(n.) A motion like that of waves; a moving in this and that direction; as, the fluctuations of the sea.
(n.) A wavering; unsteadiness; as, fluctuations of opinion; fluctuations of prices.
(n.) The motion or undulation of a fluid collected in a natural or artifical cavity, which is felt when it is subjected to pressure or percussion.
Example Sentences:
(1) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(2) The influence of the various concepts for the induction of lateral structure formation in lipid membranes on integral functional units like ionophores is demonstrated by analysing the single channel current fluctuations of gramicidin in bimolecular lipid membranes.
(3) During control, no significant difference between systolic fluctuation (delta Pa) and pleural swings (delta Ppl) was found.
(4) The fluctuations in [Ca2+]i measured with fura-2 were synchronized among the population of cells observed and were sensitive to extracellular Ca2+ concentration ([Ca2+]o).
(5) Large emission intensity fluctuations are observed from analyte species in inductively coupled plasmas.
(6) The titres of phase I antibodies fluctuated from 0 to 16 depending on the antigen applied.
(7) Macroscopic fluctuations of liver alcohol dehydrogenase enzymic activity in complex reaction consisting in ethanol oxidation and butyraldehyde reduction were studied.
(8) The curve of glucose fluctuations was smoother after 50 micrograms than after 100 micrograms and control.
(9) During a single reversal trial of two 2-wk experimental periods, teats of all glands of 12 Holstein cows were subjected to a milking routine conducive to large vacuum fluctuations and flooded teat cups.
(10) For the case of the fluctuating pressure, the strength of the artery becomes considerably lower than those under constant amplitude and two-step-multi-duplicated pulsatile pressure.
(11) The fluctuations in heart rate (HR) and blood pressure (BP) over 24-h were measured at 30-min and 1-h intervals, respectively.
(12) The large degree of inter-dose fluctuation between doses indicates that it is preferable to use pre-dose plasma sodium valproate levels to guide the clinical management of epileptic patients.
(13) Painful manifestations (arthralgia, myalgia), variable with fluctuations in the IS affection were observed in both groups (S1, S2).
(14) These apparent conflicting results between IK and the tail current could not be explained by extracellular K+ fluctuation, because 20 mM Cs+ alone depressed both factors, but an additional application of Ba2+ caused an increase in both components compared with those in the former condition.
(15) This model characterized the abnormal flow by a weak fluctuation of wall shear stress at the site adjacent to the vessel wall.
(16) The results of the present experiments show that capillary blood flow in the cerebral cortex fluctuates, whether the cat's head is supplied by the animal's intact circulation or by an artificial circulation system.
(17) Seasonal fluctuations in IOP were observed (P = 0.0007), with higher IOP occurring in the winter.
(18) Among all subgroups, the odds ratios adjusted for pertinent confounders and interactions fluctuated randomly by about 0.9 and showed no consistent trend with increased alcohol consumption.
(19) During 70 days or so from the time of recruitment until just before the beginning of the cycle during which a follicle is destined to ovulate, folliculogenesis is a continuous process dependent on gonadotrophins but independent of the fluctuations in their concentrations occurring during this time.
(20) The proportion of sampling runs characterized by normal fluctuating levels increased from 38% in the first 2 years of use to 80% during the 5th year of use.
Noise
Definition:
(n.) Sound of any kind.
(n.) Especially, loud, confused, or senseless sound; clamor; din.
(n.) Loud or continuous talk; general talk or discussion; rumor; report.
(n.) Music, in general; a concert; also, a company of musicians; a band.
(v. i.) To sound; to make a noise.
(v. t.) To spread by rumor or report.
(v. t.) To disturb with noise.
Example Sentences:
(1) In order to control noise- and vibration-caused diseases it was necessary not only to improve machines' quality and service conditions but also to pay special attention to the choice of operators and to the quality of monitoring their adaptation process.
(2) For each temporal position of the independent noise, discriminability was a function of the ratio of the duration of the independent noise (tau) to the total burst duration.
(3) The first group was reared in complete darkness while the second one was subjected to permanent noise.
(4) Mild, significant improvement was noted in one of the hearing components, "attenuation," and an adverse effect was shown on "distortion," owing to noise.
(5) It was found that there was a substantial increase in mortality rates in the area under the jets where there was large noise radiation.
(6) Noise exposure and demographic data applicable to the United States, and procedures for predicting noise-induced permanent threshold shift (NIPTS) and nosocusis, were used to account for some 8.7 dB of the 13.4 dB average difference between the hearing levels at high frequencies for otologically and noise screened versus unscreened male ears; (this average difference is for the average of the hearing levels at 3000, 4000, and 6000 Hz, average for the 10th, 50th, and 90th percentiles, and ages 20-65 years).
(7) The effects of noise on information processing in perceptual and memory tasks, as well as time reaction to perceptual stimuli, were investigated in a laboratory experiment.
(8) As a result of measures taken to reduce artifacts and to improve the signal-to-noise ratio, the measurements were performed reliably, with little inconvenience for the patients; all measurements could be used for analysis.
(9) For frozen noises, the same sample of noise was presented throughout a block of 50 trials; for the random noises, different samples of noise were used in each interval of the trials.
(10) Hospital noise has repeatedly been demonstrated to exceed levels recommended by the Environmental Protection Agency.
(11) Two different mental stressors were used: a mental arithmetic task with low stimulus intensity and one with high stimulus intensity characterised by more challenging instructions, a more competitive situation, and exposure to affective noise.
(12) In one normal ear, ten noise trauma ears, 11 Meniere disease ears, and 24 eighth nerve lesion ears to reflexes or reflex decay that were suggestive or retrocochlear lesions were observed.
(13) Eventually, when the noise died down, the pair made a dash for it, taking refuge in a nearby restaurant for the rest of the night.
(14) The subjects were exposed to manganese, iron , chromium compounds, thermal radiation, high temperature and noise.
(15) Similar responses were obtained with gated noise bursts and by pauses in a series of clicks.
(16) A philosophy student at Sussex University, he was part of an improvised comedy sketch group and one skit required him to beatbox (making complex drum noises with your mouth).
(17) The footballer said the noise of the engine was too loud to hear if Cameron snored but his night "wasn't the best".
(18) Although a clean step response or the ensemble average of several responses contaminated with noise is needed for the generation of the filter, random noise of magnitude less than or equal to 0.5% added to the response to be corrected does not impair the correction severely.
(19) A final experiment confirmed a prediction from the above theory that when recalling the original sequence, omissions (recalling no word) will decrease and transpositions (giving the wrong word) will increase as noise level increases.
(20) A grassed roof, solar panels to provide hot water, a small lake to catch rainwater which is then recycled, timber cladding for insulation ... even the pitch and floodlights are "deliberately positioned below the level of the surrounding terrain in order to reduce noise and light pollution for the neighbouring population".