Sentences with phrase «hydrogen atoms in»

First manufactured in 1929 by substituting chlorine atoms for hydrogen atoms in hydrocarbon formulas, PCBs do not burn and are nearly indestructible, so they were perfect coolants, insulators, and hydraulic fluids.

For starters, this is what a googol looks like: 100,000,000,000,000,000,000,000,000, 000,000,000,000,000,000,000,000,000, 000,000,000,000,000,000,000,000,000, 000,000,000,000,000,000,000 10 followed by a hundred zeros is certainly a big number - so big that some estimate that a googol is greater than the number of hydrogen atoms in the observable universe.

This is important because muscle carnosine works to buffer away the buildup of hydrogen atoms in working muscle, essentially preventing your muscles from becoming fatigued.

That hydrogenation process that we mentioned earlier turns unsaturated fats into these much more dangerous trans fats by changing the placement of the hydrogen atoms in the molecule.

That blistering heat stripped light - emitting electrons from the hydrogen atoms in the plasma, eliminating light as a source of information about the atomic nuclei, or ions, in the plasma and creating the need for a new diagnostic tool.

Gravity will ultimately determine the fate of the expansion, and gravity is dependent upon the mass of the universe; specifically, there is a critical density of mass in the universe of 10 - 29 g / cm3 (equivalent to a few hydrogen atoms in a phone booth) that determines what might happen.

Furthermore, theoretical calculations on diphosphine capped gold clusters often involve the substitution of simpler hydrogen atoms in the place of computationally demanding substituents such as phenyl groups with the assumption that the substitution does not alter the stability of the cluster.

In MRI, hydrogen atoms in the body — atoms that are mostly contained in water molecules and fat — are excited using a magnetic field.

Scientists had proposed that the line could be the result of sulfur ions grabbing an electron from hydrogen atoms in space.

The extremely high temperatures — hundreds of millions of degrees Celsius — cause fusion to occur between hydrogen atoms in the plasma, releasing tons of energy.

The number of potential cell types from that collection of genes is vast, some 10 6000s greater than the number of hydrogen atoms in the Universe.

Specifically, the team used neutron crystallography to study the location of hydrogen atoms in aspartate aminotransferase, or AAT, an enzyme vital to the metabolism of certain amino acids.

«This study highlights how neutrons are an unrivaled probe for identifying the location of hydrogen atoms in biological systems, providing us with an unprecedented level of structural detail for this important enzyme,» LADI - III beamline scientist Matthew Blakeley said.

«The Ru catalyst precisely distinguishes butadiene and substituted acetylene molecules and new carbon - carbon bonds are formed among a butadiene with two acetylenes just by migration of the terminal hydrogen atoms in butadiene.

and look T. M. Walraven of the University of Amsterdam are trying to achieve such a condensation with a collection of hydrogen atoms in a magnetic trap.

While MRI traces the hydrogen atoms in water molecules, DTI builds a picture out of the direction in which those molecules are moving.

In a 1931 article in The Strand Magazine entitled «Fifty Years Hence» 1, he described fusion power: «If the hydrogen atoms in a pound of water could be prevailed upon to combine together and form helium, they would suffice to drive a thousand - horsepower engine for a whole year.»

Such views suggest that tiny galaxies in the early universe played a crucial role in cosmic reionization — when ultraviolet radiation stripped electrons from hydrogen atoms in the cosmos.

18 Magnetic Resonance Imaging (MRI) machines generate a field 60,000 times as intense as the earth's to vibrate the hydrogen atoms in your body; in response, the atoms emit radio waves that are analyzed to produce a map of your insides.

Eventually, the majority of the hydrogen atoms in the universe became ionized.

This is more than theory: In the late 1940s, physicist Willis Lamb detected the effect of virtual particles on hydrogen atoms in his Columbia University laboratory.

It's heavier than normal because each of the two hydrogen atoms in heavy H2O weighs two rather than one amu.

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.

Collisions with hydrogen atoms in the lunar regolith reduce the numbers of epithermal neutrons that fly into space.

Their composition is largely dependent on hydrogen atoms in the molecules, and the ability of these to create hydrogen bonds with other elements.

He has spent his career focused on just one bond, a link between a carbon and a hydrogen atom in a molecule of methane, the main component of natural gas.

The authors then test their theory using an application based on studying the influence of the confinement of a hydrogen atom in fullerene cages of two different sizes; namely C36 and C60.

Each carbon and hydrogen atom in a molecule has a defined frequency in the NMR spectrum that scientists use determine how hydrogen and carbon atoms are connected together.

An electron orbits a hydrogen atom in about 150 attoseconds.

However, almost every hydrogen atom in the IGM, out to the farthest galaxies telescopes can see (13 billion light - years away), has been ionized — has lost its electron.

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.

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.

if you want hydrogen 1 proton, 1 neutron, 1 electron and you have 1 atom of hydrogen; the hard part is it would cost us more energy than we can afford at this point in our technological stage to accomplish such a feat.

These acids in turn are merely complex chains of atoms (carbon, hydrogen, oxygen, nitrogen).

If hydrogen atoms, which were once the dominant «species» of being in the universe, had been conscious they may easily have conjectured that they were the final product of the evolutionary process.

Yet, we need not conclude that all the «released energy»» was potentially contained in the individual hydrogen atom or the system of such atoms.

Rather, this reduction assumes a theory of cosmic evolution or cosmogeny and in addition two kinds of pre-established harmony in order to allow sleeping potentialities, or relative propensities of low probability built into the hydrogen atom to become activated.

The stars are essentially laboratories in which Nature, starting with primordial hydrogen, manufactures atoms.

Then, list 2 effects that would be expected upon substi - tuting an electron with a muon in a helium atom when mixed into a hydrogen cloud.

Cosmic and biological evolution involve change in structures — as, for example, when electrons and protons form hydrogen atoms.

Then, summarize the effects that would be expected upon subst - ituting an electron with a muon in a helium atom when mixed into a hydrogen cloud.

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?

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.

Then again there are formulae which assert that there are entities in nature with such and such special properties, say, for example, with the properties of the atoms of hydrogen.

Every atom that make up this planet, every plant, every creature above hydrogen (and a small percentage of helium) was formed in the belly of a dying star, including the gold.

In an age of atom and hydrogen bombs — an age when the destruction of the whole world is possible — we are finally accepting the view that the church must take a clear stand for peace.

The question I now put and leave as a question for the moment is this: is anything else going on in the self - organization of snow flakes and the self - organization of hydrogen atoms that led to the universe and us?

In the universe that consisted of hydrogen atoms alone, the sum total of occasions of experience must have been minimal in cosmic historIn the universe that consisted of hydrogen atoms alone, the sum total of occasions of experience must have been minimal in cosmic historin cosmic history.

For example, the presence of hydrogen and methane are clues that the chemical environment of the fluid in which the diamond crystallized was one in which the metal atoms could easily gain electrons and disengage from carbon atoms.

Hydrogen atoms remained in this neutral state until stars and galaxies began to form.