atom

Such a substance's chemical formula describes the simplest ratio of the number of atoms of the constituent elements. See also stoichiometry.

In terms of this school of thought, all objects in the physical universe are reducible to a certain number of atoms.

The burst of light is called a photon echo; and its observation proved we have full control over the quantum state of the atoms.

Compound: Any substance composed of identical molecules consisting of atoms of two or more elements.

That is to say, let the material atoms self-assemble and form a complex structure, just like the kind of self-assembly that life shows.

All the matter in the universe is made of atoms and subatomic particles that are ruled by probability, not certainty.

The force between a pair of helium atoms is so weak that helium does not solidify at all.

Normally, we use the word bond to describe the linkage between a particular pair of atoms.

And while you're at it, recognize that randomness is as much a property of the universe as atoms are.

So our body is nothing but a bunch of atoms which developed certain qualities by the virtue of the force carried by them.

It is often depicted as an atomic-scale chicken wire made of carbon atoms and their bonds.

The molecular formula, C6H14, shows nothing but the total number of carbon and hydrogen atoms and hence is seldom used.

Hydrogen and oxygen atoms can vary in how much they weigh.

The shortage of neutrons in U-235 seems to give its atoms a strange sort of instability.

If you were in fact the case that there was an immaterial substance there influencing how the atoms move how on earth would you know?

Paradoxically, wurtzite boron nitride 's hardness appears to come from the flexibility of the bonds between the atoms that make it up.

The heat and light energy from the Sun is due to the fusion of hydrogen atoms at a very high temperature and pressure.

Amorphous refers to a material in which the atoms are arranged almost randomly. soot and glass are examples of such a material.

It is often represented by a single line between the symbols of the two atoms that are bonded together.

It refers to a system state where the energy, the state of every one of those atoms or molecules is specified.

It takes the primary form of a tissue capsule around the auric field and also smaller energy capsules around all of the atoms of the body.

Like the transient form of a whirlpool held upright by a million spinning atoms of water, it can be scattered with a fingertip.

Atoms of 114 disintegrate within a few seconds, while 116 disappears in just a fraction of a second, Moody said.

But the fact that you have atoms and that they assemble in such a willing manner is only part of what got you here.

Mercurian atmosphere is thin enough to be described as an exosphere, meaning the constituent atoms never collide.

this hydrogen came from the bombarded atoms themselves: it was the result of a transmutation .

When a molecule contains two or more atoms of the same kind, a subscript indicates the number present.

The molecules of living things are made, not of two or three atoms, but of hundreds or thousands in different complicated patterns.

It consists of a tiny metal finger with a tip only a few atoms wide that moves back and forth just above the surface of a sample.

Convection within the red giant dredges the new proto-dust atoms from the core up to the surface.

Visible light poses a greater challenge because its short wavelength means the metamaterial atoms have to be very small.

The atoms do not release the energy as kinetic energy but release it in the form of large amounts of electromagnetic radiation.

The bond in which the linkage pair of electrons are provided by one of the bonding atoms.

A laser beam can be made narrow enough to focus on a single cell, on part of a cell, or even on individual atoms and molecules.

Why atoms take this trouble is a bit of a puzzle.

Designers hope the construction of this great expression of the concept of tiny atoms, and show the peaceful uses of atomic human prospects.

Flag to write out the coordinates of the receptor into a new, cleaned-up file. Atoms are resorted to put all residue atoms together.

Treating the stars a bit like atoms in a gas, researchers assumed that they were trapped in the gravitational "well" of the galaxy.

and a spraying opening for spraying the superoxide radicals produced by the air current producer and hydrogen atoms to the head.

The influence of a uniform electric field on the motion and energy of the electrons in atoms is known as the Stark effect.

Amines are basic nitrogenous compounds in which one, two or three atoms of hydrogen in ammonia are replaced by alkyl or aryl groups.

The atoms in a molecule are more or less closely linked together, and energy had to be exerted to make a chemical action take place.

Nuclear power is produced by harnessing the heat produced by the splitting of atoms inside uranium - a process known as fission.

The process stripped protons and neutrons from the bismuth atoms, lowering the atoms' weight to that of gold atoms.

There is no doubt; tequila has the exact proportion of carbon, hydrogen and oxygen atoms necessary to form diamonds.

The sorption among silicon atoms and diamond atoms is occurred due to the surface effect of the single grit.

Some of the air particles, particularly the atoms of the lighter gases, travel fast enough to escape from the air ocean.

Close to absolute zero, some atoms and molecules have been made to form a quantum material called a Bose-Einstein condensate (BEC).

Changing the number of the transitional photons, evolved cycle and evolved intensity the population inversion of two atoms can be changed.

Of all the atoms that could be split, only a few are allowed to actually do it.

However, lattice clocks' use of many atoms simultaneously, with a strong combined signal, appears to give these clocks the ultimate edge.

Chris Anderson of Wired Magazine pointed this out in a smart essay in February's issue, entitled "Atoms Are the New Bits. "

What was happening was this: in its pure state of repeating units of one titanium and two oxygen atoms, titanium dioxide is a semiconductor.

Instead, they were merely shuffling between different atoms at the surface.

Due to the confinement of the tube wall, filling more atoms only leads the Au nanowire to grow along the axis direction of the SWCNT.

But excited atoms do not remain excited indefinitely: their natural tendency is to drop back to the lower-energy state.

In NMR Six Miles Deep Bob Kleinberg explains how the nuclei of some atoms can be made to line up with a magnetic field.

Researchers have found a way to produce large amounts of electricity from tiny cylinders made from carbon atoms.

The nebulae, he said, were clouds of atoms and dust. They were not hot enough -- like stars-- to give off light.

It is shown that the interaction among the magnetic centers is reduced with an increase in electronegativity of atoms in terminal ligands.

The only difference between the various oils is in the numbers of atoms of carbon and hydrogen and how they are combined together.

Purine: Any of a class of heterocyclic compounds with a two-ring structure composed of carbon and nitrogen atoms.

Temperatures in the parts of the solar atmosphere are high enough to decompose nearly all molecules into atoms.

Since no one has been able to make these types of measurements on antimatter atoms at all, it's a good start.

The formula of a compound gives information about the kinds and numbers of atoms that make up each molecule of that compound.

According to quantum mechanics, electrons don't have well-defined orbits around atoms, as the planets do around the sun.

The quantum information Fidelity of two entangled-atoms interacting with coherent state light-field is studied by means of quantum theory.

When atoms were first proved to exist (and that was a mere century ago), they were thought to be made only of electrons and protons.

Atoms are held together by the electrical forces of attraction between each negative electron and a positive protons within the nucleus.

Next Alberto describes Democritus and the theory of indivisible atoms underlying all of nature as well as the concept of fate.

It destabilizes the mass and electrical equilibrium of the gas atoms, bringing them into a critical state for energy utilization.

Velocity-distribution data confirming the discovery of a new phase of matter, the Bose-Einstein condensate, out of a gas of rubidium atoms.

Drag him down, and crush him to atoms, that the place which knows him may know him no more!

One particularly beautiful example of this trend was the achievement of a Bose-Einstein condensate (BEC) of atoms in 1995.

Dr Steinhauer and his colleagues created a condensate out of a gas of rubidium atoms held in a magnetic trap.

As the sun burns, the hydrogen in its core converts to helium by fusion, a process through which the nuclei of atoms meld together.

Whether or not atoms make life in other corners of the universe, they make plenty else; indeed, they make everything else.

The tests lofted radioactive atoms high into the atmosphere, where air currents caught the atoms and then dispersed them around the planet.

Although it is rigid, and thus like a solid, the atoms are arranged in a random disordered fashion, characteristic of a liquid.

These same 100 atoms form thousands of different substances ranging from the air we breathe to the metal used to support tall buildings.

We must recall that this reaction involves not just the encounter of two molecules and constituent atoms.

Sometimes it takes a simple change in the orientation of certain atoms to transform a cure into a monster.

Many creatures use differences in the concentration of ions (electrically charged atoms) within the body to do work.

The mosaic includes image data taken through a narrow filter that transmits only the red light of hydrogen atoms.

Molecules are generated by an iterative growing procedure in which atoms are added to existing fragments.

Most dark matter is believed to be in the form of subatomic particles that don't interact with regular atoms.

Elements consist of atoms that consist of a nucleus of positive protons, neutral neutrons, and a shell of electrons.

This shows that the EAM potential parameters of copper in LAMMPS can be a very good description of the interaction between copper atoms.

Chemistry Characterized or formed by replacement of two atoms or radicals within a molecule. Used of a compound.

An increased ADC value indicates that the helium atoms were able to travel farther during the measurement time.

The atoms of one element differ in structure from those of every other element .

Another team, ASACUSA, is studying exotic helium atoms in which one electron is replaced by an antiproton.

At zero intensity, the last glimmer of the light vanishes into the atoms, and the polariton comes to a dead stop.

Now , there's another fatty acid , capric acid, which is just like the other two, except that it has two more carbon atoms .

We're going to move now from the biological and the macroscopic world, down into the atomic world, as we fly into a lattice of atoms.

atoms having an identical number of protons in each nucleus. Elements cannot be reduced to simpler substances by normal chemical means.

They reside in the interconnections between the carbon atoms, or at least arise because of the interconnections between the carbon atoms.

Since analyte atoms are excited by the heat of the flame, no special elemental lamps to shine into the flame are needed.

A clouds of electrons, ions, and atoms burst out through the corona into space lighting it up like a Catherine Wheel.

Previously, scientists have studied this effect and its amazing properties, using atomic ensembles with hundreds of thousands of atoms.

Under some conditions light and atoms may act as if they were waves.

The oxygen atoms produce the blue-green hue that seems to enshroud the detailed folds and filaments.

Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent bond.

The Greek Epicureans, a school of radical philosophers who figured out there must be atoms, had an unusual theory of vision.

When constrained within the laser trap, the atoms are bunched close together, mimicking the neutron degenerate pressure of a neutron star.

Just like with atoms, you can de-reference and print the values after the execution of the function and see that the values have changed.

In this process, the atoms of a certain substance, such as a crystal or a gas, are excited in such a way that they produce coherent light.

Metals are composed of crystals that have their atoms lined up in neat rows.

On the surface of the cloud, these by-products react with each other and release "aggressive" chlorine atoms that attack ozone molecules.

Methane, four atoms of hydrogen bound to a carbon atom, is the main component of natural gas on Earth.

A window station is a secure object that contains a Clipboard, a set of global atoms, and a group of desktop objects.

a chemical bond that involves sharing a pair of electrons between atoms in a molecule.

IBM is working on technology that will store data in individual atoms and build circuits out of a single molecule.

So far, scientists have found three different ways for atoms or molecules to reach such an escape velocity.

It should be noted that both atoms and refs also support this kind of semantics, where a function is passed and used to update the state.

If the film gets too thin, the diffuse charge clouds overlap and repel, just as two neutral atoms do when their electron clouds interact.

Seemingly without prejudice, carbon atoms will combine with almost any other element to form the more complicated building blocks of life.

He accepted the possibility that gases which were known to him did not consist of separate atoms.

Too many atoms of the wrong sort, though, can be equally bad, interfering with a transistor's conductivity.

The molecular formula, C6H14, does not show anything except the total number of carbon and hydrogen atoms.

In the case of atoms, information is represented by nudging electrons to different energy states, often by exciting them with a laser.

One of the hydrogen atoms of the active methylene group is replaced with a cyclooxy group .

These neutral atoms have no electric charge, and are therefore very difficult to get to interact with one another.

As circuits shrink, however, it's getting harder to put the atoms, particularly the dopant atoms, in exactly the right places.

So we have to cancel all other light sources to see this very, very dim light from the atoms.

An alternative condition is that the total motion of any atom is reproduced after every N atoms.

In experiments carried out so far, the BEC atoms are at least tens of microns from the chip surface.

During the complete repose of the mind, these atoms are motionless, they are, so to speak, hooked to the wall. . .

During the trip, the atomic states of the atoms might or might not be altered as they interact with the microwave signal.

So at those deep oceanic vents, fantastic chemistry began to happen, and atoms combined in all sorts of exotic combinations.

In the center of a star, there's so much energy, that any atoms that combine will just get busted apart again.

Governments spend billions of dollars on huge particle accelerators to understand the inner workings of atoms.

The technique used to split the planes of atoms is called micromechanical cleavage.

The entanglement dynamics of two partially entangled two-level atoms interacting with a single mode vacuum field is investigated.

Ozone is a gas molecule made up of three oxygen atoms best known for shielding the earth from the sun's dangerous ultraviolet rays.

Since each atom is represented in a separated row, indices can help speed up the search for specific atoms within a given PDBML entry.

However, an increase of squeezing factor of light strengthen the degree of entanglement between the atoms and the light field.

Now, oxygen that's already there on the surface will react to those hydrogen atoms, and that's how they think the water is there.

The atoms themselves are firmly held in place in the crystal structure of a metal.

Sulfur atoms are also found bound with iron in ferredoxin , one of the components of the electron transport chain in photosynthesis.

The present invention provides a thin film transistor in which aluminum atoms are unlikely to be diffused to an oxide semiconductor layer.

The four large spheres represent oxygen atoms, and the dark one represents a silicon atom.

Buckyballs, as they became known colloquially, are football-shaped molecules made of 60 carbon atoms linked by single and double bonds.

The sound that you're hearing are the actual emission spectrums of these atoms.

a halocarbon in which some hydrogen atoms have been replaced by fluorine; used in refrigerators and aerosols.

Any of a CLASS of monosaccharides having five carbon atoms per molecule and including ribose and several other sugars.

It is evidently to mobilize certain of these atoms, to unhook them from the wall and put them in swing.

It would take as many human bodies to make up the sun as there are atoms in each of us .

Cellphones emit non-ionizing radiation, which has enough energy to cause atoms in a molecule to vibrate, but not enough to remove electrons.

resonance of electrons or atoms or molecules or nuclei to radiation frequencies as a result of space quantization in a magnetic field.

A higher temperature flame than atomic absorption spectroscopy (AA) is typically used to produce excitation of analyte atoms.

Ions and high frequency electromagnetic radiation from the sun are responsible for dislodging the atoms in the exosphere.

It would be all atoms pulsating in unison, emitting light of one color, one frequency.

In school, you probably learned that materials like wood, glass, and water are made of atoms that stick together to make molecules.

Already we have learned to split atoms in such a way as to obtain huge amount of energy.

When you take that and you bring many atoms together, all of those energies broaden out into a band of possible energies.

The amount of the polyhydric alcohol having 4 or more carbon atoms contained in the gold plating liquid is usually 10-90% by weight.

They tinkered with a particular type of silicon whose surface is covered with dumbbell-shaped pairs of atoms called dimers.

Atoms are the smallest possible part of any material.

These clocks depend on electricity and the vibrations of the atoms of a quartz crystal, and are very complicated.

The law of multiple proportions has insisted on the fundamental character of the combining ratio for different atoms .

The system can be used to investigate the momentum distribution of electrons in atoms.

That water signature is in the form of oxygen isotopes, atoms of oxygen with different numbers of neutrons.

Many creatures use differences in the concentration of ions (electically charged atoms) within the body to do work.

Two or more atoms behaving or regarded as behaving as a single chemical unit.

But even the larger molecules with several hundred atoms are too small to be seen with the best optical microscope.

The process in which substances are converted to their constituent atoms is called "cracking" .

The biological activity would also increase when using chlorine or bromine atoms to replace para position of the side chain.

Because of the iron atoms, ferritin molecules are able to scatter a beam of electrons and thus can be visualized in electron microscope.

diazo: Relating to or containing a pair of bonded nitrogen atoms, one of which is also bonded to an aromatic hydrocarbon.

In other words, if I had all different atoms, so I could label them all, then I don't have that correction.

It gives a conclusion that the ADK model can be given better results for ion production of heavy atoms (or ions) than ones of the BSI model.

Oxidation : A reaction in which the atoms in an element lose electrons and the valence of the element is correspondingly increased .

In this paper, the entanglement dynamics of two two-level atoms interacting with a single mode vacuum field is investigated.

For the last 100 years, they have done that mostly by making and breaking the strong covalent bonds that form when atoms share electrons.

Anti- bunching effect of the field in the system of two coupling two- level- atoms interacting with coherent state field .

To do that, they relied on a technique that used a magnetically sensitive cloud of atoms and a laser.

But between interactions with atoms, it is still traveling at 186, 000 miles per second (300 million meters per second), he said.

The tiniest speck of dust that you could see under an ordinary microscope would still contain about ten billion atoms!

The study of the insides of atoms, or of atomic nuclei, is called nuclear science, or nucleonics .

Today roughly half the nitrogen atoms in an average human body have come through an ammonium factory.

Electromagnetic radiation used to raise atoms or molecules to a higher energy level.

All this happened inside a magnetic bottle that traps the antihydrogen atoms.

The framework titanium atoms and their coordination state can be characterized by spectroscopic technologies and the molecular simulation.

therefore living thing is a result of particular variable amount of atoms & correlating force or forces to it.

When these X-rays go into the material, they knock a neutron off of a small fraction of the atoms in the material.

Atoms of a row are comfortable in each trough between the atoms of the neighbouring row.

An essential element of a MOT is an array of six laser beams that bathe the atoms on all sides and from above and below.

The theory can be generalized to deal with many-electron atoms, diatomic molecules, and artificial atoms and diatomic molecule.

This is the first time that the positions of atoms both at the beginning and the end of a chemical process have been seen.

Considered individually, these atoms are so small that they can be seen only with the aid of a powerful microscope, if at all.

When atomic particles enter atoms to make new, more complex atoms, the process is called "fusion. "

In the Duke experiment, the lithium-6 atoms are cooled so much, thermal motion of the individual atoms in the gas are at a bare minimum.

Atoms of silver may have been part of that migration.

Serge Haroche takes the opposite approach: he controls and measures trapped photons, or particles of light, by sending atoms through a trap.

Solar cells work because visible and ultraviolet light are powerful enough to knock electrons free from atoms.

As they report in this week's Nature, they have characterised the properties of a recently discovered element using two atoms.

A polymer in which the repeating unit contains two carbon atoms linked by an oxygen atom.

Moreover, since the atoms are in random thermal motion the frequency spectrum will be altered by the Doppler effect.

It does this because heating cerium oxide drives oxygen atoms out of its crystal lattice.

That shrinkage, combined with the speed of expansion after the laser turned off, indicated that the lithium atoms had become magnetic.

Only the heartache that alone a cry of atoms, trembling a always reluctant to put deplore the fairy tale.

A thread can be imagined to pass through odd rings (rings containing an odd number of atoms) without passing through even rings.

Principle of laser cooling and trapping of atoms as well as techniques used in laser cooling and trapping are described.

Chemists have long known that atoms in a molecule vibrate at a particular frequency, depending on their overall molecular structure.

And to the cosmologist, these galaxies are just the atoms, as it were, of the large-scale universe.

Quantum mechanics showed classical mechanics to be incorrect for describing the internal motions within atoms.

Furthermore, the stronger the trap (the more tightly the atoms are squeezed into a small volume), the faster and more efficient the cooling.

Nuclear astrophysics is a fascinating discipline, and enables connections to be made between atoms, stars, and human beings.

Chemical element is the general term for the same type of atoms with the same mass number.

Besides, Palladium as active catalyst gets higher efficiency with a configuration of clusters in the range of several atoms.

It has developed better techniques for cooling both positrons and antiprotons, which should allow it to trap more anti-atoms.

It's just a handful of hydrogen atoms held snugly by carbon and oxygen.

Small as they are, atoms are made up of still smaller units known as "subatomic particles" .

In fact. atoms are so small that it's impossible to see one with any ordinary microscope.

And those properties of softness and hardness and darkness and clearness do not reside in the carbon atoms.

The key to the system is the bond between the wheel and its hub, which is a double bond formed between two carbon atoms.

Instead, the solar wind and the sun's UV radiation give an electric charge to atoms and particles in Mars outer atmosphere.

is calculated in practice by summing the atomic weights of the atoms making up the substance's molecular formula.

Once you enter bliss or ecstasy you become aware of the space between the atoms of your body and your environment.

A body that contains only atoms with the same general properties is called an element.

4 To determine those weights, scientists had passed currents through various solutions to break them up into their constituent atoms.

Some physical properties of crystalline materials presented anisotropic characteristics due to long-term orderly arrangement of atoms.

This explains why alpha-emitting atoms are not dangerous outside of the body; the radiation coming from them doesn't even enter the body.

The active ozone is a slightly ionic form of a bent array of oxygen atoms .

At decreased values, endohedral atoms stabilize the clusters, and with the lowest values, only clusters exist with no ligand shell.

In their study of rocks and minerals geologists apply chemical and physical concepts of atoms, molecules and crystals.

The delay should not be as long for spacetime atoms.

By turning the control beam on this second cloud, the added atoms are encouraged to spread their 'message' throughout the whole cloud.

The atoms on the surface of silicon clusters often form space pentagon structure.

In a second experiment, the team measured the effects of relativity on the time-keeping aluminum atoms inside the clocks.

Swedish man has been arrested after attempting to split atoms in his kitchen, claiming that he was only doing it as a "hobby" .

Atoms are so small that it's impossible to see one with the naked eye.

Every time one of those atoms breaks apart, it releases a little heat.

Metal atoms, being strong electron donors, do not bond by either ionic or covalent processes.

The most frequently detected chemical compound is water (HOH) with oxygen (O) as one of its atoms.

The antihydrogen atoms are composed of a positron (an antimatter electron) orbiting an antiproton nucleus.

Recently, very fuzzy pictures of heavy atoms have been made with the use of a specially designed electron microscope.

The detectors duly observed 38 bursts of energy which the team concluded came from antihydrogen atoms hitting the wall of the trap.

Usually, their processors encode information into either individual atoms or molecules made up of two atoms.

The heat from the Big Bang literally melted the nuclear matter of atoms, releasing the particles inside (like gluons and quarks).

So far such small light-bending atoms have only been produced on flat, hard surfaces unsuitable for use in clothing.

The sun's surface erupted early Sunday, blasting - tons of plasma (ionized atoms) into space.

To raise(atoms or molecules) to a higher energy level by exposing them to electromagnetic radiation at a resonant frequency.

We must further remember that a molecule does not mean only a pair of united gas atoms.

The researchers used a custom-built microscope with an iron-coated tip to manipulate cobalt atoms on a plate of manganese.

Some of this energy congealed into particles, which assembled into light atoms like hydrogen and helium.

Decades ago, physiologists discovered that during metabolism, oxygen (O2) can split into single oxygen atoms, known as free radicals.

The thermochemical polishing technology based on the diffusion of carbon atoms has good prospect due to its superior properties, e.

A pair of electrons shared between two atoms in a covalent bond.