Sentences with phrase «reaction in fuel»

Nitrogen - doped carbon nanotubes or modified graphene nanoribbons may be suitable replacements for platinum for fast oxygen reduction, the key reaction in fuel cells that transform chemical energy into electricity, according to Rice University researchers.

Tests showed their ability to catalyze oxygen reduction, an essential chemical reaction in fuel cells.

There's also interest in using metal catalysts to convert carbon dioxide into fuels, make fertilizers from atmospheric nitrogen and drive reactions in fuel - cell cars.

Platinum is also crucial to the reactions in fuel cells, which combine hydrogen and oxygen to generate electricity.

The team applied the technology, called pressurized magic angle spinning, to studies involving underground carbon storage, fracking wells, and tracking complex chemical reactions in fuel production.

So, PNNL scientists combined two simple, inexpensive, metal - free catalysts to speed reactions in fuel cells.

Not exact matches

It is building on the concept of compressing fuel to heat it until it triggers a fusion reaction, an idea experimented with for years in large - scale government programs.

An investigation found that the accident originated from a reaction in the rocket's second stage liquid oxygen fuel tank.

to direct my own assumptions and reactions to other people in a way that fuels my curiosity in them more than in how I am about to be understood.

In no way do I desire to fuel the «fundamentalist reaction in American culture.&raquIn no way do I desire to fuel the «fundamentalist reaction in American culture.&raquin American culture.»

«If you notice that you're fueling your child's reaction every time you go in and you can tolerate staying away, it's fine to do so.

They are utilizing these emotional popular reactions towards the recent video and nurturing the numerous frustrations of the people to fuel an anti-American sentiment and rejection — indeed they have succeeded in gathering a minority of people who then acted out of control.

The SURE - P scheme was set up under the administration of the former President Goodluck Jonathan in reaction to the partial removal of fuel subsidy in 2012.

Senate Deputy Majority Leader John DeFrancisco says the local chapter of the NAACP misunderstood his comments defending Trump's reaction over the weekend to race - fueled violence in Charlottesville.

One central reaction to climate change (and environmental issues in general) is to change our behaviour (i.e., using less fuel, electrical energy, eating less meat,...).

There has been a furious reaction this week to the fuel price increase - one protester was killed on Tuesday in Ilorin, Kwara state, and thousands of Nigerians have demonstrated in cities across the country.

State Sen. John DeFrancisco says the local chapter of the NAACP misunderstood his comments defending President Donald Trump's reaction over the weekend to race - fueled violence in Charlottesville, Va..

Such rock reactions are exciting because they provide possible energy sources to fuel life in the absence of sunlight.

A chemical reaction is initiated between the fuel and the oxidizer in the combustion chamber, and the resultant hot gases accelerate out of a nozzle (or nozzles) at the rearward - facing end of the rocket.

He expects researchers to use the FEL pulses to probe what happens during fuel combustion, how biomolecules behave in gases, and how reactions proceed at solid - gas interfaces.

The government's policy is also, in part, a reaction to a growing awareness of the environmental damage done by fossil fuels, especially global warming.

The new capability, developed by physicist Mario Podestà at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), outfits the code known as TRANSP with a subprogram that simulates the motion that leads to the loss of energetic ions caused by instabilities in the plasma that fuels fusion reactions.

The water - gas shift reaction, in which carbon monoxide is removed from the fuel gas stream by reacting with water to produce carbon dioxide and hydrogen, is a key step in the process.

Uranium 238 is much more common in nature than uranium 235 but does not fission well, so fuel manufacturers boost the uranium 235 content to a few percent, which is enough to maintain a continuous fission reaction and generate electricity.

Oxygen electrochemistry plays a key role in renewable energy technologies such as fuel cells and electrolyzers, but the slow kinetics of the oxygen evolution reaction (OER) limit the performance and commercialization of such devices.

To verify that MMC9 cells were fueling severe allergic reactions in the mice, the researchers treated the mice with an antibody (anti-Fc RImAb), which eliminated the cells and decreased food allergy symptoms.

A paper by Yan's research group, published in the Jan. 8 issue of the multidisciplinary journal Nature Communications, helps pin down the basic mechanisms of the fuel - cell reaction on platinum, which will help researchers create alternative electrocatalysts.

«Our process also has an important advantage over battery or gaseous - hydrogen powered vehicle technologies as many of the hydrocarbon products from our reaction are exactly what we use in cars, trucks and planes, so there would be no need to change the current fuel distribution system,» said Frederick MacDonnell, UTA interim chair of chemistry and biochemistry and co-principal investigator of the project.

In addition to neutrons, the fission reaction of nuclear fuels like plutonium or uranium releases antineutrinos.

Birthday boy Gerhard Ertl wins the 2007 Nobel Prize in chemistry for developing important new methods for investigating chemical reactions that take place on surfaces — catalytic converters and fuel cells depend on such surface chemistry.

A 10-fold increase in temperature would bring them into the realm of sparking reactions in conventional fusion fuel, a mixture of the hydrogen isotopes deuterium and tritium, known as D - T.

Thus, in addition to the so - called «Haber - Bosch process of nitrogen fixation,» nitrogenase also stimulates a reaction corresponding to the «Fischer - Tropsch synthesis of hydrocarbons,» which can be used on a large scale to synthesize fuels, for instance from industrial waste gases..

In the EU project PhotoBioCat international doctoral students under expert guidance use light as a «fuel» to accelerate enzymatic reactions by means of cyanobacteria.

Chemists have long sought an efficient, light - driven catalyst to power this reaction, which could help reduce the growing levels of carbon dioxide in our atmosphere by converting it into methane, a key building block for many types of fuels.

«If you can create an efficient enough molecule for this reaction, it will produce energy that is free and storable in the form of fuels,» said Li, associate professor in the IU Bloomington College of Arts and Sciences» Department of Chemistry.

Meyer, a chemist at University of North Carolina at Chapel Hill and director of its Energy Frontier Research Center in Solar Fuels, noticed that two separate groups of researchers working on two separate parts of the photosynthetic reaction happened to be using the same class of catalyst — ones with an atom of the metal ruthenium surrounded by organic molecules.

Because of the harsh environment fuel rods are exposed to — heat, steam, and neutrons that emanate from nuclear reactions — extensive further testing will be needed on any new cladding for use in commercial reactors, Kazimi says.

In a new Perspective article, published in the Journal of The Electrochemical Society, researchers are aiming to tackle a fundamental debate in key reactions behind fuel cells and hydrogen production, which, if solved, could significantly bolster clean energy technologieIn a new Perspective article, published in the Journal of The Electrochemical Society, researchers are aiming to tackle a fundamental debate in key reactions behind fuel cells and hydrogen production, which, if solved, could significantly bolster clean energy technologiein the Journal of The Electrochemical Society, researchers are aiming to tackle a fundamental debate in key reactions behind fuel cells and hydrogen production, which, if solved, could significantly bolster clean energy technologiein key reactions behind fuel cells and hydrogen production, which, if solved, could significantly bolster clean energy technologies.

Pound for pound, nuclear explosives — which derive their power from runaway chain reactions in their radioactive fuel — carry about a million times the energy density of chemical explosives.

In another approach, his group has demonstrated in the lab all the chemical reactions necessary to turn biomass such as corn fiber into biocrude, an intermediate product on the way to gasoline and diesel fuel, he says, although the reactions are not yet efficient enough to operate on a large scalIn another approach, his group has demonstrated in the lab all the chemical reactions necessary to turn biomass such as corn fiber into biocrude, an intermediate product on the way to gasoline and diesel fuel, he says, although the reactions are not yet efficient enough to operate on a large scalin the lab all the chemical reactions necessary to turn biomass such as corn fiber into biocrude, an intermediate product on the way to gasoline and diesel fuel, he says, although the reactions are not yet efficient enough to operate on a large scale.

The researchers suspect that the presence of orbiting planets may increase convective mixing in the host star, plunging the lithium into its hotter regions where nuclear reactions consume the light element as fuel.

However, its future potential uses are significantly limited by scarcity and cost, as well as the fact that platinum readily binds with carbon monoxide, which «poisons» the desired reactions, for example in polymer electrolyte membrane (PEM) fuel cells, which are the leading contenders for small - scale and mobile power generation not based on batteries or combustion engines.

Platinum is used as a catalyst in fuel cells, in automobile converters and in the chemical industry because of its remarkable ability to facilitate a wide range of chemical reactions.

In the early 2000s, Maria's group had pioneered the single - atom approach for metals anchored on oxide supports as the exclusive active sites for the water - gas shift reaction to upgrade hydrogen streams for fuel cell use.

Long has been exploring MOFs as gas adsorbers for a decade, hoping to use them to capture carbon dioxide emitted from power plants or store hydrogen in hydrogen - fueled vehicles, or to catalyze gas reactions for industry.

And uridine fuels chemical reactions in mitochondria and may boost the cellular communications that control mood and other mental processes.

What's more, the helium nuclei generated during the experimental runs are colliding with fuel in the pellet, sparking further fusion reactions.

These reactions play a huge role in the catalysis - driven creation of common chemical platforms such as methanol, which is produced on the order of 10 million tons per year as raw material for chemicals production and for uses like fuel.

In a first for laser - driven fusion, scientists at a US lab say they have reached a key milestone called fuel gain: they are producing more energy than the fuel absorbed to start the reaction.

Why It Matters: Understanding the molecular - level reactions that produce aqueous nanoparticles ultimately aid in designing better crystals for manufacturers and new catalysts for producing alternative fuels.