Results 21 to 30 of about 112,180 (285)
Orbital Lymphoma Masquerading as Orbital Cellulitis [PDF]
Case Reports in Ophthalmological Medicine, 2021 Background. Orbital lymphomas are primarily non-Hodgkin type and can originate from the eyelids, extraocular muscles, soft tissue orbital adnexa, conjunctiva, or lacrimal glands. Orbital malignancies often represent a diagnostic dilemma for clinicians given their varying and atypical presentations. Objective.
B. D. Chaurasiya +5 more
openaire +3 more sources
Artificial halo orbits for low-thrust propulsion spacecraft [PDF]
, 2009 We consider periodic halo orbits about artificial equilibrium points near to the Lagrange points L1 and L2 in the circular restricted three-body problem, where the third body is a low-thrust propulsion spacecraft in the Sun-Earth system.
Baig, Shahid, McInnes, Colin R.
core +3 more sources
Actinomycosis of the Orbit [PDF]
Ophthalmic Plastic & Reconstructive Surgery, 1992 Actinomycosis is a very rare cause of orbital abscess usually attributable to direct spread from adjacent structures. A case of actinomycosis of the orbit is presented, which was treated as orbital pseudotumour for 3 months before progression of signs and symptoms, despite high dose steroids, led to the diagnosis being reconsidered.
Sullivan, TJ, Aylward, GW, Wright, JE
openaire +5 more sources
Changes in Orbital Volume following Reconstruction with Alloplastic Materials in Patients with Orbital Trauma [PDF]
Journal of DentistryBackground: Internal orbital reconstruction is a commonly performed procedure in management of zygomaticomaxillary complex (ZMC) fractures; however, it is not indicated in all cases.
Mohammadsaleh Khaghaninejad +3 more
doaj +1 more source
Observational data and orbits of the asteroids discovered at the Molėtai Observatory in 2010–2012
Open Astronomy, 2017 This paper is devoted to the discovery of asteroids at the Molėtai Astronomical Observatory (MAO) in 2010- 2012 together with the orbital analysis of two dynamically interesting Near Earth Objects (NEOs) discovered at the MAO, namely 2006 SF77 and 2010 ...
Włodarczyk Ireneusz +2 more
doaj +1 more source
Open Astronomy, 2022 The results of observations of selected stars orbiting the central body of our Galaxy, which, according to the latest data, has a mass of about 4 million of solar mass, are considered.
Shakht Natalia A. +2 more
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Displaced periodic orbits with low-thrust propulsion [PDF]
, 2009 Solar sailing and solar electric technology provide alternative forms of spacecraft propulsion. These propulsion systems can enable exciting new space-science mission concepts such as solar system exploration and deep space observation.
Simo, Jules, McInnes, Colin R.
core +2 more sources
A Note on Graphs with Prescribed Orbit Structure
Entropy, 2019 This paper presents a proof of the existence of connected, undirected graphs with prescribed orbit structure, giving an explicit construction procedure for these graphs. Trees with prescribed orbit structure are also investigated.
Abbe Mowshowitz +2 more
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The dynamical environment of the primary in the triple asteroid (45) Eugenia
Open Astronomy, 2020 We investigated the dynamical behavior in the potential of the primary in the triple asteroid (45) Eugenia with the calculation of the full gravitational potential caused by its 3D irregular shape.
Jiang Min, Ma Qingtian
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Satellite Requirements for Observation of Close Proximity Celestial Bodies
Engineering Proceedings, 2022 Celestial bodies of our solar system remain as a major unexplored and unexploited reserve of natural resources available to humans. Furthermore, those constitute a valuable source of information about the origins and evolution of the solar system and an ...
Juan Misael Gongora-Torres +4 more
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