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High and Ultra-high Vacuum Pressure Profile and Its Gradient of the Conic Tube
Vacuum systems commonly have many of their parts in a tubular shape, in particular the pum** lines. This paper presents analytical and numerical...
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General Solution and Canonical Quantization of the Conic Path Constrained Second-Class System
We consider the problem of constrained motion along a conic path under a given external potential function. The model is described as a second-class...
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Simultaneous correction of primary aberrations through wearing silicone hydrogel contact lens
One of the main challenges of wearing contact lenses is their effect on the vision of the human eye. In this work, a simulation approach is presented...
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Particles and Photons as Drivers for Particle Release from the Surfaces of the Moon and Mercury
The Moon and Mercury are airless bodies, thus they are directly exposed to the ambient plasma (ions and electrons), to photons mostly from the Sun...
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Specific Features of Electron Runaway in a Gas Gap with a Conical Cathode
AbstractThe conditions and dynamics of electron runaway in a gas gap with an inhomogeneous electric field distribution due to the use of a conic...
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Pre-flight Calibration and Near-Earth Commissioning Results of the Mercury Plasma Particle Experiment (MPPE) Onboard MMO (Mio)
BepiColombo Mio (previously called MMO: Mercury Magnetospheric Orbiter) was successfully launched by Ariane 5 from Kourou, French Guiana on October...
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Optimization of Earth-Mars transfer trajectories with launch constraints
This report describes a study involving the design and optimization of Earth-Mars transfer trajectories with launch constraints by taking the Chinese...
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Generation of Electron–Positron Pairs upon Grazing Incidence of a Laser Pulse on a Foil
AbstractThe generation of electron–positron pairs from the interaction of laser radiation with a flat overcritical target (foil) is studied. The...
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Two Slingshots May Detect Ultraweak Features in the Sun’s Gravity
AbstractA space experiment aimed at specifying the law of the Sun’s gravity more precisely is discussed. An extended “standard flight” scheme with...
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A Gauge Invariant Description for the General Conic Constrained Particle from the FJBW Iteration Algorithm
We consider a second-degree algebraic curve describing a general conic constraint imposed on the motion of a massive spinless particle. The problem...
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Gravitational and electromagnetic radiation from binary black holes with electric and magnetic charges: elliptical orbits on a cone
Extending the electromagnetic and gravitational radiations from binary black holes with electric and magnetic charges in circular orbits in Liu et...
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Effect of echeloned supply of a swirling air flow on particle layer formation in a vortex chamber
The conclusions about the nature of bed fluidization and the rate of polyfractional material entrainment in the cylindrical vortex chamber with the...
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Interplanetary Disturbances
The Sun emits the variable solar wind which interacts with the very local interstellar medium to form the heliosphere. Hence variations in solar...
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On Electromagnetism and Gravity
Electromagnetism and gravity are two of the fundamental forces, and the only two that we know of with an infinite range. These two forces not only...
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The influence of water sorption on the microstructure of a hydro-sensitive granular material (couscous) deduced from simultaneous neutron and X-ray tomography
AbstractThe effects of water on the behaviour of granular materials can be significant. Besides capillary bridges, several other...
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The BepiColombo Mercury Imaging X-ray Spectrometer
The Mercury Imaging X-ray Spectrometer (MIXS) and Solar Intensity X-ray and particle Spectrometer (SIXS) on board the BepiColombo mission are due to...
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Einstein and Projective Geometry
We discuss research notes by Albert Einstein that we identified with considerations on projective geometry and more precisely with involutions. We...
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The BepiColombo Mercury Imaging X-Ray Spectrometer
The Mercury Imaging X-ray Spectrometer (MIXS) and Solar Intensity X-ray and particle Spectrometer (SIXS) on board the BepiColombo mission are due to...
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The AstroSat Observatory
AstroSat is India’s first ultraviolet (UV) and X-ray astronomy observatory in space. The satellite was launched by the Indian Space Research...
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The CMS Experiment at the LHC
CERN, or the European Laboratory for Particle Physics, is an international research centre that operates the largest particle physics laboratory in...