Sentences with word «hydrogen»

Hydrogen is a kind of gas that is colorless, odorless, and very light. It is the simplest and most abundant element in the universe. Full definition
When a star runs out of hydrogen fuel in its core, it expands into a bloated red giant.
This process could revolutionize the development of hydrogen fuel cells by providing an effective, safer mode of transportation and storage for the volatile gas.
According to theory, that is the kind that should be generated by the nuclear fusion of hydrogen in the sun.
The instrument picked up the characteristic radio emissions from hydrogen gas, indicating the presence of a massive swirling cloud.
And fatty acids are basically chains of carbon atoms with hydrogen atoms attached to them.
These results are the basis for a potential industrial development of this technology and therefore for the creation of systems capable of producing hydrogen from wastewater treatment.
These results show the high potential of such hybrid systems for hydrogen production using solar energy.
The device also is a step forward because it produces hydrogen fuel in an environmentally friendly way.
The company declares that it is conducting research into hydrogen production technologies for fuel cells, though the extent of support for that research is unclear.
The trial will look into the practicality of converting some of this excess electricity into hydrogen gas and injecting it into the existing gas distribution network where it will mix with the natural gas.
Clean technologies such as hydrogen fuel cells will power public transport.
As simple as an individual water molecule is — two atoms of hydrogen bonded with one of oxygen — it forms weak bonds to its neighbors creating more - complex structures.
First, small changes in the catalyst have a significant effect on hydrogen gas production rates.
Most auto makers agree that fuel - cell cars powered by hydrogen produced with renewable energy sources are the end game since they would rely on no fossil fuels and emit only pure water.
But the strategy had to change after the development of the more powerful hydrogen bomb, and with it the realization that having people living in the suburbs but working downtown was a problem.
The concentration of hydrogen ions in the liquid is measured by the pH scale, and then it is expressed on a scale of 0 - 14.
In addition to letting drivers take a spin, the project is also a trial for prototype hydrogen stations.
Still, for those like me who missed it, here's a quick rundown of why this is potentially important and what it means for the so - called hydrogen economy.
The instrument was also the first to detect molecular hydrogen in outer space.
One of the promising methods for hydrogen storage makes use of the capability of some metals and alloys to easily uptake this element.
It will be done as dissolved hydrogen cars the climate problem.
But turning 60 % of the energy in light into hydrogen power is.
There's also currently no cost - effective way to capture the carbon dioxide produced in making hydrogen from natural gas on site at a fueling station, which would undermine any climate benefits.
They form hydrogen molecules that take half the volume of the atoms, thus dropping pressure and concentrating the magnetic field, and so on.
The telescope detects radio waves that have been emitted by neutral hydrogen atoms.
The development of a new technology could be the breakthrough necessary to efficiently produce renewable hydrogen at a low cost.
Previously developed techniques for generating hydrogen from ethanol are best suited to large - scale production at specialized facilities, however, because they require external sources of heat.
We believe hydrogen energy is the key to a more sustainable world.
Perhaps in the distant future when a decent hydrogen infrastructure is in place.
Solar - driven water splitting has been studied intensely for decades because it could provide a nearly limitless supply of clean - burning hydrogen if a suitable catalyst can be found.
The polymer can readily form hydrogen bonds with water.
The two hydrogen tanks provide 280 miles of mobility, with the batteries providing 20 more miles of driving.
I admit I have not heard of hydrogen breath test, I will ask my GI about it.
The material could also serve to separate volatile organic compounds, and store hydrogen gas.
In order to release hydrogen from water we have to supply energy.
How about a liquid hydrogen powered 100 passenger transport aircraft?
In the spectrum, the team found evidence of a large concentration of neutral hydrogen clouds close to the galaxy, indicating the presence of a giant cluster of embryonic galaxies.
These should have formed when hydrogen gas accumulated around small clumps of dark matter and then condensed to make stars.
While tearing apart even a small molecule like hydrogen may seem difficult enough, controlling the oxidation to create an energy - efficient reaction is even more challenging.
Only 100 cars were made, which were leased to high - profile customers, in order to promote the use of hydrogen vehicles.
The fuel cell converts hydrogen into electricity to power the high - torque electric motor.
The image shows sunlight that has been scattered by atomic hydrogen, shown as blue in this false - color representation.
Such interactions are dependent on chemical bonds between hydrogen atoms.
These cells are also readily tailored to address novel challenges presented by advanced hydrogen generation processes / materials.
Normal cell metabolism - the everyday processes that all cells perform - creates hydrogen ions, the source of an acidic body environment.
The four - door sedan — the first hydrogen fuel - cell car available to the general public — emits only water.
Now, it turns out that the jets contain hydrogen gas, a sign of ongoing reactions on the floor of that alien sea.
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