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vibrating

vibrating Sentence Examples

  • The tattooed immortal with cocoa skin sat forward, his magic vibrating in the air around him.

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  • It consists in attaching to the loop or ventral segment of a vibrating body, e.g.

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  • Essential are vibrating membranes between the cartilaginous framework, and next, special muscles for regulating the tension.

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  • In 1747 he applied his new calculus to the problem of vibrating chords, the solution of which, as well as the theory of the oscillation of the air and the propagation of sound, had been given but incompletely by the geometricians who preceded him.

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  • In 1747 he applied his new calculus to the problem of vibrating chords, the solution of which, as well as the theory of the oscillation of the air and the propagation of sound, had been given but incompletely by the geometricians who preceded him.

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  • The excretory system consists of peculiar cells, each of which bears several"flames" or bunches of synchronously vibrating cilia.

    3
    1
  • luminous may, if they do not contain the same vibrating system, behave like inert molecules.

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  • Chladni's experiment of strewing a vibrating bell with flour, investigated the nature of sound and the function of the air in respiration and combustion, and originated the idea of using the pendulum as a measure of gravity.

    3
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  • By considering only the particles of air found in a right line, he reduced the problem of the propagation of sound to the solution of the same partial differential equations that include the motions of vibrating strings, and demonstrated the insufficiency of the methods employed by both his great contemporaries in dealing with the latter subject.

    3
    7
  • The problem of vibrating cords, which had been some time before resolved by Brook Taylor (1685-1731) and d'Alembert, became the subject of a long discussion conducted in a generous spirit between Bernoulli and his friend Euler.

    3
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  • The smaller duff is separated by vibrating or rotating screens into a great number of sizes, which are cleaned by washing in continuous current or pulsating jigging machines, where the lighter coal rises to the surface and is removed by a stream of water, while the heavier waste falls and is discharged at a lower level, or through a valve at the bottom of the machine.

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  • We may illustrate the successive modes of vibration by using as pipe a tall cylindrical jar, and as exciter a vibrating tuning-fork held over the mouth.

    2
    1
  • Among other ingenious applications, he used it to determine the form of movement of a vibrating string, by him first successfully reduced to mechanical principles.

    2
    2
  • It is evident that, in such case, the string, while vibrating as a whole between its fixed extremities, is at the same time executing subsidiary oscillations about its middle point, its points B FIG.

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  • Suddenly he heard Denisov shouting in a vibrating voice behind the hut, evidently much excited.

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  • 90, had not yet been written, and Temple entered a university which was vibrating with intellectual and religious excitement.

    1
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  • Bells may be regarded as somewhat like circular plates vibrating with radial nodes, and with the edges turned down.

    1
    0
  • When the air in a pipe open at both ends is vibrating in its simplest mode, the air is alternately moving into and out from the centre.

    1
    0
  • But, if the pasteboard be interposed so as to intercept the vibrating segments AOB, DOC, the note becomes much more distinct.

    1
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  • 43, and having a piece of thin membrane stretched over the opening at the top C, some dry sand being strewn over the membrane, is so placed over a circular or rectangular vibrating plate that the ends A, B lie over the segments of the plate, such as AOD, COB in the previous figure, which are in the same state of motion.

    1
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  • But if the same ends A, B be placed over oppositely vibrating segments (such as AOD, COD), the sand will be scarcely, if at all, affected.

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  • 43 of the oppositely vibrating prongs of the fork.

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  • Yet the air within the pipes is vibrating more vigorously than ever, but in opposite phases in the two pipes.

    1
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  • But, after this, the first or less rapidly vibrating note will fall behind the other, and cause a diminution in the joint displacements of the particles, till, after the lapse of onesixth of a second, it will have fallen behind the other by half a vibration.

    1
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  • This will be followed by an increase of intensity until the lapse of another sixth of a second, when the less rapidly vibrating note will have lost another half-vibration relatively to the other, or one vibration reckoning from the original period of time, and the two component vibrations will again conspire and reproduce a maximum effect.

    1
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  • In acoustics his principal work was a research on the transmission of sound through solids, the explanation of Chladni's figures of vibrating solids, various investigations of the principles of acoustics and the mechanism of hearing, and the invention of new musical instruments, e.g.

    1
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  • Considering the great variety of spectra, which one and the same body may possess, the idea lies near that free electrons may temporarily attach themselves to a molecule or detach 'themselves from it, thereby altering the constitution of the vibrating system.

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  • A limit to homogeneity of radiation is ultimately set by the so-called Doppler effect, which is the change of wave-length due to the translatory motion of the vibrating molecule from or towards the observer.

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  • Considering the complexity of the subject it is not surprising that the efforts to connect theoretically the possible periods of the atom considered as a vibrating system have met with no considerable success.

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  • Lord Rayleigh,' who has also investigated vibrating systems giving series of lines approaching a definite limit of " root," remarks that by dynamical reasoning we are always led to equations giving the square of the period and not the period, while in the equation representing spectral series the simplest results are obtained for the first power of the period.

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  • Each molecule need not radiate with increased energy, but the more brilliant emission of light may be due to the greater number of particles forming similar vibrating systems.

    1
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  • Schuster suggested that the proximity of molecules vibrating in the same period might be the cause of the diminished frequency, and suggested that according to this view the shifts would be similar if the increase of density were produced by the presence of molecules of a different kind from those whose lines are being examined.

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  • Leaving the consideration of radical changes of a vibrating system out of account for the present, the minor differences which have been observed in the appearances of spectra under different sparking conditions are probably to a large extent due to differences in the quantities of material examined, though temperature must alter the violence of the impact and there is a possible effect due to a difference in the impact according as the vibrating system collides with an electron or with a body of atomic dimensions.

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  • In the case of some metals, notably bismuth, the velocity measured was different for different lines, which seems intelligible only on the supposition that the metal vapour consists of different vibrating systems which can differ with different velocities.

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  • While some of the phenomena seem to indicate that the projection of metallic vapours into the centre of the spark is a process of molecular diffusion independent of the mechanism of the discharge, the different velocities obtained with bismuth, and the probability that the vibrating systems are not electrically neutral, seem to indicate that the projected metallic particles are electrified and play some part in the discharge.

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  • In spite of the fact that C. Fredenhagen has recently attempted to revive Pringsheim's original views in a modified form - substituting oxidation for reduction - we may consider it as generally admitted that the origin of spectra lies with vibrating systems which are definite and not dependent on the method of incitement.

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  • To explain this great variability of spectroscopic effects we may either adopt the view that molecular aggregates of semi-stable nature may be found in vacuum tubes, or that a molecule may gain or lose one or more additional electrons and thus form new vibrating systems. It seemed that an important guide to clear our notions in this direction could be obtained through the discovery of J.

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  • These facts do not countenance the view that there is an essential electric difference between the vibrating system of the three members of a family of series.

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  • - When a simple periodic force acts on a system capable of oscillatory motion the ultimate forced vibration has a period equal to that of the impressed force, but the ultimate state is only reached theoretically after an infinite time, and if meanwhile the vibrating system suffers any perturbations its free periods will at once assert themselves.

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  • showed that the vibrating system of the fluorescent light seems identical with that observed by absorption in the fluted band spectrum, Wood excited the fluorescence by homogeneous radiation and discovered some remarkable facts.

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  • In these cases the solvent seems to act like an addition to the mass of the vibrating system, the quasi-elastic forces remaining the same.

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  • In the first place, there are great differences between the sensible and the external object; they differ in secondary qualities in the case of all the senses; ' and even in the case of touch, heat felt within is different from the vibrating heat outside.

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  • At the Constantine age a new style begins, of hard pink ware, neatly made, and often with start-patterns made by a vibrating tool while the vessel rotated: this was mainly used for bowls and cups (P.E.).

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  • He found that a vibrating magnetic compass needle came to rest sooner when placed over a plate of copper than otherwise, and also that a plate of copper rotating under a suspended magnet tended to drag the magnet in the same direction.

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  • A second vibrating composition roller conveys the ink from this drum to the distributing table or ink slab, on which other rollers, called distributors, still further thin out the ink.

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  • 90, had not yet been written, and Temple entered a university which was vibrating with intellectual and religious excitement.

    1
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  • 43, and having a piece of thin membrane stretched over the opening at the top C, some dry sand being strewn over the membrane, is so placed over a circular or rectangular vibrating plate that the ends A, B lie over the segments of the plate, such as AOD, COB in the previous figure, which are in the same state of motion.

    1
    0
  • Leaving the consideration of radical changes of a vibrating system out of account for the present, the minor differences which have been observed in the appearances of spectra under different sparking conditions are probably to a large extent due to differences in the quantities of material examined, though temperature must alter the violence of the impact and there is a possible effect due to a difference in the impact according as the vibrating system collides with an electron or with a body of atomic dimensions.

    1
    0
  • To explain this great variability of spectroscopic effects we may either adopt the view that molecular aggregates of semi-stable nature may be found in vacuum tubes, or that a molecule may gain or lose one or more additional electrons and thus form new vibrating systems. It seemed that an important guide to clear our notions in this direction could be obtained through the discovery of J.

    1
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  • When a system is set vibrating and left to itself, the vibration gradually dies away as the energy leaks out either in the waves formed or through friction.

    1
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  • When it is set vibrating contact lasts during some part of the outward and some part of the inward swing.

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  • But if a tuning-fork of appropriate frequency be set vibrating with its stalk in contact with the holder of the pipe from which the jet issues, the jet appears to go over in one continuous thread.

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  • And without linking up the events of the day or drawing a conclusion from them, Pierre closed his eyes, seeing a vision of the country in summertime mingled with memories of bathing and of the liquid, vibrating globe, and he sank into water so that it closed over his head.

    1
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  • § 322 h) as due Singing to the way in which the heat is communicated to the vibrating air.

    1
    3
  • The kaleidophone, intended to present visibly the movements of a sonorous body, consisted of a vibrating wire or rod carrying a silvered bead reflecting a point of light, the motions of which, by persistence of the successive images on the retina, were thus represented in curves of light.

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  • a cell with an internal cavity containing a vibrating filament or flagellum.

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  • The only official standard is the French, dating from 1859, preserved by a tuning-fork vibrating 870.9 (double vib.

    0
    0
  • As sound arises in general from vibrating bodies, as it takes time to travel, and as the medium which carries it does not on the whole travel forward, but subsides into its original position when the sound has passed, we are forced to conclude that the disturbance is of the wave kind, We can at once gather some idea of the nature of sound waves in air by considering how they are produced by a bell.

    0
    0
  • The cylinder is mounted on an axis and turned round, while the style attached to the vibrating body is in light contact with it, and traces therefore a wavy circle, which, on taking off the paper and flattening it, becomes a wavy straight line.

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  • The lines traced out by the vibrating pointer are thus prevented from overlapping when more than one turn is given to the cylinder.

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  • But when the pitch of the cavity was exactly that of the fork when vibrating alone, though it resounded most strongly, it did not affect the frequency of the fork.

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  • In many vibrating systems this does not hold, and then Fourier's theorem is no longer an appropriate resolution.

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  • V i brat i ons thus excited are termed forced vibrations, and their amplitude is greater the more nearly the period of the applied force approaches that of the system when vibrating freely.

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  • In the other, the waves produce a measurable effect on a vibrating system of the same frequency, and the amplitude in the waves can be deduced.

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  • This rate of loss for each amplitude was determined (i) when the fork was vibrating alone, and (2) when a resonator was placed with its mouth under the free ends of the fork.

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  • The ink passes to a small solid metal roller, and is then conveyed by a vibrating roller made of composition to a larger and hollow metal cylinder or drum which distributes the ink for the first time.

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  • One is shown more highly magnified (400 diameters) at F; the contained protoplasm breaks up into a definite number of parts as at G, forming eight minute mobile bodies called "zoospores," each zoospore being furnished with two extremely attentuated vibrating hairs termed "cilia," as shown at H.

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  • 8T 1 ' (5) V being the volume of the vibrating mass In consequence of the rapidity of the motion some optical device is necessary to render apparent the phenomena attending the disintegration of a jet.

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  • But they are not dead surfaces: they represent the spaces occupied by the rapidly vibrating wings, which are actively moving flying organs.

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  • In the case of factories and buildings used for storage purposes the maximum variable load which can be imposed for any serious length of time on each floor must be used without reduction in computing the loads of the lower column, and proper allowances must be made for vibrating loads.

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  • When a system vibrating in a free period of its own encounters, say through the medium of an enveloping aether, a second system having a different free period, and sets it in vibration, the amplitude of the second vibration is inconsiderable, except when the periods approach equality.

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  • For the latter purpose machines are used of which the beams are made stable, or " vibrating," by constructing them with the fulcrum knife-edges above the line joining the end knife-edges.

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  • With " vibrating " machines the value of in is in general so extremely small that w is of no practical importance in either of the above cases.

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  • Steelyards, like other weighing machines, will be " accelerating," or " vibrating " according to the arrangement of the knife-edges.

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  • with the smallest excess of moment on the left-hand side of the fulcrum, the end C of the steelyard will rise with accelerating velocity till it is brought up by a stop of some sort; and with the smallest excess of moment on the right-hand side of the fulcrum, the end C of the steelyard will drop, and will descend with accelerating velocity till it is brought up by a similar stop. If Z be above the line XH, the steelyard is " vibrating "; i.e.

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  • Platform machines, like steelyards, may be arranged either on the " accelerating " principle or on the " vibrating " principle.

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  • If the knife - edges be placed so that and h 2 are below the lines x i y i and x2y2 respectively, the arrangement will favour the " vibration " principle, and is suited to act with and assist a " vibrating " steelyard.

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  • With accelerating machines a small amount of tilt in any direction considerably affects the accuracy of the weighing, and when the amount of tilt is considerable the action may be changed, so that a machine which was intended to act as an accelerating machine acts like a vibrating one.

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  • Vibrating machines are only slightly affected by being out of level in comparison with accelerating machines, and in this matter they have a distinct advantage.

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  • They sound, but only in a vibrating medium, and for healthy ears.

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  • In one form of Blondel's oscillograph, the vibrating system is a small magnetic needle carrying a mirror, but the principle on which it operates is the same as that of the instrument above described.

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  • In this case the large vibrating mirror must be oscillated by a current from an alternator, on the shaft of which is a disk of nonconducting material with brass slips let into it and so arranged with contact brushes that in each period of the alternator a contact is made, charging say a condenser and discharging it through the oscillograph.

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  • If this patch is also given a displacement in the direction of right angles by examining it in a steadily vibrating mirror, we see a wavy or oscillatory line of light which is an optical representation of the wave form of a current in the coils embracing the Braun tube.

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  • The tattooed immortal with cocoa skin sat forward, his magic vibrating in the air around him.

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  • The vibrating pad alarms are particularly useful for deaf-blind people.

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  • Children who are very heavy sleepers may need an alarm clock that uses a vibrating pad and a flashing light to wake them.

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  • alphanumeric pager with vibrating alert clearly displays the information.

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  • These are the use of a vibrating feed, a screw auger feed, and a notched cylinder feed mechanism.

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  • Baby bouncers £ 24.99 US$48.73 E38.73 " Rockstar " vibrating bouncer.

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  • The Wet Dream is a delicious 6 inch tall finger shaped vibrator packed with extra power from its extra long multi speed vibrating bullet.

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  • Totally flexible vibrating black latex dong with detachable rotating suction pad and a bendable shaft for ultimate pleasure.

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  • There are vibrating and light fire alarms for students with aural disabilities.

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  • Watching the dancefloor provided much hilarity for us as we sat on the vibrating sofa.

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  • Use rubber mats and provide shoes with thick rubber soles for operators who have to stand operating vibrating machinery.

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  • The coercivity of relay steels and other magnetically soft materials can be measured using a vibrating coil magnetometer developed at NPL for this purpose.

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  • The Rocket Pak gives you a larger egg for insertion, powerful internal pleasure to run along side a small micro vibrating bullet.

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  • The vibrating power ball at the base vibrates at 6 different speeds while the soft jelly glitter balls are covered in pleasure nubs.

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  • Alarm clocks Alarm clocks often use a vibrating pad or flashing lights (or both) to wake up deaf children.

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  • Many have a vibrating pager, which you can carry around with you.

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  • An alphanumeric pager with vibrating alert clearly displays the information.

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  • We are also looking to purchase some vibrating pillows for those with impaired hearing for use in the event of fire evacuation.

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  • quivering tentacle of Rosium, vibrating for a few moments like a thread of silver.

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  • Construction shall be as follows, all materials to be laid and compacted with a vibrating roller in layers not greater than 100mm thickness.

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  • Understanding of the behavior of solder paste under the action of vibrating squeegee is needed to optimize the process parameters.

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  • Up shot the game play pool yahoo glittering, quivering tentacle of Rosium, vibrating for a few moments like a thread of silver.

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  • tinklend this lies the vibrating, tinkling ivories and a variety of guitar and bass sounds - an effective piece.

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  • vibratehave a vibrating pager, which you can carry around with you.

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  • vibrateBouncers £ 24.99 US$48.73 E38.73 " Rockstar " vibrating bouncer.

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  • vibrateory Toys For Her Sub Category Love Eggs Very very powerful vibrating bullet with three different silicone sleeves to cater for your every need.

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  • vibratehone has a vibrating alert which I find very useful.

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  • vibratecleaning machines used in conjunction with special cleaning fluids enhance the properties of the cleaning fluids by gently vibrating the coins.

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  • vibrates are really just rapidly vibrating waves in the air.

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  • vibrateould feel the whole building vibrating in sympathy with the music.

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  • vibrately the light waves hitting our eyes are vibrating randomly in all directions.

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  • vibrateot the game play pool yahoo glittering, quivering tentacle of Rosium, vibrating for a few moments like a thread of silver.

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  • Unusual rabbit style vibrator with vibrating egg in the tip.

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  • Up shot the game play pool Yahoo glittering, quivering tentacle of Rosium, vibrating for a few moments like a thread of silver.

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  • In the former he developed a valuable method for the investigation of aerial waves within pipes, based on the fact that a finely divided powder - lycopodium, for example - when dusted over the interior of a tube in which is established a vibrating column of air, tends to collect in heaps at the nodes, the distance between which can thus be ascertained.

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  • The only official standard is the French, dating from 1859, preserved by a tuning-fork vibrating 870.9 (double vib.

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  • Marconi, by giving great attention to details, improved the electromagnetic tapper, and, combining it with his improved form of sensitive tube, made a telegraphic instrument as follows: the small glass tube, containing nickel and silver filings between two silver plugs, was attached to a bone holder, and under this was arranged a small electromagnet having a vibrating armature like an electric bell carrying on it a stem and hammer.

    0
    0
  • Essential are vibrating membranes between the cartilaginous framework, and next, special muscles for regulating the tension.

    0
    0
  • Chladni's experiment of strewing a vibrating bell with flour, investigated the nature of sound and the function of the air in respiration and combustion, and originated the idea of using the pendulum as a measure of gravity.

    0
    0
  • The sound which the symbol represents is the voiced stop made by closing the lips and vibrating the vocal chords (see PHONETICS).

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  • By considering only the particles of air found in a right line, he reduced the problem of the propagation of sound to the solution of the same partial differential equations that include the motions of vibrating strings, and demonstrated the insufficiency of the methods employed by both his great contemporaries in dealing with the latter subject.

    0
    0
  • The excretory system consists of peculiar cells, each of which bears several"flames" or bunches of synchronously vibrating cilia.

    0
    0
  • Among other ingenious applications, he used it to determine the form of movement of a vibrating string, by him first successfully reduced to mechanical principles.

    0
    0
  • The problem of vibrating cords, which had been some time before resolved by Brook Taylor (1685-1731) and d'Alembert, became the subject of a long discussion conducted in a generous spirit between Bernoulli and his friend Euler.

    0
    0
  • The smaller duff is separated by vibrating or rotating screens into a great number of sizes, which are cleaned by washing in continuous current or pulsating jigging machines, where the lighter coal rises to the surface and is removed by a stream of water, while the heavier waste falls and is discharged at a lower level, or through a valve at the bottom of the machine.

    0
    0
  • As sound arises in general from vibrating bodies, as it takes time to travel, and as the medium which carries it does not on the whole travel forward, but subsides into its original position when the sound has passed, we are forced to conclude that the disturbance is of the wave kind, We can at once gather some idea of the nature of sound waves in air by considering how they are produced by a bell.

    0
    0
  • The cylinder is mounted on an axis and turned round, while the style attached to the vibrating body is in light contact with it, and traces therefore a wavy circle, which, on taking off the paper and flattening it, becomes a wavy straight line.

    0
    0
  • The lines traced out by the vibrating pointer are thus prevented from overlapping when more than one turn is given to the cylinder.

    0
    0
  • But when the pitch of the cavity was exactly that of the fork when vibrating alone, though it resounded most strongly, it did not affect the frequency of the fork.

    0
    0
  • In many vibrating systems this does not hold, and then Fourier's theorem is no longer an appropriate resolution.

    0
    0
  • This resonance is a particular example of the general principle that a vibrating system will be set in vibration by any periodic Forced VI force applied to it, and ultimately in the period of the force, its own natural vibrations gradually dying down.

    0
    0
  • V i brat i ons thus excited are termed forced vibrations, and their amplitude is greater the more nearly the period of the applied force approaches that of the system when vibrating freely.

    0
    0
  • In the other, the waves produce a measurable effect on a vibrating system of the same frequency, and the amplitude in the waves can be deduced.

    0
    0
  • This rate of loss for each amplitude was determined (i) when the fork was vibrating alone, and (2) when a resonator was placed with its mouth under the free ends of the fork.

    0
    0
  • We may illustrate the successive modes of vibration by using as pipe a tall cylindrical jar, and as exciter a vibrating tuning-fork held over the mouth.

    0
    0
  • It is evident that, in such case, the string, while vibrating as a whole between its fixed extremities, is at the same time executing subsidiary oscillations about its middle point, its points B FIG.

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  • It consists in attaching to the loop or ventral segment of a vibrating body, e.g.

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  • Paper, parchment, or any other thin membrane stretched over a square, circular, &c., frame, when in the vicinity of a sufficiently powerful vibrating body, will, through the medium of the air, be itself made to vibrate in unison, and, by using sand, as in previous instances, the nodal lines will be depicted to the eye, and seen to vary in form, number and position with the tension of the plate and the pitch of the originating sound.

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  • Bells may be regarded as somewhat like circular plates vibrating with radial nodes, and with the edges turned down.

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  • But if a tuning-fork of appropriate frequency be set vibrating with its stalk in contact with the holder of the pipe from which the jet issues, the jet appears to go over in one continuous thread.

    0
    0
  • When a system is set vibrating and left to itself, the vibration gradually dies away as the energy leaks out either in the waves formed or through friction.

    0
    0
  • When it is set vibrating contact lasts during some part of the outward and some part of the inward swing.

    0
    0
  • In the organ pipe - as in the common whistle - a thin sheet of air is forced through a narrow slit at the bottom of the embouchure and impinges against the top edge, which is made very p c. sharp. The disturbance made at the commencement of the blowing will no doubt set the air in the pipe vibrating in its own natural period, just as any irregular air disturbance will set a suspended body swinging in its natural period, but we are to consider how the vibration is maintained when once set going.

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  • § 322 h) as due Singing to the way in which the heat is communicated to the vibrating air.

    0
    0
  • When the air in a pipe open at both ends is vibrating in its simplest mode, the air is alternately moving into and out from the centre.

    0
    0
  • But, if the pasteboard be interposed so as to intercept the vibrating segments AOB, DOC, the note becomes much more distinct.

    0
    0
  • But if the same ends A, B be placed over oppositely vibrating segments (such as AOD, COD), the sand will be scarcely, if at all, affected.

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  • 43 of the oppositely vibrating prongs of the fork.

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  • Yet the air within the pipes is vibrating more vigorously than ever, but in opposite phases in the two pipes.

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  • But, after this, the first or less rapidly vibrating note will fall behind the other, and cause a diminution in the joint displacements of the particles, till, after the lapse of onesixth of a second, it will have fallen behind the other by half a vibration.

    0
    0
  • This will be followed by an increase of intensity until the lapse of another sixth of a second, when the less rapidly vibrating note will have lost another half-vibration relatively to the other, or one vibration reckoning from the original period of time, and the two component vibrations will again conspire and reproduce a maximum effect.

    0
    0
  • In acoustics his principal work was a research on the transmission of sound through solids, the explanation of Chladni's figures of vibrating solids, various investigations of the principles of acoustics and the mechanism of hearing, and the invention of new musical instruments, e.g.

    0
    0
  • The kaleidophone, intended to present visibly the movements of a sonorous body, consisted of a vibrating wire or rod carrying a silvered bead reflecting a point of light, the motions of which, by persistence of the successive images on the retina, were thus represented in curves of light.

    0
    0
  • a cell with an internal cavity containing a vibrating filament or flagellum.

    0
    0
  • Considering the great variety of spectra, which one and the same body may possess, the idea lies near that free electrons may temporarily attach themselves to a molecule or detach 'themselves from it, thereby altering the constitution of the vibrating system.

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  • A limit to homogeneity of radiation is ultimately set by the so-called Doppler effect, which is the change of wave-length due to the translatory motion of the vibrating molecule from or towards the observer.

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  • Considering the complexity of the subject it is not surprising that the efforts to connect theoretically the possible periods of the atom considered as a vibrating system have met with no considerable success.

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  • Lord Rayleigh,' who has also investigated vibrating systems giving series of lines approaching a definite limit of " root," remarks that by dynamical reasoning we are always led to equations giving the square of the period and not the period, while in the equation representing spectral series the simplest results are obtained for the first power of the period.

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  • luminous may, if they do not contain the same vibrating system, behave like inert molecules.

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  • Each molecule need not radiate with increased energy, but the more brilliant emission of light may be due to the greater number of particles forming similar vibrating systems.

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  • Schuster suggested that the proximity of molecules vibrating in the same period might be the cause of the diminished frequency, and suggested that according to this view the shifts would be similar if the increase of density were produced by the presence of molecules of a different kind from those whose lines are being examined.

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  • In the case of some metals, notably bismuth, the velocity measured was different for different lines, which seems intelligible only on the supposition that the metal vapour consists of different vibrating systems which can differ with different velocities.

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  • While some of the phenomena seem to indicate that the projection of metallic vapours into the centre of the spark is a process of molecular diffusion independent of the mechanism of the discharge, the different velocities obtained with bismuth, and the probability that the vibrating systems are not electrically neutral, seem to indicate that the projected metallic particles are electrified and play some part in the discharge.

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  • In spite of the fact that C. Fredenhagen has recently attempted to revive Pringsheim's original views in a modified form - substituting oxidation for reduction - we may consider it as generally admitted that the origin of spectra lies with vibrating systems which are definite and not dependent on the method of incitement.

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  • The numerical relations existing between the trunk series and the branch series make it somewhat difficult to believe that they belong to different vibrating systems. But while we should undoubtedly hesitate on this ground to adopt Fredenhagen's 3 view that the two branch series belong to the element itself and the trunk series to a process of oxidation, we cannot press the argument against the view of Lenard, because the addition or subtraction of an electron introduces two vibrating systems which are still connected with each other and some numerical relationship is probable.

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  • These facts do not countenance the view that there is an essential electric difference between the vibrating system of the three members of a family of series.

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  • - When a simple periodic force acts on a system capable of oscillatory motion the ultimate forced vibration has a period equal to that of the impressed force, but the ultimate state is only reached theoretically after an infinite time, and if meanwhile the vibrating system suffers any perturbations its free periods will at once assert themselves.

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  • showed that the vibrating system of the fluorescent light seems identical with that observed by absorption in the fluted band spectrum, Wood excited the fluorescence by homogeneous radiation and discovered some remarkable facts.

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  • In these cases the solvent seems to act like an addition to the mass of the vibrating system, the quasi-elastic forces remaining the same.

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  • In the first place, there are great differences between the sensible and the external object; they differ in secondary qualities in the case of all the senses; ' and even in the case of touch, heat felt within is different from the vibrating heat outside.

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  • At the Constantine age a new style begins, of hard pink ware, neatly made, and often with start-patterns made by a vibrating tool while the vessel rotated: this was mainly used for bowls and cups (P.E.).

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  • He found that a vibrating magnetic compass needle came to rest sooner when placed over a plate of copper than otherwise, and also that a plate of copper rotating under a suspended magnet tended to drag the magnet in the same direction.

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  • The ink passes to a small solid metal roller, and is then conveyed by a vibrating roller made of composition to a larger and hollow metal cylinder or drum which distributes the ink for the first time.

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  • A second vibrating composition roller conveys the ink from this drum to the distributing table or ink slab, on which other rollers, called distributors, still further thin out the ink.

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  • One is shown more highly magnified (400 diameters) at F; the contained protoplasm breaks up into a definite number of parts as at G, forming eight minute mobile bodies called "zoospores," each zoospore being furnished with two extremely attentuated vibrating hairs termed "cilia," as shown at H.

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  • 8T 1 ' (5) V being the volume of the vibrating mass In consequence of the rapidity of the motion some optical device is necessary to render apparent the phenomena attending the disintegration of a jet.

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  • But they are not dead surfaces: they represent the spaces occupied by the rapidly vibrating wings, which are actively moving flying organs.

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  • In the case of factories and buildings used for storage purposes the maximum variable load which can be imposed for any serious length of time on each floor must be used without reduction in computing the loads of the lower column, and proper allowances must be made for vibrating loads.

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  • When a system vibrating in a free period of its own encounters, say through the medium of an enveloping aether, a second system having a different free period, and sets it in vibration, the amplitude of the second vibration is inconsiderable, except when the periods approach equality.

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  • For the latter purpose machines are used of which the beams are made stable, or " vibrating," by constructing them with the fulcrum knife-edges above the line joining the end knife-edges.

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  • With " vibrating " machines the value of in is in general so extremely small that w is of no practical importance in either of the above cases.

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  • Steelyards, like other weighing machines, will be " accelerating," or " vibrating " according to the arrangement of the knife-edges.

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  • with the smallest excess of moment on the left-hand side of the fulcrum, the end C of the steelyard will rise with accelerating velocity till it is brought up by a stop of some sort; and with the smallest excess of moment on the right-hand side of the fulcrum, the end C of the steelyard will drop, and will descend with accelerating velocity till it is brought up by a similar stop. If Z be above the line XH, the steelyard is " vibrating "; i.e.

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  • Platform machines, like steelyards, may be arranged either on the " accelerating " principle or on the " vibrating " principle.

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  • If the knife - edges be placed so that and h 2 are below the lines x i y i and x2y2 respectively, the arrangement will favour the " vibration " principle, and is suited to act with and assist a " vibrating " steelyard.

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  • With accelerating machines a small amount of tilt in any direction considerably affects the accuracy of the weighing, and when the amount of tilt is considerable the action may be changed, so that a machine which was intended to act as an accelerating machine acts like a vibrating one.

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  • Vibrating machines are only slightly affected by being out of level in comparison with accelerating machines, and in this matter they have a distinct advantage.

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  • They sound, but only in a vibrating medium, and for healthy ears.

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  • According to Huygens's principle (see Diffraction) each aether particle, set vibrating by an incident wave, can itself act as a new centre of excitement, emitting a spherical wave; and similarly each particle on this wave itself produces wave systems. All systems which are emitted from a single source can by a suitable optical device be directed that they simultaneously influence one and the same aether particle.

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  • In one form of Blondel's oscillograph, the vibrating system is a small magnetic needle carrying a mirror, but the principle on which it operates is the same as that of the instrument above described.

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  • In this case the large vibrating mirror must be oscillated by a current from an alternator, on the shaft of which is a disk of nonconducting material with brass slips let into it and so arranged with contact brushes that in each period of the alternator a contact is made, charging say a condenser and discharging it through the oscillograph.

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  • If this patch is also given a displacement in the direction of right angles by examining it in a steadily vibrating mirror, we see a wavy or oscillatory line of light which is an optical representation of the wave form of a current in the coils embracing the Braun tube.

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  • Up shot the game play pool yahoo glittering, quivering tentacle of Rosium, vibrating for a few moments like a thread of silver.

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  • Construction shall be as follows, all materials to be laid and compacted with a vibrating roller in layers not greater than 100mm thickness.

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  • Understanding of the behavior of solder paste under the action of vibrating squeegee is needed to optimize the process parameters.

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  • Around this lies the vibrating, tinkling ivories and a variety of guitar and bass sounds - an effective piece.

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  • Veronica 's soft and inviting vibrating vagina has a powerful stroking action that actually feels like she is having an orgasm.

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  • Category Toys For Her Sub Category Love Eggs Very very powerful vibrating bullet with three different silicone sleeves to cater for your every need.

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  • A vibrating pad placed under a pillow or mattress.

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  • The phone has a vibrating alert which I find very useful.

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  • Coin cleaning machines used in conjunction with special cleaning fluids enhance the properties of the cleaning fluids by gently vibrating the coins.

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  • Sounds are really just rapidly vibrating waves in the air.

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  • You could feel the whole building vibrating in sympathy with the music.

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  • Usually the light waves hitting our eyes are vibrating randomly in all directions.

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  • Unusual rabbit style vibrator with vibrating egg in the tip.

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  • Vibrating Infant Seat-Babies love a gentle, rocking movement, and you can now purchase an infant seat that vibrates.

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  • Because a parent who is hearing impaired may not be able to hear a typical monitor which relies on sound, most monitors for the hearing impaired feature either a flashing light, a vibrating alarm, and/or an LCD video monitor.

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  • A vibrating rod is attached to the main clock.

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  • Some monitors allow you to add a monitor signaler, which can be hooked up to a doorbell or telephone and feature a flashing light or a vibrating pager to notify the hearing impaired when the phone or the doorbell rings.

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  • This means that the photons in the light are all vibrating in one direction, instead of in random directions.

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  • The male will court the female by delicately plucking and vibrating her web.

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  • Disney's Wizards of Waverly Place locket charm features Alex Russo (played by Selena Gomez) with golden rays of magic vibrating around her.

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  • They work to prevent the soft tissues in the back of the moth and throat from collapsing and vibrating during sleep.

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  • Any of these conditions can cause vibrating in the walls of the throat or nose, resulting in rumbling sounds.

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  • This leads to the sleeper relying on their mouth as the main airway passage, which can lead to snoring if the mouth has tissues which are vibrating.

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  • The implants stay in place and keep the soft tissue from vibrating.

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  • They were lockstitch machines and the first to use the new "vibrating shuttle" technology.

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  • The patient wears headphones when air conduction is tested and a vibrating earpiece behind the ear next to the mastoid bone or along the forehead when bone conduction is tested.

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  • Nits also can be manually removed with any fine-toothed comb, including pet flea combs, a specialized nit comb (LiceMeister, LiceOut), a battery-powered vibrating or anti-static comb, tweezers, baby safety scissors, and fingernails.

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  • In the 1880s, Singer replaced the New Family machine with the Vibrating Shuttle line, which it continued to manufacture until the mid-20th century.

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  • Singer produced millions of Vibrating Shuttle machines, and it's easy to find these sewing machines in antiques shops today.

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  • White also made a model called the Vibrating Shuttle, which was popular with home seamstresses.

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  • It has a vibrating brush head that cleans teeth thoroughly.

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  • The battery inside the watch causes the quartz to begin vibrating.

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  • New technologies include talking and vibrating watches, and these features can often also be found in braille watches.

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  • LoveToKnow was lucky enough to be able discuss the very unique and functional AlarMe Vibrating Alarm Watch with designer Nikita Golovlev.

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  • My idea for a solution was to stimulate any other sense, and the most logical seemed to have a vibrating object in constant contact with their body.

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  • To wake up in style, choose from six soothing nature alarms or a vibrating pillow alarm.

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  • A vibrating brake pedal can indicate a brake drum that is warped.

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  • While each method has its pros and cons, all are far better than the rolling and vibrating machines of the 1960s.

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  • Lips to Love Instant Lip Plumper features a vibrating wand to boost circulation and plump lips without any irritation.

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