Sentences with phrase «oxygen atoms from»

You have to melt the bauxite in another mineral called cryolite, and then pass an electric current through it, separating the oxygen atoms from the aluminium.

Substrate molecules, such as organic compounds containing double bonds, can extract oxygen atoms from this bank to produce oxidized products.

Our catalyst improves this process by passing through a chemical intermediate — called an eta -3-ozone intermediate — in which the two oxygen atoms from molecular oxygen can be easily separated from each other and passed on to two different molecules of substrate.

The first is to produce the oxygen atom from oxygen molecules.

Not exact matches

This organic whole that began from an initial high bang and eventuated into the present universe is distinguished by a form of unity and diversity radical beyond all imagining: infinite differences, and diversity that is marked not by isolation but by shared atoms over millennia as well as minute - by - minute exchanges of oxygen and carbon dioxide between plants and animal.

He doesn't say the universe came from a single oxygen atom!

For example, what must be the nature of physical existents such that the composite, the molecule of water, not only consists of one oxygen atom and two hydrogen atoms, but that they are at a particular distance from each other and in a particular three - dimensional pattern?

The palladium atoms initially snatch hydrogens from the alcohols but later give them up to oxygen atoms in the solvent, generating water and returning the catalyst to its original state.

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.

Atoms of oxygen from the water could pair with atoms of oxygen from the rust or sand, creatinAtoms of oxygen from the water could pair with atoms of oxygen from the rust or sand, creatinatoms of oxygen from the rust or sand, creating O2.

A highly ionized solar oxygen atom would be unlikely to duplicate the behavior of a singly ionized atom from Earth, the researchers said, because the ion from the solar wind would have to regain some of the electrons that got stripped off.

Molecular «cages», crystals made from chains of carbon, oxygen and hydrogen atoms, are one solution.

The materials are made of strontium, niobium and oxygen atoms, with a layered structure derived from perovskite.

The lander would refuel on the space station, and would utilize liquid hydrogen fuel, which would come from water molecules broken into their composite oxygen and hydrogen atoms.

The voltage injects electrons into the oxygen atoms, allowing them to break free from titanium's hold and travel to the electrode, where they pick up carbon atoms from the graphite to form carbon dioxide.

Tubes made from LSCF have the property of being permeable to oxygen ions — oxygen atoms with an electric charge — and little else.

Most researchers believed that the light comes from oxygen atoms in the ionosphere.

The green glow photographed by Kumar and Bondoux emanates from oxygen atoms in the atmosphere returning to their lowest - energy state after being excited by charged solar particles.

After breaking away from the molecule in the strong laser field, the electron returned and was scattered on a molecular ion, which resulted in the molecule dissociation into a positive nitrogen ion and an oxygen atom.

Using the oxygen - terminated substrate surface from the first paper, the team removed the screening effect from the substrate and doped the molybdenum disulfide 2 - D film with rhenium 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.

An atmospheric water molecule can be broken apart by sunlight, releasing the two hydrogen atoms from the oxygen atom that they had been bound to.

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.

Charged lithium atoms react with the oxygen from air flowing through the apparatus, forming lithium peroxide, and deposit on the structure.

When the radiation from this object hit the gas cloud, it excited oxygen atoms, causing the cloud to glow green.

Oxygen atoms in the filaments absorb light from the quasar and slowly re-emit it over many thousands of years.

Above this mass, in the upper main sequence, the nuclear fusion process can instead use atoms of carbon, nitrogen, and oxygen as intermediaries in the production of helium from hydrogen atoms.

Eventually the two oxygen atoms might break free from their carbon neighbor.

XRD data of all the flash states studied revealed an anomalous diffraction signal from Mn that is not complicated by signals from the overall protein matrix of carbon, nitrogen, oxygen and other metals, or even by the Ca atom, which is a part of the five atom Mn4Ca metalloenzyme complex.

Ozone, made from three bound oxygen atoms, helps filter the sun's harmful UV rays from Earth's surface.

In the ionosphere, the ions of the solar wind collide with atoms of oxygen and nitrogen from the Earth's atmosphere.

Why It Matters: To upgrade renewable biomass sources into liquid fuels requires removing oxygen atoms, often from intermediately formed alcohols.

Synchrotron - based x-ray absorption spectroscopy for both aluminum and oxygen reveals that the aluminum coordination in the ideal material is a distorted octahedral geometry with oxygen atoms at two, discrete distances from the central aluminum atom.

Earth's much thicker layer of low - level ozone, however, has a much larger contribution from the build - up of molecular oxygen beginning some 2.4 billion years ago from photosynthetic microbes excreting oxygen as a waste gas, which now along with plant life is constantly replenishing Earth's two - atom as well as three - stom ozone oxygen molecules.

Light from oxygen atoms is rendered blue in this image; hydrogen is shown as green, and nitrogen as red.

According to scientists, the quasar beam caused invisible filaments in deep space to glow through a process called «photoionization,» in which oxygen atoms in the filaments absorb light from the quasar and re-emit it over many thousands of years.

Ketosis comes from the root word ketones and indicates a carbon atom with two side groups bonded to an oxygen atom.

Learn about water molecules: All you really need to know to do this activity is that the water molecule is made from the bonding of two atoms of hydrogen to one atom of oxygen.

The atmosphere around our earth contains small amounts of ozone; molecules made from three oxygen atoms.

It differs from normal oxygen (O2) in having three atoms in its molecule (O3).»

For the important ultraviolet photons which are desired to be removed from the solar radiation are those less energetic photons which decompose the ozone molecules to produce another oxygen atom which again can reform another ozone molecule.

Ozone is a molecule made up of three oxygen atoms, and the ozone layer, which stretches from heights of 12 to 19 miles (20 to 30 kilometers) above the Earth's surface, protects life on Earth by shielding it from ultraviolet (UV) radiation.

However, my main point was not so much about the «make up» of ozone but more about the possibility that as long as oxygen atoms and molecules absorb enough energy from UV radiation to alter their structure it may be that they also produce an increase in their heat content, which should be greater at any points nearest to the source — i.e..

While they show that there is indeed an influence on a molecule's radiative efficiency with respect to whether a CF3 group is bonded to the ether oxygen atom or whether it is more removed from the ether oxygen, for example, their study misses the underlying fundamental molecular properties responsible for radiative efficiency.

Carbon dioxide (CO2) forms during coal combustion when one atom of carbon (C) unites with two atoms of oxygen (O) from the air.