Sentences with phrase «as hydrogen on»

Using sunlight to create fuels (such as hydrogen on the other electrode in this solar cell) with inexpensively prepared electrodes may provide a solution to the intermittency drawback of solar energy.

Not exact matches

Methane — a compound made up of one carbon atom bonded to four of hydrogen — is, according to the Intergovernmental Panel on Climate Change, 25 times as potent as carbon dioxide.
It zoomed into hydrogen, only to put on the brakes in the mid-2000s after regulators found that Shell vastly overbooked oil reserves, a scandal that prompted Shell to refocus on what it saw as the part of its business that really counted.
Other makers are also expected to join the fray, as more hydrogen fueling stations come on line.
Technologies from Westport Innovations Inc. allow engines to operate on clean - burning fuels such as compressed natural gas (CNG), liquefied natural gas (LNG), hydrogen and biofuels such as landfill gas.
The Giacomini Group's Federico Fioroni told CNBC that the company's work on hydrogen dates back to the early 2000s, as part of a wider project looking at different sustainable sources of energy.
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.
By Eric M. Johnson SEATTLE (Reuters)- Budweiser beer maker Anheuser - Busch said on Thursday it reserved up to 800 hydrogen - fueled semi-trucks from Nikola Motor Company as part of...
Nikola plans to process its own hydrogen fuel at each station with on - site solar power, wind power or by buying electricity created through renewable sources such as hydropower.
Budweiser beer maker Anheuser - Busch said on Thursday it reserved up to 800 hydrogen - fueled semi-trucks from Nikola Motor Company as part of plans to convert its dedicated long - haul fleet to renewable powered trucks by 2025.
However, the Rosina mass spectrometer aboard Rosetta found that the ratio of deuterium to hydrogen in the comet is far greater than that found on Earth, adding to the growing body of evidence that the water on Earth was delivered not by comets, as previously thought, but by asteroids.
Recently the Japanese government asked internet providers to block websites that promote suicide and suicide methods, such as hydrogen sulphide on the internet after their was a rash of suicides committed using these techniques in the past few months.
I believe that the sun is powered by the nuclear fusion of hydrogen in to helium, because the spectrum of the emitted light is exactly as predicted by theory and tested by experiment on earth.
That is a very dry world to live in... as far as theory is concerned it is as enigmatic as religous beliefs... Example 2 hydrogen and on oxygen make water... it is proven fact.
Hydrogen, which constitutes 74 per cent of the material of the universe and on which the origin of life as we know it was dependent, could not then have existed.
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?
Despite its limited commercial exposure thus far, a handful of hydrogen water brands are taking different approaches as they seek to stake their respective claims on this emerging category.
Hydrogen peroxide is safe for use on colored fabrics as well as whites (unlike bleach).
Schwadron, a co-author on the JGR paper, was the first to suggest energetic particles as the possible mechanism for creating molecular hydrogen.
The team interpreted a widespread decrease in the number of epithermal neutrons detected by LEND as a signal that hydrogen is present on PFS.
The team thinks more hydrogen may be found on PFS in northern hemisphere craters as well, but they are still gathering and analyzing LEND data for this region.
Hydrogen molecules aren't the best coolant, but they are good enough to enable giant gas clouds, millions of times as massive as the sun, to fall in on themselves.
Cars running on hydrogen fuel cells produce zero emissions, but currently, factories must use fossil fuels, such as natural gas, or precious metals, such as platinum, to...
His early experiments on the composition of hydrogen chloride and hydrochloric acid were published as a successful textbook, Elements of Experimental Chemistry, which ran to its 11th edition by 1829.
For example, instead of using a water - based substance as a basis for its cellular processes, a Martian organism might use hydrogen peroxide, a molecule similar to perchlorate that is abundant on Mars.
The United States followed in January 1958 with the 31 - pound satellite Explorer I. Even as the nascent U.S. space program focused on pint - size payloads, however, a research team at an obscure division of the General Dynamics Corporation was secretly drawing up plans for a monstrous 4,000 - ton spaceship that would be powered by the sequential explosions of thousands of hydrogen bombs and would ferry hundreds of astronauts at a time across the solar system.
Dr Russo said: «With this procedure, we have found that what makes water behave anomalously is the presence of a particular arrangement of the water's molecules, such as the tetrahedral arrangement, where a water molecule is hydrogen - bonded to four molecules located on the vertices of a tetrahedron.
These human - made materials were introduced in the 1990s, and researchers around the world are working on ways to use them as molecular sponges for applications such as hydrogen storage, carbon sequestration, or photovoltaics.
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.
Raymond Pierrehumbert at the University of Chicago and Eric Gaidos at the University of Hawaii in Honolulu calculated the warming effect of a hydrogen blanket on Earth - sized planets, as well as on worlds a few times more massive than our own, known as super-Earths.
Representing the 6,000 physicists who work on two separate detectors at the Large Hadron Collider (LHC), called CMS and ATLAS, two spokespersons said that both experiments seemed to agree, as both their data sets suggested that the Higgs has a mass close to that of about 125 hydrogen atoms.
And if hydrogen is fed into a fuel - cell stack — a batterylike device that generates electricity from hydrogen and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 2005].
Though it has the potential to transform life on Earth, metallic hydrogen could also play a key role in helping humans explore the far reaches of space, as the most powerful rocket propellant yet discovered.
As plug - in electric vehicle sales continue to putt along, automakers are increasingly pinning their hopes on hydrogen fuel cells as the clean vehicle technology of the futurAs plug - in electric vehicle sales continue to putt along, automakers are increasingly pinning their hopes on hydrogen fuel cells as the clean vehicle technology of the futuras the clean vehicle technology of the future.
Hydrogen is «a highly flexible energy vector and energy carrier capable of serving as a weapon against climate change in a future, integrated multi-sector energy system,» said Mary - Rose de Valladares, manager of the International Energy Administration Hydrogen Implementing Agreement, which is developing a comprehensive road map on the production and utilization of hydrogen due for release early neHydrogen is «a highly flexible energy vector and energy carrier capable of serving as a weapon against climate change in a future, integrated multi-sector energy system,» said Mary - Rose de Valladares, manager of the International Energy Administration Hydrogen Implementing Agreement, which is developing a comprehensive road map on the production and utilization of hydrogen due for release early neHydrogen Implementing Agreement, which is developing a comprehensive road map on the production and utilization of hydrogen due for release early nehydrogen due for release early next year.
On the surface, the hydrogen is cleanly burned in a turbine to produce electricity and the carbon dioxide, as well as processed carbon monoxide, is liquefied for underground storage.
As stars age, they fuse together heavier and heavier elements, forging helium from hydrogen, carbon from helium and so on up the periodic table to iron.
«We want to be just as confident of the safety of hydrogen in our fuel tanks and on our street corners.»
Water molecules can exist as one of two isomers, depending on how the spins of their two hydrogen atoms are orientated: ortho, where the nuclear spins are parallel to one another, and para, where the spins are antiparallel.
As bacteria fed on the creatures that rained from above, they produced toxic gases — methane, carbon dioxide, and hydrogen sulfide — that in turn bubbled up to poison the birds and insects flying overhead.
Over a period of months, as Earth spins on its axis and revolves around the sun, the Paris researchers monitor their oscillator, comparing it with the microwaves from a hydrogen maser (microwave laser), which shouldn't be affected by Earth's motion.
The team achieved better hydrogen yields using methanol and ethanol as starting materials but because glucose can be derived from plant waste such as wood pulp, straw and leftovers from corn production, the scientists will continue to work on their approach.
If the probe happens to land on ice, it will evaporate a sample with a little projecting tube and measure the hydrogen there as well.
But by building on the basic step of achieving such high quantum efficiency for solar hydrogen generation, we could make the process of producing a «green» fuel much greener as well.»
Over the years, Easley produced code that went on to be used in renewable energy research, including batteries for early hybrid vehicles, as well as for the high - thrust liquid oxygen / liquid hydrogen Centaur rocket used to get space capsules into orbit.
As caterpillars grow, they take on a characteristic chemical signature of the environment, with hydrogen, oxygen and other elements fixed in tissues in varying amounts.
Using spectral readings from telescopes at the Keck Observatory in Hawaii, Hand has found high levels of oxidative chemicals such as sulfate, oxygen, sulfur dioxide and hydrogen peroxide on Europa's surface, which are produced as ionizing radiation from Jupiter scours it, splitting apart water molecules and sulfur compounds in the uppermost layers of its ice.
In only two weeks of driving, the district coordinator of science for the Port Chester, N.Y., public school system has driven at least 600 miles (965 kilometers) on the car and her fuel cell Equinox has gotten as much as 191 miles (307 kilometers) on its three full tanks (each holding slightly more than four kilograms, or 8.8 pounds, of compressed hydrogen gas).
If there were too much UV light, no water could survive on the surface because the water molecules would break up and escape through the top of the atmosphere as hydrogen and oxygen gas.
Back then, all stars needed to form was a primordial soup of mostly hydrogen and some helium atoms, perturbed by the effects of gravity on minuscule differences in the density of the gases, and the mysterious substance known as dark matter.
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