Results 61 to 70 of about 6,989 (307)
Dark-matter-deficient galaxies in hydrodynamical simulations [PDF]
, 2019 Low-mass galaxies are expected to be dark-matter-dominated even within their central regions. Recently, two observations reported two dwarf galaxies in a group environment with very little dark matter in their central regions.
Liao, Shihong +6 more
core +2 more sources
Impacts of the Metagalactic Ultraviolet Background on Circumgalactic Medium Absorption Systems
The Astrophysical JournalAmong the many different pieces of physics that go into simulations of the circumgalactic medium (CGM), the metagalactic ultraviolet background (UVB) plays a significant role in determining the ionization state of different metal species.
Elias Taira +7 more
doaj +1 more source
Advanced Healthcare Materials, EarlyView.POSS‐PEG‐NHS and GSH cocrosslinked DPAV to prepare a multifunctional anticalcification valve substitute. This modification enhances mechanical properties, hemocompatibility, and re‐endothelialization while promoting anti‐inflammatory M2 macrophage infiltration and reducing calcification.
Yuqing Zhang +10 more
wiley +1 more source
Angular Momentum Evolution of Galaxies: the Perspective of Hydrodynamical Simulations [PDF]
, 2018 Until a decade ago, galaxy formation simulations were unable to simultaneously reproduce the observed angular momentum (AM) of galaxy disks and bulges.
Lagos, Claudia
core +1 more source
Infall Explains the Disk Kinematics of AB Aur without Gravitational Instability
The Astrophysical Journal LettersLate-stage infall onto protoplanetary disks can produce large-scale spiral arms. In this Letter, we used 3D smoothed particle hydrodynamics and radiative transfer simulations to study the kinematic perturbations induced in disks by infalling material. We
Josh Calcino +2 more
doaj +1 more source
Can Cosmological Simulations Reproduce the Spectroscopically Confirmed Galaxies Seen at z ≥ 10?
The Astrophysical Journal Letters, 2023 Recent photometric detections of extreme ( z > 10) redshift galaxies from the JWST have been shown to be in strong tension with existing simulation models for galaxy formation and in the most acute case, in tension with ΛCDM itself.
B. W. Keller +3 more
doaj +1 more source
Advanced Healthcare Materials, EarlyView.Macrophage membrane‐coated Cu/Zn‐MOF nanozyme microneedles (MNs) reprogram the diabetic wound microenvironment through localized, minimally invasive delivery. By suppressing M1‐like macrophage activation while promoting extracellular matrix deposition and angiogenesis, this biomimetic platform accelerates diabetic wound repair.
Qipeng Wu +7 more
wiley +1 more source
The Multicomponent Fitting to the Star Formation Histories in the TNG Simulation
The Astrophysical JournalThe star formation history (SFH) is a key issue in the evolution of galaxies. In this work, we developed a model based on a Gaussian and gamma function mixture to fit SFHs with varying numbers of components. Our primary objective was to use this model to
Yang Wang +5 more
doaj +1 more source
Numerical simulation of the dynamics of sedimentary river beds with a stochastic Exner equation
ESAIM: Proceedings and Surveys, 2015 At the scale of a river reach, the dynamics of the river bed is typically modelled by Exner equation (conservation of the solid mass) with an empirical solid flux of transported sediments, which is a simple deterministic algebraic ...
Audusse Emmanuel +4 more
doaj +1 more source
Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine
Advanced Materials, EarlyView.A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen +5 more
wiley +1 more source