What's the difference between duration and lifetime?

Duration


Definition:

  • (n.) The state or quality of lasting; continuance in time; the portion of time during which anything exists.

Example Sentences:

  • (1) 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.
  • (2) The difference in HDL and HDL2 cholesterol concentrations between the MI+ and MI- groups or between the MI+ and CHD- groups persisted after adjustment by analysis of covariance for the effect of physical activity, alcohol intake, obesity, duration of diabetes, and glycemic control.
  • (3) The active agents modestly improved treadmill exercise duration time until 1 mm ST segment depression (3%), and only propranolol and diltiazem had significant effects.
  • (4) However, there was no consistent protocol for the method or duration of drug administration.
  • (5) 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.
  • (6) Careful attention must be given to antibiotic choice as well as the dose and duration of therapy.
  • (7) We conclude that increased duration of exercise can lead to reduced PDH complex activity in rat muscles.
  • (8) These episodes continued for the duration of the suckling test and were enhanced when a second pup was placed on an adjacent nipple.
  • (9) Results demonstrate that the development of biliary strictures is strongly associated with the duration of cold ischemic storage of allografts in both Euro-Collins solution and University of Wisconsin solution.
  • (10) There is a relationship between the duration of stimulation (t) and the total heat production (H) of the type H = A plus bt, where A and b are constants.
  • (11) It is suitable either for brief sampling of AP durations when recording with microelectrodes, which may impale cells intermittently, or for continuous monitoring, as with suction electrodes on intact beating hearts in situ.
  • (12) There was no correlation between disturbed gastric clearance, impaired gall bladder contraction, and prolonged colonic transit time in the patients with cardiovascular autonomic neuropathy nor was there a correlation between any disturbed motor function and age or duration of diabetes.
  • (13) In electrophysiological studies with neurons of Lymnaea stagnalis, THA inhibited the slow outward K+ current and consequently increased the duration of the action potentials.
  • (14) A study of the time-course of the response during aortic stenosis of 30 min duration showed early release of renin from the innervated kidney at a time (5 min) when little release occurred from the denervated one.
  • (15) The elimination half-life of most beta-agonists is relatively short, and pharmacokinetics are independent of dose and duration of treatment.
  • (16) IgG antibody titres to Coxsackie B1-B6 were measured in 113 insulin-dependent diabetes mellitus (IDDM) patients whose mean age was 12.2 years and mean duration of IDDM was 4.6 years, and in 87 normal sibling controls whose mean age was 13.8 years.
  • (17) The maximum duration of the drainage was 24 days and complete recovery was obtained in all patients without further surgical treatments.
  • (18) This study provides strong and unexpected evidence that one admission to hospital of more than a week's duration or repeated admissions before the age of five years (in particular between six months and four years) are associated with an increased risk of behaviour disturbance and poor reading in adolescence.
  • (19) The results suggest that the response continued unabated throughout the duration of exposure to hypoxia.
  • (20) The duration of action correlated with the elimination half-life of the drug (r = 0.87; P less than 0.003) and area under the plasma concentration curve (r = 0.72; P less than 0.03).

Lifetime


Definition:

  • (n.) The time that life continues.

Example Sentences:

  • (1) The enzyme is immobilized to provide better control over its catalytic activity and to increase the lifetime of the biosensor.
  • (2) Five horses raced successfully and lowered the lifetime race records, 1 horse was sound and trained successfully, but died of colic, and 1 horse was not lame in early training.
  • (3) Fertility of American women for the period 1935-1968 was studied by use of such lifetime probabilities.
  • (4) In a lifetime study, female beagle dogs in a closed colony were administered 226radium and 90strontium.
  • (5) He poses a far greater risk to our security than any other Labour leader in my lifetime September 12, 2015 “Security” appears to be the new watchword of Cameron’s government – it was used six times by the prime minister in an article attacking Corbyn in the Times late last month, and eight times by the chancellor, George Osborne, in an article published in the Sun the following day.
  • (6) The estimated mean decrement in KCO for a cadmium worker employed 5 or more years with a cumulative exposure of 2000 yr.microgram.m-3 (exposure to the current UK control limit of 50 micrograms.m-3 for a working lifetime of 40 yr) lies between 0.05 and 0.3 mmol.min-1.kPa-1.l-1 (95% confidence interval).
  • (7) For one porphyrin the binding equilibrium was also measured by measuring the lifetime of tryptophan and also by measuring the polarization of bound porphyrin.
  • (8) The reduction in channel lifetime caused by cholesterol, however, was much larger than would be predicted from its effects on bilayer thickness and surface tension.
  • (9) The favourable effects result primarily from the removal of intraepithelial lesions preventing the occurrence of invasive tumours.In countries where resources are limited, the aim should be to screen every woman once in her lifetime between 35 and 40 years of age.
  • (10) Dibucaine photophysics was also studied and the short lifetime of the neutral form of the anaesthetic with respect to that of the monoprotonated species was attributed to an intramolecular charge-transfer interaction.
  • (11) Now, 42 years later, he lives in the same flat in Portland Place, central London, though he is richer by £1bn, a peer in the House of Lords, and this week received a lifetime achievement gong at the Asian Business Awards.
  • (12) It is no longer physically possible nor considered socially valuable to spend a lifetime bearing and rearing children, even for those women who desire to do so.
  • (13) The home fans were lifted by the sight of Billy Bonds, a legend in these parts, being presented with a lifetime achievement award before the kick-off and the former West Ham captain and manager probably would have enjoyed playing in Allardyce's combative midfield.
  • (14) A pure Domal magnesium anode was utilized with this cathode, which seemed to be a good compromise between to battery's voltage, its lifetime, and its lack of toxicity to body tissues.
  • (15) Fluorescence and phosphorescence spectra and lifetime studies revealed that at least 75% of the porphyrins were bound to metal, probably Zn, while the rest was free.
  • (16) Their unique point of view comes from diverse social and cultural experiences punctuated by a lifetime of inequities.
  • (17) Andrew Strauss accepted the award for team of the year on behalf of the England cricket team while a moving tribute to Seve Ballesteros - presented the lifetime achievement award by José María Olazábal - was streamed live from Spain.
  • (18) An epidemiologic survey of the lifetime and six-month prevalence rates of several psychiatric disorders was conducted in Puerto Rico.
  • (19) The show is so out of touch that 17-year-old contestant Nicholas McDonald complained to Dermot live on air during week five that none of the genres had happened within his lifetime.
  • (20) Commenting on the potential £300,000 lifetime gap highlighted in Monday’s analysis, the TUC general secretary, Frances O’Grady, said: “Far more must be done to tackle the UK’s gender pay gap.