Sentences with phrase «producing large concentrations»

Ultimately, he found that, while volcanic eruptions would have spewed huge quantities of both sulfur dioxide and hydrogen sulfide into the atmosphere, it was the former that dissolved more easily in shallow waters, producing large concentrations of sulfidic anions, in the form of sulfites and bisulfites.

Connected at UNU - BIOLAC workshops in Montevideo, Uruguayan chemistry professor Francisco Carrau and scientist Massimo Delledonne of Italy recently collaborated on sequencing the Tannat grape, pressings of which, thanks partly to its many seeds, produces the largest concentration of tannins — an anti-oxidant that combats the ageing of cells.

First detected in 2003, the 2,500 square - mile hot spot was confirmed by NASA satellite data in October 2014, and is said to be responsible for producing the largest concentration of methane in the U.S., and is more than triple a standard ground - based estimate.

Not exact matches

You will certainly have area plays; stories associated with cobalt in mafic and ultramafic complexes around the world, including Canada and Australia, but my experience has been that the concentrations of cobalt, particularly in Canada, are never large enough that Canadian companies can be low on the cost curve unless they're producing it as a by - product of nickel or some other ultramafic substances.

The West Coast has always produced the nations» greatest concentration of fresh produce, while also boasting 47 of the nation's largest retail headquarters.

A new peer - reviewed study discredits findings of controversial research claiming that higher concentrations of dissolved methane in domestic water wells can be associated with proximity to nearby gas - producing wells in northeastern Pennsylvania — and it does so using a much larger sampling size and pre-drill baselines.

In contrast, super-Earths with a similar concentration but larger absolute amount of radioactive heat sources (i.e., uranium and thorium) than Earth would produce more internal heat, more vigorous mantle convection, and faster plate tectonic action involving thinner plates, which may promote planetary habitability with lower mountain ranges but higher volcanic activity and an atmosphere with a greater relative composition of volcanic and lighter gases (Sasselov and Valencia, Scientific American, August 2010; Valencia and O'Connell, 2009; and Valencia et al, 2007).

Soft tissue containing the highest concentrations of magnesium in the body include the brain and the heart — two organs that produce a large amount of electrical activity, and which can be especially vulnerable to magnesium insufficiency.

The reasoning behind this assumption is that concentrations of silver particles at 12 ppm or greater tend to agglomerate producing larger particles.

Scholars at the University of North Carolina Chapel Hill conducted a comprehensive evaluation of the teaching fellows program and found positive results, including a) graduates teach in schools and classrooms with greater concentrations of higher performing and lower poverty students; b) graduates produce larger increases in student test scores in all high school exams and in 3rd - 8th grade mathematics exams; and c) teaching fellows remain in North Carolina public schools longer than other teachers.

These consolidated operations produce food in high volume but lead to excessive waste created by large concentrations of animals, often handled in ways that can pollute air and water.

«The large majority of scenarios produced in the literature that reach roughly 450 ppm CO2eq by 2100 are characterized by concentration overshoot facilitated by the deployment of carbon dioxide removal (CDR) technologies.»

Concentration of wind energy produces large local winds over the poles.

GMO corn produces the toxin in the plant itself in concentrations large enough to kill.

It is also because there is much more water vapor in the atmosphere than CO2 and, since the amount of climate forcing goes approximately logarithmically with concentration that means the concentration of water vapor has to change by a significantly larger ABSOLUTE amount to produce the same effect.