(n.) The act of impelling, or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly, or immediately.
(n.) The effect of an impelling force; motion produced by a sudden or momentary force.
(n.) The action of a force during a very small interval of time; the effect of such action; as, the impulse of a sudden blow upon a hard elastic body.
(n.) A mental force which simply and directly urges to action; hasty inclination; sudden motive; momentary or transient influence of appetite or passion; propension; incitement; as, a man of good impulses; passion often gives a violent impulse to the will.
(v. t.) To impel; to incite.
Example Sentences:
(1) The method is implemented with a digital non-causal (zero-phase shift) filter, based on the convolution with a finite impulse response, to make the computation time compatible with the use of low-cost microcomputers.
(2) The distinguishing feature of this study is the simultaneous measurement of sympathetic firing and norepinephrine spillover in the same organ, the kidney, under conditions of intact sympathetic impulse traffic.
(3) All endings were electrotonically coupled to the M-cell, but impulses in less than 20% of the afferents produced chemically mediated excitatory postsynaptic potentials as well.
(4) In 27 decerebrate cats under various experimental conditions, we studied the effects of programmed premature ventricular contractions on the impulse activity of preganglionic sympathetic fibres isolated from the third left thoracic ramus.
(5) Response to a single, 5-mg dose of methylphenidate was compared in aggressive and nonaggressive attention-deficit hyperactivity disorder (ADHD) children using objective measures of inattention, impulsivity, and activity level.
(6) True Love Impulse Body Spray, Simple Kind to Skin Hydrating Light Moisturiser and VO5 Styling Mousse Extra Body marked double-digit price rises on average across the four chains.
(7) It is concluded that ADHD is a developmental disorder of attention, impulse control, and regulation of activity level that requires multiple treatment methods, which must be applied over long time intervals if they are to produce an impact on the outcome of children with ADHD.
(8) Impulses sufficiently large to stun adult sheep, with a non-penetrating impact head, were produced from an adapted Hantover pneumatic cattle stunner.
(9) The objective was to determine whether the parent axonal impulse train elicited by dual-hair stimulation was due to a temporal combining ("mixing"; Fukami, 1980) of the impulse trains elicited in the parent axons by the same stimulation to each hair alone.
(10) When afferent impulses were recorded from this fine nerve simultaneously with the blood pressure, two kinds of activity were observed.
(11) ADHD refers to a combination of symptoms in the general areas of inattention, impulsivity, and hyperactivity.
(12) Immediately after the onset of a current step the impulse frequency still declines.
(13) It imitates the conventional percussion massage of the thorax by introducing high-frequency gas oscillations (300 impulses per minute) into the tracheobronchial system.
(14) Mild amelioration of sleep-wakefulness cycles and impulse and drive functions could be observed clinically in both groups.
(15) It is concluded that a number of mechanisms can account for the conduction failure resulting from phospholipase A2, including disruption of sodium channels needed for propagation of regenerative nerve impulses and the depletion of high energy phosphates needed to maintain ionic gradients.
(16) With the aid of analysis of afferent impulse activity in the cat chorda tympani, it was shown that the effect of application of organic acids solutions of the same pH to the tongue could be represented as follows: propionic acid greater than lactic acid greater than pyruvic acid.
(17) Treadmill acceleration impulses were backwards or forwards directed, or their direction was inverted after 30 ms. Backwards directed impulses were followed by gastrocnemius and forwards directed ones by tibialis anterior EMG responses (latency 65-75 ms) whose duration depended on impulse duration.
(18) A propensity for elevated shear in the deep cartilage layer near the contact periphery, observed in nearly all computed stress distributions, is consistent with previous experimental findings of fissuring at that level in the impulsively loaded rabbit knee.
(19) Linear phase finite impulse response (FIR) filtering can be used to differentiate auditory brainstem evoked potentials (ABEP) components.
(20) In the pulsed mode, impulse duration and pause duration were varied between 50 and 500 ms. Total duration of coagulation was 30 s in all cases.
Pulsation
Definition:
(n.) A beating or throbbing, especially of the heart or of an artery, or in an inflamed part; a beat of the pulse.
(n.) A single beat or throb of a series.
(n.) A stroke or impulse by which some medium is affected, as in the propagation of sounds.
(n.) Any touching of another's body willfully or in anger. This constitutes battery.
Example Sentences:
(1) Microotoscopy showed a blue pulsating mass behind the tympanic membrane.
(2) The surface activity of two surfactant preparations, Lipid Extract Surfactant (LES) and Survanta, was examined during adsorption and dynamic compression using a pulsating bubble surfactometer.
(3) The absence or reduction of CSF pulsation may prove to be a valuable indicator of the success of a shunting procedure.
(4) The use of in-phase TEs was preferable to maintain tissue contrast, and presaturation pulses were employed to eliminate vascular pulsation artifacts.
(5) During the gradual change in cuff pressure, the amplitude of consecutive arterial volume pulsations associated with pulse pressure shows change characteristically due to the nonlinearity of arterial pressure-volume(P-V) relation.
(6) Free serotonin may become adsorbed to the arterial wall, thus increasing sensitivity to pain, augmenting afferent input and adding a pulsating quality to migrainous pain.
(7) These changes are detected by variations in the rate of decay of the excited singlet state of pyrene after pulsation with a 10-nsec ruby laser flash.
(8) Prominent carotid arterial pulsations were detected which distinguished the condition clinically from aortic atresia.
(9) CO diminished in fast expiration, and a phase shift between the heart pulsation and the CO was seen; both agree with experimental findings.
(10) Toward these ends, various devices and techniques have been developed, including several different types of vascular shunts in combination with or without extracorporeal oxygenation of blood, implantable auxiliary ventricle and augmentation of diastolic pressure by direct counter pulsation of blood through femoral cannulae or intra-aortic balloon.The sequenced counter pulsator is an external cardiac assist device being developed for the therapy of low output syndromes.
(11) At each time of harvesting, the implants were patent and showed arterial pulsations.
(12) The venous part regulates the venous inflow volume by the feedback type mechanism; the arterial part ensures complete EC in the pulsating mode during cardiosurgical intervention and auxiliary EC in the course of heart activity recovery after cardioplegia, promoting an increase of the coronary blood flow and synchronized blood supply.
(13) In a series of patients with chronic corneal diseases treated with soft contact lenses, good pressure and intraocular pulsations were recorded both with and without the soft lenses.
(14) If the anemia is severe, palpitations, otic pulsations, and cardiac decompensation are common.
(15) Most are used in the asynchronous full-to-empty mode, but they also may be used in a synchronous counter-pulsation mode.
(16) Using the pulsating bubble surfactometer, it could be demonstrated that surfactant mixed with this antibody had a significant higher minimum surface tension when compared with surfactant alone, or surfactant mixed with an unrelated mouse immunoglobulin G (IgG).
(17) In normal subjects stimulation of the vesicourethral junction was described as a stimulus-synchronous pulsation combined with a continuous burning feeling and sometimes with a desire to void.
(18) The ability of antisera and monoclonal antibodies to inhibit the functional activity of surfactant was assayed using a pulsating bubble surfactometer.
(19) A mathematical model was derived expressing the amplitude of container pulsation (delta Po) as a function of mean intraluminal pressure (MPi), mean container pressure (MPo) and arterial pulse amplitude (delta Pi): delta Po = (-2(MPi - MPo) + b) (MPo + 1) delta Pi.
(20) Since it was easier to build equipment that recorded pulsations in amplitude, most work was confined to the recording of amplitude pulsations.