Results 51 to 60 of about 1,482 (185)

Improved Simulation of Particle Number Concentrations Over the US: Integrating a Size‐Resolved Advanced Particle Microphysics Model Into CMAQ

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 16, 28 August 2025.
Abstract Accurate representation of aerosol size distributions and total number concentrations is critical for evaluating particle impacts on climate, clouds, and public health. An Advanced Particle Microphysics model (APM) has been integrated into the USEPA's Community Multiscale Air Quality Modeling System (CMAQ) to improve its representation of ...
Jingbo Mao   +7 more
wiley   +1 more source

X-ray emission mechanisms in active galactic nuclei

open access: yes, 2016
Active Galactic Nuclei (AGN) are compact regions at the centre of active galaxies which are visible across the full electromagnetic spectrum. Their radiation comes from the accretion of matter onto a supermassive black hole. They are particularly bright in X-rays, showing several components in their spectra.
openaire   +3 more sources

The Prospects Of X-Ray Polarimetry For Active Galactic Nuclei

open access: yes, 2016
Polarimetry at optical and other wavelength continues to play an important role in our struggle to develop (super-)unification schemes for active galactic nuclei (AGN). Therefore, radio-loud and radio-quiet AGN are important targets for the future small and medium-size X-ray polarimetry missions that are currently under phase A study at NASA and ESA ...
openaire   +2 more sources

ABSTRACTS

open access: yes
Precision Radiation Oncology, EarlyView.
wiley   +1 more source

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