Results 121 to 130 of about 8,897 (294)

Comparison of Bar Formation Mechanisms. II. Does a Tidally Induced Bar Grow Faster than an Internally Developed Bar?

The Astrophysical Journal
Bar structures can form internally due to the instability of their host galaxies or externally due to perturbations from other galaxies. We systematically quantify the growth timescales ( τ _bar ) of bars formed through these two mechanisms with a series
Yirui Zheng, Juntai Shen, Xufen Wu, Bin-Hui Chen   +3 more
doaj   +1 more source

On the fundamentality of the radial acceleration relation for late-type galaxy dynamics [PDF]

, 2023
Richard Stiskalek, Harry Desmond
openalex   +1 more source

Evaluation of Zinc Borate and Melamine Polyphosphate Synergy on the Rheological, Thermal, Mechanical, Dimensional, and Flame Retardant Performance of rLLDPE/CaCO3 Composites for Pipes Applications

Journal of Applied Polymer Science, Volume 143, Issue 8, February 20, 2026.
A synergistic flame retardant containing melamine polyphosphate and zinc borate was prepared and applied to provide rLLDPE/CaCO3 composites with superior flame retardancy. ABSTRACT The use of recycled thermoplastics is crucial for addressing environmental challenges such as waste management and sustainability.
Antonio Benjamim Mapossa, Erick Gabriel Ribeiro dos Anjos, Uttandaraman Sundararaj   +2 more
wiley   +1 more source

Dynamics of the Galaxy

, 1999
Our Galaxy is a barred spiral. Recent work based on the COBE NIR data implies a small bulge-bar and a disk with a short scale-length. The corotation radius of the bar is in the range 3-4.5 kpc. The stellar density distribution beyond the end of the bar appears to be perturbed strongly by the Galaxy's spiral arms.
openaire   +2 more sources

Minimal residual disease in solid tumors: Clinical applications and future directions

Cancer, Volume 132, Issue 3, 1 February 2026.
Abstract Minimal residual disease (MRD) refers to the presence of residual cancer cells or tumor‐derived fragments that persist after treatment and remain undetectable by conventional imaging or protein‐based assays. Circulating tumor DNA (ctDNA) has emerged as a dynamic biomarker for MRD detection.
Theresa Abdo, Ahmad Alhalabi, Sacha Yaghi, Mohammad Aloran, You Li, María Herrán, Rami Tfayli, Thomas A. Samuel, Zeina Nahleh   +8 more
wiley   +1 more source

Comparison of Bar Formation Mechanisms. I. Does a Tidally Induced Bar Rotate Slower than an Internally Induced Bar?

The Astrophysical Journal
Galactic bars can form via the internal bar instability or external tidal perturbations by other galaxies. We systematically compare the properties of the bars formed through the two mechanisms with a series of controlled N -body simulations that form ...
Yirui Zheng, Juntai Shen
doaj   +1 more source

Bursty Precipitation of Relativistic Electrons Unveiled by CIRBE/REPTile‐2 Measurements and Their Physical Implications

AGU Advances, Volume 7, Issue 1, February 2026.
Abstract Energetic electron precipitation plays a pivotal role in shaping Earth's radiation belt dynamics and drives significant physical and chemical changes in the upper atmosphere. However, the detailed mechanisms governing the loss of relativistic electrons have remained unclear, largely due to the limited energy coverage and coarse resolution of ...
Zheng Xiang, Xinlin Li, Daniel N. Baker, Qianli Ma, Yang Mei, Declan O’Brien, Hong Zhao, David Brennan, Theodore Sarris, Yoshizumi Miyoshi, Yoshiya Kasahara, Takefumi Mitani, Takeshi Takashima, Michael A. Temerin   +13 more
wiley   +1 more source

The DiskMass Survey. XI. Disk Geometries and Star Formation Surface Densities from Ionized Gas Kinematics and Line Intensities for the Full Hα Sample

The Astrophysical Journal Supplement Series
We present H α -region integral-field spectroscopy for 137 low-inclination, intermediate to late-type galaxies. Spectroscopic data, obtained with SparsePak and the Bench Spectrograph on the WIYN 3.5 m telescope, span 6475–6880 Å with an instrumental ...
Robert A. Swaters, David R. Andersen, Matthew A. Bershady, Thomas P. K. Martinsson, Paul Scholz, Marc A.W. Verheijen, Kyle B. Westfall   +6 more
doaj   +1 more source

The Dynamics and Energetics of Radio-Loud Active Galaxies

, 2014
J. J. Harwood
openalex   +2 more sources

Stellar dynamics of blue compact galaxies: I. Decoupled star-gas kinematics in ESO 400-G43 [PDF]

, 2004
Göran Östlin, Robert Cumming, P. Amram, N. Bergvall, D. Kunth, I. Márquez, J. Masegosa, Erik Zackrisson   +7 more
openalex   +1 more source