Results 261 to 270 of about 12,062 (300)

Dielectric Barrier Discharge Plasma Deoxidation of Natively Oxide Layer of Copper Powders in a Fluidized Bed

Advanced Engineering Materials, EarlyView.
This paper presents a novel approach to reducing oxide layers on metal powders using low‐temperature hydrogen dielectric barrier discharge plasmas at atmospheric pressure. Unlike conventional hydrogen‐plasma reductions, the powders do not contact the plasma directly.
Shukang Zhang, Annett Wollmann, Thomas Gimpel, Alfred P. Weber   +3 more
wiley   +1 more source

Utilization of youth corners: a model for improving youth-friendly health services in Neno District, Southern Malawi. [PDF]

Glob Health Action
Kavuma T, Chibvunde S, Kabanda V, Munyaneza F, Mpinga K, Mphande I, Nhlema B, Banda C, Harare J, Ndarama E, Sandiyang'ane A, Aron MB.   +11 more
europepmc   +1 more source

Subgiants in NGC 188 reveal that rotationally induced mixing creates the main sequence Li-Dip. [PDF]

Nat Commun
Sun Q, Deliyannis CP, Anthony-Twarog BJ, Twarog BA, Xu XT, Steinhauer A, King JR.   +6 more
europepmc   +1 more source

Cosmic-ray bath in a past supernova gives birth to Earth-like planets. [PDF]

Sci Adv
Sawada R, Kurokawa H, Suwa Y, Taki T, Lee SH, Tanikawa A.   +5 more
europepmc   +1 more source

Precision analysis of NGC 2158 with Gaia DR3. [PDF]

Sci Rep
Ahmed NM, Tadross AL.
europepmc   +1 more source

Background-free ¹²C(<i>α</i>, <i>γ</i>) angular distribution measurements with a time projection chamber operating in Gamma beams. [PDF]

Commun Phys
Haverson KCZ, Smith R, Gai M, Schweitzer DK, Stern SR, Finch SW.   +5 more
europepmc   +1 more source

A Faint Progenitor System for the Faint Supernova 2024vjm

Zimmerman E, Gal-Yam A, Groot P, Ofek E, Roestel Jv, Pastorello A, Valenti S, Ravi A, Chen P, Schulze S, Blagorodnova N, Wavasseur M, Gómez-Muñoz M, Tranin H, de Wet S, Leloudas G, Vreeswijk P, Kwok L, Schwab M, Jha S, Maguire K, Sand D, Stringer E, Kupfer T, Faran T, Anderson J, Andrews J, Andrews M, Badash A, Bloemen S, Bostroem K, Chen T, Valle MD, Dimitriadis G, Dong Y, Farah J, Gillanders J, Godson B, Gromadzki M, Hiramatsu D, Hoang E, Howell D, Janzen D, Kuncarayakti H, Li J, Lyman J, Maeda K, Magee M, Mehta D, Milligan A, Moran S, Ni YQ, O’Neill D, Pearson J, Pieterse D, Pignata G, Reguitti A, Reichart D, Retamal NM, Santos R, Scaringi S, Shrestha M, Srivastav S, Stoppa F, Subrayan B, Valerin G, Wang X, Wynn K, Yaron O, Zang W.   +69 more
europepmc   +1 more source

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Stellar Candles for the Extragalactic Distance Scale

Lecture Notes in Physics, 2003
The HST Key Project on the Extragalactic Distance Scale: A Search for Three Number.- Calibration of the Distance Scale From Cepheids.- Currents Uncertainties in the Use of Cepheids as Distance Indicators.- The Cepheid Calibration of Type Ia Supernovae as Standard Candles.- RR Lyrae Distance Scale: Theory and Observations.- Globular Cluster Distances ...
exaly   +2 more sources

The Unit of Stellar Distance

Publications of the Astronomical Society of the Pacific, 1913
H D Curtis
exaly   +2 more sources

Stellar Distances Refined

Science News, 1966
0 THE DISTANCES to certain stars whose light output varies rhythmically in less than a day can now be determined more accurately. The yardstick used to measure stellar distances to the class of stars known as RR Lyrae has been given new precision by Dr. Robert F. Christy, professor of theoretical physics at California Institute of Technology, Pasadena.
openaire   +1 more source