Results 91 to 100 of about 119,561 (151)

Exercise echocardiography for improved assessment of diastolic filling dynamics

open access: yesExperimental Physiology, Volume 110, Issue 6, Page 809-820, 1 June 2025.
Abstract During exercise stress, heart rate (HR) increases to support cardiac output, which also reduces ventricular filling time. Although echocardiography is widely used to assess cardiac function, studies display conflicting data on the dynamic changes in the healthy trained and untrained heart during rest and acute exercise stress. To address these
Mads Fischer   +8 more
wiley   +1 more source

Safety and Tolerability Study of an Intravenously Administered Small Interfering Ribonucleic Acid (siRNA) Post On-Pump Cardiothoracic Surgery in Patients at Risk of Acute Kidney Injury

open access: yesKidney International Reports, 2017
Patients undergoing on-pump cardiac surgery are at an increased risk of acute kidney injury. QPI-1002, a small interfering ribonucleic acid, is under clinical development for the prevention of acute kidney injury.
Segav Demirjian   +12 more
doaj   +1 more source

Electromagnetic Properties of Hadrons in the Quark Model [PDF]

open access: green, 1967
H.R. Rubinstein   +2 more
openalex   +1 more source

Quark Model with Factorizability Assumption [PDF]

open access: bronze, 1967
Masaaki Kawaguchi   +2 more
openalex   +1 more source

Derivation of the Balitsky-Kovchegov Equation for Quark-Quark Scattering [PDF]

open access: yesarXiv
We derived the BK equation for quark-quark scattering, extending the dipole-hadron scattering framework. This derivation reveals that the quark-quark scattering amplitude grows with increasing quark rapidity. Since the momentum dot product is Lorentz invariant, the coupling constant plays a crucial role in accounting for it.
arxiv  

Top Quark Physics -- a Popular Review [PDF]

open access: yesarXiv, 1995
The top quark has been discovered at FERMILAB last year. The following features of top quark physics will be discussed in this article: the top quark in the standard model production and decay of the top quark in proton collisions (direct evidence for top) virtual effects of top quarks in electroweak observables (indirect evidence for top)
arxiv  

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