Sentences with phrase «than carbon atoms»

You said, «What if we build cells with nitrogen atoms rather than carbon atoms?
What if we build cells with nitrogen atoms rather than carbon atoms?

Not exact matches

A value for Hoyle state 2 % higher than the measured value would prevent the formation of carbon.5 A value 2 % lower than the measured value would produce lots of carbon, but no oxygen.5 Both are essential atoms for life.
There are far more atoms involved than carbon and nitrogen.
Krissansen - Totton explains in more detail: «Having methane and carbon dioxide together is unusual, because carbon dioxide is carbon's most oxidized state, and methane (composed of a carbon atom linked to four hydrogen atoms rather than any oxygen at all) is its least,» he says.
Now researchers have isolated a fullerene with just 36 carbons atoms, making it the first member of the family to have fewer than 60 carbons.
From coal, soot and pencils to electronics, nanoribbons and atom - thick semiconductors — carbon is turning out to be even more talented than we thought
The scientists prepared the molecules so that the temperature — judged by the probability of an atom's nucleus being found in a higher energy state — was greater for the hydrogen nucleus than for the carbon.
This material, in which carbon substitutes for some of the lattice oxygen atoms, absorbs light at wavelengths below 535 nanometers and has a lower band - gap energy than rutile (2.32 versus 3.00 electron volts).
While Boyd took the call, he unintentionally let a copper foil heat for longer than usual before exposing it to methane vapor, which provides the carbon atoms needed for graphene growth.
This results in defects in the lattice structure: some few carbon atoms — fewer than 1 % — separate from the lattice and are replaced with nitrogen atoms, which bring along additional electrons.
A plant, for example, is much better at capturing and routing solar energy through itself than an unstructured heap of carbon atoms.
GNA (glycol nucleic acid) is even simpler than TNA, with just three carbon atoms in its backbone, yet can still form helical molecules, much like DNA (The Journal of Organic Chemistry, DOI: 10.1021 / jo201469b).
Then in 1991, while studying the unique atomic structures called buckyballs, which are created by electrically charging carbon soot, Sumio Iijima of Meijo University in Nagoya, Japan, discovered the first nanotubes — fantastically strong cylindrical carbon - atom constructions less than two nanometers wide and of varying lengths.
Rather than a flat sheet of hexagonal carbon atoms, LIG is a foam of graphene sheets with one edge attached to the underlying surface and chemically active edges exposed to the air.
He works with graphene, a stronger - than - steel infinitesimally thin lattice of tightly packed carbon atoms, and carbon nanotubes — sheets of graphene rolled into hollow tubes with walls that are just one atom thick.
MCMH (C8H16O) is a much bigger molecule than methanol (with eight carbon atoms at its center versus the one in CH3OH) and breaks down in different ways.
Graphene, a single - atom - thick sheet of carbon, is stronger than steel and as stiff as diamond.
One of the legs, however, is longer than the others and contains a chain of three carbon atoms, each with at least one protruding hydrogen.
Carbon fibres are made up of strands of carbon atoms and have greater strength than steel despite being significantly lighter in weight.
Neutrons are more sensitive to light atoms like hydrogen and carbon than x-rays.
«The forces measured for nitrogen atoms are greater than for a carbon atom,» explains Dr. Shigeki Kawai, lead author of the study and former postdoc in Meyer's team.
Fatty acids can be put into three categories based on the molecular length of carbon atoms connected to hydrogen atoms: short - chain that have less than 6 carbon atoms, medium - chain that have between 6 - 12 carbon atoms and long - chain that have between 13 - 21 carbon atoms.
8 % of which is saturated fat — this kind of fat has no double bonds between the carbon atoms, making it harder to break the molecule (this means it is harder to «burn off» saturated fat — so you will need to workout harder or longer than you would to «burn off» the same amount of unsaturated fat).
It is more conductive than copper and it only has a layer of carbon one - atom thick.
Since carbon has heavier atom than the hydrogen atom (about 12 times heavier) the bulk of the gasoline mass is carbon.
There are a lot more carbon atoms in the form of CO2 in the atmosphere than in black carbon.
The technique eventually paid off and the atom was identified as nothing more than carbon.
But many molecules have more than two atomscarbon dioxide, for instance, is triatomic, consisting of a carbon molecule linked to two oxygen molecules — one on each arm, as it were.
As with petroleum, some energy is required to separate the molecule into separate atoms, but the energy is more than returned when the carbon and hydrogen burn to form carbon dioxide and water vapor respectively.
The mass of CO2emitted, some 33 billion tonnes in 2011, is more than twice the mass of all of the fossil fuel produced in that year, a little under 15 billion tonnes (we have to sequester two atoms of oxygen with every atom of carbon).
If so, then you either disagree with the theory of combustion, that is, one atom of carbon burned in an excess of oxygen produces one molecule of CO2, or you believe there is some sort of vast conspirousy to make people think that much more fossil fuel has been burned than actually has been.
C3 plants — which include more than 95 percent of the plant species on earth, including trees — form molecules of three carbon atoms during photosynthesis, and they tend to photosynthesize more as atmospheric CO2 rises.
Accelerating a CO2 molecule to escape velocity (15 km / s), even with 100 % efficiency, requires far energy more than the energy released burning one carbon atom and even the associated hydrogen atoms.
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