نتایج جستجو برای: orbital parameters
تعداد نتایج: 615292 فیلتر نتایج به سال:
Since the beginning of 2012, Borexino collaboration has been reporting precision measurements solar neutrino fluxes, emitted in proton-proton chain and Carbon-Nitrogen-Oxygen cycle. The experimental sensitivity achieved Phase-II Phase-III data taking made it possible to detect annual modulation interaction rate due eccentricity Earth's orbit, with a statistical significance greater than 5$\sigm...
The dynamical parameters conventionally used to specify the orbit of a test particle in Kerr spacetime are the energy E, the axial component of the angular momentum, L z , and Carter's constant Q. These parameters are obtained by solving the Hamilton-Jacobi equation for the dynamical problem of geodesic motion. Employing the action-angle variable formalism, on the other hand, yields a different...
The main variations of ice volume of the last million years can be explained from orbital parameters by assuming climate oscillates between two states: glaciations and deglaciations (Parrenin and Paillard, 2003; Imbrie et al., 2011) (or terminations). An additional combination of ice volume and orbital parameters seems to form the trigger of a deglaciation, while only orbital parameters seem to...
PURPOSE Although orbital floor fractures are frequently treated by the Ethisorb patch or polydioxanone foil, the utility of these treatments in extensive fractures remains controversial. The purpose of this study was to examine objectively the extent to which such flexible absorbable materials can restore orbital geometry in comminuted and defect fractures. MATERIALS AND METHODS Twenty-one pa...
Orbital complications categorised by Chandler are emergency. They need early diagnosis and agresive treatment. Stage and origin of orbital complications are identified by rhinoendoscopy, ophtalmologic examination and CT of orbite and paranasal sinuses. Periorbital cellulitis and early stage of orbital cellulitis can be treated conservatively with i. v. antibiotics. Monitoring of laboratory para...
INTRODUCTION Graves' ophthalmopathy is characterized by an increase in the volume of orbital soft tissue contents and an associated increase in intraorbital pressure. Surgical expansion of bony orbital volume is therefore an effective method of treating moderate to severe exophthalmos. Numerous correlations between specific decompression procedures and reduction of proptosis have been made. The...
The excitation spectrum of the one-dimensional spin-orbital model in a magnetic field is studied, using a recently developed dynamical density matrix renormalization group technique. The method is employed on chains with up to 80 sites, and examined for test cases such as the spin-1/2 antiferromagnetic Heisenberg chain, where the excitation spectrum is known exactly from the Bethe Ansatz. In th...
Background and Aimi: Complication of sinusitis is a medical emergency. The purpose of this study was to determine the incidence of sinusitis in patients admitted with orbital and intracranial infections.Patient and Methods: A descriptive-retrospective study was conducted from March 2000 to Feb 2004 on 74 pediatric patients admitted with intracranial and orbital infections. Patient informati...
We have carried out high-precision timing measurements of the binary millisecond pulsar PSR J2051−0827 with the Effelsberg 100-m radio telescope of the Max-Planck-Institut für Radioastronomie and with the Lovell 76-m radio telescope at Jodrell Bank. The 6.5-yrs radio timing measurements have revealed a significant secular variation of the projected semi-major axis of the pulsar at a rate of ẋ ≡...
BACKGROUND AND PURPOSE Patients with LS have an inborn growth hormone resistance, resulting in failure to generate IGF-1. The purpose of this study was to evaluate the size of the eye and orbit in LS. MATERIALS AND METHODS We retrospectively reviewed the MR imaging of the brain in 9 patients with LS for the following parameters: axial diameter of the globe, interzygomatic distance, perpendicu...
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