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.