Results 211 to 220 of about 132,957 (262)
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Manipulation of gel emulsions by variable microchannel geometry
Lab Chip, 2009In this article we investigate the morphology and manipulation of monodisperse emulsions at high dispersed phase volume fractions (gel emulsions) in a microfluidic environment. Confined monodisperse gel emulsions self-organize into well-ordered droplet arrangements, which may be stable or metastable, depending on the geometry of the confining ...
Surenjav, E. +3 more
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Inverse kinematics of variable‐geometry truss manipulators
Journal of Robotic Systems, 1991AbstractA new class of robotic arm consists of a periodic sequence of truss substructures, each of which has several variable‐length members. Such variable‐geometry truss manipulators (VGTMs) are inherently highly redundant and promise a significant increase in dexterity over conventional anthropomorphic manipulators.
Frank Naccarato, Peter Hughes
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A variable geometry of enforcement?
Crime, Law and Social Change, 1995This paper locates the control of fraud against the Community budget within the wider context of the tensions engendered by fiscal crises and successive enlargements of the European Union. Funds allocated to the Member States for agriculture, whether in the form of subventions or structural grants, take up more than half of total budget expenditure, so
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Geometry underlying no-hidden-variable theorems
Physical Review Letters, 1991Summary: The set of orientations of a measuring device (e.g., a Stern-Gerlach magnet) produced by the action of a Lie group constitutes a honmogeneous space \(S\) (e.g., a sphere). A hidden-variable measure determines a metric \(D\) on \(S\), the triangle inequality being Bell's inequality.
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Geometry of Poincaré's Variables and the Secular Planetary Problem
Celestial Mechanics and Dynamical Astronomy, 2004zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Control of the Variable-Geometry Suspension
2016A variable-geometry suspension system is applied as a driver assistance system in vehicles. While the driver performs a maneuver using the steering wheel, an autonomous control system modifies the camber angle of the front wheels in order to improve road stability.
Péter Gáspár +3 more
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A variable geometry photofragment spectrometer
Journal of Physics E: Scientific Instruments, 1986A new design of high resolution, variable geometry, pulsed supersonic molecular beam photofragment spectrometer is presented and its advantages over a perpendicular design are discussed. A detailed analysis of the centre-of-mass-laboratory kinematic transformations for arbitrary geometry is provided for a general centre-of-mass velocity distribution ...
N P Johnson, M D Barry, P A Gorry
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Random Variables: Topology and Geometry
2020We have already equipped the set of random variables defined on a given sample space with the structure of an ordered vector space. Once a probability measure is specified, one can define a family of norms, the so-called p-norms, on the space of random variables. One of these norms, namely the 2-norm, arises from an inner product.
Pablo Koch-Medina, Cosimo Munari
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A further case for variable geometry
The Aeronautical Journal, 2012AbstractToday, all sailplanes in any particular class look and perform more or less the same. This gives credence to the view that the necessary compromises in design and sailplane technology have reached a limit. Sailplane development is on a sort of plateau.
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On the Geometry of the Instrumental Variable Estimator*
Oxford Bulletin of Economics and Statistics, 2009AbstractI derive the exact distribution of the exact determined instrumental variable estimator using a geometric approach. The approach provides a decomposition of the exact estimator. The results show that by geometric reasoning one may efficiently derive the distribution of the estimation error.
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