Sentences with phrase «various studies estimate»

After all, various studies estimate spam comprises 45 % to 73 % of all emails.

Not exact matches

How much you can save: Quite a bit, possibly as much as 20 to 30 percent, per several estimates from various studies.
There have been a range of trading elasticities estimated by various studies (see the EC research), with most estimates close to -1.0.
The best way to get a thorough understanding of these two subjects is actually read, compare and understand many reports on resource estimates and economic studies, in various stages of development.
Various studies have explored the impact of these factors and attempted to estimate the extent to which they have reduced neutral real interest rates.
Based on various research studies, it could be estimated that approximately twenty - five of his members have been hospitalized for major mental illness in the past, twenty - four are alcoholics, another fifty are severely handicapped by neurotic conflicts, and another one hundred by moderate neurotic symptoms.
Another meta - analysis7 found that various types of neuromuscular and educational interventions appear to reduce the incidence rate of ACL injuries by approximately 50 %, but that the estimated effect varied appreciably among the studies, the reasons for which were unexplained.
«Estimating from various studies that looked at increasing BMI and endometrial cancer risk, a woman with a Body Mass Index (BMI) of 40 would have approximately eight times greater risk of endometrial cancer than someone with a BMI of 25,» said first author Kristy Ward, MD, the senior gynecologic oncology fellow in the Department of Reproductive Medicine at UC San Diego School of Medicine.
Our study is significant because, while there are various different estimates for the start and end of the Little Ice Age in different regions of the world, our data show that the most extreme phases occurred at the same time in both the Northern and Southern Hemispheres.
This summer Girardi will carry out a pilot study involving an estimated 25 people to establish the SPF of the nanosunscreen at various concentrations.
Various research studies reveal that an estimated 12 million Americans are affected each year by diagnostic errors, with one in three errors leading to serious patient injuries, including disability or death.
«We compared the efficiencies of [the port's] diesel engines versus fuel cells, studied the energy efficiencies at various power levels and estimated the savings and reductions in emissions that would be realized if they were to convert to a fuel cell - powered operation,» Pratt said.
Human papillomavirus (HPV) infection is the most common sexually transmitted infection in the United States, as well as a cause of various cancers, and a new study published online by JAMA Oncology estimates the overall prevalence of genital HPV infection in men ages 18 to 59.
The NGN article itself gives a good explanation of climate sensitivity and the various studies and estimates of it, and does quote Michael Schlesinger of the University of Illinois saying that Hegerl's result «means climate sensitivity is larger than we thought for 30 years, so the problem is worse than we thought.
These research studies have come up with various formulas that are used to estimate your calories.
Over the last 4 decades, a number of epidemiologic studies (over 500 papers) have estimated the associations between coffee consumption and cancer occurrence at various sites.
Yet the referees, by carefully selecting and modifying components of the S&P study, were pleased that they could extract similar estimates of adequate funding requirements from the various studies.
In this study, I examine data on all elementary - school students in certain years in New York City and Denver, Colorado, to estimate the relative importance of various factors that appear to be contributing to a special education gap.
Together with colleagues, I have studied the for - profit sector in an attempt to understand why it is less successful than traditional colleges and universities in various ways and to estimate what for - profit degrees are worth in the labor market.
Because of differences among study designs and assessments, our determination of ESs can only be considered a rough estimate of impact, allowing comparison among the various models.
Impact of the study: Data collected provide estimates of the prevalence of various degrees of age - related behavioral changes associated with cognitive dysfunction in dogs.
The vaccine appears to be safe, but various studies have yielded different estimates of vaccine efficacy.
Dr. McDaniel's view is consistent with various studies finding that an estimated five to 10 percent of cats today can be considered «overweight» and that 40 percent fall into the «obese» category.
When differences in scaling between previous studies are accounted for, the various current and previous estimates of NH mean surface temperature are largely consistent within uncertainties, despite the differences in methodology and mix of proxy data back to approximately A.D. 1000... Conclusions are less definitive for the SH and globe, which we attribute to larger uncertainties arising from the sparser available proxy data in the SH.
The NGN article itself gives a good explanation of climate sensitivity and the various studies and estimates of it, and does quote Michael Schlesinger of the University of Illinois saying that Hegerl's result «means climate sensitivity is larger than we thought for 30 years, so the problem is worse than we thought.
Here's why: Various studies, notably this year's IPCC report, estimate that rolling out policies and technologies to keep annual carbon emissions low enough to avoid crossing the accepted goal would shave median annual economic growth by 0.06 percentage points through 2100.
Most studies have used EPA emission estimates from 1996, which were updated in November 2010 when it was determined that greenhouse gas emissions of various fuels are higher than previously believed.
Although the timeframes examined in this study and by Foster and Rahmstorf are somewhat different (the former ending in 2005, the latter ending in 2010), the estimated contributions from the various factors since 1979 are similar.
In the Working Group 1: The Physical Science Basis Report of AR4 («AR4: WG1»), various studies deriving estimates of equilibrium climate sensitivity from observational data are cited, and a comparison of the results of many of these studies is shown in Figure 9.20, reproduced below.
The researchers note that while their study used a state - of - the - art model, any real - world estimates of the possible impact of solar radiation management would need to take into account various uncertainties.
Citing various studies, including one at the University of Arizona called the Garbage Project that tracked home food waste for three decades, Mr. Bloom estimates that as much as 25 percent of the food we bring into our homes is wasted.
11) Over the past decade, various studies have attempted to estimate the future trajectory of Arctic climate and have proposed a wide range of projections of seasonal Arctic sea ice cover.
The Clean Power Research report estimated levelized values for a fleet of 30 - degree - south - tilted distributed solar arrays (which yielded the highest values of all the different configurations) in seven different locations across New Jersey and Pennsylvania: The sum of all values ranges from $ 256 / MWh to $ 318 / MWh in the various locations studied.
To use my knowledge of electrical engineering to support engineering teams in meeting their business objectives and to help in preparing various engineering reports, estimates and proposals based on calculations and studies of various engineering activities.
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