Sentences with phrase «previous studies estimated»

Previous studies estimated that one in three cats are likely to develop kidney disease during their lifetime.
Previous studies estimated that Earth has 1 trillion microbial species, with 98 per cent yet to be identified.
And for another, the previous studies estimate that Earth's climate will rapidly respond to the changes.
A previous study estimated that the R2 of most ecological research ranges was between 0.02 and 0.05, but few researchers will publish results with such small explanatory power.
Previous studies estimate that birds can use 20 % to 30 % less energy while flying in a V.
Previous studies estimate that 1.8 million arthroplasty procedures are performed each year worldwide, and that number may increase as the population ages.
A previous study estimated that two - fifths of the country's existing jungle may disappear by 2050 (SN: 4/8/06, p. 221: Available to subscribers at Two - fifths of Amazonian forest is at risk).
However, a previous study estimated that dinosaurs from such eggs could grow into gigantic adults weighing more than 1,000 kg.
A previous study estimated the state's remaining potential liability at less than $ 20 million.

Not exact matches

There may be more than 16 times as much plastic in the vortex than previous studies have estimated, according to the Ocean Cleanup researchers.
As such, their study showed that informal economies account for 30 % of direct costs to internet disruptions — amplifying the previous estimates of loss percentages and their direct socio - economic impact.
In a previous study, we associate changes in the ratio of new jobs to new housing with changes in rents, and we apply those results here to estimate how an increased workforce owing to Amazon's HQ2 would change rents in each city.
Calculation to determine the necessary number of resident participants used estimations of knowledge from previous studies of pediatric residents, which suggested a baseline knowledge about breastfeeding of 60 percentage points.8, 9,15 To detect an improvement in knowledge score of 20 percentage points with an estimated standard deviation of 20 points, a 2 - tailed α error of 0.05 and a power of 0.80, sample size was calculated at a minimum of 16 resident participants.
The analysis supports a previous government study in 2001 which estimated that over 3 billion dollars could be saved if half of new mothers breastfed their babies.
Although most studies of parental depression have focused on mothers, the impact of depression in fathers has received increasing attention.2, 3 Using data from the 2002 National Comorbidity Replication Survey, the Institute of Medicine report also estimated that 4.3 % of men with a child under 18 years old had a major depressive disorder within the previous 12 months.1 In addition, a recent meta - analysis4 suggested that the prevalence of paternal depression within the first year of a child's life was 10.4 %.
«This robust study clearly reinforces that screening remains an effective option for detecting breast cancers, and challenges previous estimates of the number of women who are overdiagnosed as a result of breast screening.
Previous studies looking at families and genetics have estimated that the heritability of longevity is roughly 25 %.
Previous studies of MERS outbreaks in early 2014 estimated the infective potential at between 2 and 6.7 in Saudi Arabia, similar to the numbers for severe acute respiratory syndrome, or SARS, which has an infective potential of between 2 and 4.
According to previous studies, that amount — between 44 million and 146 million metric tons of CO2 — offsets a tiny fraction of the estimated 35.3 billion metric tons of CO2 generated by the burning of fossil fuels and other industrial activity in 2013.
Using these data, researchers fine - tuned estimates from previous foram studies that captured polar conditions to show tropical oceans warmed substantially in the Eocene, but not as much as polar oceans.
Using data from previous field studies, the team estimates that the minerals and other nutrients released by giant Antarctic icebergs (those longer than 18 kilometers) trigger as much as 20 % of the CO2 absorption by life in the southern seas.
Previous modelling studies estimated that the Bodélé depression in Chad, which formed when the largest lake in Africa dried out about 1000 years ago, is responsible for about 56 per cent of the dust from Africa reaching the Amazon, amounting to millions of tonnes per year.
A 2014 study showed that we can distinguish at least 1 trillion different odors — up from previous estimates of a mere 10,000.
BEARS ON ICE A study that put camera collars on polar bears showed that the bears have higher springtime metabolic rates than previous estimates.
The higher EPA estimates of 1329 gigagrams are based largely on previous measurements from a national study in the early 1990s in which Lamb and his colleagues also participated.
This estimate, while in line with suggestions from previous linguistic studies, is a more robust result because it was found consistently in the majority of the different statistical models of evolution tested in this study.
Previous studies have estimated that approximately eight percent of the U.S. population will develop PTSD in their lifetime.
A 2015 study estimated that more than 900,000 Americans used heroin in the previous year, while 4.3 million took prescription opioid pain medications for non-medical uses.
Previous studies have suggested that halogen level estimates in meteorites were too high.
«Because severe cases of influenza may be prevented by 2 mechanisms, the effectiveness of vaccination against severe influenza may be greater than that for mild cases, and the benefit of influenza vaccination may be greater than that estimated in previous studies.
A new study finds a previous estimate of wastewater's potential as a renewable energy source «a substantial underestimation»
«Third of households — double previous estimates — struggle to get food, Ohio study finds: Shopping experiences vary widely within same city.»
Previous studies have found that pregnant women are particularly vulnerable to depression and it is estimated that up to one in five pregnant women have symptoms of depression during pregnancy.
Among other findings, that study found that the varroa mite is far more abundant than previous estimates indicate and is closely linked to several damaging viruses.
From a study of the fungi of boreal forest soils in Alaska, Taylor et al. suggest that previous estimates of fungal diversity, which hitherto hovered between 0.5 and 1.5 million, might need to be revised upward.
«However, all previous studies on sleeve gastrectomy, estimated blood alcohol levels by using breathalyzers, which might not reliably estimate peak blood alcohol levels in bariatric patients,» she adds.
This is more than double previous estimates and, if correct, places the Alamo crater as one of the largest marine impacts in the last 550 million years, conservatively larger than the well - studied Chesapeake Bay impact crater (about 35 million years old) on the eastern shore of North America.
Previous studies have suggested that eating lots of red and processed meat increases the risk of colorectal cancer and it is estimated that around 1 in 5 bowel cancers in the UK are linked to eating these meats.
Beaty and colleagues reanalyzed brain data from previous studies and found that, by simply measuring the strength of connections in these peoples» brain networks, they could estimate how original their ideas would be.
«In the previous studies, astronomers have estimated the size based on radio emissions assuming hypothetical spherical dust particles,» explains Kataoka.
A new study finds that methane emissions from shale gas production are nearly 50 times lower than previous estimates, improving the climate benefit of switching from coal to natural gas.
Global methane and ethane emissions from oil production from 1980 to 2012 were far higher than previous estimates show, according to a new study which for the first time takes into account different production management systems and geological conditions around the world.
Previous studies lacked the observational data included in Doherty's analysis, making earlier estimates much less accurate.
By drawing on previous studies, Dietz estimated what proportion of the population could realistically be persuaded to change their behaviour using financial incentives, mass - media campaigns and so forth.
Previous studies have estimated that Earth has about 1 trillion microbial species, with 98 per cent yet to be identified.
The carbon footprint estimates of these products were then combined with a measure of their effectiveness in preventing burglary with entry available from previous studies, known as the security protection factor (SPF).
And up to ten times less than for young children in Western countries, according to estimates from previous studies.
«Previous studies that estimated the health benefits of GHG reductions typically focused locally or nationally, and therefore missed the benefits from foreign reductions.»
New field studies, presented here this week at the fall meeting of the American Geophysical Union, quantify the amount of soil carbon at 1.9 trillion metric tons, suggesting that previous estimates underestimated the climate risk if this carbon is liberated.
Previous laboratory findings as well as estimates of fitness based on genetic clustering of strains in the population suggested a lower relative fitness for MDRTB compared to drug - susceptible tuberculosis, but few studies have directly measured the incidence of second cases of tuberculosis among contacts of both MDRTB and drug - susceptible tuberculosis.
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