Results 291 to 300 of about 156,622 (327)

Mn-doped ZnO nanopowders prepared by sol-gel and microwave-assisted sol-gel methods and their photocatalytic properties. [PDF]

Beilstein J Nanotechnol
Vlăduț CM, Anastasescu C, Preda S, Mocioiu OC, Petrescu S, Pandele-Cusu J, Culita D, Bratan V, Balint I, Zaharescu M.   +9 more
europepmc   +1 more source

Mapping the Sun's coronal magnetic field using the Zeeman effect. [PDF]

Sci Adv
Schad TA, Petrie GJD, Kuhn JR, Fehlmann A, Rimmele T, Tritschler A, Woeger F, Scholl I, Williams R, Harrington D, Paraschiv AR, Szente J.   +11 more
europepmc   +1 more source

Letter [solar eclipse]

The Astronomical Journal
openaire   +2 more sources

Solar retinopathy: A literature review.

Oman J Ophthalmol
Jourieh M.
europepmc   +1 more source

Nanostructured Fe₂O₃/Cu _x O heterojunction for enhanced solar redox flow battery performance.

J Mater Chem A Mater
Ma J, Sabzehparvar M, Pan Z, Tagliabue G.   +3 more
europepmc   +1 more source

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Cajal on Solar Eclipse

European Neurology, 2007
An impression that sculpted a lasting memory on the mind of the great neuroanatomist Santiago Ramón y Cajal, an 8-year-old boy at the time, was the total solar eclipse of 18 July 1860. This short article provides a translation of the relevant passage, found in a 1933 Buenos Aires schoolbook, and places the celestial event at the crossroads of ...
Lazaros C. Triarhou, Manuel del Cerro
openaire   +3 more sources

Eclipse Instrumentation for the Solar Corona

Applied Optics, 1970
The expedition of the Harvard College Observatory, the Smithsonian Astrophysical Observatory, and the National Geographic Society to Miahuatlán, Mexico, to observe the total solar eclipse of 7 March 1970, is described. Instrumentation included a coronal spectrograph, television cameras recording on videotape, telescopes for photography of coronal ...
Jay M. Pasachoff, D. H. Menzel
openaire   +3 more sources

Influence of a solar eclipse on twilight

Applied Optics, 1994
The morning twilight of the presunrise sky was measured at the Hoher-List Observatory during the total eclipse of 22 July 1990. The location of observation was far away from the central eclipse zone. The luminance showed a deep minimum in twilight during the main phase of the solar eclipse compared with normal conditions. A first order scattering model
Michael J. Hoffmann, Edward H. Geyer, H. Volland   +2 more
openaire   +3 more sources