Sentences with phrase «peak concentrations in»

Peak concentrations in the blood are achieved within 30 minutes to three hours, although the presence of food in the stomach can slow the absorption.
Omitting OMPS - Limb will result in the complete loss of precise information about the ozone - height profile after 2014, because OMPS - Limb was the only instrument planned to fly after Aura that would be capable of determining ozone profiles below the peak concentration in the stratosphere.

Not exact matches

Concentration of capital in any asset class is not an immediate signal to sell or sign of a market peak in and of itself.
They usually peak in concentration right before an anticipated meal and quickly drop after feeding.
In the Grades, each day begins with a two - hour period devoted to a single academic subject (when the children's concentration is at its peak).
Mint appeared in the mom's milk at lower concentrations but peaked much later, at six hours after ingestion.
Data from the new ice core array illustrates that Antarctic lead concentrations reached a peak in 1900 and remained high until the late 1920s, with brief declines during the Great Depression and the end of World War II.
They found that women with higher concentrations of BPA had lower peaks of estradiol, a form of estrogen important in the development of eggs in the ovaries.
A peak microplastics concentration was measured at Rees on the Nederhijn, where 3.9 million plastic items per square kilometer (or 21,839 particles per 1000 cubic meters) were found in a single water sample.
A study published in January in Environmental Health Perspectives reported that daily deaths over a decade in metropolitan Boston peaked on days when concentrations of three common air pollutants were at their highest, even though those levels would currently satisfy the U.S. Environmental Protection Agency.
To achieve 450 ppm, the concentration of greenhouse gases in the atmosphere associated with a 2 - degree Celsius rise in global average temperatures (a target advocated by the European Union), the «aggregate of fossil - fuel demand will peak out in 2020,» Tanaka says.
Although the Environmental Protection Agency's (EPA's) current safe drinking water standard is 3 ppb, atrazine is often found in central North American waters at concentrations of up 10 ppb in spring, and peaks greater than 200 ppb have been recorded.
At their peak, in 1908, the concentrations were 10 times their preindustrial levels, the researchers reported in September.
On March 12, researchers reported that carbon dioxide concentrations in the atmosphere moved above 400 parts - per - million en route to a springtime peak.
Peak levels of ropivacaine in the circulation were similar between groups — even though the drug concentration was eight times higher for the proliposomal product.
Concentrations peaked in 1993 and have subsequently declined.
CO2 concentrations typically peak in spring, just before trees, plankton and other plants across the Northern Hemisphere awaken from their winter slumber and begin to greedily suck CO2 out of the sky to fuel photosynthesis and the growth of leaves and cells.
One of the last to peak, she noticed, is the protein SPA - 1, which shows up in large concentrations only a day or so before labor begins.
Estimated effects were similar for the concurrent blood lead concentration and the average blood lead concentration in infancy and smaller, but still significant, for peak lead concentrations (Table 3).
In other words, we can be rather certain that we are going to overshoot 2 °C, if concentrations are not going to be peaked well below 550ppm.
Other animals have annual peaks in hormones too, but the animals in different places have peaks at different times — yaks, for instance, have testosterone concentrations that dip in the spring.
In addition, the results showed that dust concentrations during peak periods exceeded World Health Organization (WHO) air quality guidelines.
In many places, concentrations of an airborne fungus, Alternaria, also peak in August and SeptembeIn many places, concentrations of an airborne fungus, Alternaria, also peak in August and Septembein August and September.
The researchers found that due to the confined cabin space, with the worst ventilation conditions, as well as in peak contamination, that the evidence indicates that smoking in cars produces fine particle pollution concentrations which are very rarely found in studies on air quality.
As shown in Table 5, the peak minus nadir leptin concentration was significantly lower at visit CRC3 than at visit CRC1 and was lower at visit CRC2 than at visit CRC1 (P = 0.09).
Our data directly address this hypothesis because we observed a decrease in leptin pulse amplitude between visit CRC1 and visit CRC2 (decreased peak minus nadir plasma leptin concentration and decreased AUC of the change in leptin) without a significant change in integrated circulating leptin concentration (leptin AUC).
The isocaloric high - protein diet led to no significant change in nadir plasma concentrations, peak plasma concentrations, or AUC values for the 24 - h leptin profiles obtained during CRC2 compared with those obtained during visit CRC1.
However, peak time is often not a good statistical measure because it is a discrete value that depends on frequency of blood sampling and, in the case of relatively flat concentrations near the peak, on assay reproducibility.
Dumbbell concentration curls are the best exercise to attain a peak in the biceps.
The tested 10μM concentration is much higher than that seen from broccoli ingestion (< 0.1 μM peaks from 200g broccoli is typical), and even that just resulted in 30 % reduction of CYP3A4 transcripts.
It increases during fasting and usually peaks in concentration before an anticipated meal, paired with increased feelings of hunger, and decreases after feeding.
The results from this trial clearly indicate that the replacement of refined carbohydrates with EPRO and UFA increased insulin sensitivity, LDL peak particle size, and lowered fasting TG and VLDL cholesterol concentrations in men and women with an elevated TG concentrations.
In rats, peak plasma concentration was found 30 minutes after oral dosing.
The longer time needed to reach peak plasma nitrate concentrations after ingestion of rocket salad and spinach beverages may be related to their higher fiber content and the larger volume ingested (Supplemental Table 1), likely resulting in a slower gastric emptying (34).
Eating high GI meals before exercise may result in plasma glucose concentrations peaking before the onset of exercise and then hypoglycaemia occurring within the first 30 minutes of the exercise period.
The objective in managing diabetes is to regulate glucose concentrations by avoiding peaks and troughs, and to reduce or eliminate the symptoms, such as excessive thirst and urination.
The objective in managing diabetes is to regulate glucose concentrations by avoiding peaks and troughs, and to reduce or eliminate the symptoms of diabetes, such as excessive thirst and urination.
Nestled in a scenic box canyon and surrounded by the highest concentration of 14,000 - foot peaks in North America, Telluride combines breathtaking views and world - renowned terrain with an easy - going lifestyle.
You could have woodwinds chart the rise in greenhouse gas concentrations, brass amplify El Niño warm peaks (trumpets) and La Niña cool years (tubas).
The pre-industrial peak in concentrations was 280 parts per million (UPDATE: for at least the preceding 650,000 years or so).
A band with optical thickess per unit gas decaying exponentially away from a peak: Assuming the peak is saturated at some level within the atmopshere and there are no other absorbers in the same band of wavelengths above that level, increasing the concentration of that gas will result in at least an instantaneous cooling forcing of the layer above (not necessarily all of the layer, but the instantaneous forcing on the layer as a whole will be negative).
The shape of the CO2 absorption band, in terms of CSD per unit CO2 concentration, can be approximated as having a peak at some frequency (designated ν0) or wavelength (about 15 microns for CO2) with, on each side of that peak, a halving of that optical thickness for each amount BW1 or BW2 that one moves away from the center (toward lower or higher frequency, respectively)
Roger Bezdek, energy analyst, Management Information Services, sent a short note referring to a presentation he gave in 2008 positing a peak in total fossil fuel production and resulting forecast for carbon dioxide concentrations:
Throughout each year, the concentration of the gas fluctuates, reaching its annual peak in the spring.
Concentration at stabilization including GHGs and aerosols (2008 = 395 ppm) Peaking year of CO 2 emissions Change in CO 2 emissions in 2050 (percent of 2000 emissions) 2.0 -2.4350-400445-4902000-2015 − 85 to − 50 2.4 -2.8400-440490-5352000-2020 − 60 to − 30 2.8 -3.2440-485535-5902010-2030 − 30 to +5 3.2 -4.0485-570590-7102020-2060 +10 to +60 4.0 -4.9570-660710-8552050-2080 +25 to +85 4.9 -6.1660-790855-11302060-2090 +90 to +140 Data from: IPCC, 2007: Synthesis Report.
Although production of ozone - destroying gases has been curtailed under international agreements, concentrations of the gases in the stratosphere are only now reaching their peak.
Some of us have been observing the AMO effect for years, noting the almost perfect coincidence between a plot of the peaks of the «apparent» AMO cycle, as reflected in the Southern Hemisphere temperature peaks circa 1880,1940, and 2000 and the steady rise in concentration of CO2 in the atmosphere.
(ppm) Year of Peak Emissions Percent Change in global emissions Global average temperature increase above pre-industrial at equilibrium, using «best estimate» climate sensitivity CO 2 concentration at stabilization (2010 = 388 ppm) CO 2 - eq.
The seasonal curve of CO2 concentration reaches minimum in October, before NH detritus can decompose and SH utilisation can peak but when SO SST are at mininimum.
2) Obviously a scientist measuring CO2 is aware of the daily oscillations, so you are indeed saying that the scientist — and others that got these high CO2 concentration results in the period — chose to take samples in the peak hour?
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