Results 241 to 250 of about 541,779 (282)

Aluminum nanoparticle enhanced TiO₂ photocatalysis of organic pollutants under solar and UV-B irradiation. [PDF]

NPJ Clean Water
Wasim S, Loeb SK.
europepmc   +1 more source

Substorm expansion embedded in a global cycle of field-aligned currents and auroral electrojets. [PDF]

Nat Commun
Wang T, Dai L, Escoubet CP, Gonzalez W, Ren Y, Zhu M, Wang S, Wang C, Wang X, Wang K, Liu J.   +10 more
europepmc   +1 more source

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Solar Neutrino Data Covering Solar Cycle 22

Physical Review Letters, 1996
Results from 1036 days of solar neutrino data accumulated in the upgraded Kamiokande detector (Kamiokande III) are presented. The $^{8}\mathrm{B}$ solar neutrino flux observed in Kamiokande III is ${2.82}_{\ensuremath{-}0.24}^{+0.25}$ (stat) \ifmmode\pm\else\textpm\fi{} 0.27 (syst) \ifmmode\times\else\texttimes\fi{} ${10}^{6}$ ${\mathrm{cm ...
Y. Fukuda, T. Hayakawa, K. Inoue, K. Ishihara, H. Ishino, S. Joukou, T. Kajita, S. Kasuga, Y. Koshio, T. Kumita, K. Matsumoto, M. Nakahata, K. Nakamura, K. Okumura, A. Sakai, M. Shiozawa, J. Suzuki, Y. Suzuki, T. Tomoeda, Y. Totsuka, K. S. Hirata, K. Kihara, Y. Oyama, M. Koshiba, K. Nishijima, T. Horiuchi, K. Fujita, S. Hatakeyama, M. Koga, T. Maruyama, A. Suzuki, M. Mori, T. Kajimura, T. Suda, A. T. Suzuki, T. Ishizuka, K. Miyano, H. Okazawa, T. Hara, Y. Nagashima, M. Takita, T. Yamaguchi, Y. Hayato, K. Kaneyuki, T. Suzuki, Y. Takeuchi, T. Tanimori, S. Tasaka, E. Ichihara, S. Miyamoto, K. Nishikawa   +50 more
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Analyzing Solar Cycles

Science, 2011
Does the recent longer-than-usual minimum in sunspot activity indicate that we are heading for an extended period of solar inactivity?
Solanki, S., Krivova, N.
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Solar Activity, Solar Cycle, Coordinates

1996
The structure and the dynamics of the upper atmosphere depend on the energy input from the Sun via extreme ultraviolet and X-ray radiation (XUV) and on the properties of the solar wind. Contrary to the good temporal stability of the Sun’s radiation intensity at longer wavelengths (from infrared to near ultraviolet) the energy output of the Sun is ...
Walter Dieminger, Gerd K. Hartmann, Reinhart Leitinger   +2 more
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The solar cycle

Physics Today, 1982
Nearly 140 years have elapsed since the German apothecary and amateur astronomer Samuel Heinrich Schwabe reported discovery of the solar cycle. “From my earlier observations,” Schwabe wrote in 1843, “it appears that there is a certain periodicity in the appearance of sunspots and this theory seems more and more probable from the results of this year ...
Gordon Newkirk, Kendrick Frazier
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Prediction of Solar Cycle Maximum Using Solar Cycle Lengths

Solar Physics, 2008
If the rise time RT, fall time FT, and total time TT (i.e., RT+FT) of a solar cycle are compared against the maximum amplitude Rz(max ) for the following cycle, then only the association between TT and Rz(max ) is inferred to be well anticorrelated, inferring that the larger (smaller) the value of Rz(max ) for the following cycle, the shorter (longer ...
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Solar cycles and malignant melanoma

Medical Hypotheses, 1979
There has been a sixfold increase in the incidence of malignant melanoma in the State of Connecticut during the past forty years. Superimposed on a steady incidence rise are cycles of markedly increased incidence rates which follow periods of maximum sunspot activity. We propose that the effect of sunspot cycles on human melanoma occurrence is mediated
M V, Viola, A, Houghton, E W, Munster
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Solar cycle 23

2007
Ulysses’ launch in October of 1990 was at the maximum of solar activity cycle 22. The first passages through the polar regions of the heliosphere came in 1994 and 1995, very near the minimum of activity between cycles 22 and 23. The second orbit then took Ulysses through the polar regions in 2000 and 2001, at the maximum of solar activity for cycle 23,
David H. Hathaway, Steven T. Suess
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The solar cycle: predicting the peak of solar cycle 25

Astrophysics and Space Science, 2020
Motivated by a successful prediction on the peak of solar cycle 24 (81.7, comparable to the observed 81.9, Du in Astrophys. Space Sci. 338:9, 2012), based on the logarithmic relationship between the maximum amplitude ( $R_{ \mathrm{m}}$ ) of a solar cycle and the preceding minimum $aa$ geomagnetic index ( $aa_{\mathrm{min}}$ ), we perform a ...
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