Results 91 to 100 of about 277,309 (328)

Fluorine Abundances in Local Stellar Populations

The Astronomical Journal
We present the first fluorine measurements in 12 normal K giants belonging to the Galactic thin and thick disks using spectra obtained with the Phoenix infrared spectrometer on the 2.1 m telescope at Kitt Peak. Abundances are determined from the (1−0) R9
K. E. Brady, C. A. Pilachowski, V. Grisoni, Z. G. Maas, K. A. Nault   +4 more
doaj   +1 more source

Comparative Study of Experimental Methods for Measuring Thermal Properties of 100Cr6 Steel Powders

Advanced Engineering Materials, EarlyView.
This study investigates the thermal properties of 100Cr6 steel in both bulk and powder forms. Measuring the very low thermal conductivity typically exhibited by powders poses significant challenges. To address this, two novel measurement techniques—temperature gradient and finite laser pulse response—are introduced and evaluated by comparison with the ...
Junsheng Zhuo, Hagen P. Kohl, Dongmei Liu, Lisa Matthäus, Arne Bochmann, Aaron Berger, Sebastian Weber, Stefan Nolte, Stephanie Lippmann   +8 more
wiley   +1 more source

100-W Yb:YAG thin-disk vortex laser oscillator

Light: Advanced Manufacturing
Optical vortices carrying orbital angular momentum and spiral wavefront phases have garnered increasing research interest owing to their numerous applications.
Hongshan Chen, Qing Wang, Xin Liu, Heyan Liu, Xinhua Guo, Tingting Yang, Lisong Yan, Jinwei Zhang   +7 more
doaj   +1 more source

Galactic structure studies with BATC star counts

, 2003
We report the first results of star counts carried out with the National Astronomical Observatories (NAOC) 60/90 cm Schmidt Telescope in 15 intermediate-band filters from 3000 to 10000 {\AA} in the BATC survey.
Alfred Bing-Chih Chen, Bahcall, Bahcall, Bahcall, Bruzual, Buser, Chen, Chen, Chen, Chen, Coleman, Cuihua Du, Eggen, Fan, Fukugita, Gilmore, Haywood, Hong Wu, Jenkner, Jiansheng Chen, Jiuli Li, Jun Ma, Koo, Koo, Kron, Kroupa, Kuijken, Larsen, Méndez, Nissen, Ojha, Ojha, Oke, Phleps, Pickles, Reid, Reid, Reylé, Robin, Robin, Siegel, Stetson, Wyse, Xia, Xu Zhou, Yan, Yanbin Yang, Yoshii, Zhang, Zhaoji Jiang, Zhou, Zhou   +51 more
core   +1 more source

Key Trends and Insights in Smart Polymeric Skin Wearable Patches

Advanced Engineering Materials, EarlyView.
Intelligent polymers, which respond to various physical and biological stimuli, are explored for the development of skin wearable patches in biomedical applications. Smart polymers, also known as intelligent or stimuli‐responsive polymers, play a crucial role in the development of advanced wearable patches due to their versatility and softness.
Sergio J. Peñas‐Núñez, Rajat Rai, Miryam Criado‐Gonzalez   +2 more
wiley   +1 more source

Magnetostrictive behaviour of thin superconducting disks [PDF]

Superconductor Science and Technology, 2003
8 pages, 6 figures, submitted to Supercond. Sci. Technol., Proceed.
D. V. Shantsev, Tom H. Johansen
openaire   +3 more sources

Impact of Various Rotary Friction Welding Process Parameters on the Mechanical Properties of a Steel–Aluminum Joint

Advanced Engineering Materials, EarlyView.
Rotary friction welding of steel E355 and the aluminum alloy EN AW‐6082 can lead to the formation of brittle intermetallic phases. The primary process parameters are varied in order to determine their influence on this intermetallic phase formation and the resulting mechanical properties.
Laura Huber, Phillipp Schultheiß, Michael Thiele, Christoph Rößler, Heinz Werner Höppel   +4 more
wiley   +1 more source

Three-Dimensional Simulations of Magnetized Thin Accretion Disks around Black Holes: Stress in the Plunging Region

, 2008
We describe three-dimensional general relativistic magnetohydrodynamic simulations of a geometrically thin accretion disk around a non-spinning black hole. The disk has a thickness $h/r\sim0.05-0.1$ over the radial range $(2-20)GM/c^2$.
Afshordi, Alexander Tchekhovskoy, Beckwith, Beckwith, Charles F. Gammie, Davis, De Villiers, Gammie, Gammie, Gammie, Jeffrey E. McClintock, Jonathan C. McKinney, Krolik, Krolik, Krolik, Liu, McClintock, McKinney, Noble, Novikov, Paczyński, Ramesh Narayan, Rebecca Shafee, Reynolds, Shafee, Shafee, Shakura   +26 more
core   +1 more source

THE THICKENING OF THE THIN DISK IN THE THIRD GALACTIC QUADRANT [PDF]

The Astronomical Journal, 2014
In the third Galactic quadrant (180 < l < 270) of the Milky Way, the Galactic thin disk exhibits a significant warp ---shown both by gas and young stars--- bending down a few kpc below the formal Galactic plane (b=0). This warp shows its maximum at 240, in the direction of the Canis Major constellation.
CARRARO, GIOVANNI, Vázquez, Rubén A., Costa, Edgardo, Ahumada, Javier A., Giorgi, Edgar E.   +4 more
openaire   +10 more sources

Direct Natural and Artificial Aging of Aluminum Alloy AlSi10Mg After Laser Powder‐Bed Fusion

Advanced Engineering Materials, EarlyView.
Laser powder‐bed fusion of metals aluminum alloy AlSi10Mg has been directly aged. Artificial aging after natural aging is considered. The hardening potential is high for the top part of the samples as well as after short natural aging. The hardening potential is substantially reduced for the bottom part of the samples, as well as after natural aging of
Rabea Steuer, Benjamin Milkereit, Sigurd Wenner, Jette Broer, Florian Huber, Mirko Schaper, Olaf Kessler   +6 more
wiley   +1 more source