Sentences with phrase «when hydrogen gas»

Hydrogen SIBO occurs when hydrogen gas is released from bacteria in the small intestines, while the methane form happens when a different kind of organism — archaea — produce methane.
When hydrogen gas is heated by the ultraviolet emissions of new stars, it produces a spectral signature called the Lyman - alpha line.
But the Colorado researchers found that when hydrogen gas flows over carbon nanotubes, the tubes soak up the gas like sponges.

Not exact matches

Hydrogen, which can be produced from natural gas through Steam Methane Reforming - at which point the carbon needs to be captured - is the ultimate green gas: it emits no carbon when combusted.
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.
BOSTON — Hydrogen gas is a tantalizing fuel source because it generates only water when burned.
But Rothenberger and others at the meeting emphasized that a viable hydrogen storage material would have to give up the gas when it is needed.
When Kanzius placed salt water in the path of the waves, however, the water broke apart into oxygen and hydrogen, a flammable gas.
The SINTEF scientists believe that the method will also be suitable for capturing CO2 when hydrogen is separated out of natural gas, as well as in cement, iron and steel production (see Fact - box 1).
Hydrogen gas is a promising alternative energy source to overcome our reliance on carbon - based fuels, and has the benefit of producing only water when it is reacted with oxygen.
Another idea is that they form when a blob of hydrogen and helium gas collapses under its own weight, skipping the creation of a solid core entirely.
Natural gas blended with renewable hydrogen also produces less emissions than regular natural gas when used at a power plant or as a transport fuel.
When they grew to about 10 times the mass of Earth, their gravity pulled in gas from their birth cloud, giving them thick atmospheres made mainly of hydrogen around their solid cores.
Previously, researchers have produced hydrogen gas in microbial - powered, batterylike fuel cells, but only when they supplemented the energy produced by the bacteria with electrical energy from external sources — such as that obtained from renewable sources or burning fossil fuels, says Bruce Logan, an environmental engineer at Pennsylvania State University, University Park.
When the hydrogen peroxide washes over flecks of platinum embedded within the octobot, the resulting chemical reaction produces gas that inflates and flexes the robot's arms.
Hydrogen atoms are formed in such devices only when electrons flow into a fluid where they can combine with hydrogen ions; those atoms in turn combine with each other to create hydroHydrogen atoms are formed in such devices only when electrons flow into a fluid where they can combine with hydrogen ions; those atoms in turn combine with each other to create hydrohydrogen ions; those atoms in turn combine with each other to create hydrogenhydrogen gas.
«Not only did we detect radio signals emitted by distant galaxies when the Universe was three billion years younger, but their gas reservoirs turned out to be unexpectedly large, about 10 times larger than the mass of hydrogen in our Milky Way.
«The previous record - holder was seen in the middle of the epoch when starlight from primordial galaxies was beginning to heat and lift a fog of cold, hydrogen gas,» explains co-author Rychard Bouwens from the University of Leiden, the Netherlands.
Observations of the galaxies are indirect in that a number - count decreases when neutral hydrogen gas obscures their light.
For instance, when particles from uranium bump into water, they can create hydrogen gas, hydrogen peroxide, and oxygen.
In addition, without water as a coolant, they do not produce explosive hydrogen gas when they overheat.
Focus fusion is initiated when a pulse of electricity is discharged through a hydrogen - boron gas across two nesting cylindrical electrodes, transforming the gas into a thin sheath of hot, electrically conducting plasma.
The cosmos as we know it started to take shape when atoms and ions paired up to form molecular hydrogen, which expelled heat out of the gas clouds, allowing them to cool down enough to form the first stars.
When carbon dioxide gas entered the mix, the gas molecules broke hydrogen bonds in the water molecules, making the ice more brittle.
Then the task force followed with a dozen major recommendations, some of which would order nuclear plant operators to strengthen defenses against extreme flooding or earthquakes when necessary and to harden vents that would carry away explosive hydrogen gas from damaged reactor cores in the two types of reactors at the Fukushima Daiichi plant.
Not only can they hide from mackerel amongst the jellies» stinger - covered tentacles when they rise from the seafloor to feed and digest at night, they can also survive for hours within the ocean floor's low - or no - oxygen muds, which are pervaded by poisonous hydrogen sulfide gas — an inhospitable place lacking any other vertebrate species.
The Calabash nebula (bottom left), illustrates what happens when high - speed winds of stellar gas (yellow) create shock waves as they ram into clouds of interstellar hydrogen and nitrogen (blue).
Therefore, high - resolution follow - up optical observations were performed by the Hubble Space Telescope to reveal «beads on a string» at the center of SpARCS1049 +56 which occur when, similar to a necklace, clumps of new star formation appear strung out like beads on filaments of hydrogen gas.
But in December 2012, when the ice moon was at its farthest point from the gas giant, they caught a pair of plumes bearing clear signs of oxygen and hydrogen — the components of water vapor — shooting from near the southern pole.
When the star's ultraviolet radiation strikes the gases in the nebula, they heat up, giving out radiation ranging in wavelength from blue — emitted by hot oxygen in the bubble near the star — to yellow — emitted by hot hydrogen and nitrogen.
Statistical arguments must be used in many cases, but the velocities of the gas, when compared with the velocities found for stars and those anticipated on the basis of the dynamics of the Galaxy, provide useful clues as to the location of the different sources of hydrogen radio emission.
Another idea is that gas planets form when a blob of hydrogen and helium gas collapses under its own weight.
H. Bond (STSci), R. Ciardullo (PSU), WFPC2, HST, NASA HD 147513 B is a young white dwarf (a remnant stellar core which enriched its binary companion, Star A) with elements heavier than hydrogen when it cast off its outer gas layers) like planetary nebula NGC 2440.
Unlike the two slightly closer quasars that were also found in April 2001, however, the emission absorption impact of neutral hydrogen gas was detected in the spectrum of J1030 dating it to the period when the first stars and quasars formed (Fan et al, 2001; Becker et al, 2001; and Jordi Miralda - Escude, 1997).
When Jean - Pierre Sauvage started his own research lab, he focused on developing copper catalysts that could absorb light and use that energy to split water into hydrogen and oxygen gases.
When a sufficient amount of dark matter has gathered, it attracts ordinary matter (mostly hydrogen and helium gas) to form stars that may eventually form a luminous galaxy at the core.
When their interiors cool off, the hydrogen gas contracts and the planets shrink.
When you do experience gas after a particularly decadent meal, activated charcoal can adsorb hydrogen sulfide, the compound responsible for that embarrassing rotten - egg smell.
When they produce hydrogen, this can lead to flatulence (gas), bloating, stomach cramps, pain and constipation.
But when you «carb load» on the breads, beans and peas it will make you full, but your body will produce gases including carbon dioxide, hydrogen and potentially methane.
When it comes to odorous gas — there may be a number of issues beyond and / or caused by SIBO — malabsorption of fat, protein, hydrogen sulfide production via fermentation — Be sure you are working with a gastroenterologist that is willing to explore other causes along w / perhaps another SIBO test for your ongoing symptoms.
The smell is caused by a gas called hydrogen sulphide usually contained in sulfur proteins found in some foods and is released when they are broken down by sulfur reducing microbes in the stomach or small intestine.
And when those bacteria eat that lactulose solution, they spit off Methane of Hydrogen gases, depending on wha — what bacteria they are.
When bacteria digest food, they give off Hydrogen and Methane gasses.
Hydrogen gas is released when the battery is charging due to a process called electrolysis in which water decomposes into its constituent hydrogen (H) and oxygen (O) in the presence of a voltage that is greater than the decomposition voltage equiHydrogen gas is released when the battery is charging due to a process called electrolysis in which water decomposes into its constituent hydrogen (H) and oxygen (O) in the presence of a voltage that is greater than the decomposition voltage equihydrogen (H) and oxygen (O) in the presence of a voltage that is greater than the decomposition voltage equilibrium.
That's before you get into the environmental vagaries of hydrogen production, which tends to be either energy - intensive itself (when extracted through electrolysis) or is gathered during the extraction of fossil fuels or natural gas.
when it comes to the question of why people are not getting worked up about the issue of Chinese drywall emitting hydrogen sulfide gas.
Most importantly, he says, «FCVs aren't green» because of escaping methane during natural gas extraction and when hydrogen is produced, as 95 % of it is, using the steam reforming process.
Hydrogen, produced from electricity when it isn't needed on the grid, which can be used to power a gas turbine to generate electricity
«The large amount of energy required to isolate hydrogen from natural compounds (water, natural gas, biomass), package the light gas by compression or liquefaction, transfer the energy carrier to the user, plus the energy lost when it is converted to useful electricity with fuel cells, leaves around 25 % for practical use.»
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