What's the difference between peak and pullback?

Peak


Definition:

  • (n.) A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap.
  • (n.) The top, or one of the tops, of a hill, mountain, or range, ending in a point; often, the whole hill or mountain, esp. when isolated; as, the Peak of Teneriffe.
  • (n.) The upper aftermost corner of a fore-and-aft sail; -- used in many combinations; as, peak-halyards, peak-brails, etc.
  • (n.) The narrow part of a vessel's bow, or the hold within it.
  • (n.) The extremity of an anchor fluke; the bill.
  • (v. i.) To rise or extend into a peak or point; to form, or appear as, a peak.
  • (v. i.) To acquire sharpness of figure or features; hence, to look thin or sicky.
  • (v. i.) To pry; to peep slyly.
  • (v. t.) To raise to a position perpendicular, or more nearly so; as, to peak oars, to hold them upright; to peak a gaff or yard, to set it nearer the perpendicular.

Example Sentences:

  • (1) The coefficient of variation in the integrated area of a single peak is 16%.
  • (2) Here we show that this induction of AP-2 mRNA is at the level of transcription and is transient, reaching a peak 48-72 hr after the addition of RA and declining thereafter, even in the continuous presence of RA.
  • (3) Amino acid sequence analysis showed that both peaks had identical N-terminal sequences through the first 28 residues.
  • (4) These observations were confirmed by the killing curves in pooled serum obtained at peak and trough levels.
  • (5) The peak molecular weight never reached that of a complete 2:1 complex.
  • (6) Peak Expiratory Flow and Forced Expiratory Mean Flows in the ranges 0-25%, 25-50% and 50-75% of Forced Vital Capacity were significantly reduced in animals exposed to gasoline exhaust fumes, whereas the group exposed to ethanol exhaust fumes did not differ from the control group.
  • (7) We’re learning to store peak power in all kinds of ways: a California auction for new power supply was won by a company that uses extra solar energy to freeze ice, which then melts during the day to supply power.
  • (8) No significant correlations of peak VO2 were observed between the 3 tests.
  • (9) Peaks in the sperm index were preceded by 6 days with peaks in the serum testosterone concentration.
  • (10) Peak incidence is found among 40 to 49-year-old and 60 to 64-year-old women.
  • (11) The remainder of the radioactivity appeared chromatographically just prior to the bisantrene peak, indicating that compounds more polar than the parent were present as transformation products.
  • (12) The curve of mitoses peaked at the same time as that of TK activity but was only 68% as extensive.
  • (13) We conclude that the rat somatosympathetic reflex consists of an early excitatory component due to the early activation of RVL-spinal sympathoexcitatory neurons with rapidly conducting axons and a later peak that may arise from the late activation of these same neurons as well as the early activation of RVL vasomotor neurons with more slowly conducting spinal axons.
  • (14) The ACTH deficiency recovered spontaneously, with normal cortisol responses to depot Synacthen (greater than 1380 at 6 h) and hypoglycemia (peak, 590) 14 and 18 months postpartum, respectively.
  • (15) No relationship was found with the absolute value of either peak or area GH.
  • (16) GnRH infusion produced an immediate increase in plasma LH concentrations in the mares that ovulated during the infusion period and LH levels peaked at the time of ovulation.
  • (17) In guinea pig ventricular myocytes, the positive contractile staircase was associated with ascending staircases of both peak systolic and end diastolic [Ca2+]i because of a cumulative increase in diastolic [Ca2+]i.
  • (18) A considerably greater increase in the peak plasma OT concentration resulted when hungry foster litters of 6 pups were suckled after the mothers' own 6 pups had been suckled.
  • (19) The incidence was 0.31 per 1000 gynaecological admissions and the peak age incidence was in the age group 26 to 35 years.
  • (20) A relative net reduction of 47% in lactose malabsorption was produced by adding food, and the peak-rise in breath H2 was delayed by 2 hours.

Pullback


Definition:

  • (n.) That which holds back, or causes to recede; a drawback; a hindrance.
  • (n.) The iron hook fixed to a casement to pull it shut, or to hold it party open at a fixed point.

Example Sentences:

  • (1) A group of economists told the Wall Street Journal that is exactly what is happening : They blame our lackluster recovery this year on a pullback in spending and investment by US companies, which are afraid that the fallout from a fiscal cliff could compromise their ability to find funding or function normally.
  • (2) Although an uncommon lesion, when pulmonary stenosis is considered, pulmonary artery and right ventricular pressures should be assessed simultaneously on two-catheter pullback to appreciate the precise location of pulmonary-right ventricular pressure gradients.
  • (3) Those who have grown pessimistic about a deal with Mahmoud Abbas, the Palestinian president, can nevertheless imagine reaching a bargain with a coalition of Arab states, one that would include an Israeli pullback from occupied Palestinian territory.
  • (4) Correlation (r = 0.95) between continuous-wave Doppler estimates and catheter pullback pressure gradients across the conduits was excellent.
  • (5) An extra 3,100 peacekeeping troops will be sent to Congo, the UN Security Council said today, even though rebels said they remained committed to a pullback from the front lines.
  • (6) Echocardiography confirmed the position of the septostomy catheter before pullback.
  • (7) Validation studies showed that sphincter imaging based on a stepwise pullback of a catheter with four or eight radial side holes is superior to a rapid motorized pullback.
  • (8) At specified time points between 1 and 41 days after the initial balloon pullback injury, the iliac arteries were analyzed by angiographic, morphometric, and immunocytochemical techniques.
  • (9) Other approaches used to determine the mean transaortic valve gradient were less accurate: simultaneous LV-FA (R = 0.991); aligned LV-FA (R = 0.974); averaged simultaneous and aligned LV-FA (R = 0.981); and nonsimultaneous LV-aorta pullback (R = 0.953).
  • (10) A 22-year-old-man with intermittent obstruction of the subclavian vein at the thoracic outlet was evaluated by a pullback venous pressure gradient measurement and phlebography.
  • (11) By traversing the inflow tract of the left ventricle on pullback from the left atrium to the aorta, this method served to separate definitively true hypertrophic subaortic stenosis from cavity obliteration.
  • (12) To examine if any obstruction to LV outflow was caused by the micromanometer, cardiac performance was assessed during pullback from the ventricle to the aorta.
  • (13) It is determined by computer analysis of continuous-pressure measurements during constant speed pullback of a radially oriented 4- 6- or 8-channel manometry catheter across the LES.
  • (14) The ceasefire and weapons pullback is to be monitored by the Organisation for Security and Cooperation in Europe (OSCE).
  • (15) In 18 patients with AS, the pressure gradient was quantitated from (1) simultaneous left ventricular and ascending aortic pressures (LV-AO), (2) nonsimultaneous LV-AO pullback, (3) LV and femoral arterial (FA) pressures unadjusted for the time delay of the FA tracing (LV-FA unadjusted), and (4) LV-FA adjusted for time delay.
  • (16) For Lebanon watchers both here and in Washington, the statements have contributed to a long-running belief that an opposition win – even one in which Hezbollah held only a handful of non-security-related cabinet positions – would trigger a broad US pullback from the country, especially as far as funding the Lebanese army is concerned.
  • (17) We conclude from these preclinical studies that retrograde atherectomy with the Pullback Atherectomy Catheter is a feasible means of performing definitive atherectomy.
  • (18) IMF director José Viñals said: "Faltering confidence and policy uncertainty have led to a pullback of cross-border private capital flows from the periphery – quite an extraordinary phenomenon within a currency union."
  • (19) He zips into the box, reaches the byline, and attempts to find Lavezzi with a pullback.
  • (20) • Despite Thursday's pullback from Salahedin by the FSA, analysts suggest the military balance may be changing .