Sentences with phrase «small concentrations»

The taste receptors on the tongue detect extremely small concentrations of substances within the short time it takes to taste it.
And if there are no DNA organisms, are there other types of organisms that might occur there in very small concentrations?
Eating the 12 least contaminated will expose a person to less than 2 pesticides per day, and in much smaller concentrations.
Such small concentrations might well affect animal populations, but by themselves would probably not be enough to cause a population to collapse.
The term is used to describing extremely small concentrations of one chemical dissolved in another.
Being able to detect smaller concentrations led to the second innovation.
While mostly copper, the blade contains small concentrations of lead, arsenic, silver and more than a dozen other chemical elements.
These elements such as manganese, iron and mercury regulate biological processes in the ocean but are found in extremely small concentrations, some as tiny as several parts per trillion.
Linkage Schools: Middle schools with smaller concentrations of at - risk students receive smaller investments (between $ 50,000 and $ 240,000 per school in the 2014 - 15 school year) and are expected to focus on fewer strategies (e.g., reducing the percentage of 6th and 7th graders not on standard in math).
It's worth noting that H2S is lethal in even small concentrations.
While PSA is found mostly in semen, it is also found in smaller concentrations in the blood.
5 x 24 inches, the largely black paintings slow you down until your eyes adjust to the indirect light (signaled by small concentrations of muted colors) in the otherwise darkened room (interlocking black planes).
The problem is that relatively small concentrations of these chemicals can cause adverse health effects.»
XSOE offers smaller concentrations in financials and energy sectors, and larger ones in consumer - focused and tech names.
For this study, the researchers used the technique to pinpoint small concentrations of nanotubes inside rodents.
Newly confirmed water on the moon could one day help sustain lunar astronauts but, problematically, it seems to be locked up as small concentrations of ice in the lunar soil.
Recently, we have shown that physisorption of weakly bound gases can be used to titrate small concentrations of surface defects and to determine their binding energies on magnesium oxide (100).
Aging occurs chemically when we have too much oxidative stress on our cells, we don't have enough access to key micronutrients required for all parts of the body to function optimally, and when we start to make smaller concentrations of all of our hormones.
For example, the direct radiative effect of a mass of methane is about 84 times stronger than the same mass of carbon dioxide over a 20 - year time frame [22] but it is present in much smaller concentrations so that its total direct radiative effect is smaller, in part due to its shorter atmospheric lifetime.
«At present, we are further developing existing, autonomous deep - sea laboratories such that they can also detect very small concentrations of certain trace elements, such as iron.
He said that with smaller concentrations of Xylitol, the onset of symptoms and clinical signs could be delayed as much as 12 hours after ingestion.
The study still doesn't reveal how such small concentrations of TCA create the effect.
But because the gas does not occur naturally, even small concentrations are a sign that other more common pollutants, such as carbon monoxide and ozone, could be present.
(The hole is not a complete absence of ozone, but rather an area with much smaller concentrations of the molecule.)
By using as sources supersonic jets of hydrogen or helium containing small concentrations of heavier molecules we have been able to obtain molecular beams with kinetic energies of the heavy molecules well into the range above I electron volt.
[1][2] Despite its relatively small concentration, CO2 is a potent greenhouse gas and plays a vital role in regulating Earth's surface temperature through radiative forcing and the greenhouse effect.
Ozone is found naturally in small concentrations in the stratosphere, a layer of Earth's upper atmosphere.
Effect of very small concentrations of insulin on forearm metabolism.
61 % of investments by Angel groups were made in Ontario with a smaller concentration in British Columbia (17 %)
Only a handful of teams led by a small concentration of stars are able to truly compete for a championship and they tend to stay constant for several years.
The smallest concentrations of TBT can harm people's immune systems and impair their hormonal system.
The plaintiffs alleged that this tabulation method dilutes the voting power of citizens residing in districts that are home to smaller concentrations of non-voting residents.
Somatostatin was also found in the duodenum and jejunum, but in a smaller concentration.
He is part of a team cataloging the microbial diversity of U.S. air — in which the scientists have picked up, among other things, very small concentrations of bacteria related to anthrax.
In tests, the researchers dispersed nanodiamonds in mineral oil and found that a very small concentration — one - tenth of a percent by weight — raised the thermal conductivity of the oil by 70 percent at 373 kelvins (about 211 degrees Fahrenheit).
Smaller concentrations of gastric acid and thus fewer patients with gastric ulcers and gastroesophageal reflux disease.
Using a new porphyrin developed by Haedicke, the agent can be delivered to cells more efficiently in smaller concentrations and can accumulate more effectively than current alternatives.
They found that very small concentrations of actinomycin D resulted in almost complete correction of the mis - splicing.
For instance, very small concentrations of GBPs might either directly or indirectly act on the insulin - producing cells to regulate ilp2 mRNA expression and peripheral tissues to regulate AKT expression.
It is also present in the smallest concentrations compared to the other amino acids.
Because of the small concentration of Tannins in Dandy Blend, it is not likely to cause a problem.
Their conclusion: «The results indicate that NaF (fluoride), even in small concentrations, may induce an inflammatory process».
Most of the contaminants in public water supplies exist at such small concentrations that most people would have to ingest very large quantities for health problems to occur.
Air is 78 percent nitrogen, just under 21 percent oxygen and the rest is water vapour, CO2 and small concentrations of noble gases such as neon and argon.
On a few cars you'll also find a small concentration of heating elements underneath the resting positions of the front wipers, which defrost the blades.
Dogs have a better sense of smell and hearing than humans, and are able to differentiate aromas and pick up small concentrations of odors.
They can smell even just a small concentration of catnip, so if you handled the herb, placed it in a container, then touched the outside of the container or cupboard you placed it in, chances are your cat will sniff it out.
Another small concentration can be found at the Tha Krao Pier to Krabi on the east coast.
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