Results 261 to 270 of about 2,439,305 (313)

Numerous bow shocks in the outer Helix Nebula. [PDF]

Nature
van Dokkum P, Abraham R, Bowman WP, Chen S, Janssens SR, Lokhorst DM, Pasha I, Rhea C.   +7 more
europepmc   +1 more source

Left ventricular longitudinal function and the hyperkinetic profile: an old echo world to rediscover? [PDF]

Crit Care
Gasca-Aldama JC, López-Rodríguez KH, Marché-Fernández OA, Carrasco-Flores MA, Morales-Ferrer JÁ, Vidals-Sánchez M, Gonzáles-Escudero EA, Juárez-León JE, Monares-Zepeda E, Arzate-Ramírez A.   +9 more
europepmc   +1 more source

Correction for Ajourlou et al., Upper mantle temperatures illuminate the Iceland hotspot track and understanding of ice-Earth interactions in Greenland. [PDF]

Proc Natl Acad Sci U S A
europepmc   +1 more source

Adaptive Neural Control for Constrained Biomimetic Rehabilitation Robots Using a Novel High-Order Integral Barrier Function. [PDF]

Biomimetics (Basel)
Zhang T, Zhang J, Yan P.
europepmc   +1 more source

Experimental and machine learning-based comparison of swirling and conventional conical fluidized bed reactors for enhanced thermal performance. [PDF]

Sci Rep
Abdelmotalib HM, Samee AAA, Tawfik MHM.
europepmc   +1 more source

Euler simulation of hydrocyclone pre-separation before oily wastewater membrane treatment based on Population balance model. [PDF]

Sci Rep
Shuai Z, Liqiu X, Laiyuan D, Yan L, Daming S, Yong R.   +5 more
europepmc   +1 more source

Numerical Simulation and Borehole Azimuthal Acoustic Imaging of Near-Borehole Caves in Formations with Axially Non-Uniform Wave Velocities. [PDF]

Sensors (Basel)
Yang B, Che X, Zhao T, Lu J, Men B, Qiao W.   +5 more
europepmc   +1 more source

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30. Radial Velocities (Vitesses Radiales)

Transactions of the International Astronomical Union, 1988
The present report on the activities of IAU Commission 30, covering the triennium June l, 1984 through June 1, 1987, will be somewhat different from its recent predecessors in both content and style. Over the preceding decade or so, the reports mainly emphasized the dramatic improvements in observing efficiency, achieved primarily through the general ...
J. Andersen, D. W. Latham, A. Florsch, E. Maurice, M. Mayor, R. D. McClure, A. G. D. Philip   +6 more
openaire   +1 more source

Precision radial velocities

Publications of the Astronomical Society of the Pacific, 1983
A number of techniques for determining stellar radial velocities with a precision better than 100 m s-1 are now becoming available. Three types of precision velocity techniques have been proposed, using for wavelength reference either telluric lines, Fabry-Perot fringes, or lines generated in an absorption cell. The author has used the latter technique,
openaire   +1 more source

Retrieval of a Real‐Time Sea Surface Vector Field From SAR Doppler Centroid: 2. On the Radial Velocity

Journal of Geophysical Research: Oceans, 2023
Yijun He, Xiaobo Yang
exaly