Sentences with phrase «when hydrogen»

But the energy costs to perform splitting outweigh the energy created from hydrogen when the Hydrogen is split from the water molecule H2O.
So, what happens, for instance, when hydrogen from nat gas is used to upgrade heavy oil which is then used for non-energy applications?
The only product left over when the hydrogen is used up, is pure water.
There are no carbon emissions when hydrogen is made by a thermochemical reaction splitting water using the heat of a solar reactor.
The energy put in by the power stations would be released when the hydrogen was used elsewhere.
Most importantly, he says, «FCVs aren't green» because of escaping methane during natural gas extraction and when hydrogen is produced, as 95 % of it is, using the steam reforming process.
How fuel - cell technology will affect enthusiasts and car collectors remains to be seen, but we can imagine the day when hydrogen cars will make a presence on the SEMA Show floor.
Although it's just a concept, Nissan says the TeRRA demonstrates the company is ready to mass produce fuel cell vehicles when hydrogen becomes more available.
This study uses a life cycle costing (LCC) methodology to identify when hydrogen can become economically feasible compared to the conventional fuels and which energy policy is the most effective at fostering the penetration of hydrogen in the competitive fuel market.
Trans fats are formed when hydrogen is added to vegetable oil during food processing in order to make it solidify.
Trans fats are made when hydrogen is added to vegetable oil to create a solid fat at room temperature.
Hydrogen SIBO occurs when hydrogen gas is released from bacteria in the small intestines, while the methane form happens when a different kind of organism — archaea — produce methane.
This type of bonding alone, however, was not sufficient for stability; when the hydrogen molecules were removed from the cage, the H2S molecule framework collapsed.
This develops when hydrogen chloride ionizes in water to form the hydrochloric acid.
When hydrogen ions are released in seawater, they combine with carbonate ions to form bicarbonate.
When hydrogen gas is heated by the ultraviolet emissions of new stars, it produces a spectral signature called the Lyman - alpha line.
In 1935 Eugene Wigner and Hillard Bell Huntington conjectured that at very high pressures, when hydrogen makes the transition from the «molecular» phase to the «atomic» phase (when the atoms are so close to each other that the molecular structures can no longer be distinguished), hydrogen acquires metallic properties.
The sun was born in a moment some 4.6 billion years ago, when hydrogen atoms began fusing into helium.
Al - Khalili and McFadden dug out a long - forgotten proposal made back in 1963 that suggested DNA mutates when this hydrogen atom tunnels, quantum - mechanically, to the «wrong» half of its rung.
When the hydrogen runs out, the star's core collapses in on itself, contracting until it becomes hot enough to burn its own ashes — the core now fuses helium into the heavier elements carbon and oxygen.
However, Gervasio's early systems ran into trouble when the hydrogen - generating cells became clogged with insoluble boron oxide.
When the hydrogen bond is restored, the two pieces are «healed.»
Last year, researchers found that in conditions mimicking those sparked by a comet or meteorite impact, intense heat and pressure converted formamide (which forms when hydrogen cyanide reacts with water) and other simple substances into the four information - bearing nucleobases in RNA, a likely genetic precursor to DNA.
Roth and his colleagues instead went looking in Hubble's ultraviolet images, which can capture the light emitted when hydrogen and oxygen molecules collide with stray electrons.
After extensive testing, the team found that the hydrogen binding energy (the amount of energy released when a hydrogen molecule adheres to a metal surface) was the most important factor predicting the rate of the reaction — information essential to researchers designing new catalyst materials.
The most dramatic effects were a nearly 2 mmHg rise in diastolic (the low number) blood pressure when the odor was rated an 8 compared with no odor, and a nearly 3 mmHg rise in systolic (the high number) blood pressure when hydrogen sulfide concentrations reached 10 parts per billion compared with no detectable level, the researchers reported last week in Environmental Health Perspectives.
Powered by the electricity generated when hydrogen and oxygen combine to form H2O and with upholstery fabric made of fermented corn, the Clarity sure sounds green.
When the hydrogen peroxide washes over flecks of platinum embedded within the octobot, the resulting chemical reaction produces gas that inflates and flexes the robot's arms.
But the Colorado researchers found that when hydrogen gas flows over carbon nanotubes, the tubes soak up the gas like sponges.
The SINTEF scientists believe that the method will also be suitable for capturing CO2 when hydrogen is separated out of natural gas, as well as in cement, iron and steel production (see Fact - box 1).
Only when hydrogen peroxide is available, the catalase reaction can take place as you probably observed in the other cups.
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.
When hydrogen and oxygen combine in a planet's atmosphere, they can ignite into a ball of fire and then leave behind liquid water oceans that would be good for life
When hydrogen atoms are in a cis position, they cause a kink in the chain of carbons.

Not exact matches

The test used hydrogen, which reacts violently when exposed to air.
When Vancouver civil engineer James Dean started his greentech company, dPoint Technologies, in the early 2000s, he figured he could hitch his wagon to the promise of the hydrogen fuel cell sector.
You compress the hydrogen and you get conditions when fusion is happening, when tritium and deuterium, special forms of hydrogen, start fusing together making helium, which we have a term for, an alpha - particle.
The men were doing maintenance inside a hydrogen compressor building at the company's Long Lake upgrader in January 2016 when the explosion occurred.
The pesticide is not approved for use on plants that are combusted, such as tobacco or cannabis, and is known to emit hydrogen cyanide when heated.
Since when do carbon, nitrogen, oxygen, hydrogen, sulful, phosphorus — the primary building blocks of biology - have ideas of their own, or any ideas at all?
Heaven is that planet 35000 light - years from earth, ten times as big made of hydrogen and oxygen for water, gold as atmosphere (yes we're taking the gold) But to desist as soul when given the chance in hell if you truly believe seems impassible for me to fathom.
When he speaks of waters he is speaking of hydrogen, when speaking of the «expanse» he is speaking of the heavens and the univeWhen he speaks of waters he is speaking of hydrogen, when speaking of the «expanse» he is speaking of the heavens and the univewhen speaking of the «expanse» he is speaking of the heavens and the universe.
Remember last Friday when news circulated that North Korea tested a hydrogen bomb — but it was actually a nuclear bomb?
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.
Since then, the Steady State Theory has been disproven, and the Big Bang Theory has been shown to be correct, vindicating a form of «Creationism», which not only explains «let there be light» (the early universe was dominated by radiation — light), but explains of separation of light and darkness — the decoupling era, about 300,000 earth years after the big bang, when the universe cooled below the ionization energy of hydrogen, allowing it to become transparent for the first time.
More likely, it'll happen in a few biillion years when the sun expandss rapidly as it depletes its» hydrogen fuel, and the earth is scorched.
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.
Methylglyoxal is known to kill all kinds of bacteria and unlike hydrogen peroxide it does not loose it's antiseptic properties when in contact with bodily fluids.
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