What's the difference between frequency and synchronous?

Frequency


Definition:

  • (n.) The condition of returning frequently; occurrence often repeated; common occurence; as, the frequency of crimes; the frequency of miracles.
  • (n.) A crowd; a throng.

Example Sentences:

  • (1) The typical findings have been related to their anatomical localisation and frequency.
  • (2) It was shown that delta F508 frequency of CF-patients was 59.2%, the frequencies of S5491, G551D and K533X were about 1%.
  • (3) Neutrons induced a dose-dependent cytotoxicity and mutation frequency in the AL cells.
  • (4) The frequency of rare fragile sites was studied among 240 children in special schools for subnormal intelligence (IQ 52-85).
  • (5) Increased infusion flow rate did not increase the limiting frequency.
  • (6) Large gender differences were found in the correlations between the RAS, CR, run frequency, and run duration with the personality, mood, and locus of control scores.
  • (7) As prolongation of the action potential by TEA facilitates preferentially the hormone release evoked by low (ineffective) frequencies, it is suggested that a frequency-dependent broadening of action potentials which reportedly occurs on neurosecretory neurones may play an important role in the frequency-dependent facilitation of hormone release from the rat neurohypophysis.
  • (8) The main result of the correspondence analysis is a geometric map of this relationship showing how the relative frequencies of headache types change with age.
  • (9) This exploratory survey of 100 patients with rheumatoid arthritis (RA) was conducted (1) to learn about the types and frequencies of disability law-related problems encountered as a result of having RA, and (2) to assess the respective relationships between the number of disability law-related problems reported and the patients' sociodemographic and RA disease characteristics.
  • (10) The frequency of gastric malignancies in the families of the women with gastric polyps was higher than in the controls and in men, 6.2, 3.1 and 2.4 percent, respectively (p less than 0.05, and p less than 0.025).
  • (11) There was no important difference in the frequency of HLA-A,B,C, and DR antigens between patients and controls.
  • (12) The high frequency of increased PCV number in San, S.A. Negroes and American Negroes is in keeping with the view that the Khoisan peoples (here represented by the San), the Southern African Negroes and the African ancestors of American Blacks sprang from a common proto-negriform stock.
  • (13) The decline in the frequency of serious complications was primarily due to a decrease in the proportion of patients with open fractures treated with plate osteosynthesis from nearly 50% to 19%.
  • (14) Thus, successful thrombolysis decreases the frequency of ventricular ectopic activity and late potentials in the early postinfarction phase.
  • (15) Such a need has occurred in New York City, where schistosomiasis, with its protean manifestations has been seen with increasing frequency.
  • (16) The types, frequency, and clinical features of neoplasms encountered in the perinatal period are markedly different from those observed in older children and adolescents.
  • (17) This transient paresis was accompanied by a dramatic fall in the MFCV concomitant with a shift of the power spectrum to the lower frequencies.
  • (18) Their receptive fields comprise a temporally and spatially linear mechanism (center plus antagonistic surround) that responds to relatively low spatial frequency stimuli, and a temporally nonlinear mechanism, coextensive with the linear mechanism, that--though broad in extent--responds best to high spatial-frequency stimuli.
  • (19) Each test was examined by the frequency with which it was ordered, the frequency with which it was abnormal, and the frequency with which the abnormal result affected preoperative care.
  • (20) Right hemisphere inactivation caused a decrease in the frequency of lateral hypothalamus self-stimulation, whereas with left hemisphere inactivation it increased, which testifies to right hemisphere dominance in self-stimulation reaction.

Synchronous


Definition:

  • (a.) Happening at the same time; simultaneous.

Example Sentences:

  • (1) 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).
  • (2) Histone mRNA, labeled with 32P or 3H-methionine during the S phase of partially synchronized HeLa cells, was isolated from the polyribosomes and purified as a "9S" component by sucrose gradient sedimentation.
  • (3) An experimental model was established in the ewe allowing one to predict with accuracy an antral follicle that coincidentally would either undergo ovulation (6-8 mm diameter) or atresia (3-4 mm diameter) following synchronization of luteal regression and the onset of the gonadotropin surge.
  • (4) By means of rapid planar Hill type antimony-bismuth thermophiles the initial heat liberated by papillary muscles was measured synchronously with developed tension for control (C), pressure-overload (GOP), and hypothyrotic (PTU) rat myocardium (chronic experiments) and after application of 10(-6) M isoproterenol or 200 10(-6) M UDCG-115.
  • (5) As the frequency of the stimulus bursts was progressively changed, the sinoatrial (SA) nodal pacemaker cells became synchronized with the repetitive bursts of stimuli over a certain range of burst frequencies.
  • (6) The analysis suggests that the wave-peak discharge results from synchronous alternation of depolarization potentials and long periods of postsynaptic inhibition in most of the cortical elements.
  • (7) A synchronization of plasma prorenin with the other hormones was seen both before, as previously reported, and during enalapril treatment.
  • (8) 77 per cent of the synchronous tumors were located in the left colon.
  • (9) The spore germination was synchronized by selection of the spores of the definite size and maintenance at a temperature of 0 degrees.
  • (10) The average vlaues of the correlation coefficients were found to increase from arousal through slow synchronized sleep (S sleep), reaching the highest value in REM sleep.
  • (11) A review of 90 patients presenting in Leeds over the period 1976-80 with synchronous hepatic metastases from colorectal cancer has been undertaken.
  • (12) A system for obtaining synchronous germination of mitospores is described.
  • (13) Treatment with 0.3 microM or 0.7 microM BPDE-I, which are doses that interfere with DNA synthesis in operating replicons in asynchronous cells, also inhibited the growth of nascent DNA strands in synchronized cells by 22 and 64%, respectively.
  • (14) Electrographically, the motor phenomena corresponded with the occurrence of periodic synchronous discharges (PSD) (in one-to-one manner).
  • (15) A synchronic increase and decrease of IgG-1 serum levels and indirect fluorescent antibody titres were observed during the course of the infection.
  • (16) Rabbit morulae and blastocysts were cultured in conventional culture media [Ham's F10 or BSM II supplemented with bovine serum albumin (BSA) or serum] or in Ham's medium supplemented with synchronous or asynchronous uterine flushings, mostly for 2 days, and afterwards investigated by light and electron microscopy and by autoradiography.
  • (17) However, a region containing pixels that are perfectly synchronous on average would still yield a finite distribution of calculated Fourier coefficients due to the propagation of stochastic pixel noise into the calculated values.
  • (18) The uterine osteosarcoma is the seventh case reported in the world, while it is the second case of synchronous triple primary tumors of the upper female genital tract.
  • (19) A consequence of periodic clusters of cellular bursts was the widespread occurrence of periodic synchronized synaptic potentials, as have been observed in hippocampal slices and human temporal neocortical slices.
  • (20) This syncitium-like arrangement is interpreted as the morphological counterpart of a possibly synchronized function of these cells.