Sentences with phrase «in decay rates»

The overstatement of new traditional author earnings may arise from differences in the decay rates between the BookBub promotion and Amazon's sales rank.

Yes, there is error in radioactive dating and variability in decay rates.

And I know it's density strongly affected by Solar Min and max - which make difference in decay rate of satellite [more dense this atmosphere quicker it decays due to drag.

Not exact matches

I have long been a strong advocate of debt - financed public investment in the context of low interest rates and a decaying US infrastructure, so I was glad to see Mr Trump emphasise it.

Data in your sales and marketing systems decays at rates of 30 - 70 % every year.

In fact, decay rates have been increased in the laboratory by a factor of a billioIn fact, decay rates have been increased in the laboratory by a factor of a billioin the laboratory by a factor of a billion.

You do not know how or when the carbon molecule was created, nor do you know whether the rate of decay was constant (you assume it instead) because you can not measure the conditions in the past.

Quantum mechanics can only in abstract account for decay it does not affect the rate of decay.

Carbon 14 assumptions, e.g. rate of C14 generation in upper atmosphere, have absolutely nothing to do with the lead - lead decay rate.

He simply could not understand how fossils could be dated and was just positive that man ate all the dinosaurs, and no matter how hard I tried to explain how sediment layers build up at consistent rates, how radio carbon decays at a predictable rate, how fossils form and why we know this, nothing I told him could convince him that T - rexs did not run the earth in the «time of Adam and Eve».

If the production rate of C - 14 in the atmosphere was less in the past, dates given using the carbon - 14 method would incorrectly assume that more had decayed out of a specimen than what actually occurred, and would result in faulty data.

This holds whether we are thinking of how to grow more grain in the tropics, reduce the birth rate, control inflation, stimulate economic growth, get rid of tooth decay, provide better health care, find some way to turn garbage into a useful resource, reduce air pollution, win the next election, avoid war with Russia, develop human potential, extend the length of life, or find a cure for cancer.

Off topic questions included: the ISIS in Iraq and potential threats to New York, his hair color in a World Cup themed picture, the City's negotiations with CW Capital concerning Stuyvesant Town, whether he concerned that religion - affiliated CBO's pre-K programs will involve some religious instruction or indoctrination, the Rent Guidelines Board and a possible rent increase, rating his administration on it's FOIL responsiveness, whether subway dancers are a «sign of urban decay», whether he is contemplating a special district for failing schools and whether there is symbolism is seeking to bring the Democratic National Convention to Brooklyn rather than Manhattan and whether he has coordinated that effort with Hillary Clinton.

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.

Mysterious seasonal wobbles in the rate of radioactive decay may be caused by elusive particles from the sun

Hitlin, Dorfan, and Oddone wanted to analyze differences in the rate of decay of Bs and anti-Bs that might show how matter managed to survive the conflagration that followed the Big Bang.

In the summer of 2001, the BaBar researchers, after sorting through some 30 million B and B - bar decays, announced that they had found evidence of a difference between the decay rates of matter and antimatter.

The changes in radioactive decay rate tracked that pattern, rising and falling on cue over the course of the year.

A sharp drop in the radioactive decay rate could alert the world to another Carrington Event.

«The radionuclide ratios we measured in the sediments and the rates of decay and growth of radioactive elements in the impacted sediments allowed us to essentially age - date the contamination to after 2011,» she explained.

Members of a team led by paleoanthropologist Isaiah Nengo estimated the fossil's age by assessing radioactive forms of the element argon in surrounding rock, which decay at a known rate.

Also that day, Fischbach recalls, «when we looked at our data there was a sharp drop in the count rate [the rate of radioactive decay], exactly coincident with the flare.»

If the Higgs really decays into photons at too fast a rate, it would offer some clues as to where to look for new physics that might explain mysteries like dark matter, gravity and the dearth of antimatter in the universe.

But frustratingly, with that tightening of the statistics came a drop in the rate of decays to photon pairs, which muddies the waters.

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.

This decay occurs at a known rate, so by determining the amount of argon - 40 in a sample, researchers can calculate the sample's age.

Food scraps, alternatively, decay and start producing methane at about the same rate in all regions.

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.

I read your article on apparent seasonal changes in radioactive decay rates (17 November, p 42).

«New mechanism detected in Alzheimer's disease: Rate of RNA decay could be a key to breakdown in communication between neurons.»

(In L. humile, the pheromone concentrations do decay but at a very slow rate.)

Williams looked at the radioactive elements uranium and thorium trapped in these calcite crystals, using them as a kind of clock based on the rate at which uranium decays into thorium.

Stephen's rate of speech is down to about one word per minute, and while I am making slight advances in the technology he is using, the nerve decay has now reached the point where we need to move to some new technology.

They add that the study did not look at the time lag between implementation and effect of the changes, but suggest that improvements in tooth decay would be seen first, followed by reduced rates of obesity and cases of type 2 diabetes.

The reason is that a number of other processes exist that are hard to differentiate from the Higgs particle's decay in b - quarks and that occur at a much higher rate.

Each year, the decay rate is at its greatest around February and reaches a minimum in August.

(All organisms take in carbon - 14, a rare radioactive isotope, while they are living; when they die, the carbon decays at a steady rate.

Geochronologists often use known rates of radioactive decay of elements in rocks to determine the age of the rock.

Known as the «sulfur pearl of Namibia,» this anaerobic species digests organic matter under low - oxygen (or no - oxygen) conditions that are caused by high rates of phytoplankton growth in the Benguela upwelling zone, and the subsequent decay of large masses of dead phytoplankton that have fallen to the seafloor.

Presumably, such a planet could move into the habitable zone and stay in it if it's orbit keeps decaying at the correct rate.

Ribonuclease II preserves chloroplast RNA homeostasis by increasing mRNA decay rates, and cooperates with polynucleotide phosphorylase in 3 «end maturation

When we look at native populations with low rates of tooth decay, these populations had 4x the minerals in their diets and 10x the fat soluble vitamins.

Flossing lowers the decay rate and stimulates the gums, which leads to less gum recession and gum disease later in life.

Scientists were successful in reversing mitochondrial decay in old rats by feeding them alpha lipoic acid and acetyl - carnitine in higher levels, which served to speed up the enzymes» ability to function as well as to increase cognition and improve heart rate.23 Animal - based foods such as beef, chicken, milk and cheese are good sources of acetyl - carnitine.24

As Dr. Weston A. Price (a dentist) found and detailed in Nutrition and Physical Degeneration, there were cultures throughout the world who had perfect teeth despite no access to dentists or modern toothpaste, while similar cultures with different diets had very high rates of tooth decay.

Not all native diets were equal, however: those in which animal foods were virtually absent, for example, produced much lower rates of tooth decay than found on modern, refined diets, but much higher rates of tooth decay than found on diets containing a significant amount of animal foods.

You might notice that sugar dissolves in hot water faster, or putting food in the refrigerator will slow the rate of decay.

Price found the same rate of tooth decay among the Dinkas in Jebelein, Sudan, who similarly subsisted on fish and cereals (p. 150).

Two major dating methods applied to artifacts and fossils are stratagraphic dating (based upon the particular layer of rock of sediment in which the object is found) or radiometric dating (which is based on the decay rates of certain radioactive isotopes).

The idea of scientifically dating the shroud had first been proposed in the 1960s, but permission had been Radiometric dating is a technique used to date materials using known decay rates.