How To Use Dipole In A Sentence
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By this time, Dad and I had replaced the old dipole with a short Yagi array, horizontally polarized of course, and screwed to one of the crossbeams in the attic, so now we had three channels with excellent reception.
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The main component of the Earth's field – which defines the magnetic poles – is a dipole generated by the convection of molten nickel-iron in the outer core the inner core is solid, so its role is secondary; remember that the Earth's core is well above the Curie temperature, so the iron is not ferromagnetic.
Does Zonal Swishing Play a Part in Earth's Magnetic Field Reversals? | Universe Today
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The most common is what's called a dipole antenna, a good example being those T-shaped, plastic covered wires that came with home stereo sets once upon a time.
Nashuatelegraph.com local, state, business and sports news
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We derive an accurate and analytical expression for electromagnetic fields of a vertical magnetic dipole over an anisotropic uniaxial medium half-space.
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The metacentric height can be selectively varied by varying the relationship of center of gravity to that of the dipole mass system with respect to the metacenter of the gravity gradiometer.
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The rotation depends on the scalar product of the electric dipole and magnetic dipole transition moments.
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In a simple dipole, the balun assures that the dipole, and not the feed line, is doing the radiating!
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During seminars at Göttingen on the magnetic resonance techniques of Rabi and of Kastler, it had occurred to me that because of the analogy between an atom and a radio dipole antenna, (a), alignment of the atom should show up in its optical absorption cross section, and (b), electron impact should produce aligned excited atoms.
Hans G. Dehmelt - Autobiography
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Dielectric constants of nonpolar solvents arise from induced dipoles.
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Ampère proposed electrical currents in atoms to explain magnetism and Poisson showed how electrostatic induction could be explained by assuming atomic dipoles.
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The result would be quite different if the magnetic dipoles were composed instead of free monopoles, analogous to electric charges.
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A revealing difference between gravitational and electromagnetic radiation is that dipole radiation is absent in the gravitational case.
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In this case a substantial internal magnetic dipole moment is expected.
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The big magnetic sausages are called dipoles, and the bundled cables connecting each one to its end-to-end neighbor are packed inside copper casings the size of a cigarette lighter.
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The frequency response of radiation pattern a linear dipole antenna by Hertz dipoles field summation approximation.
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No resistive voltage appeared on the dipoles of the circuit, so that the quench of any magnet can be excluded as initial event.
LHC - Take 2
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The equipotential is then formed by the dipole curve 1).
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If there is a separation of charge in an bond, it possesses a dipole.
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For gold and silver particles smaller than 50 nm, the electric dipole moment dominates higher-order optical multipolar moments, and absorption exceeds scattering as a mechanism for optical extinction.
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In this way, temporary dipoles are propagated through a liquid or solid.
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The distance variation of radiation pattern in the near field of an electric Hertz dipoles.
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Transmitter and receiver are supplied fully enclosed in housings measuring 45 x 55 x 15 mm with connectors for external dipole antennas.
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A hydrogen bond is a dipole dipole interaction that occurs between any molecule with a bond between a hydrogen atom and any of oxygen / fluorine / nitrogen.
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The interactions of the individual dipoles in a magnet do not depend on any particular direction, and their dynamics are rotationally invariant.
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A dipole moment of less than or equal to 1 debyes is preferred.
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Some parameters such as molar refractivity, frontier orbit energy, dipole moment, atom net charge of triazines were obtained by using the method of quantum-chemistry calculation.
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These align constructively along the helical axis to form macrodipoles (positive axis N-terminal) of 39, 43, and 59 debyes.
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There is a slight separation between the positive and negative charges, causing a small electric dipole in each cell.
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The succeeding positive slope arises due to the orientation of the headgroup dipoles.
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Together, the two ends of the dumbbell were a pair of magnetic dipoles and opposites of each other, but were separated by a significant distance.
Ars Technica
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The results show that the method can skip over the P-Wave and exactly pick the first S-Wave arrival in dipole shear wave log in slow formation.
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In the material world this is quite exceptional because magnetic particles are usually observed as dipoles, north and south combined.
Monday
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Another strategy was to create "electrochromic dyes" with large changes in dipole moment between ground and excited state, so that a change in neuronal membrane potential could shift the peak wavelengths of absorbance or fluorescence4.
Roger Y. Tsien - Autobiography
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A common magnet has two poles and is called a dipole, one with four poles, a quadrupole, one with six, a hexapole etc.
The Nobel Prize in Physics 1989
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In order for a planet to possess a magnetosphere it need not have an internal magnetic dipole moment.
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I was especially proud of this one I got from South America (on a 40-meter dipole, which is the equivalent of getting Radio Free Europe through the braces in your mouth).
Dit-dit dit-dah dah-dit
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A microwave field will then interact with this system as two dipoles or a net quadrupole, which causes the vertices to oscillate and the tetrahedron is deformed by being periodically squashed and distended in resonance with the microwave field.
Quantum Hyperion
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RF welding is most useful for joining plastics that have strong dipoles such as PVCs, polyurethanes, and nylons.
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This charge separation, called a dipole moment, wouldn't be strong enough to rip the wandering electron away from the giant atom.
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Continuing his work as a Ph.D. student, Markus Greiner used the unobscured optical access to load the Bose-Einstein condensate into a three-dimensional optical dipole force lattice potential formed at the intersection of three orthogonal far-detuned standing wave laser fields.
Theodor W. Hänsch - Autobiography
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Light fastness of anthraquinone dyes was affected by many factors and it was mainly determined by dye structures, such as the kinds and position of substituent groups, dipole moment of the molecule.
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All dipoles are aligned along the force lines of external voltage.
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So we build radio telescopes, giants dishes or arrays of dishes, or even dipoles, that collect this radio light.
Archive 2008-11-03
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The dipoles observed in the cosmic temperature are due to the Doppler Effect caused by the movements of our galaxy.
Unthreaded #19 « Climate Audit
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The basic pulsar model involves a magnetic dipole field tilted with respect to the rotation axis, beaming radio waves along the dipole axis as the star spins.
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In a covalent diatomic molecule, a difference in the electronegativity of the atoms will result in a dipole moment.
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The technique uses the unique polarizations of evanescent waves generated by total internal reflection to excite the dipole moment of individual fluorophores.
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The slight magnetism of the rubidium atoms, called a dipole moment, may form the pattern, he says.
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The dipoles in the remaining four sectors will be equipped in 2010.
LHC 2009 Restart
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This lattice can trap the neutral atoms in potential wells because the electric fields of the lasers induce a dipole moment in the atom.
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A digital radio hi-fi tuner will come with an indoor aerial, either a ribbon dipole or a monopole (half dipole).
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Magnets are called dipoles, meaning they must have two poles.
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Just as an ampere is a unit of electric current, a magneton is a unit of magnetic dipole moment.
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One of the simplest feeds for a microwave antenna is the dipole.
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The relative magnitudes of the molecular dipoles can be explained by the relative electronegativity differences of the atoms forming the bonds.
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The hadron is represented by an external color field and the charmonium is represented by a small color dipole.
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An orbiting electron in an atom will have a magnetic dipole moment
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The EM response function from a conducting (both electric and magnetic) sphere in a dipole field is calculated by using the continued fraction technique, and the resultant data and diagram are given.
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Finally, instead of the dipolar water model used previously we use an improvement, an SPC-like multipolar model that reproduces water's dipole moment.
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With stronger dipole magnets, an accelerator can push particles to much higher relativistic energies around the same-sized circular beam path.
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If there is no external field we call the dipole permanent, written as pperm.
Citizendium, the Citizens' Compendium - Recent changes [en]
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Just as an ampere is a unit of electric current, a magneton is a unit of magnetic dipole moment.
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Marsis features three long antenna booms - a dipole and monopole - that broadcast very long wavelength radio waves toward the planet.
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Can CMB have in principle a dipole term correlated with quadrupole one?
Anatomy of a Paper: Part III, Culmination
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Marsis features three long antenna booms - a dipole and monopole - that broadcast very long wavelength radio waves toward the planet.
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In order for a planet to possess a magnetosphere it need not have an internal magnetic dipole moment.
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The unit assigned to dipole moments is the debye.
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The electrostatic interaction energies between the different sheets may be recalculated in the dipole approximation from simulation data.
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Using radiation pressure and optical dipole forces, atoms that roam in gases at a few hundred meters per second are now routinely slowed down to velocities of a few millimeters per second.
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The metacentric height can be selectively varied by varying the relationship of center of gravity to that of the dipole mass system with respect to the metacenter of the gravity gradiometer.
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In order for a planet to possess a magnetosphere it need not have an internal magnetic dipole moment.
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The previously discussed omnidirectional patterns are also called zeroth-order patterns and the other patterns mentioned previously (dipole and cardioid) are called first-order patterns.
FreshPatents.com: Notable Patent Applications - 05/07/2009
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The reason for the low upper limit on the internal magnetic dipole moment is not properly understood.
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The loss of the helical spring antenna is approximately 10 dB compared to a half-wave dipole.
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Results indicate that alignment in charged nematic media is a function not only of the solute's shape, but also of its electric multipole moments of net charge, dipole, and quadrupole.
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The interaction intensity was decided by such elements as the laser frequency, laser intensity, the dipole of material, detuning and the concentration of resonance particles.
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We have to keep cranking the shaft of the generator only because the self-symmetrized EE system deliberately uses half its potentialization energy to continually destroy the internal source dipole inside the generator, and the other half to power the external circuit's loads and losses.
ZPEnergy.com
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These methods allow engineers to fabricate many different types of planar IR antennas, including dipoles, spirals, and patches.
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The results show that they relate to the dipole-dipole coupling strength between two atoms and atom-field coupling constant and nonlinear coefficient of field.
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In this paper, the simple analytical expressions of the electromagnetic field induced by a vertical electric dipole on the perfect conductor coated with a layer of dielectric medium has teen obtained.
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Dielectric constants of polar solvents are dominated by reorientation of their permanent dipoles.
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When working, the Galatea tows a device called a dipole transmitter that sends low-frequency electromagnetic signals through the sea floor toward a suspected reservoir.
Chron.com Chronicle
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The most familiar example of a dipole is a magnet.
Physicsworld.com: all content
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Similarly, the dipole moment of methanol, another extremely polar substance, is only 2.9 debyes.
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The log - periodic dipole antenna is a linearly polarized frequency independent antenna of moderate gain.
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Underwater mountains, which are usually volcanic, often have magnetic dipoles.
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Observations by Mariner 10 have demonstrated that Mercury does have an intrinsic magnetic dipole moment.
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Three situations are analyzed, calculated and discussed according to the electric dipole's positions in the sphere.
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According to the similarity between the propagation of magnetic dipole source TEM field and reflected-seismic wave, it is proposed to explain TEM data with the pseudo-seismic interpretation.
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Because electronic polarization is accounted for by the choice of background dielectric, dipolar moieties are assigned charges consistent with their permanent dipole moments.
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Van der Waals forces are the attractive forces of one transient dipole for another.
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In a covalent diatomic molecule, a difference in the electronegativity of the atoms will result in a dipole moment.
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The longer the peptide, the less important is the effect of the helical dipole.
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Another strategy was to create "electrochromic dyes" with large changes in dipole moment between ground and excited state, so that a change in neuronal membrane potential could shift the peak wavelengths of absorbance or fluorescence4.
Roger Y. Tsien - Autobiography
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A digital radio hi-fi tuner will come with an indoor aerial, either a ribbon dipole or a monopole (half dipole).
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It is known that due to the bolometric effect dipole excitation of electrons can effectively heat the 2DES and change its resistance.
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This can be seen everywhere from low plasma processes (where neutrals are accelerated by the rf variation of the plasma) to atmospheres (where I hear the Mars atmosphere expulsion gets a significant boost by its distorted multipole field as magnetic "pockets" are sheared off into space – Mars partial field is not protecting the atmosphere as Earth's full dipole, it is "pumping" it).
Spacecraft Detects Mysterious "Ribbon" at Edge of Solar System | Universe Today
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The EM response function from a conducting (both electric and magnetic) sphere in a dipole field is calculated by using the continued fraction technique, and the resultant data and diagram are given.
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The upper limit on the internal magnetic dipole moment is only 0.00005 of that of the Earth.
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Interaction between the in-plane components of the headgroup dipoles is attractive and decays as the inverse sixth power of distance.
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To demonstrate the effect of water ordering in the present simulations, the orientational profile of the water dipole along the bilayer normal (z-direction) was calculated.
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The contribution reflects the compensation of the negative charges of the linoleate by the positive ions and by the changed orientational behavior of the headgroup dipole.
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Common HF antennas like vertical monopoles, horizontal wire dipoles, and loop antennas all provide omni-directional communications when configured properly.
