Sentences with phrase «decay rate»
The phrase "decay rate" refers to how quickly something deteriorates or loses its quality or value over time. It measures the speed at which something decreases or breaks down. Full definition
The changes in radioactive decay rate tracked that pattern, rising and falling on cue over the course of the year.
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Yes, there is error in radioactive dating and variability in decay rates.
Low oxygen conditions slow decay rates, resulting in much of the carbon accumulating in the soil.
The overall decay rate would still be, on average, constant.
Beta decay rates can increase dramatically when atoms are stripped of all their electrons.
No known process can explain how they could mess around with radioactive decay rates.
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.
In part that affects both the d14C decay rate from the bomb impulse and the d13C sink rate from fossil fuel use (mainly caused by the THC sink / source, where the source still contains deep ocean waters, not affected by any change in the atmosphere).
Sedimentary layers, stalact.ites, water erosion over time, ice core data, tree rings, isotope decay rates.
«We developed three independent age - dating techniques that are based on the different decay rates of radium, thorium and lead isotopes.
As the vibrational amplitude decreases, the rate suddenly changes and the modes become decoupled, resulting in comparatively low decay rates, thus in very giant quality factors exceeding 1 million.
To see why it was explosive, see «When, Where, How, and Why Did Radioactive Decay Rates Accelerate?»
Radiometric dating is used to estimate the age of rocks and other objects based on the fixed decay rate of radioactive isotopes.
Carbon 14 assumptions, e.g. rate of C14 generation in upper atmosphere, have absolutely nothing to do with the lead - lead decay rate.
Now he had an important additional piece of information: Proximity to the sun seemed to influence radioactivity, and violent activity on the sun could also increase or decrease decay rates.
«So the theoretical particle physics community has been extremely interested to see what the two - muon decay rate is for this type of meson,» Padley said.
«From the measured decay rate, we could also determine the effective neutrino mass.»
Form Factors for New Physics Searches from Lattice QCD,» the LHCb experiment at CERN in Switzerland announced a new experimental measurement of the differential decay rate for this decay process.
u T. Ohtsuki et al., «Enhanced Electron - Capture Decay Rate of 7Be Encapsulated in C60 Cages,» Physical Review Letters, Vol.
Ribonuclease II preserves chloroplast RNA homeostasis by increasing mRNA decay rates, and cooperates with polynucleotide phosphorylase in 3 «end maturation
cardiomyocytes exhibit decreased peak shortening and maximal velocity of shortening / relengthening, prolonged time - to - 90 % relengthening, reduced intracellular calcium release upon electrical stimulus associated with a slowed intracellular calcium decay rate, and significantly higher oxygen levelse, and significantly higher oxygen levels
While tooth decay rates among the oat - eating Gaelics (1.2 %) and the rye - eating Swiss (4 %) were considerably higher than many other groups consuming their traditional diets (p. 441), though still dramatically lower than those consuming modernized diets, Price studied a number of grain - eating African tribes with much lower rates of tooth decay.
LD decay rate for 238U (1.551 X 10 - 10 yr - 1).
A 49 % drop at the weekend for This Is Us, suggests only slightly more hope for a gentler decay rate.
It's as if the Cookie Council decided only cookies bought from one particular shop were relevant to its global report, recorded only sales of the chocolate chip variety, and from that extrapolated tooth - decay rates across an entire nation.
So, explain how CO2 is able to re-radiate absorbed energy toward the surface, when its collisional decay rate in the troposphere is more than 10x faster than its radiative decay.
Turning greenhouse gas into stone: First carbon - negative power plant opens Radiometric dating is a technique used to date materials using known decay rates.
Most conventional flosses are made from nylon, a petroleum product with a very slow decay rate, which means that every piece of floss ever used hangs around on Earth for a long time.