What's the difference between log and zero?

Log


Definition:

  • (n.) A Hebrew measure of liquids, containing 2.37 gills.
  • (n.) A bulky piece of wood which has not been shaped by hewing or sawing.
  • (n.) An apparatus for measuring the rate of a ship's motion through the water.
  • (n.) Hence: The record of the rate of ship's speed or of her daily progress; also, the full nautical record of a ship's cruise or voyage; a log slate; a log book.
  • (n.) A record and tabulated statement of the work done by an engine, as of a steamship, of the coal consumed, and of other items relating to the performance of machinery during a given time.
  • (n.) A weight or block near the free end of a hoisting rope to prevent it from being drawn through the sheave.
  • (v. t.) To enter in a ship's log book; as, to log the miles run.
  • (v. i.) To engage in the business of cutting or transporting logs for timber; to get out logs.
  • (v. i.) To move to and fro; to rock.

Example Sentences:

  • (1) It was found that linear extrapolations of log k' versus ET(30) plots to the polarity of unmodified aqueous mobile phase gave a more reliable value of log k'w than linear regressions of log k' versus volume percent.
  • (2) The ED50 and ED95 of mivacurium in each group were estimated from linear regression plots of log dose vs probit of maximum percentage depression of neuromuscular function.
  • (3) Probability distributions are fitted to these data and it is shown that the log-series distribution best fits the data for two subgroups.
  • (4) Each line exhibited 1-4 log differences in sensitivities to the two toxins.
  • (5) At a concentration of 10 microM, tetraamine 4 did not affect histamine and 5-hydroxytryptamine receptors of guinea pig ileum or alpha-adrenoreceptors of guinea pig atria whereas it inhibited postsynaptic alpha-adrenoreceptors of rat vas deferens with a -log K value of 5.23 and nicotinic receptors of frog rectus abdominis with an IC50 value of 0.23 microM.
  • (6) The best compound was trans-alpha-[[(4-bromotetrahydro-2H-pyran-3-yl) amino]methyl]-2-nitro-1H-imidazole-1-ethanol (18), which, due to its activity and log P value, is a candidate for additional in vivo studies.
  • (7) The final approved log contained 72 problems, 64 of which received importance ratings greater than or equal to 2 on the three-point scale.
  • (8) All are satisfied by [Formula: see text], where N is the size of rod signal, constant for threshold; theta, theta(D) are steady backgrounds of light and receptor noise; varphi is the threshold flash with sigma a constant of about 2.5 log td sec; B the fraction of pigment in the bleached state.
  • (9) The results clearly demonstrate local separability in this log frequency and orientation discrimination domain.
  • (10) Positive correlations were observed between mean log fasting insulin concentration and all parameters of obesity except log triceps skinfold thickness in men.
  • (11) Cocaine, 3 microM, shifted the noradrenaline concentration response curve to the left about 0.4 log units in all renal vessel groups, thus renal vascular smooth muscle sensitivity to noradrenaline was significantly greater in vessels from rats receiving CyA than in vessels from control rats.
  • (12) Details of sexual activity and experience were followed by the use of daily logs.
  • (13) The results should be analysed by the Kaplan-Meier estimator, and patency rates should be compared by the log-rank test or Gehan's test.
  • (14) There was a significant negative correlation between propranolol level (log-transformed) and glycemic responses, suggesting that propranolol has direct effect on the latter.
  • (15) Evaluation of lymphocyte phenotype frequencies, functional responses, serum immunoglobulin levels, and autoantibodies was completed for 38 individuals (i.e., 10 families) who were exposed to pentachlorophenol (PCP) in manufacturer-treated log houses.
  • (16) Spatial summation was found to decrease by 30-50% as the cell was light-adapted to a threshold some 4 log units above the dark-adapted one.
  • (17) The difference in binding capacity was of the same order of magnitude as the difference in sodium content, indicating that the excess sodium in the thoracic aortas from the hypertensive rats was osmotically inactive and thus unable to cause water logging.
  • (18) The equations of best fit of log(wax esters) vs age suggested that sebum secretion declines about 23% per decade in men and 32% per decade in women.
  • (19) Challenge studies using the standard National Veterinary Services Laboratory laryngotracheitis (LT) challenge virus (Log 10(6.7) EID50 per ml) were conducted to assess the presence of maternal protection in chicks of various ages (1, 7, 14, 21, and 28 days).
  • (20) In lymph node-positive patients a trend between high TA1 reactivity and a worse overall survival was also noted (log rank P = 0.128; Wilcoxon P = 0.054), with a 6-year survival of 42% in the strongly reactive tumors (n = 16) and 65% in the negative to weakly reactive carcinomas (n = 105).

Zero


Definition:

  • (n.) A cipher; nothing; naught.
  • (n.) The point from which the graduation of a scale, as of a thermometer, commences.
  • (n.) Fig.: The lowest point; the point of exhaustion; as, his patience had nearly reached zero.

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) Of great influence on the results of measurements are preparation and registration (warm-up-time, amplification, closeness of pressure-system, unhurt catheters), factors relating to equipment and methods (air-bubbles in pressure-system, damping by filters, continuous infusion of the micro-catheter, level of zero-pressure), factors which occur during intravital measurement (pressure-drop along the arteria pulmonalis, influence of normal breathing, great intrapleural pressure changes, pressure damping in the catheter by thrombosis and external disturbances) and last not least positive and negative acceleration forces, which influence the diastolic and systolic pulmonary artery pressure.
  • (3) The final model has a probability 0.08 of underlying survival time being zero and, given non-zero survival time, takes the form of an exponential distribution with mean of 14.95 months.
  • (4) Robert Francis QC's official report in February on the Mid Staffordshire care scandal, in which an estimated 400 to 1,200 patients died unnecessarily at Stafford hospital between 2005 and 2008, called for the NHS to make "zero harm" its objective.
  • (5) Proper maintenance of body orientation was defined to be achieved if the net angular displacement of the head-and-trunk segment was zero during the flight phase of the long jump.
  • (6) Electromagnetic flow probes with an inner diameter of 2, 1.5 and 1 nm were used for studies on zero-line drifting and for calibration procedures in a series of rats and rabbits.
  • (7) The open probability is weakly voltage dependent, large at zero and positive potentials (cytoplasm minus SR lumen), and decreasing at negative potentials.
  • (8) Stepwise depolarizations from the holding potential (-67 to -83 mV) to a potential which varied from -10 to +63 mV resulted in an exponential decline of h from its initial level to a final, non-zero level.
  • (9) Average increases in nonvellus hair counts between months 4 and 12 were 216, 181, and 264 in the 2% minoxidil, 3% minoxidil, and placebo-to-3% minoxidil crossover groups, respectively, all highly significant differences from zero (p = 0.0001).
  • (10) For data sampled at a high rate (approximately 200 Hz) pupil velocity deviations from zero can simply be used, giving a satisfactory inaccuracy of about 5 ms. For data sampled at a low rate (less than 50 Hz), e.g.
  • (11) In 15 patients undergoing aortofemoral bypass, partial thromboplastin time (PTT) tests before and following intravenous administration of 75 U. per kilogram of heparin at zero, 30, 60, 90, and 120 minutes were determined for study of control of anticoagulant adequacy.
  • (12) As an index of inhomogeneous distribution of inspired air, the mean dilution number (the ratio of the first to zero moments) was calculated from each multibreath nitrogen washout during spontaneous breathing.
  • (13) Blood pressure was measured with a random-zero sphygmomanometer every 2 weeks of this 8-week trial.
  • (14) Pairwise correlation between an affected parent and child is zero: The disease is monogenic (no major expression gene).
  • (15) Where no fluoride was taken zero dmf scores were 41-69 per cent.
  • (16) He deploys a zero-risk strategy aimed at keeping his rightwing political base behind him, while convincing the public that he alone could lead the country in times of regional turmoil.
  • (17) Furthermore, the value of the flux ratio for this substance under conditions of zero electrochemical potential across the bowel wall unequivocally demonstrates active transport.
  • (18) As a result, more and more people are beginning to look towards Irish reunification as being a real possibility.” The overriding issue, however, in this most marginal constituency in Northern Ireland is the old binary, sectarian one: the zero-sum game of orange versus green.
  • (19) A reduction of tidal volume to zero or an increase by 30% led to a corresponding change of mean carotid artery pH level.
  • (20) The incidence of probable type B viral hepatitis in patients receiving factor IX concentrate was 13.8 percent (four of 29) versus zero percent (zero of 29) in control patients (difference not significant).

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