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关于天体物理学的最新出版物和专利

天体物理学

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这是我们最新精选的关于天体物理学的全球英文出版物和专利,涉及许多科学在线期刊,分类并侧重于天体物理学、中子星、超新星、黑洞、宇宙微波、CMBR、类星体、红移、吸积盘、暗物质、宇宙膨胀、磁流体动力学、暗能量、哈勃、事件视界、引力波、系外行星、红巨星、白矮星和红移。

Gravitational waves confirm predicted black-hole mass gap and probe stellar nuclear physics

Published on 2026-06-01 by @NATURE

Abstract: Nature Astronomy, Published online: 01 June 2026; doi:10.1038/s41550-026-02856-zThe mass spectrum of binary black-hole mergers has been expected to show a ‘mass gap’ above 45 solar masses, consistent with the physics of pair-instability supernovae. An extensive catalogue of gravitational-wave detections reveals a high-spin population above this threshold that probably results from repeated black-hole mergers in dense star clusters, and fits with the existence of the mass gap. The inferred bo[...]


Our summary: Gravitational waves have confirmed the existence of a mass gap in binary black-hole mergers above 45 solar masses. The observed high-spin population suggests these black holes originate from repeated mergers in dense star clusters. This finding also provides insights into the carbon-to-oxygen fusion rate during helium burning in massive stars.

gravitational waves, black-hole mass gap, stellar nuclear physics, pair-instability supernovae

Publication

Accretion disk and gravitational hardening models for layered cognitive manifolds in persistent cognitive machines

Patent published on the 2026-04-16 in US under Ref US20260105260 by ATOMBEAM TECHNOLOGIES INC [US] (Galvin Brian [us])

Abstract: Systems and methods for persistence of memory on a persistent cognitive machine (PCM) that uses a continuous, differentiable, cognitive manifold in geometric space to allow a computer to engage in human-like thought processes. A PCM with cognitive manifold performs cognition on a thought manifold in a continuous, differentiable, thought manifold in geometric space as opposed to probabilistic prediction in a discontinuous, anisotropic, and topologically fractured vector space. A means for providi[...]


Our summary: The content discusses a model for persistent cognitive machines that utilize a continuous cognitive manifold for human-like thought processes. It contrasts this with traditional probabilistic methods, emphasizing a structured approach to thought layers. The model draws parallels with astrophysical concepts to explain the stability of thoughts within the cognitive framework.

Cognitive Manifold, Persistent Cognitive Machine, Accretion Disk, Gravitational Hardening

Patent

The Role of the Magnetic Field Orientation and Strength on the Electrodeposition of Ni-Fe Bifunctional Electrocatalyst for Hydrogen Evolution Reaction and Oxygen Evolution Reaction

Published on 2026-02-03 by Safya Elsharkawy, Mateusz M. Marzec, Piotr ?abi?ski @MDPI

Abstract: Ni&amp;ndash;Fe alloys were prepared via electrodeposition from a citrate electrolyte under different magnetic field (MF) strengths (0.1 T, 0.3 T, and 0.5 T) and configurations parallel (B&amp;#8214;) and perpendicular (B&amp;perp;) to the electrode surface. The magnetohydrodynamics (MHD) induced by the magnetic field influences their structural, compositional, and electrocatalytic properties. The application of an external homogeneous magnetic field significantly altered the alloy m[...]


Our summary: The study investigates how magnetic field orientation and strength affect the electrodeposition of Ni-Fe alloys. Results show that moderate magnetic field intensity improves film quality and electrocatalytic performance for hydrogen and oxygen evolution reactions. The findings highlight the potential to optimize bifunctional electrocatalysts through controlled magnetic field conditions.

Electrodeposition, Magnetic Field, Ni-Fe Alloys, Electrocatalysis

Publication

Study on Thermophysical Properties and Electrical Conductivity Characteristics of Combustion Products from Propellants with Ionization Seeds

Published on 2026-01-15 by Chunlin Chen, Lei Chang, Baoquan Mao, Qijin Zhao, Renbin Li, Xianghua Bai @MDPI

Abstract: Detailed knowledge regarding the thermophysical properties and electrical conductivity of the combustion products derived from solid propellants is essential for the optimized design and operation of solid-fuel rocket engines employing magnetohydrodynamic drive technology. However, the high-temperature and high-pressure environment prevailing during rocket operation makes the experimental measurement of these characteristics extremely difficult, while the ionization reactions obtained by adding [...]


Our summary: This study focuses on the thermophysical properties and electrical conductivity of combustion products from solid propellants with ionization seeds. It utilizes a Gibbs free energy constraint function and Lennard-Jones potential theory to calculate specific heat, viscosity, and thermal conductivity. The numerical calculations are validated through experiments, showing a discrepancy of less than 5% in electron density at high temperatures.

thermophysical properties, electrical conductivity, combustion products, ionization seeds

Publication

涵盖的主题: 天体物理学、中子星、超新星、黑洞、宇宙微波、CMBR、类星体、红移、吸积盘、暗物质、宇宙膨胀、磁流体动力学、暗能量、哈勃、事件视界、引力波、系外行星、红巨星、白矮星、红移、ISO 21348、ISO 19115、ISO 19130、ISO 19111 和 ISO 19115-1。

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