Sentences with phrase «fueling chemical reactions»

The uptake is helping to slow climate change, but also fueling chemical reactions that are shifting the pH of seawater toward the acid end of the scale.
And uridine fuels chemical reactions in mitochondria and may boost the cellular communications that control mood and other mental processes.
● There is a lot of energy stored in the bond between the second and third phosphate groups that can be used to fuel chemical reactions.

Not exact matches

The nanowires collect sunlight, much like the light - absorbing layer on a solar panel, and the bacteria use the energy from that sunlight to carry out chemical reactions that turn carbon dioxide into a liquid fuel such as isopropanol.
«He invented biocompatible catalysts» that jump - start the chemical reactions inside the system without killing off the fuel - generating bacteria.
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.
Consumer products also contributed just as much as fuels to chemical reactions that lead to ozone and fine particulate matter.
Fuel cells generate electrical energy through a chemical reaction of hydrogen and oxygen.
A silicon fuel cell, which creates electricity from chemical reactions, has a platinum anode that strips electrons from glucose to create energy.
While displaying this behavior, the bonded platinum nanoparticles maintain an effective surface area functioning as a catalyst for chemical reactions, a discovery that could lower the production costs of platinum - catalyzed fuel cells.
Whereas a battery or a fuel cell creates electricity using chemical reactions, the most basic type of capacitor employs two narrowly separated conductive plates.
The visible range — the violet to red wavelengths — represent the majority of the sun's rays, but there are few materials that pick up these light colors to create the chemical reaction that transforms CO2 into fuel.
[3] As stars age, their nuclear reactions change their chemical make - up — elements that fuel the reactions are depleted and the products ofthe reactions accumulate.
Fischer himself is just beginning to build a toolbox that will help design or improve catalytic reactions, which are the workhorse of the world's chemical industry, responsible for producing everything from fuel to the building blocks of plastics.
This reaction is the enzymatic version of a second significant chemical process — Fischer - Tropsch synthesis of hydrocarbons which can be used on a large scale to synthesize fuels from industrial waste gases, for instance.
Catalysts that drive the oxygen reduction reaction that lets fuel cells turn chemical energy into electricity are usually made of platinum, which stands up to the acidic nature of the cell's charge - carrying electrolyte.
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.
Energy storage devices, such as fuel cells and rechargeable batteries, convert chemical energy into electricity through a chemical reaction.
Nature has split photosynthesis into a light reaction generating electrons and holes from solar energy, and a dark reaction generating the actual «fuels» or chemicals that transport and store this energy.
Noble metals such as platinum are useful as catalysts for versatile chemical reactions including fuel cell vehicles and reduction of CO2 emission.
The breakthrough came with the perfection of a technique that heats fuel to a temperature so hot that the smoking reaction is bypassed, said Bradon Dreyer, a chemical engineering and materials science graduate student at the University of Minnesota.
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.
The muscles are powered thermally by temperature changes, which can be produced electrically, by the absorption of light or by the chemical reaction of fuels.
Metal - air batteries, fuel cells and other energy storage and conversion applications rely on chemical reactions to produce current.
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 scale.
Tests showed their ability to catalyze oxygen reduction, an essential chemical reaction in fuel cells.
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.
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.
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.
But optimizing energy production depends on understanding and perfecting the use of catalysts, which cause chemical reactions that break down the molecules of raw materials like oil to create fuel such as gasoline.
The discovery, reported in Angewandte Chemie International Edition on July 29, is providing new insights into important industrial chemical reactions such as those that occur while making plastics and fuels.
Today, photosynthesis is considered «the most important chemical reaction on earth», providing food for humans and animals, releasing oxygen for them to breathe — and millions of years later, this process provides fossil fuel in the form of oil, coal and natural gas, as Michel likes to point out.
For decades, scientists have been working to harness the energy from sunlight to drive chemical reactions to form fuels such as hydrogen, which provide a way to store solar energy for future use.
The discovery is providing insights into important industrial chemical reactions such as those that occur while making plastics and fuels.
The sun can also drive reactions to create chemical fuels, such as hydrogen, that can in turn power cars, trucks and trains.
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.
«Combustion occurs when fuel combines with oxygen in a chemical reaction that releases heat.»
Tracking the complex chemical reactions that occur when new biofuels made from plants are upgraded to useful fuels like gasoline or diesel fuel.
At the 246th National Meeting & Exposition of the American Chemical Society (ACS), numerous teams from Pacific Northwest National Laboratory shared their progress in understanding the fundamental reactions needed to ease our reliance on fossil fuels.
This reaction — highly desirable as it could convert a prevalent greenhouse gas into fuel — is extremely challenging in part because carbon dioxide is so thermodynamically stable and resistant to chemical reactions.
Tiny ocean microbes produce half of the oxygen we breathe, and they are important drivers in chemical reactions and energy transfers that fuel critical ecological processes.
Collinge is working specifically to improve the Fischer - Tropsch reaction, a process to create chemicals and fuels from carbon monoxide and hydrogen.
The Fischer - Tropsch process is a chemical reaction that uses catalysts to convert two gases, carbon monoxide and hydrogen, to liquid fuels in a simple, one - step process.
If you can make them use the water environment as fuel to catalyze a chemical reaction, then can you make a version that functions to break up water to hydrogen and oxygen for green energy generation without having to add the required energy directly?
4 days of planning, result table for those who need it and PowerPoint activities (all 4 days are on one PowerPoint) Children to investigate a replace fuel source for NASA - looking at chemical reactions and why.
Stabil is not recommended in ethanol blended fuels as it causes a chemical reaction corroding brass in carburetors and speeds up the process at which ethanol mix gas breaks down fuel lines in vehicles made 2006 or older.
Depending on the energy source that causes the chemical reaction, hydrogen can be an emission - free transportation fuel.
A chemical reaction between oxygen and hydrogen produces the electric power, and when the transportation fuel is pure hydrogen, the only resulting emission is water vapor.
A fuel - cell car uses a chemical reaction powered by hydrogen to create electricity for its motor.
The Mirai is powered by a fuel cell which generates electricity from a chemical reaction between atmospheric Hydrogen and Oxygen.
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