Sentences with phrase «by hydrogen»

To actually stop the growth of oil imports and potentially even reduce consumption, automakers have focused on developing cars powered by hydrogen fuel cells.
Supporting a rail system powered by hydrogen fuel cells, for example, would require an entirely new infrastructure because hydrogen, being a small molecule, would leak through existing pipelines.
These protein crystals are held together by hydrogen bonds, one of the weakest chemical bonds, and have an important role in defining the mechanical properties of silk.
The telescope detects radio waves that have been emitted by hydrogen.
An ammonia cluster is a number of ammonia molecules held together by hydrogen bonds, a kind of interaction that is weaker than conventional chemical bonds.
But he says the argument would be more persuasive if it explained why the crust would have absorbed the excess oxygen produced by hydrogen escape.
A blast at No. 4 in the early days of the crisis that was apparently triggered by hydrogen from No. 3 badly damaged one of the pool's supporting walls.
Three reactors — Units 1, 2, and 3 — sustained severe core damage, and three reactor buildings — Units 1, 3, and 4 — were damaged by hydrogen explosions.
The process would be powered only by hydrogen and electricity.
Fuel cells, essentially continuous batteries, can be fed by hydrogen extracted from methane.
The concept is powered by a hydrogen fuel cell and was intended to explore hydrogen technology for military applications.
The concept was powered by a hydrogen fuel cell powertrain, so that could be something we'll see in a future variant.
On the atomic level, the layers are joined together by hydrogen bonds.
The «H» in HERA stands for hydrogen, and the instrument's antennas are tuned to detected a wavelength of light emitted by hydrogen atoms.
An international team of scientists has pushed the limits of radio astronomy to detect a faint signal emitted by hydrogen gas in a galaxy more than five billion light years away — almost double the previous record.
The telescope — based at the US National Radio Astronomy Observatory (NRAO) in West Virginia — was tuned to a frequency of 1420 megahertz, the wavelength of radiation naturally emitted by hydrogen in space.
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.
Any bad smell is caused by hydrogen sulfide, better known as rotten egg gas.
In the double - helix configuration, two strands of DNA are joined to each other by hydrogen bonds in an arrangement known as base pairing.
«Bo - oxidase's activity is completely inhibited by the hydrogen sulfide, while the work of the bd - oxidases remains untouched by the H2S.
Since relatively little matter piles up before it fuses — and fusion is a relatively weak source of X-rays — the X-rays produced in this way on a normal pulsar are dwarfed by the X-rays produced by hydrogen as it falls onto the pulsar.
And if the blast appears to be caused by a hydrogen bomb, it would show North Korea could pull off a devastating thermonuclear strike on US soil.
The powertrain is topped by a voltage - control unit that boosts and regulates the electricity created by the hydrogen fuel - cell stack, which is 33 - percent smaller than before thanks to cells that are 20 - percent thinner (down to a single millimeter per cell).
-- Beta alanine — It reduces the effect of burning in the muscles while training.Beta alanine helps buffer the acidity produced by hydrogen ion accumulation during the workout, which means delayed muscular fatique.Your pre-workout should contain a minimum of 1g beta - alanine per serving.
An atmosphere largely dominated by hydrogen, if cloud - free, should yield prominent spectroscopic signatures in the near - infrared detectable during transits.
Working with his engineering partner, J. B. Straubel, and airplane designer Burt Rutan, Rosen developed an unmanned plane powered by a hydrogen engine.
, you connect the black jumper cable to the dead car's chassis to avoid sparks made during the connection near the battery, which could be surrounded by hydrogen gas.
The Fuel Cell Technologies Office will present a series of three live webinars to describe the capabilities in each of the water splitting pathways being covered by the HydroGEN consortium.
In short, the Mirai is a sporty looking car that has an electric drivetrain and is powered completely by hydrogen.
For example, Toshiba has developed machines that decontaminate surfaces with blasts of dry ice, inspect vent pipes for leaks, and cut and remove debris covering fuel rod assemblies in the Unit 3 building, which was damaged by a hydrogen explosion.
Attached to these chains, also by hydrogen bonds, are the piperidinium ions.
According to the U.S. Department of Energy's Alternative Fuels Data Center, fuel cell electric vehicles powered by hydrogen represent a more efficient option than internal combustion engines.
The only highlights I'd like to see is the whole ceremony backlit by a hydrogen bomb.
Without getting to deep into the chemistry of fats, let's simply say this: Hydrogenated fats are those that have been treated by hydrogen.
So every piece of equipment going down the hole will be blasted by a mixture of hot water and compressed air, followed by hydrogen peroxide.
It did not find a sudden decrease in the brightness of the light emitted by hydrogen at any point in that period, suggesting that re-ionisation did not occur suddenly (Nature, vol 468, p 796).
Boynton and his team used the Odyssey instrument to zero in on energetic gamma rays, which are emitted by hydrogen when it is stimulated by subatomic collisions, and on sluggish neutrons that had been slowed down by their interaction with hydrogen.
Draths and Frost were able to complete the final stage, in which muconic acid is converted to adipic acid by hydrogen gas and a platinum catalyst, without having to separate the muconic acid from the crude culture medium.
Stars like HD 65750 burn a shell of helium outside a carbon - oxygen core, sometimes accompanied by a hydrogen shell closer to the star's surface.
The bonds between the graphene and the substrate material are separated and saturated by the hydrogen atoms.
MAVEN's magnetometer found a decrease in the occurrence of electromagnetic waves excited by hydrogen ions, indicating a decrease in the amount of hydrogen present.
IUVS observed a drop in the amount of sunlight scattered by hydrogen in the upper atmosphere.
«The development of electrical mobility will be largely characterized by the hydrogen fuel - cell,» Wolfgang Reitzle, Linde's chairman, said in a statement.
Anything that strengthens electrostatic or hydrophobic repulsion within these gels will make them expand; influences building attraction, typically mediated by hydrogen bonding or van der Waals interactions, will make them shrink.
World's first manned airplane powered by hydrogen takes flight U.S. aircraft maker Boeing announced this week that it had completed the world's first manned flights in an airplane powered by pollution - free hydrogen.
The H2 Refuel H - Prize will be administered by the Hydrogen Education Foundation for the Energy Department.
a b c d e f g h i j k l m n o p q r s t u v w x y z