Results 161 to 170 of about 162,668 (303)

Investigation of Stray‐Light Patterns in the eROSITA X‐Ray Cameras

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT eROSITA (extended ROentgen Survey with an Imaging Telescope Array) is the soft X‐ray instrument aboard the Spectrum‐Roentgen‐Gamma (SRG) mission, developed under the responsibility of the Max Planck Institute for Extraterrestrial Physics (MPE).
Veronika Stieglitz   +4 more
wiley   +1 more source

A jigsaw puzzle

open access: yesRevista Portuguesa de Cardiologia, 2023
Carla, Marques Pires   +4 more
openaire   +2 more sources

Empirical Evaluation of Investor Rationality in the Asset Allocation Puzzle [PDF]

open access: yes
We examine the portfolio-choice puzzle posed by Canner, Mankiw, and Weil (1997). The idea is to test a conclusion reached by Elton and Gruber (2000), stating that a bonds/stocks ratio which decreases in relation to risk tolerance does not necessarily ...
Georges Dionne   +2 more
core  

Direct SMBH Formation Driven by Runaway Stellar Collisions in Globally Unstable Stellar Systems

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT The fueling problem addresses the ultimate fate of the reservoirs of gas and stars driven into the deepest gravitational potential wells of galaxies, thus it may contain the Universe's densest concentrations of gas and stars. This raises a key question: does the infalling material collapse directly into a supermassive black hole, or can it ...
Marcelo C. Vergara, Andrés Escala
wiley   +1 more source

Puzzle-based pedagogic activity to address rote learning of antibiotic classes in clinical pharmacology course for undergraduate nursing students. [PDF]

open access: yesBMC Med Educ
Morén C   +9 more
europepmc   +1 more source

Graphite Co‐Intercalation Chemistry in Sodium‐Ion Batteries

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
Traditional intercalation chemistry in lithium‐ion batteries cannot allow sodium storage in graphite. The co‐intercalation chemistry changes the situation. It enables reversible and ultrafast sodium storage in graphite. Revisiting challenges and summarizing recent advances are of significant importance to exploit the full potential of graphite in ...
Linlong Lyu, Yuyang Yi, Zheng‐Long Xu
wiley   +1 more source

How the HTAR will contribute to a value‐based decision‐making for medicinal products across the EU

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
The European Union Health Technology Regulation 2021/2282 (HTAR) introduces joint assessment of health technologies (including medicinal products and medical devices) across EU Member States. It was signed into law in 2021 and came into full force in January 2025.
Roisin Adams, Michal Stanak
wiley   +1 more source

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