نتایج جستجو برای: fullers earth

تعداد نتایج: 93561  

یوسفعلی عابدینی, ,

  This work is a study of the Earths free oscillations considering a merge of solid and liquid model. At the turn of 19th century Geophysicists presented the theory of the free oscillations for a self-gravitating, isotropic and compressible sphere. Assuming a steel structure for an Earth size sphere, they predicted a period of oscillation of about 1 hour. About 50 years later, the free oscillat...

B.Ebrahimian and M.Vafaeian,

In spite of the fact that the effect of earthquake on earth dams has been widely studied during the past decades, the complicated behavior of such earth structures against different seismological characteristics is still unknown. Such ambiguities necessitate more accurate studies using more comprehensive computation tools to achieve new results describing the behavior of such structures subject...

2017
Junichi Miyazaki Akiko Makabe Yohei Matsui Naoya Ebina Saki Tsutsumi Jun-ichiro Ishibashi Chong Chen Sho Kaneko Ken Takai Shinsuke Kawagucci

1 Department of Subsurface Geobiological Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan, 2 Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan, 3 Project Team for Development of New-generation Research Protocol for Submarine Resources, Japan Agency for Marine-Earth ...

2013
Gavin L. Foster Bärbel Hönisch Guillaume Paris Gary S. Dwyer James W.B. Rae Tim Elliott Jérôme Gaillardet N. Gary Hemming Pascale Louvat Avner Vengosh

a Bristol Isotope Group, Department of Earth Sciences, University of Bristol, Wills Memorial Building, Bristol BS8 1RJ, United Kingdom b Department of Earth and Environmental Sciences and Lamont–Doherty Earth Observatory of Columbia University, 61 Route 9W, Palisades, NY 10964, United States c Institut de Physique du Globe de Paris, Sorbonne Paris Cité Université Paris-Diderot, UMR CNRS 7154, 1...

1999
Jaegwan Chung Junghwan Park Byung-Hee Choi

We studied the electronic structure of rare-earth ditelluride (ReTe2: Re = La, Pr, Sm, and Gd) using photoemission spectroscopy. From the x-ray photoelectron spectroscopy (XPS) study of the 3d core levels of rare-earth elements, we found that all the rare earth elements are trivalent. We have also made theoretical calculations using the Gunnarsson and Schönhammer approximation and multiplet cal...

2008
C. J. Ebinger D. Keir A. Ayele E. Calais T. J. Wright M. Belachew J. O. S. Hammond E. Campbell W. R. Buck

C. J. Ebinger,1,2 D. Keir,2,3 A. Ayele,4 E. Calais,5 T. J. Wright,3 M. Belachew,1,4 J. O. S. Hammond,6 E. Campbell1 and W. R. Buck7 1Department of Earth and Environmental Sciences, University of Rochester, Rochester, NY 14627, USA. E-mail: [email protected] 2Department of Geology, Royal Holloway University of London, Egham, TW20 0EX, UK 3School of Earth and Environmental Sciences, Uni...

1996
Wei Gao Paul R. Berger Matthew H. Ervin Jagadeesh Pamulapati Richard T. Lareau Stephen Schauer

High-quality In0.53Ga0.47As epilayers have been grown on semi-insulating ~100! Fe-doped InP substrates. The growths were performed by liquid phase epitaxy ~LPE! using rare-earth-doped melts in a graphite boat. The rare-earth elements studied were Yb, Gd and Er which act as gettering agents of impurities. Hall measurements show an elevated electron mobility for rare-earth-treated samples over un...

2018
Torben Stichel Katharina Pahnke Brian Duggan Steven L. Goldstein Alison E. Hartman Ronja Paffrath Howie D. Scher

1 School of Ocean and Earth Sciences, University of Hawaii at Manoa, Honolulu, HI, United States, Max Planck Research Group for Marine Isotope Geochemistry, Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Oldenburg, Germany, Department of Earth and Ocean Sciences, University of South Carolina, Columbia, SC, United States, 4 Lamont-Doherty Earth Observator...

2013
Donald E. Penman Bärbel Hönisch E. Troy Rasbury N. Gary Hemming Howard J. Spero

a Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, 10964-8000, USA b Department of Earth and Planetary Science, University of California at Santa Cruz, Santa Cruz, CA, 95064, USA c Department of Geosciences, State University of New York at Stony Brook, Stony Brook, NY, 11794, USA d School of Earth and Environmental Scienc...

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