Results 61 to 70 of about 22,046,683 (361)
Applied SciencesIn this paper, the graph theory model of the kinematics of the double internal meshing planetary gear is established by splitting the k value of the planetary gear, the system matrix of the dual-state logic planetary gear transmission is assembled, the ...
Qiang Zhang +4 more
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A DETAILED ANALYSIS OF THE HD 73526 2:1 RESONANT PLANETARY SYSTEM [PDF]
, 2013 We present six years of new radial velocity data from the Anglo-Australian and Magellan Telescopes on the HD 73526 2:1 resonant planetary system. We investigate both Keplerian and dynamical (interacting) fits to these data, yielding four possible ...
R. Wittenmyer +18 more
semanticscholar +1 more source
, 2013 Extensive photometric stellar surveys show that many main sequence stars show emission at infrared and longer wavelengths that is in excess of the stellar photosphere; this emission is thought to arise from circumstellar dust. The presence of dust disks is confirmed by spatially resolved imaging at infrared to millimeter wavelengths (tracing the dust ...
openaire +3 more sources
Advanced Functional Materials, EarlyView.A wideband tunable electrochromic device with dynamic thermal emissivity control is demonstrated. The system enables adaptive heat regulation via electrochemically modulated silver deposition, achieving efficient cooling and heating states. The flexible design ensures mechanical robustness under bending conditions, making it promising for portable and ...
Jiawei Liang +10 more
wiley +1 more source
Backlash Analysis of Gear Transmission of Parallel Uniform Planetary Gear
Jixie chuandong, 2018 Based on the NGW planetary gear transmission system,a gear transmission of parallel uniform planetary gear is proposed to reduce the transmission error of asteroid transmission system and improve its transmission accuracy.
Guo Jing +3 more
doaj
POSSIBLE TRANSIT TIMING VARIATIONS OF THE TrES-3 PLANETARY SYSTEM [PDF]
, 2013 Five newly observed transit light curves of the TrES-3 planetary system are presented. Together with other light-curve data from the literature, 23 transit light curves in total, which cover an overall timescale of 911 epochs, have been analyzed through ...
I. Jiang +9 more
semanticscholar +1 more source
Planetary system disruption by Galactic perturbations to wide binary stars [PDF]
Nature, 2013 Nearly half the exoplanets found within binary star systems reside in very wide binaries with average stellar separations greater than 1,000 astronomical units (one astronomical unit (au) being the Earth–Sun distance), yet the influence of such distant ...
N. Kaib, S. Raymond, M. Duncan
semanticscholar +1 more source
Evolution of planetary systems in resonance [PDF]
Astronomy & Astrophysics, 2004 We study the time evolution of two protoplanets still embedded in a protoplanetary disk. The results of two different numerical approaches are presented and compared. In the first approach, the motion of the disk material is computed with viscous hydrodynamical simulations, and the planetary motion is determined by N-body calculations including exactly
Geoffrey Bryden +2 more
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Print‐and‐Plate Architected Electrodes for Electrochemical Transformations Under Flow
Advanced Functional Materials, EarlyView.Typical flow cell electrodes are composed of stochastic porous carbon, limiting understanding of electrode structure‐performance relationships. This work describes an approach, termed “print‐and‐plate,” to prepare porous electrodes by direct ink writing followed by conformal metal coating.
Dylan M. Barber +12 more
wiley +1 more source
Parallel Finite Element Algorithm for Large Elastic Deformations: Program Development and Validation
EngA comprehensive understanding of large elastic deformation, characterized by its nonlinear strain and stress properties, is vital for examining tectonic deformation across geological timescales.
Yuhang Chen, Caibo Hu, Huai Zhang
doaj +1 more source