Sentences with phrase «minimum age estimates»

Analyses of thin mineral deposits partly covering painted cave areas provided minimum age estimates for the art, based on known decay rates of radioactive uranium in the rock.

Not exact matches

They estimate that roughly one - third of Canadians in the 45 to 64 age range are likely to end up with incomes that fall short of adequate minimum incomes and / or incomes that will allow them to maintain their standard of living.
Starting at age 70.5, the calculator estimates required minimum distributions based on IRS Publication 590 - B.
An estimated natural age at weaning for humans would be a minimum of six times gestational length, or 4.5 years.
We found little evidence that between - study heterogeneity in estimates was explained by age at measurement of blood pressure (p = 0.5), decade of birth (p = 0.2), stipulation of a minimum duration of breastfeeding (p = 0.5), proportion of the target population in the main analysis (p = 0.2), whether breastfeeding was exclusive for at least 2 months (p = 0.2), method of blood pressure measurement (p = 0.4), or whether effect estimates controlled for socioeconomic factors (p = 0.9), maternal factors in pregnancy (p = 0.9), or current weight (p = 0.9).
Two prominent studies find modest effects, in one case estimating that each 1 % increase in the share of migrants in the UK working age population leads to a 0.6 % decline in the wages of the 5 % lowest paid workers, which would mean about 3p less per hour for someone earning just over the minimum wage of # 6.19.
He then used the concentration of naturally occurring but unstable uranium in the calcite to estimate how much time had passed since the popcorn formed, giving him a minimum age for the art.
To estimate the avian timetree with genomic - scale data, we used first and second codon positions from 1156 clock - like exon genes (which do not strongly exhibit the above protein - coding compositional bias), calibrated with 19 conservatively chosen avian fossils (plus nonavian outgroups) as minimum bounds for lineage ages (with a maximum - bound age constraint of 99.6 Ma for Neornithes), in a Bayesian autocorrelated relaxed clock method using MCMCTREE (77) on the fixed ExaML TENT topology (SM12).
A government - commissioned independent review by a panel of scientists known as JASON estimated that the plutonium primaries in the current warheads will last a minimum of a century in storage, however, and, therefore, recommended that no action be taken other than routine maintenance, such as replacing surrounding circuitry and parts as they age — a core function of the Lifetime Extension Program the W76s are currently undergoing.
While the overlap during deglaciations is large (which makes it near impossible to make any estimates of relative forcings), during the start of the last ice age, there was no overlap: CO2 started to decrease (some 40 - 50 ppmv) when the temperature was already near it's minimum.
U.S. Transportation Secretary Ray LaHood today unveiled two new National Highway Traffic Safety Administration (NHTSA) reports that estimate that seat belts saved more than 72,000 lives during the five years between 2005 and 2009, while child restraint systems and minimum drinking age laws saved hundreds more during 2009.
4) IRS Age 70 1/2 Minimum Required Distributions (MRD, or AKA MDIB and RMD): RWR will estimate the annual minimum distribution amounts that need to be withdrawn from traditional IRAs and 401 (k) s far into the Minimum Required Distributions (MRD, or AKA MDIB and RMD): RWR will estimate the annual minimum distribution amounts that need to be withdrawn from traditional IRAs and 401 (k) s far into the minimum distribution amounts that need to be withdrawn from traditional IRAs and 401 (k) s far into the future.
While the overlap during deglaciations is large (which makes it near impossible to make any estimates of relative forcings), during the start of the last ice age, there was no overlap: CO2 started to decrease (some 40 - 50 ppmv) when the temperature was already near it's minimum.
Estimates of Northern hemisphere surface temperatures from 1610 to 1800 — during part of the so - called Little Ice Age — correlate well with a reconstruction of changes in solar total radiation — around the time of the Maunder Minimum (Fig. 2c).
For the Late Pleistocene ice ages, estimates of tropical sensitivity are approximately 3 - 4C for a doubling of pCO2, which we suggest represents a minimum value for global sensitivity during the last ~ 500,000 years.
The computer program estimated the age of those people who had suffered a brain injury to be a minimum of five years older than their actual age.
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