نتایج جستجو برای: orbital frame

تعداد نتایج: 140863  

Journal: :sahand communications in mathematical analysis 2014
migdad ismailov afet jabrailova

the generalization of p-frame in banach spaces is considered in this paper. the concepts of an $tilde{x}$-frame and a system conjugate to $tilde{x}$-frame were introduced. analogues of the results on the existence of conjugate system were obtained. the stability of $tilde{x}$-frame having a conjugate system is studied.

The researcher measured the least number of frequency response functions required for the identification of modal parameters, in order to simplify the identification of modal properties of such systems. In this work, the orbital machines are supposed to be a combination of orbital and non-orbital components. Structural Approach specified the identification of dynamic properties only to those ph...

Journal: :Frontiers in Physics 2023

The speed of light ( c ) in a vacuum is independent the choice frames to describe propagation, according theory relativity. We consider how characterised material, where different from that due finite dielectric constant. phase velocity material smaller than , such moving frame can be larger velocity, move faster material. Consequently, an unusual Doppler effect expected, and wavelength changes...

1996
Siqin Huang

The infall of a satellite galaxy onto a galactic disk generally brings in angular momentum that is not aligned with the axis of the disk. The main dynamical issues addressed are what fraction of the orbital angular momentum of the satellite and the associated energy is added to the disk, as opposed to being left in the halo, and whether the absorbed fraction is added coherently or thermalized i...

2006
S. J. Peale

In determining Mercury's core structure from its rotational properties, the value of the normalized moment of inertia, C/MR 2 , from the location of Cassini 1 is crucial. If Mercury's spin axis occupies Cassini state 1, its position defines the location of the state, where the axis is fixed in the frame precessing with the orbit. Although tidal and core-mantle dissipation drive the spin to the ...

Colorectal carcinoma is a common malignancy in India as well as in world. Inspite of its high metastasizing ability to various organs and lymph node, orbital metastasis is exceptional. Very few cases have been reported in the world literature. We report orbital metastasis in a case of moderately differentiated rectal adenocarcinoma in a 58-year male patient from India in 2015. We want to focus ...

Journal: :journal of current ophthalmology 0
فهیمه اسدی آملی fahimeh asadi amoli علی صادقی طاری ali sadeghi tari ناصر کمالیان naser kamalian هدیه مرادی تبریز hedieh moradi tabriz

purpose : fine needle aspiration (fna) cytologic findings of langerhans cell histiocytosis (lch) have been well described, but using this method in the diagnosis of orbital lesions is a recent experience. we hereby report two cases of orbital bone lch diagnosed by fna that later was confirmed by routine h&e; histopathology and immunohistochemistry (ihc) methods. case reports : the first case wa...

Introduction: Complication of an odontogenic infection to an orbital abscess is not a common presentation. The progression from a simple toothache to a condition that may lead to loss of vision is sudden and severe.   Case Report: We report a rare case in which a patient developed facial cellulitis that progressed to orbital abscess after unsterile dental manipulation by a medical fraudster (“q...

Journal: :Celestial Mechanics and Dynamical Astronomy 2022

We revisit the two-body problem, where one body can be deformed under action of tides raised by companion. Tidal deformation and consequent dissipation result in spin orbital evolution system. In general, equations motion are derived from tidal potential developed Fourier series expressed terms Keplerian elliptical elements, so that variation with amplitude frequency examined. However, this met...

Journal: :IEEE Access 2021

Orbital perturbations caused by the space environment will induce deviations compared with prescribed motion trajectory or dynamic performance of tethered satellite system (TSS). To comprehensively investigate effects orbital on TSS, a precise variable-length element that can describe large deformation and flexibility tether is adopted in this paper to predict deployment dynamics considering pe...

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