ½Ð¸Ð¸ Ð»ÑÐ±Ð¾Ð³Ð¾ ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ Ð¾Ð±ÑÐµÐºÑÐ°.
description: ÐÐµÑÐ°ÑÐ°ÐµÑÑÑ Ð¿Ð¾ ÑÐµÑÐµÐ½Ð¸Ñ ÑÐµÐ´Ð°ÐºÑÐ¸Ð¾Ð½Ð½Ð¾-Ð¸Ð·Ð´Ð°ÑÐµÐ»ÑÑÐºÐ¾Ð³Ð¾ ÑÐ¾Ð²ÐµÑÐ° Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¾Ð³Ð¾ Ð³Ð¾ÑÑÐ´Ð°ÑÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑÐ°.
Uno ‘scrub’ spaziale per Mercurio
Creators: Marco Galliani
Publisher: name: Media Inaf
Year: 2014

Non sono stati solo gli impatti dei meteoriti a modellare l'aspetto esteriore di Mercurio, ma anche l'attività del Sole. I suoi effetti su tempi di miliardi di anni possono essere soprendentemente rilevanti, come mettono in evidenza i risultati di uno studio realizzato da ricercatori dell'Istituto di Astrofisica e Planetologia Spaziali dell'INAF
Come ti mappo (bene) la massa dell’ammasso
Creators: Redazione Media Inaf
Publisher: name: Media Inaf
Year: 2014

Grazie al telescopio spaziale Hubble e al fenomeno cosmico noto come lente gravitazionale forte, un team di astronomi, nell'ambito del programma osservativo di Hubble Frontier Fields, ha ottenuto la mappa della distribuzione di massa all'interno di MCS J0416.1-2403, un massiccio ammasso di galassie ben 160,000 miliardi di volte la massa del sole
Rosetta: sempre più vicina!
Creators: Elisa Nichelli
Publisher: name: Media Inaf
Year: 2014

Rosetta sta continuando il suo viaggio verso la cometa, e il 6 agosto, dopo oltre dieci anni di viaggio nel Sistema Solare, raggiungerà il nucleo di 67P, diventando la prima sonda spaziale ad incontrare e scortare una cometa nel suo percorso verso il Sole
Nasa, il futuro è a ultravioletti
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2014

Presentato il progetto per il successore del James Webb Space Telescope. Nei piani per il futuro degli scienziati del Goddard Space Flight Center c’è un supertelescopio spaziale, con uno specchio da 10 metri di diametro, in grado d’osservare dal vicino infrarosso fino ai raggi UV
title: ÐÐµÐºÐ»Ð°ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ¾Ð²Ð°ÑÐ¾Ð² Ð¸ ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ½ÑÑ ÑÑÐµÐ´ÑÑÐ²
title: ÑÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ
titleType: Subtitle
Creators: name: Ð¡Ð°Ð»ÑÐ½Ð¸ÐºÐ¾Ð², ÐÐ¾Ð½ÑÑÐ°Ð½ÑÐ¸Ð½
Publisher: name: ÐÐ·Ð´-Ð²Ð¾ ÐÐ¾Ð»Ð¸ÑÐµÑÐ½. ÑÐ½-ÑÐ°
Year: 2015
Subjects: Ð¢ÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ½ÑÐµ ÑÑÐµÐ´ÑÑÐ²Ð°
ÑÐ¾Ð²Ð°ÑÑ
Ð´ÐµÐºÐ»Ð°ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½Ð¾Ðµ Ð°Ð´Ð¼Ð¸Ð½Ð¸ÑÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ

description: ÐÐ½Ð¸Ð³Ð° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð²Ð¾Ð¿ÑÐ¾ÑÑ Ð·Ð°Ð¿Ð¾Ð»Ð½ÐµÐ½Ð¸Ñ Ð¾ÑÐ½Ð¾Ð²Ð½Ð¾Ð³Ð¾ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ° ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð°Ð´Ð¼Ð¸Ð½Ð¸ÑÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ â Ð´ÐµÐºÐ»Ð°ÑÐ°ÑÐ¸Ð¸ Ð½Ð° ÑÐ¾Ð²Ð°ÑÑ (ÐÐ¢). ÐÐ½Ð° ÑÐ°ÑÑÑÐ¸ÑÐ°Ð½Ð° Ð½Ð° ÑÐ¸ÑÐ°ÑÐµÐ»Ñ, ÑÐ¶Ðµ Ð¸Ð¼ÐµÑÑÐµÐ³Ð¾ Ð¾Ð±ÑÐµÐµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ Ð¾ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½ÑÑ Ð¾ÑÐ³Ð°Ð½Ð¾Ð², ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½Ð¾Ð¼ ÐºÐ¾Ð½ÑÑÐ¾Ð»Ðµ Ð¸ ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½ÑÑ Ð¿ÑÐ¾ÑÐµÐ´ÑÑÐ°Ñ, Ð½Ð¾ ÐµÑÐµ Ð½Ðµ Ð·Ð½Ð°ÐºÐ¾Ð¼Ð¾Ð³Ð¾ Ð¸Ð»Ð¸ Ð¸Ð¼ÐµÑÑÐµÐ³Ð¾ Ð½ÐµÐ±Ð¾Ð»ÑÑÐ¸Ðµ Ð·Ð½Ð°Ð½Ð¸Ñ Ð² Ð¾Ð±Ð»Ð°ÑÑÐ¸ Ð·Ð°Ð¿Ð¾Ð»Ð½ÐµÐ½Ð¸Ñ ÐÐ¢ â Ð½Ð°Ð¸Ð±Ð¾Ð»ÐµÐµ ÑÐ»Ð¾Ð¶Ð½Ð¾Ð³Ð¾ Ð¸Ð· ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½ÑÑ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ¾Ð². ÐÐ½Ð¸Ð³Ð° ÑÐµÐºÐ¾Ð¼ÐµÐ½Ð´ÑÐµÑÑÑ ÑÑÑÐ´ÐµÐ½ÑÐ°Ð¼ ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¸ Ð²Ð½ÐµÑÐ½ÐµÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð½Ð°Ð¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ð¹, Ð° ÑÐ°ÐºÐ¶Ðµ Ð²ÑÐµÐ¼ Ð»Ð¸ÑÐ°Ð¼, Ð¶ÐµÐ»Ð°ÑÑÐ¸Ð¼ Ð¾ÑÐ²Ð¾Ð¸ÑÑ Ð²Ð¾Ð¿ÑÐ¾ÑÑ ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð°Ð´Ð¼Ð¸Ð½Ð¸ÑÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ.
description: ÐÐµÑÐ°ÑÐ°ÐµÑÑÑ Ð¿Ð¾ ÑÐµÑÐµÐ½Ð¸Ñ Ð¡Ð¾Ð²ÐµÑÐ° Ð¿Ð¾ Ð¸Ð·Ð´Ð°ÑÐµÐ»ÑÑÐºÐ¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð£ÑÐµÐ½Ð¾Ð³Ð¾ ÑÐ¾Ð²ÐµÑÐ° Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¾Ð³Ð¾ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑÐ° ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾.
L’atmosfera di Titano in un PC
Creators: Marco Galliani
Publisher: name: Media Inaf
Year: 2014

83 differenti tipi di molecole neutre e 33 ioni, che interagiscono e si combinano tra loro in 420 diverse reazioni chimiche. Questi gli 'ingredienti' che compongono il modello teorico dell'atmosfera di Titano proposto da Vladimir Krasnopolsky, dell’Istituto di Fisica e Tecnologia di Mosca.
The LABOCA survey of the Extended Chandra Deep Field South: Two modes of star formation in AGN hosts?
Creators: name: Lutz, D.
name: Mainieri, V.
name: Rafferty, D.
name: Shao, L.
name: Hasinger, G.
name: Weiss, A.
name: Walter, F.
name: Smail, I.
name: Alexander, D. M.
name: Brandt, W. N.
name: Chapman, S.
name: Coppin, K.
name: Schreiber, N. M. Forster
name: Gawiser, E.
name: Genzel, R.
name: Greve, T. R.
name: Ivison, R. J.
name: Koekemoer, A. M.
name: Kurczynski, P.
name: Menten, K. M.
name: Nordon, R.
name: Popesso, P.
name: Schinnerer, E.
name: Silverman, J. D.
name: Wardlow, J.
name: Xue, Y. Q.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We study the co-existence of star formation and AGN activity in X-ray selected AGN by analyzing stacked 870um submm emission from a deep and wide map of the Extended Chandra Deep Field South, obtained with LABOCA at the APEX telescope. The total X-ray sample of 895 sources with median redshift z~1 is detected at a mean submm flux of 0.49+-0.04mJy, corresponding to a typical star formation rate around 30Msun/yr for a T=35K, beta=1.5 greybody far-infrared SED. The good S/N permits stacking analyses for subgroups. We observe a trend of star formation rate increasing with redshift. An increase of star formation rate with AGN luminosity is indicated at the highest L_2-10>~1E44erg/s luminosities only. Increasing trends with X-ray obscuration as expected in some AGN evolutionary scenarios are not observed for the bulk of the X-ray AGN sample but may be present for the highest intrinsic luminosity objects. This suggests a transition between two modes in the coexistence of AGN activity and star formation. For the bulk of the sample, the X-ray luminosity and obscuration of the AGN are not intimately linked to the global star formation rate of their hosts. The hosts are likely massive and forming stars secularly, at rates similar to the pervasive star formation seen in massive galaxies without an AGN at similar redshifts. The change indicated towards more intense star formation, and a more pronounced increase in star formation rates between unobscured and obscured AGN at highest luminosities suggests that luminous AGN follow an evolutionary path on which obscured AGN activity and intense star formation are linked, possibly via merging. Comparison to local hard X-ray selected AGN supports this interpretation. [Abridged]
description: 39 manuscript pages, 6 figures, accepted for publication in ApJ (no changes to text wrt v1)
A caccia di inquinamento per trovare gli alieni
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2014

Un nuovo approccio nella ricerca di intelligenza extraterrestre (SETI) lo offrirà il James Webb Space Telescope, con il quale i ricercatori di Harvard cercheranno di rilevare molecole di clorofluorocarburi nelle atmosfere di pianeti exstrasolari orbitanti attorno alle nane bianche. Uno dei ricercatori, Avi Loeb, spiega a Media INAF come procederanno
Exchange coupling between two ferromagnetic electrodes separated by a graphene nanoribbon
Creators: name: Saffarzadeh, Alireza
Publisher: name: arXiv
Year: 2008
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In this study, based on the self-energy method and the total energy calculation, the indirect exchange coupling between two semi-infinite ferromagnetic strips (FM electrodes) separated by metallic graphene nanoribbons (GNRs) is investigated. In order to form a FM/GNR/FM junction, a graphitic region of finite length is coupled to the FM electrodes along graphitic zigzag or armchair interfaces of width $N$. The numerical results show that, the exchange coupling strength which can be obtained from the difference between the total energies of electrons in the ferromagnetic and antiferromagnetic couplings, has an oscillatory behavior, and depends on the Fermi energy and the length of the central region.
description: 4 pages, 6 figures, International Conference on Theoretical Physics 'Dubna-Nano2008'
title: ÐÑÐµÐ½Ð´Ð±ÑÐº ÐºÐ°Ðº Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½Ñ Ð¼Ð°ÑÐºÐµÑÐ¸Ð½Ð³Ð¾Ð²Ð¾-ÐºÐ¾Ð¼Ð¼ÑÐ½Ð¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÑÑÐ°ÑÐµÐ³Ð¸Ð¸ (Ð½Ð° Ð¿ÑÐ¸Ð¼ÐµÑÐµ ÐÐÐ Â«ÐÐºÑÐ¸Ð¾Ð¼Ð°Â»)
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ²Ð¾ÑÑÐ´ÐºÐ¸Ð½Ð°, ÐÐ½Ð°ÑÑÐ°ÑÐ¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2017
Subjects: Ð±ÑÐµÐ½Ð´Ð±ÑÐº
Ð¼Ð°ÑÐºÐµÑÐ¸Ð½Ð³Ð¾Ð²Ð¾-ÐºÐ¾Ð¼Ð¼ÑÐ½Ð¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÑÑÐ°ÑÐµÐ³Ð¸Ñ
Ð¿Ð¾ÑÑÐµÐ±Ð¸ÑÐµÐ»ÑÑÐºÐ¸Ðµ Ð¿ÑÐµÐ´Ð¿Ð¾ÑÑÐµÐ½Ð¸Ñ

description: Ð Ð´Ð¸Ð¿Ð»Ð¾Ð¼Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð½Ð° ÑÐµÐ¼Ñ Â«ÐÑÐµÐ½Ð´Ð±ÑÐº ÐºÐ°Ðº Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½Ñ Ð¼Ð°ÑÐºÐµÑÐ¸Ð½Ð³Ð¾Ð²Ð¾-ÐºÐ¾Ð¼Ð¼ÑÐ½Ð¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÑÑÐ°ÑÐµÐ³Ð¸Ð¸ (Ð½Ð° Ð¿ÑÐ¸Ð¼ÐµÑÐµ ÐÐÐ Â«ÐÐºÑÐ¸Ð¾Ð¼Ð°Â»)Â» Ð¿ÑÐ¾Ð²Ð¾Ð´Ð¸ÑÑÑ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¿Ð¾ÑÑÐµÐ±Ð¸ÑÐµÐ»ÑÑÐºÐ¸Ñ Ð¿ÑÐµÐ´Ð¿Ð¾ÑÑÐµÐ½Ð¸Ð¹ Ð² ÑÑÐµÑÐµ Ð°Ð»ÐºÐ¾Ð³Ð¾Ð»Ñ Ð¸ Ð²ÑÑÐ²Ð»ÐµÐ½Ð¸Ñ Ð°ÑÑÐ¾ÑÐ¸Ð°ÑÐ¸Ð²Ð½Ð¾Ð³Ð¾ ÑÑÐ´Ð° Ð´Ð»Ñ Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ñ Ð¼Ð°ÑÐºÐµÑÐ¸Ð½Ð³Ð¾Ð²Ð¾-ÐºÐ¾Ð¼Ð¼ÑÐ½Ð¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÑÑÐ°ÑÐµÐ³Ð¸Ð¸ Ð¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð±ÑÐµÐ½Ð´Ð±ÑÐºÐ°. Ð Ð°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÑÑÑÑ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ñ Ð¸ ÑÑÑÐ´Ð½Ð¾ÑÑÐ¸, Ñ ÐºÐ¾ÑÐ¾ÑÑÐ¼Ð¸ Ð¼Ð¾Ð¶ÐµÑ ÑÑÐ¾Ð»ÐºÐ½ÑÑÑÑÑ Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ñ, Ð²ÑÑÐ¾Ð´Ñ Ð½Ð° ÑÑÐ½Ð¾Ðº. Ð Ð·Ð°ÐºÐ»ÑÑÐµÐ½Ð¸Ð¸ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ Ð²ÑÐ²Ð¾Ð´Ñ Ð¿Ð¾ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð½Ð¾Ð¼Ñ Ð°Ð²ÑÐ¾ÑÐ¾Ð¼ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ, Ð´Ð°Ð½Ñ ÑÐµÐºÐ¾Ð¼ÐµÐ½Ð´Ð°ÑÐ¸Ð¸ ÐÐÐ Â«ÐÐºÑÐ¸Ð¾Ð¼Ð°Â» Ð¿Ð¾ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ Ð±ÑÐµÐ½Ð´Ð±ÑÐºÐ° Ð´Ð»Ñ ÑÐ¾Ð²ÐµÑÑÐµÐ½ÑÑÐ²Ð¾Ð²Ð°Ð½Ð¸Ñ Ð¼Ð°ÑÐºÐµÑÐ¸Ð½Ð³Ð¾Ð²Ð¾-ÐºÐ¾Ð¼Ð¼ÑÐ½Ð¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÑÑÐ°ÑÐµÐ³Ð¸Ð¸.
Collapsing granular suspensions
Creators: name: Kadau, D.
name: Andrade, J. S.
name: Herrmann, H. J.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: A 2D contact dynamics model is proposed as a microscopic description of a collapsing suspension/soil to capture the essential physical processes underlying the dynamics of generation and collapse of the system. Our physical model is compared with real data obtained from in situ measurements performed with a natural collapsing/suspension soil. We show that the shear strength behavior of our collapsing suspension/soil model is very similar to the behavior of this collapsing suspension soil, for both the unperturbed and the perturbed phases of the material.
description: 7 pages, 5 figures, accepted for publication in EPJE
Magnetic inversion as a mechanism for the spectral transition of black hole binaries
Creators: name: Igumenshchev, Igor V.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: A mechanism for the transition between low/hard, high/soft, and steep power law (SPL) spectral states in black hole X-ray binaries is proposed. The low/hard state is explained by the development of a magnetically arrested accretion disk attributable to the accumulation of a vertical magnetic field in a central bundle. This disk forms powerful jets and consists of thin spiral accretion streams of a dense optically thick plasma surrounded by hot, magnetized, optically thin corona, which emits most of the energy in hard X-rays. State transition occurs because of the quasi-periodic or random inversion of poloidal magnetic fields in the accretion flow supplied by the secondary star. The inward advection of the inverted field results in a temporal disappearance of the central bundle caused by the annihilation of the opposed fields and restoration of the optically thick disk in the innermost region. This disk represents the high/soft state. The SPL state develops at the period of intensive field annihilation and precedes the high/soft state. The continuous supply of the inverted field leads to a new low/hard state because of the formation of another magnetically arrested disk.
description: 5 plot files are attached separately. Accepted by the ApJL
Il cuore a rischio degli astronauti
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2014

La NASA è sempre più attenta alla salute dei viaggiatori dello spazio e da anni ha messo in atto studi e ricerche per capire cosa deve subire il loro organismo durante la missione e una volta tornati sulla Terra. L'apparato cardiocircolatorio è quello più sollecitato in condizioni proibitive come quelle che si incontrano in orbita
La stella più vecchia? È nata così
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2014

La chiamano “stella di Keller”, dal nome dell’astronomo che l’ha scoperta, ed è la più antica stella conosciuta nella Via Lattea: 13.6 miliardi di anni. Una simulazione ne ricostruisce ora le origini, immediatamente successive a quella che fu la prima generazione di stelle
The X-ray Power Spectral Density Function and Black Hole Mass Estimate for the Seyfert AGN IC 4329a
Creators: name: Markowitz, A.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the X-ray broadband power spectral density function (PSD) of the X-ray-luminous Seyfert IC 4329a, constructed from light curves obtained via Rossi X-ray Timing Explorer monitoring and an XMM-Newton observation. Modeling the 3-10 keV PSD using a broken power-law PSD shape, a break in power-law slope is significantly detected at a temporal frequency of 2.5(+2.5,-1.7) * 10^-6 Hz, which corresponds to a PSD break time scale T_b of 4.6(+10.1,-2.3) days. Using the relation between T_b, black hole mass M_BH, and bolometric luminosity as quantified by McHardy and coworkers, we infer a black hole mass estimate of M_BH = 1.3(+1.0,-0.3) * 10^8 solar masses and an accretion rate relative to Eddington of 0.21(+0.06,-0.10) for this source. Our estimate of M_BH is consistent with other estimates, including that derived by the relation between M_BH and stellar velocity dispersion. We also present PSDs for the 10-20 and 20-40 keV bands; they lack sufficient temporal frequency coverage to reveal a significant break, but are consistent with the same PSD shape and break frequency as in the 3-10 keV band.
description: Accepted for publication in ApJ. 11 pages, 6 figures (5 color)
Come ti studio le stelle
Creators: Ufficio stampa Inaf
Publisher: name: Media Inaf
Year: 2014

Gli ammassi stellari come NGC 3293 contengono stelle che si sono formate più o meno nello stesso periodo, alla stessa distanza dalla Terra e dalla stessa nube di gas e polvere e perciò con la stessa composizione chimica, oggetti ideali per mettere alla prova le teorie sull'evoluzione stellare
title: Ð­ÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½Ð¾Ðµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð²Ð»Ð¸ÑÐ½Ð¸Ñ ÑÐ²Ð¾Ð¹ÑÑÐ² Ð¿ÑÐ¸ÑÐ°Ð´Ð¾Ðº Ðº Ð°Ð²ÑÐ¾Ð¼Ð¾Ð±Ð¸Ð»ÑÐ½Ð¾Ð¼Ñ ÑÐ¾Ð¿Ð»Ð¸Ð²Ñ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð° ÐÐ°ÐºÐ°Ð·ÑÐ¸ÐºÐ° Ð½Ð° Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»Ð¸ Ð¼Ð¾ÑÐ½Ð¾ÑÑÐ¸, ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐ½Ð¾ÑÑÐ¸ Ð¸ ÑÐ¾ÐºÑÐ¸ÑÐ½Ð¾ÑÑÐ¸ Ð¾ÑÑÐ°Ð±Ð¾ÑÐ°Ð²ÑÐ¸Ñ Ð³Ð°Ð·Ð¾Ð² Ð°Ð²ÑÐ¾Ð¼Ð¾Ð±Ð¸Ð»ÑÐ½ÑÑ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»ÐµÐ¹ Ð½Ð° Ð±Ð°Ð·Ðµ Ð¼Ð¾ÑÐ¾ÑÐ½ÑÑ ÑÑÐµÐ½Ð´Ð¾Ð²ÑÑ Ð¸ÑÐ¿ÑÑÐ°Ð½Ð¸Ð¹. Ð ÐµÐ·ÑÐ»ÑÑÐ°ÑÑ Ð¼Ð¾ÑÐ¾ÑÐ½Ð¾-ÑÑÐµÐ½Ð´Ð¾Ð²ÑÑ Ð¸ÑÐ¿ÑÑÐ°Ð½Ð¸Ð¹ Ð½Ð° Ð±ÐµÐ½Ð·Ð¸Ð½Ð¾Ð²Ð¾Ð¼ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ðµ
title: Ð¾ÑÑÐµÑ Ð¾ ÐÐÐ
titleType: Subtitle
title: Experimental study of the influence of the properties of additives to automotive fuel produced by the Customer on the performance, efficiency and toxicity of exhaust gases of automobile engines based on motor bench tests
Creators: name: Ð¨Ð°Ð±Ð°Ð½Ð¾Ð², ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: Ð±ÐµÐ½Ð·Ð¸Ð½Ð¾Ð²ÑÐ¹ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ
Ð±ÐµÐ½Ð·Ð¸Ð½
Ð¼Ð½Ð¾Ð³Ð¾ÑÑÐ½ÐºÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð°Ñ Ð¿ÑÐ¸ÑÐ°Ð´ÐºÐ°
gasoline engine
gasoline
multifunctional additive
ÐÐ¾Ð³Ð¾Ð²Ð¾Ñ ÐÐÐ¢Ð 143248204

description: Ð Ð¾ÑÑÐµÑÐµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÑ Ð¼Ð¾ÑÐ¾ÑÐ½ÑÑ ÑÑÐµÐ½Ð´Ð¾Ð²ÑÑ Ð¸ÑÐ¿ÑÑÐ°Ð½Ð¸Ð¹ Ð¾Ð±ÑÐ°Ð·ÑÐ¾Ð² ÐºÐ¾Ð¼Ð¿Ð¾Ð·Ð¸ÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð°Ð²ÑÐ¾Ð¼Ð¾Ð±Ð¸Ð»ÑÐ½Ð¾Ð³Ð¾ Ð±ÐµÐ½Ð·Ð¸Ð½Ð° ÐÐ-95-Ð5 Ñ Ð´Ð¾Ð±Ð°Ð²Ð»ÐµÐ½Ð¸ÐµÐ¼ Ð¼Ð½Ð¾Ð³Ð¾ÑÑÐ½ÐºÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð¾Ð¹ Ð¿ÑÐ¸ÑÐ°Ð´ÐºÐ¸ BRAVOS PRIME G, Ð² ÑÐ¾Ð¿Ð¾ÑÑÐ°Ð²Ð»ÐµÐ½Ð¸Ð¸ Ñ Ð±Ð°-Ð·Ð¾Ð²ÑÐ¼ ÑÐ¾Ð¿Ð»Ð¸Ð²Ð¾Ð¼. ÐÑÐ¿ÑÑÐ°Ð½Ð¸Ñ Ð¿ÑÐ¾Ð²Ð¾Ð´Ð¸Ð»Ð¸ÑÑ Ð´Ð»Ñ Ð²ÑÑÐ²Ð»ÐµÐ½Ð¸Ñ Ð¾Ð±ÑÐµÐºÑÐ¸Ð²Ð½Ð¾Ð¹ ÐºÐ°Ñ-ÑÐ¸Ð½Ñ Ð²Ð»Ð¸ÑÐ½Ð¸Ñ Ð²ÑÑÐµÑÐºÐ°Ð·Ð°Ð½Ð½Ð¾Ð¹ Ð¿ÑÐ¸ÑÐ°Ð´ÐºÐ¸ Ð½Ð° ÑÐµÑÐ½Ð¸ÐºÐ¾-ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¸ ÑÐºÐ¾Ð»Ð¾-Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»Ð¸ Ð°Ð²ÑÐ¾Ð¼Ð¾Ð±Ð¸Ð»ÑÐ½Ð¾Ð³Ð¾ Ð±ÐµÐ½Ð·Ð¸Ð½Ð¾Ð²Ð¾Ð³Ð¾ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ, Ð° ÑÐ°ÐºÐ¶Ðµ Ð½Ð° Ð¸Ð·-Ð¼ÐµÐ½ÐµÐ½Ð¸Ðµ ÑÑÐ¾Ð²Ð½Ñ Ð·Ð°Ð³ÑÑÐ·Ð½ÐµÐ½Ð¸Ð¹ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ ÐºÐ°Ð¼ÐµÑÑ ÑÐ³Ð¾ÑÐ°Ð½Ð¸Ñ, ÑÐ¸ÑÑÐµÐ¼ Ð²Ð¿ÑÑÑÐºÐ° ÑÐ¾-Ð¿Ð»Ð¸Ð²Ð° Ð¸ Ð²Ð¿ÑÑÐºÐ°-Ð²ÑÐ¿ÑÑÐºÐ° Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ.
description: The report presents the results of motor bench tests of samples of composite automobile gasoline AI-95-K5 with the addition of a multifunctional additive BRAVOS PRIME G, in comparison with base fuel. The tests were carried out to identify an objective picture of the effect of the above additive on the technical, economic and environmental performance of the gasoline engine, as well as on the change in the level of contamination of the combustion chamber engine, fuel injection systems and engine intake and exhaust.
An XML-based Multi-Agent System for Supporting Online Recruitment Services
Creators: name: De Meo, P.
name: Quattrone, G.
name: Terracina, G.
name: Ursino, D.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Multiagent Systems (cs.MA)
subject: FOS: Computer and information sciences

description: In this paper we propose an XML-based multi-agent recommender system for supporting online recruitment services. Our system is characterized by the following features: {\em (i)} it handles user profiles for personalizing the job search over the Internet; {\em (ii)} it is based on the Intelligent Agent Technology; {\em (iii)} it uses XML for guaranteeing a light, versatile and standard mechanism for information representation, storing and exchange. The paper discusses the basic features of the proposed system, presents the results of an experimental study we have carried out for evaluating its performance, and makes a comparison between the proposed system and other e-recruitment systems already presented in the past.
description: 16 pages, 5 figures