Mostrando 2,121 - 2,140 Resultados de 2,140 Para Buscar '"The Black Hole"', tiempo de consulta: 0.32s Limitar resultados
  1. 2121
    “…Many stellar configurations, including white dwarfs, neutron stars, black holes, supermassive stars, and star clusters, rely on relativistic effects. …”
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  2. 2122
    “…CONCLUSIONS: Humoral response to anti-EBV-VCA and -EBNA-1 is associated with more advanced cortical atrophy, accumulation of chronic T1 black holes, and focal white matter lesions in patients with MS.…”
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  3. 2123
  4. 2124
    por Bignami, Giovanni Fabrizio
    Publicado 2006
    “…It goes from the original big-bang imprint, the microwave background, to the IR bump, signalling the formation of the first stars, to the X-ray peak, tracing the formation of black holes, to the gamma-ray continuum of non-thermal, particle accelerator processes. …”
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  5. 2125
    por Noll, Dennis
    Publicado 2017
    “…As well as other discoveries like large extra dimensions and quantum black holes DM has a signature which shows a large imbalance in transverse energy. …”
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  6. 2126
    “…MATERIALS AND METHODS: Seventeen MS-patients and 14 age-matched HCs received a 3T Magnetic Resonance Imaging (MRI) examination including MWI (8 slices, 12 minutes acquisition time), T2w and T1mprage pre and post gadolinium (GD) administration. Black holes (BH), contrast enhancing lesions (CEL) and T2 lesions were marked and registered to MWI. …”
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  7. 2127
    por Thornburg, Jonathan
    Publicado 2007
    “…Event and apparent horizons are key diagnostics for the presence and properties of black holes. In this article I review numerical algorithms and codes for finding event and apparent horizons in numerically-computed spacetimes, focusing on calculations done using the 3 + 1 ADM formalism. …”
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  8. 2128
    “…Thermodynamics is a theory of principles that permits a basic description of the macroscopic properties of a rich variety of complex systems from traditional ones, such as crystalline solids, gases, liquids, and thermal machines, to more intricate systems such as living organisms and black holes to name a few. Physical quantities of interest, or equilibrium state variables, are linked together in equations of state to give information on the studied system, including phase transitions, as energy in the forms of work and heat, and/or matter are exchanged with its environment, thus generating entropy. …”
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  9. 2129
  10. 2130
    “…Initial brain magnetic resonance images were positive in all patients, with detected atypical lesions in 29.03%, enhanced lesions in 35.48%, black holes in 13.98%, and infratentorial in 34.41%. …”
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  11. 2131
    “…Systems research is highly developed in South Africa but relatively uncommon elsewhere in the region. “Black holes” are identified by searching for terms in our keyword library related to terms in widely cited reviews of health systems. …”
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  12. 2132
    “…Enrolment-related early study termination precluded assessment of the primary endpoint (evolution of new on-treatment gadolinium-enhancing (Gd+) lesions to persistent black holes). Unplanned exploratory analyses of secondary endpoints evaluated the effects of treatment on the development of new T1 Gd+ lesions and new/newly enlarging T2 lesions, lesion volumes and relapse outcomes. …”
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  13. 2133
    “…Inter-rater concordance was both moderate regarding artifacts (κ = 0.418) and overall image quality (κ = 0.504). Thirty-one black holes were found in 25 patients with high diagnostic confidence (reader 1: 4.04 ± 0.81; reader 2: 3.80 ± 0.92) and substantial inter-rater concordance (κ = 0.700). …”
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  14. 2134
    por CERN. Geneva
    Publicado 2023
    “…--HTML--><h3>Between two infinities: our place in the Universe<img class="image_resized image image-style-side" style="width:43.77%;" src="https://indico.cern.ch/event/1282460/images/42050-20230601-Bertone-Poster.png"></h3><p><strong>A conference by Gianfranco Bertone - Professor of Theoretical Astroparticle Physics at the Center of Excellence in Gravitation and Astroparticle Physics, University of Amsterdam&nbsp;</strong></p><p>The spectacular advances of modern astronomy have opened our horizon to an unexpected cosmos: a dark, mysterious universe, populated by enigmatic entities we know very little about, such as black holes, dark matter, and dark energy.&nbsp;</p><p>In this public conference, Gianfranco Bertone - Professor of Theoretical Astroparticle Physics at the Center of Excellence in Gravitation and Astroparticle Physics, University of Amsterdam (GRAPPA) - will discuss how the new science based on gravitational waves, may hold the keys to unlocking these mysteries. …”
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  15. 2135
    “…Comparison of the volume of T2-weighted lesions and the number of black holes on T1-weighted images did not reveal any significant changes (during pre-treatment versus post-treatment month 6) or any correlations with saliva sHLA-II levels. …”
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  16. 2136
    por Schneider, Peter
    Publicado 2015
    “…Further, a new chapter focusing on galaxy evolution illustrates how well the observations of distant galaxies and their central supermassive black holes can be understood in a general framework of theoretical ideas, models, and numerical simulations. …”
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  17. 2137
    por Quintieri, L
    Publicado 2002
    “….\\ \\GW signals due to astrophysical sources such as gravitational collapses or merger of neutron stars and/or black holes are predicted to exist in this frequency range. …”
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  18. 2138
    “…FR) were also non-significant for secondary end points: mean cumulative number of T2-weighted new and enlarging lesions (3.48 ± 5.34 vs. 3.86 ± 6.76); mean number and volume (cm(3)) of black holes (1.24 ± 1.61 vs. 2.71 ± 4.56; 489.11 ± 1488.12 vs. 204.48 ± 396.98); number of patients with at least an active scan (21 vs. 22); mean relapse rate (0.52 ± 0.89 vs. 0.34 ± 0.66), relapse risk ratio adjusted for baseline variables (2.15 [0.64–7.18]), EDSS score (1.0 [1–1.56] vs. 1.5 [1–1.78]), proportion of patients with antibodies anti-IFN (5 [21%] vs. 8 [36%]). …”
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  19. 2139
    por Jain, Pankaj
    Publicado 2015
    “…IntroductionOverviewScales and DimensionsNight SkyConstellationsEarth, Sun, and the Solar SystemRetrograde Motion of PlanetsSidereal TimeAstronomical Catalogs and SoftwareObservationsElectromagnetic WavesElectromagnetic SpectrumTelescopesRefractor TelescopeReflecting TelescopeObservations at Visible FrequenciesTheoretical Limit on ResolutionSeeingMounting of TelescopeEquatorial MountAzimuthal MountInterferometerObservations at Other WavelengthsAstrometryCoordinate SystemsThe Horizontal SystemEquatorial Coordinate SystemEcliptic SystemGalactic Coordinate SystemSupergalactic Coordinate SystemSpace Velocity and Proper Motion of StarsDoppler EffectParallaxAberrationCoordinate TransformationsTransformation between Equatorial and Ecliptic Coordinate SystemsPrecession of EquinoxesEquatorial Mounting of a TelescopePhotometryIntroductionFlux Density and IntensityBlackbody RadiationEnergy Density in an Isotropic Radiation FieldMagnitude ScaleApparent MagnitudeAbsolute MagnitudeThe Color IndexBolometric MagnitudeStellar TemperaturesEffective TemperatureColor TemperatureAppendix: Solid AngleGravitation and Kepler's LawsTwo-Body ProblemApplication to Solar SystemVirial TheoremTidal Forces and Roche LimitStars, Stellar Spectra, and ClassificationIntroductionStellar Spectra Harvard Classification of Stellar SpectraSaha Equation Derivation of the Saha Equation Number of States of a Free Particle in a BoxHR DiagramStar Clusters and AssociationsDistance and Age Determination of Clusters using Color-Magnitude DiagramRadiation from Astronomical SourcesContinuous SpectraSynchrotron RadiationBremsstrahlungCompton ScatteringBound-Free TransitionsAbsorption and Emission Line SpectrumRadial Velocity due to Doppler EffectCauses of Finite Width of Spectral LinesMolecular Band SpectraExtinctionExtinction CoefficientColor ExcessStellar StructurePressure GradientMass DistributionEnergy ProductionTemperature GradientRadiative TransportConvective TransportBoundary ConditionsRosseland Mean OpacityEquation of StateIdeal Gas LawStellar Energy SourcesAppendix: Maxwell-Boltzmann DistributionStellar Nuclear ReactionsFundamental InteractionsFundamental ParticlesA Brief Introduction to NeutrinosPP Chain Nuclear Reaction RateNuclear Reaction Rate: DerivationNuclear Cross-SectionEstimating the Nuclear Reaction RateEnergy Released in Nuclear ReactionsStandard Solar ModelStar Formation and Stellar EvolutionEarly Stage of Star FormationFragmentationEvolution on the Main SequenceDegenerate Free Electron GasEvolution beyond the Main SequencePopulation I and II StarsWhite DwarfsNeutron StarBlack HolesSupernovaThe SunSolar AtmospherePhotosphereChromosphereCoronaDynamo Mechanism for Magnetic Field EnhancementSunspots and the Solar CycleSome Transient Phenomena The Solar SystemOrbital Properties of PlanetsRetrograde Motion of PlanetsAlbedo and Temperature of PlanetsTerrestrial Planets: Interior StructureJovian PlanetsThe MoonEclipses and OccultationsWhy Did Pluto Lose Its Planetship?…”
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  20. 2140
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