Sentences with phrase «of oxygen atoms»

Four different materials formed depending on the concentration of oxygen atoms.

Normal ice is composed of water molecules, each made of an oxygen atom bonded to two hydrogen atoms.

He follows the components of an oxygen atom to tell how the universe evolved.

That's because sequential rings of oxygen atoms exactly match the size, and balance the charge, of potassium ions.

The team shows how the loss of oxygen atoms and the formation of nickel - and magnesium - rich areas cause fading.

To either side rise rows of oxygen atoms, with some of the atoms missing and creating defects in otherwise perfect structure.

The ratio of two types of oxygen atoms provides an indirect temperature record.

The discovery by Zhang, Liu and colleagues — about how a protein in a common mold can insert a pair of oxygen atoms into a toxin — sheds light on how nature performs the trick.

Hughes and his co-workers also saw plenty of silicon - rich blobs in Cas A, believed to arise from the explosive burning of oxygen atoms into silicon further out from the core at temperatures of perhaps 3 billion degrees.

Researchers looked at the ratios of two forms of oxygen atoms in the minerals deposited in layers in two stalagmites that had formed in a cave in the Himalayan foothills about 200 kilometers north of New Delhi.

Now, new observations of a particular wavelength of infrared light from that galaxy betrays the presence of oxygen atoms that have two electrons missing (in the smaller region depicted in green), researchers report online today in Science.

Spinels consist of densely packed, highly symmetrical planes of oxygen atoms (somewhat like a densely packed box of marbles) where different metallic elements are lodged in the spaces between them.

Barium - oxygen - calcium, or BaOCa +, is the first molecule ever observed by scientists that is composed of an oxygen atom bonded to two different metal atoms.

«By stabilizing the energy of oxygen atoms and electrons, the catalyst lowers the energy cost of selective oxidation reactions just like a bank facilitates the sale of a car from one person to another.

One surface was a single oxidized layer made mostly of oxygen atoms.

Here is an ice cube you do not want to put in your Diet Coke: A solid lattice of oxygen atoms with protons whizzing around inside of it.

«It took quantum mechanical modeling on large supercomputers to understand what the electrons were doing and how that drove the spacing of the oxygen atoms.»

The study shows atomic - level changes counter to those shown by the classical diffusion model that states most of the oxygen atoms are near the surface.

Under those methods, researchers started with the known arrangement of the oxygen atoms and randomly selected the positions for the hydrogen atoms to build a network that obeyed certain rules.

In the new paper, the researchers map out how an enzyme in a common mold species called Aspergillus fumigatus adds a pair of oxygen atoms to a toxin the mold produces.

Depending on the concentration of oxygen atoms, the chain - like slabs were two, three, or four layers thick, sometimes varying within the same material.

This is the overall architecture of FtmOx1, a mold enzyme that helps produce a toxin by adding a pair of oxygen atoms.

«Our new catalyst family activates molecular oxygen and allows both of its oxygen atoms to be transferred to substrate molecules, thereby eliminating the need to produce a co-product.

The potassium - atom mouth of an organic molecule grabs one of the oxygen atoms (red) in uranium dioxide.

It exists as a pair of oxygen atoms and is the most stable form of oxygen, as well as colorless.

So, Chapman proposed that as soon as one of these oxygen atoms («free radicals») collided with an ordinary diatomic oxygen molecule, they would react together to form a single triatomic ozone molecule (Figure 18).