Sentences with phrase «background rate»

Currently we are seeing some stress on some species, and the overall background rate of extinction appears to be rising.

Researchers can not agree on the natural background rate at which mutations appear in mitochondrial DNA.

• The Selection Process: An international jury of up to 200 individuals from a wide variety of professional backgrounds rates the proposals.

Ninety percent of them came from caring, intact families; 63 percent had gone to college, compared with the 5 to 6 percent background rate in the developing world, according to Sageman.

The timing must also be precise: «The high background rate from the overwhelmingly bright moon means you have to gate the detector for periods as short as about 100 nanoseconds.»

The MJD project aims to demonstrate that extremely low background rates can be achieved, to prove the feasibility of a larger, more sensitive experiment proposed for the future.

I think current smoothed background rate is in the 2.4 to 2.5 ppm range and that's a terrible number because the way out of our predicament would be shown in a yoy comparison that shows zero increase or a drop in ppm in atmosphere.

«We continue to lose biodiversity at a rate never before seen in history - extinction rates may be up to 1,000 times higher than the historical background rate.»

A recent study conducted by researchers at NYU examined student perceptions of teachers and students from every racial background rated Latino and Black teachers more highly than white teachers.

I think the decadal background rate of increase is in the 2.4 to 2.5 ppm range at this time.

R Gates the Skeptical Warmist: Currently we are seeing some stress on some species, and the overall background rate of extinction appears to be rising.

As the report notes, even the worst nuclear accident in history (Chernobyl) caused about 40 deaths; these include 28 immediate responders and about 15 deaths caused among 6000 victims of excess cancers (it's always very difficult to detect statistically significant excess cancers in the presence of a high natural background rate).

According to the United Nations, we are losing about 200 species per day — a thousand times the normal background rate of extinction.

Rapid loss of biodiversity in recent times indicates that a sixth mass extinction event is underway on the Earth, whereby the average rate of vertebrate species loss is now up to 1000 times higher than background rates [1].

Background rates of breastfeeding initiation: data from an inner - city Cleveland clinic with a similar population reported lower rates with any and exclusive breastfeeding at 5 days at 40.8 % and 22.0 %, respectively.

Factors that may have contributed to the success for women who exclusively breastfed were face - to - face contact (rather than contact by telephone), volunteer support, a specific schedule of four to eight contacts and high numbers of women who began breastfeeding in the community or population (background rates).

The BRCA carrier rate among Ashkenazi Jewish men and women is one in 40 — 10 times the background rate.

Lead researcher Professor Peter Rothwell, a stroke expert from the University of Oxford, explained: «The risk of a major stroke is very high immediately after a TIA or a minor stroke (about 1000 times higher than the background rate), but only for a few days.

The researchers developed a statistical method to separate out the aftershocks, allowing them to measure the «background rate» of primary earthquakes over time.

But even choosing a conservative rate — of, say, 1 in 100 000 per gene per generation — the voles from the contaminated zone have a mutation rate about 40 times that of the background rate, says Chesser.

«Back of the envelope [calculations] suggest that what we're going to lose from this spill is nowhere close to the background rates of wetland loss,» says Alex Kolker, a coastal geologist with the Louisiana Universities Marine Consortium in Chauvin.

Now research on these three rivers, and seven other large river basins in the US Southeast, has, for the first time, precisely quantified this background rate of erosion.

This allowed the team to compare these background rates to post-settlement rates of both upland erosion and downriver sediment yield that have been well documented since the early 1900s across this Piedmont region.

It is not known if the occurrence of these conditions after HPV vaccination merely reflects the background rates in girls and young women or represents a true increased risk, according to background information in the article.

«All forests are disturbed every year at some background rate; carbon cycle changes occur if this background rate increases as storms become more frequent or intense,» he said.

The background rate measured in flight is consistent with that expected from the dominant flux of atmospheric gamma - rays, confirming the radiation hardness of Xe as detector material.

I think the easiest way to evaluate and «confirm» the background rate for any particular year would be to wait 5 years, then average the ppm increase for those 5 years, plus 5 more back and say, oh, the decadal rate for any given year is roughly #.

I tend / try to look past the EN / LN wobble and maintain a read on the background rate of increase.

Again, my sense is that the current background rate is in the 2.4 to 2.5 ppm range.

We might see the background rate reflected in the 2019 numbers when compared to 2018 numbers if those two years don't end up having unusual climate features that we describe as wobble in this discussion.