Results 61 to 70 of about 1,308,589 (302)

VHF radar measurements of momentum flux using summer polar mesopause echoes

Earth, Planets and Space, 2018
We revisit previously unpublished analysis of observations of the dynamics of the mesopause region over the Norwegian Island of Andøya (69°N, 16°E) made during a 1-week period in summer 1987 during the Middle Atmosphere Cooperation-Summer in Northern ...
Iain M. Reid, Rüdiger Rüster, Peter Czechowsky, Andrew J. Spargo   +3 more
doaj   +1 more source

Spectral analysis for wide energy channels [PDF]

Geoscientific Instrumentation, Methods and Data Systems, 2013
For energetic particle measurements whose spectra follow a power law, it is often challenging to define a characteristic ("effective") energy of an energy channel.
E. A. Kronberg, P. W. Daly
doaj   +1 more source

Solar Furnace: Heliostat and Concentrator Design [PDF]

, 2011
In recent decades, solar energy has been shown as a viable, clean, and abundant alternative to fossil fuels. Many methods of solar energy collection are being researched, with solar thermal electrochemistry being one of the most promising.
Gaide, Matthew, Heagney, Tyler, Schiller, Andrew   +2 more
core   +2 more sources

The Kuiper Belt and Other Debris Disks

, 2008
We discuss the current knowledge of the Solar system, focusing on bodies in the outer regions, on the information they provide concerning Solar system formation, and on the possible relationships that may exist between our system and the debris disks of ...
A. Bar-Nun, A. Delsanti, A. Higuchi, A. Morbidelli, A. Morbidelli, A. Moro-Martín, A. Moro-Martín, A.C. Boley, A.P. Boss, A.P. Boss, A.P. Boss, A.W. Harris, B. Gladman, B. Zuckerman, C. Alcock, C. Beichman, C. Leinert, C.A. Trujillo, C.M. Lisse, C.R. Chapman, D. Babich, D. Jewitt, D. Jewitt, D. Jewitt, D. Jewitt, D. Jewitt, D. Jewitt, D.A. Gurnett, D.C. Hines, D.C. Jewitt, D.C. Jewitt, D.C. Jewitt, D.E. Backman, D.E. Brownlee, D.E. Trilling, D.E. Trilling, D.R. Davis, E. Grün, E.F. Young, E.J. Gaidos, F. Paresce, F.C. Adams, G. Bryden, G. Marcy, G. Schneider, G.H. Rieke, G.J. Melnick, H.A. Zook, H.F. Levison, H.F. Levison, H.F. Levison, H.H. Hsieh, I. Song, J. Luu, J. Luu, J. Luu, J. Weingartner, J.-C. Liou, J.A. Burns, J.A. Fernández, J.A. Fernández, J.D. Anderson, J.H. Debes, J.H. Oort, J.L. Elliot, J.M. Hahn, J.S. Greaves, K. Grogan, K. Willacy, K.E.S. Ford, K.R. Stapelfeldt, K.Y.L. Su, K.Y.L. Su, L.A. Hillenbrand, L.M. Trafton, M. Duncan, M. Jura, M. Jura, M.C. Liu, M.C. Liu, M.C. Wyatt, M.C. Wyatt, M.E. Brown, M.E. Brown, M.J. Duncan, M.J. Holman, M.J. Kuchner, M.R. Meyer, M.V. Sykes, M.W. Buie, N. Gorlova, N. Gorlova, N. Ouellette, N. Peixinho, N. Siegler, P. Farinella, P. Kalas, P. Kalas, P. Lacerda, P. Lacerda, P. Lacerda, P. Lacerda, P. Thébault, P.J. Francis, R. Gomes, R. Malhotra, R.G. Strom, R.S. Gomes, S. Ida, S. Mostefaoui, S. Takahashi, S. Yamamoto, S.A. Stern, S.C. Tegler, S.F. Dermott, S.F. Dermott, S.J. Kenyon, S.R. Heap, S.S. Sheppard, S.S. Sheppard, S.S. Sheppard, S.S. Sheppard, T. Guillot, T. Lee, V. Catullo, W.F. Bottke, W.J. Baggaley, W.K.M. Rice, W.S. Holland, W.S. Holland, W.S. Holland, W.T. Reach, y Barrado, Y.R. Fernàndez   +133 more
core   +1 more source

From Single Atoms to Nanoparticles: Pathways Toward Efficient and Durable Pt/TiO2 Photocatalysts

Advanced Functional Materials, EarlyView.
Platinum single atoms on TiO2 nanosheets evolve into clusters and nanoparticles under ethanol photoreforming and thermal treatments. By controlling deposition and post‐treatments, particle size and location on specific facets are modulated. The study reveals how stability pathways determine efficiency, guiding the design of more durable photocatalysts.
Juan José Delgado, Enqi Bu, Yaning Han, Carlos López‐Cartes, Mónica Calatayud, Huiyan Pan, Xiaowei Chen   +6 more
wiley   +1 more source

Thermodynamic and magnetic evolution of an eruptive C-class solar flare observed with SST/TRIPPEL-SP

Astronomy & Astrophysics
Solar flares are complex phenomena driven by the release of magnetic energy, but a large energy reservoir is not sufficient to determine their eruptive potential; the magnetic topology and plasma dynamics play a key role.
Díaz Baso C. J., de la Cruz Rodríguez J., Doerr H.-P., van Noort M., Prasad A., Feller A., Kiselman D.   +6 more
doaj   +1 more source

United Stirling's Solar Engine Development: the Background for the Vanguard Engine [PDF]

, 1984
The development and testing resulting in the Vanguard engine and some of the characteristics of the Stirling engine based power conversion unit are described.
Holgersson, S.
core   +1 more source

Implications of a solar-system population of massive 4th generation neutrinos for underground searches of monochromatic neutrino-annihilation signals [PDF]

, 2002
It has been recently pointed out that any primary galactic population of Weakly Interacting Massive Particles (WIMP) generates, through collisions with solar matter, a secondary population of ``slow'' WIMPs trapped in the inner solar system. We show that
Bahcall, Belotsky, Belotsky, Belotsky, Bergström, Damour, Damour, Dolgov, Fargion, Fargion, Fargion, Gaisser, Gershtein, Golubkov, Golubkov, Gould, Green, Ilyin, Jungman, K.M. Belotsky, Krauss, Lee, M.Yu. Khlopov, Maltoni, Maltoni, T. Damour, Vysotsky   +26 more
core   +3 more sources

Development of Automatic Solar Tracking System for Small Solar Energy System [PDF]

International Journal of Engineering & Technology, 2018
The main purpose of this paper is to present a novel idea that is based on design and development of an automatic solar tracker system that tracks the Sun's energy for maximum energy output achievement. In this paper, a novel automatic solar tracking system has been developed for small-scale solar energy system.
Mohamud Ahmed Musse, Mohammad Kamrul Hasan, Muhammad Shafiq   +2 more
openaire   +1 more source

Intrabandgap States Engineering in Functionalized Nanodiamond to Generate Solvated Electrons for Photocatalysis Under Solar Illumination

Advanced Functional Materials, EarlyView.
The negative electron affinity of diamond allows to emit highly reductive electrons. By introducing intra‐bandgap states and an optimized electron transfer mechanism by surface functionalization with Ru(bpy)3, the formation of solvated electrons is achieved upon solar irradiation.
Benjamin Kiendl, Arsène Chemin, Adam H. Day, Rocio B. Rodriguez, Sneha Choudhury, Franziska Buchner, Kaan Atak, Christoph Merschjann, Emina Hadzifejzovic, Tim D. W. Claridge, Karin Larsson, Amélie Venerosy, Mailis M. Lounasvuori, Natalia Zabarska, Boyan Iliev, Thomas J. S. Schubert, Hugues A. Girard, Jean‐Charles Arnault, John S. Foord, Tristan Petit, Anke Krueger   +20 more
wiley   +1 more source