Sentences with phrase «by hydrogen atoms»

Saturated fats like coconut oil and tallow, are extremely stable because they pack together tightly courtesy of very straight carbon bonds that are all occupied by hydrogen atoms.

The presence of the Lyman - alpha line was unexpected: while it is frequently detected in galaxies closer to Earth, the team thought that EGSY8p7's emission line would have been absorbed when the universe was formed by the hydrogen atoms believed to inhabit the space between galaxies.

That incoming light is absorbed by hydrogen atoms and converted to heat energy, NASA stated, and this steady conversion of light - to - heat makes the planet appear to be pitch - black to onlookers, the researchers found.

The VLA can image the gas in such galaxies because it is particularly sensitive to the radio waves naturally emitted by hydrogen atoms.

These filters isolate blue and near - infrared light, along with red light emitted by hydrogen atoms and green light from Strömgren y.

Instead of searching for the light from individual galaxies with an optical telescope, the team stalked a different quarry, red - shifted radio waves emitted by hydrogen atoms floating in huge clouds within the galaxies.

The «H» in HERA stands for hydrogen, and the instrument's antennas are tuned to detected a wavelength of light emitted by hydrogen atoms.

Saturated: A fatty acid is saturated when all available carbon bonds are occupied by a hydrogen atom.

Not exact matches

Based on previous research and work in the field of plasma physics, the two former Creo laser printing employees believe they can build a reactor to fuse hydrogen atoms together by pneumatically - driven pistons and produce enormous increases in energy.

Their reaction is created by colliding two plasma balls made of hydrogen atom cores at one million miles per hour.

A fusion power plant, on the other hand, will generate energy by fusing atoms of deuterium and tritium, two isotopes of hydrogen — the lightest element.

If humans were not designed by a higher authority, how can each individual's DNA be uniquely different among the human species, especially different than the other animals; how can the life sustaining elements be constantly available and exist in exact formulations: O, H, C etc. water is always 2 atoms of Hydrogen and one atom of Oxygen; sugar, fats, grains, and any bio-chemical products can be broken down to their simplest forms of elements, but can be re-constructed with specific (not by chance) formula.

Meanwhile, science can characterize the content of deuterium (a hydrogen nucleus with a proton and a neutron) to the usual quality limits by looking at a spectra from 1000 hydrogen atoms.

Pagels (1984) points out that if the relative masses of protons and neutrons were different by a small fraction of 1 per cent, making the proton heavier than the neutron, hydrogen atoms would be unstable since the protons that constitute their nuclei would spontaneously decay into neutrons.

The events that make up the hydrogen and oxygen atoms are affected by their environments.

According to substance thinking the atoms of hydrogen and oxygen are unaffected by their combination.

Concerning the conceivability of nothing, Craighead asserts that there is no logical or practical difficulty in our thinking of every contingent item of our experience becoming nonexistent and then not being replaced by anything else; in fact, he holds, the reason we can appreciate a magician's trick or the steady - state theory of cosmology is that we can indeed conceive of a rabbit or of hydrogen atoms appearing out of absolutely nothing.

The precision of previous measurements based on hydrogen atoms was limited by uncertainties related to the internal structure of the proton inside its nucleus.

Remote observations of hydrogen atoms by NASA's Odyssey spacecraft in 2002 hinted that ice might be locked in the top metre of soil at lower latitudes.

There are basically two types of lines, those produced by collisions between the atoms or ions and the electrons in the surrounding gas, which are called collision lines, and which are very bright for elements such as oxygen, nitrogen and neon, and lines which are produced when ions capture free electrons, which are called recombination lines, and which are bright only for those gases with the highest abundances in the interstellar medium: hydrogen and helium.

Instead, specially placed methyl groups — a carbon atom surrounded by three hydrogens — turn a gene on or off.

The diamond - like structural unit consists of six - sided rings of carbon atoms bonded together in chains surrounded by a halo of hydrogen atoms.

MRIs work by tapping into an astonishing phenomenon: When placed in a powerful magnetic field, the hydrogen atoms in water molecules behave like small bar magnets.

Alternatively, the water at Cabeus may have been created when hydrogen atoms carried by the solar wind slammed into oxygen - rich materials in the lunar surface.

In principle, the wave function, denoted by Greek letter psi, can be used to reveal these energy levels for any given atom or molecule, although in practice this has only been done for the very simplest — the hydrogen atom and molecule (made of two hydrogen atoms bonded together).

Like water, it is held together by the powerful bonds between hydrogen and oxygen atoms, so ethanol can not travel through most petroleum pipelines.

Although the gravitational waves are incredibly weak — only enough to warp the distance between Earth and the Sun by the width of a hydrogen atom — LIGO's instruments are extremely sensitive.

Manufacturers do this by hydrogenating the oils — adding extra hydrogen atoms to their molecular structures — which «twists» their shapes.

When surrounded by deuterium atoms (heavy hydrogen), that voltage gives the atoms an electric charge and then accelerates them into a nearby solid target containing additional deuterium.

One key test of matter - antimatter symmetry is to compare the frequencies of light absorbed by hydrogen and antihydrogen atoms.

This region is made up of hydrogen plasma, a gas of atoms whose electrons have been stripped away by the ferocious temperature, leaving just protons behind.

As our solar system slowly orbits around the galactic center, the sun's ultraviolet radiation carves out an egg - shaped region of ionized hydrogen atoms surrounded by neutral hydrogen gas.

The sun makes energy by fusing hydrogen atoms, each with one proton, into helium atoms, which contain two protons.

Their inspiration was a compound with a molecular core consisting of a cube of eight carbon atoms studded with hydrogens, first synthesized in 1964 by Philip Eaton, an organic chemist at the University of Chicago, and his colleagues.

Led by physicist Roberto Serra of the Federal University of ABC in Santo André, Brazil, the experimenters manipulated molecules of chloroform, which are made of carbon, hydrogen and chlorine atoms.

The scientists prepared the molecules so that the temperature — judged by the probability of an atom's nucleus being found in a higher energy state — was greater for the hydrogen nucleus than for the carbon.

All cells contain the same DNA, but individual genes in any cell can be switched on or off by the addition or subtraction of a methyl group — a carbon atom bound to three hydrogen atoms.

Hydrogen atoms which diffuse inside the cages only bond weakly to them, so the gas can be recovered simply by heating the material slightly.

Ethylene (or IUPAC name ethene) is the simplest alkene hydrocarbon, consisting of four hydrogen atoms and two carbon atoms connected by a double bond.

After fixing the molecular engine to the car's chassis and shining a light on it, Tour's team confirmed that the engine was running by using nuclear magnetic resonance to monitor the position of the hydrogen atoms within it.

Positronium atoms are like hydrogen atoms, except the proton is replaced by a positron, the positively charged antiparticle of the electron.

By raising the temperature to 85 °C and adding more hydrogen, the researchers got some of the paired nitrogen atoms to add two more hydrogens; then, each nitrogen atom left its partner completely to form ammonia (NH3).

The team succeeded by using deuteration, or the substitution of deuterium atoms for hydrogen atoms, to study how hydroxyl is produced.

Antihydrogen atoms are annihilated by hydrogen.

• Stars like the sun produce energy by fusing two hydrogen atoms into a single helium atom.

This innovative land mine detector can find explosives that are not encased in metal by detecting the hydrogen atoms that comprise the devious war devices.

Using a molecular dynamics code called NAMD, the team ran simulations of the wild lignin and the genetically modified lignin in a water cube, modeling the presence of the aldehydes by altering the partial charges of the oxygen and hydrogen atoms on the modified lignin's allylic site.

Now, researchers have succeeded by first synthesizing a larger precursor that has a couple of extra hydrogen atoms on it that stabilize the molecule.

Atoms of most elements, such as hydrogen, oxygen and carbon, form tight chemical bonds by sharing electrons with their neighbours in order to give each atom a stable configuration of electrons.

Unlike the sun, which generates energy by fusing hydrogen atoms into helium, RR Lyrae stars have already used up all the hydrogen in their core and are fusing helium into carbon instead.