Results 121 to 130 of about 97,045 (300)

On the magnetospheric beat-frequency and lense-thirring interpretations of the horizontal-branch oscillation in the Z sources

open access: yes, 1999
Three types of quasi-periodic oscillations (QPOs) have been discovered so far in the persistent emission of the most luminous neutron star low-mass X-ray binaries, the Z sources: similar to 10-60 Hz horizontal-branch and similar to 6-20 Hz normal/flaring-
van Paradijs, J   +19 more
core   +1 more source

Temporal Interference Stimulation Enhances Neural Regeneration

open access: yesAdvanced Science, EarlyView.
Temporal interference (TI) stimulation is proposed as a non‐invasive approach to enhance neural regeneration in the deep brain. Theta‐band TI modulation selectively promotes neural progenitor cell differentiation in vitro and augments hippocampal neurogenesis in amouse model of Alzheimer's disease‐like amyloidosis.
Sofia Peressotti   +15 more
wiley   +1 more source

Effects of Mixing Ratios on Branch Development in Young Mixed Plantations of Betula alnoides and Castanopsis hystrix

open access: yesPlants
Branch characteristics (quantity, morphology, and distribution) are critical determinants of tree growth and wood quality. However, the influence of species mixing, particularly mixing ratios, on branch development remains poorly understood.
Yangdong Zou   +5 more
doaj   +1 more source

ROTATION AND MACROTURBULENCE IN METAL-POOR FIELD RED GIANT AND RED HORIZONTAL BRANCH STARS

open access: yes, 2008
We report the results for rotational velocities, Vrot sin i, and macroturbulence dispersions, ζRT, for 12 metal-poor field red giant branch (RGB) stars and 7 metal-poor field red horizontal branch (RHB) stars. The results are based on Fourier transform
Gray, David F.   +6 more
core   +1 more source

Advanced Dental Composite Technology via Bisilanized Dual‐Action Nanofillers for Biofilm Control

open access: yesAdvanced Science, EarlyView.
A multimodal research strategy has led to the development of an innovative resin‐based composite (RBC) with dual antibacterial action. The S_CM‐RBC formula showed strong antibiofilm activity, excellent mechanical strength, and biosafety. It effectively controlled oral bacteria in prevention of caries recurrence, and maintained pulp health in a rat ...
Chenmin Yao   +11 more
wiley   +1 more source

The Blue Horizontal-branch Stars from the LAMOST Survey: Atmospheric Parameters

open access: yesThe Astrophysical Journal Supplement Series
Blue horizontal-branch (BHB) stars are crucial for studying the structure of the Galactic halo. Accurate atmospheric parameters of BHB stars are essential for investigating the formation and evolution of the Galaxy.
Jie Ju   +6 more
doaj   +1 more source

Numerical simulation of thermal stratification phenomenon in stagnant branch pipe of pressurized water reactors

open access: yesHe jishu
BackgroundIn thermal pipelines of nuclear power systems, thermal stratification is a common phenomenon that can cause stress concentration and deformation of pipeline structures, thereby leading to safety hazards.
MA Jingxiang   +2 more
doaj   +1 more source

Evolution of horizontal branch stars with extension

open access: yes, 1990
The details of the evolution of a low-mass horizontal branch star through the asymptotic giant phase with the assumption of first an extended atmosphere and second with extended and mass including atmosphere are given in comparison with the evolution of ...
Laskarides, P.G., Nikolaidis, D.L.
core  

A New Spin on the Problem of Horizontal‐Branch Gaps: Stellar Rotation along the Blue Horizontal Branch of Globular Cluster M13 [PDF]

open access: yes, 2000
We have determined the projected rotational velocities of 13 blue horizontal-branch (BHB) stars in the globular cluster M13 via rotational broadening of metal absorption lines.
Djorgovski, S. G.   +6 more
core  

Effects of tidally enhanced stellar wind on the horizontal branch morphology of globular clusters

open access: yes, 2013
Context. Metallicity is the first parameter to influence the horizontal branch (HB) morphology of globular clusters (GCs). It has been found, however, that some other parameters may also play an important role in affecting the morphology.
Z.-X. Lei   +3 more
core   +1 more source

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