Sentences with phrase «chemically reactive»

Benford says that the diatomaceous earth, unlike the sulfuric acid aerosol would be less chemically reactive and thus safer to use.

However, it is too chemically reactive to remain a free element in Earth's atmosphere without being continuously replenished by the photosynthetic action of living organisms, which use the energy of sunlight to produce elemental oxygen from water.

Any chemically reactive gas, whether a greenhouse gas or not, will produce some level of indirect greenhouse effect through its impact on atmospheric chemistry.

Specifically, this chapter will examine the relationships between the physical climate system and the land surface, the carbon cycle, chemically reactive atmospheric gases and aerosol particles.

On longer timescales, atmospheric composition and climate have been intertwined for billions of years, especially via methane, which is both a powerful greenhouse gas and is chemically reactive.

These unpaired electrons readily form free radical molecules which are chemically reactive and highly unstable.

Emphasis on «small» because fructose has a major caution as a calorie source: it is chemically reactive, reacting with proteins to form advanced glycation end products (called AGEs) that disrupt normal bodily functions.

Free radicals are molecules with incomplete electron shells which make them more chemically reactive than those with complete electron shells.

It is very chemically reactive with the equally reactive double bonds in unsaturated fatty acids and it is this oxidation that damages our cells, including those in our blood vessel walls.

Acai's seems to inhibit chemically reactive molecules that contain oxygen, reducing oxidative stress and reversing inflammatory processes.

The researchers succeeded by overcoming some of the technical challenges presented in the fabrication of the platinum - zinc nanoparticles with an ordered lattice structure, which function best at the small sizes in which the chemically reactive surface area is highest in proportion to the particle volume.

Both compounds are chemically reactive alkylating electrophiles.

The other layer was a chemically reactive material made of cobalt dihydroxide.

One possible sink is chemically reactive soil, which could accelerate the loss of methane.

Editor's note: This story was updated February 12, 2018, to clarify how oganesson could be chemically reactive and on February 14, 2018, to correct the description of the element's electron shells in the sidebar.

As a result, the element could be chemically reactive.

Some experts blame aging on the corrosive capability of chemically reactive oxygen molecules or «oxidants» churned out by mitochondria inside cells.

At the nanometer scale, gold particles are very chemically reactive and make excellent catalysts.

Smaller particles have a relatively larger surface area, compared with their volume, making them much more chemically reactive.

In addition, treatment with Korean red ginseng extract suppressed the expression of RSV - induced inflammatory genes and the formation of chemically reactive molecules containing oxygen, which play a role in virus - induced epithelial damage in RSV.

«Nanomaterials, because of their size, are more bioavailable; and because of their surface area to mass, they are more chemically reactive.

In their earlier work, the Colorado group observed a significant drawback of their ultracold potassium rubidium molecules: They were chemically reactive, and essentially came apart when they collided with other molecules.

«In the case where molecules are chemically reactive, one simply doesn't have time to study them in bulk samples: They decay away before they can be cooled further to observe interesting states,» Zwierlein says.

New Mexico Senator Peter Wirth said on Friday that a Los Alamos scientist who appeared on Wednesday before the state legislature's Radioactive and Hazardous Materials Committee revealed that the drum that leaked radiation was improperly packaged at Los Alamos with chemically reactive contents that included a lead - lined glove.

Single graphene sheets are chemically reactive, but stacked layers of graphene — otherwise known as graphite, or pencil «lead» — are inert.

Once a user enters the desired amino acid sequence, the amino acids are pumped, in the correct order, into a module where they are briefly heated to about 90 degrees Celsius to make them more chemically reactive.

Not exact matches

Zwierlein's group chose to create ultracold molecules of sodium potassium, as this molecule is chemically stable and naturally resilient against reactive molecular collisions.

Chemically, nanoparticles tend to be more reactive than larger amounts of the same substance, because they have more surface area and therefore more opportunity to interact with other substances.

Inclusion of modified amino - allyl dUTP at a ratio of 3:2 with unmodified dUTP in the in - vitro transcription reaction generated antisense RNA (aRNA) capable of chemically coupling to amine reactive dyes.

While the stable form of nitrogen in the air is no problem, «reactive nitrogen» — the chemically active form in things like ammonia and the air pollutant nitrogen oxide — can be.

The «Fuels of Freedom» are non-toxic, chemically inert but readily react with oxygen, halogens and several other highly reactive chemicals such as ozone, noncorrosive, highly portable, and can be stored indefinitely in sealed containers (e.g., steel drums) and under an inert atmosphere (e.g., nitrogen) in large tanks.