Results 11 to 20 of about 1,686,057 (374)

Microlensing in the double quasar SBS 1520+530 [PDF]

open access: yesAstronomy & Astrophysics, 2005
6 pages, 7 figures.
Joachim Wambsganss   +13 more
openaire   +5 more sources

Periodic radio variability in NRAO 530: phase dispersion minimization analysis [PDF]

open access: yes, 2012
A periodicity analysis of the radio light curves of the blazar NRAO 530 at 14.5, 8.0, and 4.8 GHz is presented employing an improved phase dispersion minimization technique. The result, which shows two persistent periodic components of ∼ 6 and ∼ 10 yr at
Junlin Lu   +4 more
semanticscholar   +3 more sources

VHF and L-band scintillation characteristics over an Indian low latitude station, Waltair (17.7° N, 83.3° E) [PDF]

open access: yesAnnales Geophysicae, 2005
Characteristics of simultaneous VHF (244 MHz) and L-band (1.5 GHz) scintillations recorded at a low-latitude station, Waltair (17.7° N, 83.3° E), during the low sunspot activity year of March 2004 to March 2005, suggest that the occurrence of ...
P. V. S. Rama Rao   +5 more
doaj   +1 more source

5:30 in Negril

open access: yesCaribbean Quilt, 2012
Born in Moscow, Russia and raised in Kingston, Jamaica, Tammy Ronique Williams is a second year student at the University of Toronto, where she is pursuing an Honours Bachelor's Degree in English and Caribbean Studies, with a minor in Russian. She hopes
Tammy Ronique Williams
doaj   +1 more source

Optimization of Cultural Conditions for Production of Antibacterial Metabolites from <i>Streptomyces coelicoflavus</i> BC 01

open access: yesNotulae Scientia Biologicae, 2015
The aim of the present study was to optimize various cultural conditions for the production of antibacterial metabolites by Streptomyces coelicoflavus BC 01 isolated from mangrove soil, Visakhapatnam, Andhra Pradesh, India.
Kothagorla Venkata RAGHAVA RAO   +3 more
doaj   +3 more sources

HF Doppler radar observations of sporadic E at an Indian low latitude station, Visakhapatnam [PDF]

open access: yesAnnales Geophysicae, 2009
5.5 MHz HF Doppler radar observations of Sporadic E over an Indian low latitude station, Visakhapatnam (17.7° N, 83.3° E and Dip 20°) with 10 s resolution showed quasi-periodic variations of the echo strength and Doppler velocity ...
M. S. S. R. K. N. Sarma   +2 more
doaj   +1 more source

Kinetics and Thermodynamics of Uranium Adsorption Using Impregnated Magnetic Graphene Oxide [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2020
Magnetic Graphene Oxide(MGO) impregnated Di(2-Ethyl Hexyl)Phosphoric Acid (D2EHPA) (DMGO) was prepared by multi-impregnation. The structures of GO and DMGO were characterized by FT-IR, TGA, EDX, SEM, and XRD.
Mohamed A. Gado   +2 more
doaj   +1 more source

Microstructural and magnetic properties of Ni1-xCuxFe2O4 (x = 0.05, 0.1 and 0.15) nano-crystalline ferrites

open access: yesJournal of Science: Advanced Materials and Devices, 2018
:: An attempt was made to synthesize Ni1-xCuxFe2O4 (x = 0.05, 0.1 and 0.15) nano-crystalline ferrites by sol–gel auto-combustion method and study their micro-structural, magnetic and dielectric properties. From the X-ray diffraction patterns, the lattice
K.Vijaya Babu   +4 more
doaj   +1 more source

MON-530 Hypoparathyroidism in Sweden

open access: yesJournal of the Endocrine Society, 2019
Introduction: Hypoparathyroidism (HP) is a rare disorder. It is characterized by low serum calcium and inappropriately low parathyroid hormone (PTH) levels. Patients with HP suffer from renal, vascular and neural complications but knowledge about the extent and prevalence of these are sparse.
Wafa Kamal   +4 more
openaire   +2 more sources

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