Zobrazeno 1 - 10
of 25
pro vyhledávání: '"675"'
Autor:
Ariel N. Deutsch, Gregory A. Neumann, Mikhail A. Kreslavsky, Petr Pokorný, Jose M. Martinez Camacho, David Trang, Noam R. Izenberg, Brett W. Denevi, Anna Galiano, Gianrico Filacchione
Publikováno v:
The Planetary Science Journal, Vol 5, Iss 1, p 8 (2024)
It has been predicted that high equatorial temperatures on Mercury could promote thermal annealing by Ostwald ripening, where nanophase metal particles (a product of space weathering) coalesce and grow into larger, microphase particles, resulting in
Externí odkaz:
https://doaj.org/article/64dff63328fa4aa4830e3e549c31638d
Autor:
Dustin Braden, Pinki Mondal, Taejin Park, José Armando Alanís de la Rosa, Metzli Ileana Aldrete Leal, Rubi Angélica Cuenca Lara, Rafael Mayorga Saucedo, Fernando Paz, Victor Manuel Salas-Aguilar, María de Los Ángeles Soriano-Luna, Rodrigo Vargas
Publikováno v:
Environmental Research Letters, Vol 19, Iss 1, p 014083 (2024)
Information on forest extent and tree cover is required to evaluate the status of natural resources, conservation practices, and environmental policies. The challenge is that different forest definitions, remote sensing-based (RSB) products, and data
Externí odkaz:
https://doaj.org/article/cd64b8bcb70a40e9bb033886a6164d16
Autor:
Alessandro Ignesti, Marisa Brienza, Benedetta Vulcani, Bianca M. Poggianti, Antonino Marasco, Rory Smith, Martin J. Hardcastle, Andrea Botteon, Ian D. Roberts, Jacopo Fritz, Rosita Paladino, Myriam Gitti, Anna Wolter, Neven Tomičić, Sean McGee, Alessia Moretti, Marco Gullieuszik, Alexander Drabent
Publikováno v:
The Astrophysical Journal, Vol 956, Iss 2, p 122 (2023)
We report the serendipitous discovery of an unprecedented interaction between the radio lobe of a radio galaxy and a spiral galaxy. The discovery was made thanks to LOFAR observations at 144 MHz of the galaxy cluster A160 ( z = 0.04317) provided by t
Externí odkaz:
https://doaj.org/article/e4d7848b97e142769208893186cac09b
Autor:
Caleb I. Cañas, Shubham Kanodia, Jessica Libby-Roberts, Andrea S. J. Lin, Maria Schutte, Luke Powers, Sinclaire Jones, Andrew Monson, Songhu Wang, Guđmundur Stefánsson, William D. Cochran, Paul Robertson, Suvrath Mahadevan, Adam F. Kowalski, John Wisniewski, Brock A. Parker, Alexander Larsen, Franklin A. L. Chapman, Henry A. Kobulnicky, Arvind F. Gupta, Mark E. Everett, Bryan Edward Penprase, Gregory Zeimann, Corey Beard, Chad F. Bender, Knicole D. Colón, Scott A. Diddams, Connor Fredrick, Samuel Halverson, Joe P. Ninan, Lawrence W. Ramsey, Arpita Roy, Christian Schwab
Publikováno v:
The Astronomical Journal, Vol 166, Iss 1, p 30 (2023)
We confirm the planetary nature of two gas giants discovered by TESS to transit M dwarfs with stellar companions at wide separations. TOI-3984 A ( J = 11.93) is an M4 dwarf hosting a short-period (4.353326 ± 0.000005 days) gas giant ( M _p = 0.14 ±
Externí odkaz:
https://doaj.org/article/bf0965082847422ea1afe366a028995e
Publikováno v:
Materials Research Express, Vol 10, Iss 4, p 046505 (2023)
In this study, systematic heat treatment routes including solution (980 °C to 1130 °C) and aging (675 °C to 775 °C) processes were used to tailor the microstructural evolution and mechanical performance of a Fe-Ni-Cr based austenitic alloy, stren
Externí odkaz:
https://doaj.org/article/93e1e4e52e1441d6a6c25f7d6250addd
Publikováno v:
Materials Research Express, Vol 9, Iss 1, p 016510 (2022)
The Al _x CoCrFeNi (molar radio, x = 0.6 and 1.2) high entropy alloys (HEAs) were prepared by arc melting and directional solidification at the withdrawal rate of 150 μ m s ^−1 . All microstructures were characterized by x-ray diffraction, optical
Externí odkaz:
https://doaj.org/article/190ae37e88374438b63cafc225edef3e
Publikováno v:
Materials Research Express, Vol 9, Iss 2, p 026401 (2022)
Herein we report on the effect of varied spin-coated seed layer concentrations of Iron (III) chloride hexahydrate (FeCl _3 .6H _2 O) on the photoelectrochemical performance of hydrothermally synthesized hematite nanorods. The seed layers were prepare
Externí odkaz:
https://doaj.org/article/6e87c18d1f314b8faa48d6c44b5a520b
Autor:
Hongbin Ma, Jinhui Wang
Publikováno v:
Materials Research Express, Vol 8, Iss 6, p 066507 (2021)
The effect of Y on microstructure, mechanical properties, and damping properties of the extruded and annealed Mg–1Al– x Y ( x = 4, 6, 8) alloys has been studied. The grain sizes of Mg–Al–Y alloys decreased with the increase of Y. The mechanic
Externí odkaz:
https://doaj.org/article/bb5ffd6891f7477b916f97af7be1c2cd
Publikováno v:
Laser Physics Letters; Sep2011, Vol. 8 Issue 9, p672-677, 6p
Autor:
Liu, F.Q., He, J.L., Sun, S.Q., Xu, J.L., Zhang, B.T., Yang, H.W., Xu, J.Q., Gao, C.Y., Zhang, H.J.
Publikováno v:
Laser Physics Letters; Aug2011, Vol. 8 Issue 8, p579-582, 4p