Sentences with phrase «between hydrogen»

I may try to create link between the hydrogen aspects which run through many of these.

By studying the interactions between hydrogen and the material's structure at the temperatures of the gas» release, the scientists found that aluminum diffusion within the metal hydride's structure was the key step in the titanium's catalyzing reaction.

But when their temperature is lowered and they form a water molecule, the symmetry of the individual atoms is broken as they form a molecule with 105 degrees between the hydrogen - oxygen bonds.

«At present the best balance between hydrogen and heat pumps, alongside heat networks, is unknown.

For more on the relationship between hydrogen sulfide and inflammatory bowel disease, see my video Preventing Ulcerative Colitis with Diet.

These stars fall into two clear groups, allowing us to distinguish unambiguously between hydrogen - shell - burning stars (period spacing mostly about 50 seconds) and those that are also burning helium (period spacing about 100 to 300 seconds).

As shown in our additional, composite image, part of the evidence for this heating process comes from the similarity in location between the hydrogen and X-ray emission, both thought to be caused by shocks, and the radio jets.

The extremely high temperatures — hundreds of millions of degrees Celsius — cause fusion to occur between hydrogen atoms in the plasma, releasing tons of energy.

The researchers discovered that the unique manner in which the platinum and nickel atoms arrange themselves on the surfaces of these particles serves to optimally accelerate the chemical reaction between hydrogen and oxygen to form water.

New work from Carnegie's Ivan Naumov and Russell Hemley delves into the chemistry underlying some surprising recent observations about hydrogen, and reveals remarkable parallels between hydrogen and graphene under extreme pressures.

A major challenge was distinguishing between hydrogen peroxide and water, which exhibit similar behavior in chemiresistors.

This reveals the subtle balance between hydrogen bonding and the adhesion imparted by such polyphenolic compound.

Meyer, based at Grove City in Ohio, says that these electrically polarised conditions strain and break the covalent chemical bond between hydrogen and oxygen, liberating the two gases.

Any discrepancies between hydrogen and antihydrogen might help explain why matter won out over antimatter in our observable universe.

The electron beam heats the plasma ball, igniting fusion reactions between the hydrogen and boron; these reactions pump more heat and charged particles into the plasma.

Such interactions are dependent on chemical bonds between hydrogen atoms.

The team thinks one reason their technique is so efficient is that a chemical reaction between the hydrogen plasma and air molecules in the chamber's atmosphere generates cyano radicals — carbon - nitrogen molecules that have been stripped of their electrons.

At altitudes above 50 kilometers, ultraviolet light from the sun easily penetrates the Red Planet's thin atmosphere and breaks down water's chemical bonds between hydrogen and oxygen.

The new reaction reveals intimate details of the reaction between hydrogen and nitrogen that could eventually lead to low - temperature ways to make ammonia, says Christopher Cummins of the Massachusetts Institute of Technology in Cambridge.

At this temperature, the pressure in the reactor reaches 34 atmospheres, helping to break down the bonds between the hydrogen and carbon atoms in the polymer chains.

Like water, it is held together by the powerful bonds between hydrogen and oxygen atoms, so ethanol can not travel through most petroleum pipelines.

Not exact matches

«With equity markets tumbling, escalating tensions between a Saudi - led Sunni bloc against Iran, ongoing hostilities in Syria, North Korea testing what it claims to be a hydrogen bomb, the once precious yellow metal is looking perky,» BBH strategists led by Marc Chandler said in a note on Thursday.

The rally proves that gold still retains its status as a safe haven among investors, who were motivated by a rocky Chinese stock market, North Korea's announcement that it detonated a hydrogen bomb last Wednesday and rising tensions between Saudi Arabia and Iran.

What has happened in between a universe of hydrogen and us?

It probably also depends on the reaction of China, which is probably not very happy about NK with hydrogen bombs but also not about the prospect of a war between NK and others.

Hydrogen Energy, a joint venture between BP and Rio Tinto, has proposed a new hydrogen - powered electricity generating facility for the Kern County area that would capture and sequester (store) most of its carbon related emHydrogen Energy, a joint venture between BP and Rio Tinto, has proposed a new hydrogen - powered electricity generating facility for the Kern County area that would capture and sequester (store) most of its carbon related emhydrogen - powered electricity generating facility for the Kern County area that would capture and sequester (store) most of its carbon related emissions.

More accurate distances between the most common type of «planetary nebulae» and the Earth can be estimated simply with three sets of data: firstly, the size of the object on the sky taken from the latest high resolution surveys; secondly, an accurate measurement of how bright the object is in the red hydrogen - alpha emission line; and thirdly, an estimate of the dimming toward the nebula caused by so called interstellar - reddening.

This is the first time a widespread geochemical difference in hydrogen abundance between PFS and EFS on the moon has been detected.

The substance, which consists of a fluid of hydrogen ions running through a lattice of oxygen, was formed by compressing water between two diamonds and then zapping it with a laser.

There are basically two types of lines, those produced by collisions between the atoms or ions and the electrons in the surrounding gas, which are called collision lines, and which are very bright for elements such as oxygen, nitrogen and neon, and lines which are produced when ions capture free electrons, which are called recombination lines, and which are bright only for those gases with the highest abundances in the interstellar medium: hydrogen and helium.

If the polymers can release that hydrogen on demand — a feat not yet shown — they could lead to plastic gas tanks that carry cars hundreds of kilometers between fill ups.

The reaction rate between atmospheric hydrogen chloride (HCl) and chlorine nitrate (ClONO2) is greatly enhanced in the presence of ice particles; HCl dissolves readily into ice, and the collisional reaction probability for ClONO2 on the surface of ice with HCl in the mole fraction range from ∼ 0.003 to 0.010 is in the range from ∼ 0.05 to 0.1 for temperatures near 200 K. Chlorine (Cl2) is released into the gas phase on a time scale of at most a few milliseconds, whereas nitric acid (HNO3), the other product, remains in the condensed phase.

After all, particle accelerator searches over the last two decades had narrowed the range of possible masses for the Higgs; if it existed at all, it had to weigh in at between 114 billion and 143 billion electron volts or GeV (1 GeV is slightly more than the mass of a hydrogen atom).

When the team applied the technique to a sample of the organic molecule PTCDA, not only did the molecules show up in intricate detail, an electrical signal was also detected between them (coloured green below), at exactly the locations where hydrogen bonds are present (Journal of the American Chemical Society, DOI: 10.1021 / ja104332t).

Regardless of the ability of the vents to function appropriately, one clear difference exists between the operation of such boiling - water reactors in the U.S. versus those in Japan — in the U.S., reactor operators have the authority to vent radioactive steam or hydrogen gas as conditions warrant.

A main advantage to the catalysts, which oxidize bonds between carbon and hydrogen, is that they preserve the amino acid's sense of chirality.

Although the gravitational waves are incredibly weak — only enough to warp the distance between Earth and the Sun by the width of a hydrogen atom — LIGO's instruments are extremely sensitive.

Two mechanisms have been proposed to explain the interaction between molecular hydrogen and cerium oxide.

Now, Jeffrey Hangst, an experimental physicist at Aarhus University in Denmark, and his 48 colleagues at the ALPHA collaboration at CERN have precisely measured the energy difference between antihydrogen's lowest energy state, called the 1S, and a higher energy state known as the 2S, by far the most precisely measured transition in ordinary hydrogen.

This teamwork was essential to providing a deeper understanding of the interaction between molecular hydrogen and cerium oxide - based catalysts.

To their surprise, the ice bubbled like boiling water at temperatures between -210 C / -346 F and -120 C / -184 F. Analysis of the gas showed it to be hydrogen molecules, which the researchers believe were formed from methanol and ammonia broken up by UV irradiation.

In a paper published in Geophysical Research Letters, researchers found that interactions between methane, carbon dioxide and hydrogen in the early Martian atmosphere may have created warm periods when the planet could support liquid water on the surface.

They found that the two factors qualifying a material as a good catalyst are its hydrogen adsorption energy and the Lewis pair's hardness — a measurement of the difference between its ionization potential and electron affinity.

Even the smallest changes in the ratio between iron and nickel by varying the synthesis conditions or the ageing of the material considerably changed the activity in the electrochemical hydrogen formation.

The zirconium sapped the loyalty of the electrons bonding the nitrogen pairs, weakening the link between the two atoms and letting hydrogen weasel in and latch onto the nitrogen.

He has spent his career focused on just one bond, a link between a carbon and a hydrogen atom in a molecule of methane, the main component of natural gas.

Hydrogen production using this material is enhanced not only by the broader spectrum of light absorption, but by the more efficient electron conduction, caused by the unique interface between two dimensional materials of BP and LTO.

Between here and the moon, about a quarter - million miles away, there's virtually nothing — just stray hydrogen, helium and the odd dust particle.

They make good fuels because the energy stored in the bonds between carbon and hydrogen is abundant and easy to release in combustion with oxygen.

But its intended partner, the fluorine atom, is almost always hidden behind an argon atom, so the hydrogen has to form a linear molecule with argon in between: HArF.