Sentences with phrase «such small concentrations»

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.

The study still doesn't reveal how such small concentrations of TCA create the effect.

Not exact matches

This smaller unit (vs. 16) toward which the whole passage is pointed 7 is the reproduction — insofar as such is capable of reproduction — of the word received in prophetic concentration / ecstasy.

Many researchers feel that consuming such a high concentration (there's usually only a small amount of gluten in a wheat - based food) could lead to widespread inflammation by oversaturating the body with gluten.

The pills are small and will dissolve easily in a baby's mouth and have such teeny tiny concentrations of active ingredient that there's debate over whether they can do anything at all.

Krotkov and his team now are able to more accurately detect smaller sulfur dioxide concentrations, including those emitted by human - made sources such as oil - related activities and medium - size power plants.

Because it bypasses part of the stomach and small intestine, the surgery alters the intestinal environment, changing elements such as pH and bile concentrations.

The system uses a novel method, relying on an electrochemical process to selectively remove organic contaminants such as pesticides, chemical waste products, and pharmaceuticals, even when these are present in small yet dangerous concentrations.

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 difficulty in measuring such a small increment in chromosome 21 DNA concentration has recently been overcome with the use of massively parallel genomic sequencing.20 This technique can identify and quantify millions of DNA fragments in biological samples in a span of days.23 Three cohort studies have shown the feasibility of using the technique to identify fetuses with trisomy 21 by analysis of maternal plasma DNA.24 25 26 The sample numbers studied were small because, typically, only a few samples could be analysed in each sequencing run.

Some of them are very small deviations, such as slightly different chemical compositions or slightly different concentrations of different kinds of crystalline defects.

High concentrations of oxalate in the urine and frequent formation of kidney stones occur in people who have diseases of the small intestine such as Crohn's disease.

Its primary function is to raise the blood glucose concentration by increasing the release of glucose from the liver and by activating gluconeogenesis, the conversion of amino acids and other small compounds such as lactic acid to glucose.

It makes sense, then, that high - vitamin cod liver oil should serve as a safe standalone supply of vitamin A even during the winter, while liver from land animals should either be used during seasons where the supply of UV - B rays from the sun is rich enough to guarantee adequate vitamin D, or in conjunction with vitamin D - rich foods such as lard from pastured pigs, oily fish, shellfish, and egg yolks from pastured chickens, all of which supply smaller but substantial amounts of vitamin D. (For a list of these and other food sources of vitamin D with specific concentrations listed, see Appendix 3.

Fatty acids containing carbon - carbon double bonds (monounsaturated, such as the main ones in olive oil, or polyunsaturated) do produce small quantities of trans fatty acids when heated strongly, but it's in very small amounts (here, here, here, here) The process that really increases the trans fatty acid concentration is partial hydrogenation, an industrial process that's used to raise the melting temperature of polyunsaturated oils.

The true nature of market forces shows up as smaller charters are muscled out by large networks, whose business models require that they expand enrollment, favor locations with more generous public per - pupil reimbursements, and reduce exposure to expenses associated with working in distressed areas, such as a greater concentration of high - need students and high insurance costs.

State officials say the tests don't take into account the uneven concentrations of English learners in states, small sample sizes and other factors, such as which districts are selected for testing.

In wild prey, almost 75 % of the copper in ruminants (beef, bison, lamb) is in the livers; while with small prey, including poultry, the copper is more dispersed, with high concentrations in parts such as the hair and brain that are often hard to find and feed.

Some of these factors such as lower urine volume, higher calcium concentration and higher calcium oxalate RSS seen in small dogs may contribute to the increased prevalence of calcium oxalate urolithiasis in this group.

Tony Merchell, vice president of the Palm Springs Historic Site Foundation, says that 650 Mid-Century Modern buildings still exist in the area, «a remarkable concentration for such a small resort.»

Mega-galleries such as Hauser & Wirth have benefitted disproportionately from the growing concentration of wealth in the hands of a small sector of the global elite, giving them the resources to take on many of the functions that were previously the domain of curators, academics, and museums.

A claim that CO2 can't possibly have a significant effect solely because of its small atmospheric mixing ratio, can be refuted as a general claim by reference to other substances (such as arsenic, plutonium or Vitamin C) whose large effects due to small concentrations are well known.

Because soil is such a major player in the carbon cycle, even a small change in the amount of carbon it releases can have a big effect on atmospheric carbon concentrations.

2) There are errors in the assumed forcings, such as: a) AR5 let stratospheric aerosol concentration go to zero after 2000 (a sure way to prod the models into higher predictions), but it actually increased for the next 10 years «probably due to a large number of small volcanic eruptions».

A doubling of the CO2 concentration has such a small temperature effect, that this is indiscernible from all other effects.

This relatively small public school in Providence offers a few stimulating opportunities for undergraduate psychology students, such as a behavioral neuroscience minor and a concentration in chemical dependency and addiction studies.